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For PR797:

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Rid the Assembly Parser of exceptions. This is a really gross hack but it
will do until the Assembly Parser is re-written as a recursive descent.
The basic premise is that wherever the old "ThrowException" function was
called (new name: GenerateError) we set a flag (TriggerError). Every
production checks that flag and calls YYERROR if it is set. Additionally,
each call to ThrowException in the grammar is replaced with GEN_ERROR
which calls GenerateError and then YYERROR immediately. This prevents
the remaining production from continuing after an error condition.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29763 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer
2006-08-18 08:43:06 +00:00
parent fd90dd5d55
commit 61c83e023f
14 changed files with 4817 additions and 3344 deletions
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13
tools/gccas/gccas.cpp
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@@ -137,17 +137,10 @@ int main(int argc, char **argv) {
" llvm .s -> .o assembler for GCC\n");
sys::PrintStackTraceOnErrorSignal();
std::auto_ptr<Module> M;
try {
// Parse the file now...
M.reset(ParseAssemblyFile(InputFilename));
} catch (const ParseException &E) {
std::cerr << argv[0] << ": " << E.getMessage() << "\n";
return 1;
}
ParseError Err;
std::auto_ptr<Module> M(ParseAssemblyFile(InputFilename,&Err));
if (M.get() == 0) {
std::cerr << argv[0] << ": assembly didn't read correctly.\n";
std::cerr << argv[0] << ": " << Err.getMessage() << "\n";
return 1;
}