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| /*===-- CIndexDiagnostic.h - Diagnostics C Interface ------------*- C++ -*-===*\
|* *|
|* Part of the LLVM Project, under the Apache License v2.0 with LLVM *|
|* Exceptions. *|
|* See https://llvm.org/LICENSE.txt for license information. *|
|* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception *|
|* *|
|*===----------------------------------------------------------------------===*|
|* *|
|* Implements the diagnostic functions of the Clang C interface. *|
|* *|
\*===----------------------------------------------------------------------===*/
#ifndef LLVM_CLANG_TOOLS_LIBCLANG_CINDEXDIAGNOSTIC_H
#define LLVM_CLANG_TOOLS_LIBCLANG_CINDEXDIAGNOSTIC_H
#include "clang-c/Index.h"
#include <memory>
#include <vector>
#include <assert.h>
namespace clang {
class LangOptions;
class StoredDiagnostic;
class CXDiagnosticImpl;
class CXDiagnosticSetImpl {
std::vector<std::unique_ptr<CXDiagnosticImpl>> Diagnostics;
const bool IsExternallyManaged;
public:
CXDiagnosticSetImpl(bool isManaged = false)
: IsExternallyManaged(isManaged) {}
virtual ~CXDiagnosticSetImpl();
size_t getNumDiagnostics() const {
return Diagnostics.size();
}
CXDiagnosticImpl *getDiagnostic(unsigned i) const {
assert(i < getNumDiagnostics());
return Diagnostics[i].get();
}
void appendDiagnostic(std::unique_ptr<CXDiagnosticImpl> D);
bool empty() const {
return Diagnostics.empty();
}
bool isExternallyManaged() const { return IsExternallyManaged; }
};
class CXDiagnosticImpl {
public:
enum Kind { StoredDiagnosticKind, LoadedDiagnosticKind,
CustomNoteDiagnosticKind };
virtual ~CXDiagnosticImpl();
/// Return the severity of the diagnostic.
virtual CXDiagnosticSeverity getSeverity() const = 0;
/// Return the location of the diagnostic.
virtual CXSourceLocation getLocation() const = 0;
/// Return the spelling of the diagnostic.
virtual CXString getSpelling() const = 0;
/// Return the text for the diagnostic option.
virtual CXString getDiagnosticOption(CXString *Disable) const = 0;
/// Return the category of the diagnostic.
virtual unsigned getCategory() const = 0;
/// Return the category string of the diagnostic.
virtual CXString getCategoryText() const = 0;
/// Return the number of source ranges for the diagnostic.
virtual unsigned getNumRanges() const = 0;
/// Return the source ranges for the diagnostic.
virtual CXSourceRange getRange(unsigned Range) const = 0;
/// Return the number of FixIts.
virtual unsigned getNumFixIts() const = 0;
/// Return the FixIt information (source range and inserted text).
virtual CXString getFixIt(unsigned FixIt,
CXSourceRange *ReplacementRange) const = 0;
Kind getKind() const { return K; }
CXDiagnosticSetImpl &getChildDiagnostics() {
return ChildDiags;
}
protected:
CXDiagnosticImpl(Kind k) : K(k) {}
CXDiagnosticSetImpl ChildDiags;
void append(std::unique_ptr<CXDiagnosticImpl> D) {
ChildDiags.appendDiagnostic(std::move(D));
}
private:
Kind K;
};
/// The storage behind a CXDiagnostic
struct CXStoredDiagnostic : public CXDiagnosticImpl {
const StoredDiagnostic &Diag;
const LangOptions &LangOpts;
CXStoredDiagnostic(const StoredDiagnostic &Diag,
const LangOptions &LangOpts)
: CXDiagnosticImpl(StoredDiagnosticKind),
Diag(Diag), LangOpts(LangOpts) { }
~CXStoredDiagnostic() override {}
/// Return the severity of the diagnostic.
CXDiagnosticSeverity getSeverity() const override;
/// Return the location of the diagnostic.
CXSourceLocation getLocation() const override;
/// Return the spelling of the diagnostic.
CXString getSpelling() const override;
/// Return the text for the diagnostic option.
CXString getDiagnosticOption(CXString *Disable) const override;
/// Return the category of the diagnostic.
unsigned getCategory() const override;
/// Return the category string of the diagnostic.
CXString getCategoryText() const override;
/// Return the number of source ranges for the diagnostic.
unsigned getNumRanges() const override;
/// Return the source ranges for the diagnostic.
CXSourceRange getRange(unsigned Range) const override;
/// Return the number of FixIts.
unsigned getNumFixIts() const override;
/// Return the FixIt information (source range and inserted text).
CXString getFixIt(unsigned FixIt,
CXSourceRange *ReplacementRange) const override;
static bool classof(const CXDiagnosticImpl *D) {
return D->getKind() == StoredDiagnosticKind;
}
};
namespace cxdiag {
CXDiagnosticSetImpl *lazyCreateDiags(CXTranslationUnit TU,
bool checkIfChanged = false);
} // end namespace cxdiag
} // end namespace clang
#endif
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