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llvm-project/flang/lib/Frontend/CompilerInvocation.cpp

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//===- CompilerInvocation.cpp ---------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "flang/Frontend/CompilerInvocation.h"
#include "flang/Common/Fortran-features.h"
#include "flang/Frontend/PreprocessorOptions.h"
#include "flang/Frontend/TargetOptions.h"
#include "flang/Semantics/semantics.h"
#include "flang/Version.inc"
#include "clang/Basic/AllDiagnostics.h"
#include "clang/Basic/DiagnosticDriver.h"
#include "clang/Basic/DiagnosticOptions.h"
#include "clang/Driver/DriverDiagnostic.h"
#include "clang/Driver/Options.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/Option/Arg.h"
#include "llvm/Option/ArgList.h"
#include "llvm/Option/OptTable.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/FileUtilities.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/Process.h"
#include "llvm/Support/raw_ostream.h"
#include <memory>
using namespace Fortran::frontend;
//===----------------------------------------------------------------------===//
// Initialization.
//===----------------------------------------------------------------------===//
CompilerInvocationBase::CompilerInvocationBase()
: diagnosticOpts_(new clang::DiagnosticOptions()),
preprocessorOpts_(new PreprocessorOptions()) {}
CompilerInvocationBase::CompilerInvocationBase(const CompilerInvocationBase &x)
: diagnosticOpts_(new clang::DiagnosticOptions(x.GetDiagnosticOpts())),
preprocessorOpts_(new PreprocessorOptions(x.preprocessorOpts())) {}
CompilerInvocationBase::~CompilerInvocationBase() = default;
//===----------------------------------------------------------------------===//
// Deserialization (from args)
//===----------------------------------------------------------------------===//
static bool parseShowColorsArgs(
const llvm::opt::ArgList &args, bool defaultColor) {
// Color diagnostics default to auto ("on" if terminal supports) in the driver
// but default to off in cc1, needing an explicit OPT_fdiagnostics_color.
// Support both clang's -f[no-]color-diagnostics and gcc's
// -f[no-]diagnostics-colors[=never|always|auto].
enum {
Colors_On,
Colors_Off,
Colors_Auto
} ShowColors = defaultColor ? Colors_Auto : Colors_Off;
for (auto *a : args) {
const llvm::opt::Option &O = a->getOption();
if (O.matches(clang::driver::options::OPT_fcolor_diagnostics) ||
O.matches(clang::driver::options::OPT_fdiagnostics_color)) {
ShowColors = Colors_On;
} else if (O.matches(clang::driver::options::OPT_fno_color_diagnostics) ||
O.matches(clang::driver::options::OPT_fno_diagnostics_color)) {
ShowColors = Colors_Off;
} else if (O.matches(clang::driver::options::OPT_fdiagnostics_color_EQ)) {
llvm::StringRef value(a->getValue());
if (value == "always")
ShowColors = Colors_On;
else if (value == "never")
ShowColors = Colors_Off;
else if (value == "auto")
ShowColors = Colors_Auto;
}
}
return ShowColors == Colors_On ||
(ShowColors == Colors_Auto && llvm::sys::Process::StandardErrHasColors());
}
bool Fortran::frontend::ParseDiagnosticArgs(clang::DiagnosticOptions &opts,
llvm::opt::ArgList &args, bool defaultDiagColor) {
opts.ShowColors = parseShowColorsArgs(args, defaultDiagColor);
return true;
}
/// Parses all target input arguments and populates the target
/// options accordingly.
