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https://github.com/c64scene-ar/llvm-6502.git
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84 lines
2.7 KiB
C++
84 lines
2.7 KiB
C++
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//=- ClangDiagnosticsEmitter.cpp - Generate Clang diagnostics tables -*- C++ -*-
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// These tablegen backends emit Clang diagnostics tables.
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//
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//===----------------------------------------------------------------------===//
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#include "ClangDiagnosticsEmitter.h"
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#include "Record.h"
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#include "llvm/Support/Debug.h"
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#include "llvm/Support/Streams.h"
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#include "llvm/ADT/VectorExtras.h"
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using namespace llvm;
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typedef std::vector<Record*> RecordVector;
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typedef std::vector<Record*> SuperClassVector;
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typedef std::vector<RecordVal> RecordValVector;
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static const RecordVal* findRecordVal(const RecordValVector& Vals,
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const std::string &key) {
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for (RecordValVector::const_iterator I=Vals.begin(), E=Vals.end(); I!=E; ++I)
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if ((*I).getName() == key)
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return &*I;
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return 0;
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}
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static const Record* getDiagKind(const Record* DiagClass, const Record &R) {
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const SuperClassVector &SC = R.getSuperClasses();
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for (SuperClassVector::const_iterator I=SC.begin(), E=SC.end(); I!=E; ++I)
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if ((*I)->isSubClassOf(DiagClass))
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return *I;
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return 0;
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}
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static void EmitEscaped(std::ostream& OS, const std::string &s) {
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for (std::string::const_iterator I=s.begin(), E=s.end(); I!=E; ++I)
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switch (*I) {
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default: OS << *I; break;
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case '\"': OS << "\\" << *I; break;
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case '\\': OS << "\\\\"; break;
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}
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}
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static void ProcessDiag(std::ostream& OS, const Record* DiagClass,
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const Record& R) {
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const Record* DiagKind = getDiagKind(DiagClass, R);
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if (!DiagKind)
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return;
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OS << "DIAG(" << R.getName() << ", ";
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const std::string &s = DiagKind->getName();
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for (std::string::const_iterator I=s.begin(), E=s.end(); I!=E; ++I)
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OS << char(toupper(*I));
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const RecordVal* Text = findRecordVal(R.getValues(), "Text");
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assert(Text && "No 'Text' entry in Diagnostic.");
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const StringInit* TextVal = dynamic_cast<const StringInit*>(Text->getValue());
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assert(TextVal && "Value 'Text' must be a string.");
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OS << ", \"";
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EmitEscaped(OS, TextVal->getValue());
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OS << "\")\n";
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}
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void ClangDiagsDefsEmitter::run(std::ostream &OS) {
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const RecordVector &Diags = Records.getAllDerivedDefinitions("Diagnostic");
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const Record* DiagClass = Records.getClass("Diagnostic");
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assert(DiagClass && "No Diagnostic class defined.");
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for (RecordVector::const_iterator I=Diags.begin(), E=Diags.end(); I!=E; ++I) {
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// FIXME: Compare the component.
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ProcessDiag(OS, DiagClass, **I);
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}
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}
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