596 lines
16 KiB
C++
596 lines
16 KiB
C++
/*
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* Copyright 2011 Sven Verdoolaege. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY SVEN VERDOOLAEGE ''AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SVEN VERDOOLAEGE OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* The views and conclusions contained in the software and documentation
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* are those of the authors and should not be interpreted as
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* representing official policies, either expressed or implied, of
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* Sven Verdoolaege.
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*/
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#include "isl_config.h"
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#undef PACKAGE
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#include <assert.h>
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#include <iostream>
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#include <stdlib.h>
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#ifdef HAVE_ADT_OWNINGPTR_H
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#include <llvm/ADT/OwningPtr.h>
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#else
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#include <memory>
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#endif
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#ifdef HAVE_LLVM_OPTION_ARG_H
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#include <llvm/Option/Arg.h>
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#endif
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#include <llvm/Support/raw_ostream.h>
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#include <llvm/Support/CommandLine.h>
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#include <llvm/Support/Host.h>
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#include <llvm/Support/ManagedStatic.h>
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#include <clang/AST/ASTContext.h>
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#include <clang/AST/ASTConsumer.h>
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#include <clang/Basic/Builtins.h>
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#include <clang/Basic/FileSystemOptions.h>
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#include <clang/Basic/FileManager.h>
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#include <clang/Basic/TargetOptions.h>
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#include <clang/Basic/TargetInfo.h>
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#include <clang/Basic/Version.h>
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#include <clang/Driver/Compilation.h>
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#include <clang/Driver/Driver.h>
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#include <clang/Driver/Tool.h>
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#include <clang/Frontend/CompilerInstance.h>
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#include <clang/Frontend/CompilerInvocation.h>
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#ifdef HAVE_BASIC_DIAGNOSTICOPTIONS_H
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#include <clang/Basic/DiagnosticOptions.h>
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#else
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#include <clang/Frontend/DiagnosticOptions.h>
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#endif
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#include <clang/Frontend/TextDiagnosticPrinter.h>
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#include <clang/Frontend/Utils.h>
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#include <clang/Lex/HeaderSearch.h>
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#ifdef HAVE_LEX_PREPROCESSOROPTIONS_H
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#include <clang/Lex/PreprocessorOptions.h>
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#else
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#include <clang/Frontend/PreprocessorOptions.h>
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#endif
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#include <clang/Lex/Preprocessor.h>
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#include <clang/Parse/ParseAST.h>
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#include <clang/Sema/Sema.h>
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#include "extract_interface.h"
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#include "generator.h"
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#include "python.h"
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#include "plain_cpp.h"
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#include "cpp_conversion.h"
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#include "template_cpp.h"
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using namespace std;
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using namespace clang;
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using namespace clang::driver;
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#ifdef HAVE_LLVM_OPTION_ARG_H
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using namespace llvm::opt;
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#endif
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#ifdef HAVE_ADT_OWNINGPTR_H
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#define unique_ptr llvm::OwningPtr
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#endif
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static llvm::cl::opt<string> InputFilename(llvm::cl::Positional,
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llvm::cl::Required, llvm::cl::desc("<input file>"));
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static llvm::cl::list<string> Includes("I",
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llvm::cl::desc("Header search path"),
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llvm::cl::value_desc("path"), llvm::cl::Prefix);
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static llvm::cl::opt<string> OutputLanguage(llvm::cl::Required,
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llvm::cl::ValueRequired, "language",
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llvm::cl::desc("Bindings to generate"),
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llvm::cl::value_desc("name"));
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static const char *ResourceDir =
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CLANG_PREFIX "/lib/clang/" CLANG_VERSION_MAJOR_STRING;
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/* Does decl have an attribute of the following form?
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*
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* __attribute__((annotate("name")))
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*/
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bool has_annotation(Decl *decl, const char *name)
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{
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if (!decl->hasAttrs())
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return false;
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AttrVec attrs = decl->getAttrs();
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for (AttrVec::const_iterator i = attrs.begin() ; i != attrs.end(); ++i) {
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const AnnotateAttr *ann = dyn_cast<AnnotateAttr>(*i);
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if (!ann)
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continue;
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if (ann->getAnnotation().str() == name)
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return true;
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}
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return false;
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}
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/* Is decl marked as exported?