///
/// \param [in] opts The target options instance to update
/// \param [in] args The list of input arguments (from the compiler invocation)
static void ParseTargetArgs(TargetOptions &opts, llvm::opt::ArgList &args) {
opts.triple = args.getLastArgValue(clang::driver::options::OPT_triple);
}
// Tweak the frontend configuration based on the frontend action
static void setUpFrontendBasedOnAction(FrontendOptions &opts) {
assert(opts.programAction != Fortran::frontend::InvalidAction &&
"Fortran frontend action not set!");
if (opts.programAction == DebugDumpParsingLog)
opts.instrumentedParse = true;
if (opts.programAction == DebugDumpProvenance ||
opts.programAction == Fortran::frontend::GetDefinition)
opts.needProvenanceRangeToCharBlockMappings = true;
}
static bool ParseFrontendArgs(FrontendOptions &opts, llvm::opt::ArgList &args,
clang::DiagnosticsEngine &diags) {
unsigned numErrorsBefore = diags.getNumErrors();
// By default the frontend driver creates a ParseSyntaxOnly action.
opts.programAction = ParseSyntaxOnly;
// Treat multiple action options as an invocation error. Note that `clang
// -cc1` does accept multiple action options, but will only consider the
// rightmost one.
if (args.hasMultipleArgs(clang::driver::options::OPT_Action_Group)) {
const unsigned diagID = diags.getCustomDiagID(
clang::DiagnosticsEngine::Error, "Only one action option is allowed");
diags.Report(diagID);
return false;
}
// Identify the action (i.e. opts.ProgramAction)
if (const llvm::opt::Arg *a =
args.getLastArg(clang::driver::options::OPT_Action_Group)) {
switch (a->getOption().getID()) {
default: {
llvm_unreachable("Invalid option in group!");
}
case clang::driver::options::OPT_test_io:
opts.programAction = InputOutputTest;
break;
case clang::driver::options::OPT_E:
opts.programAction = PrintPreprocessedInput;
break;
case clang::driver::options::OPT_fsyntax_only:
opts.programAction = ParseSyntaxOnly;
break;
case clang::driver::options::OPT_emit_mlir:
opts.programAction = EmitMLIR;
break;
case clang::driver::options::OPT_emit_llvm:
opts.programAction = EmitLLVM;
break;
case clang::driver::options::OPT_emit_obj:
opts.programAction = EmitObj;
break;
case clang::driver::options::OPT_fdebug_unparse:
opts.programAction = DebugUnparse;
break;
case clang::driver::options::OPT_fdebug_unparse_no_sema:
opts.programAction = DebugUnparseNoSema;
break;
case clang::driver::options::OPT_fdebug_unparse_with_symbols:
opts.programAction = DebugUnparseWithSymbols;
break;
case clang::driver::options::OPT_fdebug_dump_symbols:
opts.programAction = DebugDumpSymbols;
break;
case clang::driver::options::OPT_fdebug_dump_parse_tree:
opts.programAction = DebugDumpParseTree;
break;
case clang::driver::options::OPT_fdebug_dump_all:
opts.programAction = DebugDumpAll;
break;
case clang::driver::options::OPT_fdebug_dump_parse_tree_no_sema:
opts.programAction = DebugDumpParseTreeNoSema;
break;
case clang::driver::options::OPT_fdebug_dump_provenance:
opts.programAction = DebugDumpProvenance;
break;
case clang::driver::options::OPT_fdebug_dump_parsing_log:
opts.programAction = DebugDumpParsingLog;
break;
case clang::driver::options::OPT_fdebug_measure_parse_tree:
opts.programAction = DebugMeasureParseTree;
break;
case clang::driver::options::OPT_fdebug_pre_fir_tree:
opts.programAction = DebugPreFIRTree;
break;
case clang::driver::options::OPT_fget_symbols_sources:
opts.programAction = GetSymbolsSources;
break;
case clang::driver::options::OPT_fget_definition:
opts.programAction = GetDefinition;
break;
case clang::driver::options::OPT_init_only:
opts.programAction = InitOnly;
break;
// TODO:
// case clang::driver::options::OPT_emit_llvm:
// case clang::driver::options::OPT_emit_llvm_only:
// case clang::driver::options::OPT_emit_codegen_only:
// case clang::driver::options::OPT_emit_module:
// (...)
