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89 lines
3.0 KiB
C++
89 lines
3.0 KiB
C++
//===-- cc1_main.cpp - Clang CC1 Driver -----------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This is the entry point to the clang -cc1 functionality.
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//
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//===----------------------------------------------------------------------===//
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#include "clang/Driver/Arg.h"
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#include "clang/Driver/ArgList.h"
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#include "clang/Driver/CC1Options.h"
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#include "clang/Driver/DriverDiagnostic.h"
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#include "clang/Driver/OptTable.h"
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#include "clang/Driver/Option.h"
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#include "clang/Frontend/CompilerInvocation.h"
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#include "llvm/Support/raw_ostream.h"
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#include <cstdlib>
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#include <vector>
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using namespace clang;
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using namespace clang::driver;
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int cc1_main(Diagnostic &Diags, const char **ArgBegin, const char **ArgEnd) {
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llvm::errs() << "cc1 argv:";
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for (const char **i = ArgBegin; i != ArgEnd; ++i)
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llvm::errs() << " \"" << *i << '"';
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llvm::errs() << "\n";
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// Parse the arguments.
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OptTable *Opts = createCC1OptTable();
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unsigned MissingArgIndex, MissingArgCount;
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InputArgList *Args = Opts->ParseArgs(ArgBegin, ArgEnd,
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MissingArgIndex, MissingArgCount);
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// Check for missing argument error.
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if (MissingArgCount)
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Diags.Report(clang::diag::err_drv_missing_argument)
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<< Args->getArgString(MissingArgIndex) << MissingArgCount;
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// Dump the parsed arguments.
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llvm::errs() << "cc1 parsed options:\n";
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for (ArgList::const_iterator it = Args->begin(), ie = Args->end();
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it != ie; ++it)
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(*it)->dump();
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// Create a compiler invocation.
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llvm::errs() << "cc1 creating invocation.\n";
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CompilerInvocation Invocation;
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CompilerInvocation::CreateFromArgs(Invocation, ArgBegin, ArgEnd);
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// Convert the invocation back to argument strings.
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std::vector<std::string> InvocationArgs;
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Invocation.toArgs(InvocationArgs);
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// Dump the converted arguments.
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llvm::SmallVector<const char*, 32> Invocation2Args;
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llvm::errs() << "invocation argv :";
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for (unsigned i = 0, e = InvocationArgs.size(); i != e; ++i) {
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Invocation2Args.push_back(InvocationArgs[i].c_str());
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llvm::errs() << " \"" << InvocationArgs[i] << '"';
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}
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llvm::errs() << "\n";
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// Convert those arguments to another invocation, and check that we got the
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// same thing.
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CompilerInvocation Invocation2;
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CompilerInvocation::CreateFromArgs(Invocation2, Invocation2Args.begin(),
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Invocation2Args.end());
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// FIXME: Implement CompilerInvocation comparison.
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if (true) {
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//llvm::errs() << "warning: Invocations differ!\n";
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std::vector<std::string> Invocation2Args;
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Invocation2.toArgs(Invocation2Args);
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llvm::errs() << "invocation2 argv:";
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for (unsigned i = 0, e = Invocation2Args.size(); i != e; ++i)
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llvm::errs() << " \"" << Invocation2Args[i] << '"';
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llvm::errs() << "\n";
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}
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return 0;
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}
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