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Issue error on "void" typed variable, function parameter, or struct member.

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This commit is contained in:
Matt Pharr
2012-02-06 07:44:45 -08:00
parent fa7a7fe23e
commit 977b983771
10 changed files with 56 additions and 1 deletions
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17
decl.cpp
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@@ -332,6 +332,11 @@ Declarator::GetType(const Type *base, DeclSpecs *ds) const {
break;
case DK_ARRAY:
if (type == AtomicType::Void) {
Error(pos, "Arrays of \"void\" type are illegal.");
return NULL;
}
type = new ArrayType(type, arraySize);
if (child)
return child->GetType(type, ds);
@@ -358,6 +363,11 @@ Declarator::GetType(const Type *base, DeclSpecs *ds) const {
"function parameter declaration for parameter \"%s\".",
lGetStorageClassName(d->declSpecs->storageClass),
sym->name.c_str());
if (sym->type == AtomicType::Void) {
Error(sym->pos, "Parameter with type \"void\" illegal in function "
"parameter list.");
sym->type = NULL;
}
const ArrayType *at = dynamic_cast<const ArrayType *>(sym->type);
if (at != NULL) {
@@ -544,7 +554,9 @@ Declaration::GetVariableDeclarations() const {
Symbol *sym = decl->GetSymbol();
sym->type = sym->type->ResolveUnboundVariability(Type::Varying);
if (dynamic_cast<const FunctionType *>(sym->type) == NULL) {
if (sym->type == AtomicType::Void)
Error(sym->pos, "\"void\" type variable illegal in declaration.");
else if (dynamic_cast<const FunctionType *>(sym->type) == NULL) {
m->symbolTable->AddVariable(sym);
vars.push_back(VariableDeclaration(sym, decl->initExpr));
}
@@ -611,6 +623,9 @@ GetStructTypesNamesPositions(const std::vector<StructDeclaration *> &sd,
Symbol *sym = d->GetSymbol();
if (sym->type == AtomicType::Void)
Error(d->pos, "\"void\" type illegal for struct member.");
const ArrayType *arrayType =
dynamic_cast<const ArrayType *>(sym->type);
if (arrayType != NULL && arrayType->GetElementCount() == 0) {