}
// Parse the values provided with `-fget-definition` (there should be 3
// integers)
if (llvm::opt::OptSpecifier(a->getOption().getID()) ==
clang::driver::options::OPT_fget_definition) {
unsigned optVals[3] = {0, 0, 0};
for (unsigned i = 0; i < 3; i++) {
llvm::StringRef val = a->getValue(i);
if (val.getAsInteger(10, optVals[i])) {
// A non-integer was encountered - that's an error.
diags.Report(clang::diag::err_drv_invalid_value)
<< a->getOption().getName() << val;
break;
}
}
opts.getDefVals.line = optVals[0];
opts.getDefVals.startColumn = optVals[1];
opts.getDefVals.endColumn = optVals[2];
}
}
// Parsing -load <dsopath> option and storing shared object path
if (llvm::opt::Arg *a = args.getLastArg(clang::driver::options::OPT_load)) {
opts.plugins.push_back(a->getValue());
}
// Parsing -plugin <name> option and storing plugin name and setting action
if (const llvm::opt::Arg *a =
args.getLastArg(clang::driver::options::OPT_plugin)) {
opts.programAction = PluginAction;
opts.ActionName = a->getValue();
}
opts.outputFile = args.getLastArgValue(clang::driver::options::OPT_o);
opts.showHelp = args.hasArg(clang::driver::options::OPT_help);
opts.showVersion = args.hasArg(clang::driver::options::OPT_version);
// Get the input kind (from the value passed via `-x`)
InputKind dashX(Language::Unknown);
if (const llvm::opt::Arg *a =
args.getLastArg(clang::driver::options::OPT_x)) {
llvm::StringRef XValue = a->getValue();
// Principal languages.
dashX = llvm::StringSwitch<InputKind>(XValue)
.Case("f90", Language::Fortran)
.Default(Language::Unknown);
// Some special cases cannot be combined with suffixes.
if (dashX.IsUnknown())
dashX = llvm::StringSwitch<InputKind>(XValue)
.Case("ir", Language::LLVM_IR)
.Default(Language::Unknown);
if (dashX.IsUnknown())
diags.Report(clang::diag::err_drv_invalid_value)
<< a->getAsString(args) << a->getValue();
}
// Collect the input files and save them in our instance of FrontendOptions.
std::vector<std::string> inputs =
args.getAllArgValues(clang::driver::options::OPT_INPUT);
opts.inputs.clear();
if (inputs.empty())
// '-' is the default input if none is given.
inputs.push_back("-");
for (unsigned i = 0, e = inputs.size(); i != e; ++i) {
InputKind ik = dashX;
if (ik.IsUnknown()) {
ik = FrontendOptions::GetInputKindForExtension(
llvm::StringRef(inputs[i]).rsplit('.').second);
if (ik.IsUnknown())
ik = Language::Unknown;
if (i == 0)
dashX = ik;
}
opts.inputs.emplace_back(std::move(inputs[i]), ik);
}
// Set fortranForm based on options -ffree-form and -ffixed-form.
if (const auto *arg = args.getLastArg(clang::driver::options::OPT_ffixed_form,
clang::driver::options::OPT_ffree_form)) {
opts.fortranForm =
arg->getOption().matches(clang::driver::options::OPT_ffixed_form)
? FortranForm::FixedForm
: FortranForm::FreeForm;
}
// Set fixedFormColumns based on -ffixed-line-length=<value>
if (const auto *arg =
args.getLastArg(clang::driver::options::OPT_ffixed_line_length_EQ)) {
llvm::StringRef argValue = llvm::StringRef(arg->getValue());
std::int64_t columns = -1;
if (argValue == "none") {
columns = 0;
} else if (argValue.getAsInteger(/*Radix=*/10, columns)) {
columns = -1;
}
if (columns < 0) {
diags.Report(clang::diag::err_drv_negative_columns)
<< arg->getOption().getName() << arg->getValue();
} else if (columns == 0) {
opts.fixedFormColumns = 1000000;
} else if (columns < 7) {
diags.Report(clang::diag::err_drv_small_columns)
<< arg->getOption().getName() << arg->getValue() << "7";
} else {
opts.fixedFormColumns = columns;
}
}
// -f{no-}implicit-none
opts.features.Enable(
Fortran::common::LanguageFeature::ImplicitNoneTypeAlways,
