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TableGen.cpp (194612) TableGen.cpp (195340)
1//===- TableGen.cpp - Top-Level TableGen implementation -------------------===//
2//
3// The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//

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13// code generators to automate generation of a code generator through a
14// high-level description of the target.
15//
16//===----------------------------------------------------------------------===//
17
18#include "Record.h"
19#include "TGParser.h"
20#include "llvm/Support/CommandLine.h"
1//===- TableGen.cpp - Top-Level TableGen implementation -------------------===//
2//
3// The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//

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13// code generators to automate generation of a code generator through a
14// high-level description of the target.
15//
16//===----------------------------------------------------------------------===//
17
18#include "Record.h"
19#include "TGParser.h"
20#include "llvm/Support/CommandLine.h"
21#include "llvm/Support/Streams.h"
22#include "llvm/System/Signals.h"
23#include "llvm/Support/FileUtilities.h"
24#include "llvm/Support/MemoryBuffer.h"
25#include "llvm/Support/PrettyStackTrace.h"
21#include "llvm/System/Signals.h"
22#include "llvm/Support/FileUtilities.h"
23#include "llvm/Support/MemoryBuffer.h"
24#include "llvm/Support/PrettyStackTrace.h"
25#include "llvm/Support/raw_ostream.h"
26#include "CallingConvEmitter.h"
27#include "CodeEmitterGen.h"
28#include "RegisterInfoEmitter.h"
29#include "InstrInfoEmitter.h"
30#include "InstrEnumEmitter.h"
31#include "AsmWriterEmitter.h"
32#include "DAGISelEmitter.h"
33#include "FastISelEmitter.h"
34#include "SubtargetEmitter.h"
35#include "IntrinsicEmitter.h"
36#include "LLVMCConfigurationEmitter.h"
37#include "ClangDiagnosticsEmitter.h"
38#include <algorithm>
39#include <cstdio>
26#include "CallingConvEmitter.h"
27#include "CodeEmitterGen.h"
28#include "RegisterInfoEmitter.h"
29#include "InstrInfoEmitter.h"
30#include "InstrEnumEmitter.h"
31#include "AsmWriterEmitter.h"
32#include "DAGISelEmitter.h"
33#include "FastISelEmitter.h"
34#include "SubtargetEmitter.h"
35#include "IntrinsicEmitter.h"
36#include "LLVMCConfigurationEmitter.h"
37#include "ClangDiagnosticsEmitter.h"
38#include <algorithm>
39#include <cstdio>
40#include <fstream>
41#include <ios>
42using namespace llvm;
43
44enum ActionType {
45 PrintRecords,
46 GenEmitter,
47 GenRegisterEnums, GenRegister, GenRegisterHeader,
48 GenInstrEnums, GenInstrs, GenAsmWriter,
49 GenCallingConv,

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122
123
124// FIXME: Eliminate globals from tblgen.
125RecordKeeper llvm::Records;
126
127static SourceMgr SrcMgr;
128
129void llvm::PrintError(SMLoc ErrorLoc, const std::string &Msg) {
40using namespace llvm;
41
42enum ActionType {
43 PrintRecords,
44 GenEmitter,
45 GenRegisterEnums, GenRegister, GenRegisterHeader,
46 GenInstrEnums, GenInstrs, GenAsmWriter,
47 GenCallingConv,

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120
121
122// FIXME: Eliminate globals from tblgen.
123RecordKeeper llvm::Records;
124
125static SourceMgr SrcMgr;
126
127void llvm::PrintError(SMLoc ErrorLoc, const std::string &Msg) {
130 SrcMgr.PrintMessage(ErrorLoc, Msg);
128 SrcMgr.PrintMessage(ErrorLoc, Msg, "error");
131}
132
133
134
135/// ParseFile - this function begins the parsing of the specified tablegen
136/// file.
137static bool ParseFile(const std::string &Filename,
138 const std::vector<std::string> &IncludeDirs,
139 SourceMgr &SrcMgr) {
140 std::string ErrorStr;
141 MemoryBuffer *F = MemoryBuffer::getFileOrSTDIN(Filename.c_str(), &ErrorStr);
142 if (F == 0) {
129}
130
131
132
133/// ParseFile - this function begins the parsing of the specified tablegen
134/// file.
135static bool ParseFile(const std::string &Filename,
136 const std::vector<std::string> &IncludeDirs,
137 SourceMgr &SrcMgr) {
138 std::string ErrorStr;
139 MemoryBuffer *F = MemoryBuffer::getFileOrSTDIN(Filename.c_str(), &ErrorStr);
140 if (F == 0) {
143 cerr << "Could not open input file '" + Filename + "': " << ErrorStr <<"\n";
141 errs() << "Could not open input file '" + Filename + "': "
142 << ErrorStr <<"\n";
144 return true;
145 }
146
147 // Tell SrcMgr about this buffer, which is what TGParser will pick up.
148 SrcMgr.AddNewSourceBuffer(F, SMLoc());
149
150 // Record the location of the include directory so that the lexer can find
151 // it later.

