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https://github.com/apple/swift.git
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143 lines
4.0 KiB
C++
143 lines
4.0 KiB
C++
//===-- CompilerInvocation.cpp - CompilerInvocation methods ---------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2015 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See http://swift.org/LICENSE.txt for license information
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// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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#include "swift/Frontend/Frontend.h"
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#include "llvm/ADT/STLExtras.h"
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#include "llvm/Option/Arg.h"
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#include "llvm/Option/ArgList.h"
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#include "llvm/Option/Option.h"
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#include "llvm/Support/Path.h"
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using namespace swift;
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swift::CompilerInvocation::CompilerInvocation() {
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TargetTriple = llvm::sys::getDefaultTargetTriple();
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}
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void CompilerInvocation::setMainExecutablePath(StringRef Path) {
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llvm::SmallString<128> LibPath(Path);
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llvm::sys::path::remove_filename(LibPath); // Remove /swift
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llvm::sys::path::remove_filename(LibPath); // Remove /bin
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llvm::sys::path::append(LibPath, "lib", "swift");
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setRuntimeIncludePath(LibPath.str());
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}
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namespace {
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// Create enum with OPT_xxx values for each option in FrontendOptions.td.
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enum Opt {
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OPT_INVALID = 0,
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#define OPTION(PREFIX, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM, \
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HELP, META) \
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OPT_##ID,
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#include "FrontendOptions.inc"
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LastOption
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#undef OPTION
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};
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// Create prefix string literals used in FrontendOptions.td.
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#define PREFIX(NAME, VALUE) const char *const NAME[] = VALUE;
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#include "FrontendOptions.inc"
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#undef PREFIX
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// Create table mapping all options defined in FrontendOptions.td.
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static const llvm::opt::OptTable::Info InfoTable[] = {
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#define OPTION(PREFIX, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM, \
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HELPTEXT, METAVAR) \
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{ PREFIX, NAME, HELPTEXT, METAVAR, OPT_##ID, llvm::opt::Option::KIND##Class, \
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PARAM, FLAGS, OPT_##GROUP, OPT_##ALIAS, ALIASARGS },
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#include "FrontendOptions.inc"
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#undef OPTION
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};
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// Create OptTable class for parsing actual command line arguments
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class FrontendOptTable : public llvm::opt::OptTable {
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public:
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FrontendOptTable() : OptTable(InfoTable, llvm::array_lengthof(InfoTable)){}
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};
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} // namespace anonymous
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bool CompilerInvocation::parseArgs(ArrayRef<const char *> Args,
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DiagnosticEngine &Diags) {
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if (Args.empty())
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return false;
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// Parse command line options using FrontendOptions.td
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std::unique_ptr<llvm::opt::InputArgList> ParsedArgs;
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FrontendOptTable Table;
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unsigned MissingIndex;
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unsigned MissingCount;
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ParsedArgs.reset(
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Table.ParseArgs(Args.begin(), Args.end(), MissingIndex, MissingCount));
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if (MissingCount) {
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Diags.diagnose(SourceLoc(), diag::error_missing_arg_value,
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ParsedArgs->getArgString(MissingIndex), MissingCount);
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return true;
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}
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for (auto InputArg : *ParsedArgs) {
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switch (InputArg->getOption().getID()) {
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case OPT_triple:
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setTargetTriple(InputArg->getValue());
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break;
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case OPT_import_search_path:
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ImportSearchPaths.push_back(InputArg->getValue());
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break;
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case OPT_framework_search_path:
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FrameworkSearchPaths.push_back(InputArg->getValue());
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break;
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case OPT_sdk:
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setSDKPath(InputArg->getValue());
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break;
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case OPT_module_cache_path:
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setClangModuleCachePath(InputArg->getValue());
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break;
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case OPT_parse_as_library:
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setInputKind(SourceFile::Library);
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break;
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case OPT_parse_stdlib:
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setParseStdlib();
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break;
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case OPT_Xclang:
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ExtraClangArgs.push_back(InputArg->getValue());
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break;
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case OPT_debug_constraints:
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LangOpts.DebugConstraintSolver = true;
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break;
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case OPT_link_library:
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addLinkLibrary(InputArg->getValue(), LibraryKind::Library);
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break;
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case OPT_output:
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setOutputFilename(InputArg->getValue());
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break;
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case OPT_INPUT:
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addInputFilename(InputArg->getValue());
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break;
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}
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}
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return false;
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}
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