#include "TGParser.h"
#include "llvm/ADT/OwningPtr.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/ToolOutputFile.h"
#include "llvm/Support/system_error.h"
#include "llvm/TableGen/Error.h"
#include "llvm/TableGen/Record.h"
#include "llvm/TableGen/TableGenAction.h"
#include <algorithm>
#include <cstdio>
using namespace llvm;
namespace {
cl::opt<std::string>
OutputFilename("o", cl::desc("Output filename"), cl::value_desc("filename"),
cl::init("-"));
cl::opt<std::string>
DependFilename("d", cl::desc("Dependency filename"), cl::value_desc("filename"),
cl::init(""));
cl::opt<std::string>
InputFilename(cl::Positional, cl::desc("<input file>"), cl::init("-"));
cl::list<std::string>
IncludeDirs("I", cl::desc("Directory of include files"),
cl::value_desc("directory"), cl::Prefix);
}
namespace llvm {
int TableGenMain(char *argv0, TableGenAction &Action) {
RecordKeeper Records;
try {
OwningPtr<MemoryBuffer> File;
if (error_code ec = MemoryBuffer::getFileOrSTDIN(InputFilename.c_str(), File)) {
errs() << "Could not open input file '" << InputFilename << "': "
<< ec.message() <<"\n";
return 1;
}
MemoryBuffer *F = File.take();
SrcMgr.AddNewSourceBuffer(F, SMLoc());
SrcMgr.setIncludeDirs(IncludeDirs);
TGParser Parser(SrcMgr, Records);
if (Parser.ParseFile())
return 1;
std::string Error;
tool_output_file Out(OutputFilename.c_str(), Error);
if (!Error.empty()) {
errs() << argv0 << ": error opening " << OutputFilename
<< ":" << Error << "\n";
return 1;
}
if (!DependFilename.empty()) {
if (OutputFilename == "-") {
errs() << argv0 << ": the option -d must be used together with -o\n";
return 1;
}
tool_output_file DepOut(DependFilename.c_str(), Error);
if (!Error.empty()) {
errs() << argv0 << ": error opening " << DependFilename
<< ":" << Error << "\n";
return 1;
}
DepOut.os() << OutputFilename << ":";
const std::vector<std::string> &Dependencies = Parser.getDependencies();
for (std::vector<std::string>::const_iterator I = Dependencies.begin(),
E = Dependencies.end();
I != E; ++I) {
DepOut.os() << " " << (*I);
}
DepOut.os() << "\n";
DepOut.keep();
}
if (Action(Out.os(), Records))
return 1;
Out.keep();
return 0;
} catch (const TGError &Error) {
PrintError(Error);
} catch (const std::string &Error) {
PrintError(Error);
} catch (const char *Error) {
PrintError(Error);
} catch (...) {
errs() << argv0 << ": Unknown unexpected exception occurred.\n";
}
return 1;
}
}