87 lines
2.7 KiB
C++
87 lines
2.7 KiB
C++
//===--- ArgumentsAdjusters.cpp - Command line arguments adjuster ---------===//
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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 file contains definitions of classes which implement ArgumentsAdjuster
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// interface.
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//
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//===----------------------------------------------------------------------===//
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#include "clang/Tooling/ArgumentsAdjusters.h"
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namespace clang {
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namespace tooling {
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/// Add -fsyntax-only option to the command line arguments.
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ArgumentsAdjuster getClangSyntaxOnlyAdjuster() {
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return [](const CommandLineArguments &Args, StringRef /*unused*/) {
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CommandLineArguments AdjustedArgs;
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for (size_t i = 0, e = Args.size(); i != e; ++i) {
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StringRef Arg = Args[i];
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// FIXME: Remove options that generate output.
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if (!Arg.startswith("-fcolor-diagnostics") &&
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!Arg.startswith("-fdiagnostics-color"))
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AdjustedArgs.push_back(Args[i]);
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}
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AdjustedArgs.push_back("-fsyntax-only");
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return AdjustedArgs;
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};
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}
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ArgumentsAdjuster getClangStripOutputAdjuster() {
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return [](const CommandLineArguments &Args, StringRef /*unused*/) {
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CommandLineArguments AdjustedArgs;
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for (size_t i = 0, e = Args.size(); i < e; ++i) {
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StringRef Arg = Args[i];
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if (!Arg.startswith("-o"))
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AdjustedArgs.push_back(Args[i]);
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if (Arg == "-o") {
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// Output is specified as -o foo. Skip the next argument also.
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++i;
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}
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// Else, the output is specified as -ofoo. Just do nothing.
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}
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return AdjustedArgs;
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};
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}
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ArgumentsAdjuster getInsertArgumentAdjuster(const CommandLineArguments &Extra,
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ArgumentInsertPosition Pos) {
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return [Extra, Pos](const CommandLineArguments &Args, StringRef /*unused*/) {
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CommandLineArguments Return(Args);
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CommandLineArguments::iterator I;
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if (Pos == ArgumentInsertPosition::END) {
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I = Return.end();
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} else {
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I = Return.begin();
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++I; // To leave the program name in place
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}
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Return.insert(I, Extra.begin(), Extra.end());
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return Return;
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};
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}
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ArgumentsAdjuster getInsertArgumentAdjuster(const char *Extra,
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ArgumentInsertPosition Pos) {
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return getInsertArgumentAdjuster(CommandLineArguments(1, Extra), Pos);
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}
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ArgumentsAdjuster combineAdjusters(ArgumentsAdjuster First,
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ArgumentsAdjuster Second) {
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return [First, Second](const CommandLineArguments &Args, StringRef File) {
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return Second(First(Args, File), File);
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};
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}
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} // end namespace tooling
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} // end namespace clang
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