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[driver] Don't generate diagnostics (i.e., preprocessed source) if reading 

from stdin.  This allows Eli and the like to continue with their debugging 
trickery without loss of limb (or car) on my part. :)

llvm-svn: 137906
This commit is contained in:
Chad Rosier 2011-08-18 00:22:25 +00:00
parent bf9246d1f0
commit d57133dcca
1 changed files with 14 additions and 2 deletions
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16
clang/lib/Driver/Driver.cpp
View File

@ -392,15 +392,27 @@ void Driver::generateCompilationDiagnostics(Compilation &C,
InputList Inputs;
BuildInputs(C.getDefaultToolChain(), C.getArgs(), Inputs);
// Remove any inputs from the input list that cannot be preprocessed.
for (InputList::iterator it = Inputs.begin(), ie = Inputs.end(); it != ie;) {
if (types::getPreprocessedType(it->first) == types::TY_INVALID) {
bool IgnoreInput = false;
// Ignore input from stdin or any inputs that cannot be preprocessed.
if (!strcmp(it->second->getValue(C.getArgs()), "-")) {
Diag(clang::diag::note_drv_command_failed_diag_msg)
<< "Error generating preprocessed source(s) - ignoring input from stdin"
".";
IgnoreInput = true;
} else if (types::getPreprocessedType(it->first) == types::TY_INVALID) {
IgnoreInput = true;
}
if (IgnoreInput) {
it = Inputs.erase(it);
ie = Inputs.end();
} else {
++it;
}
}
if (Inputs.empty()) {
Diag(clang::diag::note_drv_command_failed_diag_msg)
<< "Error generating preprocessed source(s) - no preprocessable inputs.";