1ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis//===--- CreateInvocationFromCommandLine.cpp - CompilerInvocation from Args ==// 2ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis// 3ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis// The LLVM Compiler Infrastructure 4ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis// 5ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis// This file is distributed under the University of Illinois Open Source 6ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis// License. See LICENSE.TXT for details. 7ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis// 8ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis//===----------------------------------------------------------------------===// 9ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis// 10ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis// Construct a compiler invocation object for command line driver arguments 11ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis// 12ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis//===----------------------------------------------------------------------===// 13ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis 14ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis#include "clang/Frontend/Utils.h" 1555fc873017f10f6f566b182b70f6fc22aefa3464Chandler Carruth#include "clang/Basic/DiagnosticOptions.h" 16ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis#include "clang/Driver/Compilation.h" 17ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis#include "clang/Driver/Driver.h" 18ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis#include "clang/Driver/Options.h" 19ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis#include "clang/Driver/Tool.h" 2055fc873017f10f6f566b182b70f6fc22aefa3464Chandler Carruth#include "clang/Frontend/CompilerInstance.h" 2155fc873017f10f6f566b182b70f6fc22aefa3464Chandler Carruth#include "clang/Frontend/FrontendDiagnostic.h" 22b1e25a1bc03292dc538d336573e0be1490223171Reid Kleckner#include "llvm/Option/ArgList.h" 23ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis#include "llvm/Support/Host.h" 24ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidisusing namespace clang; 25b1e25a1bc03292dc538d336573e0be1490223171Reid Klecknerusing namespace llvm::opt; 26ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis 27ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis/// createInvocationFromCommandLine - Construct a compiler invocation object for 28ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis/// a command line argument vector. 29ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis/// 30ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis/// \return A CompilerInvocation, or 0 if none was built for the given 31ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis/// argument vector. 32ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios KyrtzidisCompilerInvocation * 332d3ba4f5a923a90c3fc290ddfba5e36c2d0a9b46Chris Lattnerclang::createInvocationFromCommandLine(ArrayRef<const char *> ArgList, 34c93dc7889644293e318e19d82830ea2acc45b678Dylan Noblesmith IntrusiveRefCntPtr<DiagnosticsEngine> Diags) { 35c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines if (!Diags.get()) { 36ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis // No diagnostics engine was provided, so create our own diagnostics object 37ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis // with the default options. 38d47afb96a3f988e6d21a92fe4dfe875ab227c7c0Sean Silva Diags = CompilerInstance::createDiagnostics(new DiagnosticOptions); 39ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis } 40ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis 415f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<const char *, 16> Args; 42ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis Args.push_back("<clang>"); // FIXME: Remove dummy argument. 43ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis Args.insert(Args.end(), ArgList.begin(), ArgList.end()); 44ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis 45d6277fb9e0353edffc0d6c8655a65542c08cf6f1Argyrios Kyrtzidis // FIXME: Find a cleaner way to force the driver into restricted modes. 46ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis Args.push_back("-fsyntax-only"); 47ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis 48ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis // FIXME: We shouldn't have to pass in the path info. 495d8b9548420e67f1bf45b7bbc1cf9fb86e9e4505Sebastian Pop driver::Driver TheDriver("clang", llvm::sys::getDefaultTargetTriple(), 506bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines *Diags); 51ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis 52ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis // Don't check that inputs exist, they may have been remapped. 53ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis TheDriver.setCheckInputsExist(false); 54ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis 55651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines std::unique_ptr<driver::Compilation> C(TheDriver.BuildCompilation(Args)); 56ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis 57ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis // Just print the cc1 options if -### was present. 58ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis if (C->getArgs().hasArg(driver::options::OPT__HASH_HASH_HASH)) { 59fc3389701ead32709ba84825e4c06651065da2c0Hans Wennborg C->getJobs().Print(llvm::errs(), "\n", true); 606bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 61ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis } 62ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis 63ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis // We expect to get back exactly one command job, if we didn't something 64ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis // failed. 65ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis const driver::JobList &Jobs = C->getJobs(); 664d509341bd5db06a517daa311379f52bb540bc34Eli Friedman if (Jobs.size() != 1 || !isa<driver::Command>(*Jobs.begin())) { 67f7ccbad5d9949e7ddd1cbef43d482553b811e026Dylan Noblesmith SmallString<256> Msg; 68ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis llvm::raw_svector_ostream OS(Msg); 69fc3389701ead32709ba84825e4c06651065da2c0Hans Wennborg Jobs.Print(OS, "; ", true); 70ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis Diags->Report(diag::err_fe_expected_compiler_job) << OS.str(); 716bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 72ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis } 73ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis 74176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines const driver::Command &Cmd = cast<driver::Command>(*Jobs.begin()); 75176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines if (StringRef(Cmd.getCreator().getName()) != "clang") { 76ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis Diags->Report(diag::err_fe_expected_clang_command); 776bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 78ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis } 79ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis 80176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines const ArgStringList &CCArgs = Cmd.getArguments(); 81651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines std::unique_ptr<CompilerInvocation> CI(new CompilerInvocation()); 828fdb6dee2da0dee97d64fe12eda46fb318414de9Dylan Noblesmith if (!CompilerInvocation::CreateFromArgs(*CI, 83ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis const_cast<const char **>(CCArgs.data()), 84ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis const_cast<const char **>(CCArgs.data()) + 85ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis CCArgs.size(), 868fdb6dee2da0dee97d64fe12eda46fb318414de9Dylan Noblesmith *Diags)) 876bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 88651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines return CI.release(); 89ea383c0dffb78aea0c427a6ccf4490a5083fcb6aArgyrios Kyrtzidis} 90