add a new TGError class and use it to propagate location info with

errors when thrown.  This gets us nice errors like this from tblgen:

CMOVL32rr: 	(set GR32:i32:$dst, (X86cmov GR32:$src1, GR32:$src2))
/Users/sabre/llvm/Debug/bin/tblgen: error:
Included from X86.td:116:
Parsing X86InstrInfo.td:922: In CMOVL32rr: X86cmov node requires exactly 4 operands!
def CMOVL32rr : I<0x4C, MRMSrcReg,       // if <s, GR32 = GR32
^

instead of just:

CMOVL32rr: 	(set GR32:i32:$dst, (X86cmov GR32:$src1, GR32:$src2))
/Users/sabre/llvm/Debug/bin/tblgen: In CMOVL32rr: X86cmov node requires exactly 4 operands!

This is all I plan to do with this, but it should be easy enough to improve if anyone 
cares (e.g. keeping more loc info in "dag" expr records in tblgen.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66898 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2009-03-13 16:25:21 +00:00
parent 7b9ffe4a6d
commit a14b1ded69
3 changed files with 26 additions and 20 deletions

View File

@ -114,7 +114,7 @@ RecordKeeper llvm::Records;
static TGSourceMgr SrcMgr;
void PrintError(TGLoc ErrorLoc, const std::string &Msg) {
void llvm::PrintError(TGLoc ErrorLoc, const std::string &Msg) {
SrcMgr.PrintError(ErrorLoc, Msg);
}
@ -229,31 +229,26 @@ int main(int argc, char **argv) {
assert(1 && "Invalid Action");
return 1;
}
if (Out != cout.stream())
delete Out; // Close the file
return 0;
} catch (const TGError &Error) {
cerr << argv[0] << ": error:\n";
PrintError(Error.getLoc(), Error.getMessage());
} catch (const std::string &Error) {
cerr << argv[0] << ": " << Error << "\n";
if (Out != cout.stream()) {
delete Out; // Close the file
std::remove(OutputFilename.c_str()); // Remove the file, it's broken
}
return 1;
} catch (const char *Error) {
cerr << argv[0] << ": " << Error << "\n";
if (Out != cout.stream()) {
delete Out; // Close the file
std::remove(OutputFilename.c_str()); // Remove the file, it's broken
}
return 1;
} catch (...) {
cerr << argv[0] << ": Unknown unexpected exception occurred.\n";
if (Out != cout.stream()) {
delete Out; // Close the file
std::remove(OutputFilename.c_str()); // Remove the file, it's broken
}
return 2;
}
if (Out != cout.stream()) {
delete Out; // Close the file
delete Out; // Close the file
std::remove(OutputFilename.c_str()); // Remove the file, it's broken
}
return 0;
return 1;
}