2003-10-06 03:27:59 +08:00
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//===- TableGen.cpp - Top-Level TableGen implementation -------------------===//
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2005-04-22 08:00:37 +08:00
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//
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2003-10-21 04:20:30 +08:00
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// The LLVM Compiler Infrastructure
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//
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2007-12-30 04:37:13 +08:00
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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2005-04-22 08:00:37 +08:00
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//
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2003-10-21 04:20:30 +08:00
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//===----------------------------------------------------------------------===//
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2003-10-06 03:27:59 +08:00
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//
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// TableGen is a tool which can be used to build up a description of something,
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// then invoke one or more "tablegen backends" to emit information about the
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// description in some predefined format. In practice, this is used by the LLVM
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// code generators to automate generation of a code generator through a
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// high-level description of the target.
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//
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//===----------------------------------------------------------------------===//
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2009-11-19 05:29:51 +08:00
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#include "AsmMatcherEmitter.h"
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#include "AsmWriterEmitter.h"
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2007-02-28 06:08:27 +08:00
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#include "CallingConvEmitter.h"
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2009-11-19 05:29:51 +08:00
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#include "ClangDiagnosticsEmitter.h"
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2003-10-06 03:27:59 +08:00
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#include "CodeEmitterGen.h"
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2005-09-03 09:14:03 +08:00
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#include "DAGISelEmitter.h"
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2009-11-25 10:13:23 +08:00
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#include "DisassemblerEmitter.h"
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2010-01-29 08:21:04 +08:00
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#include "EDEmitter.h"
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2008-08-14 04:19:35 +08:00
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#include "FastISelEmitter.h"
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2009-11-19 05:29:51 +08:00
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#include "InstrEnumEmitter.h"
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#include "InstrInfoEmitter.h"
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2006-03-03 10:32:46 +08:00
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#include "IntrinsicEmitter.h"
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2008-05-07 02:09:29 +08:00
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#include "LLVMCConfigurationEmitter.h"
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2009-11-19 05:29:51 +08:00
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#include "OptParserEmitter.h"
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#include "Record.h"
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#include "RegisterInfoEmitter.h"
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2010-04-03 06:27:38 +08:00
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#include "ARMDecoderEmitter.h"
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2009-11-19 05:29:51 +08:00
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#include "SubtargetEmitter.h"
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#include "TGParser.h"
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2009-07-09 02:44:05 +08:00
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#include "llvm/Support/CommandLine.h"
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#include "llvm/Support/MemoryBuffer.h"
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#include "llvm/Support/PrettyStackTrace.h"
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#include "llvm/Support/raw_ostream.h"
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#include "llvm/System/Signals.h"
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2003-10-06 03:27:59 +08:00
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#include <algorithm>
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#include <cstdio>
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2004-08-01 11:55:39 +08:00
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using namespace llvm;
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2003-11-12 06:41:34 +08:00
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2003-10-06 03:27:59 +08:00
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enum ActionType {
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PrintRecords,
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GenEmitter,
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GenRegisterEnums, GenRegister, GenRegisterHeader,
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2009-07-12 03:39:44 +08:00
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GenInstrEnums, GenInstrs, GenAsmWriter, GenAsmMatcher,
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2010-04-03 06:27:38 +08:00
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GenARMDecoder,
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2009-11-25 10:13:23 +08:00
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GenDisassembler,
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2007-02-28 06:08:27 +08:00
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GenCallingConv,
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2009-03-14 06:21:17 +08:00
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GenClangDiagsDefs,
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2009-04-16 04:02:32 +08:00
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GenClangDiagGroups,
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2005-09-03 09:14:03 +08:00
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GenDAGISel,
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2008-08-14 04:19:35 +08:00
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GenFastISel,
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2009-11-19 05:29:51 +08:00
