[llvm-commits] [llvm] r106174 - in /llvm/trunk/utils/TableGen: ClangAttrEmitter.cpp ClangAttrEmitter.h TableGen.cpp

[Sean Hunt]

Author: coppro
Date: Wed Jun 16 18:45:50 2010
New Revision: 106174

URL: http://llvm.org/viewvc/llvm-project?rev=106174&view=rev
Log:
Add preliminary clang attribute generation support.

The attribute class generation support is still somewhat limited.
See the accompanying clang commit for more details.

Added:
    llvm/trunk/utils/TableGen/ClangAttrEmitter.cpp
    llvm/trunk/utils/TableGen/ClangAttrEmitter.h
Modified:
    llvm/trunk/utils/TableGen/TableGen.cpp

Added: llvm/trunk/utils/TableGen/ClangAttrEmitter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/utils/TableGen/ClangAttrEmitter.cpp?rev=106174&view=auto
==============================================================================
--- llvm/trunk/utils/TableGen/ClangAttrEmitter.cpp (added)
+++ llvm/trunk/utils/TableGen/ClangAttrEmitter.cpp Wed Jun 16 18:45:50 2010
@@ -0,0 +1,85 @@
+//===- ClangAttrEmitter.cpp - Generate Clang attribute handling =-*- C++ -*--=//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// These tablegen backends emit Clang attribute processing code
+//
+//===----------------------------------------------------------------------===//
+
+#include "ClangAttrEmitter.h"
+#include "Record.h"
+#include <algorithm>
+
+using namespace llvm;
+
+void ClangAttrClassEmitter::run(raw_ostream &OS) {
+  OS << "// This file is generated by TableGen. Do not edit.\n\n";
+  OS << "#ifndef LLVM_CLANG_ATTR_CLASSES_INC\n";
+  OS << "#define LLVM_CLANG_ATTR_CLASSES_INC\n\n";
+
+  std::vector<Record*> Attrs = Records.getAllDerivedDefinitions("Attr");
+
+  for (std::vector<Record*>::iterator i = Attrs.begin(), e = Attrs.end();
+       i != e; ++i) {
+    Record &R = **i;
+
+    if (R.getValueAsBit("DoNotEmit"))
+      continue;
+
+    OS << "class " << R.getName() << "Attr : public Attr {\n";
+
+    std::vector<Record*> Args = R.getValueAsListOfDefs("Args");
+    std::vector<Record*>::iterator ai, ae = Args.end();
+
+    // FIXME: Handle arguments
+    assert(Args.empty() && "Can't yet handle arguments");
+
+    OS << "\n public:\n";
+    OS << "  " << R.getName() << "Attr(";
+    
+    // Arguments go here
+    
+    OS << ")\n";
+    OS << "    : Attr(attr::" << R.getName() << ")";
+
+    // Arguments go here
+    
+    OS << " {}\n\n";
+
+    OS << "  virtual Attr *clone (ASTContext &C) const;\n";
+    OS << "  static bool classof(const Attr *A) { return A->getKind() == "
+       << "attr::" << R.getName() << "; }\n";
+    OS << "  static bool classof(const " << R.getName()
+       << "Attr *) { return true; }\n";
+    OS << "};\n\n";
+  }
+
+  OS << "#endif\n";
+}
+
+void ClangAttrListEmitter::run(raw_ostream &OS) {
+  OS << "// This file is generated by TableGen. Do not edit.\n\n";
+
+  OS << "#ifndef LAST_ATTR\n";
+  OS << "#define LAST_ATTR(NAME) ATTR(NAME)\n";
+  OS << "#endif\n\n";
+   
+  std::vector<Record*> Attrs = Records.getAllDerivedDefinitions("Attr");
+  std::vector<Record*>::iterator i = Attrs.begin(), e = Attrs.end();
+
+  if (i != e) {
+    // Move the end iterator back to emit the last attribute.
+    for(--e; i != e; ++i)
+      OS << "ATTR(" << (*i)->getName() << ")\n";
+    
+    OS << "LAST_ATTR(" << (*i)->getName() << ")\n\n";
+  }
+
+  OS << "#undef LAST_ATTR\n";
+  OS << "#undef ATTR\n";
+}

