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#include <iostream>
#include "llvm/Support/Host.h"
#include "llvm/Support/raw_ostream.h"
#include "clang/AST/AST.h"
#include "clang/AST/ASTConsumer.h"
#include "clang/AST/ASTContext.h"
#include "clang/AST/DeclGroup.h"
#include "clang/Basic/Diagnostic.h"
#include "clang/Basic/FileManager.h"
#include "clang/Basic/SourceManager.h"
#include "clang/Basic/TargetInfo.h"
#include "clang/Basic/TargetOptions.h"
#include "clang/Frontend/CompilerInstance.h"
#include "clang/Lex/Preprocessor.h"
#include "clang/Parse/ParseAST.h"
#include "clang/Parse/Parser.h"
using namespace std;
using namespace clang;
class PrintFunctionsConsumer : public ASTConsumer {
public:
virtual void HandleTopLevelDecl(DeclGroupRef DG) {
for (DeclGroupRef::iterator i = DG.begin(), e = DG.end(); i != e; ++i) {
const Decl *D = *i;
const FunctionDecl *FD = dyn_cast<FunctionDecl>(D);
if (!FD || !FD->hasPrototype() || !FD->isExternC() || !FD->isGlobal()) return;
cout << FD->getResultType().getAsString() << " ";
cout << FD->getNameAsString() << "(";
bool printComma = false;
FunctionDecl::param_const_iterator I = FD->param_begin(),
E = FD->param_end();
while (I != E) {
ParmVarDecl *PVD = *I++;
if (printComma) cout << ", ";
cout << PVD->getOriginalType().getAsString();
printComma = true;
}
cout << ");\n";
}
}
};
int main()
{
CompilerInstance ci;
ci.createDiagnostics(0,NULL);
TargetOptions to;
to.Triple = llvm::sys::getHostTriple();
TargetInfo *pti = TargetInfo::CreateTargetInfo(ci.getDiagnostics(), to);
ci.setTarget(pti);
ci.getHeaderSearchOpts().AddPath(
StringRef("lib/clang/3.0/include"), frontend::Angled, false, false, false
);
ci.getHeaderSearchOpts().AddPath(
StringRef("src/support"), frontend::Quoted, true, false, false
);
ci.createFileManager();
ci.createSourceManager(ci.getFileManager());
ci.createPreprocessor();
PrintFunctionsConsumer *astConsumer = new PrintFunctionsConsumer();
ci.setASTConsumer(astConsumer);
ci.createASTContext();
const FileEntry *pFile = ci.getFileManager().getFile("src/julia.h");
ci.getSourceManager().createMainFileID(pFile);
ci.getDiagnosticClient().BeginSourceFile(ci.getLangOpts(), &ci.getPreprocessor());
clang::ParseAST(ci.getPreprocessor(), astConsumer, ci.getASTContext());
ci.getDiagnosticClient().EndSourceFile();
return 0;
}
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