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*/
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static bool is_exported(Decl *decl)
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{
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return has_annotation(decl, "isl_export");
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}
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/* Collect all types and functions that are annotated "isl_export"
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* in "exported_types" and "exported_function". Collect all function
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* declarations in "functions".
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*
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* We currently only consider single declarations.
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*/
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struct MyASTConsumer : public ASTConsumer {
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set<RecordDecl *> exported_types;
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set<FunctionDecl *> exported_functions;
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set<FunctionDecl *> functions;
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virtual HandleTopLevelDeclReturn HandleTopLevelDecl(DeclGroupRef D) {
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Decl *decl;
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if (!D.isSingleDecl())
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return HandleTopLevelDeclContinue;
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decl = D.getSingleDecl();
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if (isa<FunctionDecl>(decl))
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functions.insert(cast<FunctionDecl>(decl));
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if (!is_exported(decl))
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return HandleTopLevelDeclContinue;
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switch (decl->getKind()) {
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case Decl::Record:
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exported_types.insert(cast<RecordDecl>(decl));
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break;
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case Decl::Function:
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exported_functions.insert(cast<FunctionDecl>(decl));
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break;
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default:
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break;
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}
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return HandleTopLevelDeclContinue;
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}
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};
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#ifdef USE_ARRAYREF
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#ifdef HAVE_CXXISPRODUCTION
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static Driver *construct_driver(const char *binary, DiagnosticsEngine &Diags)
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{
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return new Driver(binary, llvm::sys::getDefaultTargetTriple(),
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"", false, false, Diags);
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}
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#elif defined(HAVE_ISPRODUCTION)
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static Driver *construct_driver(const char *binary, DiagnosticsEngine &Diags)
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{
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return new Driver(binary, llvm::sys::getDefaultTargetTriple(),
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"", false, Diags);
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}
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#elif defined(DRIVER_CTOR_TAKES_DEFAULTIMAGENAME)
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static Driver *construct_driver(const char *binary, DiagnosticsEngine &Diags)
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{
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return new Driver(binary, llvm::sys::getDefaultTargetTriple(),
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"", Diags);
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}
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#else
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static Driver *construct_driver(const char *binary, DiagnosticsEngine &Diags)
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{
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return new Driver(binary, llvm::sys::getDefaultTargetTriple(), Diags);
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}
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#endif
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namespace clang { namespace driver { class Job; } }
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/* Clang changed its API from 3.5 to 3.6 and once more in 3.7.
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* We fix this with a simple overloaded function here.
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*/
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struct ClangAPI {
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static Job *command(Job *J) { return J; }
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static Job *command(Job &J) { return &J; }
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static Command *command(Command &C) { return &C; }
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};
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#ifdef CREATE_FROM_ARGS_TAKES_ARRAYREF
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/* Call CompilerInvocation::CreateFromArgs with the right arguments.
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* In this case, an ArrayRef<const char *>.
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*/
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static void create_from_args(CompilerInvocation &invocation,
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const ArgStringList *args, DiagnosticsEngine &Diags)
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{
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CompilerInvocation::CreateFromArgs(invocation, *args, Diags);
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}
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#else
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/* Call CompilerInvocation::CreateFromArgs with the right arguments.
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* In this case, two "const char *" pointers.
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*/
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static void create_from_args(CompilerInvocation &invocation,
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const ArgStringList *args, DiagnosticsEngine &Diags)
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{
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CompilerInvocation::CreateFromArgs(invocation, args->data() + 1,
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args->data() + args->size(),
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Diags);
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}
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#endif
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#ifdef CLANG_SYSROOT
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/* Set sysroot if required.
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*
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* If CLANG_SYSROOT is defined, then set it to this value.
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*/
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static void set_sysroot(ArgStringList &args)
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{
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args.push_back("-isysroot");
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args.push_back(CLANG_SYSROOT);
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}
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#else
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/* Set sysroot if required.
