llvm/utils/TableGen/TableGen.cpp
Peter Collingbourne 7c78888887 Move TableGen's parser and entry point into a library
This is the first step towards splitting LLVM and Clang's tblgen executables.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140951 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-01 16:41:13 +00:00

321 lines
12 KiB
C++

//===- TableGen.cpp - Top-Level TableGen implementation for LLVM ----------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains the main function for LLVM's TableGen.
//
//===----------------------------------------------------------------------===//
#include "AsmMatcherEmitter.h"
#include "AsmWriterEmitter.h"
#include "CallingConvEmitter.h"
#include "ClangASTNodesEmitter.h"
#include "ClangAttrEmitter.h"
#include "ClangDiagnosticsEmitter.h"
#include "ClangSACheckersEmitter.h"
#include "CodeEmitterGen.h"
#include "DAGISelEmitter.h"
#include "DisassemblerEmitter.h"
#include "EDEmitter.h"
#include "FastISelEmitter.h"
#include "InstrInfoEmitter.h"
#include "IntrinsicEmitter.h"
#include "NeonEmitter.h"
#include "OptParserEmitter.h"
#include "PseudoLoweringEmitter.h"
#include "RegisterInfoEmitter.h"
#include "ARMDecoderEmitter.h"
#include "SubtargetEmitter.h"
#include "SetTheory.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/PrettyStackTrace.h"
#include "llvm/Support/Signals.h"
#include "llvm/TableGen/Error.h"
#include "llvm/TableGen/Main.h"
#include "llvm/TableGen/Record.h"
#include "llvm/TableGen/TableGenAction.h"
using namespace llvm;
enum ActionType {
PrintRecords,
GenEmitter,
GenRegisterInfo,
GenInstrInfo,
GenAsmWriter,
GenAsmMatcher,
GenARMDecoder,
GenDisassembler,
GenPseudoLowering,
GenCallingConv,
GenClangAttrClasses,
GenClangAttrImpl,
GenClangAttrList,
GenClangAttrPCHRead,
GenClangAttrPCHWrite,
GenClangAttrSpellingList,
GenClangAttrLateParsedList,
GenClangDiagsDefs,
GenClangDiagGroups,
GenClangDiagsIndexName,
GenClangDeclNodes,
GenClangStmtNodes,
GenClangSACheckers,
GenDAGISel,
GenFastISel,
GenOptParserDefs, GenOptParserImpl,
GenSubtarget,
GenIntrinsic,
GenTgtIntrinsic,
GenEDInfo,
GenArmNeon,
GenArmNeonSema,
GenArmNeonTest,
PrintEnums,
PrintSets
};
namespace {
cl::opt<ActionType>
Action(cl::desc("Action to perform:"),
cl::values(clEnumValN(PrintRecords, "print-records",
"Print all records to stdout (default)"),
clEnumValN(GenEmitter, "gen-emitter",
"Generate machine code emitter"),
clEnumValN(GenRegisterInfo, "gen-register-info",
"Generate registers and register classes info"),
clEnumValN(GenInstrInfo, "gen-instr-info",
"Generate instruction descriptions"),
clEnumValN(GenCallingConv, "gen-callingconv",
"Generate calling convention descriptions"),
clEnumValN(GenAsmWriter, "gen-asm-writer",
"Generate assembly writer"),
clEnumValN(GenARMDecoder, "gen-arm-decoder",
"Generate decoders for ARM/Thumb"),
clEnumValN(GenDisassembler, "gen-disassembler",
"Generate disassembler"),
clEnumValN(GenPseudoLowering, "gen-pseudo-lowering",
"Generate pseudo instruction lowering"),
clEnumValN(GenAsmMatcher, "gen-asm-matcher",
"Generate assembly instruction matcher"),
