5782 lines
184 KiB
C++
5782 lines
184 KiB
C++
#include "InterCodeGenerator.h"
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#include "Constexpr.h"
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InterCodeGenerator::InterCodeGenerator(Errors* errors, Linker* linker)
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: mErrors(errors), mLinker(linker), mCompilerOptions(COPT_DEFAULT)
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{
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}
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InterCodeGenerator::~InterCodeGenerator(void)
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{
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}
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static inline InterType InterTypeOf(const Declaration* dec)
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{
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switch (dec->mType)
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{
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default:
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case DT_TYPE_VOID:
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return IT_NONE;
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case DT_TYPE_INTEGER:
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case DT_TYPE_ENUM:
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if (dec->mSize == 1)
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return IT_INT8;
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else if (dec->mSize == 2)
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return IT_INT16;
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else
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return IT_INT32;
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case DT_TYPE_BOOL:
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return IT_BOOL;
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case DT_TYPE_FLOAT:
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return IT_FLOAT;
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case DT_TYPE_POINTER:
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case DT_TYPE_FUNCTION:
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case DT_TYPE_ARRAY:
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case DT_TYPE_REFERENCE:
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case DT_TYPE_RVALUEREF:
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return IT_POINTER;
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}
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}
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InterCodeGenerator::ExValue InterCodeGenerator::ToValue(InterCodeProcedure* proc, Expression* exp, InterCodeBasicBlock*& block, InlineMapper* inlineMapper, ExValue v)
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{
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if (v.mType && v.mType->IsReference())
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{
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v.mType = v.mType->mBase;
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v.mReference++;
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}
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return v;
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}
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InterCodeGenerator::ExValue InterCodeGenerator::Dereference(InterCodeProcedure* proc, Expression* exp, InterCodeBasicBlock*& block, InlineMapper* inlineMapper, ExValue v, int level)
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{
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while (v.mReference > level)
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{
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InterInstruction * ins = new InterInstruction(MapLocation(exp, inlineMapper), IC_LOAD);
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ins->mSrc[0].mMemory = IM_INDIRECT;
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ins->mSrc[0].mType = IT_POINTER;
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ins->mSrc[0].mTemp = v.mTemp;
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ins->mDst.mType = v.mReference == 1 ? InterTypeOf(v.mType) : IT_POINTER;
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if (ins->mDst.mType == IT_NONE)
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{
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mErrors->Error(exp->mLocation, EERR_INVALID_VALUE, "Not a simple type");
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return v;
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}
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ins->mDst.mTemp = proc->AddTemporary(ins->mDst.mType);
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ins->mSrc[0].mOperandSize = v.mReference == 1 ? v.mType->mSize : 2;
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ins->mSrc[0].mStride = v.mReference == 1 ? v.mType->mStripe : 1;
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if (v.mReference == 1 && v.mType->mType == DT_TYPE_ENUM)
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{
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ins->mDst.mRange.LimitMin(v.mType->mMinValue);
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ins->mDst.mRange.LimitMax(v.mType->mMaxValue);
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}
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if (v.mType->mFlags & DTF_VOLATILE)
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ins->mVolatile = true;
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block->Append(ins);
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if (v.mReference == 1 && v.mBits)
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{
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if (v.mBits + v.mShift <= 8)
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ins->mDst.mType = IT_INT8;
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else if (v.mBits + v.mShift <= 16)
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ins->mDst.mType = IT_INT16;
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else
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ins->mDst.mType = IT_INT32;
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ins->mSrc[0].mOperandSize = InterTypeSize[ins->mDst.mType];
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int nbits = ins->mSrc[0].mOperandSize * 8;
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InterInstruction* clsins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
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clsins->mDst.mType = IT_INT8;
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clsins->mDst.mTemp = proc->AddTemporary(clsins->mDst.mType);
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clsins->mConst.mType = IT_INT8;
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clsins->mConst.mIntConst = nbits - v.mShift - v.mBits;
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clsins->mNumOperands = 0;
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block->Append(clsins);
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InterInstruction* crsins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
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crsins->mDst.mType = IT_INT8;
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crsins->mDst.mTemp = proc->AddTemporary(crsins->mDst.mType);
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crsins->mConst.mType = IT_INT8;
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crsins->mConst.mIntConst = nbits - v.mBits;
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crsins->mNumOperands = 0;
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block->Append(crsins);
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InterInstruction* slins = new InterInstruction(MapLocation(exp, inlineMapper), IC_BINARY_OPERATOR);
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slins->mOperator = IA_SHL;
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slins->mDst.mType = ins->mDst.mType;
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slins->mDst.mTemp = proc->AddTemporary(slins->mDst.mType);
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slins->mSrc[1] = ins->mDst;
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slins->mSrc[0] = clsins->mDst;
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slins->mNumOperands = 2;
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block->Append(slins);
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InterInstruction* srins = new InterInstruction(MapLocation(exp, inlineMapper), IC_BINARY_OPERATOR);
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srins->mOperator = (v.mType->mFlags & DTF_SIGNED) ? IA_SAR : IA_SHR;
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srins->mDst.mType = ins->mDst.mType;
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srins->mDst.mTemp = proc->AddTemporary(slins->mDst.mType);
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srins->mSrc[1] = slins->mDst;
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srins->mSrc[0] = crsins->mDst;
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srins->mNumOperands = 2;
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block->Append(srins);
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if (InterTypeSize[ins->mDst.mType] < v.mType->mSize)
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{
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InterInstruction* crins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONVERSION_OPERATOR);
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crins->mDst.mType = InterTypeOf(v.mType);
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crins->mDst.mTemp = proc->AddTemporary(crins->mDst.mType);
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crins->mSrc[0] = srins->mDst;
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crins->mNumOperands = 1;
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if (ins->mDst.mType == IT_INT16)
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crins->mOperator = (v.mType->mFlags & DTF_SIGNED) ? IA_EXT16TO32S : IA_EXT16TO32U;
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else if (v.mType->mSize == 2)
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crins->mOperator = (v.mType->mFlags & DTF_SIGNED) ? IA_EXT8TO16S : IA_EXT8TO16U;
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else
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crins->mOperator = (v.mType->mFlags & DTF_SIGNED) ? IA_EXT8TO32S : IA_EXT8TO32U;
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block->Append(crins);
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v = ExValue(v.mType, crins->mDst.mTemp, v.mReference - 1);
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}
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else
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v = ExValue(v.mType, srins->mDst.mTemp, v.mReference - 1);
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}
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else
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v = ExValue(v.mType, ins->mDst.mTemp, v.mReference - 1, v.mBits, v.mShift);
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}
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return v;
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}
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void InterCodeGenerator::StoreValue(InterCodeProcedure* proc, Expression* exp, InterCodeBasicBlock*& block, InlineMapper* inlineMapper, ExValue vl, ExValue vr)
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{
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// Bitfield assignment
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if (vl.mBits)
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{
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InterType itype;
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if (vl.mBits + vl.mShift <= 8)
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itype = IT_INT8;
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else if (vl.mBits + vl.mShift <= 16)
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itype = IT_INT16;
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else
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itype = IT_INT32;
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int nbits = InterTypeSize[itype] * 8;
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InterInstruction* lins = new InterInstruction(MapLocation(exp, inlineMapper), IC_LOAD);
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lins->mDst.mType = itype;
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lins->mDst.mTemp = proc->AddTemporary(lins->mDst.mType);
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lins->mSrc[0].mMemory = IM_INDIRECT;
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lins->mSrc[0].mType = IT_POINTER;
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lins->mSrc[0].mTemp = vl.mTemp;
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lins->mSrc[0].mOperandSize = InterTypeSize[itype];
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lins->mVolatile = vl.mType->mFlags & DTF_VOLATILE;
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lins->mNumOperands = 1;
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block->Append(lins);
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InterInstruction* csins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
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csins->mDst.mType = IT_INT8;
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csins->mDst.mTemp = proc->AddTemporary(csins->mDst.mType);
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csins->mConst.mType = IT_INT8;
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csins->mConst.mIntConst = vl.mShift;
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csins->mNumOperands = 0;
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block->Append(csins);
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InterInstruction* cmsins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
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cmsins->mDst.mType = itype;
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cmsins->mDst.mTemp = proc->AddTemporary(cmsins->mDst.mType);
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cmsins->mConst.mType = itype;
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cmsins->mConst.mIntConst = ((1 << vl.mBits) - 1) << vl.mShift;
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cmsins->mNumOperands = 0;
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block->Append(cmsins);
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InterInstruction* cmlins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
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cmlins->mDst.mType = itype;
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cmlins->mDst.mTemp = proc->AddTemporary(cmlins->mDst.mType);
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cmlins->mConst.mType = itype;
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cmlins->mConst.mIntConst = ~cmsins->mConst.mIntConst;
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cmlins->mNumOperands = 0;
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block->Append(cmlins);
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int rtemp = vr.mTemp;
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if (InterTypeSize[itype] > vr.mType->mSize)
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{
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InterInstruction* cins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONVERSION_OPERATOR);
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if (InterTypeSize[itype] == 2)
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cins->mOperator = IA_EXT8TO16U;
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else if (vr.mType->mSize == 1)
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cins->mOperator = IA_EXT8TO32U;
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else
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cins->mOperator = IA_EXT8TO16U;
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cins->mDst.mType = itype;
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cins->mDst.mTemp = proc->AddTemporary(itype);
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cins->mSrc[0].mTemp = rtemp;
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cins->mSrc[0].mType = InterTypeOf(vr.mType);
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block->Append(cins);
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rtemp = cins->mDst.mTemp;
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}
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InterInstruction* sins = new InterInstruction(MapLocation(exp, inlineMapper), IC_BINARY_OPERATOR);
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sins->mOperator = IA_SHL;
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sins->mDst.mType = itype;
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sins->mDst.mTemp = proc->AddTemporary(sins->mDst.mType);
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sins->mSrc[1].mTemp = rtemp;
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sins->mSrc[1].mType = itype;
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sins->mSrc[0] = csins->mDst;
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sins->mNumOperands = 2;
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block->Append(sins);
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InterInstruction* msins = new InterInstruction(MapLocation(exp, inlineMapper), IC_BINARY_OPERATOR);
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msins->mOperator = IA_AND;
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msins->mDst.mType = itype;
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msins->mDst.mTemp = proc->AddTemporary(msins->mDst.mType);
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msins->mSrc[0] = sins->mDst;
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msins->mSrc[1] = cmsins->mDst;
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msins->mNumOperands = 2;
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block->Append(msins);
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InterInstruction* mlins = new InterInstruction(MapLocation(exp, inlineMapper), IC_BINARY_OPERATOR);
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mlins->mOperator = IA_AND;
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mlins->mDst.mType = itype;
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mlins->mDst.mTemp = proc->AddTemporary(mlins->mDst.mType);
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mlins->mSrc[0] = lins->mDst;
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mlins->mSrc[1] = cmlins->mDst;
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mlins->mNumOperands = 2;
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block->Append(mlins);
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InterInstruction* oins = new InterInstruction(MapLocation(exp, inlineMapper), IC_BINARY_OPERATOR);
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oins->mOperator = IA_OR;
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oins->mDst.mType = itype;
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oins->mDst.mTemp = proc->AddTemporary(oins->mDst.mType);
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oins->mSrc[0] = msins->mDst;
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oins->mSrc[1] = mlins->mDst;
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oins->mNumOperands = 2;
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block->Append(oins);
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InterInstruction* ins = new InterInstruction(MapLocation(exp, inlineMapper), IC_STORE);
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ins->mSrc[1].mMemory = IM_INDIRECT;
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ins->mSrc[0] = oins->mDst;
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ins->mSrc[1].mType = IT_POINTER;
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ins->mSrc[1].mTemp = vl.mTemp;
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ins->mSrc[1].mOperandSize = InterTypeSize[itype];
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ins->mVolatile = vl.mType->mFlags & DTF_VOLATILE;
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ins->mNumOperands = 2;
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block->Append(ins);
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}
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else
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{
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InterInstruction* ins = new InterInstruction(MapLocation(exp, inlineMapper), IC_STORE);
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ins->mSrc[1].mMemory = IM_INDIRECT;
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ins->mSrc[0].mType = InterTypeOf(vr.mType);
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ins->mSrc[0].mTemp = vr.mTemp;
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ins->mSrc[1].mType = IT_POINTER;
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ins->mSrc[1].mTemp = vl.mTemp;
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ins->mSrc[1].mOperandSize = vl.mType->mSize;
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ins->mSrc[1].mStride = vl.mType->mStripe;
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ins->mVolatile = vl.mType->mFlags & DTF_VOLATILE;
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ins->mNumOperands = 2;
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block->Append(ins);
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}
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}
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InterCodeGenerator::ExValue InterCodeGenerator::CoerceType(InterCodeProcedure* proc, Expression* exp, InterCodeBasicBlock*& block, InlineMapper* inlineMapper, ExValue v, Declaration* type, bool checkTrunc)
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{
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int stemp = v.mTemp;
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if (type->IsReference())
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{
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if (v.mType->IsReference())
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{
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if (!type->mBase->IsSubType(v.mType->mBase))
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mErrors->Error(exp->mLocation, EERR_INCOMPATIBLE_TYPES, "Incompatible type for reference");
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}
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else if (!type->mBase->IsSubType(v.mType))
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mErrors->Error(exp->mLocation, EERR_INCOMPATIBLE_TYPES, "Incompatible type for reference");
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return v;
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}
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else if (type->mType == DT_TYPE_STRUCT && type->mBase && type->mBase->IsSubType(v.mType))
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{
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v.mType = type;
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return v;
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}
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if (v.mType->IsReference() && type->IsSimpleType())
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{
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v.mReference++;
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v.mType = v.mType->mBase;
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v = Dereference(proc, exp, block, inlineMapper, v);
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}
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if (v.mType->IsIntegerType() && type->mType == DT_TYPE_FLOAT)
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{
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if (v.mType->mSize == 1)
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{
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if (v.mType->mFlags & DTF_SIGNED)
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{
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InterInstruction * xins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONVERSION_OPERATOR);
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xins->mOperator = IA_EXT8TO16S;
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xins->mSrc[0].mType = IT_INT8;
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xins->mSrc[0].mTemp = stemp;
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xins->mDst.mType = IT_INT16;
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xins->mDst.mTemp = proc->AddTemporary(IT_INT16);
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block->Append(xins);
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stemp = xins->mDst.mTemp;
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}
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else
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{
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InterInstruction * xins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONVERSION_OPERATOR);
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xins->mOperator = IA_EXT8TO16U;
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xins->mSrc[0].mType = IT_INT8;
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xins->mSrc[0].mTemp = stemp;
