[llvm-commits] [llvm] r66971 - in /llvm/trunk/utils/TableGen: CMakeLists.txt ClangDiagnosticsEmitter.cpp ClangDiagnosticsEmitter.h TableGen.cpp
Ted Kremenek
kremenek at apple.com
Fri Mar 13 15:21:17 PDT 2009
Author: kremenek
Date: Fri Mar 13 17:21:17 2009
New Revision: 66971
URL: http://llvm.org/viewvc/llvm-project?rev=66971&view=rev
Log:
Add initial implementation of a TableGen backend for converting Clang-warnings
tablegen files to the original .def preprocessor include files. This is my first
TableGen backend; I don't claim that it is awesome.
Added:
llvm/trunk/utils/TableGen/ClangDiagnosticsEmitter.cpp
llvm/trunk/utils/TableGen/ClangDiagnosticsEmitter.h
Modified:
llvm/trunk/utils/TableGen/CMakeLists.txt
llvm/trunk/utils/TableGen/TableGen.cpp
Modified: llvm/trunk/utils/TableGen/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/utils/TableGen/CMakeLists.txt?rev=66971&r1=66970&r2=66971&view=diff
==============================================================================
--- llvm/trunk/utils/TableGen/CMakeLists.txt (original)
+++ llvm/trunk/utils/TableGen/CMakeLists.txt Fri Mar 13 17:21:17 2009
@@ -19,6 +19,7 @@
TableGen.cpp
TableGenBackend.cpp
FastISelEmitter.cpp
+ ClangDiagnosticsEmitter.cpp
)
target_link_libraries(tblgen LLVMSupport LLVMSystem)
Added: llvm/trunk/utils/TableGen/ClangDiagnosticsEmitter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/utils/TableGen/ClangDiagnosticsEmitter.cpp?rev=66971&view=auto
==============================================================================
--- llvm/trunk/utils/TableGen/ClangDiagnosticsEmitter.cpp (added)
+++ llvm/trunk/utils/TableGen/ClangDiagnosticsEmitter.cpp Fri Mar 13 17:21:17 2009
@@ -0,0 +1,84 @@
+//=- ClangDiagnosticsEmitter.cpp - Generate Clang diagnostics tables -*- 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 diagnostics tables.
+//
+//===----------------------------------------------------------------------===//
+
+#include "ClangDiagnosticsEmitter.h"
+#include "Record.h"
+#include "llvm/Support/Debug.h"
+#include "llvm/Support/Streams.h"
+#include "llvm/ADT/VectorExtras.h"
+
+using namespace llvm;
+typedef std::vector<Record*> RecordVector;
+typedef std::vector<Record*> SuperClassVector;
+typedef std::vector<RecordVal> RecordValVector;
+
+static const RecordVal* findRecordVal(const RecordValVector& Vals,
+ const std::string &key) {
+ for (RecordValVector::const_iterator I=Vals.begin(), E=Vals.end(); I!=E; ++I)
+ if ((*I).getName() == key)
+ return &*I;
+
+ return 0;
+}
+
+static const Record* getDiagKind(const Record* DiagClass, const Record &R) {
+ const SuperClassVector &SC = R.getSuperClasses();
+ for (SuperClassVector::const_iterator I=SC.begin(), E=SC.end(); I!=E; ++I)
+ if ((*I)->isSubClassOf(DiagClass))
+ return *I;
+
+ return 0;
+}
+
+static void EmitEscaped(std::ostream& OS, const std::string &s) {
+ for (std::string::const_iterator I=s.begin(), E=s.end(); I!=E; ++I)
+ switch (*I) {
+ default: OS << *I; break;
+ case '\"': OS << "\\" << *I; break;
+ case '\\': OS << "\\\\"; break;
+ }
+}
+
+static void ProcessDiag(std::ostream& OS, const Record* DiagClass,
+ const Record& R) {
+
+ const Record* DiagKind = getDiagKind(DiagClass, R);
+ if (!DiagKind)
+ return;
+
+ OS << "DIAG(" << R.getName() << ", ";
+
+ const std::string &s = DiagKind->getName();
+ for (std::string::const_iterator I=s.begin(), E=s.end(); I!=E; ++I)
+ OS << char(toupper(*I));
+
+ const RecordVal* Text = findRecordVal(R.getValues(), "Text");
+ assert(Text && "No 'Text' entry in Diagnostic.");
+ const StringInit* TextVal = dynamic_cast<const StringInit*>(Text->getValue());
+ assert(TextVal && "Value 'Text' must be a string.");
+ OS << ", \"";
+ EmitEscaped(OS, TextVal->getValue());
+ OS << "\")\n";
+}
+
+void ClangDiagsDefsEmitter::run(std::ostream &OS) {
+ const RecordVector &Diags = Records.getAllDerivedDefinitions("Diagnostic");
+
+ const Record* DiagClass = Records.getClass("Diagnostic");
+ assert(DiagClass && "No Diagnostic class defined.");
+
+ for (RecordVector::const_iterator I=Diags.begin(), E=Diags.end(); I!=E; ++I) {
+ // FIXME: Compare the component.
