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17eb84d9c6a4b3c1dce18ccd90f82b3a83ccbe61
swift-mirror/lib/Driver/Tools.cpp
Dave Zarzycki 17eb84d9c6 Zap accumlated warnings in non-assert builds 
Swift SVN r12850
2014-01-23 05:45:24 +00:00

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//===--- Tools.cpp - Tools Implementations --------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2015 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See http://swift.org/LICENSE.txt for license information
// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
#include "Tools.h"
#include "ToolChains.h"
#include "swift/Basic/LLVM.h"
#include "swift/Basic/Range.h"
#include "swift/Driver/Driver.h"
#include "swift/Driver/Job.h"
#include "swift/Driver/Options.h"
#include "swift/Frontend/Frontend.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/Option/Arg.h"
#include "llvm/Option/ArgList.h"
#include "llvm/Support/Path.h"
using namespace swift;
using namespace swift::driver;
using namespace swift::driver::tools;
using namespace llvm::opt;
StringRef swift::getPlatformNameForTriple(const llvm::Triple &triple) {
if (triple.isiOS()) {
llvm::Triple::ArchType arch = triple.getArch();
if (arch == llvm::Triple::ArchType::x86 ||
arch == llvm::Triple::ArchType::x86_64)
return "iphonesimulator";
return "iphoneos";
}
if (triple.isMacOSX())
return "macosx";
return "";
}
/// Swift Tool
namespace {
static void addInputsOfType(ArgStringList &Arguments, const Job *J,
types::ID InputType) {
if (const Command *Cmd = dyn_cast<Command>(J)) {
auto &output = Cmd->getOutput().getAnyOutputForType(InputType);
if (!output.empty())
Arguments.push_back(output.c_str());
} else if (const JobList *JL = dyn_cast<JobList>(J)) {
for (const Job *J : *JL)
addInputsOfType(Arguments, J, InputType);
} else {
llvm_unreachable("Unable to add input arguments for unknown Job class");
}
}
}
Job *Swift::constructJob(const JobAction &JA, std::unique_ptr<JobList> Inputs,
std::unique_ptr<CommandOutput> Output,
const ActionList &InputActions, const ArgList &Args,
const OutputInfo &OI) const {
ArgStringList Arguments;
const char *Exec = getToolChain().getDriver().getSwiftProgramPath().c_str();
// Invoke ourselves in -frontend mode.
Arguments.push_back("-frontend");
Arguments.push_back("-target");
std::string TripleStr = getToolChain().getTripleString();
Arguments.push_back(Args.MakeArgString(TripleStr));
// Determine the frontend mode option.
const char *FrontendModeOption = nullptr;
switch (OI.CompilerMode) {
case OutputInfo::Mode::StandardCompile:
case OutputInfo::Mode::SingleCompile: {
switch (Output->getPrimaryOutputType()) {
case types::TY_Object:
FrontendModeOption = "-c";
break;
case types::TY_RawSIL:
FrontendModeOption = "-emit-silgen";
break;
case types::TY_SIL:
FrontendModeOption = "-emit-sil";
break;
case types::TY_LLVM_IR:
FrontendModeOption = "-emit-ir";
break;
case types::TY_LLVM_BC:
FrontendModeOption = "-emit-bc";
break;
case types::TY_SwiftModuleFile:
// Since this is our primary output, we need to specify the option here.
FrontendModeOption = "-emit-module";
break;
case types::TY_Nothing:
// We were told to output nothing, so get the last mode option and use that.
if (const Arg *A = Args.getLastArg(options::OPT_modes_Group))
FrontendModeOption = A->getSpelling().data();
else
llvm_unreachable("We were told to perform a standard compile, "
"but no mode option was passed to the driver.");
break;
default:
llvm_unreachable("Invalid output type");
}
break;
}
case OutputInfo::Mode::Immediate:
FrontendModeOption = "-i";
break;
case OutputInfo::Mode::REPL:
FrontendModeOption = "-repl";
break;
}
assert(FrontendModeOption != nullptr && "No frontend mode option specified!");
Arguments.push_back(FrontendModeOption);
assert(Inputs->empty() &&
"The Swift frontend does not expect to be fed any input Jobs!");
// Add input arguments.
