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Replace common diagnostic with a convenience function.

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This simplifies debug of this particular diagnostic (and removes some code clutter).

llvm-svn: 58242
This commit is contained in:
Steve Naroff 2008-10-27 11:34:16 +00:00
parent 1d4a9a31b6
commit c6db58a6bd
2 changed files with 25 additions and 38 deletions
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1
clang/lib/Sema/Sema.h
View File

@ -1106,6 +1106,7 @@ private:
bool CheckArithmeticConstantExpression(const Expr* e);
bool CheckAddressConstantExpression(const Expr* e);
bool CheckAddressConstantExpressionLValue(const Expr* e);
void InitializerElementNotConstant(const Expr *e);
StringLiteral *IsStringLiteralInit(Expr *Init, QualType DeclType);
bool CheckStringLiteralInit(StringLiteral *strLiteral, QualType &DeclT);

62
clang/lib/Sema/SemaDecl.cpp
View File

@ -957,11 +957,15 @@ Sema::ActOnDeclarator(Scope *S, Declarator &D, DeclTy *lastDecl) {
return New;
}
void Sema::InitializerElementNotConstant(const Expr *Init) {
Diag(Init->getExprLoc(),
diag::err_init_element_not_constant, Init->getSourceRange());
}
bool Sema::CheckAddressConstantExpressionLValue(const Expr* Init) {
switch (Init->getStmtClass()) {
default:
Diag(Init->getExprLoc(),
diag::err_init_element_not_constant, Init->getSourceRange());
InitializerElementNotConstant(Init);
return true;
case Expr::ParenExprClass: {
const ParenExpr* PE = cast<ParenExpr>(Init);
@ -974,14 +978,12 @@ bool Sema::CheckAddressConstantExpressionLValue(const Expr* Init) {
if (const VarDecl *VD = dyn_cast<VarDecl>(D)) {
if (VD->hasGlobalStorage())
return false;
Diag(Init->getExprLoc(),
diag::err_init_element_not_constant, Init->getSourceRange());
InitializerElementNotConstant(Init);
return true;
}
if (isa<FunctionDecl>(D))
return false;
Diag(Init->getExprLoc(),
diag::err_init_element_not_constant, Init->getSourceRange());
InitializerElementNotConstant(Init);
return true;
}
case Expr::MemberExprClass: {
@ -1006,8 +1008,7 @@ bool Sema::CheckAddressConstantExpressionLValue(const Expr* Init) {
if (Exp->getOpcode() == UnaryOperator::Deref)
return CheckAddressConstantExpression(Exp->getSubExpr());
Diag(Init->getExprLoc(),
diag::err_init_element_not_constant, Init->getSourceRange());
InitializerElementNotConstant(Init);
return true;
}
}
@ -1016,8 +1017,7 @@ bool Sema::CheckAddressConstantExpressionLValue(const Expr* Init) {
bool Sema::CheckAddressConstantExpression(const Expr* Init) {
switch (Init->getStmtClass()) {
default:
Diag(Init->getExprLoc(),
diag::err_init_element_not_constant, Init->getSourceRange());
InitializerElementNotConstant(Init);
return true;
case Expr::ParenExprClass:
return CheckAddressConstantExpression(cast<ParenExpr>(Init)->getSubExpr());
@ -1030,8 +1030,7 @@ bool Sema::CheckAddressConstantExpression(const Expr* Init) {
Builtin::BI__builtin___CFStringMakeConstantString)
return false;
Diag(Init->getExprLoc(),
diag::err_init_element_not_constant, Init->getSourceRange());
InitializerElementNotConstant(Init);
return true;
case Expr::UnaryOperatorClass: {
@ -1044,8 +1043,7 @@ bool Sema::CheckAddressConstantExpression(const Expr* Init) {
if (Exp->getOpcode() == UnaryOperator::Extension)
return CheckAddressConstantExpression(Exp->getSubExpr());
Diag(Init->getExprLoc(),
diag::err_init_element_not_constant, Init->getSourceRange());
InitializerElementNotConstant(Init);
return true;
}
case Expr::BinaryOperatorClass: {
@ -1093,16 +1091,14 @@ bool Sema::CheckAddressConstantExpression(const Expr* Init) {
return CheckArithmeticConstantExpression(SubExpr);
}
Diag(Init->getExprLoc(),
diag::err_init_element_not_constant, Init->getSourceRange());
InitializerElementNotConstant(Init);
return true;
}
case Expr::ConditionalOperatorClass: {
