From 4fb35a7af20cafb97e568c4e21ee89bf46393c4b Mon Sep 17 00:00:00 2001
From: drmortalwombat <90205530+drmortalwombat@users.noreply.github.com>
Date: Mon, 20 May 2024 09:03:41 +0200
Subject: [PATCH] Add error when exceeding assembler limits

---
 oscar64/Errors.h               |  1 +
 oscar64/InterCode.h            |  2 +-
 oscar64/InterCodeGenerator.cpp | 11 ++++++++---
 3 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/oscar64/Errors.h b/oscar64/Errors.h
index b2d711a..a19365e 100644
--- a/oscar64/Errors.h
+++ b/oscar64/Errors.h
@@ -105,6 +105,7 @@ enum ErrorID
 	ERRR_STACK_OVERFLOW,
 	ERRR_INVALID_NUMBER,
 	EERR_OVERLAPPING_DATA_SECTIONS,
+	EERR_ASSEMBLER_LIMIT,
 
 	EERR_INVALID_PREPROCESSOR,
 
diff --git a/oscar64/InterCode.h b/oscar64/InterCode.h
index 944d09c..34c76c0 100644
--- a/oscar64/InterCode.h
+++ b/oscar64/InterCode.h
@@ -301,7 +301,7 @@ class InterInstruction
 public:
 	Location							mLocation;
 	InterCode							mCode;
-	InterOperand						mSrc[8];
+	InterOperand						mSrc[12];
 	InterOperand						mDst;
 	InterOperand						mConst;
 	InterOperator						mOperator;
diff --git a/oscar64/InterCodeGenerator.cpp b/oscar64/InterCodeGenerator.cpp
index 14031c2..657bab3 100644
--- a/oscar64/InterCodeGenerator.cpp
+++ b/oscar64/InterCodeGenerator.cpp
@@ -4055,9 +4055,14 @@ InterCodeGenerator::ExValue InterCodeGenerator::TranslateExpression(Declaration*
 					lins->mSrc[0].mOperandSize = vdec->mSize;
 					block->Append(lins);
 
-					jins->mSrc[jins->mNumOperands].mType = InterTypeOf(vdec->mBase);
-					jins->mSrc[jins->mNumOperands].mTemp = lins->mDst.mTemp;
-					jins->mNumOperands++;
+					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);