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xins->mDst.mType = IT_INT16;
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xins->mDst.mTemp = proc->AddTemporary(IT_INT16);
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block->Append(xins);
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stemp = xins->mDst.mTemp;
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}
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}
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InterInstruction * cins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONVERSION_OPERATOR);
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cins->mOperator = (v.mType->mFlags & DTF_SIGNED) ? IA_INT2FLOAT : IA_UINT2FLOAT;
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cins->mSrc[0].mType = IT_INT16;
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cins->mSrc[0].mTemp = stemp;
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cins->mDst.mType = IT_FLOAT;
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cins->mDst.mTemp = proc->AddTemporary(IT_FLOAT);
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block->Append(cins);
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v.mTemp = cins->mDst.mTemp;
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v.mType = type;
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}
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else if (v.mType->mType == DT_TYPE_FLOAT && type->IsIntegerType())
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{
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mErrors->Error(exp->mLocation, EWARN_FLOAT_TO_INT, "Float to int conversion, potential loss of precision");
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InterInstruction * cins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONVERSION_OPERATOR);
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cins->mOperator = IA_FLOAT2INT;
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cins->mSrc[0].mType = IT_FLOAT;
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cins->mSrc[0].mTemp = v.mTemp;
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cins->mDst.mType = IT_INT16;
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cins->mDst.mTemp = proc->AddTemporary(IT_INT16);
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block->Append(cins);
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v.mTemp = cins->mDst.mTemp;
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v.mType = type;
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}
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else if (type->mType == DT_TYPE_POINTER && v.mType->mType == DT_TYPE_ARRAY)
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{
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v.mType = type;
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return v;
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}
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else if (type->mType == DT_TYPE_POINTER && v.mType->IsNumericType() && (mCompilerOptions & COPT_CPLUSPLUS))
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{
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mErrors->Error(exp->mLocation, EERR_INCOMPATIBLE_TYPES, "Cannot assign numeric value to pointer");
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}
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else if( type->mType == DT_TYPE_BOOL && v.mType->mType == DT_TYPE_POINTER)
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{
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InterInstruction* zins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
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zins->mDst.mType = IT_POINTER;
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zins->mDst.mTemp = proc->AddTemporary(IT_POINTER);
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zins->mConst.mType = IT_POINTER;
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zins->mConst.mMemory = IM_ABSOLUTE;
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zins->mConst.mIntConst = 0;
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block->Append(zins);
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InterInstruction* cins = new InterInstruction(MapLocation(exp, inlineMapper), IC_RELATIONAL_OPERATOR);
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cins->mOperator = IA_CMPNE;
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cins->mSrc[0].mType = IT_POINTER;
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cins->mSrc[0].mTemp = v.mTemp;
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cins->mSrc[1].mType = IT_POINTER;
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cins->mSrc[1].mTemp = zins->mDst.mTemp;
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cins->mDst.mType = IT_BOOL;
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cins->mDst.mTemp = proc->AddTemporary(IT_BOOL);
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block->Append(cins);
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v.mTemp = cins->mDst.mTemp;
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v.mType = type;
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}
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else if (v.mType->mSize < type->mSize)
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{
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if (v.mType->mSize == 1 && type->mSize == 2)
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{
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if (v.mType->mFlags & DTF_SIGNED)
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{
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InterInstruction * xins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONVERSION_OPERATOR);
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xins->mOperator = IA_EXT8TO16S;
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|
xins->mSrc[0].mType = IT_INT8;
|
|
xins->mSrc[0].mTemp = stemp;
|
|
xins->mDst.mType = IT_INT16;
|
|
xins->mDst.mTemp = proc->AddTemporary(IT_INT16);
|
|
block->Append(xins);
|
|
stemp = xins->mDst.mTemp;
|
|
}
|
|
else
|
|
{
|
|
InterInstruction * xins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONVERSION_OPERATOR);
|
|
xins->mOperator = IA_EXT8TO16U;
|
|
xins->mSrc[0].mType = IT_INT8;
|
|
xins->mSrc[0].mTemp = stemp;
|
|
xins->mDst.mType = IT_INT16;
|
|
xins->mDst.mTemp = proc->AddTemporary(IT_INT16);
|
|
block->Append(xins);
|
|
stemp = xins->mDst.mTemp;
|
|
}
|
|
}
|
|
else if (v.mType->mSize == 2 && type->mSize == 4)
|
|
{
|
|
if (v.mType->mFlags & DTF_SIGNED)
|
|
{
|
|
InterInstruction* xins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONVERSION_OPERATOR);
|
|
xins->mOperator = IA_EXT16TO32S;
|
|
xins->mSrc[0].mType = IT_INT16;
|
|
xins->mSrc[0].mTemp = stemp;
|
|
xins->mDst.mType = IT_INT32;
|
|
xins->mDst.mTemp = proc->AddTemporary(IT_INT32);
|
|
block->Append(xins);
|
|
stemp = xins->mDst.mTemp;
|
|
}
|
|
else
|
|
{
|
|
InterInstruction* xins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONVERSION_OPERATOR);
|
|
xins->mOperator = IA_EXT16TO32U;
|
|
xins->mSrc[0].mType = IT_INT16;
|
|
xins->mSrc[0].mTemp = stemp;
|
|
xins->mDst.mType = IT_INT32;
|
|
xins->mDst.mTemp = proc->AddTemporary(IT_INT32);
|
|
block->Append(xins);
|
|
stemp = xins->mDst.mTemp;
|
|
}
|
|
}
|
|
else if (v.mType->mSize == 1 && type->mSize == 4)
|
|
{
|
|
if (v.mType->mFlags & DTF_SIGNED)
|
|
{
|
|
InterInstruction* xins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONVERSION_OPERATOR);
|
|
xins->mOperator = IA_EXT8TO32S;
|
|
xins->mSrc[0].mType = IT_INT8;
|
|
xins->mSrc[0].mTemp = stemp;
|
|
xins->mDst.mType = IT_INT32;
|
|
xins->mDst.mTemp = proc->AddTemporary(IT_INT32);
|
|
block->Append(xins);
|
|
stemp = xins->mDst.mTemp;
|
|
}
|
|
else
|
|
{
|
|
InterInstruction* xins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONVERSION_OPERATOR);
|
|
xins->mOperator = IA_EXT8TO32U;
|
|
xins->mSrc[0].mType = IT_INT8;
|
|
xins->mSrc[0].mTemp = stemp;
|
|
xins->mDst.mType = IT_INT32;
|
|
xins->mDst.mTemp = proc->AddTemporary(IT_INT32);
|
|
block->Append(xins);
|
|
stemp = xins->mDst.mTemp;
|
|
}
|
|
}
|
|
|
|
v.mTemp = stemp;
|
|
v.mType = type;
|
|
}
|
|
else
|
|
{
|
|
// ignore size reduction
|
|
if (checkTrunc && v.mType->mSize > type->mSize)
|
|
{
|
|
const InterInstruction* ins = block->FindByDst(stemp);
|
|
if (ins && ins->mCode == IC_CONSTANT)
|
|
{
|
|
int64 min = 0, max = 0;
|
|
|
|
if (type->mFlags & DTF_SIGNED)
|
|
{
|
|
switch (type->mSize)
|
|
{
|
|
case 1:
|
|
min = -128; max = 127;
|
|
break;
|
|
case 2:
|
|
min = -32768; max = 32767;
|
|
break;
|
|
case 4:
|
|
min = -2147483648LL; max = 2147483647LL;
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
switch (type->mSize)
|
|
{
|
|
case 1:
|
|
max = 255;
|
|
break;
|
|
case 2:
|
|
max = 65535;
|
|
break;
|
|
case 4:
|
|
max = 429467295LL;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (ins->mConst.mIntConst < min || ins->mConst.mIntConst > max)
|
|
{
|
|
mErrors->Error(exp->mLocation, EWARN_CONSTANT_TRUNCATED, "Integer constant truncated");
|
|
}
|
|
}
|
|
}
|
|
v.mType = type;
|
|
}
|
|
|
|
return v;
|
|
}
|
|
|
|
static inline bool InterTypeTypeInteger(InterType t)
|
|
{
|
|
return t == IT_INT8 || t == IT_INT16 || t == IT_INT32 || t == IT_BOOL;
|
|
}
|
|
|
|
static inline InterType InterTypeOfArithmetic(InterType t1, InterType t2)
|
|
{
|
|
if (t1 == IT_FLOAT || t2 == IT_FLOAT)
|
|
return IT_FLOAT;
|
|
else if (InterTypeTypeInteger(t1) && InterTypeTypeInteger(t2))
|
|
return t1 > t2 ? t1 : t2;
|
|
else if (t1 == IT_POINTER && t2 == IT_POINTER)
|
|
return IT_INT16;
|
|
else if (t1 == IT_POINTER || t2 == IT_POINTER)
|
|
return IT_POINTER;
|
|
else
|
|
return IT_INT16;
|
|
}
|
|
|
|
void InterCodeGenerator::InitParameter(InterCodeProcedure* proc, Declaration* dec, int index)
|
|
{
|
|
if (!proc->mParamVars[index])
|
|
{
|
|
proc->mParamVars[index] = new InterVariable();
|
|
proc->mParamVars[index]->mIdent = dec->mIdent;
|
|
proc->mParamVars[index]->mDeclaration = dec;
|
|
}
|
|
}
|
|
|
|
void InterCodeGenerator::InitLocalVariable(InterCodeProcedure* proc, Declaration* dec, int index)
|
|
{
|
|
if (!proc->mLocalVars[index])
|
|
{
|
|
proc->mLocalVars[index] = new InterVariable();
|
|
proc->mLocalVars[index]->mIdent = dec->mIdent;
|
|
proc->mLocalVars[index]->mDeclaration = dec;
|
|
}
|
|
else
|
|
{
|
|
assert(proc->mLocalVars[index]->mIdent == dec->mIdent);
|
|
assert(proc->mLocalVars[index]->mDeclaration == dec);
|
|
}
|
|
}
|
|
|
|
static const Ident* StructIdent(const Ident* base, const Ident* item)
|
|
{
|
|
if (base)
|
|
{
|
|
char buffer[200];
|
|
strcpy_s(buffer, base->mString);
|
|
strcat_s(buffer, ".");
|
|
strcat_s(buffer, item->mString);
|
|
return Ident::Unique(buffer);
|
|
}
|
|
else
|
|
return item;
|
|
}
|
|
|
|
static void AddGlobalVariableRanges(LinkerObject* lo, Declaration* dec, int offset, const Ident* ident)
|
|
{
|
|
switch (dec->mType)
|
|
{
|
|
case DT_TYPE_STRUCT:
|
|
{
|
|
Declaration* deci = dec->mParams;
|
|
while (deci)
|
|
{
|
|
AddGlobalVariableRanges(lo, deci->mBase, offset + deci->mOffset, StructIdent(ident, deci->mIdent));
|
|
deci = deci->mNext;
|
|
}
|
|
} break;
|
|
case DT_TYPE_INTEGER:
|
|
case DT_TYPE_FLOAT:
|
|
case DT_TYPE_POINTER:
|
|
case DT_TYPE_BOOL:
|
|
case DT_TYPE_ENUM:
|
|
{
|
|
LinkerObjectRange range;
|
|
range.mOffset = offset;
|
|
range.mSize = dec->mStripe;
|
|
switch (dec->mSize)
|
|
{
|
|
case 1:
|
|
range.mIdent = ident;
|
|
lo->mRanges.Push(range);
|
|
break;
|
|
case 2:
|
|
range.mIdent = StructIdent(ident, Ident::Unique("lo"));
|
|
lo->mRanges.Push(range);
|
|
range.mOffset += dec->mStripe;
|
|
range.mIdent = StructIdent(ident, Ident::Unique("hi"));
|
|
lo->mRanges.Push(range);
|
|
break;
|
|
case 4:
|
|
range.mIdent = StructIdent(ident, Ident::Unique("b0"));
|
|
lo->mRanges.Push(range);
|
|
range.mOffset += dec->mStripe;
|
|
range.mIdent = StructIdent(ident, Ident::Unique("b1"));
|
|
lo->mRanges.Push(range);
|
|
range.mOffset += dec->mStripe;
|
|
range.mIdent = StructIdent(ident, Ident::Unique("b2"));
|
|
lo->mRanges.Push(range);
|
|
range.mOffset += dec->mStripe;
|
|
range.mIdent = StructIdent(ident, Ident::Unique("b3"));
|
|
lo->mRanges.Push(range);
|
|
break;
|
|
}
|
|
} break;
|
|
|
|
default:
|
|
if (ident)
|
|
{
|
|
LinkerObjectRange range;
|
|
range.mIdent = ident;
|
|
range.mOffset = offset;
|
|
range.mSize = dec->mSize * dec->mStripe;
|
|
lo->mRanges.Push(range);
|
|
}
|
|
}
|
|
}
|
|
|
|
void InterCodeGenerator::InitGlobalVariable(InterCodeModule * mod, Declaration* dec)
|
|
{
|
|
if (!dec->mLinkerObject)
|
|
{
|
|
InterVariable * var = new InterVariable();
|
|
var->mOffset = 0;
|
|
var->mSize = dec->mSize;
|
|
var->mLinkerObject = mLinker->AddObject(dec->mLocation, dec->mQualIdent, dec->mSection, LOT_DATA, dec->mAlignment);
|
|
var->mLinkerObject->mVariable = var;
|
|
var->mIdent = dec->mQualIdent;
|
|
|
|
Declaration* decb = dec->mBase;
|
|
while (decb && decb->mType == DT_TYPE_ARRAY)
|
|
decb = decb->mBase;
|
|
|
|
if (decb && decb->mStripe != 1)
|
|
AddGlobalVariableRanges(var->mLinkerObject, decb, 0, nullptr);
|
|
|
|
Declaration* type = dec->mBase;
|
|
while (type->mType == DT_TYPE_ARRAY)
|
|
type = type->mBase;
|
|
if (type->mFlags & DTF_CONST)
|
|
var->mLinkerObject->mFlags |= LOBJF_CONST;
|
|
if (dec->mFlags & DTF_ZEROPAGE)
|
|
var->mLinkerObject->mFlags |= LOBJF_ZEROPAGE;
|
|
|
|
var->mIndex = mod->mGlobalVars.Size();
|
|
var->mDeclaration = dec;
|
|
mod->mGlobalVars.Push(var);
|
|
|
|
if ((dec->mFlags & DTF_VAR_ALIASING) || (dec->mBase->mType == DT_TYPE_ARRAY && !(type->mFlags & DTF_CONST)))
|
|
var->mAliased = true;
|
|
|
|
dec->mVarIndex = var->mIndex;
|
|
dec->mLinkerObject = var->mLinkerObject;
|
|
|
|
if (dec->mFlags & DTF_SECTION_START)
|
|
dec->mLinkerObject->mType = LOT_SECTION_START;
|
|
else if (dec->mFlags & DTF_SECTION_END)
|
|
dec->mLinkerObject->mType = LOT_SECTION_END;
|
|
else if (dec->mFlags & DTF_BANK_INLAY)
|
|
{
|
|
dec->mLinkerObject->mType = LOT_INLAY;
|
|
dec->mInlayRegion->mInlayObject = dec->mLinkerObject;
|
|
}
|
|
|
|
uint8* d = var->mLinkerObject->AddSpace(var->mSize);
|
|
if (dec->mValue)
|
|
{
|
|
if (dec->mValue->mType == EX_CONSTANT)
|
|
{
|
|
if (dec->mBase->CanAssign(dec->mValue->mDecType))
|
|
BuildInitializer(mod, d, 0, dec->mValue->mDecValue, var);
|
|
else
|
|
mErrors->Error(dec->mLocation, EERR_INCOMPATIBLE_TYPES, "Incompatible constant initializer");
|
|
}
|
|
else if (dec->mValue->mType == EX_CONSTRUCT)
|
|
{
|
|
DestructStack* destack = nullptr;
|
|
GotoNode* gotos = nullptr;
|
|
dec->mValue->mRight->mDecValue = dec;
|
|
dec->mLinkerObject->mFlags &= ~LOBJF_CONST;
|
|
TranslateExpression(nullptr, mMainInitProc, mMainInitBlock, dec->mValue, destack, gotos, BranchTarget(), BranchTarget(), nullptr);
|
|
}
|
|
else if (dec->mValue->mType == EX_VARIABLE && dec->mValue->mDecType->mType == DT_TYPE_ARRAY && dec->mBase->mType == DT_TYPE_POINTER && dec->mBase->CanAssign(dec->mValue->mDecType))
|
|
{
|
|
Declaration* ndec = new Declaration(dec->mValue->mLocation, DT_CONST_POINTER);
|
|
ndec->mValue = dec->mValue;
|
|
ndec->mBase = dec->mValue->mDecType;
|
|
|
|
BuildInitializer(mod, d, 0, ndec, var);
|
|
}
|
|
else
|
|
mErrors->Error(dec->mLocation, EERR_CONSTANT_INITIALIZER, "Non constant initializer");
|
|
}
|
|
}
|
|
}
|
|
|
|
void InterCodeGenerator::TranslateAssembler(InterCodeModule* mod, Expression* exp, GrowingArray<Declaration*> * refvars)
|
|
{
|
|
int offset = 0, osize = 0;
|
|
Expression* cexp = exp;
|
|
while (cexp)
|
|
{
|
|
osize += AsmInsSize(cexp->mAsmInsType, cexp->mAsmInsMode);
|
|
cexp = cexp->mRight;
|
|
}
|
|
|
|
Declaration* dec = exp->mDecValue;
|
|
|
|
dec->mLinkerObject = mLinker->AddObject(dec->mLocation, dec->mQualIdent, dec->mSection, LOT_NATIVE_CODE, dec->mAlignment);
|
|
|
|
uint8* d = dec->mLinkerObject->AddSpace(osize);
|
|
|
|
GrowingArray<Declaration*> refVars(nullptr);
|
|
|
|
cexp = exp;
|
|
while (cexp)
|
|
{
|
|
if (cexp->mAsmInsType != ASMIT_BYTE)
|
|
{
|
|
int opcode = AsmInsOpcodes[cexp->mAsmInsType][cexp->mAsmInsMode];
|
|
d[offset++] = opcode;
|
|
}
|
|
|
|
Declaration* aexp = nullptr;
|
|
if (cexp->mLeft)
|
|
aexp = cexp->mLeft->mDecValue;
|
|
|
|
switch (cexp->mAsmInsMode)
|
|
{
|
|
case ASMIM_IMPLIED:
|
|
break;
|
|
case ASMIM_IMMEDIATE:
|
|
if (!aexp)
|
|
mErrors->Error(cexp->mLocation, EERR_ASM_INVALD_OPERAND, "Missing assembler operand");
|
|
else if (aexp->mType == DT_CONST_INTEGER)
|
|
d[offset] = cexp->mLeft->mDecValue->mInteger & 255;
|
|
else if (aexp->mType == DT_LABEL_REF)
|
|
{
|
|
if (aexp->mBase->mBase)
|
|
{
|
|
if (!aexp->mBase->mBase->mLinkerObject)
|
|
TranslateAssembler(mod, aexp->mBase->mBase->mValue, nullptr);
|
|
|
|
LinkerReference ref;
|
|
ref.mObject = dec->mLinkerObject;
|
|
ref.mOffset = offset;
|
|
if (aexp->mFlags & DTF_UPPER_BYTE)
|
|
ref.mFlags = LREF_HIGHBYTE;
|
|
else
|
|
ref.mFlags = LREF_LOWBYTE;
|
|
ref.mRefObject = aexp->mBase->mBase->mLinkerObject;
|
|
ref.mRefOffset = aexp->mOffset + int(aexp->mBase->mInteger);
|
|
ref.mRefObject->mFlags |= LOBJF_RELEVANT;
|
|
dec->mLinkerObject->AddReference(ref);
|
|
}
|
|
else
|
|
mErrors->Error(aexp->mLocation, EERR_ASM_INVALD_OPERAND, "Undefined immediate operand", aexp->mBase->mQualIdent);
|
|
}
|
|
else if (aexp->mType == DT_VARIABLE_REF)
|
|
{
|
|
if (aexp->mBase->mFlags & DTF_GLOBAL)
|
|
{
|
|
InitGlobalVariable(mod, aexp->mBase);
|
|
|
|
LinkerReference ref;
|
|
ref.mObject = dec->mLinkerObject;
|
|
ref.mOffset = offset;
|
|
if (aexp->mFlags & DTF_UPPER_BYTE)
|
|
ref.mFlags = LREF_HIGHBYTE;
|
|
else
|
|
ref.mFlags = LREF_LOWBYTE;
|
|
ref.mRefObject = aexp->mBase->mLinkerObject;
|
|
ref.mRefOffset = aexp->mOffset;
|
|
ref.mRefObject->mFlags |= LOBJF_RELEVANT;
|
|
dec->mLinkerObject->AddReference(ref);
|
|
}
|
|
else
|
|
mErrors->Error(aexp->mLocation, EERR_ASM_INVALD_OPERAND, "Invalid immediate operand");
|
|
}
|
|
else if (aexp->mType == DT_ARGUMENT || aexp->mType == DT_VARIABLE)
|
|
{
|
|
if (aexp->mFlags & DTF_GLOBAL)
|
|
{
|
|
InitGlobalVariable(mod, aexp);
|
|
|
|
LinkerReference ref;
|
|
ref.mObject = dec->mLinkerObject;
|
|
ref.mOffset = offset;
|
|
ref.mFlags = LREF_LOWBYTE;
|
|
ref.mRefObject = aexp->mLinkerObject;
|
|
ref.mRefOffset = 0;
|
|
ref.mRefObject->mFlags |= LOBJF_RELEVANT;
|
|
dec->mLinkerObject->AddReference(ref);
|
|
}
|
|
else if (refvars)
|
|
{
|
|
int j = 0;
|
|
while (j < refvars->Size() && (*refvars)[j] != aexp)
|
|
j++;
|
|
if (j == refvars->Size())
|
|
refvars->Push(aexp);
|
|
|
|
LinkerReference ref;
|
|
ref.mObject = dec->mLinkerObject;
|
|
ref.mOffset = offset;
|
|
ref.mFlags = LREF_TEMPORARY;
|
|
ref.mRefObject = dec->mLinkerObject;
|
|
ref.mRefOffset = j;
|
|
ref.mRefObject->mFlags |= LOBJF_RELEVANT;
|
|
dec->mLinkerObject->AddReference(ref);
|
|
|
|
d[offset] = 0;
|
|
}
|
|
else
|
|
mErrors->Error(aexp->mLocation, EERR_ASM_INVALD_OPERAND, "Local variable outside scope");
|
|
}
|
|
else if (aexp->mType == DT_FUNCTION_REF)
|
|
{
|
|
if (!aexp->mBase->mLinkerObject)
|
|
{
|
|
InterCodeProcedure* cproc = this->TranslateProcedure(mod, aexp->mBase->mValue, aexp->mBase);
|
|
}
|
|
|
|
LinkerReference ref;
|
|
ref.mObject = dec->mLinkerObject;
|
|
ref.mOffset = offset;
|
|
if (aexp->mFlags & DTF_UPPER_BYTE)
|
|
ref.mFlags = LREF_HIGHBYTE;
|
|
else
|
|
ref.mFlags = LREF_LOWBYTE;
|
|
ref.mRefObject = aexp->mBase->mLinkerObject;
|
|
ref.mRefOffset = aexp->mOffset;
|
|
ref.mRefObject->mFlags |= LOBJF_RELEVANT;
|
|
dec->mLinkerObject->AddReference(ref);
|
|
}
|
|
else
|
|
mErrors->Error(aexp->mLocation, EERR_ASM_INVALD_OPERAND, "Invalid immediate operand");
|
|
|
|
offset += 1;
|
|
break;
|
|
case ASMIM_ZERO_PAGE:
|
|
case ASMIM_ZERO_PAGE_X:
|
|
case ASMIM_INDIRECT_X:
|
|
case ASMIM_INDIRECT_Y:
|
|
if (!aexp)
|
|
mErrors->Error(cexp->mLocation, EERR_ASM_INVALD_OPERAND, "Missing assembler operand");
|
|
else if (aexp->mType == DT_VARIABLE_REF)
|
|
{
|
|
if (refvars)
|
|
{
|
|
int j = 0;
|
|
while (j < refvars->Size() && (*refvars)[j] != aexp->mBase)
|
|
j++;
|
|
if (j == refvars->Size())
|
|
refvars->Push(aexp->mBase);
|
|
|
|
LinkerReference ref;
|
|
ref.mObject = dec->mLinkerObject;
|
|
ref.mOffset = offset;
|
|
ref.mFlags = LREF_TEMPORARY;
|
|
ref.mRefObject = dec->mLinkerObject;
|
|
ref.mRefOffset = j;
|
|
ref.mRefObject->mFlags |= LOBJF_RELEVANT;
|
|
dec->mLinkerObject->AddReference(ref);
|
|
|
|
d[offset] = aexp->mOffset;
|
|
}
|
|
else
|
|
mErrors->Error(aexp->mLocation, EERR_ASM_INVALD_OPERAND, "Local variable outside scope");
|
|
}
|
|
else if (aexp->mType == DT_ARGUMENT || aexp->mType == DT_VARIABLE)
|
|
{
|
|
if (aexp->mFlags & DTF_GLOBAL)
|
|
{
|
|
InitGlobalVariable(mod, aexp);
|
|
|
|
LinkerReference ref;
|
|
ref.mObject = dec->mLinkerObject;
|
|
ref.mOffset = offset;
|
|
ref.mFlags = LREF_LOWBYTE;
|
|
ref.mRefObject = aexp->mLinkerObject;
|
|
ref.mRefOffset = 0;
|
|
ref.mRefObject->mFlags |= LOBJF_RELEVANT;
|
|
dec->mLinkerObject->AddReference(ref);
|
|
}
|
|
else if (refvars)
|
|
{
|
|
int j = 0;
|
|
while (j < refvars->Size() && (*refvars)[j] != aexp)
|
|
j++;
|
|
if (j == refvars->Size())
|
|
refvars->Push(aexp);
|
|
|
|
LinkerReference ref;
|
|
ref.mObject = dec->mLinkerObject;
|
|
ref.mOffset = offset;
|
|
ref.mFlags = LREF_TEMPORARY;
|
|
ref.mRefObject = dec->mLinkerObject;
|
|
ref.mRefOffset = j;
|
|
ref.mRefObject->mFlags |= LOBJF_RELEVANT;
|
|
dec->mLinkerObject->AddReference(ref);
|
|
|
|
d[offset] = 0;
|
|
}
|
|
else
|
|
mErrors->Error(aexp->mLocation, EERR_ASM_INVALD_OPERAND, "Local variable outside scope");
|
|
}
|
|
else
|
|
d[offset] = uint8(aexp->mInteger);
|
|
offset += 1;
|
|
break;
|
|
case ASMIM_ABSOLUTE:
|
|
case ASMIM_INDIRECT:
|
|
case ASMIM_ABSOLUTE_X:
|
|
case ASMIM_ABSOLUTE_Y:
|
|
if (!aexp)
|
|
mErrors->Error(cexp->mLocation, EERR_ASM_INVALD_OPERAND, "Missing assembler operand");
|
|
else if (aexp->mType == DT_CONST_INTEGER)
|
|
{
|
|
d[offset + 0] = uint8(cexp->mLeft->mDecValue->mInteger & 255);
|
|
d[offset + 1] = uint8(cexp->mLeft->mDecValue->mInteger >> 8);
|
|
}
|
|
else if (aexp->mType == DT_LABEL)
|
|
{
|
|
if (aexp->mBase)
|
|
{
|
|
if (!aexp->mBase->mLinkerObject)
|
|
TranslateAssembler(mod, aexp->mBase->mValue, nullptr);
|
|
|
|
LinkerReference ref;
|
|
ref.mObject = dec->mLinkerObject;
|
|
ref.mOffset = offset;
|
|
ref.mFlags = LREF_LOWBYTE | LREF_HIGHBYTE;
|
|
ref.mRefObject = aexp->mBase->mLinkerObject;
|
|
ref.mRefOffset = int(aexp->mInteger);
|
|
ref.mRefObject->mFlags |= LOBJF_RELEVANT;
|
|
dec->mLinkerObject->AddReference(ref);
|
|
}
|
|
else
|
|
mErrors->Error(aexp->mLocation, EERR_ASM_INVALD_OPERAND, "Undefined label");
|
|
}
|
|
else if (aexp->mType == DT_LABEL_REF)
|
|
{
|
|
if (aexp->mBase->mBase)
|
|
{
|
|
if (!aexp->mBase->mBase->mLinkerObject)
|
|
TranslateAssembler(mod, aexp->mBase->mBase->mValue, nullptr);
|
|
|
|
LinkerReference ref;
|
|
ref.mObject = dec->mLinkerObject;
|
|
ref.mOffset = offset;
|
|
ref.mFlags = LREF_LOWBYTE | LREF_HIGHBYTE;
|
|
ref.mRefObject = aexp->mBase->mBase->mLinkerObject;
|
|
ref.mRefOffset = aexp->mOffset + int(aexp->mBase->mInteger);
|
|
ref.mRefObject->mFlags |= LOBJF_RELEVANT;
|
|
dec->mLinkerObject->AddReference(ref);
|
|
}
|
|
else
|
|
mErrors->Error(aexp->mLocation, EERR_ASM_INVALD_OPERAND, "Undefined label");
|
|
}
|
|
else if (aexp->mType == DT_CONST_ASSEMBLER)
|
|
{
|
|
if (!aexp->mLinkerObject)
|
|
TranslateAssembler(mod, aexp->mValue, nullptr);
|
|
|
|
LinkerReference ref;
|
|
ref.mObject = dec->mLinkerObject;
|
|
ref.mOffset = offset;
|
|
ref.mFlags = LREF_LOWBYTE | LREF_HIGHBYTE;
|
|
ref.mRefObject = aexp->mLinkerObject;
|
|
ref.mRefOffset = 0;
|
|
ref.mRefObject->mFlags |= LOBJF_RELEVANT;
|
|
dec->mLinkerObject->AddReference(ref);
|
|
}
|
|
else if (aexp->mType == DT_VARIABLE)
|
|
{
|
|
if (aexp->mFlags & DTF_GLOBAL)
|
|
{
|
|
InitGlobalVariable(mod, aexp);
|
|
|
|
LinkerReference ref;
|
|
ref.mObject = dec->mLinkerObject;
|
|
ref.mOffset = offset;
|
|
ref.mFlags = LREF_LOWBYTE | LREF_HIGHBYTE;
|
|
ref.mRefObject = aexp->mLinkerObject;
|
|
ref.mRefOffset = 0;
|
|
ref.mRefObject->mFlags |= LOBJF_RELEVANT;
|
|
dec->mLinkerObject->AddReference(ref);
|
|
}
|
|
}
|
|
else if (aexp->mType == DT_VARIABLE_REF)
|
|
{
|
|
if (aexp->mBase->mFlags & DTF_GLOBAL)
|
|
{
|
|
InitGlobalVariable(mod, aexp->mBase);
|
|
|
|
LinkerReference ref;
|
|
ref.mObject = dec->mLinkerObject;
|
|
ref.mOffset = offset;
|
|
ref.mFlags = LREF_LOWBYTE | LREF_HIGHBYTE;
|
|
ref.mRefObject = aexp->mBase->mLinkerObject;
|
|
ref.mRefOffset = aexp->mOffset;
|
|
ref.mRefObject->mFlags |= LOBJF_RELEVANT;
|
|
dec->mLinkerObject->AddReference(ref);
|
|
}
|
|
}
|
|
else if (aexp->mType == DT_CONST_FUNCTION)
|
|
{
|
|
if (!aexp->mLinkerObject)
|
|
{
|
|
InterCodeProcedure* cproc = this->TranslateProcedure(mod, aexp->mValue, aexp);
|
|
}
|
|
|
|
LinkerReference ref;
|
|
ref.mObject = dec->mLinkerObject;
|
|
ref.mOffset = offset;
|
|
ref.mFlags = LREF_LOWBYTE | LREF_HIGHBYTE;
|
|
ref.mRefObject = aexp->mLinkerObject;
|
|
ref.mRefOffset = 0;
|
|
ref.mRefObject->mFlags |= LOBJF_RELEVANT;
|
|
dec->mLinkerObject->AddReference(ref);
|
|
}
|
|
else if (aexp->mType == DT_FUNCTION_REF)
|
|
{
|
|
if (!aexp->mBase->mLinkerObject)
|
|
{
|
|
InterCodeProcedure* cproc = this->TranslateProcedure(mod, aexp->mBase->mValue, aexp->mBase);
|
|
}
|
|
|
|
LinkerReference ref;
|
|
ref.mObject = dec->mLinkerObject;
|
|
ref.mOffset = offset;
|
|
ref.mFlags = LREF_LOWBYTE | LREF_HIGHBYTE;
|
|
ref.mRefObject = aexp->mBase->mLinkerObject;
|
|
ref.mRefOffset = aexp->mOffset;
|
|
ref.mRefObject->mFlags |= LOBJF_RELEVANT;
|
|
dec->mLinkerObject->AddReference(ref);
|
|
}
|
|
|
|
offset += 2;
|
|
break;
|
|
case ASMIM_RELATIVE:
|
|
if (!aexp)
|
|
mErrors->Error(cexp->mLocation, EERR_ASM_INVALD_OPERAND, "Missing assembler operand");
|
|
else
|
|
{
|
|
int64 disp = 0;
|
|
if (aexp->mType == DT_LABEL_REF)
|
|
{
|
|
if (aexp->mBase->mBase)
|
|
disp = aexp->mOffset + aexp->mBase->mInteger - offset - 1;
|
|
else
|
|
mErrors->Error(aexp->mLocation, EERR_ASM_INVALD_OPERAND, "Undefined label", aexp->mBase->mQualIdent);
|
|
}
|
|
else if (aexp->mType == DT_LABEL)
|
|
{
|
|
if (aexp->mBase)
|
|
disp = aexp->mInteger - offset - 1;
|
|
else
|
|
