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Fixed all crashes due to refencing undefined types

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Introduced UndefinedType class to replace null pointer.

Done with Roberto Raggi
This commit is contained in:
Thorbjørn Lindeijer
2009-02-10 17:20:47 +01:00
parent c721304a47
commit 146a534932
6 changed files with 42 additions and 14 deletions
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24
src/shared/cplusplus/CheckSpecifier.cpp
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@@ -200,30 +200,30 @@ bool CheckSpecifier::visit(SimpleSpecifierAST *ast)
break;
case T_CHAR:
if (_fullySpecifiedType.type())
if (_fullySpecifiedType)
translationUnit()->error(ast->specifier_token,
"duplicate data type in declaration");
_fullySpecifiedType.setType(control()->integerType(IntegerType::Char));
break;
case T_WCHAR_T:
if (_fullySpecifiedType.type())
if (_fullySpecifiedType)
translationUnit()->error(ast->specifier_token,
"duplicate data type in declaration");
_fullySpecifiedType.setType(control()->integerType(IntegerType::WideChar));
break;
case T_BOOL:
if (_fullySpecifiedType.type())
if (_fullySpecifiedType)
translationUnit()->error(ast->specifier_token,
"duplicate data type in declaration");
_fullySpecifiedType.setType(control()->integerType(IntegerType::Bool));
break;
case T_SHORT:
if (Type *tp = _fullySpecifiedType.type()) {
if (_fullySpecifiedType) {
IntegerType *intType = control()->integerType(IntegerType::Int);
if (tp != intType)
if (_fullySpecifiedType.type() != intType)
translationUnit()->error(ast->specifier_token,
"duplicate data type in declaration");
}
@@ -231,7 +231,8 @@ bool CheckSpecifier::visit(SimpleSpecifierAST *ast)
break;
case T_INT:
if (Type *tp = _fullySpecifiedType.type()) {
if (_fullySpecifiedType) {
Type *tp = _fullySpecifiedType.type();
IntegerType *shortType = control()->integerType(IntegerType::Short);
IntegerType *longType = control()->integerType(IntegerType::Long);
IntegerType *longLongType = control()->integerType(IntegerType::LongLong);
@@ -244,7 +245,8 @@ bool CheckSpecifier::visit(SimpleSpecifierAST *ast)
break;
case T_LONG:
if (Type *tp = _fullySpecifiedType.type()) {
if (_fullySpecifiedType) {
Type *tp = _fullySpecifiedType.type();
IntegerType *intType = control()->integerType(IntegerType::Int);
IntegerType *longType = control()->integerType(IntegerType::Long);
FloatType *doubleType = control()->floatType(FloatType::Double);
@@ -263,16 +265,16 @@ bool CheckSpecifier::visit(SimpleSpecifierAST *ast)
break;
case T_FLOAT:
if (_fullySpecifiedType.type())
if (_fullySpecifiedType)
translationUnit()->error(ast->specifier_token,
"duplicate data type in declaration");
_fullySpecifiedType.setType(control()->floatType(FloatType::Float));
break;
case T_DOUBLE:
if (Type *tp = _fullySpecifiedType.type()) {
if (_fullySpecifiedType) {
IntegerType *longType = control()->integerType(IntegerType::Long);
if (tp == longType) {
if (_fullySpecifiedType.type() == longType) {
_fullySpecifiedType.setType(control()->floatType(FloatType::LongDouble));
break;
}
@@ -283,7 +285,7 @@ bool CheckSpecifier::visit(SimpleSpecifierAST *ast)
break;
case T_VOID:
if (_fullySpecifiedType.type())
if (_fullySpecifiedType)
translationUnit()->error(ast->specifier_token,
"duplicate data type in declaration");
_fullySpecifiedType.setType(control()->voidType());