args.hasFlag(clang::driver::options::OPT_fimplicit_none,
clang::driver::options::OPT_fno_implicit_none, false));
// -f{no-}backslash
opts.features.Enable(Fortran::common::LanguageFeature::BackslashEscapes,
args.hasFlag(clang::driver::options::OPT_fbackslash,
clang::driver::options::OPT_fno_backslash, false));
// -f{no-}logical-abbreviations
opts.features.Enable(Fortran::common::LanguageFeature::LogicalAbbreviations,
args.hasFlag(clang::driver::options::OPT_flogical_abbreviations,
clang::driver::options::OPT_fno_logical_abbreviations, false));
// -f{no-}xor-operator
opts.features.Enable(Fortran::common::LanguageFeature::XOROperator,
args.hasFlag(clang::driver::options::OPT_fxor_operator,
clang::driver::options::OPT_fno_xor_operator, false));
// -fno-automatic
if (args.hasArg(clang::driver::options::OPT_fno_automatic)) {
opts.features.Enable(Fortran::common::LanguageFeature::DefaultSave);
}
if (args.hasArg(
clang::driver::options::OPT_falternative_parameter_statement)) {
opts.features.Enable(Fortran::common::LanguageFeature::OldStyleParameter);
}
if (const llvm::opt::Arg *arg =
args.getLastArg(clang::driver::options::OPT_finput_charset_EQ)) {
llvm::StringRef argValue = arg->getValue();
if (argValue == "utf-8") {
opts.encoding = Fortran::parser::Encoding::UTF_8;
} else if (argValue == "latin-1") {
opts.encoding = Fortran::parser::Encoding::LATIN_1;
} else {
diags.Report(clang::diag::err_drv_invalid_value)
<< arg->getAsString(args) << argValue;
}
}
setUpFrontendBasedOnAction(opts);
opts.dashX = dashX;
return diags.getNumErrors() == numErrorsBefore;
}
// Generate the path to look for intrinsic modules
static std::string getIntrinsicDir() {
// TODO: Find a system independent API
llvm::SmallString<128> driverPath;
driverPath.assign(llvm::sys::fs::getMainExecutable(nullptr, nullptr));
llvm::sys::path::remove_filename(driverPath);
driverPath.append("/../include/flang/");
return std::string(driverPath);
}
/// Parses all preprocessor input arguments and populates the preprocessor
/// options accordingly.
///
/// \param [in] opts The preprocessor options instance
/// \param [out] args The list of input arguments
static void parsePreprocessorArgs(
Fortran::frontend::PreprocessorOptions &opts, llvm::opt::ArgList &args) {
// Add macros from the command line.
for (const auto *currentArg : args.filtered(
clang::driver::options::OPT_D, clang::driver::options::OPT_U)) {
if (currentArg->getOption().matches(clang::driver::options::OPT_D)) {
opts.addMacroDef(currentArg->getValue());
} else {
opts.addMacroUndef(currentArg->getValue());
}
}
// Add the ordered list of -I's.
for (const auto *currentArg : args.filtered(clang::driver::options::OPT_I))
opts.searchDirectoriesFromDashI.emplace_back(currentArg->getValue());
// Prepend the ordered list of -intrinsic-modules-path
// to the default location to search.
for (const auto *currentArg :
args.filtered(clang::driver::options::OPT_fintrinsic_modules_path))
opts.searchDirectoriesFromIntrModPath.emplace_back(currentArg->getValue());
// -cpp/-nocpp
if (const auto *currentArg = args.getLastArg(
clang::driver::options::OPT_cpp, clang::driver::options::OPT_nocpp))
opts.macrosFlag =
(currentArg->getOption().matches(clang::driver::options::OPT_cpp))
? PPMacrosFlag::Include
: PPMacrosFlag::Exclude;
opts.noReformat = args.hasArg(clang::driver::options::OPT_fno_reformat);
opts.noLineDirectives = args.hasArg(clang::driver::options::OPT_P);
}
/// Parses all semantic related arguments and populates the variables
/// options accordingly. Returns false if new errors are generated.