mErrors->Error(aexp->mLocation, EERR_ASM_INVALD_OPERAND, "Undefined label", aexp->mQualIdent);
|
|
}
|
|
|
|
if (disp < -128 || disp > 127)
|
|
mErrors->Error(aexp->mLocation, EERR_ASM_INVALD_OPERAND, "Branch target out of range");
|
|
|
|
d[offset] = uint8(disp);
|
|
}
|
|
offset++;
|
|
break;
|
|
}
|
|
|
|
cexp = cexp->mRight;
|
|
}
|
|
|
|
assert(offset == osize);
|
|
}
|
|
|
|
void InterCodeGenerator::BuildSwitchTree(InterCodeProcedure* proc, Expression* exp, InterCodeBasicBlock* block, InlineMapper * inlineMapper, ExValue v, const SwitchNodeArray& nodes, int left, int right, int vleft, int vright, InterCodeBasicBlock* dblock)
|
|
{
|
|
if (right - left < 3)
|
|
{
|
|
for (int i = left; i < right; i++)
|
|
{
|
|
if (vleft == vright)
|
|
{
|
|
InterInstruction* jins = new InterInstruction(MapLocation(exp, inlineMapper), IC_JUMP);
|
|
block->Append(jins);
|
|
block->Close(nodes[i].mBlock, nullptr);
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
InterCodeBasicBlock* cblock = new InterCodeBasicBlock(proc);
|
|
|
|
InterInstruction* vins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
|
|
vins->mConst.mType = IT_INT16;
|
|
vins->mConst.mIntConst = nodes[i].mLower;
|
|
vins->mDst.mType = IT_INT16;
|
|
vins->mDst.mTemp = proc->AddTemporary(vins->mDst.mType);
|
|
block->Append(vins);
|
|
|
|
if (nodes[i].mLower == nodes[i].mUpper)
|
|
{
|
|
InterInstruction* cins = new InterInstruction(MapLocation(exp, inlineMapper), IC_RELATIONAL_OPERATOR);
|
|
cins->mOperator = IA_CMPEQ;
|
|
cins->mSrc[0].mType = vins->mDst.mType;
|
|
cins->mSrc[0].mTemp = vins->mDst.mTemp;
|
|
cins->mSrc[1].mType = vins->mDst.mType;
|
|
cins->mSrc[1].mTemp = v.mTemp;
|
|
cins->mDst.mType = IT_BOOL;
|
|
cins->mDst.mTemp = proc->AddTemporary(cins->mDst.mType);
|
|
|
|
block->Append(cins);
|
|
|
|
InterInstruction* bins = new InterInstruction(MapLocation(exp, inlineMapper), IC_BRANCH);
|
|
bins->mSrc[0].mType = IT_BOOL;
|
|
bins->mSrc[0].mTemp = cins->mDst.mTemp;
|
|
block->Append(bins);
|
|
}
|
|
else
|
|
{
|
|
InterCodeBasicBlock* tblock = new InterCodeBasicBlock(proc);
|
|
|
|
InterInstruction* cins = new InterInstruction(MapLocation(exp, inlineMapper), IC_RELATIONAL_OPERATOR);
|
|
cins->mOperator = IA_CMPLS;
|
|
cins->mSrc[0].mType = vins->mDst.mType;
|
|
cins->mSrc[0].mTemp = vins->mDst.mTemp;
|
|
cins->mSrc[1].mType = vins->mDst.mType;
|
|
cins->mSrc[1].mTemp = v.mTemp;
|
|
cins->mDst.mType = IT_BOOL;
|
|
cins->mDst.mTemp = proc->AddTemporary(cins->mDst.mType);
|
|
|
|
block->Append(cins);
|
|
|
|
InterInstruction* bins = new InterInstruction(MapLocation(exp, inlineMapper), IC_BRANCH);
|
|
bins->mSrc[0].mType = IT_BOOL;
|
|
bins->mSrc[0].mTemp = cins->mDst.mTemp;
|
|
block->Append(bins);
|
|
block->Close(cblock, tblock);
|
|
|
|
block = tblock;
|
|
|
|
InterInstruction* vins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
|
|
vins->mConst.mType = IT_INT16;
|
|
vins->mConst.mIntConst = nodes[i].mUpper;
|
|
vins->mDst.mType = IT_INT16;
|
|
vins->mDst.mTemp = proc->AddTemporary(vins->mDst.mType);
|
|
block->Append(vins);
|
|
|
|
cins = new InterInstruction(MapLocation(exp, inlineMapper), IC_RELATIONAL_OPERATOR);
|
|
cins->mOperator = IA_CMPLES;
|
|
cins->mSrc[0].mType = vins->mDst.mType;
|
|
cins->mSrc[0].mTemp = vins->mDst.mTemp;
|
|
cins->mSrc[1].mType = vins->mDst.mType;
|
|
cins->mSrc[1].mTemp = v.mTemp;
|
|
cins->mDst.mType = IT_BOOL;
|
|
cins->mDst.mTemp = proc->AddTemporary(cins->mDst.mType);
|
|
block->Append(cins);
|
|
|
|
bins = new InterInstruction(MapLocation(exp, inlineMapper), IC_BRANCH);
|
|
bins->mSrc[0].mType = IT_BOOL;
|
|
bins->mSrc[0].mTemp = cins->mDst.mTemp;
|
|
block->Append(bins);
|
|
}
|
|
|
|
block->Close(nodes[i].mBlock, cblock);
|
|
|
|
block = cblock;
|
|
|
|
if (vleft == nodes[i].mLower)
|
|
vleft = nodes[i].mLower + 1;
|
|
}
|
|
}
|
|
|
|
InterInstruction* jins = new InterInstruction(MapLocation(exp, inlineMapper), IC_JUMP);
|
|
|
|
block->Append(jins);
|
|
block->Close(dblock, nullptr);
|
|
}
|
|
else
|
|
{
|
|
int center = (left + right) >> 1;
|
|
|
|
InterCodeBasicBlock* cblock = new InterCodeBasicBlock(proc);
|
|
InterCodeBasicBlock* rblock = new InterCodeBasicBlock(proc);
|
|
InterCodeBasicBlock* lblock = new InterCodeBasicBlock(proc);
|
|
|
|
if (nodes[center].mLower == nodes[center].mUpper)
|
|
{
|
|
int vcenter = nodes[center].mLower;
|
|
|
|
InterInstruction* vins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
|
|
vins->mConst.mType = IT_INT16;
|
|
vins->mConst.mIntConst = vcenter;
|
|
vins->mDst.mType = IT_INT16;
|
|
vins->mDst.mTemp = proc->AddTemporary(vins->mDst.mType);
|
|
block->Append(vins);
|
|
|
|
InterInstruction* cins = new InterInstruction(MapLocation(exp, inlineMapper), IC_RELATIONAL_OPERATOR);
|
|
cins->mOperator = IA_CMPEQ;
|
|
cins->mSrc[0].mType = vins->mDst.mType;
|
|
cins->mSrc[0].mTemp = vins->mDst.mTemp;
|
|
cins->mSrc[1].mType = vins->mDst.mType;
|
|
cins->mSrc[1].mTemp = v.mTemp;
|
|
cins->mDst.mType = IT_BOOL;
|
|
cins->mDst.mTemp = proc->AddTemporary(cins->mDst.mType);
|
|
|
|
block->Append(cins);
|
|
|
|
InterInstruction* bins = new InterInstruction(MapLocation(exp, inlineMapper), IC_BRANCH);
|
|
bins->mSrc[0].mType = IT_BOOL;
|
|
bins->mSrc[0].mTemp = cins->mDst.mTemp;
|
|
block->Append(bins);
|
|
|
|
block->Close(nodes[center].mBlock, cblock);
|
|
|
|
InterInstruction* rins = new InterInstruction(MapLocation(exp, inlineMapper), IC_RELATIONAL_OPERATOR);
|
|
rins->mOperator = IA_CMPLS;
|
|
rins->mSrc[0].mType = vins->mDst.mType;
|
|
rins->mSrc[0].mTemp = vins->mDst.mTemp;
|
|
rins->mSrc[1].mType = vins->mDst.mType;
|
|
rins->mSrc[1].mTemp = v.mTemp;
|
|
rins->mDst.mType = IT_BOOL;
|
|
rins->mDst.mTemp = proc->AddTemporary(rins->mDst.mType);
|
|
|
|
cblock->Append(rins);
|
|
|
|
InterInstruction* rbins = new InterInstruction(MapLocation(exp, inlineMapper), IC_BRANCH);
|
|
rbins->mSrc[0].mType = IT_BOOL;
|
|
rbins->mSrc[0].mTemp = rins->mDst.mTemp;
|
|
cblock->Append(rbins);
|
|
|
|
cblock->Close(lblock, rblock);
|
|
|
|
BuildSwitchTree(proc, exp, lblock, inlineMapper, v, nodes, left, center, vleft, vcenter - 1, dblock);
|
|
BuildSwitchTree(proc, exp, rblock, inlineMapper, v, nodes, center + 1, right, vcenter + 1, vright, dblock);
|
|
}
|
|
else
|
|
{
|
|
int vlower = nodes[center].mLower, vupper = nodes[center].mUpper;
|
|
|
|
InterInstruction* vins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
|
|
vins->mConst.mType = IT_INT16;
|
|
vins->mConst.mIntConst = vlower;
|
|
vins->mDst.mType = IT_INT16;
|
|
vins->mDst.mTemp = proc->AddTemporary(vins->mDst.mType);
|
|
block->Append(vins);
|
|
|
|
InterInstruction* cins = new InterInstruction(MapLocation(exp, inlineMapper), IC_RELATIONAL_OPERATOR);
|
|
cins->mOperator = IA_CMPLS;
|
|
cins->mSrc[0].mType = vins->mDst.mType;
|
|
cins->mSrc[0].mTemp = vins->mDst.mTemp;
|
|
cins->mSrc[1].mType = vins->mDst.mType;
|
|
cins->mSrc[1].mTemp = v.mTemp;
|
|
cins->mDst.mType = IT_BOOL;
|
|
cins->mDst.mTemp = proc->AddTemporary(cins->mDst.mType);
|
|
|
|
block->Append(cins);
|
|
|
|
InterInstruction* bins = new InterInstruction(MapLocation(exp, inlineMapper), IC_BRANCH);
|
|
bins->mSrc[0].mType = IT_BOOL;
|
|
bins->mSrc[0].mTemp = cins->mDst.mTemp;
|
|
block->Append(bins);
|
|
block->Close(lblock, cblock);
|
|
|
|
vins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
|
|
vins->mConst.mType = IT_INT16;
|
|
vins->mConst.mIntConst = vupper;
|
|
vins->mDst.mType = IT_INT16;
|
|
vins->mDst.mTemp = proc->AddTemporary(vins->mDst.mType);
|
|
cblock->Append(vins);
|
|
|
|
cins = new InterInstruction(MapLocation(exp, inlineMapper), IC_RELATIONAL_OPERATOR);
|
|
cins->mOperator = IA_CMPLES;
|
|
cins->mSrc[0].mType = vins->mDst.mType;
|
|
cins->mSrc[0].mTemp = vins->mDst.mTemp;
|
|
cins->mSrc[1].mType = vins->mDst.mType;
|
|
cins->mSrc[1].mTemp = v.mTemp;
|
|
cins->mDst.mType = IT_BOOL;
|
|
cins->mDst.mTemp = proc->AddTemporary(cins->mDst.mType);
|
|
cblock->Append(cins);
|
|
|
|
bins = new InterInstruction(MapLocation(exp, inlineMapper), IC_BRANCH);
|
|
bins->mSrc[0].mType = IT_BOOL;
|
|
bins->mSrc[0].mTemp = cins->mDst.mTemp;
|
|
cblock->Append(bins);
|
|
|
|
cblock->Close(nodes[center].mBlock, rblock);
|
|
|
|
BuildSwitchTree(proc, exp, lblock, inlineMapper, v, nodes, left, center, vleft, vlower - 1, dblock);
|
|
BuildSwitchTree(proc, exp, rblock, inlineMapper, v, nodes, center + 1, right, vupper + 1, vright, dblock);
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
void InterCodeGenerator::UnwindDestructStack(Declaration* procType, InterCodeProcedure* proc, InterCodeBasicBlock*& block, DestructStack* stack, DestructStack* bottom, InlineMapper* inlineMapper)
|
|
{
|
|
while (stack && stack != bottom)
|
|
{
|
|
if (stack->mDestruct)
|
|
{
|
|
DestructStack* destack = nullptr;
|
|
GotoNode* gotos = nullptr;
|
|
TranslateExpression(procType, proc, block, stack->mDestruct, destack, gotos, BranchTarget(), BranchTarget(), inlineMapper);
|
|
}
|
|
|
|
stack = stack->mNext;
|
|
}
|
|
|
|
if (stack != bottom)
|
|
mErrors->Error(proc->mLocation, EWARN_DESTRUCTOR_MISMATCH, "Destructor sequence mismatch");
|
|
}
|
|
|
|
void InterCodeGenerator::ConnectGotos(Declaration* procType, InterCodeProcedure* proc, GotoNode* gotos, InlineMapper* inlineMapper)
|
|
{
|
|
GotoNode* gl = gotos;
|
|
while (gl)
|
|
{
|
|
GotoNode* g = gotos;
|
|
while (g && !(g != gl && g->mExpr->mType == EX_LABEL && g->mExpr->mDecValue->mIdent == gl->mExpr->mDecValue->mIdent))
|
|
g = g->mNext;
|
|
|
|
if (gl->mExpr->mType == EX_LABEL)
|
|
{
|
|
if (g)
|
|
mErrors->Error(gl->mExpr->mLocation, EERR_DUPLICATE_DEFINITION, "Label defined twice", gl->mExpr->mDecValue->mIdent);
|
|
}
|
|
else
|
|
{
|
|
if (g)
|
|
{
|
|
if (gl->mDestruct)
|
|
{
|
|
DestructStack* s = gl->mDestruct;
|
|
while (s && s != g->mDestruct)
|
|
s = s->mNext;
|
|
if (s == g->mDestruct)
|
|
UnwindDestructStack(procType, proc, gl->mBlock, gl->mDestruct, s, inlineMapper);
|
|
else
|
|
mErrors->Error(gl->mExpr->mLocation, ERRR_INVALID_GOTO, "Invalid got bypass constructor");
|
|
}
|
|
|
|
gl->mBlock->Close(g->mBlock, nullptr);
|
|
}
|
|
else
|
|
mErrors->Error(gl->mExpr->mLocation, EERR_UNDEFINED_OBJECT, "Undefined label", gl->mExpr->mDecValue->mIdent);
|
|
}
|
|
gl = gl->mNext;
|
|
}
|
|
|
|
}
|
|
|
|
Location InterCodeGenerator::MapLocation(Expression* exp, InlineMapper* inlineMapper)
|
|
{
|
|
if (inlineMapper)
|
|
return Location(exp->mLocation, inlineMapper->mLocation);
|
|
else
|
|
return exp->mLocation;
|
|
}
|
|
|
|
InterCodeGenerator::ExValue InterCodeGenerator::TranslateInline(Declaration* procType, InterCodeProcedure* proc, InterCodeBasicBlock*& block, Expression* exp, const BranchTarget& breakBlock, const BranchTarget& continueBlock, InlineMapper* inlineMapper, bool inlineConstexpr, ExValue* lrexp)
|
|
{
|
|
DestructStack* destack = nullptr;
|
|
GotoNode* gotos = nullptr;
|
|
|
|
ExValue vl, vr;
|
|
|
|
Declaration* fdec = exp->mLeft->mDecValue;
|
|
Expression* fexp = fdec->mValue;
|
|
Declaration* ftype = fdec->mBase;
|
|
|
|
proc->mCheckUnreachable = false;
|
|
|
|
InlineMapper nmapper;
|
|
nmapper.mReturn = new InterCodeBasicBlock(proc);
|
|
nmapper.mVarIndex = proc->mNumLocals;
|
|
nmapper.mConstExpr = inlineConstexpr;
|
|
nmapper.mLocation = new Location(MapLocation(exp, inlineMapper));
|
|
proc->mNumLocals += fdec->mNumVars;
|
|
if (inlineMapper)
|
|
nmapper.mDepth = inlineMapper->mDepth + 1;
|
|
|
|
Declaration* pdec = ftype->mParams;
|
|
Expression* pex = exp->mRight;
|
|
while (pex)
|
|
{
|
|
int nindex = proc->mNumLocals++;
|
|
Declaration* vdec = new Declaration(pex->mLocation, DT_VARIABLE);
|
|
|
|
InterInstruction* ains = new InterInstruction(MapLocation(pex, inlineMapper), IC_CONSTANT);
|
|
ains->mDst.mType = IT_POINTER;
|
|
ains->mDst.mTemp = proc->AddTemporary(ains->mDst.mType);
|
|
ains->mConst.mType = IT_POINTER;
|
|
ains->mConst.mMemory = IM_LOCAL;
|
|
ains->mConst.mVarIndex = nindex;
|
|
|
|
if (pdec)
|
|
{
|
|
if (!(pdec->mFlags & DTF_FPARAM_UNUSED))
|
|
nmapper.mParams[pdec->mVarIndex] = nindex;
|
|
|
|
vdec->mVarIndex = nindex;
|
|
vdec->mBase = pdec->mBase;
|
|
if (pdec->mBase->mType == DT_TYPE_ARRAY || pdec->mBase->mType == DT_TYPE_REFERENCE || pdec->mBase->mType == DT_TYPE_RVALUEREF)
|
|
ains->mConst.mOperandSize = 2;
|
|
else
|
|
ains->mConst.mOperandSize = pdec->mSize;
|
|
vdec->mSize = ains->mConst.mOperandSize;
|
|
vdec->mIdent = pdec->mIdent;
|
|
vdec->mQualIdent = pdec->mQualIdent;
|
|
}
|
|
else
|
|
{
|
|
mErrors->Error(pex->mLocation, EERR_WRONG_PARAMETER, "Too many arguments for function call");
|
|
}
|
|
|
|
block->Append(ains);
|
|
|
|
Expression* texp;
|
|
|
|
if (pex->mType == EX_LIST)
|
|
{
|
|
texp = pex->mLeft;
|
|
pex = pex->mRight;
|
|
}
|
|
else
|
|
{
|
|
texp = pex;
|
|
pex = nullptr;
|
|
}
|
|
|
|
ExValue vp(pdec ? pdec->mBase : TheSignedIntTypeDeclaration, ains->mDst.mTemp, 1);
|
|
|
|
if (pdec && (pdec->mBase->mType == DT_TYPE_STRUCT || pdec->mBase->mType == DT_TYPE_UNION))
|
|
vr = TranslateExpression(procType, proc, block, texp, destack, gotos, breakBlock, continueBlock, inlineMapper, &vp);
|
|
else
|
|
vr = TranslateExpression(procType, proc, block, texp, destack, gotos, breakBlock, continueBlock, inlineMapper, nullptr);
|
|
|
|
if (!(pdec && pdec->mBase->IsReference()) && (vr.mType->mType == DT_TYPE_STRUCT || vr.mType->mType == DT_TYPE_UNION))
|
|
{
|
|
if (pdec && !pdec->mBase->CanAssign(vr.mType))
|
|
mErrors->Error(texp->mLocation, EERR_INCOMPATIBLE_TYPES, "Cannot assign incompatible types", pdec->mBase->MangleIdent(), vr.mType->MangleIdent());
|
|
|
|
vr = Dereference(proc, texp, block, inlineMapper, vr, 1);
|
|
|
|
if (vr.mReference != 1)
|
|
mErrors->Error(exp->mLeft->mLocation, EERR_NOT_AN_LVALUE, "Not an addressable expression");
|
|
|
|
if (vp.mTemp != vr.mTemp)
|
|
CopyStructSimple(proc, exp, block, inlineMapper, vp, vr);
|
|
}
|
|
else
|
|
{
|
|
if (vr.mType->mType == DT_TYPE_ARRAY || vr.mType->mType == DT_TYPE_FUNCTION)
|
|
vr = Dereference(proc, texp, block, inlineMapper, vr, 1);
|
|
else if (pdec && (pdec->mBase->IsReference() && !vr.mType->IsReference()))
|
|
vr = Dereference(proc, texp, block, inlineMapper, vr, 1);
|
|
else if (vr.mType->IsReference() && !(pdec && pdec->mBase->IsReference()))
|
|
{
|
|
vr.mReference++;
|
|
vr = Dereference(proc, texp, block, inlineMapper, vr);
|
|
}
|
|
else
|
|
vr = Dereference(proc, texp, block, inlineMapper, vr);
|
|
|
|
if (pdec)
|
|
{
|
|
if (!pdec->mBase->CanAssign(vr.mType))
|
|
{
|
|
pdec->mBase->CanAssign(vr.mType);
|
|
mErrors->Error(texp->mLocation, EERR_INCOMPATIBLE_TYPES, "Cannot assign incompatible types", pdec->mBase->MangleIdent(), vr.mType->MangleIdent());
|
|
}
|
|
vr = CoerceType(proc, texp, block, inlineMapper, vr, pdec->mBase);
|
|
}
|
|
else if (vr.mType->IsIntegerType() && vr.mType->mSize < 2)
|
|
{
|
|
vr = CoerceType(proc, texp, block, inlineMapper, vr, TheSignedIntTypeDeclaration);
|
|
}
|
|
|
|
InterInstruction* wins = new InterInstruction(MapLocation(texp, inlineMapper), IC_STORE);
|
|
wins->mSrc[1].mMemory = IM_INDIRECT;
|
|
wins->mSrc[0].mType = vr.mReference > 0 ? IT_POINTER : InterTypeOf(vr.mType);
|
|
wins->mSrc[0].mTemp = vr.mTemp;
|
|
// assert(wins->mSrc[0].mType != IT_NONE);
|
|
wins->mSrc[1].mType = IT_POINTER;
|
|
wins->mSrc[1].mTemp = ains->mDst.mTemp;
|
|
if (pdec)
|
|
{
|
|
if (pdec->mBase->mType == DT_TYPE_ARRAY || pdec->mBase->mType == DT_TYPE_REFERENCE || pdec->mBase->mType == DT_TYPE_RVALUEREF)
|
|
wins->mSrc[1].mOperandSize = 2;
|
|
else
|
|
wins->mSrc[1].mOperandSize = pdec->mSize;
|
|
}
|
|
else if (vr.mType->mSize > 2 && vr.mType->mType != DT_TYPE_ARRAY)
|
|
wins->mSrc[1].mOperandSize = vr.mType->mSize;
|
|
else
|
|
wins->mSrc[1].mOperandSize = 2;
|
|
|
|
if (!pdec || !(pdec->mFlags & DTF_FPARAM_UNUSED))
|
|
block->Append(wins);
|
|
}
|
|
|
|
if (pdec)
|
|
pdec = pdec->mNext;
|
|
}
|
|
|
|
if (pdec)
|
|
mErrors->Error(exp->mLocation, EERR_WRONG_PARAMETER, "Not enough arguments for function call");
|
|
|
|
Declaration* rdec = nullptr;
|
|
if (ftype->mBase->mType != DT_TYPE_VOID)
|
|
{
|
|
if (lrexp)
|
|
{
|
|
nmapper.mResultExp = lrexp;
|
|
}
|
|
else
|
|
{
|
|
int nindex = proc->mNumLocals++;
|
|
nmapper.mResult = nindex;
|
|
|
|
rdec = new Declaration(ftype->mLocation, DT_VARIABLE);
|
|
rdec->mVarIndex = nindex;
|
|
rdec->mBase = ftype->mBase;
|
|
rdec->mSize = rdec->mBase->mSize;
|
|
}
|
|
}
|
|
|
|
DestructStack* idestack = nullptr;
|
|
GotoNode* igotos = nullptr;
|
|
|
|
vl = TranslateExpression(ftype, proc, block, fexp, idestack, igotos, BranchTarget(), BranchTarget(), &nmapper);
|
|
|
|
InterInstruction* jins = new InterInstruction(MapLocation(exp, inlineMapper), IC_JUMP);
|
|
block->Append(jins);
|
|
|
|
block->Close(nmapper.mReturn, nullptr);
|
|
block = nmapper.mReturn;
|
|
|
|
ConnectGotos(ftype, proc, igotos, &nmapper);
|
|
|
|
// Unwind inner destruct stack
|
|
UnwindDestructStack(ftype, proc, block, idestack, nullptr, &nmapper);
|
|
|
|
// Uwind parameter passing stack
|
|
UnwindDestructStack(ftype, proc, block, destack, nullptr, inlineMapper);
|
|
|
|
if (rdec)
|
|
{
|
|
InterInstruction* ins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
|
|
ins->mDst.mType = IT_POINTER;
|
|
ins->mDst.mTemp = proc->AddTemporary(ins->mDst.mType);
|
|
ins->mConst.mType = IT_POINTER;
|
|
ins->mConst.mOperandSize = rdec->mSize;
|
|
ins->mConst.mIntConst = rdec->mOffset;
|
|
ins->mConst.mVarIndex = rdec->mVarIndex;
|
|
ins->mConst.mMemory = IM_LOCAL;
|
|
|
|
block->Append(ins);
|
|
|
|
ExValue rv(rdec->mBase, ins->mDst.mTemp, 1);
|
|
if (!rdec->mBase->IsReference() && rdec->mBase->mType != DT_TYPE_STRUCT)
|
|
rv = Dereference(proc, exp, block, inlineMapper, rv);
|
|
return rv;
|
|
}
|
|
else if (lrexp)
|
|
{
|
|
return *lrexp;
|
|
}
|
|
else
|
|
return ExValue(TheVoidTypeDeclaration);
|
|
}
|
|
|
|
void InterCodeGenerator::CopyStructSimple(InterCodeProcedure* proc, Expression * exp, InterCodeBasicBlock* block, InlineMapper * inlineMapper, ExValue vl, ExValue vr)
|
|
{
|
|
int ne = 0;
|
|
Declaration* mdec = nullptr;
|
|
if (vl.mType->mType == DT_TYPE_STRUCT)
|
|
{
|
|
Declaration* dec = vl.mType->mParams;
|
|
while (dec)
|
|
{
|
|
if (dec->mType == DT_ELEMENT && !(dec->mFlags & DTF_STATIC) && dec->mBase->IsSimpleType())
|
|
{
|
|
mdec = dec->mBase;
|
|
ne++;
|
|
}
|
|
dec = dec->mNext;
|
|
}
|
|
}
|
|
|
|
bool cvol = false;
|
|
if ((vl.mType->mFlags & DTF_VOLATILE) || (vr.mType->mFlags & DTF_VOLATILE))
|
|
cvol = true;
|
|
else
|
|
{
|
|
Declaration* dec = vl.mType->mParams;
|
|
while (!cvol && dec)
|
|
{
|
|
if (dec->mType == DT_ELEMENT && (dec->mBase->mFlags & DTF_VOLATILE))
|
|
cvol = true;
|
|
dec = dec->mNext;
|
|
}
|
|
dec = vr.mType->mParams;
|
|
while (!cvol && dec)
|
|
{
|
|
if (dec->mType == DT_ELEMENT && (dec->mBase->mFlags & DTF_VOLATILE))
|
|
cvol = true;
|
|
dec = dec->mNext;
|
|
}
|
|
}
|
|
|
|
// Single element structs are copied as individual value
|
|
if (ne == 1 && mdec->mSize == vl.mType->mSize)
|
|
{
|
|
InterInstruction* lins = new InterInstruction(MapLocation(exp, inlineMapper), IC_LOAD);
|
|
lins->mNumOperands = 1;
|
|
|
|
lins->mSrc[0].mType = IT_POINTER;
|
|
lins->mSrc[0].mTemp = vr.mTemp;
|
|
lins->mSrc[0].mMemory = IM_INDIRECT;
|
|
lins->mSrc[0].mOperandSize = mdec->mSize;
|
|
lins->mSrc[0].mStride = mdec->mStripe;
|
|
|
|
lins->mDst.mType = InterTypeOf(mdec);
|
|
lins->mDst.mTemp = proc->AddTemporary(lins->mDst.mType);
|
|
block->Append(lins);
|
|
|
|
InterInstruction* sins = new InterInstruction(MapLocation(exp, inlineMapper), IC_STORE);
|
|
sins->mNumOperands = 2;
|
|
|
|
sins->mSrc[1].mType = IT_POINTER;
|
|
sins->mSrc[1].mTemp = vl.mTemp;
|
|
sins->mSrc[1].mMemory = IM_INDIRECT;
|
|
sins->mSrc[1].mOperandSize = mdec->mSize;
|
|
sins->mSrc[1].mStride = mdec->mStripe;
|
|
|
|
sins->mSrc[0] = lins->mDst;
|
|
block->Append(sins);
|
|
}
|
|
else
|
|
{
|
|
InterInstruction* cins = new InterInstruction(MapLocation(exp, inlineMapper), IC_COPY);
|
|
cins->mNumOperands = 2;
|
|
|
|
cins->mSrc[0].mType = IT_POINTER;
|
|
cins->mSrc[0].mTemp = vr.mTemp;
|
|
cins->mSrc[0].mMemory = IM_INDIRECT;
|
|
cins->mSrc[0].mOperandSize = vr.mType->mSize;
|
|
cins->mSrc[0].mStride = vr.mType->mStripe;
|
|
|
|
cins->mSrc[1].mOperandSize = vl.mType->mSize;
|
|
cins->mSrc[1].mType = IT_POINTER;
|
|
cins->mSrc[1].mTemp = vl.mTemp;
|
|
cins->mSrc[1].mMemory = IM_INDIRECT;
|
|
cins->mSrc[1].mStride = vl.mType->mStripe;
|
|
|
|
cins->mConst.mOperandSize = vl.mType->mSize;
|
|
cins->mVolatile = cvol;
|
|
block->Append(cins);
|
|
}
|
|
}
|
|
|
|
void InterCodeGenerator::CopyStruct(InterCodeProcedure* proc, Expression* exp, InterCodeBasicBlock*& block, ExValue vl, ExValue vr, InlineMapper* inlineMapper, bool moving)
|
|
{
|
|
if (vr.mTemp == vl.mTemp)
|
|
return;
|
|
|
|
if (vl.mType->mCopyConstructor || moving && vl.mType->mMoveConstructor)
|
|
{
|
|
Declaration* ccdec = vl.mType->mCopyConstructor;
|
|
if (moving && vl.mType->mMoveConstructor)
|
|
ccdec = vl.mType->mMoveConstructor;
|
|
|
|
if (!ccdec->mLinkerObject)
|
|
this->TranslateProcedure(proc->mModule, ccdec->mValue, ccdec);
|
|
|
|
bool canInline = (mCompilerOptions & COPT_OPTIMIZE_INLINE) && !(inlineMapper && inlineMapper->mDepth > 10);
|
|
bool doInline = false;
|
|
|
|
if (canInline)
|
|
{
|
|
if (ccdec->mFlags & DTF_INLINE)
|
|
{
|
|
if ((ccdec->mFlags & DTF_REQUEST_INLINE) || (mCompilerOptions & COPT_OPTIMIZE_AUTO_INLINE))
|
|
{
|
|
if (proc->mNativeProcedure || !(ccdec->mFlags & DTF_NATIVE))
|
|
doInline = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (doInline)
|
|
{
|
|
DestructStack* destack = nullptr;
|
|
GotoNode* gotos = nullptr;
|
|
|
|
Expression* fexp = ccdec->mValue;
|
|
Declaration* ftype = ccdec->mBase;
|
|
|
|
InlineMapper nmapper;
|
|
nmapper.mReturn = new InterCodeBasicBlock(proc);
|
|
nmapper.mVarIndex = proc->mNumLocals;
|
|
nmapper.mConstExpr = false;
|
|
proc->mNumLocals += ccdec->mNumVars;
|
|
if (inlineMapper)
|
|
nmapper.mDepth = inlineMapper->mDepth + 1;
|
|
|
|
Declaration* pdec = ftype->mParams;
|
|
int nindex = proc->mNumLocals++;
|
|
Declaration* vdec = new Declaration(exp->mLocation, DT_VARIABLE);
|
|
|
|
InterInstruction* ains = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
|
|
ains->mDst.mType = IT_POINTER;
|
|
ains->mDst.mTemp = proc->AddTemporary(ains->mDst.mType);
|
|
ains->mConst.mType = IT_POINTER;
|
|
ains->mConst.mMemory = IM_LOCAL;
|
|
ains->mConst.mVarIndex = nindex;
|
|
|
|
if (!(pdec->mFlags & DTF_FPARAM_UNUSED))
|
|
nmapper.mParams[pdec->mVarIndex] = nindex;
|
|
|
|
vdec->mVarIndex = nindex;
|
|
vdec->mBase = pdec->mBase;
|
|
ains->mConst.mOperandSize = 2;
|
|
vdec->mSize = ains->mConst.mOperandSize;
|
|
vdec->mIdent = pdec->mIdent;
|
|
vdec->mQualIdent = pdec->mQualIdent;
|
|
block->Append(ains);
|
|
|
|
InterInstruction* wins = new InterInstruction(MapLocation(exp, inlineMapper), IC_STORE);
|
|
wins->mNumOperands = 2;
|
|
wins->mSrc[1].mMemory = IM_INDIRECT;
|
|
wins->mSrc[0].mType = vl.mReference > 0 ? IT_POINTER : InterTypeOf(vl.mType);
|
|
wins->mSrc[0].mTemp = vl.mTemp;
|
|
wins->mSrc[1].mType = IT_POINTER;
|
|
wins->mSrc[1].mTemp = ains->mDst.mTemp;
|
|
wins->mSrc[1].mOperandSize = 2;
|
|
if (!(pdec->mFlags & DTF_FPARAM_UNUSED))
|
|
block->Append(wins);
|
|
|
|
pdec = pdec->mNext;
|
|
|
|
nindex = proc->mNumLocals++;
|
|
vdec = new Declaration(exp->mLocation, DT_VARIABLE);
|
|
|
|
ains = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
|
|
ains->mNumOperands = 0;
|
|
ains->mDst.mType = IT_POINTER;
|
|
ains->mDst.mTemp = proc->AddTemporary(ains->mDst.mType);
|
|
ains->mConst.mType = IT_POINTER;
|
|
ains->mConst.mMemory = IM_LOCAL;
|
|
ains->mConst.mVarIndex = nindex;
|
|
|
|
if (!(pdec->mFlags & DTF_FPARAM_UNUSED))
|
|
nmapper.mParams[pdec->mVarIndex] = nindex;
|
|
|
|
vdec->mVarIndex = nindex;
|
|
vdec->mBase = pdec->mBase;
|
|
ains->mConst.mOperandSize = 2;
|
|
vdec->mSize = ains->mConst.mOperandSize;
|
|
vdec->mIdent = pdec->mIdent;
|
|
vdec->mQualIdent = pdec->mQualIdent;
|
|
block->Append(ains);
|
|
|
|
wins = new InterInstruction(MapLocation(exp, inlineMapper), IC_STORE);
|
|
wins->mNumOperands = 2;
|
|
wins->mSrc[1].mMemory = IM_INDIRECT;
|
|
wins->mSrc[0].mType = vr.mReference > 0 ? IT_POINTER : InterTypeOf(vr.mType);;
|
|
wins->mSrc[0].mTemp = vr.mTemp;
|
|
wins->mSrc[1].mType = IT_POINTER;
|
|
wins->mSrc[1].mTemp = ains->mDst.mTemp;
|
|
wins->mSrc[1].mOperandSize = 2;
|
|
if (!(pdec->mFlags & DTF_FPARAM_UNUSED))
|
|
block->Append(wins);
|
|
|
|
if (!fexp)
|
|
mErrors->Error(exp->mLocation, EERR_CALL_OF_DELETED_FUNCTION, "Call of deleted copy constructor");
|
|
else
|
|
TranslateExpression(ftype, proc, block, fexp, destack, gotos, BranchTarget(), BranchTarget(), &nmapper);
|
|
|
|
InterInstruction* jins = new InterInstruction(MapLocation(exp, inlineMapper), IC_JUMP);
|
|
block->Append(jins);
|
|
|
|
block->Close(nmapper.mReturn, nullptr);
|
|
block = nmapper.mReturn;
|
|
}
|
|
else if (ccdec->mBase->mFlags & DTF_FASTCALL)
|
|
{
|
|
InterInstruction* psins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
|
|
psins->mDst.mType = IT_POINTER;
|
|
psins->mDst.mTemp = proc->AddTemporary(IT_POINTER);
|
|
psins->mDst.mOperandSize = 2;
|
|
psins->mConst.mType = IT_POINTER;
|
|
psins->mConst.mVarIndex = 0;
|
|
psins->mConst.mIntConst = 0;
|
|
psins->mConst.mOperandSize = 2;
|
|
if (ccdec->mBase->mFlags & DTF_FASTCALL)
|
|
{
|
|
psins->mConst.mMemory = IM_FFRAME;
|
|
psins->mConst.mVarIndex += ccdec->mBase->mFastCallBase;
|
|
}
|
|
else
|
|
psins->mConst.mMemory = IM_FRAME;
|
|
block->Append(psins);
|
|
|
|
InterInstruction* ssins = new InterInstruction(MapLocation(exp, inlineMapper), IC_STORE);
|
|
ssins->mSrc[0].mType = IT_POINTER;
|
|
ssins->mSrc[0].mTemp = vl.mTemp;
|
|
ssins->mSrc[0].mMemory = IM_INDIRECT;
|
|
ssins->mSrc[0].mOperandSize = 2;
|
|
ssins->mSrc[1] = psins->mDst;
|
|
block->Append(ssins);
|
|
|
|
InterInstruction* plins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
|
|
plins->mDst.mType = IT_POINTER;
|
|
plins->mDst.mTemp = proc->AddTemporary(IT_POINTER);
|
|
plins->mDst.mOperandSize = 2;
|
|
plins->mConst.mType = IT_POINTER;
|
|
plins->mConst.mVarIndex = 2;
|
|
plins->mConst.mIntConst = 0;
|
|
plins->mConst.mOperandSize = 2;
|
|
if (ccdec->mBase->mFlags & DTF_FASTCALL)
|
|
{
|
|
plins->mConst.mMemory = IM_FFRAME;