+ ProcessDiag(OS, DiagClass, **I);
+ }
+}
\ No newline at end of file
Added: llvm/trunk/utils/TableGen/ClangDiagnosticsEmitter.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/utils/TableGen/ClangDiagnosticsEmitter.h?rev=66971&view=auto
==============================================================================
--- llvm/trunk/utils/TableGen/ClangDiagnosticsEmitter.h (added)
+++ llvm/trunk/utils/TableGen/ClangDiagnosticsEmitter.h Fri Mar 13 17:21:17 2009
@@ -0,0 +1,35 @@
+//===- ClangDiagnosticsEmitter.h - Generate Clang diagnostics tables -*- 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 diagnostics tables.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef CLANGDIAGS_EMITTER_H
+#define CLANGDIAGS_EMITTER_H
+
+#include "TableGenBackend.h"
+
+namespace llvm {
+
+/// ClangDiagsDefsEmitter - The top-level class emits .def files containing
+/// declarations of Clang diagnostics.
+///
+class ClangDiagsDefsEmitter : public TableGenBackend {
+ RecordKeeper &Records;
+public:
+ explicit ClangDiagsDefsEmitter(RecordKeeper &R) : Records(R) {}
+
+ // run - Output the .def file contents
+ void run(std::ostream &OS);
+};
+
+} // End llvm namespace
+
+#endif
Modified: llvm/trunk/utils/TableGen/TableGen.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/utils/TableGen/TableGen.cpp?rev=66971&r1=66970&r2=66971&view=diff
==============================================================================
--- llvm/trunk/utils/TableGen/TableGen.cpp (original)
+++ llvm/trunk/utils/TableGen/TableGen.cpp Fri Mar 13 17:21:17 2009
@@ -34,6 +34,7 @@
#include "SubtargetEmitter.h"
#include "IntrinsicEmitter.h"
#include "LLVMCConfigurationEmitter.h"
+#include "ClangDiagnosticsEmitter.h"
#include <algorithm>
#include <cstdio>
#include <fstream>
@@ -46,6 +47,7 @@
GenRegisterEnums, GenRegister, GenRegisterHeader,
GenInstrEnums, GenInstrs, GenAsmWriter,
GenCallingConv,
+ GenClangDiagsDefs,
GenDAGISel,
GenFastISel,
GenSubtarget,
@@ -86,6 +88,8 @@
"Generate intrinsic information"),
clEnumValN(GenTgtIntrinsic, "gen-tgt-intrinsic",
"Generate target intrinsic information"),
+ clEnumValN(GenClangDiagsDefs, "gen-clang-diags-defs",
+ "Generate Clang diagnostics definitions"),
clEnumValN(GenLLVMCConf, "gen-llvmc",
"Generate LLVMC configuration library"),
clEnumValN(PrintEnums, "print-enums",
@@ -185,7 +189,6 @@
case GenRegisterHeader:
RegisterInfoEmitter(Records).runHeader(*Out);
break;
-
case GenInstrEnums:
InstrEnumEmitter(Records).run(*Out);
break;
@@ -198,7 +201,9 @@
case GenAsmWriter:
AsmWriterEmitter(Records).run(*Out);
break;
-
+ case GenClangDiagsDefs:
+ ClangDiagsDefsEmitter(Records).run(*Out);
+ break;
case GenDAGISel:
DAGISelEmitter(Records).run(*Out);
break;
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