static bool parseSemaArgs(CompilerInvocation &res, llvm::opt::ArgList &args,
clang::DiagnosticsEngine &diags) {
unsigned numErrorsBefore = diags.getNumErrors();
// -J/module-dir option
auto moduleDirList =
args.getAllArgValues(clang::driver::options::OPT_module_dir);
// User can only specify -J/-module-dir once
// https://gcc.gnu.org/onlinedocs/gfortran/Directory-Options.html
if (moduleDirList.size() > 1) {
const unsigned diagID =
diags.getCustomDiagID(clang::DiagnosticsEngine::Error,
"Only one '-module-dir/-J' option allowed");
diags.Report(diagID);
}
if (moduleDirList.size() == 1)
res.SetModuleDir(moduleDirList[0]);
// -fdebug-module-writer option
if (args.hasArg(clang::driver::options::OPT_fdebug_module_writer)) {
res.SetDebugModuleDir(true);
}
// -module-suffix
if (const auto *moduleSuffix =
args.getLastArg(clang::driver::options::OPT_module_suffix)) {
res.SetModuleFileSuffix(moduleSuffix->getValue());
}
// -f{no-}analyzed-objects-for-unparse
res.SetUseAnalyzedObjectsForUnparse(
args.hasFlag(clang::driver::options::OPT_fanalyzed_objects_for_unparse,
clang::driver::options::OPT_fno_analyzed_objects_for_unparse, true));
return diags.getNumErrors() == numErrorsBefore;
}
/// Parses all diagnostics related arguments and populates the variables
/// options accordingly. Returns false if new errors are generated.
static bool parseDiagArgs(CompilerInvocation &res, llvm::opt::ArgList &args,
clang::DiagnosticsEngine &diags) {
unsigned numErrorsBefore = diags.getNumErrors();
// -Werror option
// TODO: Currently throws a Diagnostic for anything other than -W<error>,
// this has to change when other -W<opt>'s are supported.
if (args.hasArg(clang::driver::options::OPT_W_Joined)) {
if (args.getLastArgValue(clang::driver::options::OPT_W_Joined)
.equals("error")) {
res.SetWarnAsErr(true);
} else {
const unsigned diagID =
diags.getCustomDiagID(clang::DiagnosticsEngine::Error,
"Only `-Werror` is supported currently.");
diags.Report(diagID);
}
}
return diags.getNumErrors() == numErrorsBefore;
}
/// Parses all Dialect related arguments and populates the variables
/// options accordingly. Returns false if new errors are generated.
static bool parseDialectArgs(CompilerInvocation &res, llvm::opt::ArgList &args,
clang::DiagnosticsEngine &diags) {
unsigned numErrorsBefore = diags.getNumErrors();
// -fdefault* family
if (args.hasArg(clang::driver::options::OPT_fdefault_real_8)) {
res.defaultKinds().set_defaultRealKind(8);
res.defaultKinds().set_doublePrecisionKind(16);
}
if (args.hasArg(clang::driver::options::OPT_fdefault_integer_8)) {
res.defaultKinds().set_defaultIntegerKind(8);
res.defaultKinds().set_subscriptIntegerKind(8);
res.defaultKinds().set_sizeIntegerKind(8);
}
if (args.hasArg(clang::driver::options::OPT_fdefault_double_8)) {
if (!args.hasArg(clang::driver::options::OPT_fdefault_real_8)) {
// -fdefault-double-8 has to be used with -fdefault-real-8
// to be compatible with gfortran
const unsigned diagID =
diags.getCustomDiagID(clang::DiagnosticsEngine::Error,
"Use of `-fdefault-double-8` requires `-fdefault-real-8`");
diags.Report(diagID);
}
// https://gcc.gnu.org/onlinedocs/gfortran/Fortran-Dialect-Options.html
res.defaultKinds().set_doublePrecisionKind(8);
}
if (args.hasArg(clang::driver::options::OPT_flarge_sizes))
res.defaultKinds().set_sizeIntegerKind(8);
// -fopenmp and -fopenacc
if (args.hasArg(clang::driver::options::OPT_fopenacc)) {
res.frontendOpts().features.Enable(
Fortran::common::LanguageFeature::OpenACC);
}
if (args.hasArg(clang::driver::options::OPT_fopenmp)) {
res.frontendOpts().features.Enable(
Fortran::common::LanguageFeature::OpenMP);
}
// -pedantic
if (args.hasArg(clang::driver::options::OPT_pedantic)) {
res.set_EnableConformanceChecks();
}
// -std=f2018 (currently this implies -pedantic)
// TODO: Set proper options when more fortran standards
// are supported.
