Fixed a nasty layering violation in the edis source
[oota-llvm.git] / utils / TableGen / TableGen.cpp
index 4345234c275a45bc2d622821f7cf35eeac678ec8..1c66399ce8b9fcd56bcfee8ce6f19c12ede6bad8 100644 (file)
@@ -2,8 +2,8 @@
 //
 //                     The LLVM Compiler Infrastructure
 //
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 //
 //===----------------------------------------------------------------------===//
 
-#include "Record.h"
-#include "llvm/Support/CommandLine.h"
-#include "llvm/Support/Streams.h"
-#include "llvm/System/Signals.h"
-#include "llvm/Support/FileUtilities.h"
-#include "CodeEmitterGen.h"
-#include "RegisterInfoEmitter.h"
-#include "InstrInfoEmitter.h"
+#include "AsmMatcherEmitter.h"
 #include "AsmWriterEmitter.h"
+#include "CallingConvEmitter.h"
+#include "ClangDiagnosticsEmitter.h"
+#include "CodeEmitterGen.h"
 #include "DAGISelEmitter.h"
-#include "SubtargetEmitter.h"
+#include "DisassemblerEmitter.h"
+#include "EDEmitter.h"
+#include "FastISelEmitter.h"
+#include "InstrEnumEmitter.h"
+#include "InstrInfoEmitter.h"
 #include "IntrinsicEmitter.h"
+#include "LLVMCConfigurationEmitter.h"
+#include "OptParserEmitter.h"
+#include "Record.h"
+#include "RegisterInfoEmitter.h"
+#include "ARMDecoderEmitter.h"
+#include "SubtargetEmitter.h"
+#include "TGParser.h"
+#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/MemoryBuffer.h"
+#include "llvm/Support/PrettyStackTrace.h"
+#include "llvm/Support/raw_ostream.h"
+#include "llvm/System/Signals.h"
 #include <algorithm>
 #include <cstdio>
-#include <fstream>
-#include <ios>
 using namespace llvm;
 
 enum ActionType {
   PrintRecords,
   GenEmitter,
   GenRegisterEnums, GenRegister, GenRegisterHeader,
-  GenInstrEnums, GenInstrs, GenAsmWriter, 
+  GenInstrEnums, GenInstrs, GenAsmWriter, GenAsmMatcher,
+  GenARMDecoder,
+  GenDisassembler,
+  GenCallingConv,
+  GenClangDiagsDefs,
+  GenClangDiagGroups,
   GenDAGISel,
+  GenFastISel,
+  GenOptParserDefs, GenOptParserImpl,
   GenSubtarget,
   GenIntrinsic,
+  GenTgtIntrinsic,
+  GenLLVMCConf,
+  GenEDHeader, GenEDInfo,
   PrintEnums
 };
 
@@ -61,14 +81,40 @@ namespace {
                                "Generate enum values for instructions"),
                     clEnumValN(GenInstrs, "gen-instr-desc",
                                "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(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(GenClangDiagsDefs, "gen-clang-diags-defs",
+                               "Generate Clang diagnostics definitions"),
+                    clEnumValN(GenClangDiagGroups, "gen-clang-diag-groups",
+                               "Generate Clang diagnostic groups"),
+                    clEnumValN(GenLLVMCConf, "gen-llvmc",
+                               "Generate LLVMC configuration library"),
+                    clEnumValN(GenEDHeader, "gen-enhanced-disassembly-header",
+                               "Generate enhanced disassembly info header"),
+                    clEnumValN(GenEDInfo, "gen-enhanced-disassembly-info",
+                               "Generate enhanced disassembly info"),
                     clEnumValN(PrintEnums, "print-enums",
                                "Print enum values for a class"),
                     clEnumValEnd));
@@ -87,25 +133,68 @@ namespace {
   cl::list<std::string>
   IncludeDirs("I", cl::desc("Directory of include files"),
               cl::value_desc("directory"), cl::Prefix);
+  
+  cl::opt<std::string>
+  ClangComponent("clang-component",
+                 cl::desc("Only use warnings from specified component"),
+                 cl::value_desc("component"), cl::Hidden);
 }
 
-namespace llvm {
-  void ParseFile(const std::string &Filename,
-                 const std::vector<std::string> &IncludeDirs);
-}
 
+// FIXME: Eliminate globals from tblgen.
 RecordKeeper llvm::Records;
 
+static SourceMgr SrcMgr;
+
+void llvm::PrintError(SMLoc ErrorLoc, const std::string &Msg) {
+  SrcMgr.PrintMessage(ErrorLoc, Msg, "error");
+}
+
+
+
+/// ParseFile - this function begins the parsing of the specified tablegen
+/// file.
+static bool ParseFile(const std::string &Filename,
+                      const std::vector<std::string> &IncludeDirs,
+                      SourceMgr &SrcMgr) {
+  std::string ErrorStr;
+  MemoryBuffer *F = MemoryBuffer::getFileOrSTDIN(Filename.c_str(), &ErrorStr);
+  if (F == 0) {
+    errs() << "Could not open input file '" << Filename << "': " 
+           << ErrorStr <<"\n";
+    return true;
+  }
+  
+  // Tell SrcMgr about this buffer, which is what TGParser will pick up.
+  SrcMgr.AddNewSourceBuffer(F, SMLoc());
+
+  // Record the location of the include directory so that the lexer can find
+  // it later.
+  SrcMgr.setIncludeDirs(IncludeDirs);
+  
+  TGParser Parser(SrcMgr);
+
+  return Parser.ParseFile();
+}
+
 int main(int argc, char **argv) {
+  sys::PrintStackTraceOnErrorSignal();
+  PrettyStackTraceProgram X(argc, argv);
   cl::ParseCommandLineOptions(argc, argv);
-  ParseFile(InputFilename, IncludeDirs);
 