switch (OI.CompilerMode) {
case OutputInfo::Mode::StandardCompile: {
assert(InputActions.size() == 1 &&
"The Swift frontend expects exactly one input (the primary file)!");
const InputAction *IA = dyn_cast<InputAction>(InputActions[0]);
assert(IA && "Only InputActions can be passed as inputs!");
const Arg &PrimaryInputArg = IA->getInputArg();
bool FoundPrimaryInput = false;
for (const Arg *A : make_range(Args.filtered_begin(options::OPT_INPUT),
Args.filtered_end())) {
Option Opt = A->getOption();
if (A->getOption().matches(options::OPT_INPUT)) {
// See if this input should be passed with -primary-file.
if (!FoundPrimaryInput && PrimaryInputArg.getIndex() == A->getIndex()) {
Arguments.push_back("-primary-file");
FoundPrimaryInput = true;
}
Arguments.push_back(A->getValue());
}
}
break;
}
case OutputInfo::Mode::SingleCompile:
case OutputInfo::Mode::Immediate: {
for (const Action *A : InputActions) {
const InputAction *IA = dyn_cast<InputAction>(A);
assert(IA && "Only InputActions can be passed as inputs!");
IA->getInputArg().render(Args, Arguments);
}
break;
}
case OutputInfo::Mode::REPL: {
assert(InputActions.empty() && "REPL mode accepts no inputs!");
break;
}
}
Arguments.push_back("-module-name");
Arguments.push_back(Args.MakeArgString(OI.ModuleName));
Args.AddLastArg(Arguments, options::OPT_g);
// Pass the optimization level down to the frontend.
Args.AddLastArg(Arguments, options::OPT_O_Group);
// Set the SDK for the frontend.
if (!OI.SDKPath.empty()) {
Arguments.push_back("-sdk");
Arguments.push_back(Args.MakeArgString(OI.SDKPath));
}
// Pass through the values passed to -Xfrontend.
Args.AddAllArgValues(Arguments, options::OPT_Xfrontend);
Args.AddLastArg(Arguments, options::OPT_parse_as_library);
Args.AddLastArg(Arguments, options::OPT_parse_sil);
Args.AddLastArg(Arguments, options::OPT_parse_stdlib);
const std::string &ModuleOutputPath =
Output->getAdditionalOutputForType(types::ID::TY_SwiftModuleFile);
if (!ModuleOutputPath.empty()) {
Arguments.push_back("-emit-module");
Arguments.push_back("-emit-module-path");
Arguments.push_back(ModuleOutputPath.c_str());
}
const std::string &SerializedDiagnosticsPath =
Output->getAdditionalOutputForType(types::TY_SerializedDiagnostics);
if (!SerializedDiagnosticsPath.empty()) {
Arguments.push_back("-serialize-diagnostics");
Arguments.push_back("-serialize-diagnostics-path");
Arguments.push_back(SerializedDiagnosticsPath.c_str());
}
// Add the output file argument if necessary.
if (Output->getPrimaryOutputType() != types::TY_Nothing) {
Arguments.push_back("-o");
Arguments.push_back(Output->getPrimaryOutputFilename().c_str());
}
if (OI.CompilerMode == OutputInfo::Mode::Immediate)
Args.AddLastArg(Arguments, options::OPT__DASH_DASH);
return new Command(JA, *this, std::move(Inputs), std::move(Output), Exec,
Arguments);
}
Job *MergeModule::constructJob(const JobAction &JA,
std::unique_ptr<JobList> Inputs,
std::unique_ptr<CommandOutput> Output,
const ActionList &InputActions,
const ArgList &Args,
const OutputInfo &OI) const {
ArgStringList Arguments;
const char *Exec = getToolChain().getDriver().getSwiftProgramPath().c_str();
// Invoke ourself in -frontend mode.
Arguments.push_back("-frontend");
// Tell all files to parse as library, which is necessary to load them as
// serialized ASTs.
Arguments.push_back("-parse-as-library");
Arguments.push_back("-module-name");
Arguments.push_back(Args.MakeArgString(OI.ModuleName));
// We just want to emit a module, so pass -emit-module without any other
// mode options.