clEnumValN(GenDAGISel, "gen-dag-isel",
"Generate a DAG instruction selector"),
clEnumValN(GenFastISel, "gen-fast-isel",
"Generate a \"fast\" instruction selector"),
clEnumValN(GenOptParserDefs, "gen-opt-parser-defs",
"Generate option definitions"),
clEnumValN(GenOptParserImpl, "gen-opt-parser-impl",
"Generate option parser implementation"),
clEnumValN(GenSubtarget, "gen-subtarget",
"Generate subtarget enumerations"),
clEnumValN(GenIntrinsic, "gen-intrinsic",
"Generate intrinsic information"),
clEnumValN(GenTgtIntrinsic, "gen-tgt-intrinsic",
"Generate target intrinsic information"),
clEnumValN(GenClangAttrClasses, "gen-clang-attr-classes",
"Generate clang attribute clases"),
clEnumValN(GenClangAttrImpl, "gen-clang-attr-impl",
"Generate clang attribute implementations"),
clEnumValN(GenClangAttrList, "gen-clang-attr-list",
"Generate a clang attribute list"),
clEnumValN(GenClangAttrPCHRead, "gen-clang-attr-pch-read",
"Generate clang PCH attribute reader"),
clEnumValN(GenClangAttrPCHWrite, "gen-clang-attr-pch-write",
"Generate clang PCH attribute writer"),
clEnumValN(GenClangAttrSpellingList,
"gen-clang-attr-spelling-list",
"Generate a clang attribute spelling list"),
clEnumValN(GenClangAttrLateParsedList,
"gen-clang-attr-late-parsed-list",
"Generate a clang attribute LateParsed list"),
clEnumValN(GenClangDiagsDefs, "gen-clang-diags-defs",
"Generate Clang diagnostics definitions"),
clEnumValN(GenClangDiagGroups, "gen-clang-diag-groups",
"Generate Clang diagnostic groups"),
clEnumValN(GenClangDiagsIndexName,
"gen-clang-diags-index-name",
"Generate Clang diagnostic name index"),
clEnumValN(GenClangDeclNodes, "gen-clang-decl-nodes",
"Generate Clang AST declaration nodes"),
clEnumValN(GenClangStmtNodes, "gen-clang-stmt-nodes",
"Generate Clang AST statement nodes"),
clEnumValN(GenClangSACheckers, "gen-clang-sa-checkers",
"Generate Clang Static Analyzer checkers"),
clEnumValN(GenEDInfo, "gen-enhanced-disassembly-info",
"Generate enhanced disassembly info"),
clEnumValN(GenArmNeon, "gen-arm-neon",
"Generate arm_neon.h for clang"),
clEnumValN(GenArmNeonSema, "gen-arm-neon-sema",
"Generate ARM NEON sema support for clang"),
clEnumValN(GenArmNeonTest, "gen-arm-neon-test",
"Generate ARM NEON tests for clang"),
clEnumValN(PrintEnums, "print-enums",
"Print enum values for a class"),
clEnumValN(PrintSets, "print-sets",
"Print expanded sets for testing DAG exprs"),
clEnumValEnd));
cl::opt<std::string>
Class("class", cl::desc("Print Enum list for this class"),
cl::value_desc("class name"));
cl::opt<std::string>
ClangComponent("clang-component",
cl::desc("Only use warnings from specified component"),
cl::value_desc("component"), cl::Hidden);
}
class LLVMTableGenAction : public TableGenAction {
public:
bool operator()(raw_ostream &OS, RecordKeeper &Records) {
switch (Action) {
case PrintRecords:
OS << Records; // No argument, dump all contents
break;
case GenEmitter:
CodeEmitterGen(Records).run(OS);
break;
case GenRegisterInfo:
RegisterInfoEmitter(Records).run(OS);
break;
case GenInstrInfo:
InstrInfoEmitter(Records).run(OS);
break;