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GenOptParserDefs, GenOptParserImpl,
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2005-10-22 03:05:19 +08:00
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GenSubtarget,
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2006-03-03 10:32:46 +08:00
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GenIntrinsic,
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2009-02-05 09:49:45 +08:00
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GenTgtIntrinsic,
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2008-05-07 02:12:03 +08:00
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GenLLVMCConf,
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2010-01-29 08:21:04 +08:00
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GenEDHeader, GenEDInfo,
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2006-03-03 10:34:28 +08:00
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PrintEnums
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2003-10-06 03:27:59 +08:00
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};
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namespace {
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cl::opt<ActionType>
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Action(cl::desc("Action to perform:"),
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cl::values(clEnumValN(PrintRecords, "print-records",
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"Print all records to stdout (default)"),
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clEnumValN(GenEmitter, "gen-emitter",
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"Generate machine code emitter"),
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clEnumValN(GenRegisterEnums, "gen-register-enums",
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"Generate enum values for registers"),
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clEnumValN(GenRegister, "gen-register-desc",
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"Generate a register info description"),
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clEnumValN(GenRegisterHeader, "gen-register-desc-header",
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"Generate a register info description header"),
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clEnumValN(GenInstrEnums, "gen-instr-enums",
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"Generate enum values for instructions"),
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clEnumValN(GenInstrs, "gen-instr-desc",
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"Generate instruction descriptions"),
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2007-02-28 06:08:27 +08:00
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clEnumValN(GenCallingConv, "gen-callingconv",
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"Generate calling convention descriptions"),
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2004-08-01 13:59:33 +08:00
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clEnumValN(GenAsmWriter, "gen-asm-writer",
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"Generate assembly writer"),
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2010-04-03 06:27:38 +08:00
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clEnumValN(GenARMDecoder, "gen-arm-decoder",
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"Generate decoders for ARM/Thumb"),
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2009-11-25 10:13:23 +08:00
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clEnumValN(GenDisassembler, "gen-disassembler",
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"Generate disassembler"),
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2009-07-12 03:39:44 +08:00
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clEnumValN(GenAsmMatcher, "gen-asm-matcher",
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"Generate assembly instruction matcher"),
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2005-09-03 09:14:03 +08:00
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clEnumValN(GenDAGISel, "gen-dag-isel",
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"Generate a DAG instruction selector"),
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2008-08-14 04:19:35 +08:00
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clEnumValN(GenFastISel, "gen-fast-isel",
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"Generate a \"fast\" instruction selector"),
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2009-11-19 05:29:51 +08:00
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clEnumValN(GenOptParserDefs, "gen-opt-parser-defs",
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"Generate option definitions"),
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clEnumValN(GenOptParserImpl, "gen-opt-parser-impl",
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"Generate option parser implementation"),
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2005-10-22 03:05:19 +08:00
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clEnumValN(GenSubtarget, "gen-subtarget",
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"Generate subtarget enumerations"),
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2006-03-03 10:32:46 +08:00
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clEnumValN(GenIntrinsic, "gen-intrinsic",
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"Generate intrinsic information"),
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2009-02-05 09:49:45 +08:00
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clEnumValN(GenTgtIntrinsic, "gen-tgt-intrinsic",
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"Generate target intrinsic information"),
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2009-03-14 06:21:17 +08:00
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clEnumValN(GenClangDiagsDefs, "gen-clang-diags-defs",
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"Generate Clang diagnostics definitions"),
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2009-04-16 04:02:32 +08:00
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clEnumValN(GenClangDiagGroups, "gen-clang-diag-groups",
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"Generate Clang diagnostic groups"),
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2008-05-07 02:12:03 +08:00
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clEnumValN(GenLLVMCConf, "gen-llvmc",
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"Generate LLVMC configuration library"),
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2010-01-29 08:21:04 +08:00
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clEnumValN(GenEDHeader, "gen-enhanced-disassembly-header",
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"Generate enhanced disassembly info header"),
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clEnumValN(GenEDInfo, "gen-enhanced-disassembly-info",
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"Generate enhanced disassembly info"),
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2003-10-06 03:27:59 +08:00
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clEnumValN(PrintEnums, "print-enums",