Arguments.push_back("-emit-module");
assert(Output->getPrimaryOutputType() == types::TY_SwiftModuleFile &&
"The MergeModule tool only produces swiftmodule files!");
Arguments.push_back("-o");
Arguments.push_back(Args.MakeArgString(Output->getPrimaryOutputFilename()));
size_t origLen = Arguments.size();
(void)origLen;
addInputsOfType(Arguments, Inputs.get(), types::TY_SwiftModuleFile);
assert(Arguments.size() - origLen == Inputs->size() &&
"every input to MergeModule must generate a swiftmodule");
return new Command(JA, *this, std::move(Inputs), std::move(Output), Exec,
Arguments);
}
/// Darwin Tools
llvm::Triple::ArchType darwin::getArchTypeForDarwinArchName(StringRef Arch) {
return llvm::StringSwitch<llvm::Triple::ArchType>(Arch)
.Cases("i386", "i486", "i486SX", "i586", "i686", llvm::Triple::x86)
.Cases("pentium", "pentpro", "pentIIm3", "pentIIm5", "pentium4",
llvm::Triple::x86)
.Case("x86_64", llvm::Triple::x86_64)
.Cases("arm", "armv4t", "armv5", "armv6", "armv6m", llvm::Triple::arm)
.Cases("armv7", "armv7em", "armv7f", "armv7k", "armv7m", llvm::Triple::arm)
.Cases("armv7s", "xscale", llvm::Triple::arm)
.Default(llvm::Triple::UnknownArch);
}
void darwin::DarwinTool::anchor() {}
void darwin::DarwinTool::AddDarwinArch(const ArgList &Args,
ArgStringList &CmdArgs) const {
StringRef ArchName = getDarwinToolChain().getDarwinArchName(Args);
CmdArgs.push_back("-arch");
CmdArgs.push_back(Args.MakeArgString(ArchName));
}
Job *darwin::Linker::constructJob(const JobAction &JA,
std::unique_ptr<JobList> Inputs,
std::unique_ptr<CommandOutput> Output,
const ActionList &InputActions,
const ArgList &Args,
const OutputInfo &OI) const {
assert(Output->getPrimaryOutputType() == types::TY_Image &&
"Invalid linker output type.");
ArgStringList Arguments;
addInputsOfType(Arguments, Inputs.get(), types::TY_Object);
Args.AddAllArgValues(Arguments, options::OPT_Xlinker);
Args.AddAllArgs(Arguments, options::OPT_linker_option_Group);
Args.AddAllArgs(Arguments, options::OPT_F);
if (!OI.SDKPath.empty()) {
Arguments.push_back("-syslibroot");
Arguments.push_back(Args.MakeArgString(OI.SDKPath));
}
Arguments.push_back("-lSystem");
AddDarwinArch(Args, Arguments);
const toolchains::Darwin &TC = getDarwinToolChain();
const Driver &D = TC.getDriver();
// Add the runtime library link path, which is platform-specific and found
// relative to the compiler.
// FIXME: Duplicated from CompilerInvocation, but in theory the runtime
// library link path and the standard library module import path don't
// need to be the same.
llvm::SmallString<128> RuntimeLibPath(D.getSwiftProgramPath());
llvm::sys::path::remove_filename(RuntimeLibPath); // remove /swift
llvm::sys::path::remove_filename(RuntimeLibPath); // remove /bin
llvm::sys::path::append(RuntimeLibPath, "lib", "swift");
llvm::sys::path::append(RuntimeLibPath,
getPlatformNameForTriple(TC.getTriple()));
Arguments.push_back("-L");
Arguments.push_back(Args.MakeArgString(RuntimeLibPath));
// FIXME: We probably shouldn't be adding an rpath here unless we know ahead
// of time the standard library won't be copied.
Arguments.push_back("-rpath");
Arguments.push_back(Args.MakeArgString(RuntimeLibPath));
// FIXME: Properly handle deployment targets.
assert(TC.getTriple().isiOS() || TC.getTriple().isMacOSX());
if (TC.getTriple().isiOS()) {
Arguments.push_back("-iphoneos_version_min");
Arguments.push_back("7.0.0");
} else {
Arguments.push_back("-macosx_version_min");
Arguments.push_back("10.8.0");
}
// This should be the last option, for convenience in checking output.
Arguments.push_back("-o");
Arguments.push_back(Output->getPrimaryOutputFilename().c_str());
std::string Exec = D.getProgramPath("ld", getToolChain());
return new Command(JA, *this, std::move(Inputs), std::move(Output),
Args.MakeArgString(Exec), Arguments);
}
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