// FIXME: Should we pedwarn here?
const ConditionalOperator *Exp = cast<ConditionalOperator>(Init);
if (!Exp->getCond()->getType()->isArithmeticType()) {
Diag(Init->getExprLoc(),
diag::err_init_element_not_constant, Init->getSourceRange());
InitializerElementNotConstant(Init);
return true;
}
if (CheckArithmeticConstantExpression(Exp->getCond()))
@ -1211,8 +1207,7 @@ static const Expr* FindExpressionBaseAddress(const Expr* E) {
bool Sema::CheckArithmeticConstantExpression(const Expr* Init) {
switch (Init->getStmtClass()) {
default:
Diag(Init->getExprLoc(),
diag::err_init_element_not_constant, Init->getSourceRange());
InitializerElementNotConstant(Init);
return true;
case Expr::ParenExprClass: {
const ParenExpr* PE = cast<ParenExpr>(Init);
@ -1232,16 +1227,14 @@ bool Sema::CheckArithmeticConstantExpression(const Expr* Init) {
if (CE->isBuiltinCall() && CE->isEvaluatable(Context))
return false;
Diag(Init->getExprLoc(),
diag::err_init_element_not_constant, Init->getSourceRange());
InitializerElementNotConstant(Init);
return true;
}
case Expr::DeclRefExprClass: {
const Decl *D = cast<DeclRefExpr>(Init)->getDecl();
if (isa<EnumConstantDecl>(D))
return false;
Diag(Init->getExprLoc(),
diag::err_init_element_not_constant, Init->getSourceRange());
InitializerElementNotConstant(Init);
return true;
}
case Expr::CompoundLiteralExprClass:
@ -1249,8 +1242,7 @@ bool Sema::CheckArithmeticConstantExpression(const Expr* Init) {
// but vectors are allowed to be magic.
if (Init->getType()->isVectorType())
return false;
Diag(Init->getExprLoc(),
diag::err_init_element_not_constant, Init->getSourceRange());
InitializerElementNotConstant(Init);
return true;
case Expr::UnaryOperatorClass: {
const UnaryOperator *Exp = cast<UnaryOperator>(Init);
@ -1259,8 +1251,7 @@ bool Sema::CheckArithmeticConstantExpression(const Expr* Init) {
// Address, indirect, pre/post inc/dec, etc are not valid constant exprs.
// See C99 6.6p3.
default:
Diag(Init->getExprLoc(),
diag::err_init_element_not_constant, Init->getSourceRange());
InitializerElementNotConstant(Init);
return true;
case UnaryOperator::SizeOf:
case UnaryOperator::AlignOf:
@ -1269,8 +1260,7 @@ bool Sema::CheckArithmeticConstantExpression(const Expr* Init) {
// See C99 6.5.3.4p2 and 6.6p3.
if (Exp->getSubExpr()->getType()->isConstantSizeType())
return false;
Diag(Init->getExprLoc(),
diag::err_init_element_not_constant, Init->getSourceRange());
InitializerElementNotConstant(Init);
return true;
case UnaryOperator::Extension:
case UnaryOperator::LNot:
@ -1288,8 +1278,7 @@ bool Sema::CheckArithmeticConstantExpression(const Expr* Init) {
// alignof always evaluates to a constant.
// FIXME: is sizeof(int[3.0]) a constant expression?
if (Exp->isSizeOf() && !Exp->getArgumentType()->isConstantSizeType()) {
Diag(Init->getExprLoc(),
diag::err_init_element_not_constant, Init->getSourceRange());
InitializerElementNotConstant(Init);
return true;
}
return false;
@ -1317,8 +1306,7 @@ bool Sema::CheckArithmeticConstantExpression(const Expr* Init) {
}
}
Diag(Init->getExprLoc(),
diag::err_init_element_not_constant, Init->getSourceRange());
InitializerElementNotConstant(Init);
return true;
}
case Expr::ImplicitCastExprClass:
@ -1334,8 +1322,7 @@ bool Sema::CheckArithmeticConstantExpression(const Expr* Init) {
return CheckAddressConstantExpression(SubExpr);
}
Diag(Init->getExprLoc(),
diag::err_init_element_not_constant, Init->getSourceRange());
InitializerElementNotConstant(Init);
return true;
}
case Expr::ConditionalOperatorClass: {
@ -1466,8 +1453,7 @@ bool Sema::CheckForConstantInitializer(Expr *Init, QualType DclT) {
if (Init->getType()->isBlockPointerType())
return false;
Diag(Init->getExprLoc(), diag::err_init_element_not_constant,
Init->getSourceRange());
InitializerElementNotConstant(Init);
return true;
}