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Small improvements to error location reporting, assertions in expr.cpp

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This commit is contained in:
Matt Pharr
2012-03-05 09:15:48 -08:00
parent ce82c3c0ae
commit b7df312ca7
1 changed files with 13 additions and 8 deletions
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21
expr.cpp
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@@ -2409,7 +2409,7 @@ BinaryExpr::Print() const {
static const char *
lOpString(AssignExpr::Op op) {
switch (op) {
case AssignExpr::Assign: return "=";
case AssignExpr::Assign: return "assignment operator";
case AssignExpr::MulAssign: return "*=";
case AssignExpr::DivAssign: return "/=";
case AssignExpr::ModAssign: return "%%=";
@@ -2629,7 +2629,7 @@ AssignExpr::TypeCheck() {
const FunctionType *ftype;
if (dynamic_cast<const PointerType *>(lvalueType) == NULL ||
(ftype = dynamic_cast<const FunctionType *>(lvalueType->GetBaseType())) == NULL) {
Error(pos, "Can't assign function pointer to type \"%s\".",
Error(lvalue->pos, "Can't assign function pointer to type \"%s\".",
lvalue->GetType()->GetString().c_str());
return NULL;
}
@@ -2674,13 +2674,13 @@ AssignExpr::TypeCheck() {
else if (op == Assign)
rvalue = TypeConvertExpr(rvalue, lhsType, "assignment");
else {
Error(pos, "Assignment operator \"%s\" is illegal with pointer types.",
Error(lvalue->pos, "Assignment operator \"%s\" is illegal with pointer types.",
lOpString(op));
return NULL;
}
}
else if (dynamic_cast<const ArrayType *>(lhsType) != NULL) {
Error(pos, "Illegal to assign to array type \"%s\".",
Error(lvalue->pos, "Illegal to assign to array type \"%s\".",
lhsType->GetString().c_str());
return NULL;
}
@@ -3922,8 +3922,10 @@ IndexExpr::TypeCheck() {
return NULL;
const Type *baseExprType = baseExpr->GetType();
if (baseExprType == NULL)
if (baseExprType == NULL) {
Assert(m->errorCount > 0);
return NULL;
}
if (!dynamic_cast<const SequentialType *>(baseExprType->GetReferenceTarget()) &&
!dynamic_cast<const PointerType *>(baseExprType)) {
@@ -4212,8 +4214,10 @@ VectorMemberExpr::GetLValue(FunctionEmitContext* ctx) const {
const Type *
VectorMemberExpr::GetLValueType() const {
if (identifier.length() == 1) {
if (expr == NULL)
if (expr == NULL) {
Assert(m->errorCount > 0);
return NULL;
}
const Type *exprLValueType = dereferenceExpr ? expr->GetType() :
expr->GetLValueType();
@@ -4228,7 +4232,7 @@ VectorMemberExpr::GetLValueType() const {
Assert(vt != NULL);
// we don't want to report that it's e.g. a pointer to a float<1>,
// but ta pointer to a float, etc.
// but a pointer to a float, etc.
const Type *elementType = vt->GetElementType();
if (dynamic_cast<const ReferenceType *>(exprLValueType) != NULL)
return new ReferenceType(elementType);
@@ -5348,7 +5352,8 @@ ConstExpr::GetConstant(const Type *type) const {
return llvm::Constant::getNullValue(llvmType);
}
else {
FATAL("unexpected type in ConstExpr::GetConstant()");
Debug(pos, "Unable to handle type \"%s\" in ConstExpr::GetConstant().",
type->GetString().c_str());
return NULL;
}
}