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Visibility in base classes

This commit is contained in:
drmortalwombat 2023-06-29 16:34:38 +02:00
parent 3d6b60c9f4
commit fa9aa9c2bb
2 changed files with 25 additions and 8 deletions
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27
oscar64/Parser.cpp
View File

@ -99,6 +99,15 @@ Declaration* Parser::ParseStructDeclaration(uint64 flags, DecType dt)
if ((mCompilerOptions & COPT_CPLUSPLUS) && mScanner->mToken == TK_COLON) if ((mCompilerOptions & COPT_CPLUSPLUS) && mScanner->mToken == TK_COLON)
{ {
mScanner->NextToken(); mScanner->NextToken();
uint64 pflags = flags;
if (ConsumeTokenIf(TK_PUBLIC))
pflags &= ~(DTF_PRIVATE | DTF_PROTECTED);
else if (ConsumeTokenIf(TK_PROTECTED))
pflags = (pflags & ~DTF_PRIVATE) | DTF_PROTECTED;
else if (ConsumeTokenIf(TK_PRIVATE))
pflags |= DTF_PRIVATE | DTF_PROTECTED;
Declaration* pdec = ParseQualIdent(); Declaration* pdec = ParseQualIdent();
if (pdec) if (pdec)
{ {
@ -106,6 +115,7 @@ Declaration* Parser::ParseStructDeclaration(uint64 flags, DecType dt)
{ {
Declaration* bcdec = new Declaration(mScanner->mLocation, DT_BASECLASS); Declaration* bcdec = new Declaration(mScanner->mLocation, DT_BASECLASS);
bcdec->mBase = pdec; bcdec->mBase = pdec;
bcdec->mFlags = pflags;
dec->mSize = pdec->mSize; dec->mSize = pdec->mSize;
@ -496,7 +506,7 @@ Declaration* Parser::ParseBaseTypeDeclaration(uint64 flags)
dec = ParseStructDeclaration(flags, DT_TYPE_STRUCT); dec = ParseStructDeclaration(flags, DT_TYPE_STRUCT);
break; break;
case TK_CLASS: case TK_CLASS:
dec = ParseStructDeclaration(flags | DTF_PRIVATE, DT_TYPE_STRUCT); dec = ParseStructDeclaration(flags | DTF_PRIVATE | DTF_PROTECTED, DT_TYPE_STRUCT);
break; break;
case TK_UNION: case TK_UNION:
dec = ParseStructDeclaration(flags, DT_TYPE_UNION); dec = ParseStructDeclaration(flags, DT_TYPE_UNION);
@ -3969,10 +3979,11 @@ Expression* Parser::ParseSimpleExpression(bool lhs)
return exp; return exp;
} }
Declaration* Parser::MemberLookup(Declaration* dtype, const Ident* ident, int & offset) Declaration* Parser::MemberLookup(Declaration* dtype, const Ident* ident, int & offset, uint64& flags)
{ {
Declaration* mdec = dtype->mScope->Lookup(ident); Declaration* mdec = dtype->mScope->Lookup(ident);
offset = 0; offset = 0;
flags = 0;
if (!mdec) if (!mdec)
{ {
@ -3981,7 +3992,9 @@ Declaration* Parser::MemberLookup(Declaration* dtype, const Ident* ident, int &
while (bcdec) while (bcdec)
{ {
int noffset; int noffset;
Declaration* ndec = MemberLookup(bcdec->mBase, ident, noffset); uint64 nflags;
Declaration* ndec = MemberLookup(bcdec->mBase, ident, noffset, nflags);
if (ndec) if (ndec)
{ {
if (mdec) if (mdec)
@ -3990,11 +4003,14 @@ Declaration* Parser::MemberLookup(Declaration* dtype, const Ident* ident, int &
{ {
mdec = ndec; mdec = ndec;
offset = noffset + bcdec->mOffset; offset = noffset + bcdec->mOffset;
flags = nflags | bcdec->mFlags;
} }
} }
bcdec = bcdec->mNext; bcdec = bcdec->mNext;
} }
} }
else
flags = mdec->mFlags;
return mdec; return mdec;
} }
@ -4014,11 +4030,12 @@ Expression* Parser::ParseQualify(Expression* exp)
if (mScanner->mToken == TK_IDENT) if (mScanner->mToken == TK_IDENT)
{ {
int moffset; int moffset;
Declaration* mdec = MemberLookup(dtype, mScanner->mTokenIdent, moffset); uint64 mflags;
Declaration* mdec = MemberLookup(dtype, mScanner->mTokenIdent, moffset, mflags);
if (mdec) if (mdec)
{ {
if (mdec->mFlags & DTF_PROTECTED) if (mflags & DTF_PROTECTED)
{ {
if (!mThisPointer || mThisPointer->mBase->IsConstSame(dtype)) if (!mThisPointer || mThisPointer->mBase->IsConstSame(dtype))
mErrors->Error(mScanner->mLocation, EERR_OBJECT_NOT_FOUND, "Struct member identifier not visible", mScanner->mTokenIdent); mErrors->Error(mScanner->mLocation, EERR_OBJECT_NOT_FOUND, "Struct member identifier not visible", mScanner->mTokenIdent);

2
oscar64/Parser.h
View File

@ -82,7 +82,7 @@ protected:
Expression* ParseStatement(void); Expression* ParseStatement(void);
Expression* ParseSwitchStatement(void); Expression* ParseSwitchStatement(void);
Declaration* MemberLookup(Declaration* dtype, const Ident * ident, int& offset); Declaration* MemberLookup(Declaration* dtype, const Ident * ident, int& offset, uint64 & flags);
Expression* ParseQualify(Expression * exp); Expression* ParseQualify(Expression * exp);