if (args.hasArg(clang::driver::options::OPT_std_EQ)) {
auto standard = args.getLastArgValue(clang::driver::options::OPT_std_EQ);
// We only allow f2018 as the given standard
if (standard.equals("f2018")) {
res.set_EnableConformanceChecks();
} else {
const unsigned diagID =
diags.getCustomDiagID(clang::DiagnosticsEngine::Error,
"Only -std=f2018 is allowed currently.");
diags.Report(diagID);
}
}
return diags.getNumErrors() == numErrorsBefore;
}
bool CompilerInvocation::CreateFromArgs(CompilerInvocation &res,
llvm::ArrayRef<const char *> commandLineArgs,
clang::DiagnosticsEngine &diags) {
bool success = true;
// Parse the arguments
const llvm::opt::OptTable &opts = clang::driver::getDriverOptTable();
const unsigned includedFlagsBitmask = clang::driver::options::FC1Option;
unsigned missingArgIndex, missingArgCount;
llvm::opt::InputArgList args = opts.ParseArgs(
commandLineArgs, missingArgIndex, missingArgCount, includedFlagsBitmask);
// Check for missing argument error.
if (missingArgCount) {
diags.Report(clang::diag::err_drv_missing_argument)
<< args.getArgString(missingArgIndex) << missingArgCount;
success = false;
}
// Issue errors on unknown arguments
for (const auto *a : args.filtered(clang::driver::options::OPT_UNKNOWN)) {
auto argString = a->getAsString(args);
std::string nearest;
if (opts.findNearest(argString, nearest, includedFlagsBitmask) > 1)
diags.Report(clang::diag::err_drv_unknown_argument) << argString;
else
diags.Report(clang::diag::err_drv_unknown_argument_with_suggestion)
<< argString << nearest;
success = false;
}
success &= ParseFrontendArgs(res.frontendOpts(), args, diags);
ParseTargetArgs(res.targetOpts(), args);
parsePreprocessorArgs(res.preprocessorOpts(), args);
success &= parseSemaArgs(res, args, diags);
success &= parseDialectArgs(res, args, diags);
success &= parseDiagArgs(res, args, diags);
return success;
}
void CompilerInvocation::CollectMacroDefinitions() {
auto &ppOpts = this->preprocessorOpts();
for (unsigned i = 0, n = ppOpts.macros.size(); i != n; ++i) {
llvm::StringRef macro = ppOpts.macros[i].first;
bool isUndef = ppOpts.macros[i].second;
std::pair<llvm::StringRef, llvm::StringRef> macroPair = macro.split('=');
llvm::StringRef macroName = macroPair.first;
llvm::StringRef macroBody = macroPair.second;
// For an #undef'd macro, we only care about the name.
if (isUndef) {
parserOpts_.predefinitions.emplace_back(
macroName.str(), std::optional<std::string>{});
continue;
}
// For a #define'd macro, figure out the actual definition.
if (macroName.size() == macro.size())
macroBody = "1";
else {
// Note: GCC drops anything following an end-of-line character.