|
|
plins->mConst.mVarIndex += ccdec->mBase->mFastCallBase;
|
|
}
|
|
else
|
|
plins->mConst.mMemory = IM_FRAME;
|
|
block->Append(plins);
|
|
|
|
InterInstruction* slins = new InterInstruction(MapLocation(exp, inlineMapper), IC_STORE);
|
|
slins->mSrc[0].mType = IT_POINTER;
|
|
slins->mSrc[0].mTemp = vr.mTemp;
|
|
slins->mSrc[0].mMemory = IM_INDIRECT;
|
|
slins->mSrc[0].mOperandSize = 2;
|
|
slins->mSrc[1] = plins->mDst;
|
|
block->Append(slins);
|
|
|
|
proc->AddCalledFunction(proc->mModule->mProcedures[ccdec->mVarIndex]);
|
|
|
|
InterInstruction* pcins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
|
|
pcins->mDst.mType = IT_POINTER;
|
|
pcins->mDst.mTemp = proc->AddTemporary(IT_POINTER);
|
|
pcins->mConst.mType = IT_POINTER;
|
|
pcins->mConst.mVarIndex = ccdec->mVarIndex;
|
|
pcins->mConst.mIntConst = 0;
|
|
pcins->mConst.mOperandSize = 2;
|
|
pcins->mConst.mMemory = IM_PROCEDURE;
|
|
pcins->mConst.mLinkerObject = ccdec->mLinkerObject;
|
|
block->Append(pcins);
|
|
|
|
InterInstruction* cins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CALL);
|
|
if (ccdec->mFlags & DTF_NATIVE)
|
|
cins->mCode = IC_CALL_NATIVE;
|
|
else
|
|
cins->mCode = IC_CALL;
|
|
cins->mSrc[0] = pcins->mDst;
|
|
cins->mNumOperands = 1;
|
|
|
|
block->Append(cins);
|
|
}
|
|
}
|
|
else
|
|
CopyStructSimple(proc, exp, block, inlineMapper, vl, vr);
|
|
}
|
|
|
|
InterCodeGenerator::ExValue InterCodeGenerator::TranslateExpression(Declaration* procType, InterCodeProcedure* proc, InterCodeBasicBlock*& block, Expression* exp, DestructStack*& destack, GotoNode*& gotos, const BranchTarget& breakBlock, const BranchTarget& continueBlock, InlineMapper* inlineMapper, ExValue* lrexp)
|
|
{
|
|
Declaration* dec;
|
|
ExValue vl, vr;
|
|
|
|
for (;;)
|
|
{
|
|
switch (exp->mType)
|
|
{
|
|
case EX_VOID:
|
|
return ExValue(TheVoidTypeDeclaration);
|
|
|
|
case EX_SEQUENCE:
|
|
case EX_LIST:
|
|
case EX_COMMA:
|
|
if (exp->mLeft)
|
|
vr = TranslateExpression(procType, proc, block, exp->mLeft, destack, gotos, breakBlock, continueBlock, inlineMapper);
|
|
exp = exp->mRight;
|
|
if (!exp)
|
|
return ExValue(TheVoidTypeDeclaration);
|
|
break;
|
|
|
|
case EX_CONSTRUCT:
|
|
{
|
|
if (exp->mLeft->mLeft)
|
|
TranslateExpression(procType, proc, block, exp->mLeft->mLeft, destack, gotos, breakBlock, continueBlock, inlineMapper, lrexp);
|
|
|
|
if (exp->mLeft->mRight)
|
|
{
|
|
DestructStack* de = new DestructStack();
|
|
de->mNext = destack;
|
|
de->mDestruct = exp->mLeft->mRight;
|
|
destack = de;
|
|
}
|
|
|
|
exp = exp->mRight;
|
|
if (!exp)
|
|
return ExValue(TheVoidTypeDeclaration);
|
|
}
|
|
break;
|
|
|
|
case EX_PACK:
|
|
case EX_PACK_TYPE:
|
|
mErrors->Error(exp->mLocation, EERR_INVALID_PACK_USAGE, "Invalid pack usage");
|
|
return ExValue(TheVoidTypeDeclaration);
|
|
|
|
case EX_RESULT:
|
|
{
|
|
if (lrexp)
|
|
return *lrexp;
|
|
|
|
InterInstruction* ains = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
|
|
|
|
if (inlineMapper)
|
|
{
|
|
if (inlineMapper->mResultExp)
|
|
{
|
|
ains->mDst.mTemp = inlineMapper->mResultExp->mTemp;
|
|
}
|
|
else
|
|
{
|
|
ains->mCode = IC_CONSTANT;
|
|
ains->mDst.mType = IT_POINTER;
|
|
ains->mDst.mTemp = proc->AddTemporary(IT_POINTER);
|
|
ains->mConst.mType = IT_POINTER;
|
|
ains->mConst.mOperandSize = procType->mBase->mSize;
|
|
ains->mConst.mIntConst = 0;
|
|
ains->mConst.mVarIndex = inlineMapper->mResult;
|
|
ains->mConst.mMemory = IM_LOCAL;
|
|
block->Append(ains);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
InterInstruction* pins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
|
|
pins->mDst.mType = IT_POINTER;
|
|
pins->mDst.mTemp = proc->AddTemporary(IT_POINTER);
|
|
pins->mConst.mType = IT_POINTER;
|
|
pins->mConst.mVarIndex = 0;
|
|
pins->mConst.mIntConst = 0;
|
|
pins->mConst.mOperandSize = 2;
|
|
if (procType->mFlags & DTF_FASTCALL)
|
|
{
|
|
pins->mConst.mMemory = IM_FPARAM;
|
|
pins->mConst.mVarIndex += procType->mFastCallBase;
|
|
}
|
|
else
|
|
pins->mConst.mMemory = IM_PARAM;
|
|
block->Append(pins);
|
|
|
|
ains->mCode = IC_LOAD;
|
|
ains->mSrc[0].mMemory = IM_INDIRECT;
|
|
ains->mSrc[0].mType = IT_POINTER;
|
|
ains->mSrc[0].mTemp = pins->mDst.mTemp;
|
|
ains->mDst.mType = IT_POINTER;
|
|
ains->mDst.mTemp = proc->AddTemporary(IT_POINTER);
|
|
ains->mNumOperands = 1;
|
|
block->Append(ains);
|
|
}
|
|
|
|
return ExValue(exp->mDecType, ains->mDst.mTemp, 1);
|
|
}
|
|
case EX_CLEANUP:
|
|
{
|
|
vl = TranslateExpression(procType, proc, block, exp->mLeft, destack, gotos, breakBlock, continueBlock, inlineMapper);
|
|
TranslateExpression(procType, proc, block, exp->mRight, destack, gotos, breakBlock, continueBlock, inlineMapper);
|
|
return vl;
|
|
}
|
|
|
|
case EX_CONSTANT:
|
|
dec = exp->mDecValue;
|
|
switch (dec->mType)
|
|
{
|
|
case DT_CONST_INTEGER:
|
|
{
|
|
InterInstruction * ins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
|
|
ins->mDst.mType = InterTypeOf(dec->mBase);
|
|
ins->mDst.mTemp = proc->AddTemporary(ins->mDst.mType);
|
|
ins->mConst.mType = ins->mDst.mType;
|
|
|
|
if (ins->mDst.mType == IT_INT8)
|
|
{
|
|
if (dec->mBase->mFlags & DTF_SIGNED)
|
|
{
|
|
if (dec->mInteger < -128 || dec->mInteger > 127)
|
|
mErrors->Error(dec->mLocation, EWARN_CONSTANT_TRUNCATED, "Integer constant truncated");
|
|
ins->mConst.mIntConst = int8(dec->mInteger);
|
|
}
|
|
else
|
|
{
|
|
if (dec->mInteger < 0 || dec->mInteger > 255)
|
|
mErrors->Error(dec->mLocation, EWARN_CONSTANT_TRUNCATED, "Unsigned integer constant truncated");
|
|
ins->mConst.mIntConst = uint8(dec->mInteger);
|
|
}
|
|
}
|
|
else if (ins->mDst.mType == IT_INT16)
|
|
{
|
|
if (dec->mBase->mFlags & DTF_SIGNED)
|
|
{
|
|
if (dec->mInteger < -32768 || dec->mInteger > 32767)
|
|
mErrors->Error(dec->mLocation, EWARN_CONSTANT_TRUNCATED, "Integer constant truncated");
|
|
ins->mConst.mIntConst = int16(dec->mInteger);
|
|
}
|
|
else
|
|
{
|
|
if (dec->mInteger < 0 || dec->mInteger > 65535)
|
|
mErrors->Error(dec->mLocation, EWARN_CONSTANT_TRUNCATED, "Unsigned integer constant truncated");
|
|
ins->mConst.mIntConst = uint16(dec->mInteger);
|
|
}
|
|
}
|
|
else if (ins->mDst.mType == IT_INT32)
|
|
{
|
|
if (dec->mBase->mFlags & DTF_SIGNED)
|
|
{
|
|
if (dec->mInteger < -2147483648LL || dec->mInteger > 2147483647LL)
|
|
mErrors->Error(dec->mLocation, EWARN_CONSTANT_TRUNCATED, "Integer constant truncated");
|
|
ins->mConst.mIntConst = int32(dec->mInteger);
|
|
}
|
|
else
|
|
{
|
|
if (dec->mInteger < 0 || dec->mInteger > 4294967296LL)
|
|
mErrors->Error(dec->mLocation, EWARN_CONSTANT_TRUNCATED, "Unsigned integer constant truncated");
|
|
ins->mConst.mIntConst = uint32(dec->mInteger);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
ins->mConst.mIntConst = dec->mInteger;
|
|
}
|
|
block->Append(ins);
|
|
return ExValue(dec->mBase, ins->mDst.mTemp);
|
|
|
|
} break;
|
|
|
|
case DT_CONST_FLOAT:
|
|
{
|
|
InterInstruction * ins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
|
|
ins->mDst.mType = InterTypeOf(dec->mBase);
|
|
ins->mDst.mTemp = proc->AddTemporary(ins->mDst.mType);
|
|
ins->mConst.mType = ins->mDst.mType;
|
|
ins->mConst.mFloatConst = dec->mNumber;
|
|
block->Append(ins);
|
|
return ExValue(dec->mBase, ins->mDst.mTemp);
|
|
|
|
} break;
|
|
|
|
case DT_CONST_ADDRESS:
|
|
{
|
|
InterInstruction * ins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
|
|
ins->mDst.mType = IT_POINTER;
|
|
ins->mDst.mTemp = proc->AddTemporary(IT_POINTER);
|
|
ins->mConst.mType = IT_POINTER;
|
|
ins->mConst.mIntConst = dec->mInteger;
|
|
ins->mConst.mMemory = IM_ABSOLUTE;
|
|
block->Append(ins);
|
|
return ExValue(dec->mBase, ins->mDst.mTemp);
|
|
|
|
} break;
|
|
|
|
case DT_CONST_FUNCTION:
|
|
{
|
|
if (!dec->mLinkerObject)
|
|
{
|
|
InterCodeProcedure* cproc = this->TranslateProcedure(proc->mModule, dec->mValue, dec);
|
|
}
|
|
|
|
InterInstruction * ins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
|
|
ins->mDst.mType = InterTypeOf(dec->mBase);
|
|
ins->mDst.mTemp = proc->AddTemporary(ins->mDst.mType);
|
|
ins->mConst.mType = ins->mDst.mType;
|
|
ins->mConst.mVarIndex = dec->mVarIndex;
|
|
ins->mConst.mLinkerObject = dec->mLinkerObject;
|
|
ins->mConst.mMemory = IM_PROCEDURE;
|
|
ins->mConst.mIntConst = 0;
|
|
block->Append(ins);
|
|
return ExValue(dec->mBase, ins->mDst.mTemp);
|
|
|
|
} break;
|
|
|
|
case DT_CONST_ASSEMBLER:
|
|
{
|
|
if (!dec->mLinkerObject)
|
|
TranslateAssembler(proc->mModule, dec->mValue, nullptr);
|
|
|
|
InterInstruction* ins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
|
|
ins->mDst.mType = IT_POINTER;
|
|
ins->mDst.mTemp = proc->AddTemporary(ins->mDst.mType);
|
|
ins->mConst.mType = IT_POINTER;
|
|
ins->mConst.mVarIndex = dec->mVarIndex;
|
|
ins->mConst.mLinkerObject = dec->mLinkerObject;
|
|
ins->mConst.mMemory = IM_PROCEDURE;
|
|
ins->mConst.mIntConst = 0;
|
|
block->Append(ins);
|
|
return ExValue(TheVoidPointerTypeDeclaration, ins->mDst.mTemp);
|
|
}
|
|
|
|
case DT_CONST_POINTER:
|
|
{
|
|
vl = TranslateExpression(procType, proc, block, dec->mValue, destack, gotos, breakBlock, continueBlock, inlineMapper);
|
|
vl.mReference--;
|
|
vl.mType = exp->mDecType;
|
|
return vl;
|
|
}
|
|
case DT_CONST_DATA:
|
|
{
|
|
if (!dec->mLinkerObject)
|
|
{
|
|
dec->mVarIndex = proc->mModule->mGlobalVars.Size();
|
|
InterVariable* var = new InterVariable();
|
|
var->mIndex = dec->mVarIndex;
|
|
var->mIdent = dec->mQualIdent;
|
|
var->mOffset = 0;
|
|
var->mSize = dec->mSize;
|
|
var->mLinkerObject = mLinker->AddObject(dec->mLocation, dec->mQualIdent, dec->mSection, LOT_DATA, dec->mAlignment);
|
|
var->mLinkerObject->mVariable = var;
|
|
|
|
if (dec->mBase->mFlags & DTF_CONST)
|
|
var->mLinkerObject->mFlags |= LOBJF_CONST;
|
|
else if ((dec->mFlags & DTF_VAR_ALIASING) || dec->mBase->mType == DT_TYPE_ARRAY)
|
|
var->mAliased = true;
|
|
var->mLinkerObject->AddData(dec->mData, dec->mSize);
|
|
|
|
LinkerObject* aobj = mLinker->FindSame(var->mLinkerObject);
|
|
if (aobj)
|
|
var->mLinkerObject = aobj;
|
|
|
|
dec->mLinkerObject = var->mLinkerObject;
|
|
proc->mModule->mGlobalVars.Push(var);
|
|
}
|
|
|
|
InterInstruction * ins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
|
|
ins->mDst.mType = IT_POINTER;
|
|
ins->mDst.mTemp = proc->AddTemporary(IT_POINTER);
|
|
ins->mConst.mType = IT_POINTER;
|
|
ins->mConst.mIntConst = 0;
|
|
ins->mConst.mVarIndex = dec->mVarIndex;
|
|
assert(dec->mVarIndex >= 0);
|
|
ins->mConst.mLinkerObject = dec->mLinkerObject;
|
|
ins->mConst.mMemory = IM_GLOBAL;
|
|
block->Append(ins);
|
|
return ExValue(dec->mBase, ins->mDst.mTemp, 1);
|
|
}
|
|
|
|
case DT_CONST_STRUCT:
|
|
{
|
|
if (!dec->mLinkerObject)
|
|
{
|
|
InterVariable * var = new InterVariable();
|
|
var->mOffset = 0;
|
|
var->mSize = dec->mSize;
|
|
if (dec->mFlags & DTF_VAR_ALIASING)
|
|
var->mAliased = true;
|
|
var->mLinkerObject = mLinker->AddObject(dec->mLocation, dec->mQualIdent, dec->mSection, LOT_DATA, dec->mAlignment);
|
|
var->mLinkerObject->mVariable = var;
|
|
dec->mLinkerObject = var->mLinkerObject;
|
|
var->mIdent = dec->mQualIdent;
|
|
var->mDeclaration = dec;
|
|
dec->mVarIndex = proc->mModule->mGlobalVars.Size();
|
|
var->mIndex = dec->mVarIndex;
|
|
proc->mModule->mGlobalVars.Push(var);
|
|
|
|
uint8* d = var->mLinkerObject->AddSpace(dec->mSize);;
|
|
|
|
BuildInitializer(proc->mModule, d, 0, dec, var);
|
|
}
|
|
|
|
InterInstruction * ins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
|
|
ins->mDst.mType = IT_POINTER;
|
|
ins->mDst.mTemp = proc->AddTemporary(IT_POINTER);
|
|
ins->mConst.mType = IT_POINTER;
|
|
ins->mConst.mIntConst = 0;
|
|
ins->mConst.mVarIndex = dec->mVarIndex;
|
|
assert(dec->mVarIndex >= 0);
|
|
ins->mConst.mLinkerObject = dec->mLinkerObject;
|
|
ins->mConst.mMemory = IM_GLOBAL;
|
|
block->Append(ins);
|
|
return ExValue(dec->mBase, ins->mDst.mTemp, 1);
|
|
}
|
|
|
|
default:
|
|
mErrors->Error(dec->mLocation, EERR_CONSTANT_TYPE, "Unimplemented constant type");
|
|
}
|
|
|
|
return ExValue(TheVoidTypeDeclaration);
|
|
|
|
case EX_VARIABLE:
|
|
{
|
|
dec = exp->mDecValue;
|
|
|
|
InterInstruction * ins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
|
|
ins->mDst.mType = IT_POINTER;
|
|
ins->mDst.mTemp = proc->AddTemporary(ins->mDst.mType);
|
|
ins->mConst.mType = IT_POINTER;
|
|
ins->mConst.mOperandSize = dec->mSize;
|
|
ins->mConst.mIntConst = dec->mOffset;
|
|
|
|
int lbits = dec->mBits, lshift = dec->mShift;
|
|
|
|
if (dec->mType == DT_VARIABLE_REF)
|
|
dec = dec->mBase;
|
|
|
|
ins->mConst.mVarIndex = dec->mVarIndex;
|
|
|
|
int ref = 1;
|
|
if (dec->mType == DT_ARGUMENT)
|
|
{
|
|
if (dec->mFlags & DTF_FPARAM_UNUSED)
|
|
{
|
|
ins->mConst.mMemory = IM_LOCAL;
|
|
if (inlineMapper)
|
|
ins->mConst.mVarIndex += inlineMapper->mVarIndex;
|
|
InitLocalVariable(proc, dec, ins->mConst.mVarIndex);
|
|
proc->mCheckUnreachable = false;
|
|
}
|
|
else if (inlineMapper)
|
|
{
|
|
ins->mConst.mMemory = IM_LOCAL;
|
|
ins->mConst.mVarIndex = inlineMapper->mParams[dec->mVarIndex];
|
|
InitLocalVariable(proc, dec, ins->mConst.mVarIndex);
|
|
}
|
|
else if (procType->mFlags & DTF_FASTCALL)
|
|
{
|
|
ins->mConst.mMemory = IM_FPARAM;
|
|
// ins->mConst.mVarIndex += procType->mFastCallBase;
|
|
InitParameter(proc, dec, ins->mConst.mVarIndex);
|
|
}
|
|
else
|
|
{
|
|
ins->mConst.mMemory = IM_PARAM;
|
|
InitParameter(proc, dec, ins->mConst.mVarIndex);
|
|
}
|
|
|
|
if (dec->mBase->mType == DT_TYPE_ARRAY)
|
|
{
|
|
ref = 2;
|
|
ins->mConst.mOperandSize = 2;
|
|
}
|
|
}
|
|
else if (dec->mType == DT_CONST_STRUCT || (dec->mFlags & DTF_GLOBAL))
|
|
{
|
|
InitGlobalVariable(proc->mModule, dec);
|
|
ins->mConst.mMemory = IM_GLOBAL;
|
|
ins->mConst.mLinkerObject = dec->mLinkerObject;
|
|
ins->mConst.mVarIndex = dec->mVarIndex;
|
|
assert(dec->mVarIndex >= 0);
|
|
}
|
|
else
|
|
{
|
|
if (inlineMapper)
|
|
ins->mConst.mVarIndex += inlineMapper->mVarIndex;
|
|
|
|
InitLocalVariable(proc, dec, ins->mConst.mVarIndex);
|
|
|
|
ins->mConst.mMemory = IM_LOCAL;
|
|
}
|
|
|
|
block->Append(ins);
|
|
|
|
if (!(dec->mBase->mFlags & DTF_DEFINED))
|
|
mErrors->Error(dec->mLocation, EERR_VARIABLE_TYPE, "Undefined variable type for", dec->mQualIdent);
|
|
|
|
if (exp->mDecType->IsReference())
|
|
return ExValue(exp->mDecType->mBase, ins->mDst.mTemp, ref + 1);
|
|
else
|
|
return ExValue(exp->mDecType, ins->mDst.mTemp, ref, lbits, lshift);
|
|
}
|
|
|
|
|
|
case EX_ASSIGNMENT:
|
|
case EX_INITIALIZATION:
|
|
{
|
|
if (exp->mLeft->mDecType && exp->mLeft->mDecType->mType == DT_TYPE_STRUCT)
|
|
{
|
|
vl = TranslateExpression(procType, proc, block, exp->mLeft, destack, gotos, breakBlock, continueBlock, inlineMapper);
|
|
vr = TranslateExpression(procType, proc, block, exp->mRight, destack, gotos, breakBlock, continueBlock, inlineMapper, &vl);
|
|
}
|
|
else if (exp->mType == EX_INITIALIZATION && exp->mLeft->mDecType && exp->mLeft->mDecType->IsReference())
|
|
{
|
|
vr = TranslateExpression(procType, proc, block, exp->mRight, destack, gotos, breakBlock, continueBlock, inlineMapper);
|
|
vl = TranslateExpression(procType, proc, block, exp->mLeft, destack, gotos, breakBlock, continueBlock, inlineMapper);
|
|
vl.mType = exp->mLeft->mDecType;
|
|
}
|
|
else
|
|
{
|
|
vr = TranslateExpression(procType, proc, block, exp->mRight, destack, gotos, breakBlock, continueBlock, inlineMapper);
|
|
vl = TranslateExpression(procType, proc, block, exp->mLeft, destack, gotos, breakBlock, continueBlock, inlineMapper);
|
|
}
|
|
|
|
if (exp->mType == EX_ASSIGNMENT)
|
|
{
|
|
vl = ToValue(proc, exp, block, inlineMapper, vl);
|
|
vr = ToValue(proc, exp, block, inlineMapper, vr);
|
|
}
|
|
|
|
if (exp->mToken == TK_ASSIGN || !(vl.mType->mType == DT_TYPE_POINTER && vr.mType->IsIntegerType() && (exp->mToken == TK_ASSIGN_ADD || exp->mToken == TK_ASSIGN_SUB)))
|
|
{
|
|
if (!vl.mType->CanAssign(vr.mType))
|
|
{
|
|
vl.mType->CanAssign(vr.mType);
|
|
mErrors->Error(exp->mLocation, EERR_INCOMPATIBLE_TYPES, "Cannot assign incompatible types", vl.mType->MangleIdent(), vr.mType->MangleIdent());
|
|
}
|
|
}
|
|
|
|
if (exp->mType != EX_INITIALIZATION && (vl.mType->mFlags & DTF_CONST))
|
|
mErrors->Error(exp->mLocation, EERR_CONST_ASSIGN, "Cannot assign to const type");
|
|
|
|
if (exp->mType == EX_INITIALIZATION && exp->mRight->mType == EX_CONSTANT && exp->mRight->mDecValue && exp->mRight->mDecValue->mLinkerObject)
|
|
{
|
|
if (!(exp->mRight->mDecValue->mFlags & DTF_VAR_ALIASING))
|
|
exp->mRight->mDecValue->mLinkerObject->mFlags |= LOBJF_CONST;
|
|
}
|
|
|
|
|
|
if (vl.mType->IsReference())
|
|
{
|
|
if (vr.mType->IsReference())
|
|
vr = Dereference(proc, exp, block, inlineMapper, vr, 0);
|
|
else
|
|
{
|
|
vr = Dereference(proc, exp, block, inlineMapper, vr, 1);
|
|
if (vr.mReference != 1)
|
|
mErrors->Error(exp->mLeft->mLocation, EERR_NOT_AN_LVALUE, "Not an addressable expression");
|
|
}
|
|
|
|
vl = Dereference(proc, exp, block, inlineMapper, vl, 2);
|
|
|
|
if (vl.mReference != 2)
|
|
mErrors->Error(exp->mLeft->mLocation, EERR_NOT_AN_LVALUE, "Not a left hand reference expression");
|
|
|
|
if (vr.mTemp != vl.mTemp)
|
|
{
|
|
InterInstruction* ins = new InterInstruction(MapLocation(exp, inlineMapper), IC_STORE);
|
|
ins->mSrc[0].mType = IT_POINTER;
|
|
ins->mSrc[0].mTemp = vr.mTemp;
|
|
ins->mSrc[0].mMemory = IM_INDIRECT;
|
|
ins->mSrc[0].mOperandSize = 2;
|
|
ins->mSrc[0].mStride = vr.mType->mStripe;
|
|
|
|
ins->mSrc[1].mType = IT_POINTER;
|
|
ins->mSrc[1].mTemp = vl.mTemp;
|
|
ins->mSrc[1].mMemory = IM_INDIRECT;
|
|
ins->mSrc[1].mOperandSize = 2;
|
|
ins->mSrc[1].mStride = vl.mType->mStripe;
|
|
ins->mNumOperands = 2;
|
|
|
|
block->Append(ins);
|
|
}
|
|
}
|
|
else if (vl.mType->mType == DT_TYPE_STRUCT || vl.mType->mType == DT_TYPE_ARRAY || vl.mType->mType == DT_TYPE_UNION)
|
|
{
|
|
vr = ToValue(proc, exp, block, inlineMapper, vr);
|
|
|
|
vr = Dereference(proc, exp, block, inlineMapper, vr, 1);
|
|
vl = Dereference(proc, exp, block, inlineMapper, vl, 1);
|
|
|
|
if (vl.mReference != 1)
|
|
mErrors->Error(exp->mLeft->mLocation, EERR_NOT_AN_LVALUE, "Not a left hand expression");
|
|
if (vr.mReference != 1)
|
|
mErrors->Error(exp->mLeft->mLocation, EERR_NOT_AN_LVALUE, "Not an addressable expression");
|
|
|
|
if (vr.mTemp != vl.mTemp)
|
|
CopyStructSimple(proc, exp, block, inlineMapper, vl, vr);
|
|
}
|
|
else
|
|
{
|
|
vr = ToValue(proc, exp, block, inlineMapper, vr);
|
|
|
|
if (vl.mType->mType == DT_TYPE_POINTER && (vr.mType->mType == DT_TYPE_ARRAY || vr.mType->mType == DT_TYPE_FUNCTION))
|
|
{
|
|
vr = Dereference(proc, exp, block, inlineMapper, vr, 1);
|
|
vr.mReference = 0;
|
|
vr.mType = vl.mType;
|
|
}
|
|
else
|
|
vr = Dereference(proc, exp, block, inlineMapper, vr);
|
|
|
|
vl = Dereference(proc, exp, block, inlineMapper, vl, 1);
|
|
|
|
if (vl.mReference != 1)
|
|
mErrors->Error(exp->mLeft->mLocation, EERR_NOT_AN_LVALUE, "Not a left hand expression");
|
|
|
|
if (exp->mToken != TK_ASSIGN)
|
|
{
|
|
ExValue vll = Dereference(proc, exp, block, inlineMapper, vl);
|
|
|
|
if (vl.mType->mType == DT_TYPE_POINTER)
|
|
{
|
|
InterInstruction * cins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
|
|
cins->mConst.mType = IT_INT16;
|
|
|
|
if (exp->mToken == TK_ASSIGN_ADD)
|
|
{
|
|
cins->mConst.mIntConst = vl.mType->Stride();
|
|
}
|
|
else if (exp->mToken == TK_ASSIGN_SUB)
|
|
{
|
|
cins->mConst.mIntConst = -vl.mType->Stride();
|
|
}
|
|
else
|
|
mErrors->Error(exp->mLocation, EERR_INCOMPATIBLE_OPERATOR, "Invalid pointer assignment");
|
|
|
|
if (!vr.mType->IsIntegerType())
|
|
mErrors->Error(exp->mLocation, EERR_INCOMPATIBLE_TYPES, "Invalid argument for pointer inc/dec", vr.mType->MangleIdent());
|
|
|
|
cins->mDst.mType = IT_INT16;
|
|
cins->mDst.mTemp = proc->AddTemporary(cins->mDst.mType);
|
|
block->Append(cins);
|
|
|
|
vr = CoerceType(proc, exp, block, inlineMapper, vr, TheSignedIntTypeDeclaration);
|
|
|
|
InterInstruction * mins = new InterInstruction(MapLocation(exp, inlineMapper), IC_BINARY_OPERATOR);
|
|
mins->mOperator = IA_MUL;
|
|
mins->mSrc[0].mType = IT_INT16;
|
|
mins->mSrc[0].mTemp = vr.mTemp;
|
|
mins->mSrc[1].mType = IT_INT16;
|
|
mins->mSrc[1].mTemp = cins->mDst.mTemp;
|
|
mins->mDst.mType = IT_INT16;
|
|
mins->mDst.mTemp = proc->AddTemporary(mins->mDst.mType);
|
|
block->Append(mins);
|
|
|
|
InterInstruction * ains = new InterInstruction(MapLocation(exp, inlineMapper), IC_LEA);
|
|
ains->mSrc[1].mMemory = IM_INDIRECT;
|
|
ains->mSrc[0].mType = IT_INT16;
|
|
ains->mSrc[0].mTemp = mins->mDst.mTemp;
|
|
ains->mSrc[1].mType = IT_POINTER;
|
|
ains->mSrc[1].mTemp = vll.mTemp;
|
|
ains->mDst.mType = IT_POINTER;
|
|
ains->mDst.mTemp = proc->AddTemporary(ains->mDst.mType);
|
|
block->Append(ains);
|
|
|
|
vr.mTemp = ains->mDst.mTemp;
|
|
vr.mType = vll.mType;
|
|
}
|
|
else
|
|
{
|
|
Declaration * otype = vll.mType;
|
|
#if 1
|
|
if ((exp->mRight->mType != EX_CONSTANT || (exp->mToken != TK_ASSIGN_ADD && exp->mToken != TK_ASSIGN_SUB && exp->mToken != TK_ASSIGN_AND && exp->mToken != TK_ASSIGN_OR)) && otype->mSize < 2)
|
|
#else
|
|
if (otype->mSize < 2)
|
|
#endif
|
|
{
|
|
if ((vll.mType->mFlags | vr.mType->mFlags) & DTF_SIGNED)
|
|
otype = TheSignedIntTypeDeclaration;
|
|
else
|
|
otype = TheUnsignedIntTypeDeclaration;
|
|
vll = CoerceType(proc, exp, block, inlineMapper, vll, otype);
|
|
}
|
|
|
|
vr = CoerceType(proc, exp, block, inlineMapper, vr, otype, exp->mToken != TK_ASSIGN_AND);
|
|
|
|
InterInstruction * oins = new InterInstruction(MapLocation(exp, inlineMapper), IC_BINARY_OPERATOR);
|
|
oins->mSrc[0].mType = InterTypeOf(otype);
|
|
oins->mSrc[0].mTemp = vr.mTemp;
|
|
oins->mSrc[1].mType = InterTypeOf(otype);
|
|
oins->mSrc[1].mTemp = vll.mTemp;
|
|
oins->mDst.mType = InterTypeOf(otype);
|
|
oins->mDst.mTemp = proc->AddTemporary(oins->mDst.mType);
|
|
|
|
if (!vll.mType->IsNumericType())
|
|
mErrors->Error(exp->mLocation, EERR_INCOMPATIBLE_OPERATOR, "Left hand element type is not numeric");
|
|
if (!vr.mType->IsNumericType())
|
|
mErrors->Error(exp->mLocation, EERR_INCOMPATIBLE_OPERATOR, "Right hand element type is not numeric");
|
|
|
|
switch (exp->mToken)
|
|
{
|
|
case TK_ASSIGN_ADD:
|
|
oins->mOperator = IA_ADD;
|
|
break;
|
|
case TK_ASSIGN_SUB:
|
|
oins->mOperator = IA_SUB;
|
|
break;
|
|
case TK_ASSIGN_MUL:
|
|
oins->mOperator = IA_MUL;
|
|
break;
|
|
case TK_ASSIGN_DIV:
|
|
if (vll.mType->mFlags & DTF_SIGNED)
|
|
oins->mOperator = IA_DIVS;
|
|
else
|
|
oins->mOperator = IA_DIVU;
|
|
break;
|
|
case TK_ASSIGN_MOD:
|
|
if (vll.mType->mFlags & DTF_SIGNED)
|
|
oins->mOperator = IA_MODS;
|
|
else
|
|
oins->mOperator = IA_MODU;
|
|
break;
|
|
case TK_ASSIGN_SHL:
|
|
oins->mOperator = IA_SHL;
|
|
break;
|
|
case TK_ASSIGN_SHR:
|
|
if (vll.mType->mFlags & DTF_SIGNED)
|
|
oins->mOperator = IA_SAR;
|
|
else
|
|
oins->mOperator = IA_SHR;
|
|
break;
|
|
case TK_ASSIGN_AND:
|
|
oins->mOperator = IA_AND;
|
|
break;
|
|
case TK_ASSIGN_XOR:
|
|
oins->mOperator = IA_XOR;
|
|
break;
|
|
case TK_ASSIGN_OR:
|
|
oins->mOperator = IA_OR;
|
|
break;
|
|
}
|
|
|
|
vr.mTemp = oins->mDst.mTemp;
|
|
vr.mType = otype;
|
|
|
|
block->Append(oins);
|
|
|
|
vr = CoerceType(proc, exp, block, inlineMapper, vr, vl.mType);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
vr = CoerceType(proc, exp, block, inlineMapper, vr, vl.mType);
|
|
}
|
|
|
|
StoreValue(proc, exp, block, inlineMapper, vl, vr);
|
|
}
|
|
}
|
|
|
|
return vl;
|
|
|
|
case EX_INDEX:
|
|
{
|
|
vl = TranslateExpression(procType, proc, block, exp->mLeft, destack, gotos, breakBlock, continueBlock, inlineMapper);
|
|
vr = TranslateExpression(procType, proc, block, exp->mRight, destack, gotos, breakBlock, continueBlock, inlineMapper);
|
|
|
|
vl = ToValue(proc, exp, block, inlineMapper, vl);
|
|
vr = ToValue(proc, exp, block, inlineMapper, vr);
|
|
|
|
int stride = vl.mType->Stride();
|
|
|
|
if (vl.mType->mType == DT_TYPE_ARRAY && exp->mRight->mType == EX_CONSTANT && exp->mRight->mDecValue->mType == DT_CONST_INTEGER)
|
|
{
|
|
if (vl.mType->mFlags & DTF_DEFINED)
|
|
{
|
|
int64 index = exp->mRight->mDecValue->mInteger;
|
|
if (vl.mType->mSize > 0 && (index < 0 || index * stride >= vl.mType->mSize * vl.mType->mStripe))
|
|
mErrors->Error(exp->mLocation, EWARN_INDEX_OUT_OF_BOUNDS, "Constant array index out of bounds");
|
|
}
|
|
}
|
|
|
|
vl = Dereference(proc, exp, block, inlineMapper, vl, vl.mType->mType == DT_TYPE_POINTER ? 0 : 1);
|
|
vr = Dereference(proc, exp, block, inlineMapper, vr);
|
|
|
|
if (vl.mType->mType != DT_TYPE_ARRAY && vl.mType->mType != DT_TYPE_POINTER)
|
|
{
|
|
mErrors->Error(exp->mLocation, EERR_INVALID_INDEX, "Invalid type for indexing");
|
|
return ExValue(TheConstVoidTypeDeclaration, -1);
|
|
}
|
|
|
|
if (!vr.mType->IsIntegerType())
|
|
mErrors->Error(exp->mLocation, EERR_INVALID_INDEX, "Index operand is not integral number");
|
|
|
|
vr = CoerceType(proc, exp, block, inlineMapper, vr, TheSignedIntTypeDeclaration);
|
|
|
|
InterInstruction * cins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
|
|
cins->mConst.mType = IT_INT16;
|
|
cins->mConst.mIntConst = stride;
|
|
cins->mDst.mType = IT_INT16;
|
|
cins->mDst.mTemp = proc->AddTemporary(cins->mDst.mType);
|
|
block->Append(cins);
|
|
|
|
InterInstruction * mins = new InterInstruction(MapLocation(exp, inlineMapper), IC_BINARY_OPERATOR);
|
|
mins->mOperator = IA_MUL;
|
|
mins->mSrc[0].mType = IT_INT16;
|
|
mins->mSrc[0].mTemp = vr.mTemp;
|
|
mins->mSrc[1].mType = IT_INT16;
|
|
mins->mSrc[1].mTemp = cins->mDst.mTemp;
|
|
mins->mDst.mType = IT_INT16;
|
|
mins->mDst.mTemp = proc->AddTemporary(mins->mDst.mType);
|
|
block->Append(mins);
|
|
|
|
InterInstruction * ains = new InterInstruction(MapLocation(exp, inlineMapper), IC_LEA);
|
|
ains->mSrc[1].mMemory = IM_INDIRECT;
|
|
ains->mSrc[0].mType = IT_INT16;
|
|
ains->mSrc[0].mTemp = mins->mDst.mTemp;
|
|
ains->mSrc[1].mType = IT_POINTER;
|
|
ains->mSrc[1].mTemp = vl.mTemp;
|
|
ains->mDst.mType = IT_POINTER;
|
|
ains->mDst.mTemp = proc->AddTemporary(ains->mDst.mType);
|
|
block->Append(ains);
|
|
|
|
return ExValue(vl.mType->mBase, ains->mDst.mTemp, 1);
|
|
}
|
|
|
|
case EX_QUALIFY:
|
|
{
|
|
vl = TranslateExpression(procType, proc, block, exp->mLeft, destack, gotos, breakBlock, continueBlock, inlineMapper);
|
|
|
|
vl = ToValue(proc, exp, block, inlineMapper, vl);
|
|
|
|
vl = Dereference(proc, exp, block, inlineMapper, vl, 1);
