1 //=- ClangDiagnosticsEmitter.cpp - Generate Clang diagnostics tables -*- C++ -*-
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // These tablegen backends emit Clang diagnostics tables.
12 //===----------------------------------------------------------------------===//
14 #include "ClangDiagnosticsEmitter.h"
16 #include "llvm/Support/Debug.h"
17 #include "llvm/Support/Streams.h"
18 #include "llvm/ADT/VectorExtras.h"
21 typedef std::vector<Record*> RecordVector;
22 typedef std::vector<Record*> SuperClassVector;
23 typedef std::vector<RecordVal> RecordValVector;
25 static const RecordVal* findRecordVal(const RecordValVector& Vals,
26 const std::string &key) {
27 for (RecordValVector::const_iterator I=Vals.begin(), E=Vals.end(); I!=E; ++I)
28 if ((*I).getName() == key)
34 static const Record* getDiagKind(const Record* DiagClass, const Record &R) {
35 const SuperClassVector &SC = R.getSuperClasses();
36 for (SuperClassVector::const_iterator I=SC.begin(), E=SC.end(); I!=E; ++I)
37 if ((*I)->isSubClassOf(DiagClass))
43 static void EmitEscaped(std::ostream& OS, const std::string &s) {
44 for (std::string::const_iterator I=s.begin(), E=s.end(); I!=E; ++I)
46 default: OS << *I; break;
47 case '\"': OS << "\\" << *I; break;
48 case '\\': OS << "\\\\"; break;
52 static void ProcessDiag(std::ostream& OS, const Record* DiagClass,
55 const Record* DiagKind = getDiagKind(DiagClass, R);
59 OS << "DIAG(" << R.getName() << ", ";
61 const std::string &s = DiagKind->getName();
62 for (std::string::const_iterator I=s.begin(), E=s.end(); I!=E; ++I)
63 OS << char(toupper(*I));
65 const RecordVal* Text = findRecordVal(R.getValues(), "Text");
66 assert(Text && "No 'Text' entry in Diagnostic.");
67 const StringInit* TextVal = dynamic_cast<const StringInit*>(Text->getValue());
68 assert(TextVal && "Value 'Text' must be a string.");
70 EmitEscaped(OS, TextVal->getValue());
74 void ClangDiagsDefsEmitter::run(std::ostream &OS) {
75 const RecordVector &Diags = Records.getAllDerivedDefinitions("Diagnostic");
77 const Record* DiagClass = Records.getClass("Diagnostic");
78 assert(DiagClass && "No Diagnostic class defined.");
80 for (RecordVector::const_iterator I=Diags.begin(), E=Diags.end(); I!=E; ++I) {
81 // FIXME: Compare the component.
82 ProcessDiag(OS, DiagClass, **I);