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*
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* If CLANG_SYSROOT is not defined, then it does not need to be set.
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*/
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static void set_sysroot(ArgStringList &args)
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{
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}
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#endif
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/* Create a CompilerInvocation object that stores the command line
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* arguments constructed by the driver.
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* The arguments are mainly useful for setting up the system include
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* paths on newer clangs and on some platforms.
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*/
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static CompilerInvocation *construct_invocation(const char *filename,
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DiagnosticsEngine &Diags)
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{
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const char *binary = CLANG_PREFIX"/bin/clang";
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const unique_ptr<Driver> driver(construct_driver(binary, Diags));
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std::vector<const char *> Argv;
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Argv.push_back(binary);
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Argv.push_back(filename);
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const unique_ptr<Compilation> compilation(
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driver->BuildCompilation(llvm::ArrayRef<const char *>(Argv)));
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JobList &Jobs = compilation->getJobs();
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Command *cmd = cast<Command>(ClangAPI::command(*Jobs.begin()));
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if (strcmp(cmd->getCreator().getName(), "clang"))
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return NULL;
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ArgStringList args = cmd->getArguments();
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set_sysroot(args);
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CompilerInvocation *invocation = new CompilerInvocation;
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create_from_args(*invocation, &args, Diags);
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return invocation;
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}
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#else
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static CompilerInvocation *construct_invocation(const char *filename,
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DiagnosticsEngine &Diags)
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{
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return NULL;
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}
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#endif
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#ifdef HAVE_BASIC_DIAGNOSTICOPTIONS_H
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static TextDiagnosticPrinter *construct_printer(void)
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{
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return new TextDiagnosticPrinter(llvm::errs(), new DiagnosticOptions());
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}
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#else
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static TextDiagnosticPrinter *construct_printer(void)
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{
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DiagnosticOptions DO;
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return new TextDiagnosticPrinter(llvm::errs(), DO);
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}
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#endif
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#ifdef CREATETARGETINFO_TAKES_SHARED_PTR
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static TargetInfo *create_target_info(CompilerInstance *Clang,
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DiagnosticsEngine &Diags)
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{
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shared_ptr<TargetOptions> TO = Clang->getInvocation().TargetOpts;
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TO->Triple = llvm::sys::getDefaultTargetTriple();
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return TargetInfo::CreateTargetInfo(Diags, TO);
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}
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#elif defined(CREATETARGETINFO_TAKES_POINTER)
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static TargetInfo *create_target_info(CompilerInstance *Clang,
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DiagnosticsEngine &Diags)
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{
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TargetOptions &TO = Clang->getTargetOpts();
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TO.Triple = llvm::sys::getDefaultTargetTriple();
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return TargetInfo::CreateTargetInfo(Diags, &TO);
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}
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#else
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static TargetInfo *create_target_info(CompilerInstance *Clang,
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DiagnosticsEngine &Diags)
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{
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TargetOptions &TO = Clang->getTargetOpts();
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TO.Triple = llvm::sys::getDefaultTargetTriple();
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return TargetInfo::CreateTargetInfo(Diags, TO);
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}
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#endif
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#ifdef CREATEDIAGNOSTICS_TAKES_ARG
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static void create_diagnostics(CompilerInstance *Clang)
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{
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Clang->createDiagnostics(0, NULL, construct_printer());
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}
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#else
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static void create_diagnostics(CompilerInstance *Clang)
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{
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Clang->createDiagnostics(construct_printer());
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}
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#endif
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#ifdef CREATEPREPROCESSOR_TAKES_TUKIND
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static void create_preprocessor(CompilerInstance *Clang)
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{
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Clang->createPreprocessor(TU_Complete);
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}
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#else
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static void create_preprocessor(CompilerInstance *Clang)
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{
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Clang->createPreprocessor();
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}
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#endif
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#ifdef ADDPATH_TAKES_4_ARGUMENTS
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/* Add "Path" to the header search options.