case GenCallingConv:
CallingConvEmitter(Records).run(OS);
break;
case GenAsmWriter:
AsmWriterEmitter(Records).run(OS);
break;
case GenARMDecoder:
ARMDecoderEmitter(Records).run(OS);
break;
case GenAsmMatcher:
AsmMatcherEmitter(Records).run(OS);
break;
case GenClangAttrClasses:
ClangAttrClassEmitter(Records).run(OS);
break;
case GenClangAttrImpl:
ClangAttrImplEmitter(Records).run(OS);
break;
case GenClangAttrList:
ClangAttrListEmitter(Records).run(OS);
break;
case GenClangAttrPCHRead:
ClangAttrPCHReadEmitter(Records).run(OS);
break;
case GenClangAttrPCHWrite:
ClangAttrPCHWriteEmitter(Records).run(OS);
break;
case GenClangAttrSpellingList:
ClangAttrSpellingListEmitter(Records).run(OS);
break;
case GenClangAttrLateParsedList:
ClangAttrLateParsedListEmitter(Records).run(OS);
break;
case GenClangDiagsDefs:
ClangDiagsDefsEmitter(Records, ClangComponent).run(OS);
break;
case GenClangDiagGroups:
ClangDiagGroupsEmitter(Records).run(OS);
break;
case GenClangDiagsIndexName:
ClangDiagsIndexNameEmitter(Records).run(OS);
break;
case GenClangDeclNodes:
ClangASTNodesEmitter(Records, "Decl", "Decl").run(OS);
ClangDeclContextEmitter(Records).run(OS);
break;
case GenClangStmtNodes:
ClangASTNodesEmitter(Records, "Stmt", "").run(OS);
break;
case GenClangSACheckers:
ClangSACheckersEmitter(Records).run(OS);
break;
case GenDisassembler:
DisassemblerEmitter(Records).run(OS);
break;
case GenPseudoLowering:
PseudoLoweringEmitter(Records).run(OS);
break;
case GenOptParserDefs:
OptParserEmitter(Records, true).run(OS);
break;
case GenOptParserImpl:
OptParserEmitter(Records, false).run(OS);
break;
case GenDAGISel:
DAGISelEmitter(Records).run(OS);
break;
case GenFastISel:
FastISelEmitter(Records).run(OS);
break;
case GenSubtarget:
SubtargetEmitter(Records).run(OS);
break;
case GenIntrinsic:
IntrinsicEmitter(Records).run(OS);
break;
case GenTgtIntrinsic:
IntrinsicEmitter(Records, true).run(OS);
break;
case GenEDInfo:
EDEmitter(Records).run(OS);
break;
case GenArmNeon:
NeonEmitter(Records).run(OS);
break;
case GenArmNeonSema:
NeonEmitter(Records).runHeader(OS);
break;
case GenArmNeonTest:
NeonEmitter(Records).runTests(OS);
break;
case PrintEnums:
{
std::vector<Record*> Recs = Records.getAllDerivedDefinitions(Class);
for (unsigned i = 0, e = Recs.size(); i != e; ++i)
OS << Recs[i]->getName() << ", ";
OS << "\n";
break;
}
case PrintSets:
{
SetTheory Sets;
Sets.addFieldExpander("Set", "Elements");
std::vector<Record*> Recs = Records.getAllDerivedDefinitions("Set");
for (unsigned i = 0, e = Recs.size(); i != e; ++i) {
OS << Recs[i]->getName() << " = [";
const std::vector<Record*> *Elts = Sets.expand(Recs[i]);
assert(Elts && "Couldn't expand Set instance");
for (unsigned ei = 0, ee = Elts->size(); ei != ee; ++ei)
OS << ' ' << (*Elts)[ei]->getName();
OS << " ]\n";
}
break;
}
default:
assert(1 && "Invalid Action");
return true;
}
return false;
}
};
int main(int argc, char **argv) {
sys::PrintStackTraceOnErrorSignal();
PrettyStackTraceProgram X(argc, argv);
cl::ParseCommandLineOptions(argc, argv);
LLVMTableGenAction Action;
return TableGenMain(argv[0], Action);
}