|
|
|
|
if (vl.mReference != 1)
|
|
mErrors->Error(exp->mLocation, EERR_NOT_AN_LVALUE, "Not an addressable expression");
|
|
|
|
InterInstruction * cins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
|
|
cins->mConst.mType = IT_INT16;
|
|
cins->mConst.mIntConst = exp->mDecValue->mOffset;
|
|
cins->mDst.mType = IT_INT16;
|
|
cins->mDst.mTemp = proc->AddTemporary(cins->mDst.mType);
|
|
block->Append(cins);
|
|
|
|
InterInstruction * ains = new InterInstruction(MapLocation(exp, inlineMapper), IC_LEA);
|
|
ains->mSrc[1].mMemory = IM_INDIRECT;
|
|
ains->mSrc[0].mType = IT_INT16;
|
|
ains->mSrc[0].mTemp = cins->mDst.mTemp;
|
|
ains->mSrc[1].mType = IT_POINTER;
|
|
ains->mSrc[1].mTemp = vl.mTemp;
|
|
ains->mDst.mType = IT_POINTER;
|
|
ains->mDst.mTemp = proc->AddTemporary(ains->mDst.mType);
|
|
block->Append(ains);
|
|
|
|
if (exp->mDecType->IsReference())
|
|
return ExValue(exp->mDecType->mBase, ains->mDst.mTemp, 2);
|
|
else
|
|
return ExValue(exp->mDecType, ains->mDst.mTemp, 1, exp->mDecValue->mBits, exp->mDecValue->mShift);
|
|
}
|
|
|
|
case EX_BINARY:
|
|
{
|
|
vl = TranslateExpression(procType, proc, block, exp->mLeft, destack, gotos, breakBlock, continueBlock, inlineMapper);
|
|
vr = TranslateExpression(procType, proc, block, exp->mRight, destack, gotos, breakBlock, continueBlock, inlineMapper);
|
|
|
|
vl = ToValue(proc, exp, block, inlineMapper, vl);
|
|
vr = ToValue(proc, exp, block, inlineMapper, vr);
|
|
|
|
InterInstruction * ins = new InterInstruction(MapLocation(exp, inlineMapper), IC_BINARY_OPERATOR);
|
|
|
|
if (vl.mType->mType == DT_TYPE_POINTER || vl.mType->mType == DT_TYPE_ARRAY)
|
|
{
|
|
if (vl.mType->mType == DT_TYPE_POINTER)
|
|
vl = Dereference(proc, exp, block, inlineMapper, vl);
|
|
else
|
|
{
|
|
vl = Dereference(proc, exp, block, inlineMapper, vl, 1);
|
|
|
|
Declaration* ptype = new Declaration(exp->mLocation, DT_TYPE_POINTER);
|
|
ptype->mBase = vl.mType->mBase;
|
|
ptype->mSize = 2;
|
|
ptype->mStride = vl.mType->mStride;
|
|
vl.mReference = 0;
|
|
vl.mType = exp->mDecType; // ptype;
|
|
}
|
|
|
|
if (vr.mType->mType == DT_TYPE_POINTER)
|
|
vr = Dereference(proc, exp, block, inlineMapper, vr);
|
|
else if (vr.mType->mType == DT_TYPE_ARRAY)
|
|
{
|
|
vr = Dereference(proc, exp, block, inlineMapper, vr, 1);
|
|
|
|
Declaration* ptype = new Declaration(exp->mLocation, DT_TYPE_POINTER);
|
|
ptype->mBase = vr.mType->mBase;
|
|
ptype->mSize = 2;
|
|
ptype->mStride = vr.mType->mStride;
|
|
vr.mReference = 0;
|
|
vr.mType = ptype;
|
|
}
|
|
else
|
|
vr = Dereference(proc, exp, block, inlineMapper, vr);
|
|
|
|
if (vr.mType->IsIntegerType())
|
|
{
|
|
InterInstruction * cins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
|
|
cins->mConst.mType = IT_INT16;
|
|
|
|
if (exp->mToken == TK_ADD)
|
|
{
|
|
cins->mConst.mIntConst = vl.mType->Stride();
|
|
}
|
|
else if (exp->mToken == TK_SUB)
|
|
{
|
|
cins->mConst.mIntConst = -vl.mType->Stride();
|
|
}
|
|
else
|
|
mErrors->Error(exp->mLocation, EERR_INCOMPATIBLE_OPERATOR, "Invalid pointer operation");
|
|
|
|
cins->mDst.mType = IT_INT16;
|
|
cins->mDst.mTemp = proc->AddTemporary(cins->mDst.mType);
|
|
block->Append(cins);
|
|
|
|
vr = CoerceType(proc, exp, block, inlineMapper, vr, TheSignedIntTypeDeclaration);
|
|
|
|
InterInstruction * mins = new InterInstruction(MapLocation(exp, inlineMapper), IC_BINARY_OPERATOR);
|
|
mins->mCode = IC_BINARY_OPERATOR;
|
|
mins->mOperator = IA_MUL;
|
|
mins->mSrc[0].mType = IT_INT16;
|
|
mins->mSrc[0].mTemp = vr.mTemp;
|
|
mins->mSrc[1].mType = IT_INT16;
|
|
mins->mSrc[1].mTemp = cins->mDst.mTemp;
|
|
mins->mDst.mType = IT_INT16;
|
|
mins->mDst.mTemp = proc->AddTemporary(mins->mDst.mType);
|
|
block->Append(mins);
|
|
|
|
ins->mCode = IC_LEA;
|
|
ins->mSrc[1].mMemory = IM_INDIRECT;
|
|
ins->mSrc[0].mType = IT_INT16;
|
|
ins->mSrc[0].mTemp = mins->mDst.mTemp;
|
|
ins->mSrc[1].mType = IT_POINTER;
|
|
ins->mSrc[1].mTemp = vl.mTemp;
|
|
ins->mDst.mType = IT_POINTER;
|
|
ins->mDst.mTemp = proc->AddTemporary(ins->mDst.mType);
|
|
block->Append(ins);
|
|
}
|
|
else if (vr.mType->mType == DT_TYPE_POINTER && vr.mType->mBase->IsConstSame(vl.mType->mBase))
|
|
{
|
|
if (exp->mToken == TK_SUB)
|
|
{
|
|
InterInstruction * clins = new InterInstruction(MapLocation(exp, inlineMapper), IC_TYPECAST), * crins = new InterInstruction(MapLocation(exp, inlineMapper), IC_TYPECAST);
|
|
clins->mSrc[0].mTemp = vl.mTemp;
|
|
clins->mSrc[0].mType = IT_POINTER;
|
|
clins->mDst.mType = IT_INT16;
|
|
clins->mDst.mTemp = proc->AddTemporary(clins->mDst.mType);
|
|
block->Append(clins);
|
|
|
|
crins->mSrc[0].mTemp = vr.mTemp;
|
|
crins->mSrc[0].mType = IT_POINTER;
|
|
crins->mDst.mType = IT_INT16;
|
|
crins->mDst.mTemp = proc->AddTemporary(crins->mDst.mType);
|
|
block->Append(crins);
|
|
|
|
int s = vl.mType->Stride();
|
|
bool binary = !(s & (s - 1));
|
|
if (binary)
|
|
{
|
|
int n = 0;
|
|
while (s > 1)
|
|
{
|
|
s >>= 1;
|
|
n++;
|
|
}
|
|
s = n;
|
|
}
|
|
|
|
InterInstruction * cins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
|
|
cins->mConst.mType = IT_INT16;
|
|
cins->mConst.mIntConst = s;
|
|
cins->mDst.mType = IT_INT16;
|
|
cins->mDst.mTemp = proc->AddTemporary(cins->mDst.mType);
|
|
block->Append(cins);
|
|
|
|
InterInstruction * sins = new InterInstruction(MapLocation(exp, inlineMapper), IC_BINARY_OPERATOR), * dins = new InterInstruction(MapLocation(exp, inlineMapper), IC_BINARY_OPERATOR);
|
|
sins->mOperator = IA_SUB;
|
|
sins->mSrc[0].mType = IT_INT16;
|
|
sins->mSrc[0].mTemp = crins->mDst.mTemp;
|
|
sins->mSrc[1].mType = IT_INT16;
|
|
sins->mSrc[1].mTemp = clins->mDst.mTemp;
|
|
sins->mDst.mType = IT_INT16;
|
|
sins->mDst.mTemp = proc->AddTemporary(sins->mDst.mType);
|
|
block->Append(sins);
|
|
|
|
dins->mOperator = binary ? IA_SAR : IA_DIVS;
|
|
dins->mSrc[0].mType = IT_INT16;
|
|
dins->mSrc[0].mTemp = cins->mDst.mTemp;
|
|
dins->mSrc[1].mType = IT_INT16;
|
|
dins->mSrc[1].mTemp = sins->mDst.mTemp;
|
|
dins->mDst.mType = IT_INT16;
|
|
dins->mDst.mTemp = proc->AddTemporary(dins->mDst.mType);
|
|
block->Append(dins);
|
|
|
|
return ExValue(TheSignedIntTypeDeclaration, dins->mDst.mTemp);
|
|
}
|
|
else
|
|
mErrors->Error(exp->mLocation, EERR_INCOMPATIBLE_OPERATOR, "Invalid pointer operation");
|
|
}
|
|
else
|
|
mErrors->Error(exp->mLocation, EERR_INCOMPATIBLE_OPERATOR, "Invalid pointer operation");
|
|
}
|
|
else if (vr.mType->mType == DT_TYPE_POINTER || vr.mType->mType == DT_TYPE_ARRAY)
|
|
{
|
|
if (vr.mType->mType == DT_TYPE_POINTER)
|
|
vr = Dereference(proc, exp, block, inlineMapper, vr);
|
|
else
|
|
{
|
|
vr = Dereference(proc, exp, block, inlineMapper, vr, 1);
|
|
|
|
Declaration* ptype = new Declaration(exp->mLocation, DT_TYPE_POINTER);
|
|
ptype->mBase = vr.mType->mBase;
|
|
ptype->mSize = 2;
|
|
vr.mType = ptype;
|
|
}
|
|
|
|
if (vl.mType->IsIntegerType())
|
|
{
|
|
InterInstruction* cins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
|
|
cins->mConst.mType = IT_INT16;
|
|
|
|
if (exp->mToken == TK_ADD)
|
|
{
|
|
cins->mConst.mIntConst = vr.mType->Stride();
|
|
}
|
|
else
|
|
mErrors->Error(exp->mLocation, EERR_INCOMPATIBLE_OPERATOR, "Invalid pointer operation");
|
|
|
|
cins->mDst.mType = IT_INT16;
|
|
cins->mDst.mTemp = proc->AddTemporary(cins->mDst.mType);
|
|
block->Append(cins);
|
|
|
|
vl = CoerceType(proc, exp, block, inlineMapper, vl, TheSignedIntTypeDeclaration);
|
|
|
|
InterInstruction* mins = new InterInstruction(MapLocation(exp, inlineMapper), IC_BINARY_OPERATOR);
|
|
mins->mOperator = IA_MUL;
|
|
mins->mSrc[0].mType = IT_INT16;
|
|
mins->mSrc[0].mTemp = vl.mTemp;
|
|
mins->mSrc[1].mType = IT_INT16;
|
|
mins->mSrc[1].mTemp = cins->mDst.mTemp;
|
|
mins->mDst.mType = IT_INT16;
|
|
mins->mDst.mTemp = proc->AddTemporary(mins->mDst.mType);
|
|
block->Append(mins);
|
|
|
|
ins->mCode = IC_LEA;
|
|
ins->mSrc[1].mMemory = IM_INDIRECT;
|
|
ins->mSrc[0].mType = IT_INT16;
|
|
ins->mSrc[0].mTemp = mins->mDst.mTemp;
|
|
ins->mSrc[1].mType = IT_POINTER;
|
|
ins->mSrc[1].mTemp = vr.mTemp;
|
|
ins->mDst.mType = IT_POINTER;
|
|
ins->mDst.mTemp = proc->AddTemporary(ins->mDst.mType);
|
|
block->Append(ins);
|
|
|
|
vl = vr;
|
|
}
|
|
else
|
|
mErrors->Error(exp->mLocation, EERR_INCOMPATIBLE_OPERATOR, "Invalid pointer operation");
|
|
}
|
|
else
|
|
{
|
|
vl = Dereference(proc, exp, block, inlineMapper, vl);
|
|
vr = Dereference(proc, exp, block, inlineMapper, vr);
|
|
|
|
if (!vl.mType->IsNumericType())
|
|
mErrors->Error(exp->mLocation, EERR_INCOMPATIBLE_OPERATOR, "Left hand operand type is not numeric");
|
|
if (!vr.mType->IsNumericType())
|
|
mErrors->Error(exp->mLocation, EERR_INCOMPATIBLE_OPERATOR, "Right hand operand type is not numeric");
|
|
|
|
Declaration* dtype;
|
|
if (vr.mType->mType == DT_TYPE_FLOAT || vl.mType->mType == DT_TYPE_FLOAT)
|
|
dtype = TheFloatTypeDeclaration;
|
|
else if ((exp->mToken == TK_BINARY_AND || exp->mToken == TK_BINARY_OR || exp->mToken == TK_BINARY_XOR) && vl.mType->mSize == 1 && vr.mType->mSize == 1)
|
|
{
|
|
if (vl.mType->mFlags & DTF_SIGNED)
|
|
dtype = vl.mType;
|
|
else
|
|
dtype = vr.mType;
|
|
}
|
|
else if (exp->mToken == TK_LEFT_SHIFT || exp->mToken == TK_RIGHT_SHIFT)
|
|
{
|
|
if (vl.mType->mFlags & DTF_SIGNED)
|
|
{
|
|
if (vl.mType->mSize == 4)
|
|
dtype = TheSignedLongTypeDeclaration;
|
|
else
|
|
dtype = TheSignedIntTypeDeclaration;
|
|
}
|
|
else
|
|
{
|
|
if (vl.mType->mSize == 4 || vr.mType->mSize == 4)
|
|
dtype = TheUnsignedLongTypeDeclaration;
|
|
else
|
|
dtype = TheUnsignedIntTypeDeclaration;
|
|
}
|
|
}
|
|
else if (vr.mType->mSize < vl.mType->mSize && (vl.mType->mFlags & DTF_SIGNED))
|
|
{
|
|
if (vl.mType->mSize == 4)
|
|
dtype = TheSignedLongTypeDeclaration;
|
|
else
|
|
dtype = TheSignedIntTypeDeclaration;
|
|
}
|
|
else if (vl.mType->mSize < vr.mType->mSize && (vr.mType->mFlags & DTF_SIGNED))
|
|
{
|
|
if (vr.mType->mSize == 4)
|
|
dtype = TheSignedLongTypeDeclaration;
|
|
else
|
|
dtype = TheSignedIntTypeDeclaration;
|
|
}
|
|
else if ((vr.mType->mFlags & DTF_SIGNED) && (vl.mType->mFlags & DTF_SIGNED))
|
|
{
|
|
if (vl.mType->mSize == 4)
|
|
dtype = TheSignedLongTypeDeclaration;
|
|
else
|
|
dtype = TheSignedIntTypeDeclaration;
|
|
}
|
|
else
|
|
{
|
|
if (vl.mType->mSize == 4 || vr.mType->mSize == 4)
|
|
dtype = TheUnsignedLongTypeDeclaration;
|
|
else
|
|
dtype = TheUnsignedIntTypeDeclaration;
|
|
}
|
|
|
|
// Convert bool to char on binary operation
|
|
if (dtype->mType == DT_TYPE_BOOL)
|
|
{
|
|
if (exp->mToken == TK_BINARY_AND || exp->mToken == TK_BINARY_OR)
|
|
mErrors->Error(exp->mLocation, EWARN_BOOL_SHORTCUT, "Binary and/or operator used for boolean values, use logical operator ('&&' '||').");
|
|
dtype = TheUnsignedCharTypeDeclaration;
|
|
}
|
|
|
|
vl = CoerceType(proc, exp, block, inlineMapper, vl, dtype);
|
|
vr = CoerceType(proc, exp, block, inlineMapper, vr, dtype);
|
|
|
|
bool signedOP = dtype->mFlags & DTF_SIGNED;
|
|
|
|
ins->mCode = IC_BINARY_OPERATOR;
|
|
switch (exp->mToken)
|
|
{
|
|
case TK_ADD:
|
|
ins->mOperator = IA_ADD;
|
|
break;
|
|
case TK_SUB:
|
|
ins->mOperator = IA_SUB;
|
|
break;
|
|
case TK_MUL:
|
|
ins->mOperator = IA_MUL;
|
|
break;
|
|
case TK_DIV:
|
|
ins->mOperator = signedOP ? IA_DIVS : IA_DIVU;
|
|
break;
|
|
case TK_MOD:
|
|
ins->mOperator = signedOP ? IA_MODS : IA_MODU;
|
|
break;
|
|
case TK_LEFT_SHIFT:
|
|
ins->mOperator = IA_SHL;
|
|
break;
|
|
case TK_RIGHT_SHIFT:
|
|
ins->mOperator = (vl.mType->mFlags & DTF_SIGNED) ? IA_SAR : IA_SHR;
|
|
break;
|
|
case TK_BINARY_AND:
|
|
ins->mOperator = IA_AND;
|
|
break;
|
|
case TK_BINARY_OR:
|
|
ins->mOperator = IA_OR;
|
|
break;
|
|
case TK_BINARY_XOR:
|
|
ins->mOperator = IA_XOR;
|
|
break;
|
|
}
|
|
|
|
ins->mSrc[0].mType = InterTypeOf(vr.mType);;
|
|
ins->mSrc[0].mTemp = vr.mTemp;
|
|
ins->mSrc[1].mType = InterTypeOf(vl.mType);;
|
|
ins->mSrc[1].mTemp = vl.mTemp;
|
|
ins->mDst.mType = InterTypeOfArithmetic(ins->mSrc[0].mType, ins->mSrc[1].mType);
|
|
ins->mDst.mTemp = proc->AddTemporary(ins->mDst.mType);
|
|
block->Append(ins);
|
|
}
|
|
|
|
return ExValue(vl.mType, ins->mDst.mTemp);
|
|
}
|
|
|
|
|
|
case EX_PREINCDEC:
|
|
{
|
|
vl = TranslateExpression(procType, proc, block, exp->mLeft, destack, gotos, breakBlock, continueBlock, inlineMapper);
|
|
vl = ToValue(proc, exp, block, inlineMapper, vl);
|
|
vl = Dereference(proc, exp, block, inlineMapper, vl, 1);
|
|
|
|
if (vl.mReference != 1)
|
|
mErrors->Error(exp->mLeft->mLocation, EERR_NOT_AN_LVALUE, "Not a left hand expression");
|
|
|
|
if (vl.mType->mFlags & DTF_CONST)
|
|
mErrors->Error(exp->mLocation, EERR_CONST_ASSIGN, "Cannot change const value");
|
|
|
|
InterInstruction* cins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT), * ains = new InterInstruction(MapLocation(exp, inlineMapper), IC_BINARY_OPERATOR);// , * sins = new InterInstruction(MapLocation(exp, inlineMapper), IC_STORE);
|
|
|
|
ExValue vdl = Dereference(proc, exp, block, inlineMapper, vl);
|
|
|
|
bool ftype = vl.mType->mType == DT_TYPE_FLOAT;
|
|
|
|
cins->mDst.mType = ftype ? IT_FLOAT : IT_INT16;
|
|
cins->mDst.mTemp = proc->AddTemporary(cins->mDst.mType);
|
|
cins->mConst.mType = cins->mDst.mType;
|
|
|
|
if (vdl.mType->mType == DT_TYPE_POINTER)
|
|
cins->mConst.mIntConst = exp->mToken == TK_INC ? vdl.mType->Stride() : -(vdl.mType->Stride());
|
|
else if (vdl.mType->IsNumericType())
|
|
{
|
|
cins->mConst.mIntConst = exp->mToken == TK_INC ? 1 : -1;
|
|
cins->mConst.mFloatConst = double(cins->mConst.mIntConst);
|
|
}
|
|
else
|
|
mErrors->Error(exp->mLocation, EERR_INCOMPATIBLE_OPERATOR, "Not a numeric value or pointer");
|
|
|
|
block->Append(cins);
|
|
|
|
InterType ttype = InterTypeOf(vdl.mType);
|
|
if (ttype == IT_POINTER)
|
|
{
|
|
ains->mCode = IC_LEA;
|
|
ains->mSrc[1].mMemory = IM_INDIRECT;
|
|
}
|
|
else
|
|
{
|
|
ains->mCode = IC_BINARY_OPERATOR;
|
|
ains->mOperator = IA_ADD;
|
|
}
|
|
ains->mSrc[0].mType = cins->mDst.mType;
|
|
ains->mSrc[0].mTemp = cins->mDst.mTemp;
|
|
ains->mSrc[1].mType = ttype;
|
|
ains->mSrc[1].mTemp = vdl.mTemp;
|
|
ains->mDst.mType = ttype;
|
|
ains->mDst.mTemp = proc->AddTemporary(ains->mDst.mType);
|
|
block->Append(ains);
|
|
|
|
StoreValue(proc, exp, block, inlineMapper, vl, ExValue(vl.mType, ains->mDst.mTemp));
|
|
#if 0
|
|
sins->mSrc[1].mMemory = IM_INDIRECT;
|
|
sins->mSrc[0].mType = ains->mDst.mType;
|
|
sins->mSrc[0].mTemp = ains->mDst.mTemp;
|
|
sins->mSrc[1].mType = IT_POINTER;
|
|
sins->mSrc[1].mTemp = vl.mTemp;
|
|
sins->mSrc[1].mOperandSize = vl.mType->mSize;
|
|
sins->mVolatile = vl.mType->mFlags & DTF_VOLATILE;
|
|
block->Append(sins);
|
|
#endif
|
|
|
|
// Return reference to value
|
|
return ExValue(vl.mType, vl.mTemp, 1);
|
|
}
|
|
break;
|
|
|
|
case EX_POSTINCDEC:
|
|
{
|
|
vl = TranslateExpression(procType, proc, block, exp->mLeft, destack, gotos, breakBlock, continueBlock, inlineMapper);
|
|
vl = ToValue(proc, exp, block, inlineMapper, vl);
|
|
vl = Dereference(proc, exp, block, inlineMapper, vl, 1);
|
|
|
|
if (vl.mReference != 1)
|
|
mErrors->Error(exp->mLeft->mLocation, EERR_NOT_AN_LVALUE, "Not a left hand expression");
|
|
|
|
if (vl.mType->mFlags & DTF_CONST)
|
|
mErrors->Error(exp->mLocation, EERR_CONST_ASSIGN, "Cannot change const value");
|
|
|
|
InterInstruction* cins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT), * ains = new InterInstruction(MapLocation(exp, inlineMapper), IC_BINARY_OPERATOR);// , * sins = new InterInstruction(MapLocation(exp, inlineMapper), IC_STORE);
|
|
|
|
ExValue vdl = Dereference(proc, exp, block, inlineMapper, vl);
|
|
|
|
bool ftype = vl.mType->mType == DT_TYPE_FLOAT;
|
|
|
|
cins->mDst.mType = ftype ? IT_FLOAT : IT_INT16;
|
|
cins->mDst.mTemp = proc->AddTemporary(cins->mDst.mType);
|
|
cins->mConst.mType = cins->mDst.mType;
|
|
|
|
if (vdl.mType->mType == DT_TYPE_POINTER)
|
|
cins->mConst.mIntConst = exp->mToken == TK_INC ? vdl.mType->Stride() : -(vdl.mType->Stride());
|
|
else if (vdl.mType->IsNumericType())
|
|
{
|
|
cins->mConst.mIntConst = exp->mToken == TK_INC ? 1 : -1;
|
|
cins->mConst.mFloatConst = double(cins->mConst.mIntConst);
|
|
}
|
|
else
|
|
mErrors->Error(exp->mLocation, EERR_INCOMPATIBLE_OPERATOR, "Not a numeric value or pointer");
|
|
block->Append(cins);
|
|
|
|
InterType ttype = InterTypeOf(vdl.mType);
|
|
if (ttype == IT_POINTER)
|
|
{
|
|
ains->mCode = IC_LEA;
|
|
ains->mSrc[1].mMemory = IM_INDIRECT;
|
|
}
|
|
else
|
|
{
|
|
ains->mCode = IC_BINARY_OPERATOR;
|
|
ains->mOperator = IA_ADD;
|
|
}
|
|
ains->mSrc[0].mType = cins->mDst.mType;
|
|
ains->mSrc[0].mTemp = cins->mDst.mTemp;
|
|
ains->mSrc[1].mType = ttype;
|
|
ains->mSrc[1].mTemp = vdl.mTemp;
|
|
ains->mDst.mType = ttype;
|
|
ains->mDst.mTemp = proc->AddTemporary(ttype);
|
|
block->Append(ains);
|
|
|
|
StoreValue(proc, exp, block, inlineMapper, vl, ExValue(vl.mType, ains->mDst.mTemp));
|
|
#if 0
|
|
sins->mSrc[1].mMemory = IM_INDIRECT;
|
|
sins->mSrc[0].mType = ains->mDst.mType;
|
|
sins->mSrc[0].mTemp = ains->mDst.mTemp;
|
|
sins->mSrc[1].mType = IT_POINTER;
|
|
sins->mSrc[1].mTemp = vl.mTemp;
|
|
sins->mSrc[1].mOperandSize = vl.mType->mSize;
|
|
sins->mVolatile = vl.mType->mFlags & DTF_VOLATILE;
|
|
block->Append(sins);
|
|
#endif
|
|
return ExValue(vdl.mType, vdl.mTemp);
|
|
}
|
|
break;
|
|
|
|
case EX_PREFIX:
|
|
{
|
|
vl = TranslateExpression(procType, proc, block, exp->mLeft, destack, gotos, breakBlock, continueBlock, inlineMapper);
|
|
vl = ToValue(proc, exp, block, inlineMapper, vl);
|
|
|
|
InterInstruction * ins = new InterInstruction(MapLocation(exp, inlineMapper), IC_UNARY_OPERATOR);
|
|
|
|
switch (exp->mToken)
|
|
{
|
|
case TK_ADD:
|
|
vl = Dereference(proc, exp, block, inlineMapper, vl);
|
|
ins->mOperator = IA_NONE;
|
|
break;
|
|
case TK_SUB:
|
|
vl = Dereference(proc, exp, block, inlineMapper, vl);
|
|
if (!vl.mType->IsNumericType())
|
|
mErrors->Error(exp->mLocation, EERR_INCOMPATIBLE_OPERATOR, "Not a numeric type");
|
|
else if (vl.mType->mType == DT_TYPE_INTEGER && vl.mType->mSize < 2)
|
|
vl = CoerceType(proc, exp, block, inlineMapper, vl, TheSignedIntTypeDeclaration);
|
|
ins->mOperator = IA_NEG;
|
|
break;
|
|
case TK_BINARY_NOT:
|
|
vl = Dereference(proc, exp, block, inlineMapper, vl);
|
|
if (!(vl.mType->mType == DT_TYPE_POINTER || vl.mType->IsNumericType()))
|
|
mErrors->Error(exp->mLocation, EERR_INCOMPATIBLE_OPERATOR, "Not a numeric or pointer type");
|
|
else if (vl.mType->mType == DT_TYPE_INTEGER && vl.mType->mSize < 2)
|
|
vl = CoerceType(proc, exp, block, inlineMapper, vl, TheUnsignedIntTypeDeclaration);
|
|
ins->mOperator = IA_NOT;
|
|
break;
|
|
case TK_MUL:
|
|
if (vl.mType->mType == DT_TYPE_ARRAY)
|
|
vl = Dereference(proc, exp, block, inlineMapper, vl, 1);
|
|
else if (vl.mType->mType != DT_TYPE_POINTER)
|
|
mErrors->Error(exp->mLocation, EERR_INCOMPATIBLE_OPERATOR, "Not a pointer type");
|
|
else if (vl.mType->mStride != 1)
|
|
vl = Dereference(proc, exp, block, inlineMapper, vl, 0);
|
|
else
|
|
return ExValue(vl.mType->mBase, vl.mTemp, vl.mReference + 1);
|
|
return ExValue(vl.mType->mBase, vl.mTemp, 1);
|
|
case TK_BINARY_AND:
|
|
{
|
|
if (vl.mReference < 1 || vl.mBits)
|
|
mErrors->Error(exp->mLocation, EERR_NOT_AN_LVALUE, "Not an addressable value");
|
|
|
|
Declaration* dec = new Declaration(exp->mLocation, DT_TYPE_POINTER);
|
|
dec->mBase = vl.mType;
|
|
dec->mSize = 2;
|
|
dec->mFlags = DTF_DEFINED;
|
|
return ExValue(exp->mDecType, vl.mTemp, vl.mReference - 1);
|
|
}
|
|
case TK_BANKOF:
|
|
{
|
|
LinkerRegion* rgn;
|
|
if (exp->mLeft->mDecValue->mSection && (rgn = mLinker->FindRegionOfSection(exp->mLeft->mDecValue->mSection)))
|
|
{
|
|
uint64 i = 0;
|
|
while (i < 64 && rgn->mCartridgeBanks != (1ULL << i))
|
|
i++;
|
|
if (i < 64)
|
|
{
|
|
ins->mCode = IC_CONSTANT;
|
|
ins->mNumOperands = 0;
|
|
ins->mConst.mType = IT_INT8;
|
|
ins->mConst.mIntConst = i;
|
|
ins->mDst.mType = IT_INT8;
|
|
ins->mDst.mTemp = proc->AddTemporary(ins->mDst.mType);
|
|
block->Append(ins);
|
|
return ExValue(TheUnsignedCharTypeDeclaration, ins->mDst.mTemp, vl.mReference - 1);
|
|
}
|
|
}
|
|
mErrors->Error(exp->mLocation, ERRR_CANNOT_FIND_BANK_OF_EXPRESSION, "Cannot find bank of expressiohn");
|
|
} break;
|
|
|
|
case TK_NEW:
|
|
{
|
|
ins->mCode = IC_MALLOC;
|
|
ins->mSrc[0].mType = InterTypeOf(vl.mType);
|
|
ins->mSrc[0].mTemp = vl.mTemp;
|
|
ins->mDst.mType = IT_POINTER;
|
|
ins->mDst.mTemp = proc->AddTemporary(ins->mDst.mType);
|
|
ins->mDst.mRestricted = proc->AddRestricted();
|
|
block->Append(ins);
|
|
return ExValue(exp->mDecType, ins->mDst.mTemp, 0);
|
|
|
|
} break;
|
|
|
|
case TK_DELETE:
|
|
{
|
|
vl = Dereference(proc, exp, block, inlineMapper, vl, 0);
|
|
|
|
ins->mCode = IC_FREE;
|
|
ins->mSrc[0].mType = IT_POINTER;
|
|
ins->mSrc[0].mTemp = vl.mTemp;
|
|
block->Append(ins);
|
|
return ExValue(TheConstVoidTypeDeclaration, -1);
|
|
|
|
} break;
|
|
}
|
|
|
|
ins->mSrc[0].mType = InterTypeOf(vl.mType);
|
|
ins->mSrc[0].mTemp = vl.mTemp;
|
|
ins->mDst.mType = ins->mSrc[0].mType;
|
|
ins->mDst.mTemp = proc->AddTemporary(ins->mDst.mType);
|
|
|
|
block->Append(ins);
|
|
|
|
return ExValue(vl.mType, ins->mDst.mTemp);
|
|
}
|
|
|
|
case EX_RELATIONAL:
|
|
{
|
|
vl = TranslateExpression(procType, proc, block, exp->mLeft, destack, gotos, breakBlock, continueBlock, inlineMapper);
|
|
vl = ToValue(proc, exp, block, inlineMapper, vl);
|
|
vl = Dereference(proc, exp, block, inlineMapper, vl, vl.mType->mType == DT_TYPE_ARRAY ? 1 : 0);
|
|
vr = TranslateExpression(procType, proc, block, exp->mRight, destack, gotos, breakBlock, continueBlock, inlineMapper);
|
|
vr = ToValue(proc, exp, block, inlineMapper, vr);
|
|
vr = Dereference(proc, exp, block, inlineMapper, vr, vr.mType->mType == DT_TYPE_ARRAY ? 1 : 0);
|
|
|
|
|
|
InterInstruction * ins = new InterInstruction(MapLocation(exp, inlineMapper), IC_RELATIONAL_OPERATOR);
|
|
|
|
Declaration* dtype = TheSignedIntTypeDeclaration;
|
|
|
|
if (vl.mType->mType == DT_TYPE_POINTER || vr.mType->mType == DT_TYPE_POINTER)
|
|
{
|
|
dtype = vl.mType;
|
|
if (vl.mType->IsIntegerType())
|
|
{
|
|
if ((mCompilerOptions & COPT_CPLUSPLUS) || exp->mLeft->mType != EX_CONSTANT || exp->mLeft->mDecValue->mInteger != 0)
|
|
mErrors->Error(exp->mLocation, EERR_INCOMPATIBLE_TYPES, "Cannot compare integer and pointer");
|
|
}
|
|
else if (vr.mType->IsIntegerType())
|
|
{
|
|
if ((mCompilerOptions & COPT_CPLUSPLUS) || exp->mRight->mType != EX_CONSTANT || exp->mRight->mDecValue->mInteger != 0)
|
|
mErrors->Error(exp->mLocation, EERR_INCOMPATIBLE_TYPES, "Cannot compare integer and pointer");
|
|
}
|
|
else if ((vl.mType->mType == DT_TYPE_POINTER || vl.mType->mType == DT_TYPE_ARRAY) && (vr.mType->mType == DT_TYPE_POINTER || vr.mType->mType == DT_TYPE_ARRAY))
|
|
{
|
|
if (vl.mType->mBase->mType == DT_TYPE_VOID || vr.mType->mBase->mType == DT_TYPE_VOID)
|
|
;
|
|
else if ((mCompilerOptions & COPT_CPLUSPLUS) && (vl.mType->mBase->IsSubType(vr.mType->mBase) || vr.mType->mBase->IsSubType(vl.mType->mBase)))
|
|
;
|
|
else if (!vl.mType->mBase->IsConstRefSame(vr.mType->mBase))
|
|
mErrors->Error(exp->mLocation, EERR_INCOMPATIBLE_OPERATOR, "Incompatible pointer types", vl.mType->mBase->MangleIdent(), vr.mType->mBase->MangleIdent());
|
|
}
|
|
else
|
|
mErrors->Error(exp->mLocation, EERR_INCOMPATIBLE_OPERATOR, "Incompatible pointer types");
|
|
}
|
|
else if (!vl.mType->IsNumericType() || !vr.mType->IsNumericType())
|
|
mErrors->Error(exp->mLocation, EERR_INCOMPATIBLE_OPERATOR, "Not a numeric or pointer type");
|
|
else if (vr.mType->mType == DT_TYPE_FLOAT || vl.mType->mType == DT_TYPE_FLOAT)
|
|
dtype = TheFloatTypeDeclaration;
|
|
else if (vr.mType->mSize < vl.mType->mSize && (vl.mType->mFlags & DTF_SIGNED))
|
|
{
|
|
if (vl.mType->mSize == 4)
|
|
dtype = TheSignedLongTypeDeclaration;
|
|
else
|
|
dtype = TheSignedIntTypeDeclaration;
|
|
}
|
|
else if (vl.mType->mSize < vr.mType->mSize && (vr.mType->mFlags & DTF_SIGNED))
|
|
{
|
|
if (vr.mType->mSize == 4)
|
|
dtype = TheSignedLongTypeDeclaration;
|
|
else
|
|
dtype = TheSignedIntTypeDeclaration;
|
|
}
|
|
else if ((vr.mType->mFlags & DTF_SIGNED) && (vl.mType->mFlags & DTF_SIGNED))
|
|
{
|
|
if (vl.mType->mSize == 4)
|
|
dtype = TheSignedLongTypeDeclaration;
|
|
else
|
|
dtype = TheSignedIntTypeDeclaration;
|
|
}
|
|
else
|
|
{
|
|
if (vl.mType->mSize == 4 || vr.mType->mSize == 4)
|
|
dtype = TheUnsignedLongTypeDeclaration;
|
|
else
|
|
dtype = TheUnsignedIntTypeDeclaration;
|
|
}
|
|
|
|
vl = CoerceType(proc, exp, block, inlineMapper, vl, dtype);
|
|
vr = CoerceType(proc, exp, block, inlineMapper, vr, dtype);
|
|
|
|
bool signedCompare = dtype->mFlags & DTF_SIGNED;
|
|
|
|
switch (exp->mToken)
|
|
{
|
|
case TK_EQUAL:
|
|
ins->mOperator = IA_CMPEQ;
|
|
break;
|
|
case TK_NOT_EQUAL:
|
|
ins->mOperator = IA_CMPNE;
|
|
break;
|
|
case TK_GREATER_THAN:
|
|
ins->mOperator = signedCompare ? IA_CMPGS : IA_CMPGU;
|
|
break;
|
|
case TK_GREATER_EQUAL:
|
|
ins->mOperator = signedCompare ? IA_CMPGES : IA_CMPGEU;
|
|
break;
|
|
case TK_LESS_THAN:
|
|
ins->mOperator = signedCompare ? IA_CMPLS : IA_CMPLU;
|
|
break;
|
|
case TK_LESS_EQUAL:
|
|
ins->mOperator = signedCompare ? IA_CMPLES : IA_CMPLEU;
|
|
break;
|
|
}
|
|
ins->mSrc[0].mType = InterTypeOf(vr.mType);;
|
|
ins->mSrc[0].mTemp = vr.mTemp;
|
|
ins->mSrc[1].mType = InterTypeOf(vl.mType);;
|
|
ins->mSrc[1].mTemp = vl.mTemp;
|
|
ins->mDst.mType = IT_BOOL;
|
|
ins->mDst.mTemp = proc->AddTemporary(ins->mDst.mType);
|
|
|
|
block->Append(ins);
|
|
|
|
return ExValue(TheBoolTypeDeclaration, ins->mDst.mTemp);
|
|
}
|
|
|
|
case EX_VCALL:
|
|
case EX_CALL:
|
|
case EX_INLINE:
|
|
{
|
|
if (exp->mLeft->mType == EX_CONSTANT && exp->mLeft->mDecValue->mType == DT_CONST_FUNCTION && (exp->mLeft->mDecValue->mFlags & DTF_INTRINSIC))
|
|
{
|
|
Declaration* decf = exp->mLeft->mDecValue;
|
|
const Ident * iname = decf->mQualIdent;
|
|
|
|
if (!strcmp(iname->mString, "fabs"))
|
|
{
|
|
vr = TranslateExpression(procType, proc, block, exp->mRight, destack, gotos, breakBlock, continueBlock, inlineMapper);
|
|
vr = Dereference(proc, exp, block, inlineMapper, vr);
|
|
|
|
if (decf->mBase->mParams->CanAssign(vr.mType))
|
|
mErrors->Error(exp->mLocation, EERR_INCOMPATIBLE_TYPES, "Cannot assign incompatible types");
|
|
vr = CoerceType(proc, exp, block, inlineMapper, vr, decf->mBase->mParams);
|
|
|
|
