/// true, otherwise return false. This handles canonicalization and
/// translation of strings from GCC syntax to LLVM IR syntax, and handles
//// flattening of named references like %[foo] to Operand AsmStringPiece's.
- bool AnalyzeAsmString(llvm::SmallVectorImpl<AsmStringPiece> &Pieces,
- ASTContext &C) const;
+ unsigned AnalyzeAsmString(llvm::SmallVectorImpl<AsmStringPiece> &Pieces,
+ ASTContext &C, unsigned &DiagOffs) const;
//===--- Output operands ---===//
/// AnalyzeAsmString - Analyze the asm string of the current asm, decomposing
/// it into pieces. If the asm string is erroneous, emit errors and return
/// true, otherwise return false.
-bool AsmStmt::AnalyzeAsmString(llvm::SmallVectorImpl<AsmStringPiece> &Pieces,
- ASTContext &C) const {
+unsigned AsmStmt::AnalyzeAsmString(llvm::SmallVectorImpl<AsmStringPiece>&Pieces,
+ ASTContext &C, unsigned &DiagOffs) const {
const char *StrStart = getAsmString()->getStrData();
const char *StrEnd = StrStart + getAsmString()->getByteLength();
// Analyze the asm string to decompose it into its pieces. We know that Sema
// has already done this, so it is guaranteed to be successful.
llvm::SmallVector<AsmStmt::AsmStringPiece, 4> Pieces;
- S.AnalyzeAsmString(Pieces, getContext());
+ unsigned DiagOffs;
+ S.AnalyzeAsmString(Pieces, getContext(), DiagOffs);
// Assemble the pieces into the final asm string.
std::string AsmString;
exprs.release();
asmString.release();
clobbers.release();
- return Owned(new (Context) AsmStmt(AsmLoc, IsSimple, IsVolatile, NumOutputs,
- NumInputs, Names, Constraints, Exprs,
- AsmString, NumClobbers,
- Clobbers, RParenLoc));
+ AsmStmt *NS =
+ new (Context) AsmStmt(AsmLoc, IsSimple, IsVolatile, NumOutputs, NumInputs,
+ Names, Constraints, Exprs, AsmString, NumClobbers,
+ Clobbers, RParenLoc);
+ // Validate the asm string, ensuring it makes sense given the operands we
+ // have.
+ llvm::SmallVector<AsmStmt::AsmStringPiece, 8> Pieces;
+ unsigned DiagOffs;
+ if (unsigned DiagID = NS->AnalyzeAsmString(Pieces, Context, DiagOffs)) {
+ // FIXME: get offsets in strings working.
+ // StringLiteralParser::getOffsetOfStringByte
+ Diag(AsmString->getLocStart(), DiagID) << AsmString->getSourceRange();
+ DeleteStmt(NS);
+ return StmtError();
+ }
+
+
+ return Owned(NS);
}
Action::OwningStmtResult