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Wire up support for diagnostic ranges in the ARMAsmParser.

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As an example, attach range info to the "invalid instruction" message:

$ clang -arch arm -c asm.c
asm.c:2:11: error: invalid instruction
  __asm__("foo r0");
          ^
<inline asm>:1:2: note: instantiated into assembly here
        foo r0
        ^~~

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154765 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer 2012-04-15 17:04:27 +00:00
parent 3ab32ea49e
commit 362a05a635
1 changed files with 12 additions and 3 deletions
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15
lib/Target/ARM/AsmParser/ARMAsmParser.cpp
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@ -82,8 +82,14 @@ class ARMAsmParser : public MCTargetAsmParser {
MCAsmParser &getParser() const { return Parser; }
MCAsmLexer &getLexer() const { return Parser.getLexer(); }
void Warning(SMLoc L, const Twine &Msg) { Parser.Warning(L, Msg); }
bool Error(SMLoc L, const Twine &Msg) { return Parser.Error(L, Msg); }
bool Warning(SMLoc L, const Twine &Msg,
ArrayRef<SMRange> Ranges = ArrayRef<SMRange>()) {
return Parser.Warning(L, Msg, Ranges);
}
bool Error(SMLoc L, const Twine &Msg,
ArrayRef<SMRange> Ranges = ArrayRef<SMRange>()) {
return Parser.Error(L, Msg, Ranges);
}
int tryParseRegister();
bool tryParseRegisterWithWriteBack(SmallVectorImpl<MCParsedAsmOperand*> &);
@ -478,6 +484,8 @@ public:
/// getEndLoc - Get the location of the last token of this operand.
SMLoc getEndLoc() const { return EndLoc; }
SMRange getLocRange() const { return SMRange(StartLoc, EndLoc); }
ARMCC::CondCodes getCondCode() const {
assert(Kind == k_CondCode && "Invalid access!");
return CC.Val;
@ -7321,7 +7329,8 @@ MatchAndEmitInstruction(SMLoc IDLoc,
return Error(ErrorLoc, "invalid operand for instruction");
}
case Match_MnemonicFail:
return Error(IDLoc, "invalid instruction");
return Error(IDLoc, "invalid instruction",
((ARMOperand*)Operands[0])->getLocRange());
case Match_ConversionFail:
// The converter function will have already emited a diagnostic.
return true;