InterInstruction * ins = new InterInstruction(MapLocation(exp, inlineMapper), IC_UNARY_OPERATOR);
|
|
ins->mOperator = IA_ABS;
|
|
ins->mSrc[0].mType = IT_FLOAT;
|
|
ins->mSrc[0].mTemp = vr.mTemp;
|
|
ins->mDst.mType = IT_FLOAT;
|
|
ins->mDst.mTemp = proc->AddTemporary(ins->mDst.mType);
|
|
block->Append(ins);
|
|
|
|
return ExValue(TheFloatTypeDeclaration, ins->mDst.mTemp);
|
|
}
|
|
else if (!strcmp(iname->mString, "floor"))
|
|
{
|
|
vr = TranslateExpression(procType, proc, block, exp->mRight, destack, gotos, breakBlock, continueBlock, inlineMapper);
|
|
vr = Dereference(proc, exp, block, inlineMapper, vr);
|
|
|
|
if (decf->mBase->mParams->CanAssign(vr.mType))
|
|
mErrors->Error(exp->mLocation, EERR_INCOMPATIBLE_TYPES, "Cannot assign incompatible types");
|
|
vr = CoerceType(proc, exp, block, inlineMapper, vr, decf->mBase->mParams);
|
|
|
|
InterInstruction * ins = new InterInstruction(MapLocation(exp, inlineMapper), IC_UNARY_OPERATOR);
|
|
ins->mOperator = IA_FLOOR;
|
|
ins->mSrc[0].mType = IT_FLOAT;
|
|
ins->mSrc[0].mTemp = vr.mTemp;
|
|
ins->mDst.mType = IT_FLOAT;
|
|
ins->mDst.mTemp = proc->AddTemporary(ins->mDst.mType);
|
|
block->Append(ins);
|
|
|
|
return ExValue(TheFloatTypeDeclaration, ins->mDst.mTemp);
|
|
}
|
|
else if (!strcmp(iname->mString, "ceil"))
|
|
{
|
|
vr = TranslateExpression(procType, proc, block, exp->mRight, destack, gotos, breakBlock, continueBlock, inlineMapper);
|
|
vr = Dereference(proc, exp, block, inlineMapper, vr);
|
|
|
|
if (decf->mBase->mParams->CanAssign(vr.mType))
|
|
mErrors->Error(exp->mLocation, EERR_INCOMPATIBLE_TYPES, "Cannot assign incompatible types");
|
|
vr = CoerceType(proc, exp, block, inlineMapper, vr, decf->mBase->mParams);
|
|
|
|
InterInstruction * ins = new InterInstruction(MapLocation(exp, inlineMapper), IC_UNARY_OPERATOR);
|
|
ins->mOperator = IA_CEIL;
|
|
ins->mSrc[0].mType = IT_FLOAT;
|
|
ins->mSrc[0].mTemp = vr.mTemp;
|
|
ins->mDst.mType = IT_FLOAT;
|
|
ins->mDst.mTemp = proc->AddTemporary(ins->mDst.mType);
|
|
block->Append(ins);
|
|
|
|
return ExValue(TheFloatTypeDeclaration, ins->mDst.mTemp);
|
|
}
|
|
else if (!strcmp(iname->mString, "sin"))
|
|
{
|
|
}
|
|
else if (!strcmp(iname->mString, "cos"))
|
|
{
|
|
}
|
|
else if (!strcmp(iname->mString, "tan"))
|
|
{
|
|
}
|
|
else if (!strcmp(iname->mString, "log"))
|
|
{
|
|
}
|
|
else if (!strcmp(iname->mString, "exp"))
|
|
{
|
|
}
|
|
else if (!strcmp(iname->mString, "breakpoint"))
|
|
{
|
|
InterInstruction* ins = new InterInstruction(MapLocation(exp, inlineMapper), IC_BREAKPOINT);
|
|
ins->mNumOperands = 0;
|
|
block->Append(ins);
|
|
|
|
return ExValue(TheVoidTypeDeclaration, 0);
|
|
}
|
|
else if (!strcmp(iname->mString, "malloc"))
|
|
{
|
|
vr = TranslateExpression(procType, proc, block, exp->mRight, destack, gotos, breakBlock, continueBlock, inlineMapper);
|
|
vr = Dereference(proc, exp, block, inlineMapper, vr);
|
|
|
|
if (decf->mBase->mParams->CanAssign(vr.mType))
|
|
mErrors->Error(exp->mLocation, EERR_INCOMPATIBLE_TYPES, "Cannot assign incompatible types");
|
|
vr = CoerceType(proc, exp, block, inlineMapper, vr, decf->mBase->mParams);
|
|
|
|
InterInstruction* ins = new InterInstruction(MapLocation(exp, inlineMapper), IC_MALLOC);
|
|
ins->mSrc[0].mType = IT_INT16;
|
|
ins->mSrc[0].mTemp = vr.mTemp;
|
|
ins->mNumOperands = 1;
|
|
ins->mDst.mType = IT_POINTER;
|
|
ins->mDst.mTemp = proc->AddTemporary(ins->mDst.mType);
|
|
ins->mDst.mRestricted = proc->AddRestricted();
|
|
block->Append(ins);
|
|
|
|
return ExValue(TheVoidPointerTypeDeclaration, ins->mDst.mTemp);
|
|
}
|
|
else if (!strcmp(iname->mString, "free"))
|
|
{
|
|
vr = TranslateExpression(procType, proc, block, exp->mRight, destack, gotos, breakBlock, continueBlock, inlineMapper);
|
|
vr = Dereference(proc, exp, block, inlineMapper, vr);
|
|
|
|
if (decf->mBase->mParams->CanAssign(vr.mType))
|
|
mErrors->Error(exp->mLocation, EERR_INCOMPATIBLE_TYPES, "Cannot assign incompatible types");
|
|
vr = CoerceType(proc, exp, block, inlineMapper, vr, decf->mBase->mParams);
|
|
|
|
InterInstruction* ins = new InterInstruction(MapLocation(exp, inlineMapper), IC_FREE);
|
|
ins->mSrc[0].mType = IT_POINTER;
|
|
ins->mSrc[0].mTemp = vr.mTemp;
|
|
ins->mNumOperands = 1;
|
|
block->Append(ins);
|
|
|
|
return ExValue(TheVoidTypeDeclaration, 0);
|
|
}
|
|
else if (!strcmp(iname->mString, "strcpy"))
|
|
{
|
|
if (exp->mRight->mType == EX_LIST)
|
|
{
|
|
Expression* tex = exp->mRight->mLeft, * sex = exp->mRight->mRight;
|
|
if ((tex->mDecType->mType == DT_TYPE_ARRAY && tex->mDecType->mSize <= 256) ||
|
|
(sex->mDecType->mType == DT_TYPE_ARRAY && sex->mDecType->mSize <= 256))
|
|
{
|
|
vl = TranslateExpression(procType, proc, block, tex, destack, gotos, breakBlock, continueBlock, inlineMapper);
|
|
if (vl.mType->mType == DT_TYPE_ARRAY)
|
|
vl = Dereference(proc, exp, block, inlineMapper, vl, 1);
|
|
else
|
|
vl = Dereference(proc, exp, block, inlineMapper, vl);
|
|
|
|
vr = TranslateExpression(procType, proc, block, sex, destack, gotos, breakBlock, continueBlock, inlineMapper);
|
|
if (vr.mType->mType == DT_TYPE_ARRAY)
|
|
vr = Dereference(proc, exp, block, inlineMapper, vr, 1);
|
|
else
|
|
vr = Dereference(proc, exp, block, inlineMapper, vr);
|
|
|
|
if (!TheCharPointerTypeDeclaration->CanAssign(vl.mType))
|
|
mErrors->Error(tex->mLocation, EERR_INCOMPATIBLE_TYPES, "Cannot assign incompatible types");
|
|
if (!TheConstCharPointerTypeDeclaration->CanAssign(vr.mType))
|
|
mErrors->Error(sex->mLocation, EERR_INCOMPATIBLE_TYPES, "Cannot assign incompatible types");
|
|
|
|
InterInstruction* ins = new InterInstruction(MapLocation(exp, inlineMapper), IC_STRCPY);
|
|
ins->mNumOperands = 2;
|
|
|
|
ins->mSrc[0].mType = IT_POINTER;
|
|
ins->mSrc[0].mMemory = IM_INDIRECT;
|
|
ins->mSrc[0].mTemp = vr.mTemp;
|
|
ins->mSrc[1].mType = IT_POINTER;
|
|
ins->mSrc[1].mMemory = IM_INDIRECT;
|
|
ins->mSrc[1].mTemp = vl.mTemp;
|
|
block->Append(ins);
|
|
|
|
return vl;
|
|
}
|
|
}
|
|
}
|
|
else if (!strcmp(iname->mString, "memcpy"))
|
|
{
|
|
if (exp->mRight->mType == EX_LIST)
|
|
{
|
|
Expression* tex = exp->mRight->mLeft, * sex = exp->mRight->mRight->mLeft, * nex = exp->mRight->mRight->mRight;
|
|
if (nex && nex->mType == EX_CONSTANT && nex->mDecValue->mType == DT_CONST_INTEGER && nex->mDecValue->mInteger < 512)
|
|
{
|
|
vl = TranslateExpression(procType, proc, block, tex, destack, gotos, breakBlock, continueBlock, inlineMapper);
|
|
if (vl.mType->mType == DT_TYPE_ARRAY)
|
|
vl = Dereference(proc, exp, block, inlineMapper, vl, 1);
|
|
else
|
|
vl = Dereference(proc, exp, block, inlineMapper, vl);
|
|
|
|
vr = TranslateExpression(procType, proc, block, sex, destack, gotos, breakBlock, continueBlock, inlineMapper);
|
|
if (vr.mType->mType == DT_TYPE_ARRAY)
|
|
vr = Dereference(proc, exp, block, inlineMapper, vr, 1);
|
|
else
|
|
vr = Dereference(proc, exp, block, inlineMapper, vr);
|
|
|
|
if (!TheVoidPointerTypeDeclaration->CanAssign(vl.mType))
|
|
mErrors->Error(tex->mLocation, EERR_INCOMPATIBLE_TYPES, "Cannot assign incompatible types");
|
|
if (!TheConstVoidPointerTypeDeclaration->CanAssign(vr.mType))
|
|
mErrors->Error(sex->mLocation, EERR_INCOMPATIBLE_TYPES, "Cannot assign incompatible types");
|
|
|
|
InterInstruction* ins = new InterInstruction(MapLocation(exp, inlineMapper), IC_COPY);
|
|
ins->mNumOperands = 2;
|
|
|
|
ins->mSrc[0].mType = IT_POINTER;
|
|
ins->mSrc[0].mMemory = IM_INDIRECT;
|
|
ins->mSrc[0].mTemp = vr.mTemp;
|
|
ins->mSrc[1].mType = IT_POINTER;
|
|
ins->mSrc[1].mMemory = IM_INDIRECT;
|
|
ins->mSrc[1].mTemp = vl.mTemp;
|
|
ins->mSrc[0].mOperandSize = int(nex->mDecValue->mInteger);
|
|
ins->mSrc[1].mOperandSize = int(nex->mDecValue->mInteger);
|
|
ins->mConst.mOperandSize = int(nex->mDecValue->mInteger);
|
|
if ((vl.mType->mBase->mFlags & DTF_VOLATILE) || (vr.mType->mBase->mFlags & DTF_VOLATILE))
|
|
ins->mVolatile = true;
|
|
block->Append(ins);
|
|
|
|
return vl;
|
|
}
|
|
}
|
|
}
|
|
else if (!strcmp(iname->mString, "memset"))
|
|
{
|
|
if (exp->mRight->mType == EX_LIST)
|
|
{
|
|
Expression* tex = exp->mRight->mLeft, * sex = exp->mRight->mRight->mLeft, * nex = exp->mRight->mRight->mRight;
|
|
if (nex && nex->mType == EX_CONSTANT && nex->mDecValue->mType == DT_CONST_INTEGER && nex->mDecValue->mInteger <= 1024)
|
|
{
|
|
vl = TranslateExpression(procType, proc, block, tex, destack, gotos, breakBlock, continueBlock, inlineMapper);
|
|
if (vl.mType->mType == DT_TYPE_ARRAY)
|
|
vl = Dereference(proc, exp, block, inlineMapper, vl, 1);
|
|
else
|
|
vl = Dereference(proc, exp, block, inlineMapper, vl);
|
|
|
|
vr = TranslateExpression(procType, proc, block, sex, destack, gotos, breakBlock, continueBlock, inlineMapper);
|
|
vr = Dereference(proc, exp, block, inlineMapper, vr);
|
|
|
|
if (!TheVoidPointerTypeDeclaration->CanAssign(vl.mType))
|
|
mErrors->Error(tex->mLocation, EERR_INCOMPATIBLE_TYPES, "Cannot assign incompatible types");
|
|
if (!TheConstCharTypeDeclaration->CanAssign(vr.mType))
|
|
mErrors->Error(sex->mLocation, EERR_INCOMPATIBLE_TYPES, "Cannot assign incompatible types");
|
|
|
|
InterInstruction* ins = new InterInstruction(MapLocation(exp, inlineMapper), IC_FILL);
|
|
ins->mNumOperands = 2;
|
|
|
|
ins->mSrc[0].mType = IT_INT8;
|
|
ins->mSrc[0].mTemp = vr.mTemp;
|
|
ins->mSrc[1].mType = IT_POINTER;
|
|
ins->mSrc[1].mMemory = IM_INDIRECT;
|
|
ins->mSrc[1].mTemp = vl.mTemp;
|
|
ins->mSrc[0].mOperandSize = 1;
|
|
ins->mSrc[1].mOperandSize = int(nex->mDecValue->mInteger);
|
|
ins->mConst.mOperandSize = int(nex->mDecValue->mInteger);
|
|
block->Append(ins);
|
|
|
|
return vl;
|
|
}
|
|
}
|
|
}
|
|
else if (!strcmp(iname->mString, "memclr"))
|
|
{
|
|
if (exp->mRight->mType == EX_LIST)
|
|
{
|
|
Expression* tex = exp->mRight->mLeft, * nex = exp->mRight->mRight;
|
|
if (nex && nex->mType == EX_CONSTANT && nex->mDecValue->mType == DT_CONST_INTEGER && nex->mDecValue->mInteger <= 1024)
|
|
{
|
|
vl = TranslateExpression(procType, proc, block, tex, destack, gotos, breakBlock, continueBlock, inlineMapper);
|
|
if (vl.mType->mType == DT_TYPE_ARRAY)
|
|
vl = Dereference(proc, exp, block, inlineMapper, vl, 1);
|
|
else
|
|
vl = Dereference(proc, exp, block, inlineMapper, vl);
|
|
|
|
if (!TheVoidPointerTypeDeclaration->CanAssign(vl.mType))
|
|
mErrors->Error(tex->mLocation, EERR_INCOMPATIBLE_TYPES, "Cannot assign incompatible types");
|
|
|
|
InterInstruction * zins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
|
|
zins->mDst.mType = IT_INT8;
|
|
zins->mDst.mTemp = proc->AddTemporary(zins->mDst.mType);
|
|
zins->mConst.mType = IT_INT8;
|
|
zins->mConst.mIntConst = 0;
|
|
block->Append(zins);
|
|
|
|
InterInstruction* ins = new InterInstruction(MapLocation(exp, inlineMapper), IC_FILL);
|
|
ins->mNumOperands = 2;
|
|
|
|
ins->mSrc[0].mType = IT_INT8;
|
|
ins->mSrc[0].mTemp = zins->mDst.mTemp;
|
|
ins->mSrc[1].mType = IT_POINTER;
|
|
ins->mSrc[1].mMemory = IM_INDIRECT;
|
|
ins->mSrc[1].mTemp = vl.mTemp;
|
|
ins->mSrc[0].mOperandSize = 1;
|
|
ins->mSrc[1].mOperandSize = int(nex->mDecValue->mInteger);
|
|
ins->mConst.mOperandSize = int(nex->mDecValue->mInteger);
|
|
block->Append(ins);
|
|
|
|
return vl;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
mErrors->Error(exp->mLeft->mDecValue->mLocation, EERR_OBJECT_NOT_FOUND, "Unknown intrinsic function", iname);
|
|
return ExValue(TheVoidTypeDeclaration);
|
|
}
|
|
}
|
|
|
|
bool canInline = exp->mLeft->mType == EX_CONSTANT &&
|
|
exp->mLeft->mDecValue->mType == DT_CONST_FUNCTION &&
|
|
(mCompilerOptions & COPT_OPTIMIZE_INLINE) &&
|
|
!(inlineMapper && inlineMapper->mDepth > 10) &&
|
|
exp->mType != EX_VCALL;
|
|
bool doInline = false, inlineConstexpr = false;
|
|
|
|
if (canInline)
|
|
{
|
|
if (inlineMapper && inlineMapper->mConstExpr)
|
|
inlineConstexpr = true;
|
|
else if (exp->mLeft->mDecValue->mFlags & DTF_FUNC_CONSTEXPR)
|
|
{
|
|
Expression* pex = exp->mRight;
|
|
inlineConstexpr = true;
|
|
while (inlineConstexpr && pex)
|
|
{
|
|
if (pex->mType == EX_LIST)
|
|
{
|
|
if (pex->mLeft->mType != EX_CONSTANT)
|
|
inlineConstexpr = false;
|
|
pex = pex->mRight;
|
|
}
|
|
else
|
|
{
|
|
if (pex->mType != EX_CONSTANT)
|
|
inlineConstexpr = false;
|
|
pex = nullptr;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (exp->mType == EX_INLINE)
|
|
doInline = true;
|
|
else if (inlineConstexpr)
|
|
doInline = true;
|
|
else if (exp->mLeft->mDecValue->mFlags & DTF_INLINE)
|
|
{
|
|
if ((exp->mLeft->mDecValue->mFlags & DTF_REQUEST_INLINE) || (mCompilerOptions & COPT_OPTIMIZE_AUTO_INLINE))
|
|
{
|
|
if (proc->mNativeProcedure || !(exp->mLeft->mDecValue->mFlags & DTF_NATIVE))
|
|
doInline = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (doInline)
|
|
{
|
|
return TranslateInline(procType, proc, block, exp, breakBlock, continueBlock, inlineMapper, inlineConstexpr, lrexp);
|
|
}
|
|
else
|
|
{
|
|
Expression * funcexp = exp->mLeft;
|
|
|
|
vl = TranslateExpression(procType, proc, block, funcexp, destack, gotos, breakBlock, continueBlock, inlineMapper);
|
|
|
|
vl = Dereference(proc, exp, block, inlineMapper, vl);
|
|
|
|
int atotal = 0;
|
|
|
|
InterCodeBasicBlock* fblock = block;
|
|
|
|
Declaration* ftype = vl.mType;
|
|
if (ftype->mType == DT_TYPE_POINTER)
|
|
ftype = ftype->mBase;
|
|
|
|
InterInstruction* fins = nullptr;
|
|
|
|
if (ftype->mFlags & DTF_FASTCALL)
|
|
{
|
|
|
|
}
|
|
else
|
|
{
|
|
fins = new InterInstruction(MapLocation(exp, inlineMapper), IC_PUSH_FRAME);
|
|
fins->mNumOperands = 0;
|
|
fins->mConst.mIntConst = atotal;
|
|
block->Append(fins);
|
|
}
|
|
|
|
Declaration * decResult = nullptr;
|
|
GrowingArray<InterInstruction*> defins(nullptr);
|
|
|
|
if (ftype->mBase->mType == DT_TYPE_STRUCT)
|
|
{
|
|
int ttemp;
|
|
if (lrexp)
|
|
{
|
|
ttemp = lrexp->mTemp;
|
|
|
|
decResult = lrexp->mType;
|
|
}
|
|
else
|
|
{
|
|
int nindex = proc->mNumLocals++;
|
|
|
|
Declaration* vdec = new Declaration(exp->mLocation, DT_VARIABLE);
|
|
|
|
vdec->mVarIndex = nindex;
|
|
vdec->mBase = ftype->mBase;
|
|
vdec->mSize = ftype->mBase->mSize;
|
|
|
|
decResult = vdec;
|
|
|
|
InterInstruction* vins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
|
|
vins->mDst.mType = IT_POINTER;
|
|
vins->mDst.mTemp = proc->AddTemporary(IT_POINTER);
|
|
vins->mConst.mType = IT_POINTER;
|
|
vins->mConst.mMemory = IM_LOCAL;
|
|
vins->mConst.mVarIndex = nindex;
|
|
vins->mConst.mOperandSize = ftype->mBase->mSize;
|
|
block->Append(vins);
|
|
|
|
ttemp = vins->mDst.mTemp;
|
|
}
|
|
|
|
InterInstruction* ains = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
|
|
ains->mDst.mType = IT_POINTER;
|
|
ains->mDst.mTemp = proc->AddTemporary(IT_POINTER);
|
|
ains->mConst.mType = IT_POINTER;
|
|
ains->mConst.mVarIndex = 0;
|
|
ains->mConst.mIntConst = 0;
|
|
ains->mConst.mOperandSize = 2;
|
|
if (ftype->mFlags & DTF_FASTCALL)
|
|
{
|
|
ains->mConst.mMemory = IM_FFRAME;
|
|
ains->mConst.mVarIndex += ftype->mFastCallBase;
|
|
}
|
|
else
|
|
ains->mConst.mMemory = IM_FRAME;
|
|
block->Append(ains);
|
|
|
|
InterInstruction* wins = new InterInstruction(MapLocation(exp, inlineMapper), IC_STORE);
|
|
wins->mSrc[1].mMemory = IM_INDIRECT;
|
|
wins->mSrc[0].mType = IT_POINTER;
|
|
wins->mSrc[0].mTemp = ttemp;
|
|
wins->mSrc[1].mType = IT_POINTER;
|
|
wins->mSrc[1].mTemp = ains->mDst.mTemp;
|
|
wins->mSrc[1].mOperandSize = 2;
|
|
|
|
if (ftype->mFlags & DTF_FASTCALL)
|
|
defins.Push(wins);
|
|
else
|
|
block->Append(wins);
|
|
|
|
atotal = 2;
|
|
}
|
|
|
|
if (funcexp->mDecValue && funcexp->mDecValue->mType == DT_CONST_FUNCTION)
|
|
proc->AddCalledFunction(proc->mModule->mProcedures[funcexp->mDecValue->mVarIndex]);
|
|
else
|
|
proc->CallsFunctionPointer();
|
|
|
|
Declaration* pdec = ftype->mParams;
|
|
Expression* pex = exp->mRight;
|
|
while (pex)
|
|
{
|
|
InterInstruction * ains = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
|
|
ains->mConst.mType = IT_POINTER;
|
|
|
|
ains->mDst.mType = IT_POINTER;
|
|
ains->mDst.mTemp = proc->AddTemporary(ains->mDst.mType);
|
|
if (pdec)
|
|
{
|
|
ains->mConst.mVarIndex = pdec->mVarIndex;
|
|
ains->mConst.mIntConst = pdec->mOffset;
|
|
if (pdec->mBase->mType == DT_TYPE_ARRAY)
|
|
ains->mConst.mOperandSize = 2;
|
|
else
|
|
ains->mConst.mOperandSize = pdec->mSize;
|
|
}
|
|
else if (ftype->mFlags & DTF_VARIADIC)
|
|
{
|
|
ains->mConst.mVarIndex = atotal;
|
|
ains->mConst.mIntConst = 0;
|
|
ains->mConst.mOperandSize = 2;
|
|
}
|
|
else
|
|
{
|
|
mErrors->Error(pex->mLocation, EERR_WRONG_PARAMETER, "Too many arguments for function call");
|
|
}
|
|
|
|
if (ftype->mFlags & DTF_FASTCALL)
|
|
{
|
|
ains->mConst.mMemory = IM_FFRAME;
|
|
ains->mConst.mIntConst = 0;
|
|
// ains->mConst.mVarIndex += ftype->mFastCallBase;
|
|
}
|
|
else
|
|
ains->mConst.mMemory = IM_FRAME;
|
|
|
|
block->Append(ains);
|
|
|
|
Expression* texp;
|
|
|
|
if (pex->mType == EX_LIST)
|
|
{
|
|
texp = pex->mLeft;
|
|
pex = pex->mRight;
|
|
}
|
|
else
|
|
{
|
|
texp = pex;
|
|
pex = nullptr;
|
|
}
|
|
|
|
Declaration* ptype = pdec ? pdec->mBase : texp->mDecType;
|
|
|
|
ExValue vp(ptype ? ptype : TheSignedIntTypeDeclaration, ains->mDst.mTemp, 1);
|
|
|
|
if (pdec && pdec->mBase->IsReference() && texp->mType == EX_CALL && !texp->mDecType->IsReference())
|
|
{
|
|
mErrors->Error(texp->mLocation, EERR_MISSING_TEMP, "Missing temporary variable");
|
|
#if 0
|
|
int nindex = proc->mNumLocals++;
|
|
|
|
Declaration* vdec = new Declaration(exp->mLocation, DT_VARIABLE);
|
|
|
|
vdec->mVarIndex = nindex;
|
|
vdec->mBase = pdec->mBase->mBase;
|
|
vdec->mSize = pdec->mBase->mBase->mSize;
|
|
|
|
InterInstruction* vins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
|
|
vins->mDst.mType = IT_POINTER;
|
|
vins->mDst.mTemp = proc->AddTemporary(IT_POINTER);
|
|
vins->mConst.mMemory = IM_LOCAL;
|
|
vins->mConst.mVarIndex = nindex;
|
|
vins->mConst.mOperandSize = vdec->mSize;
|
|
block->Append(vins);
|
|
|
|
vp.mType = pdec->mBase->mBase;
|
|
vp.mTemp = vins->mDst.mTemp;
|
|
#endif
|
|
}
|
|
|
|
if (ptype && (ptype->mType == DT_TYPE_STRUCT || ptype->mType == DT_TYPE_UNION))
|
|
vr = TranslateExpression(procType, proc, block, texp, destack, gotos, breakBlock, continueBlock, inlineMapper, &vp);
|
|
else
|
|
vr = TranslateExpression(procType, proc, block, texp, destack, gotos, breakBlock, continueBlock, inlineMapper, nullptr);
|
|
|
|
if (!(pdec && pdec->mBase->IsReference()) && (vr.mType->mType == DT_TYPE_STRUCT || vr.mType->mType == DT_TYPE_UNION))
|
|
{
|
|
if (pdec && !pdec->mBase->CanAssign(vr.mType))
|
|
mErrors->Error(texp->mLocation, EERR_INCOMPATIBLE_TYPES, "Cannot assign incompatible types", pdec->mBase->MangleIdent(), vr.mType->MangleIdent());
|
|
|
|
vr = Dereference(proc, texp, block, inlineMapper, vr, 1);
|
|
|
|
if (vr.mReference != 1)
|
|
mErrors->Error(exp->mLeft->mLocation, EERR_NOT_AN_LVALUE, "Not an addressable expression");
|
|
|
|
if (vp.mTemp != vr.mTemp)
|
|
{
|
|
CopyStruct(proc, exp, block, vp, vr, inlineMapper, false);
|
|
#if 0
|
|
InterInstruction* cins = new InterInstruction(texp->mLocation, IC_COPY);
|
|
cins->mSrc[0].mType = IT_POINTER;
|
|
cins->mSrc[0].mTemp = vr.mTemp;
|
|
cins->mSrc[0].mMemory = IM_INDIRECT;
|
|
cins->mSrc[0].mOperandSize = vp.mType->mSize;
|
|
cins->mSrc[0].mStride = vr.mType->mStripe;
|
|
|
|
cins->mSrc[1].mOperandSize = vp.mType->mSize;
|
|
cins->mSrc[1].mType = IT_POINTER;
|
|
cins->mSrc[1].mTemp = ains->mDst.mTemp;
|
|
cins->mSrc[1].mMemory = IM_INDIRECT;
|
|
|
|
cins->mConst.mOperandSize = vp.mType->mSize;
|
|
block->Append(cins);
|
|
#endif
|
|
}
|
|
|
|
atotal += vr.mType->mSize;
|
|
}
|
|
else
|
|
{
|
|
if (vr.mType->mType == DT_TYPE_ARRAY)// || vr.mType->mType == DT_TYPE_FUNCTION)
|
|
vr = Dereference(proc, texp, block, inlineMapper, vr, 1);
|
|
else if (pdec && pdec->mBase->mType == DT_TYPE_POINTER && vr.mType->mType == DT_TYPE_INTEGER && texp->mType == EX_CONSTANT && texp->mDecValue->mType == DT_CONST_INTEGER && texp->mDecValue->mInteger == 0)
|
|
{
|
|
mErrors->Error(texp->mLocation, EWARN_NUMERIC_0_USED_AS_NULLPTR, "Numeric 0 used for nullptr");
|
|
vr = CoerceType(proc, texp, block, inlineMapper, vr, pdec->mBase);
|
|
}
|
|
else if (pdec && (pdec->mBase->IsReference() && !vr.mType->IsReference()))
|
|
vr = Dereference(proc, texp, block, inlineMapper, vr, 1);
|
|
else if (vr.mType->IsReference() && !(pdec && pdec->mBase->IsReference()))
|
|
{
|
|
vr.mReference++;
|
|
vr.mType = vr.mType->mBase;
|
|
vr = Dereference(proc, texp, block, inlineMapper, vr);
|
|
}
|
|
else
|
|
vr = Dereference(proc, texp, block, inlineMapper, vr);
|
|
|
|
if (pdec)
|
|
{
|
|
if (!(pdec->mFlags & DTF_FPARAM_UNUSED) && !pdec->mBase->CanAssign(vr.mType))
|
|
{
|
|
pdec->mBase->CanAssign(vr.mType);
|
|
mErrors->Error(texp->mLocation, EERR_INCOMPATIBLE_TYPES, "Cannot assign incompatible types", pdec->mBase->MangleIdent(), vr.mType->MangleIdent());
|
|
}
|
|
vr = CoerceType(proc, texp, block, inlineMapper, vr, pdec->mBase);
|
|
}
|
|
else if (vr.mType->IsIntegerType() && vr.mType->mSize < 2)
|
|
{
|
|
vr = CoerceType(proc, texp, block, inlineMapper, vr, TheSignedIntTypeDeclaration);
|
|
}
|
|
|
|
|
|
InterInstruction* wins = new InterInstruction(texp->mLocation, IC_STORE);
|
|
wins->mSrc[1].mMemory = IM_INDIRECT;
|
|
wins->mSrc[0].mType = InterTypeOf(vr.mType);;
|
|
wins->mSrc[0].mTemp = vr.mTemp;
|
|
wins->mSrc[1].mType = IT_POINTER;
|
|
wins->mSrc[1].mTemp = ains->mDst.mTemp;
|
|
if (pdec)
|
|
{
|
|
if (pdec->mBase->mType == DT_TYPE_ARRAY || pdec->mBase->mType == DT_TYPE_REFERENCE || pdec->mBase->mType == DT_TYPE_RVALUEREF || pdec->mBase->mType == DT_TYPE_FUNCTION)
|
|
{
|
|
wins->mSrc[1].mOperandSize = 2;
|
|
wins->mSrc[0].mType = IT_POINTER;
|
|
}
|
|
else
|
|
wins->mSrc[1].mOperandSize = pdec->mSize;
|
|
}
|
|
else if (vr.mType->mSize > 2 && vr.mType->mType != DT_TYPE_ARRAY)
|
|
wins->mSrc[1].mOperandSize = vr.mType->mSize;
|
|
else
|
|
wins->mSrc[1].mOperandSize = 2;
|
|
|
|
if (!pdec || !(pdec->mFlags & DTF_FPARAM_UNUSED))
|
|
{
|
|
if (ftype->mFlags & DTF_FASTCALL)
|
|
defins.Push(wins);
|
|
else
|
|
block->Append(wins);
|
|
}
|
|
|
|
atotal += wins->mSrc[1].mOperandSize;
|
|
}
|
|
|
|
if (pdec)
|
|
pdec = pdec->mNext;
|
|
}
|
|
|
|
if (pdec)
|
|
mErrors->Error(exp->mLocation, EERR_WRONG_PARAMETER, "Not enough arguments for function call");
|
|
|
|
for (int i = 0; i < defins.Size(); i++)
|
|
block->Append(defins[i]);
|
|
|
|
InterInstruction * cins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CALL);
|
|
cins->mNumOperands = 1;
|
|
if (funcexp->mDecValue && (funcexp->mDecValue->mFlags & DTF_NATIVE) || (mCompilerOptions & COPT_NATIVE))
|
|
cins->mCode = IC_CALL_NATIVE;
|
|
else
|
|
cins->mCode = IC_CALL;
|
|
|
|
if (funcexp->mDecValue && (funcexp->mDecValue->mFlags & DTF_FUNC_PURE))
|
|
cins->mNoSideEffects = true;
|
|
|
|
if (funcexp->mType == EX_CONSTANT && (funcexp->mDecValue->mFlags & DTF_FUNC_CONSTEXPR) && funcexp->mDecType->mBase->mType != DT_TYPE_STRUCT)
|
|
cins->mConstExpr = true;
|
|
|
|
cins->mSrc[0].mType = IT_POINTER;
|
|
cins->mSrc[0].mTemp = vl.mTemp;
|
|
if (ftype->mBase->mType != DT_TYPE_VOID && ftype->mBase->mType != DT_TYPE_STRUCT)
|
|
{
|
|
cins->mDst.mType = InterTypeOf(ftype->mBase);
|
|
cins->mDst.mTemp = proc->AddTemporary(cins->mDst.mType);
|
|
}
|
|
|
|
block->Append(cins);
|
|
|
|
|
|
if (ftype->mFlags & DTF_FASTCALL)
|
|
{
|
|
|
|
}
|
|
else
|
|
{
|
|
fins->mConst.mIntConst = atotal;
|
|
|
|
InterInstruction* xins = new InterInstruction(MapLocation(exp, inlineMapper), IC_POP_FRAME);
|
|
xins->mNumOperands = 0;
|
|
xins->mConst.mIntConst = atotal;
|
|
block->Append(xins);
|
|
}
|
|
|
|
if (decResult)
|
|
{
|
|
if (lrexp)
|
|
return *lrexp;
|
|
|
|
InterInstruction* vins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
|
|
vins->mDst.mType = IT_POINTER;
|
|
vins->mDst.mTemp = proc->AddTemporary(IT_POINTER);
|
|
vins->mConst.mType = IT_POINTER;
|
|
vins->mConst.mMemory = IM_LOCAL;
|
|
vins->mConst.mVarIndex = decResult->mVarIndex;
|
|
block->Append(vins);
|
|
|
|
return ExValue(ftype->mBase, vins->mDst.mTemp, 1);
|
|
}
|
|
else if (ftype->mBase->IsReference())
|
|
return ExValue(ftype->mBase->mBase, cins->mDst.mTemp, 1);
|
|
else
|
|
return ExValue(ftype->mBase, cins->mDst.mTemp);
|
|
}
|
|
|
|
}
|
|
|
|
case EX_ASSEMBLER:
|
|
{
|
|
GrowingArray<Declaration*> refvars(nullptr);
|
|
|
|
TranslateAssembler(proc->mModule, exp, &refvars);
|
|
|
|
Declaration* dec = exp->mDecValue;
|
|
|
|
if (block)
|
|
{
|
|
dec->mLinkerObject->mFlags |= LOBJF_INLINE;
|
|
|
|
InterInstruction* ins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
|
|
ins->mDst.mType = IT_POINTER;
|
|
ins->mDst.mTemp = proc->AddTemporary(ins->mDst.mType);
|
|
ins->mConst.mType = IT_POINTER;
|
|
ins->mConst.mOperandSize = dec->mSize;
|
|
ins->mConst.mIntConst = 0;
|
|
ins->mConst.mMemory = IM_GLOBAL;
|
|
ins->mConst.mLinkerObject = dec->mLinkerObject;
|
|
ins->mConst.mVarIndex = dec->mVarIndex;
|
|
block->Append(ins);
|
|
|
|
InterInstruction * jins = new InterInstruction(MapLocation(exp, inlineMapper), IC_ASSEMBLER);
|
|
jins->mDst.mTemp = proc->AddTemporary(IT_INT32);
|
|
jins->mDst.mType = IT_INT32;
|
|
|
|
jins->mSrc[0].mType = IT_POINTER;
|
|
jins->mSrc[0].mTemp = ins->mDst.mTemp;
|
|
jins->mNumOperands = 1;
|
|
|
|
for (int i = 0; i < refvars.Size(); i++)
|
|
{
|
|
InterInstruction* vins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
|
|
vins->mConst.mType = IT_POINTER;
|
|
|
|
vins->mDst.mType = IT_POINTER;
|
|
vins->mDst.mTemp = proc->AddTemporary(ins->mDst.mType);
|
|
|
|
Declaration* vdec = refvars[i];
|
|
if (vdec->mType == DT_ARGUMENT)
|
|
{
|
|
vins->mConst.mVarIndex = vdec->mVarIndex;
|
|
if (vdec->mFlags & DTF_FPARAM_UNUSED)
|
|
{
|
|
vins->mConst.mMemory = IM_LOCAL;
|
|
if (inlineMapper)
|
|
vins->mConst.mVarIndex += inlineMapper->mVarIndex;
|
|
}
|
|
else if (inlineMapper)
|
|
{
|
|
vins->mConst.mMemory = IM_LOCAL;
|
|
vins->mConst.mVarIndex = inlineMapper->mParams[vdec->mVarIndex];
|
|
}
|
|
else if (procType->mFlags & DTF_FASTCALL)
|
|
{
|
|
vins->mConst.mMemory = IM_FPARAM;
|
|
// vins->mConst.mVarIndex += procType->mFastCallBase;
|
|
}
|
|
else
|
|
vins->mConst.mMemory = IM_PARAM;
|
|
vins->mConst.mOperandSize = vdec->mSize;
|
|
vins->mConst.mIntConst = vdec->mOffset;
|
|
}
|
|
else if (vdec->mType == DT_VARIABLE)
|
|
{
|
|
vins->mConst.mMemory = IM_LOCAL;
|
|
vins->mConst.mVarIndex = vdec->mVarIndex;