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161 PrettyStackTraceProgram X(argc, argv);
162 cl::ParseCommandLineOptions(argc, argv);
163
164
165 // Parse the input file.
166 if (ParseFile(InputFilename, IncludeDirs, SrcMgr))
167 return 1;
168
143 return true;
144 }
145
146 // Tell SrcMgr about this buffer, which is what TGParser will pick up.
147 SrcMgr.AddNewSourceBuffer(F, SMLoc());
148
149 // Record the location of the include directory so that the lexer can find
150 // it later.

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160 PrettyStackTraceProgram X(argc, argv);
161 cl::ParseCommandLineOptions(argc, argv);
162
163
164 // Parse the input file.
165 if (ParseFile(InputFilename, IncludeDirs, SrcMgr))
166 return 1;
167
169 std::ostream *Out = cout.stream();
168 raw_ostream *Out = &outs();
170 if (OutputFilename != "-") {
169 if (OutputFilename != "-") {
171 Out = new std::ofstream(OutputFilename.c_str());
170 std::string Error;
171 Out = new raw_fd_ostream(OutputFilename.c_str(), false, Error);
172
172
173 if (!Out->good()) {
174 cerr << argv[0] << ": error opening " << OutputFilename << "!\n";
173 if (!Error.empty()) {
174 errs() << argv[0] << ": error opening " << OutputFilename
175 << ":" << Error << "\n";
175 return 1;
176 }
177
178 // Make sure the file gets removed if *gasp* tablegen crashes...
179 sys::RemoveFileOnSignal(sys::Path(OutputFilename));
180 }
181
182 try {

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241 *Out << "\n";
242 break;
243 }
244 default:
245 assert(1 && "Invalid Action");
246 return 1;
247 }
248
176 return 1;
177 }
178
179 // Make sure the file gets removed if *gasp* tablegen crashes...
180 sys::RemoveFileOnSignal(sys::Path(OutputFilename));
181 }
182
183 try {

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242 *Out << "\n";
243 break;
244 }
245 default:
246 assert(1 && "Invalid Action");
247 return 1;
248 }
249
249 if (Out != cout.stream())
250 if (Out != &outs())
250 delete Out; // Close the file
251 return 0;
252
253 } catch (const TGError &Error) {
251 delete Out; // Close the file
252 return 0;
253
254 } catch (const TGError &Error) {
254 cerr << argv[0] << ": error:\n";
255 errs() << argv[0] << ": error:\n";
255 PrintError(Error.getLoc(), Error.getMessage());
256
257 } catch (const std::string &Error) {
256 PrintError(Error.getLoc(), Error.getMessage());
257
258 } catch (const std::string &Error) {
258 cerr << argv[0] << ": " << Error << "\n";
259 errs() << argv[0] << ": " << Error << "\n";
259 } catch (const char *Error) {
260 } catch (const char *Error) {
260 cerr << argv[0] << ": " << Error << "\n";
261 errs() << argv[0] << ": " << Error << "\n";
261 } catch (...) {
262 } catch (...) {
262 cerr << argv[0] << ": Unknown unexpected exception occurred.\n";
263 errs() << argv[0] << ": Unknown unexpected exception occurred.\n";
263 }
264
264 }
265
265 if (Out != cout.stream()) {
266 if (Out != &outs()) {
266 delete Out; // Close the file
267 std::remove(OutputFilename.c_str()); // Remove the file, it's broken
268 }
269 return 1;
270}
267 delete Out; // Close the file
268 std::remove(OutputFilename.c_str()); // Remove the file, it's broken
269 }
270 return 1;
271}