-  std::ostream *Out = cout.stream();
+  
+  // Parse the input file.
+  if (ParseFile(InputFilename, IncludeDirs, SrcMgr))
+    return 1;
+
+  raw_ostream *Out = &outs();
   if (OutputFilename != "-") {
-    Out = new std::ofstream(OutputFilename.c_str());
+    std::string Error;
+    Out = new raw_fd_ostream(OutputFilename.c_str(), Error);
 
-    if (!Out->good()) {
-      cerr << argv[0] << ": error opening " << OutputFilename << "!\n";
+    if (!Error.empty()) {
+      errs() << argv[0] << ": error opening " << OutputFilename 
+             << ":" << Error << "\n";
       return 1;
     }
 
@@ -131,27 +220,63 @@ int main(int argc, char **argv) {
     case GenRegisterHeader:
       RegisterInfoEmitter(Records).runHeader(*Out);
       break;
-
     case GenInstrEnums:
-      InstrInfoEmitter(Records).runEnums(*Out);
+      InstrEnumEmitter(Records).run(*Out);
       break;
     case GenInstrs:
       InstrInfoEmitter(Records).run(*Out);
       break;
-
+    case GenCallingConv:
+      CallingConvEmitter(Records).run(*Out);
+      break;
     case GenAsmWriter:
       AsmWriterEmitter(Records).run(*Out);
       break;
-
+    case GenARMDecoder:
+      ARMDecoderEmitter(Records).run(*Out);
+      break;
+    case GenAsmMatcher:
+      AsmMatcherEmitter(Records).run(*Out);
+      break;
+    case GenClangDiagsDefs:
+      ClangDiagsDefsEmitter(Records, ClangComponent).run(*Out);
+      break;
+    case GenClangDiagGroups:
+      ClangDiagGroupsEmitter(Records).run(*Out);
+      break;
+    case GenDisassembler:
+      DisassemblerEmitter(Records).run(*Out);
+      break;
+    case GenOptParserDefs:
+      OptParserEmitter(Records, true).run(*Out);
+      break;
+    case GenOptParserImpl:
+      OptParserEmitter(Records, false).run(*Out);
+      break;
     case GenDAGISel:
       DAGISelEmitter(Records).run(*Out);
       break;
+    case GenFastISel:
+      FastISelEmitter(Records).run(*Out);
+      break;
     case GenSubtarget:
       SubtargetEmitter(Records).run(*Out);
       break;
     case GenIntrinsic:
       IntrinsicEmitter(Records).run(*Out);
       break;
+    case GenTgtIntrinsic:
+      IntrinsicEmitter(Records, true).run(*Out);
+      break;
+    case GenLLVMCConf:
+      LLVMCConfigurationEmitter(Records).run(*Out);
+      break;
+    case GenEDHeader:
+      EDEmitter(Records).runHeader(*Out);
+      break;
+    case GenEDInfo:
+      EDEmitter(Records).run(*Out);
+      break;
     case PrintEnums:
     {
       std::vector<Record*> Recs = Records.getAllDerivedDefinitions(Class);
@@ -164,24 +289,26 @@ int main(int argc, char **argv) {
       assert(1 && "Invalid Action");
       return 1;
     }
+    
+    if (Out != &outs())
+      delete Out;                               // Close the file
+    return 0;
+    
+  } catch (const TGError &Error) {
+    errs() << argv[0] << ": error:\n";
+    PrintError(Error.getLoc(), Error.getMessage());
+    
   } catch (const std::string &Error) {
-    cerr << argv[0] << ": " << Error << "\n";
-    if (Out != cout.stream()) {
-      delete Out;                             // Close the file
-      std::remove(OutputFilename.c_str());    // Remove the file, it's broken
-    }
-    return 1;
+    errs() << argv[0] << ": " << Error << "\n";
+  } catch (const char *Error) {
+    errs() << argv[0] << ": " << Error << "\n";
   } catch (...) {
-    cerr << argv[0] << ": Unknown unexpected exception occurred.\n";
-    if (Out != cout.stream()) {
-      delete Out;                             // Close the file
-      std::remove(OutputFilename.c_str());    // Remove the file, it's broken
-    }
-    return 2;
+    errs() << argv[0] << ": Unknown unexpected exception occurred.\n";
   }
-
-  if (Out != cout.stream()) {
-    delete Out;                               // Close the file
+  
+  if (Out != &outs()) {
+    delete Out;                             // Close the file
+    std::remove(OutputFilename.c_str());    // Remove the file, it's broken
   }
-  return 0;
+  return 1;
 }