|
|
vins->mConst.mOperandSize = vdec->mSize;
|
|
vins->mConst.mIntConst = vdec->mOffset;
|
|
if (inlineMapper)
|
|
vins->mConst.mVarIndex += inlineMapper->mVarIndex;
|
|
}
|
|
|
|
block->Append(vins);
|
|
|
|
InterInstruction* lins = new InterInstruction(MapLocation(exp, inlineMapper), IC_LOAD);
|
|
lins->mSrc[0].mMemory = IM_INDIRECT;
|
|
lins->mSrc[0].mType = IT_POINTER;
|
|
lins->mSrc[0].mTemp = vins->mDst.mTemp;
|
|
lins->mDst.mType = InterTypeOf(vdec->mBase);
|
|
lins->mDst.mTemp = proc->AddTemporary(lins->mDst.mType);
|
|
lins->mSrc[0].mOperandSize = vdec->mSize;
|
|
block->Append(lins);
|
|
|
|
if (jins->mNumOperands >= 12)
|
|
mErrors->Error(exp->mLocation, EERR_ASSEMBLER_LIMIT, "Maximum number of variables in assembler block exceeded", vdec->mIdent);
|
|
else
|
|
{
|
|
jins->mSrc[jins->mNumOperands].mType = InterTypeOf(vdec->mBase);
|
|
jins->mSrc[jins->mNumOperands].mTemp = lins->mDst.mTemp;
|
|
jins->mNumOperands++;
|
|
}
|
|
}
|
|
|
|
block->Append(jins);
|
|
|
|
return ExValue(exp->mDecType, jins->mDst.mTemp);
|
|
}
|
|
|
|
return ExValue(TheVoidTypeDeclaration);
|
|
}
|
|
|
|
case EX_RETURN:
|
|
{
|
|
InterInstruction * ins = new InterInstruction(MapLocation(exp, inlineMapper), IC_RETURN);
|
|
if (exp->mLeft)
|
|
{
|
|
if (procType->mBase->IsReference())
|
|
{
|
|
vr = TranslateExpression(procType, proc, block, exp->mLeft, destack, gotos, breakBlock, continueBlock, inlineMapper);
|
|
|
|
if (vr.mType->IsReference())
|
|
{
|
|
vr.mReference++;
|
|
vr.mType = vr.mType->mBase;
|
|
}
|
|
|
|
vr = Dereference(proc, exp, block, inlineMapper, vr, 1);
|
|
|
|
vr = CoerceType(proc, exp, block, inlineMapper, vr, procType->mBase);
|
|
|
|
if (vr.mReference == 0)
|
|
mErrors->Error(exp->mLocation, EERR_INVALID_VALUE, "Returning value as reference");
|
|
|
|
ins->mSrc[0].mType = IT_POINTER;
|
|
ins->mSrc[0].mTemp = vr.mTemp;
|
|
ins->mSrc[0].mMemory = IM_INDIRECT;
|
|
|
|
if (inlineMapper)
|
|
{
|
|
if (inlineMapper->mResultExp)
|
|
{
|
|
if (inlineMapper->mResultExp->mType->IsReference())
|
|
{
|
|
ins->mSrc[1].mType = IT_POINTER;
|
|
ins->mSrc[1].mTemp = inlineMapper->mResultExp->mTemp;
|
|
ins->mSrc[1].mMemory = IM_INDIRECT;
|
|
ins->mCode = IC_STORE;
|
|
ins->mSrc[1].mOperandSize = 2;
|
|
ins->mNumOperands = 2;
|
|
}
|
|
else
|
|
{
|
|
//bool moving = exp->mLeft->IsRValue() || exp->mLeft->mType == EX_VARIABLE && !(exp->mLeft->mDecValue->mFlags & (DTF_STATIC | DTF_GLOBAL)) && exp->mLeft->mDecType->mType != DT_TYPE_REFERENCE;
|
|
|
|
CopyStruct(proc, exp, block, *(inlineMapper->mResultExp), vr, inlineMapper, false);
|
|
ins->mCode = IC_NONE;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
InterInstruction* ains = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
|
|
ains->mDst.mType = IT_POINTER;
|
|
ains->mDst.mTemp = proc->AddTemporary(ains->mDst.mType);
|
|
ains->mConst.mType = IT_POINTER;
|
|
ains->mConst.mOperandSize = procType->mBase->mSize;
|
|
ains->mConst.mIntConst = 0;
|
|
ains->mConst.mVarIndex = inlineMapper->mResult;;
|
|
ains->mConst.mMemory = IM_LOCAL;
|
|
block->Append(ains);
|
|
|
|
ins->mSrc[1].mType = ains->mDst.mType;
|
|
ins->mSrc[1].mTemp = ains->mDst.mTemp;
|
|
ins->mSrc[1].mMemory = IM_INDIRECT;
|
|
ins->mCode = IC_STORE;
|
|
ins->mSrc[1].mOperandSize = ains->mConst.mOperandSize;
|
|
ins->mNumOperands = 2;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
ins->mCode = IC_RETURN_VALUE;
|
|
ins->mNumOperands = 1;
|
|
}
|
|
}
|
|
else if (procType->mBase->mType == DT_TYPE_STRUCT)
|
|
{
|
|
|
|
InterInstruction* ains = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
|
|
|
|
if (inlineMapper)
|
|
{
|
|
if (inlineMapper->mResultExp)
|
|
{
|
|
ains->mDst.mTemp = inlineMapper->mResultExp->mTemp;
|
|
}
|
|
else
|
|
{
|
|
ains->mCode = IC_CONSTANT;
|
|
ains->mDst.mType = IT_POINTER;
|
|
ains->mDst.mTemp = proc->AddTemporary(IT_POINTER);
|
|
ains->mConst.mType = IT_POINTER;
|
|
ains->mConst.mOperandSize = procType->mBase->mSize;
|
|
ains->mConst.mIntConst = 0;
|
|
ains->mConst.mVarIndex = inlineMapper->mResult;
|
|
ains->mConst.mMemory = IM_LOCAL;
|
|
block->Append(ains);
|
|
}
|
|
|
|
ins->mCode = IC_NONE;
|
|
}
|
|
else
|
|
{
|
|
InterInstruction* pins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
|
|
pins->mDst.mType = IT_POINTER;
|
|
pins->mDst.mTemp = proc->AddTemporary(IT_POINTER);
|
|
pins->mConst.mType = IT_POINTER;
|
|
pins->mConst.mVarIndex = 0;
|
|
pins->mConst.mIntConst = 0;
|
|
pins->mConst.mOperandSize = 2;
|
|
if (procType->mFlags & DTF_FASTCALL)
|
|
{
|
|
pins->mConst.mMemory = IM_FPARAM;
|
|
pins->mConst.mVarIndex += procType->mFastCallBase;
|
|
}
|
|
else
|
|
pins->mConst.mMemory = IM_PARAM;
|
|
block->Append(pins);
|
|
|
|
ains->mCode = IC_LOAD;
|
|
ains->mSrc[0].mMemory = IM_INDIRECT;
|
|
ains->mSrc[0].mType = IT_POINTER;
|
|
ains->mSrc[0].mTemp = pins->mDst.mTemp;
|
|
ains->mDst.mType = IT_POINTER;
|
|
ains->mDst.mTemp = proc->AddTemporary(IT_POINTER);
|
|
ains->mNumOperands = 1;
|
|
block->Append(ains);
|
|
|
|
ins->mCode = IC_RETURN;
|
|
}
|
|
|
|
ExValue rvr(procType->mBase, ains->mDst.mTemp, 1);
|
|
|
|
vr = TranslateExpression(procType, proc, block, exp->mLeft, destack, gotos, breakBlock, continueBlock, inlineMapper, &rvr);
|
|
|
|
vr = Dereference(proc, exp, block, inlineMapper, vr, 1);
|
|
|
|
if (!procType->mBase || procType->mBase->mType == DT_TYPE_VOID)
|
|
mErrors->Error(exp->mLocation, EERR_INVALID_RETURN, "Function has void return type");
|
|
else if (!procType->mBase->CanAssign(vr.mType))
|
|
mErrors->Error(exp->mLocation, EERR_INVALID_RETURN, "Cannot return incompatible type");
|
|
else if (vr.mReference != 1)
|
|
mErrors->Error(exp->mLocation, EERR_INVALID_RETURN, "Non addressable object");
|
|
|
|
bool moving = exp->mLeft->IsRValue() || exp->mLeft->mType == EX_VARIABLE && !(exp->mLeft->mDecValue->mFlags & (DTF_STATIC | DTF_GLOBAL)) && exp->mLeft->mDecType->mType != DT_TYPE_REFERENCE;
|
|
|
|
CopyStruct(proc, exp, block, rvr, vr, inlineMapper, moving);
|
|
#if 0
|
|
if (procType->mBase->mCopyConstructor)
|
|
{
|
|
Declaration* ccdec = procType->mBase->mCopyConstructor;
|
|
if (ccdec->mBase->mFlags & DTF_FASTCALL)
|
|
{
|
|
if (!ccdec->mLinkerObject)
|
|
this->TranslateProcedure(proc->mModule, ccdec->mValue, ccdec);
|
|
|
|
InterInstruction* psins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
|
|
psins->mDst.mType = IT_POINTER;
|
|
psins->mDst.mTemp = proc->AddTemporary(IT_POINTER);
|
|
psins->mConst.mVarIndex = 0;
|
|
psins->mConst.mIntConst = 0;
|
|
psins->mConst.mOperandSize = 2;
|
|
if (procType->mFlags & DTF_FASTCALL)
|
|
{
|
|
psins->mConst.mMemory = IM_FPARAM;
|
|
psins->mConst.mVarIndex += ccdec->mBase->mFastCallBase;
|
|
}
|
|
else
|
|
psins->mConst.mMemory = IM_PARAM;
|
|
block->Append(psins);
|
|
|
|
InterInstruction* ssins = new InterInstruction(MapLocation(exp, inlineMapper), IC_STORE);
|
|
ssins->mSrc[0] = ains->mDst;
|
|
ssins->mSrc[1] = psins->mDst;
|
|
block->Append(ssins);
|
|
|
|
InterInstruction* plins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
|
|
plins->mDst.mType = IT_POINTER;
|
|
plins->mDst.mTemp = proc->AddTemporary(IT_POINTER);
|
|
plins->mConst.mVarIndex = 2;
|
|
plins->mConst.mIntConst = 0;
|
|
plins->mConst.mOperandSize = 2;
|
|
if (procType->mFlags & DTF_FASTCALL)
|
|
{
|
|
plins->mConst.mMemory = IM_FPARAM;
|
|
plins->mConst.mVarIndex += ccdec->mBase->mFastCallBase;
|
|
}
|
|
else
|
|
plins->mConst.mMemory = IM_PARAM;
|
|
block->Append(plins);
|
|
|
|
InterInstruction* slins = new InterInstruction(MapLocation(exp, inlineMapper), IC_STORE);
|
|
slins->mSrc[0].mType = IT_POINTER;
|
|
slins->mSrc[0].mTemp = vr.mTemp;
|
|
slins->mSrc[0].mMemory = IM_INDIRECT;
|
|
slins->mSrc[0].mOperandSize = procType->mBase->mSize;
|
|
slins->mSrc[0].mStride = vr.mType->mStripe;
|
|
slins->mSrc[1] = plins->mDst;
|
|
block->Append(slins);
|
|
|
|
proc->AddCalledFunction(proc->mModule->mProcedures[ccdec->mVarIndex]);
|
|
|
|
InterInstruction* pcins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
|
|
pcins->mDst.mType = IT_POINTER;
|
|
pcins->mDst.mTemp = proc->AddTemporary(IT_POINTER);
|
|
pcins->mConst.mType = IT_POINTER;
|
|
pcins->mConst.mVarIndex = ccdec->mVarIndex;
|
|
pcins->mConst.mIntConst = 0;
|
|
pcins->mConst.mOperandSize = 2;
|
|
pcins->mConst.mMemory = IM_GLOBAL;
|
|
pcins->mConst.mLinkerObject = ccdec->mLinkerObject;
|
|
block->Append(pcins);
|
|
|
|
InterInstruction* cins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CALL);
|
|
if (ccdec->mFlags & DTF_NATIVE)
|
|
cins->mCode = IC_CALL_NATIVE;
|
|
else
|
|
cins->mCode = IC_CALL;
|
|
cins->mSrc[0] = pcins->mDst;
|
|
cins->mNumOperands = 1;
|
|
|
|
block->Append(cins);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
InterInstruction* cins = new InterInstruction(MapLocation(exp, inlineMapper), IC_COPY);
|
|
cins->mSrc[0].mType = IT_POINTER;
|
|
cins->mSrc[0].mTemp = vr.mTemp;
|
|
cins->mSrc[0].mMemory = IM_INDIRECT;
|
|
cins->mSrc[0].mOperandSize = procType->mBase->mSize;
|
|
cins->mSrc[0].mStride = vr.mType->mStripe;
|
|
|
|
cins->mSrc[1].mOperandSize = procType->mBase->mSize;
|
|
cins->mSrc[1].mType = IT_POINTER;
|
|
cins->mSrc[1].mTemp = ains->mDst.mTemp;
|
|
cins->mSrc[1].mMemory = IM_INDIRECT;
|
|
|
|
cins->mConst.mOperandSize = procType->mBase->mSize;
|
|
block->Append(cins);
|
|
}
|
|
#endif
|
|
}
|
|
else
|
|
{
|
|
vr = TranslateExpression(procType, proc, block, exp->mLeft, destack, gotos, breakBlock, continueBlock, inlineMapper);
|
|
|
|
if (procType->mBase->mType == DT_TYPE_POINTER && (vr.mType->mType == DT_TYPE_ARRAY || vr.mType->mType == DT_TYPE_FUNCTION))
|
|
{
|
|
vr = Dereference(proc, exp, block, inlineMapper, vr, 1);
|
|
vr.mReference = 0;
|
|
vr.mType = procType->mBase;
|
|
}
|
|
else
|
|
vr = Dereference(proc, exp, block, inlineMapper, vr);
|
|
|
|
if (!procType->mBase || procType->mBase->mType == DT_TYPE_VOID)
|
|
{
|
|
if (vr.mType->mType != DT_TYPE_VOID)
|
|
mErrors->Error(exp->mLocation, EERR_INVALID_RETURN, "Function has void return type");
|
|
}
|
|
else if (procType->mBase->mType == DT_TYPE_BOOL && (vr.mType->IsIntegerType() || vr.mType->mType == DT_TYPE_POINTER))
|
|
;
|
|
else if (!procType->mBase->CanAssign(vr.mType))
|
|
mErrors->Error(exp->mLocation, EERR_INVALID_RETURN, "Cannot return incompatible type");
|
|
|
|
if (vr.mType->mType == DT_TYPE_VOID)
|
|
{
|
|
if (inlineMapper)
|
|
ins->mCode = IC_NONE;
|
|
else
|
|
ins->mCode = IC_RETURN;
|
|
}
|
|
else
|
|
{
|
|
vr = CoerceType(proc, exp, block, inlineMapper, vr, procType->mBase);
|
|
|
|
ins->mSrc[0].mType = InterTypeOf(vr.mType);
|
|
ins->mSrc[0].mTemp = vr.mTemp;
|
|
|
|
if (inlineMapper)
|
|
{
|
|
if (inlineMapper->mResultExp)
|
|
{
|
|
ins->mSrc[1].mType = IT_POINTER;
|
|
ins->mSrc[1].mTemp = inlineMapper->mResultExp->mTemp;
|
|
ins->mSrc[1].mMemory = IM_INDIRECT;
|
|
ins->mCode = IC_STORE;
|
|
ins->mSrc[1].mOperandSize = procType->mBase->mSize;
|
|
ins->mNumOperands = 2;
|
|
}
|
|
else
|
|
{
|
|
InterInstruction* ains = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
|
|
ains->mDst.mType = IT_POINTER;
|
|
ains->mDst.mTemp = proc->AddTemporary(ains->mDst.mType);
|
|
ains->mConst.mType = IT_POINTER;
|
|
ains->mConst.mOperandSize = procType->mBase->mSize;
|
|
ains->mConst.mIntConst = 0;
|
|
ains->mConst.mVarIndex = inlineMapper->mResult;;
|
|
ains->mConst.mMemory = IM_LOCAL;
|
|
block->Append(ains);
|
|
|
|
ins->mSrc[1].mType = ains->mDst.mType;
|
|
ins->mSrc[1].mTemp = ains->mDst.mTemp;
|
|
ins->mSrc[1].mMemory = IM_INDIRECT;
|
|
ins->mCode = IC_STORE;
|
|
ins->mSrc[1].mOperandSize = ains->mConst.mOperandSize;
|
|
ins->mNumOperands = 2;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
ins->mCode = IC_RETURN_VALUE;
|
|
ins->mNumOperands = 1;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (procType->mBase && procType->mBase->mType != DT_TYPE_VOID)
|
|
mErrors->Error(exp->mLocation, EERR_INVALID_RETURN, "Function has non void return type");
|
|
|
|
if (inlineMapper)
|
|
ins->mCode = IC_NONE;
|
|
else
|
|
ins->mCode = IC_RETURN;
|
|
}
|
|
|
|
UnwindDestructStack(procType, proc, block, destack, nullptr, inlineMapper);
|
|
|
|
if (ins->mCode != IC_NONE)
|
|
block->Append(ins);
|
|
|
|
if (inlineMapper)
|
|
{
|
|
InterInstruction* jins = new InterInstruction(MapLocation(exp, inlineMapper), IC_JUMP);
|
|
block->Append(jins);
|
|
block->Close(inlineMapper->mReturn, nullptr);
|
|
}
|
|
else
|
|
block->Close(nullptr, nullptr);
|
|
block = new InterCodeBasicBlock(proc);
|
|
|
|
return ExValue(TheVoidTypeDeclaration);
|
|
}
|
|
|
|
case EX_BREAK:
|
|
{
|
|
if (breakBlock.mBlock)
|
|
{
|
|
UnwindDestructStack(procType, proc, block, destack, breakBlock.mStack, inlineMapper);
|
|
InterInstruction * jins = new InterInstruction(MapLocation(exp, inlineMapper), IC_JUMP);
|
|
block->Append(jins);
|
|
|
|
block->Close(breakBlock.mBlock, nullptr);
|
|
block = new InterCodeBasicBlock(proc);
|
|
}
|
|
else
|
|
mErrors->Error(exp->mLocation, EERR_INVALID_BREAK, "No break target");
|
|
|
|
return ExValue(TheVoidTypeDeclaration);
|
|
}
|
|
|
|
case EX_CONTINUE:
|
|
{
|
|
if (continueBlock.mBlock)
|
|
{
|
|
UnwindDestructStack(procType, proc, block, destack, continueBlock.mStack, inlineMapper);
|
|
InterInstruction * jins = new InterInstruction(MapLocation(exp, inlineMapper), IC_JUMP);
|
|
block->Append(jins);
|
|
|
|
block->Close(continueBlock.mBlock, nullptr);
|
|
block = new InterCodeBasicBlock(proc);
|
|
}
|
|
else
|
|
mErrors->Error(exp->mLocation, EERR_INVALID_CONTINUE, "No continue target");
|
|
|
|
return ExValue(TheVoidTypeDeclaration);
|
|
}
|
|
|
|
case EX_ASSUME:
|
|
{
|
|
#if 1
|
|
InterCodeBasicBlock* tblock = new InterCodeBasicBlock(proc);
|
|
InterCodeBasicBlock* fblock = new InterCodeBasicBlock(proc);
|
|
|
|
TranslateLogic(procType, proc, block, tblock, fblock, exp->mLeft, destack, gotos, inlineMapper);
|
|
|
|
InterInstruction* ins = new InterInstruction(MapLocation(exp, inlineMapper), IC_UNREACHABLE);
|
|
ins->mNumOperands = 0;
|
|
fblock->Append(ins);
|
|
fblock->Close(nullptr, nullptr);
|
|
|
|
block = tblock;
|
|
#endif
|
|
return ExValue(TheVoidTypeDeclaration);
|
|
}
|
|
case EX_LOGICAL_NOT:
|
|
{
|
|
vl = TranslateExpression(procType, proc, block, exp->mLeft, destack, gotos, breakBlock, continueBlock, inlineMapper);
|
|
vl = Dereference(proc, exp, block, inlineMapper, vl);
|
|
|
|
InterInstruction * zins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
|
|
zins->mDst.mType = InterTypeOf(vl.mType);
|
|
zins->mDst.mTemp = proc->AddTemporary(zins->mDst.mType);
|
|
zins->mConst.mType = zins->mDst.mType;
|
|
zins->mConst.mIntConst = 0;
|
|
block->Append(zins);
|
|
|
|
InterInstruction * ins = new InterInstruction(MapLocation(exp, inlineMapper), IC_RELATIONAL_OPERATOR);
|
|
ins->mOperator = IA_CMPEQ;
|
|
ins->mSrc[0].mType = InterTypeOf(vl.mType);
|
|
ins->mSrc[0].mTemp = zins->mDst.mTemp;
|
|
ins->mSrc[1].mType = InterTypeOf(vl.mType);
|
|
ins->mSrc[1].mTemp = vl.mTemp;
|
|
ins->mDst.mType = IT_BOOL;
|
|
ins->mDst.mTemp = proc->AddTemporary(ins->mDst.mType);
|
|
block->Append(ins);
|
|
|
|
return ExValue(TheBoolTypeDeclaration, ins->mDst.mTemp);
|
|
}
|
|
|
|
case EX_CONDITIONAL:
|
|
{
|
|
#if 1
|
|
if (!exp->mRight->mLeft->HasSideEffects() && !exp->mRight->mRight->HasSideEffects())
|
|
{
|
|
ExValue vc = TranslateExpression(procType, proc, block, exp->mLeft, destack, gotos, breakBlock, continueBlock, inlineMapper);
|
|
|
|
vl = TranslateExpression(procType, proc, block, exp->mRight->mLeft, destack, gotos, breakBlock, continueBlock, inlineMapper);
|
|
vr = TranslateExpression(procType, proc, block, exp->mRight->mRight, destack, gotos, breakBlock, continueBlock, inlineMapper);
|
|
|
|
vc = Dereference(proc, exp, block, inlineMapper, vc);
|
|
|
|
int ttemp, tref = 0;
|
|
InterType ttype, stypel, styper;
|
|
|
|
stypel = InterTypeOf(vl.mType);
|
|
styper = InterTypeOf(vr.mType);
|
|
|
|
Declaration* dtype = exp->mDecType;
|
|
|
|
if (dtype->IsReference())
|
|
{
|
|
vl = Dereference(proc, exp, block, inlineMapper, vl, 1);
|
|
vr = Dereference(proc, exp, block, inlineMapper, vr, 1);
|
|
tref = 1;
|
|
|
|
dtype = dtype->mBase;
|
|
ttype = IT_POINTER;
|
|
}
|
|
else if (stypel == IT_POINTER || styper == IT_POINTER)
|
|
{
|
|
if (vl.mType->mType == DT_TYPE_ARRAY)
|
|
vl = Dereference(proc, exp, block, inlineMapper, vl, 1);
|
|
else
|
|
vl = Dereference(proc, exp, block, inlineMapper, vl);
|
|
|
|
if (vr.mType->mType == DT_TYPE_ARRAY)
|
|
vr = Dereference(proc, exp, block, inlineMapper, vr, 1);
|
|
else
|
|
vr = Dereference(proc, exp, block, inlineMapper, vr);
|
|
|
|
if (vl.mType->mBase && vr.mType->mBase)
|
|
{
|
|
if (vl.mType->mBase->IsSubType(vr.mType->mBase))
|
|
dtype = vr.mType;
|
|
else if (vr.mType->mBase->IsSubType(vl.mType->mBase))
|
|
dtype = vl.mType;
|
|
else
|
|
{
|
|
mErrors->Error(exp->mLocation, EERR_INCOMPATIBLE_OPERATOR, "Incompatible conditional types");
|
|
dtype = vl.mType;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
mErrors->Error(exp->mLocation, EERR_INCOMPATIBLE_OPERATOR, "Incompatible conditional types");
|
|
dtype = vl.mType;
|
|
}
|
|
|
|
Declaration* ntype = new Declaration(dtype->mLocation, DT_TYPE_POINTER);
|
|
ntype->mBase = dtype->mBase;
|
|
dtype = ntype;
|
|
|
|
ttype = IT_POINTER;
|
|
}
|
|
else
|
|
{
|
|
vl = Dereference(proc, exp, block, inlineMapper, vl);
|
|
vr = Dereference(proc, exp, block, inlineMapper, vr);
|
|
|
|
if (stypel == styper)
|
|
{
|
|
ttype = stypel;
|
|
dtype = vl.mType;
|
|
}
|
|
else if (stypel > styper)
|
|
{
|
|
ttype = stypel;
|
|
dtype = vl.mType;
|
|
|
|
vr = CoerceType(proc, exp, block, inlineMapper, vr, dtype);
|
|
}
|
|
else
|
|
{
|
|
ttype = styper;
|
|
dtype = vr.mType;
|
|
|
|
vl = CoerceType(proc, exp, block, inlineMapper, vl, dtype);
|
|
}
|
|
}
|
|
|
|
vc = CoerceType(proc, exp, block, inlineMapper, vc, TheBoolTypeDeclaration);
|
|
|
|
ttemp = proc->AddTemporary(ttype);
|
|
|
|
InterInstruction* sins = new InterInstruction(MapLocation(exp, inlineMapper), IC_SELECT);
|
|
sins->mSrc[2].mType = InterTypeOf(vc.mType);
|
|
sins->mSrc[2].mTemp = vc.mTemp;
|
|
sins->mSrc[1].mType = ttype;
|
|
sins->mSrc[1].mTemp = vl.mTemp;
|
|
sins->mSrc[0].mType = ttype;
|
|
sins->mSrc[0].mTemp = vr.mTemp;
|
|
sins->mDst.mType = ttype;
|
|
sins->mDst.mTemp = ttemp;
|
|
block->Append(sins);
|
|
|
|
return ExValue(dtype, ttemp, tref);
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
InterInstruction* jins0 = new InterInstruction(MapLocation(exp, inlineMapper), IC_JUMP);
|
|
InterInstruction* jins1 = new InterInstruction(MapLocation(exp, inlineMapper), IC_JUMP);
|
|
|
|
InterCodeBasicBlock* tblock = new InterCodeBasicBlock(proc);
|
|
InterCodeBasicBlock* fblock = new InterCodeBasicBlock(proc);
|
|
InterCodeBasicBlock* eblock = new InterCodeBasicBlock(proc);
|
|
|
|
TranslateLogic(procType, proc, block, tblock, fblock, exp->mLeft, destack, gotos, inlineMapper);
|
|
|
|
vl = TranslateExpression(procType, proc, tblock, exp->mRight->mLeft, destack, gotos, breakBlock, continueBlock, inlineMapper);
|
|
vr = TranslateExpression(procType, proc, fblock, exp->mRight->mRight, destack, gotos, breakBlock, continueBlock, inlineMapper);
|
|
|
|
int ttemp;
|
|
InterType ttype, stypel, styper;
|
|
|
|
stypel = InterTypeOf(vl.mType);
|
|
styper = InterTypeOf(vr.mType);
|
|
|
|
Declaration* dtype;
|
|
if (stypel == IT_POINTER || styper == IT_POINTER)
|
|
{
|
|
if (vl.mType->mType == DT_TYPE_ARRAY)
|
|
vl = Dereference(proc, exp, tblock, inlineMapper, vl, 1);
|
|
else
|
|
vl = Dereference(proc, exp, tblock, inlineMapper, vl);
|
|
|
|
if (vr.mType->mType == DT_TYPE_ARRAY)
|
|
vr = Dereference(proc, exp, fblock, inlineMapper, vr, 1);
|
|
else
|
|
vr = Dereference(proc, exp, fblock, inlineMapper, vr);
|
|
|
|
if (vl.mType->mBase->IsSubType(vr.mType->mBase))
|
|
dtype = vr.mType;
|
|
else if (vr.mType->mBase->IsSubType(vl.mType->mBase))
|
|
dtype = vl.mType;
|
|
else
|
|
{
|
|
mErrors->Error(exp->mLocation, EERR_INCOMPATIBLE_OPERATOR, "Incompatible conditional types");
|
|
dtype = vl.mType;
|
|
}
|
|
|
|
Declaration* ntype = new Declaration(dtype->mLocation, DT_TYPE_POINTER);
|
|
ntype->mBase = dtype->mBase;
|
|
dtype = ntype;
|
|
|
|
ttype = IT_POINTER;
|
|
}
|
|
else
|
|
{
|
|
vl = Dereference(proc, exp, tblock, inlineMapper, vl);
|
|
vr = Dereference(proc, exp, fblock, inlineMapper, vr);
|
|
|
|
if (stypel == styper)
|
|
{
|
|
ttype = stypel;
|
|
dtype = vl.mType;
|
|
}
|
|
else if (stypel > styper)
|
|
{
|
|
ttype = stypel;
|
|
dtype = vl.mType;
|
|
|
|
vr = CoerceType(proc, exp, fblock, inlineMapper, vr, dtype);
|
|
}
|
|
else
|
|
{
|
|
ttype = styper;
|
|
dtype = vr.mType;
|
|
|
|
vl = CoerceType(proc, exp, tblock, inlineMapper, vl, dtype);
|
|
}
|
|
}
|
|
|
|
ttemp = proc->AddTemporary(ttype);
|
|
|
|
InterInstruction* rins = new InterInstruction(MapLocation(exp, inlineMapper), IC_LOAD_TEMPORARY);
|
|
rins->mSrc[0].mType = ttype;
|
|
rins->mSrc[0].mTemp = vr.mTemp;
|
|
rins->mDst.mType = ttype;
|
|
rins->mDst.mTemp = ttemp;
|
|
fblock->Append(rins);
|
|
|
|
InterInstruction* lins = new InterInstruction(MapLocation(exp, inlineMapper), IC_LOAD_TEMPORARY);
|
|
lins->mSrc[0].mType = ttype;
|
|
lins->mSrc[0].mTemp = vl.mTemp;
|
|
lins->mDst.mType = ttype;
|
|
lins->mDst.mTemp = ttemp;
|
|
tblock->Append(lins);
|
|
|
|
tblock->Append(jins0);
|
|
tblock->Close(eblock, nullptr);
|
|
|
|
fblock->Append(jins1);
|
|
fblock->Close(eblock, nullptr);
|
|
|
|
block = eblock;
|
|
|
|
return ExValue(dtype, ttemp);
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
case EX_TYPECAST:
|
|
{
|
|
vr = TranslateExpression(procType, proc, block, exp->mLeft, destack, gotos, breakBlock, continueBlock, inlineMapper);
|
|
|
|
InterInstruction * ins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONVERSION_OPERATOR);
|
|
|
|
if (exp->mDecType->mType == DT_TYPE_FLOAT && vr.mType->IsIntegerType())
|
|
{
|
|
vr = Dereference(proc, exp, block, inlineMapper, vr);
|
|
|
|
int stemp = vr.mTemp;
|
|
|
|
if (vr.mType->mSize == 1)
|
|
{
|
|
if (vr.mType->mFlags & DTF_SIGNED)
|
|
{
|
|
InterInstruction* xins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONVERSION_OPERATOR);
|
|
xins->mOperator = IA_EXT8TO16S;
|
|
xins->mSrc[0].mType = IT_INT8;
|
|
xins->mSrc[0].mTemp = stemp;
|
|
xins->mDst.mType = IT_INT16;
|
|
xins->mDst.mTemp = proc->AddTemporary(IT_INT16);
|
|
block->Append(xins);
|
|
stemp = xins->mDst.mTemp;
|
|
}
|
|
else
|
|
{
|
|
InterInstruction* xins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONVERSION_OPERATOR);
|
|
xins->mOperator = IA_EXT8TO16U;
|
|
xins->mSrc[0].mType = IT_INT8;
|
|
xins->mSrc[0].mTemp = stemp;
|
|
xins->mDst.mType = IT_INT16;
|
|
xins->mDst.mTemp = proc->AddTemporary(IT_INT16);
|
|
block->Append(xins);
|
|
stemp = xins->mDst.mTemp;
|
|
}
|
|
}
|
|
|
|
ins->mOperator = (vr.mType->mFlags & DTF_SIGNED) ? IA_INT2FLOAT : IA_UINT2FLOAT;
|
|
ins->mSrc[0].mType = IT_INT16;
|
|
ins->mSrc[0].mTemp = stemp;
|
|
ins->mDst.mType = InterTypeOf(exp->mDecType);
|
|
ins->mDst.mTemp = proc->AddTemporary(ins->mDst.mType);
|
|
block->Append(ins);
|
|
}
|
|
else if (exp->mDecType->IsIntegerType() && vr.mType->mType == DT_TYPE_FLOAT)
|
|
{
|
|
vr = Dereference(proc, exp, block, inlineMapper, vr);
|
|
ins->mOperator = (exp->mDecType->mFlags & DTF_SIGNED) ? IA_FLOAT2INT : IA_FLOAT2UINT;
|
|
ins->mSrc[0].mType = InterTypeOf(vr.mType);
|
|
ins->mSrc[0].mTemp = vr.mTemp;
|
|
ins->mDst.mType = IT_INT16;
|
|
ins->mDst.mTemp = proc->AddTemporary(IT_INT16);
|
|
block->Append(ins);
|
|
|
|
if (exp->mDecType->mSize == 1)
|
|
{
|
|
InterInstruction* xins = new InterInstruction(MapLocation(exp, inlineMapper), IC_TYPECAST);
|
|
xins->mSrc[0].mType = IT_INT16;
|
|
xins->mSrc[0].mTemp = ins->mDst.mTemp;
|
|
xins->mDst.mType = InterTypeOf(exp->mDecType);
|
|
xins->mDst.mTemp = proc->AddTemporary(ins->mDst.mType);
|
|
block->Append(xins);
|
|
ins = xins;
|
|
}
|
|
}
|
|
else if (exp->mDecType->mType == DT_TYPE_POINTER && vr.mType->mType == DT_TYPE_POINTER)
|
|
{
|
|
// no need for actual operation when casting pointer to pointer
|
|
return ExValue(exp->mDecType, vr.mTemp, vr.mReference);
|
|
}
|
|
else if (exp->mDecType->mType == DT_TYPE_POINTER && vr.mType->mType == DT_TYPE_ARRAY)
|
|
{
|
|
// no need for actual operation when casting pointer to pointer
|
|
return ExValue(exp->mDecType, vr.mTemp, vr.mReference - 1);
|
|
}
|
|
else if (exp->mDecType->mType != DT_TYPE_VOID && vr.mType->mType == DT_TYPE_VOID)
|
|
{
|
|
mErrors->Error(exp->mLocation, EERR_INCOMPATIBLE_OPERATOR, "Cannot cast void object to non void object");
|
|
return ExValue(exp->mDecType, vr.mTemp, vr.mReference);
|
|
}
|
|
else if (exp->mDecType->IsIntegerType() && vr.mType->IsIntegerType())
|
|
{
|
|
vr = Dereference(proc, exp, block, inlineMapper, vr);
|
|
return CoerceType(proc, exp, block, inlineMapper, vr, exp->mDecType);
|
|
}
|
|
else if (exp->mDecType->mType == DT_TYPE_VOID)
|
|
{
|
|
}
|
|
else if (exp->mDecType->IsReference() && exp->mDecType->mBase->IsConstSame(vr.mType))
|
|
{
|
|
if (vr.mReference == 0)
|
|
mErrors->Error(exp->mLocation, EERR_NOT_AN_LVALUE, "Not an L value");
|
|
|
|
vr = Dereference(proc, exp, block, inlineMapper, vr, 1);
|
|
return ExValue(exp->mDecType, vr.mTemp);
|
|
}
|
|
else
|
|
{
|
|
if (vr.mType->mType == DT_TYPE_ARRAY)
|
|
vr = Dereference(proc, exp, block, inlineMapper, vr, 1);
|
|
else
|
|
vr = Dereference(proc, exp, block, inlineMapper, vr);
|
|
ins->mCode = IC_TYPECAST;
|
|
ins->mSrc[0].mType = vr.mReference > 0 ? IT_POINTER : InterTypeOf(vr.mType);
|
|
ins->mSrc[0].mTemp = vr.mTemp;
|
|
ins->mDst.mType = InterTypeOf(exp->mDecType);
|
|
ins->mDst.mTemp = proc->AddTemporary(ins->mDst.mType);
|
|
block->Append(ins);
|
|
}
|
|
|
|
return ExValue(exp->mDecType, ins->mDst.mTemp);
|
|
}
|
|
break;
|
|
|
|
case EX_LOGICAL_AND:
|
|
case EX_LOGICAL_OR:
|
|
{
|
|
InterInstruction* jins0 = new InterInstruction(MapLocation(exp, inlineMapper), IC_JUMP);
|
|
InterInstruction* jins1 = new InterInstruction(MapLocation(exp, inlineMapper), IC_JUMP);
|
|
|
|
InterCodeBasicBlock* tblock = new InterCodeBasicBlock(proc);
|
|
InterCodeBasicBlock* fblock = new InterCodeBasicBlock(proc);
|
|
InterCodeBasicBlock* eblock = new InterCodeBasicBlock(proc);
|
|
|
|
TranslateLogic(procType, proc, block, tblock, fblock, exp, destack, gotos, inlineMapper);