llvm::StringRef::size_type End = macroBody.find_first_of("\n\r");
macroBody = macroBody.substr(0, End);
}
parserOpts_.predefinitions.emplace_back(
macroName, std::optional<std::string>(macroBody.str()));
}
}
void CompilerInvocation::SetDefaultFortranOpts() {
auto &fortranOptions = fortranOpts();
std::vector<std::string> searchDirectories{"."s};
fortranOptions.searchDirectories = searchDirectories;
fortranOptions.isFixedForm = false;
}
// TODO: When expanding this method, consider creating a dedicated API for
// this. Also at some point we will need to differentiate between different
// targets and add dedicated predefines for each.
void CompilerInvocation::SetDefaultPredefinitions() {
auto &fortranOptions = fortranOpts();
const auto &frontendOptions = frontendOpts();
// Populate the macro list with version numbers and other predefinitions.
fortranOptions.predefinitions.emplace_back("__flang__", "1");
fortranOptions.predefinitions.emplace_back(
"__flang_major__", FLANG_VERSION_MAJOR_STRING);
fortranOptions.predefinitions.emplace_back(
"__flang_minor__", FLANG_VERSION_MINOR_STRING);
fortranOptions.predefinitions.emplace_back(
"__flang_patchlevel__", FLANG_VERSION_PATCHLEVEL_STRING);
// Add predefinitions based on extensions enabled
if (frontendOptions.features.IsEnabled(
Fortran::common::LanguageFeature::OpenACC)) {
fortranOptions.predefinitions.emplace_back("_OPENACC", "202011");
}
if (frontendOptions.features.IsEnabled(
Fortran::common::LanguageFeature::OpenMP)) {
fortranOptions.predefinitions.emplace_back("_OPENMP", "201511");
}
}
void CompilerInvocation::SetFortranOpts() {
auto &fortranOptions = fortranOpts();
const auto &frontendOptions = frontendOpts();
const auto &preprocessorOptions = preprocessorOpts();
auto &moduleDirJ = moduleDir();
if (frontendOptions.fortranForm != FortranForm::Unknown) {
fortranOptions.isFixedForm =
frontendOptions.fortranForm == FortranForm::FixedForm;
}
fortranOptions.fixedFormColumns = frontendOptions.fixedFormColumns;
fortranOptions.features = frontendOptions.features;
fortranOptions.encoding = frontendOptions.encoding;
// Adding search directories specified by -I
fortranOptions.searchDirectories.insert(
fortranOptions.searchDirectories.end(),
preprocessorOptions.searchDirectoriesFromDashI.begin(),
preprocessorOptions.searchDirectoriesFromDashI.end());
// Add the ordered list of -intrinsic-modules-path
fortranOptions.searchDirectories.insert(
fortranOptions.searchDirectories.end(),
preprocessorOptions.searchDirectoriesFromIntrModPath.begin(),
preprocessorOptions.searchDirectoriesFromIntrModPath.end());
// Add the default intrinsic module directory
fortranOptions.intrinsicModuleDirectories.emplace_back(getIntrinsicDir());
// Add the directory supplied through -J/-module-dir to the list of search
// directories
if (moduleDirJ.compare(".") != 0)
fortranOptions.searchDirectories.emplace_back(moduleDirJ);
if (frontendOptions.instrumentedParse)
fortranOptions.instrumentedParse = true;
if (frontendOptions.needProvenanceRangeToCharBlockMappings)
fortranOptions.needProvenanceRangeToCharBlockMappings = true;
if (enableConformanceChecks()) {
fortranOptions.features.WarnOnAllNonstandard();
}
}
void CompilerInvocation::SetSemanticsOpts(
Fortran::parser::AllCookedSources &allCookedSources) {
const auto &fortranOptions = fortranOpts();
semanticsContext_ = std::make_unique<semantics::SemanticsContext>(
defaultKinds(), fortranOptions.features, allCookedSources);
semanticsContext_->set_moduleDirectory(moduleDir())
.set_searchDirectories(fortranOptions.searchDirectories)
.set_intrinsicModuleDirectories(fortranOptions.intrinsicModuleDirectories)
.set_warnOnNonstandardUsage(enableConformanceChecks())
.set_warningsAreErrors(warnAsErr())
.set_moduleFileSuffix(moduleFileSuffix());
}
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