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*
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* Do not take into account sysroot, i.e., set ignoreSysRoot to true.
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*/
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void add_path(HeaderSearchOptions &HSO, string Path)
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{
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HSO.AddPath(Path, frontend::Angled, false, true);
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}
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#else
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/* Add "Path" to the header search options.
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*
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* Do not take into account sysroot, i.e., set IsSysRootRelative to false.
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*/
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void add_path(HeaderSearchOptions &HSO, string Path)
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{
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HSO.AddPath(Path, frontend::Angled, true, false, false);
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}
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#endif
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#ifdef HAVE_SETMAINFILEID
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static void create_main_file_id(SourceManager &SM, const FileEntry *file)
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{
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SM.setMainFileID(SM.createFileID(file, SourceLocation(),
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SrcMgr::C_User));
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}
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#else
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static void create_main_file_id(SourceManager &SM, const FileEntry *file)
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{
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SM.createMainFileID(file);
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}
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#endif
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#ifdef SETLANGDEFAULTS_TAKES_5_ARGUMENTS
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#include "set_lang_defaults_arg4.h"
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static void set_lang_defaults(CompilerInstance *Clang)
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{
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PreprocessorOptions &PO = Clang->getPreprocessorOpts();
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TargetOptions &TO = Clang->getTargetOpts();
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llvm::Triple T(TO.Triple);
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CompilerInvocation::setLangDefaults(Clang->getLangOpts(), IK_C, T,
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setLangDefaultsArg4(PO),
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LangStandard::lang_unspecified);
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}
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#else
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static void set_lang_defaults(CompilerInstance *Clang)
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{
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CompilerInvocation::setLangDefaults(Clang->getLangOpts(), IK_C,
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LangStandard::lang_unspecified);
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}
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#endif
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#ifdef SETINVOCATION_TAKES_SHARED_PTR
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static void set_invocation(CompilerInstance *Clang,
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CompilerInvocation *invocation)
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{
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Clang->setInvocation(std::make_shared<CompilerInvocation>(*invocation));
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}
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#else
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static void set_invocation(CompilerInstance *Clang,
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CompilerInvocation *invocation)
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{
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Clang->setInvocation(invocation);
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}
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#endif
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/* Helper function for ignore_error that only gets enabled if T
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* (which is either const FileEntry * or llvm::ErrorOr<const FileEntry *>)
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* has getError method, i.e., if it is llvm::ErrorOr<const FileEntry *>.
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*/
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template <class T>
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static const FileEntry *ignore_error_helper(const T obj, int,
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int[1][sizeof(obj.getError())])
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{
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return *obj;
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}
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/* Helper function for ignore_error that is always enabled,
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* but that only gets selected if the variant above is not enabled,
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* i.e., if T is const FileEntry *.
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*/
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template <class T>
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static const FileEntry *ignore_error_helper(const T obj, long, void *)
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{
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return obj;
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}
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/* Given either a const FileEntry * or a llvm::ErrorOr<const FileEntry *>,
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* extract out the const FileEntry *.
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*/
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template <class T>
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static const FileEntry *ignore_error(const T obj)
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{
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return ignore_error_helper(obj, 0, NULL);
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}
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/* Return the FileEntry corresponding to the given file name
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* in the given compiler instances, ignoring any error.
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*/
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static const FileEntry *getFile(CompilerInstance *Clang, std::string Filename)
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{
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return ignore_error(Clang->getFileManager().getFile(Filename));
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}
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/* Create an interface generator for the selected language and
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* then use it to generate the interface.