|
|
|
|
int ttemp = proc->AddTemporary(IT_BOOL);
|
|
|
|
InterInstruction* tins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
|
|
tins->mConst.mType = IT_BOOL;
|
|
tins->mConst.mIntConst = 1;
|
|
tins->mDst.mType = IT_BOOL;
|
|
tins->mDst.mTemp = ttemp;
|
|
tblock->Append(tins);
|
|
|
|
InterInstruction* fins = new InterInstruction(MapLocation(exp, inlineMapper), IC_CONSTANT);
|
|
fins->mConst.mType = IT_BOOL;
|
|
fins->mConst.mIntConst = 0;
|
|
fins->mDst.mType = IT_BOOL;
|
|
fins->mDst.mTemp = ttemp;
|
|
fblock->Append(fins);
|
|
|
|
tblock->Append(jins0);
|
|
tblock->Close(eblock, nullptr);
|
|
|
|
fblock->Append(jins1);
|
|
fblock->Close(eblock, nullptr);
|
|
|
|
block = eblock;
|
|
|
|
return ExValue(TheBoolTypeDeclaration, ttemp);
|
|
|
|
} break;
|
|
|
|
case EX_SCOPE:
|
|
{
|
|
DestructStack* odestack = destack;
|
|
|
|
TranslateExpression(procType, proc, block, exp->mLeft, destack, gotos, breakBlock, continueBlock, inlineMapper);
|
|
|
|
UnwindDestructStack(procType, proc, block, destack, odestack, inlineMapper);
|
|
destack = odestack;
|
|
|
|
return ExValue(TheVoidTypeDeclaration);
|
|
|
|
} break;
|
|
|
|
case EX_DISPATCH:
|
|
{
|
|
vl = TranslateExpression(procType, proc, block, exp->mLeft, destack, gotos, breakBlock, continueBlock, inlineMapper);
|
|
vl = Dereference(proc, exp, block, inlineMapper, vl);
|
|
|
|
InterInstruction* ins = new InterInstruction(MapLocation(exp, inlineMapper), IC_DISPATCH);
|
|
ins->mSrc[0].mType = IT_POINTER;
|
|
ins->mSrc[0].mTemp = vl.mTemp;
|
|
|
|
block->Append(ins);
|
|
|
|
Declaration* dinit = exp->mLeft->mLeft->mDecValue->mValue->mDecValue->mParams;
|
|
while (dinit)
|
|
{
|
|
proc->mModule->mProcedures[dinit->mValue->mDecValue->mVarIndex]->mDispatchedCall = true;
|
|
proc->AddCalledFunction(proc->mModule->mProcedures[dinit->mValue->mDecValue->mVarIndex]);
|
|
dinit = dinit->mNext;
|
|
}
|
|
|
|
|
|
// proc->CallsFunctionPointer();
|
|
|
|
return ExValue(TheVoidTypeDeclaration);
|
|
}
|
|
|
|
case EX_WHILE:
|
|
{
|
|
DestructStack* odestack = destack;
|
|
|
|
InterInstruction * jins0 = new InterInstruction(MapLocation(exp, inlineMapper), IC_JUMP);
|
|
InterInstruction* jins1 = new InterInstruction(MapLocation(exp, inlineMapper), IC_JUMP);
|
|
|
|
InterCodeBasicBlock* cblock = new InterCodeBasicBlock(proc);
|
|
InterCodeBasicBlock* lblock = cblock;
|
|
InterCodeBasicBlock* bblock = new InterCodeBasicBlock(proc);
|
|
InterCodeBasicBlock* eblock = new InterCodeBasicBlock(proc);
|
|
|
|
block->Append(jins0);
|
|
block->Close(cblock, nullptr);
|
|
|
|
TranslateLogic(procType, proc, cblock, bblock, eblock, exp->mLeft, destack, gotos, inlineMapper);
|
|
|
|
DestructStack* idestack = destack;
|
|
|
|
vr = TranslateExpression(procType, proc, bblock, exp->mRight, destack, gotos, BranchTarget(eblock, odestack), BranchTarget(lblock, idestack), inlineMapper);
|
|
|
|
UnwindDestructStack(procType, proc, bblock, destack, idestack, inlineMapper);
|
|
destack = idestack;
|
|
|
|
bblock->Append(jins1);
|
|
bblock->Close(lblock, nullptr);
|
|
|
|
block = eblock;
|
|
|
|
UnwindDestructStack(procType, proc, block, destack, odestack, inlineMapper);
|
|
destack = odestack;
|
|
|
|
return ExValue(TheVoidTypeDeclaration);
|
|
}
|
|
|
|
case EX_IF:
|
|
{
|
|
DestructStack* odestack = destack;
|
|
|
|
InterInstruction * jins0 = new InterInstruction(MapLocation(exp, inlineMapper), IC_JUMP);
|
|
InterInstruction* jins1 = new InterInstruction(MapLocation(exp, inlineMapper), IC_JUMP);
|
|
|
|
InterCodeBasicBlock* tblock = new InterCodeBasicBlock(proc);
|
|
InterCodeBasicBlock* fblock = new InterCodeBasicBlock(proc);
|
|
InterCodeBasicBlock* eblock = new InterCodeBasicBlock(proc);
|
|
|
|
TranslateLogic(procType, proc, block, tblock, fblock, exp->mLeft, destack, gotos, inlineMapper);
|
|
|
|
DestructStack* itdestack = destack;
|
|
vr = TranslateExpression(procType, proc, tblock, exp->mRight->mLeft, destack, gotos, breakBlock, continueBlock, inlineMapper);
|
|
UnwindDestructStack(procType, proc, tblock, destack, itdestack, inlineMapper);
|
|
destack = itdestack;
|
|
|
|
tblock->Append(jins0);
|
|
tblock->Close(eblock, nullptr);
|
|
|
|
if (exp->mRight->mRight)
|
|
{
|
|
DestructStack* ifdestack = destack;
|
|
vr = TranslateExpression(procType, proc, fblock, exp->mRight->mRight, destack, gotos, breakBlock, continueBlock, inlineMapper);
|
|
UnwindDestructStack(procType, proc, fblock, destack, ifdestack, inlineMapper);
|
|
destack = ifdestack;
|
|
}
|
|
fblock->Append(jins1);
|
|
fblock->Close(eblock, nullptr);
|
|
|
|
block = eblock;
|
|
|
|
UnwindDestructStack(procType, proc, block, destack, odestack, inlineMapper);
|
|
destack = odestack;
|
|
|
|
return ExValue(TheVoidTypeDeclaration);
|
|
}
|
|
|
|
case EX_FOR:
|
|
{
|
|
DestructStack* odestack = destack;
|
|
|
|
// assignment
|
|
if (exp->mLeft->mRight)
|
|
TranslateExpression(procType, proc, block, exp->mLeft->mRight, destack, gotos, breakBlock, continueBlock, inlineMapper);
|
|
|
|
InterInstruction* jins0 = new InterInstruction(MapLocation(exp, inlineMapper), IC_JUMP);
|
|
InterInstruction* jins1 = new InterInstruction(MapLocation(exp, inlineMapper), IC_JUMP);
|
|
InterInstruction* jins2 = new InterInstruction(MapLocation(exp, inlineMapper), IC_JUMP);
|
|
InterInstruction* jins3 = new InterInstruction(MapLocation(exp, inlineMapper), IC_JUMP);
|
|
|
|
InterCodeBasicBlock* cblock = new InterCodeBasicBlock(proc);
|
|
InterCodeBasicBlock* lblock = cblock;
|
|
InterCodeBasicBlock* bblock = new InterCodeBasicBlock(proc);
|
|
InterCodeBasicBlock* iblock = new InterCodeBasicBlock(proc);
|
|
InterCodeBasicBlock* eblock = new InterCodeBasicBlock(proc);
|
|
|
|
block->Append(jins0);
|
|
block->Close(cblock, nullptr);
|
|
|
|
// condition
|
|
if (exp->mLeft->mLeft->mLeft)
|
|
TranslateLogic(procType, proc, cblock, bblock, eblock, exp->mLeft->mLeft->mLeft, destack, gotos, inlineMapper);
|
|
else
|
|
{
|
|
cblock->Append(jins1);
|
|
cblock->Close(bblock, nullptr);
|
|
}
|
|
|
|
// Body
|
|
|
|
DestructStack* idestack = destack;
|
|
|
|
vr = TranslateExpression(procType, proc, bblock, exp->mRight, destack, gotos, BranchTarget(eblock, odestack), BranchTarget(iblock, idestack), inlineMapper);
|
|
|
|
UnwindDestructStack(procType, proc, bblock, destack, idestack, inlineMapper);
|
|
destack = idestack;
|
|
|
|
bblock->Append(jins2);
|
|
bblock->Close(iblock, nullptr);
|
|
|
|
// increment
|
|
if (exp->mLeft->mLeft->mRight)
|
|
TranslateExpression(procType, proc, iblock, exp->mLeft->mLeft->mRight, destack, gotos, breakBlock, continueBlock, inlineMapper);
|
|
|
|
iblock->Append(jins3);
|
|
iblock->Close(lblock, nullptr);
|
|
|
|
block = eblock;
|
|
|
|
UnwindDestructStack(procType, proc, block, destack, odestack, inlineMapper);
|
|
destack = odestack;
|
|
|
|
return ExValue(TheVoidTypeDeclaration);
|
|
}
|
|
|
|
case EX_DO:
|
|
{
|
|
DestructStack* odestack = destack;
|
|
|
|
InterInstruction * jins = new InterInstruction(MapLocation(exp, inlineMapper), IC_JUMP);
|
|
|
|
InterCodeBasicBlock* cblock = new InterCodeBasicBlock(proc);
|
|
InterCodeBasicBlock* lblock = cblock;
|
|
InterCodeBasicBlock* eblock = new InterCodeBasicBlock(proc);
|
|
|
|
block->Append(jins);
|
|
block->Close(cblock, nullptr);
|
|
|
|
DestructStack* idestack = destack;
|
|
|
|
vr = TranslateExpression(procType, proc, cblock, exp->mRight, destack, gotos, BranchTarget(eblock, odestack), BranchTarget(cblock, idestack), inlineMapper);
|
|
|
|
UnwindDestructStack(procType, proc, cblock, destack, idestack, inlineMapper);
|
|
destack = idestack;
|
|
|
|
TranslateLogic(procType, proc, cblock, lblock, eblock, exp->mLeft, destack, gotos, inlineMapper);
|
|
|
|
block = eblock;
|
|
|
|
UnwindDestructStack(procType, proc, block, destack, odestack, inlineMapper);
|
|
destack = odestack;
|
|
|
|
return ExValue(TheVoidTypeDeclaration);
|
|
}
|
|
|
|
case EX_LABEL:
|
|
{
|
|
GotoNode* g = new GotoNode();
|
|
g->mNext = gotos;
|
|
g->mExpr = exp;
|
|
g->mBlock = new InterCodeBasicBlock(proc);
|
|
g->mDestruct = destack;
|
|
InterInstruction* jins = new InterInstruction(MapLocation(exp, inlineMapper), IC_JUMP);
|
|
block->Append(jins);
|
|
block->Close(g->mBlock, nullptr);
|
|
block = g->mBlock;
|
|
gotos = g;
|
|
return ExValue(TheVoidTypeDeclaration);
|
|
}
|
|
|
|
case EX_GOTO:
|
|
{
|
|
GotoNode* g = new GotoNode();
|
|
g->mNext = gotos;
|
|
g->mExpr = exp;
|
|
g->mBlock = block;
|
|
g->mDestruct = destack;
|
|
InterInstruction* jins = new InterInstruction(MapLocation(exp, inlineMapper), IC_JUMP);
|
|
block->Append(jins);
|
|
|
|
block = new InterCodeBasicBlock(proc);
|
|
gotos = g;
|
|
return ExValue(TheVoidTypeDeclaration);
|
|
}
|
|
|
|
case EX_SWITCH:
|
|
{
|
|
DestructStack* odestack = destack;
|
|
|
|
vl = TranslateExpression(procType, proc, block, exp->mLeft, destack, gotos, breakBlock, continueBlock, inlineMapper);
|
|
vl = Dereference(proc, exp, block, inlineMapper, vl);
|
|
|
|
int vleft = 0, vright = 65535;
|
|
|
|
if (vl.mType->mSize == 1)
|
|
{
|
|
if (vl.mType->mFlags & DTF_SIGNED)
|
|
{
|
|
vleft = -128;
|
|
vright = 127;
|
|
}
|
|
else
|
|
vright = 255;
|
|
}
|
|
else if (vl.mType->mFlags & DTF_SIGNED)
|
|
{
|
|
vleft = -32768;
|
|
vright = 32767;
|
|
}
|
|
|
|
vl = CoerceType(proc, exp, block, inlineMapper, vl, TheSignedIntTypeDeclaration);
|
|
|
|
InterCodeBasicBlock * dblock = nullptr;
|
|
InterCodeBasicBlock* sblock = block;
|
|
|
|
block = nullptr;
|
|
|
|
InterCodeBasicBlock* eblock = new InterCodeBasicBlock(proc);
|
|
|
|
SwitchNodeArray switchNodes({ 0 });
|
|
|
|
Expression* sexp = exp->mRight;
|
|
while (sexp)
|
|
{
|
|
Expression* cexp = sexp->mLeft;
|
|
if (cexp->mType == EX_CASE)
|
|
{
|
|
SwitchNode snode;
|
|
snode.mLower = snode.mUpper = 0;
|
|
snode.mBlock = nullptr;
|
|
|
|
if (cexp->mLeft->mType == EX_CONSTANT && cexp->mLeft->mDecValue->mType == DT_CONST_INTEGER)
|
|
snode.mLower = snode.mUpper = int(cexp->mLeft->mDecValue->mInteger);
|
|
else if (cexp->mLeft->mType == EX_LIST)
|
|
{
|
|
Expression* rexp = cexp->mLeft;
|
|
|
|
if (rexp->mLeft->mType == EX_CONSTANT && rexp->mLeft->mDecValue->mType == DT_CONST_INTEGER &&
|
|
rexp->mRight->mType == EX_CONSTANT && rexp->mRight->mDecValue->mType == DT_CONST_INTEGER)
|
|
{
|
|
snode.mLower = int(rexp->mLeft->mDecValue->mInteger);
|
|
snode.mUpper = int(rexp->mRight->mDecValue->mInteger);
|
|
}
|
|
else
|
|
mErrors->Error(cexp->mLeft->mLocation, ERRR_INVALID_CASE, "Integral constant range expected");
|
|
}
|
|
else
|
|
mErrors->Error(cexp->mLeft->mLocation, ERRR_INVALID_CASE, "Integral constant expected");
|
|
|
|
int i = 0;
|
|
while (i < switchNodes.Size() && snode.mLower > switchNodes[i].mLower)
|
|
i++;
|
|
if (i < switchNodes.Size() && snode.mUpper >= switchNodes[i].mLower)
|
|
mErrors->Error(cexp->mLeft->mLocation, ERRR_INVALID_CASE, "Duplicate case constant");
|
|
else
|
|
{
|
|
if (block && block->mInstructions.Size() == 0)
|
|
snode.mBlock = block;
|
|
else
|
|
{
|
|
InterCodeBasicBlock* nblock = new InterCodeBasicBlock(proc);
|
|
snode.mBlock = nblock;
|
|
|
|
if (block)
|
|
{
|
|
InterInstruction* jins = new InterInstruction(MapLocation(exp, inlineMapper), IC_JUMP);
|
|
|
|
block->Append(jins);
|
|
block->Close(nblock, nullptr);
|
|
}
|
|
|
|
block = nblock;
|
|
}
|
|
switchNodes.Insert(i, snode);
|
|
}
|
|
}
|
|
else if (cexp->mType == EX_DEFAULT)
|
|
{
|
|
if (!dblock)
|
|
{
|
|
dblock = new InterCodeBasicBlock(proc);
|
|
|
|
if (block)
|
|
{
|
|
InterInstruction* jins = new InterInstruction(MapLocation(exp, inlineMapper), IC_JUMP);
|
|
|
|
block->Append(jins);
|
|
block->Close(dblock, nullptr);
|
|
}
|
|
|
|
block = dblock;
|
|
}
|
|
else
|
|
mErrors->Error(cexp->mLocation, EERR_DUPLICATE_DEFAULT, "Duplicate default");
|
|
}
|
|
|
|
if (cexp->mRight)
|
|
TranslateExpression(procType, proc, block, cexp->mRight, destack, gotos, BranchTarget(eblock, odestack), continueBlock, inlineMapper);
|
|
|
|
sexp = sexp->mRight;
|
|
}
|
|
|
|
if (switchNodes.Size() > 0)
|
|
{
|
|
int i = 1, j = 1;
|
|
while (i < switchNodes.Size())
|
|
{
|
|
if (switchNodes[i].mBlock == switchNodes[j - 1].mBlock && switchNodes[i].mLower == switchNodes[j - 1].mUpper + 1)
|
|
switchNodes[j - 1].mUpper = switchNodes[i].mUpper;
|
|
else
|
|
switchNodes[j++] = switchNodes[i];
|
|
i++;
|
|
}
|
|
switchNodes.SetSize(j);
|
|
}
|
|
|
|
BuildSwitchTree(proc, exp, sblock, inlineMapper, vl, switchNodes, 0, switchNodes.Size(), vleft, vright, dblock ? dblock : eblock);
|
|
|
|
if (block)
|
|
{
|
|
UnwindDestructStack(procType, proc, block, destack, odestack, inlineMapper);
|
|
|
|
InterInstruction* jins = new InterInstruction(MapLocation(exp, inlineMapper), IC_JUMP);
|
|
|
|
block->Append(jins);
|
|
block->Close(eblock, nullptr);
|
|
}
|
|
|
|
block = eblock;
|
|
|
|
destack = odestack;
|
|
|
|
return ExValue(TheVoidTypeDeclaration);
|
|
}
|
|
default:
|
|
mErrors->Error(exp->mLocation, EERR_UNIMPLEMENTED, "Unimplemented expression");
|
|
return ExValue(TheVoidTypeDeclaration);
|
|
}
|
|
}
|
|
}
|
|
|
|
void InterCodeGenerator::BuildInitializer(InterCodeModule * mod, uint8* dp, int offset, Declaration* data, InterVariable * variable)
|
|
{
|
|
if (data->mType == DT_CONST_DATA)
|
|
{
|
|
memcpy(dp + offset, data->mData, data->mBase->mSize);
|
|
}
|
|
else if (data->mType == DT_CONST_STRUCT)
|
|
{
|
|
Declaration* mdec = data->mParams;
|
|
while (mdec)
|
|
{
|
|
BuildInitializer(mod, dp, offset + mdec->mOffset, mdec, variable);
|
|
mdec = mdec->mNext;
|
|
}
|
|
}
|
|
else if (data->mType == DT_CONST_INTEGER)
|
|
{
|
|
int64 t = data->mInteger;
|
|
if (data->mBits)
|
|
{
|
|
if (data->mBits + data->mShift <= 8)
|
|
{
|
|
uint8 mask = uint8(((1 << data->mBits) - 1) << data->mShift);
|
|
dp[offset] = (dp[offset] & ~mask) | (uint8(t << data->mShift) & mask);
|
|
}
|
|
else if (data->mBits + data->mShift <= 16)
|
|
{
|
|
uint16 mask = uint16(((1 << data->mBits) - 1) << data->mShift);
|
|
|
|
dp[offset + 0] = (dp[offset + 0] & ~(mask & 0xff)) | (uint8(t << data->mShift) & (mask & 0xff));
|
|
dp[offset + 1] = (dp[offset + 1] & ~(mask >> 8)) | (uint8(t >> (8 - data->mShift)) & (mask >> 8));
|
|
}
|
|
else
|
|
{
|
|
uint32 mask = uint32(((1 << data->mBits) - 1) << data->mShift);
|
|
t = (t << data->mShift) & mask;
|
|
|
|
dp[offset + 0] = (dp[offset + 0] & ~(mask & 0xff)) | (uint8(t ));
|
|
dp[offset + 1] = (dp[offset + 1] & ~(mask >> 8)) | (uint8(t >> 8));
|
|
dp[offset + 2] = (dp[offset + 2] & ~(mask >> 16)) | (uint8(t >> 16));
|
|
dp[offset + 3] = (dp[offset + 3] & ~(mask >> 24)) | (uint8(t >> 24));
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for (int i = 0; i < data->mBase->mSize; i++)
|
|
{
|
|
dp[offset + i * data->mBase->mStripe] = uint8(t & 0xff);
|
|
t >>= 8;
|
|
}
|
|
}
|
|
}
|
|
else if (data->mType == DT_CONST_ADDRESS)
|
|
{
|
|
int64 t = data->mInteger;
|
|
dp[offset + 0] = uint8(t & 0xff);
|
|
dp[offset + data->mBase->mStripe] = uint8(t >> 8);
|
|
}
|
|
else if (data->mType == DT_CONST_FLOAT)
|
|
{
|
|
union { float f; uint32 i; } cast;
|
|
cast.f = float(data->mNumber);
|
|
int64 t = cast.i;
|
|
for (int i = 0; i < 4; i++)
|
|
{
|
|
dp[offset + i * data->mBase->mStripe] = t & 0xff;
|
|
t >>= 8;
|
|
}
|
|
}
|
|
else if (data->mType == DT_CONST_ASSEMBLER)
|
|
{
|
|
if (!data->mLinkerObject)
|
|
TranslateAssembler(mod, data->mValue, nullptr);
|
|
|
|
LinkerReference ref;
|
|
ref.mObject = variable->mLinkerObject;
|
|
ref.mOffset = offset;
|
|
ref.mFlags = LREF_LOWBYTE | LREF_HIGHBYTE;
|
|
ref.mRefObject = data->mLinkerObject;
|
|
ref.mRefOffset = 0;
|
|
variable->mLinkerObject->AddReference(ref);
|
|
}
|
|
else if (data->mType == DT_CONST_FUNCTION)
|
|
{
|
|
assert(false);
|
|
}
|
|
else if (data->mType == DT_CONST_CONSTRUCTOR)
|
|
{
|
|
Declaration* dec = new Declaration(data->mLocation, DT_VARIABLE_REF);
|
|
dec->mBase = variable->mDeclaration;
|
|
dec->mOffset = offset;
|
|
DestructStack* destack = nullptr;
|
|
GotoNode* gotos = nullptr;
|
|
data->mValue->mRight->mDecValue = dec;
|
|
dec->mBase->mFlags |= DTF_VAR_ALIASING;
|
|
TranslateExpression(nullptr, mMainInitProc, mMainInitBlock, data->mValue, destack, gotos, BranchTarget(), BranchTarget(), nullptr);
|
|
}
|
|
else if (data->mType == DT_CONST_POINTER)
|
|
{
|
|
Expression* exp = data->mValue;
|
|
Declaration* dec = exp->mDecValue;
|
|
|
|
LinkerReference ref;
|
|
ref.mObject = variable->mLinkerObject;
|
|
ref.mOffset = offset;
|
|
ref.mFlags = LREF_LOWBYTE | LREF_HIGHBYTE;
|
|
|
|
switch (dec->mType)
|
|
{
|
|
case DT_CONST_DATA:
|
|
{
|
|
if (!dec->mLinkerObject)
|
|
{
|
|
dec->mVarIndex = mod->mGlobalVars.Size();
|
|
InterVariable* var = new InterVariable();
|
|
var->mIndex = dec->mVarIndex;
|
|
var->mOffset = 0;
|
|
var->mSize = dec->mSize;
|
|
if (dec->mFlags & DTF_VAR_ALIASING)
|
|
var->mAliased = true;
|
|
var->mLinkerObject = mLinker->AddObject(dec->mLocation, dec->mQualIdent, dec->mSection, LOT_DATA, dec->mAlignment);
|
|
var->mLinkerObject->mVariable = var;
|
|
dec->mLinkerObject = var->mLinkerObject;
|
|
var->mLinkerObject->AddData(dec->mData, dec->mSize);
|
|
mod->mGlobalVars.Push(var);
|
|
}
|
|
|
|
ref.mRefObject = dec->mLinkerObject;
|
|
ref.mRefOffset = 0;
|
|
break;
|
|
}
|
|
case DT_CONST_FUNCTION:
|
|
if (!dec->mLinkerObject)
|
|
{
|
|
InterCodeProcedure* cproc = this->TranslateProcedure(mod, dec->mValue, dec);
|
|
}
|
|
|
|
ref.mRefObject = dec->mLinkerObject;
|
|
ref.mRefOffset = 0;
|
|
break;
|
|
|
|
case DT_VARIABLE:
|
|
{
|
|
if (!dec->mLinkerObject)
|
|
{
|
|
InitGlobalVariable(mod, dec);
|
|
}
|
|
|
|
ref.mRefObject = dec->mLinkerObject;
|
|
ref.mRefOffset = 0;
|
|
} break;
|
|
|
|
case DT_VARIABLE_REF:
|
|
{
|
|
if (!dec->mBase->mLinkerObject)
|
|
{
|
|
InitGlobalVariable(mod, dec->mBase);
|
|
}
|
|
|
|
ref.mRefObject = dec->mBase->mLinkerObject;
|
|
ref.mRefOffset = dec->mOffset;
|
|
} break;
|
|
|
|
}
|
|
|
|
if (data->mBase->mStripe == 1)
|
|
variable->mLinkerObject->AddReference(ref);
|
|
else
|
|
{
|
|
ref.mFlags = LREF_LOWBYTE;
|
|
variable->mLinkerObject->AddReference(ref);
|
|
ref.mFlags = LREF_HIGHBYTE;
|
|
ref.mOffset += data->mBase->mStripe;
|
|
variable->mLinkerObject->AddReference(ref);
|
|
}
|
|
}
|
|
}
|
|
|
|
void InterCodeGenerator::TranslateLogic(Declaration* procType, InterCodeProcedure* proc, InterCodeBasicBlock* block, InterCodeBasicBlock* tblock, InterCodeBasicBlock* fblock, Expression* exp, DestructStack*& destack, GotoNode*& gotos, InlineMapper* inlineMapper)
|
|
{
|
|
switch (exp->mType)
|
|
{
|
|
case EX_LOGICAL_NOT:
|
|
TranslateLogic(procType, proc, block, fblock, tblock, exp->mLeft, destack, gotos, inlineMapper);
|
|
break;
|
|
case EX_LOGICAL_AND:
|
|
{
|
|
InterCodeBasicBlock* ablock = new InterCodeBasicBlock(proc);
|
|
TranslateLogic(procType, proc, block, ablock, fblock, exp->mLeft, destack, gotos, inlineMapper);
|
|
TranslateLogic(procType, proc, ablock, tblock, fblock, exp->mRight, destack, gotos, inlineMapper);
|
|
break;
|
|
}
|
|
case EX_LOGICAL_OR:
|
|
{
|
|
InterCodeBasicBlock* oblock = new InterCodeBasicBlock(proc);
|
|
TranslateLogic(procType, proc, block, tblock, oblock, exp->mLeft, destack, gotos, inlineMapper);
|
|
TranslateLogic(procType, proc, oblock, tblock, fblock, exp->mRight, destack, gotos, inlineMapper);
|
|
break;
|
|
}
|
|
default:
|
|
{
|
|
ExValue vr = TranslateExpression(procType, proc, block, exp, destack, gotos, BranchTarget(), BranchTarget(), inlineMapper);
|
|
|
|
if (vr.mType->mType == DT_TYPE_ARRAY)
|
|
vr = Dereference(proc, exp, block, inlineMapper, vr, 1);
|
|
else
|
|
{
|
|
vr = Dereference(proc, exp, block, inlineMapper, vr);
|
|
if (!vr.mType->IsSimpleType())
|
|
mErrors->Error(exp->mLocation, EERR_INCOMPATIBLE_TYPES, "Not a valid condition value");
|
|
}
|
|
|
|
InterInstruction* ins = new InterInstruction(MapLocation(exp, inlineMapper), IC_BRANCH);
|
|
ins->mSrc[0].mType = InterTypeOf(vr.mType);
|
|
ins->mSrc[0].mTemp = vr.mTemp;
|
|
block->Append(ins);
|
|
|
|
block->Close(tblock, fblock);
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
static InterCodeGenerator::DestructStack* FindBase(InterCodeGenerator::DestructStack* sfrom, InterCodeGenerator::DestructStack* sto)
|
|
{
|
|
while (sfrom)
|
|
{
|
|
InterCodeGenerator::DestructStack* s = sto;
|
|
while (s)
|
|
{
|
|
if (s == sfrom)
|
|
return s;
|
|
s = s->mNext;
|
|
}
|
|
|
|
sfrom = sfrom->mNext;
|
|
}
|
|
|
|
return sfrom;
|
|
}
|
|
|
|
InterCodeProcedure* InterCodeGenerator::TranslateProcedure(InterCodeModule * mod, Expression* exp, Declaration * dec)
|
|
{
|
|
InterCodeProcedure* proc = new InterCodeProcedure(mod, dec->mLocation, dec->mQualIdent, mLinker->AddObject(dec->mLocation, dec->mQualIdent, dec->mSection, LOT_BYTE_CODE, dec->mAlignment));
|
|
proc->mLinkerObject->mFullIdent = dec->FullIdent();
|
|
|
|
#if 0
|
|
if (proc->mIdent && !strcmp(proc->mIdent->mString, "main"))
|
|
exp->Dump(0);
|
|
#endif
|
|
#if 0
|
|
if (proc->mIdent)
|
|
{
|
|
printf("TRANS %s\n", proc->mIdent->mString);
|
|
exp->Dump(0);
|
|
}
|
|
#endif
|
|
|
|
uint64 outerCompilerOptions = mCompilerOptions;
|
|
mCompilerOptions = dec->mCompilerOptions;
|
|
|
|
proc->mCompilerOptions = mCompilerOptions;
|
|
|
|
|
|
dec->mVarIndex = proc->mID;
|
|
dec->mLinkerObject = proc->mLinkerObject;
|
|
proc->mNumLocals = dec->mNumVars;
|
|
proc->mNumParams = dec->mBase->mSize;
|
|
proc->mDeclaration = dec;
|
|
|
|
if (dec->mFlags & DTF_NATIVE)
|
|
proc->mNativeProcedure = true;
|
|
|
|
if (dec->mFlags & DTF_INTERRUPT)
|
|
proc->mInterrupt = true;
|
|
|
|
if (dec->mFlags & DTF_HWINTERRUPT)
|
|
proc->mHardwareInterrupt = true;
|
|
|
|
if (dec->mFlags & DTF_FUNC_INTRCALLED)
|
|
proc->mInterruptCalled = true;
|
|
|
|
if (dec->mFlags & DTF_DYNSTACK)
|
|
proc->mDynamicStack = true;
|
|
|
|
if (dec->mFlags & DTF_PREVENT_INLINE)
|
|
proc->mNoInline = true;
|
|
|
|
if (dec->mBase->mFlags & DTF_FASTCALL)
|
|
{
|
|
proc->mFastCallProcedure = true;
|
|
|
|
if (dec->mFastCallSize > 0)
|
|
{
|
|
proc->mFastCallBase = dec->mFastCallBase;
|
|
|
|
if (dec->mFastCallBase < BC_REG_FPARAMS_END - BC_REG_FPARAMS && dec->mFastCallSize > dec->mFastCallBase)
|
|
{
|
|
dec->mLinkerObject->mNumTemporaries = 1;
|
|
dec->mLinkerObject->mTemporaries[0] = BC_REG_FPARAMS + dec->mFastCallBase;
|
|
if (dec->mFastCallSize < BC_REG_FPARAMS_END - BC_REG_FPARAMS)
|
|
dec->mLinkerObject->mTempSizes[0] = dec->mFastCallSize - dec->mFastCallBase;
|
|
else
|
|
dec->mLinkerObject->mTempSizes[0] = BC_REG_FPARAMS_END - dec->mFastCallBase;
|
|
}
|
|
|
|
Declaration* pdec = dec->mBase->mParams;
|
|
while (pdec)
|
|
{
|
|
if (!(pdec->mFlags & DTF_FPARAM_UNUSED))
|
|
{
|
|
int start = pdec->mVarIndex + BC_REG_FPARAMS, end = start + pdec->mSize;
|
|
if (start < BC_REG_FPARAMS_END)
|
|
{
|
|
if (end > BC_REG_FPARAMS_END)
|
|
end = BC_REG_FPARAMS_END;
|
|
|
|
int i = 0;
|
|
while (i < dec->mLinkerObject->mNumTemporaries && (dec->mLinkerObject->mTemporaries[i] > end || dec->mLinkerObject->mTemporaries[i] + dec->mLinkerObject->mTempSizes[i] < start))
|
|
i++;
|
|
if (i < dec->mLinkerObject->mNumTemporaries)
|
|
{
|
|
if (dec->mLinkerObject->mTemporaries[i] > start)
|
|
{
|
|
dec->mLinkerObject->mTempSizes[i] += dec->mLinkerObject->mTemporaries[i] - start;
|
|
dec->mLinkerObject->mTemporaries[i] = start;
|
|
}
|
|
if (dec->mLinkerObject->mTemporaries[i] + dec->mLinkerObject->mTempSizes[i] < end)
|
|
dec->mLinkerObject->mTempSizes[i] = end - dec->mLinkerObject->mTemporaries[i];
|
|
}
|
|
else
|
|
{
|
|
dec->mLinkerObject->mTemporaries[i] = start;
|
|
dec->mLinkerObject->mTempSizes[i] = end - start;
|
|
dec->mLinkerObject->mNumTemporaries++;
|
|
}
|
|
}
|
|
}
|
|
pdec = pdec->mNext;
|
|
}
|
|
}
|
|
else
|
|
proc->mFastCallBase = BC_REG_FPARAMS_END - BC_REG_FPARAMS;
|
|
}
|
|
else
|
|
proc->mFastCallBase = BC_REG_FPARAMS_END - BC_REG_FPARAMS;
|
|
|
|
if (dec->mBase->mBase->mType != DT_TYPE_VOID && dec->mBase->mBase->mType != DT_TYPE_STRUCT)
|
|
{
|
|
proc->mValueReturn = true;
|
|
proc->mReturnType = InterTypeOf(dec->mBase->mBase);
|
|
}
|
|
|
|
InterCodeBasicBlock* entryBlock = new InterCodeBasicBlock(proc);
|
|
|
|
if (!strcmp(proc->mIdent->mString, "main"))
|
|
{
|
|
mMainInitBlock = entryBlock;
|
|
mMainInitProc = proc;
|
|
entryBlock = new InterCodeBasicBlock(proc);
|
|
}
|
|
|
|
InterCodeBasicBlock* exitBlock = entryBlock;
|
|
|
|
if (dec->mFlags & DTF_DEFINED)
|
|
{
|
|
if (mCompilerOptions & COPT_VERBOSE2)
|
|
printf("Generate intermediate code <%s>\n", proc->mIdent->mString);
|
|
#if 0
|
|
Declaration* pdec = dec->mBase->mParams;
|
|
while (pdec)
|
|
{
|
|
if (pdec->mFlags & DTF_FPARAM_CONST)
|
|
{
|
|
pdec->mVarIndex = proc->mNumLocals;
|
|
proc->mNumLocals ++;
|
|
dec->mNumVars++;
|
|
|
|
InitParameter(proc, pdec, pdec->mVarIndex + proc->mFastCallBase);
|
|
Expression* aexp = new Expression(pdec->mLocation, EX_ASSIGNMENT);
|
|
Expression* pexp = new Expression(pdec->mLocation, EX_VARIABLE);
|
|
|
|
pexp->mDecType = pdec->mBase;
|
|
pexp->mDecValue = pdec;
|
|
|
|
aexp->mDecType = pdec->mBase;
|
|
aexp->mToken = TK_ASSIGN;
|
|
aexp->mLeft = pexp;
|
|
aexp->mRight = pdec->mValue;
|
|
|
|
TranslateExpression(dec->mBase, proc, exitBlock, aexp, nullptr, nullptr, nullptr);
|
|
}
|
|
pdec = pdec->mNext;
|
|
}
|
|
#endif
|
|
|
|
DestructStack* destack = nullptr;
|
|
GotoNode* gotos = nullptr;
|
|
|
|
TranslateExpression(dec->mBase, proc, exitBlock, exp, destack, gotos, BranchTarget(), BranchTarget(), nullptr);
|
|
|
|
ConnectGotos(dec->mBase, proc, gotos, nullptr);
|
|
|
|
UnwindDestructStack(dec->mBase, proc, exitBlock, destack, nullptr, nullptr);
|
|
|
|
if (!strcmp(proc->mIdent->mString, "main"))
|
|
{
|
|
InterInstruction* ins = new InterInstruction(proc->mLocation, IC_JUMP);
|
|
mMainInitBlock->Append(ins);
|
|
mMainInitBlock->Close(entryBlock, nullptr);
|
|
}
|
|
}
|
|
else
|
|
mErrors->Error(dec->mLocation, EERR_UNDEFINED_OBJECT, "Calling undefined function", dec->mQualIdent->mString);
|
|
|
|
InterInstruction * ins = new InterInstruction(exp ? exp->mEndLocation : dec->mLocation, IC_RETURN);
|
|
exitBlock->Append(ins);
|
|
exitBlock->Close(nullptr, nullptr);
|
|
|
|
if (mErrors->mErrorCount == 0)
|
|
{
|
|
if (mCompilerOptions & COPT_VERBOSE2)
|
|
printf("Optimize intermediate code <%s>\n", proc->mIdent->mString);
|
|
|
|
proc->Close();
|
|
}
|
|
|
|
mCompilerOptions = outerCompilerOptions;
|
|
|
|
return proc;
|
|
}
|