130 lines
4.9 KiB
C++
130 lines
4.9 KiB
C++
//
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// Copyright (c) 2008-2021 the Urho3D project.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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//
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#include <clang/ASTMatchers/ASTMatchFinder.h>
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#include <clang/Driver/Options.h>
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#include <clang/Tooling/CommonOptionsParser.h>
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#include <clang/Tooling/Tooling.h>
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#include <Mustache/mustache.hpp>
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#include <unordered_set>
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using namespace clang;
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using namespace clang::ast_matchers;
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using namespace clang::driver;
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using namespace clang::tooling;
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using namespace llvm;
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static cl::extrahelp commonHelp(CommonOptionsParser::HelpMessage);
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static cl::extrahelp moreHelp(
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"\tFor example, to run AutoBinder on all files in a subtree of the\n"
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"\tsource tree, use:\n"
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"\n"
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"\t find path/in/substree -name '*.cpp'|xargs AutoBinder -p build/path \\\n"
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"\t -t template/path -o output/path -s script0 -s script1\n"
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"\n"
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"\tNote, that path/in/subtree and current directory should follow the\n"
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"\trules described above.\n"
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"\n"
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"Most probably you want to invoke 'autobinder' built-in target instead of invoking this tool\n"
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"directly. The 'autobinder' target invokes this tool in a right context prepared by build system.\n"
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"\n"
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);
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static cl::OptionCategory autobinderCategory("AutoBinder options");
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static std::unique_ptr<opt::OptTable> options(createDriverOptTable());
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static cl::opt<std::string> templatePath("t", cl::desc("Template path"), cl::cat(autobinderCategory));
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static cl::opt<std::string> outputPath("o", cl::desc("Output path"), cl::cat(autobinderCategory));
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static cl::list<std::string> scripts("s", cl::desc("Script subsystems"), cl::cat(autobinderCategory));
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struct Data
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{
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std::unordered_set<std::string> symbols_;
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};
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static const std::string categories_[] = {"class", "enum"};
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static std::unordered_map<std::string, Data> categoryData_;
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class ExtractCallback : public MatchFinder::MatchCallback
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{
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public :
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virtual void run(const MatchFinder::MatchResult& result)
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{
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for (auto& i: categories_)
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{
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auto symbol = result.Nodes.getNodeAs<StringLiteral>(i);
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if (symbol)
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categoryData_[i].symbols_.insert(symbol->getString());
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}
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}
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virtual void onStartOfTranslationUnit()
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{
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static unsigned count = sizeof("Extracting") / sizeof(char) - 1;
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outs() << '.' << (++count % 100 ? "" : "\n"); // Sending a heart beat
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}
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};
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static int BindingGenerator()
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{
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// TODO: WIP
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return EXIT_SUCCESS;
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}
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int main(int argc, const char** argv)
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{
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// Parse the arguments and pass them to the the internal sub-tools
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CommonOptionsParser optionsParser(argc, argv, autobinderCategory);
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ClangTool bindingExtractor(optionsParser.getCompilations(), optionsParser.getSourcePathList());
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// Setup finder to match against AST nodes from Urho3D library source files
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ExtractCallback extractCallback;
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MatchFinder bindingFinder;
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// Find exported class declarations with Urho3D namespace
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bindingFinder.addMatcher(
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recordDecl(
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unless(hasAttr(attr::Annotate)),
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#ifndef _MSC_VER
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hasAttr(attr::Visibility),
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#else
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hasAttr(attr::DLLExport),
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#endif
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matchesName("^::Urho3D::")).bind("class"), &extractCallback);
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// Find enum declarations with Urho3D namespace
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bindingFinder.addMatcher(
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enumDecl(
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unless(hasAttr(attr::Annotate)),
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matchesName("^::Urho3D::")).bind("enum"), &extractCallback);
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// Unbuffered stdout stream to keep the Travis-CI's log flowing and thus prevent it from killing a potentially long running job
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outs().SetUnbuffered();
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// Success when both sub-tools are run successfully
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return (outs() << "Extracting", true) &&
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bindingExtractor.run(newFrontendActionFactory(&bindingFinder).get()) == EXIT_SUCCESS &&
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(outs() << "\nBinding", true) &&
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BindingGenerator() == EXIT_SUCCESS &&
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(outs() << "\n", true) ?
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EXIT_SUCCESS : EXIT_FAILURE;
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}
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