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*/
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static void generate(MyASTConsumer &consumer, SourceManager &SM)
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{
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generator *gen;
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if (OutputLanguage.compare("python") == 0) {
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gen = new python_generator(SM, consumer.exported_types,
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consumer.exported_functions, consumer.functions);
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} else if (OutputLanguage.compare("cpp") == 0) {
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gen = new plain_cpp_generator(SM, consumer.exported_types,
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consumer.exported_functions, consumer.functions);
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} else if (OutputLanguage.compare("cpp-checked") == 0) {
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gen = new plain_cpp_generator(SM, consumer.exported_types,
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consumer.exported_functions, consumer.functions, true);
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} else if (OutputLanguage.compare("cpp-checked-conversion") == 0) {
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gen = new cpp_conversion_generator(SM, consumer.exported_types,
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consumer.exported_functions, consumer.functions);
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} else if (OutputLanguage.compare("template-cpp") == 0) {
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gen = new template_cpp_generator(SM, consumer.exported_types,
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consumer.exported_functions, consumer.functions);
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} else {
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cerr << "Language '" << OutputLanguage
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<< "' not recognized." << endl
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<< "Not generating bindings." << endl;
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exit(EXIT_FAILURE);
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}
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gen->generate();
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}
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int main(int argc, char *argv[])
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{
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llvm::cl::ParseCommandLineOptions(argc, argv);
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CompilerInstance *Clang = new CompilerInstance();
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create_diagnostics(Clang);
|
|
DiagnosticsEngine &Diags = Clang->getDiagnostics();
|
|
Diags.setSuppressSystemWarnings(true);
|
|
TargetInfo *target = create_target_info(Clang, Diags);
|
|
Clang->setTarget(target);
|
|
set_lang_defaults(Clang);
|
|
CompilerInvocation *invocation =
|
|
construct_invocation(InputFilename.c_str(), Diags);
|
|
if (invocation)
|
|
set_invocation(Clang, invocation);
|
|
Clang->createFileManager();
|
|
Clang->createSourceManager(Clang->getFileManager());
|
|
HeaderSearchOptions &HSO = Clang->getHeaderSearchOpts();
|
|
LangOptions &LO = Clang->getLangOpts();
|
|
PreprocessorOptions &PO = Clang->getPreprocessorOpts();
|
|
HSO.ResourceDir = ResourceDir;
|
|
|
|
for (llvm::cl::list<string>::size_type i = 0; i < Includes.size(); ++i)
|
|
add_path(HSO, Includes[i]);
|
|
|
|
PO.addMacroDef("__isl_give=__attribute__((annotate(\"isl_give\")))");
|
|
PO.addMacroDef("__isl_keep=__attribute__((annotate(\"isl_keep\")))");
|
|
PO.addMacroDef("__isl_take=__attribute__((annotate(\"isl_take\")))");
|
|
PO.addMacroDef("__isl_export=__attribute__((annotate(\"isl_export\")))");
|
|
PO.addMacroDef("__isl_overload="
|
|
"__attribute__((annotate(\"isl_overload\"))) "
|
|
"__attribute__((annotate(\"isl_export\")))");
|
|
PO.addMacroDef("__isl_constructor=__attribute__((annotate(\"isl_constructor\"))) __attribute__((annotate(\"isl_export\")))");
|
|
PO.addMacroDef("__isl_subclass(super)=__attribute__((annotate(\"isl_subclass(\" #super \")\"))) __attribute__((annotate(\"isl_export\")))");
|
|
|
|
create_preprocessor(Clang);
|
|
Preprocessor &PP = Clang->getPreprocessor();
|
|
|
|
PP.getBuiltinInfo().initializeBuiltins(PP.getIdentifierTable(), LO);
|
|
|
|
const FileEntry *file = getFile(Clang, InputFilename);
|
|
assert(file);
|
|
create_main_file_id(Clang->getSourceManager(), file);
|
|
|
|
Clang->createASTContext();
|
|
MyASTConsumer consumer;
|
|
Sema *sema = new Sema(PP, Clang->getASTContext(), consumer);
|
|
|
|
Diags.getClient()->BeginSourceFile(LO, &PP);
|
|
ParseAST(*sema);
|
|
Diags.getClient()->EndSourceFile();
|
|
|
|
generate(consumer, Clang->getSourceManager());
|
|
|
|
delete sema;
|
|
delete Clang;
|
|
llvm::llvm_shutdown();
|
|
|
|
if (Diags.hasErrorOccurred())
|
|
return EXIT_FAILURE;
|
|
return EXIT_SUCCESS;
|
|
}
|