Added: llvm/trunk/utils/TableGen/ClangAttrEmitter.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/utils/TableGen/ClangAttrEmitter.h?rev=106174&view=auto
==============================================================================
--- llvm/trunk/utils/TableGen/ClangAttrEmitter.h (added)
+++ llvm/trunk/utils/TableGen/ClangAttrEmitter.h Wed Jun 16 18:45:50 2010
@@ -0,0 +1,49 @@
+//===- ClangAttrEmitter.h - Generate Clang attribute handling =-*- C++ -*--===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// These tablegen backends emit Clang attribute processing code
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef CLANGATTR_EMITTER_H
+#define CLANGATTR_EMITTER_H
+
+#include "TableGenBackend.h"
+
+namespace llvm {
+
+/// ClangAttrClassEmitter - class emits the class defintions for attributes for
+///   clang.
+class ClangAttrClassEmitter : public TableGenBackend {
+  RecordKeeper &Records;
+ 
+ public:
+  explicit ClangAttrClassEmitter(RecordKeeper &R)
+    : Records(R)
+    {}
+
+  void run(raw_ostream &OS);
+};
+
+/// ClangAttrListEmitter - class emits the enumeration list for attributes for
+///   clang.
+class ClangAttrListEmitter : public TableGenBackend {
+  RecordKeeper &Records;
+
+ public:
+  explicit ClangAttrListEmitter(RecordKeeper &R)
+    : Records(R)
+    {}
+
+  void run(raw_ostream &OS);
+};
+
+}
+
+#endif

Modified: llvm/trunk/utils/TableGen/TableGen.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/utils/TableGen/TableGen.cpp?rev=106174&r1=106173&r2=106174&view=diff
==============================================================================
--- llvm/trunk/utils/TableGen/TableGen.cpp (original)
+++ llvm/trunk/utils/TableGen/TableGen.cpp Wed Jun 16 18:45:50 2010
@@ -19,6 +19,7 @@
 #include "AsmWriterEmitter.h"
 #include "CallingConvEmitter.h"
 #include "ClangASTNodesEmitter.h"
+#include "ClangAttrEmitter.h"
 #include "ClangDiagnosticsEmitter.h"
 #include "CodeEmitterGen.h"
 #include "DAGISelEmitter.h"
@@ -53,6 +54,8 @@
   GenARMDecoder,
   GenDisassembler,
   GenCallingConv,
+  GenClangAttrClasses,
+  GenClangAttrList,
   GenClangDiagsDefs,
   GenClangDiagGroups,
   GenClangDeclNodes,
@@ -111,6 +114,10 @@
                                "Generate intrinsic information"),
                     clEnumValN(GenTgtIntrinsic, "gen-tgt-intrinsic",
                                "Generate target intrinsic information"),
+                    clEnumValN(GenClangAttrClasses, "gen-clang-attr-classes",
+                               "Generate clang attribute clases"),
+                    clEnumValN(GenClangAttrList, "gen-clang-attr-list",
+                               "Generate a clang attribute list"),
                     clEnumValN(GenClangDiagsDefs, "gen-clang-diags-defs",
                                "Generate Clang diagnostics definitions"),
                     clEnumValN(GenClangDiagGroups, "gen-clang-diag-groups",
@@ -248,6 +255,12 @@
     case GenAsmMatcher:
       AsmMatcherEmitter(Records).run(Out);
       break;
+    case GenClangAttrClasses:
+      ClangAttrClassEmitter(Records).run(Out);
+      break;
+    case GenClangAttrList:
+      ClangAttrListEmitter(Records).run(Out);
+      break;
     case GenClangDiagsDefs:
       ClangDiagsDefsEmitter(Records, ClangComponent).run(Out);
       break;