Change CompilerInvocation::CreateFromArgs to report errors using a proper diagnostic engine.
- Clients that care about having the diagnostics output honor the user-controllable diagnostic options can buffer the diagnostics and issue them later.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90092 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/CC1Options.cpp b/lib/Driver/CC1Options.cpp
index 6f0aa26..feadae0 100644
--- a/lib/Driver/CC1Options.cpp
+++ b/lib/Driver/CC1Options.cpp
@@ -8,6 +8,7 @@
//===----------------------------------------------------------------------===//
#include "clang/Driver/CC1Options.h"
+#include "clang/Basic/Diagnostic.h"
#include "clang/Basic/Version.h"
#include "clang/Driver/ArgList.h"
#include "clang/Driver/Arg.h"
@@ -662,7 +663,8 @@
const char **ArgBegin,
const char **ArgEnd,
const char *Argv0,
- void *MainAddr) {
+ void *MainAddr,
+ Diagnostic &Diags) {
// Parse the arguments.
llvm::OwningPtr<OptTable> Opts(createCC1OptTable());
unsigned MissingArgIndex, MissingArgCount;
@@ -678,6 +680,14 @@
<< " value )\n";
}
+ // Issue errors on unknown arguments.
+ for (arg_iterator it = InputArgs->filtered_begin(OPT_UNKNOWN),
+ ie = InputArgs->filtered_end(); it != ie; ++it) {
+ unsigned ID = Diags.getCustomDiagID(Diagnostic::Error,
+ "unknown argument: '%0'");
+ Diags.Report(ID) << it->getAsString(*InputArgs);
+ }
+
ParseAnalyzerArgs(Res.getAnalyzerOpts(), *InputArgs);
ParseCodeGenArgs(Res.getCodeGenOpts(), *InputArgs);
ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *InputArgs);