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"Print enum values for a class"),
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2004-07-16 08:02:21 +08:00
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clEnumValEnd));
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2003-10-06 03:27:59 +08:00
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cl::opt<std::string>
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Class("class", cl::desc("Print Enum list for this class"),
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cl::value_desc("class name"));
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cl::opt<std::string>
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OutputFilename("o", cl::desc("Output filename"), cl::value_desc("filename"),
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cl::init("-"));
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cl::opt<std::string>
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InputFilename(cl::Positional, cl::desc("<input file>"), cl::init("-"));
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2006-03-03 09:47:14 +08:00
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cl::list<std::string>
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IncludeDirs("I", cl::desc("Directory of include files"),
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2006-03-03 09:53:40 +08:00
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cl::value_desc("directory"), cl::Prefix);
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2009-03-14 06:53:41 +08:00
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cl::opt<std::string>
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ClangComponent("clang-component",
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cl::desc("Only use warnings from specified component"),
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cl::value_desc("component"), cl::Hidden);
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2003-10-06 03:27:59 +08:00
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}
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2009-03-14 00:09:24 +08:00
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// FIXME: Eliminate globals from tblgen.
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2004-08-01 11:55:39 +08:00
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RecordKeeper llvm::Records;
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2003-10-06 03:27:59 +08:00
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2009-06-21 11:41:50 +08:00
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static SourceMgr SrcMgr;
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2009-03-14 00:09:24 +08:00
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2009-06-21 11:39:35 +08:00
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void llvm::PrintError(SMLoc ErrorLoc, const std::string &Msg) {
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2009-06-30 08:49:23 +08:00
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SrcMgr.PrintMessage(ErrorLoc, Msg, "error");
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2009-03-14 00:09:24 +08:00
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}
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2007-11-23 04:49:04 +08:00
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/// ParseFile - this function begins the parsing of the specified tablegen
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/// file.
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2008-05-07 02:09:29 +08:00
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static bool ParseFile(const std::string &Filename,
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2009-03-13 15:05:43 +08:00
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const std::vector<std::string> &IncludeDirs,
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2009-06-21 11:41:50 +08:00
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SourceMgr &SrcMgr) {
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2007-11-23 04:49:04 +08:00
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std::string ErrorStr;
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2008-04-02 02:04:03 +08:00
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MemoryBuffer *F = MemoryBuffer::getFileOrSTDIN(Filename.c_str(), &ErrorStr);
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2007-11-23 04:49:04 +08:00
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if (F == 0) {
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2009-07-09 02:44:05 +08:00
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errs() << "Could not open input file '" << Filename << "': "
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2009-07-03 08:10:29 +08:00
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<< ErrorStr <<"\n";
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2007-11-23 04:49:04 +08:00
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return true;
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}
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2009-03-13 15:05:43 +08:00
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// Tell SrcMgr about this buffer, which is what TGParser will pick up.
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2009-06-21 11:39:35 +08:00
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SrcMgr.AddNewSourceBuffer(F, SMLoc());
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2008-05-07 02:09:29 +08:00
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2007-11-23 04:49:04 +08:00
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// Record the location of the include directory so that the lexer can find
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// it later.
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2009-06-21 13:06:04 +08:00
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SrcMgr.setIncludeDirs(IncludeDirs);
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TGParser Parser(SrcMgr);
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2008-05-07 02:09:29 +08:00
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2007-11-23 04:49:04 +08:00
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return Parser.ParseFile();
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}
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2003-10-06 03:27:59 +08:00
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int main(int argc, char **argv) {
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2009-03-06 13:34:10 +08:00
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sys::PrintStackTraceOnErrorSignal();
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PrettyStackTraceProgram X(argc, argv);
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2003-10-06 03:27:59 +08:00
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cl::ParseCommandLineOptions(argc, argv);
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2007-11-23 04:49:04 +08:00
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2009-03-13 15:05:43 +08:00
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2007-11-23 04:49:04 +08:00
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// Parse the input file.
