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//===-- examples/flang-omp-report-plugin/flang-omp-report.cpp -------------===//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
// This plugin parses a Fortran source file and generates a YAML
// report with all the OpenMP constructs and clauses and which
// line they're located on.
// The plugin may be invoked as:
// ./bin/flang-new -fc1 -load lib/ -plugin
// flang-omp-report -fopenmp -o - <source_file.f90>
#include "flang-omp-report-visitor.h"
#include "flang/Frontend/CompilerInstance.h"
#include "flang/Frontend/FrontendActions.h"
#include "flang/Frontend/FrontendPluginRegistry.h"
#include "flang/Parser/dump-parse-tree.h"
#include "llvm/Support/YAMLParser.h"
#include "llvm/Support/YAMLTraits.h"
using namespace Fortran::frontend;
using namespace Fortran::parser;
namespace llvm {
namespace yaml {
using llvm::yaml::IO;
using llvm::yaml::MappingTraits;
template <> struct MappingTraits<ClauseInfo> {
static void mapping(IO &io, ClauseInfo &info) {
io.mapRequired("clause", info.clause);
io.mapRequired("details", info.clauseDetails);
template <> struct MappingTraits<LogRecord> {
static void mapping(IO &io, LogRecord &info) {
io.mapRequired("file", info.file);
io.mapRequired("line", info.line);
io.mapRequired("construct", info.construct);
io.mapRequired("clauses", info.clauses);
} // namespace yaml
} // namespace llvm
class FlangOmpReport : public PluginParseTreeAction {
void ExecuteAction() override {
// Prepare the parse tree and the visitor
CompilerInstance &ci = this->instance();
Parsing &parsing = ci.parsing();
const Program &parseTree = *parsing.parseTree();
OpenMPCounterVisitor visitor;
visitor.parsing = &parsing;
// Walk the parse tree
Walk(parseTree, visitor);
// Dump the output
std::unique_ptr<llvm::raw_pwrite_stream> OS{ci.CreateDefaultOutputFile(
/*Binary=*/true, /*InFile=*/GetCurrentFileOrBufferName(),
llvm::yaml::Output yout(*OS);
yout << visitor.constructClauses;
static FrontendPluginRegistry::Add<FlangOmpReport> X("flang-omp-report",
"Generate a YAML summary of OpenMP constructs and clauses");