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2009-03-13 15:05:43 +08:00
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if (ParseFile(InputFilename, IncludeDirs, SrcMgr))
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2007-11-23 04:49:04 +08:00
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return 1;
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2003-10-06 03:27:59 +08:00
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2009-07-03 08:10:29 +08:00
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raw_ostream *Out = &outs();
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2003-10-06 03:27:59 +08:00
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if (OutputFilename != "-") {
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2009-07-03 08:10:29 +08:00
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std::string Error;
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2009-08-25 23:34:52 +08:00
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Out = new raw_fd_ostream(OutputFilename.c_str(), Error);
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2003-10-06 03:27:59 +08:00
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2009-07-03 08:10:29 +08:00
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if (!Error.empty()) {
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errs() << argv[0] << ": error opening " << OutputFilename
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<< ":" << Error << "\n";
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2003-10-06 03:27:59 +08:00
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return 1;
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}
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// Make sure the file gets removed if *gasp* tablegen crashes...
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2004-11-15 06:30:54 +08:00
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sys::RemoveFileOnSignal(sys::Path(OutputFilename));
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2003-10-06 03:27:59 +08:00
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}
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try {
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switch (Action) {
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case PrintRecords:
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*Out << Records; // No argument, dump all contents
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break;
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case GenEmitter:
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CodeEmitterGen(Records).run(*Out);
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break;
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case GenRegisterEnums:
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RegisterInfoEmitter(Records).runEnums(*Out);
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break;
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case GenRegister:
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RegisterInfoEmitter(Records).run(*Out);
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break;
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case GenRegisterHeader:
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RegisterInfoEmitter(Records).runHeader(*Out);
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break;
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case GenInstrEnums:
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2008-01-06 08:49:05 +08:00
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InstrEnumEmitter(Records).run(*Out);
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2003-10-06 03:27:59 +08:00
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break;
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case GenInstrs:
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InstrInfoEmitter(Records).run(*Out);
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break;
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2007-02-28 06:08:27 +08:00
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case GenCallingConv:
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CallingConvEmitter(Records).run(*Out);
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break;
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2004-08-01 13:59:33 +08:00
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case GenAsmWriter:
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AsmWriterEmitter(Records).run(*Out);
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break;
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2010-04-03 06:27:38 +08:00
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case GenARMDecoder:
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ARMDecoderEmitter(Records).run(*Out);
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|
break;
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2009-07-12 03:39:44 +08:00
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case GenAsmMatcher:
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AsmMatcherEmitter(Records).run(*Out);
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break;
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2009-03-14 06:21:17 +08:00
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case GenClangDiagsDefs:
|
2009-03-14 06:53:41 +08:00
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ClangDiagsDefsEmitter(Records, ClangComponent).run(*Out);
|
2009-03-14 06:21:17 +08:00
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break;
|
2009-04-16 04:02:32 +08:00
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case GenClangDiagGroups:
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ClangDiagGroupsEmitter(Records).run(*Out);
|
2009-11-19 05:29:51 +08:00
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break;
|
2009-11-25 10:13:23 +08:00
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case GenDisassembler:
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DisassemblerEmitter(Records).run(*Out);
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|
break;
|
2009-11-19 05:29:51 +08:00
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case GenOptParserDefs:
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OptParserEmitter(Records, true).run(*Out);
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|
break;
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case GenOptParserImpl:
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OptParserEmitter(Records, false).run(*Out);
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|
break;
|
2005-09-03 09:14:03 +08:00
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case GenDAGISel:
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DAGISelEmitter(Records).run(*Out);
|
2005-10-22 03:05:19 +08:00
|
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|
break;
|
2008-08-14 04:19:35 +08:00
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case GenFastISel:
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FastISelEmitter(Records).run(*Out);
|
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|
break;
|
2005-10-22 03:05:19 +08:00
|
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|
case GenSubtarget:
|
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|
|
SubtargetEmitter(Records).run(*Out);
|
2006-03-03 10:32:46 +08:00
|
|
|
break;
|
|
|
|
case GenIntrinsic:
|
|
|
|
IntrinsicEmitter(Records).run(*Out);
|
2008-03-23 16:57:20 +08:00
|
|
|
break;
|
2009-02-05 09:49:45 +08:00
|
|
|
case GenTgtIntrinsic:
|
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|
IntrinsicEmitter(Records, true).run(*Out);
|
|
|
|
break;
|
2008-05-07 02:12:03 +08:00
|
|
|
case GenLLVMCConf:
|
|
|
|
LLVMCConfigurationEmitter(Records).run(*Out);
|
2010-01-29 08:21:04 +08:00
|
|
|
break;
|
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|
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case GenEDHeader:
|
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|
|
EDEmitter(Records).runHeader(*Out);
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|
break;
|
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case GenEDInfo:
|
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|
|
EDEmitter(Records).run(*Out);
|
2003-10-06 03:27:59 +08:00
|
|
|
break;
|
|
|
|
case PrintEnums:
|
2003-11-12 06:41:34 +08:00
|
|
|
{
|
2003-10-06 03:27:59 +08:00
|
|
|
std::vector<Record*> Recs = Records.getAllDerivedDefinitions(Class);
|
|
|
|
for (unsigned i = 0, e = Recs.size(); i != e; ++i)
|
2004-02-06 11:19:17 +08:00
|
|
|
*Out << Recs[i]->getName() << ", ";
|
2003-10-06 03:27:59 +08:00
|
|
|
*Out << "\n";
|
|
|
|
break;
|
|
|
|
}
|
2003-11-12 06:41:34 +08:00
|
|
|
default:
|
|
|
|
assert(1 && "Invalid Action");
|
|
|
|
return 1;
|
|
|
|
}
|
2009-03-14 00:25:21 +08:00
|
|
|
|
2009-07-03 08:10:29 +08:00
|
|
|
if (Out != &outs())
|
2009-03-14 00:25:21 +08:00
|
|
|
delete Out; // Close the file
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
} catch (const TGError &Error) {
|
2009-07-03 08:10:29 +08:00
|
|
|
errs() << argv[0] << ": error:\n";
|
2009-03-14 00:25:21 +08:00
|
|
|
PrintError(Error.getLoc(), Error.getMessage());
|
|
|
|
|
2003-10-06 03:27:59 +08:00
|
|
|
} catch (const std::string &Error) {
|
2009-07-03 08:10:29 +08:00
|
|
|
errs() << argv[0] << ": " << Error << "\n";
|
2008-11-08 05:01:13 +08:00
|
|
|
} catch (const char *Error) {
|
2009-07-03 08:10:29 +08:00
|
|
|
errs() << argv[0] << ": " << Error << "\n";
|
2004-09-04 07:17:54 +08:00
|
|
|
} catch (...) {
|
2009-07-03 08:10:29 +08:00
|
|
|
errs() << argv[0] << ": Unknown unexpected exception occurred.\n";
|
2003-10-06 03:27:59 +08:00
|
|
|
}
|
2009-03-14 00:25:21 +08:00
|
|
|
|
2009-07-03 08:10:29 +08:00
|
|
|
if (Out != &outs()) {
|
2009-03-14 00:25:21 +08:00
|
|
|
delete Out; // Close the file
|
|
|
|
std::remove(OutputFilename.c_str()); // Remove the file, it's broken
|
2003-10-06 03:27:59 +08:00
|
|
|
}
|
2009-03-14 00:25:21 +08:00
|
|
|
return 1;
|
2003-10-06 03:27:59 +08:00
|
|
|
}
|