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//===-- DiagnosticManager.h -------------------------------------*- 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
//
//===----------------------------------------------------------------------===//
#ifndef lldb_DiagnosticManager_h
#define lldb_DiagnosticManager_h
#include "lldb/lldb-defines.h"
#include "lldb/lldb-types.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/StringRef.h"
#include <string>
#include <vector>
namespace lldb_private {
enum DiagnosticOrigin {
eDiagnosticOriginUnknown = 0,
eDiagnosticOriginLLDB,
eDiagnosticOriginClang,
eDiagnosticOriginSwift,
eDiagnosticOriginLLVM
};
enum DiagnosticSeverity {
eDiagnosticSeverityError,
eDiagnosticSeverityWarning,
eDiagnosticSeverityRemark
};
const uint32_t LLDB_INVALID_COMPILER_ID = UINT32_MAX;
class Diagnostic {
friend class DiagnosticManager;
public:
DiagnosticOrigin getKind() const { return m_origin; }
static bool classof(const Diagnostic *diag) {
DiagnosticOrigin kind = diag->getKind();
switch (kind) {
case eDiagnosticOriginUnknown:
case eDiagnosticOriginLLDB:
case eDiagnosticOriginLLVM:
return true;
case eDiagnosticOriginClang:
case eDiagnosticOriginSwift:
return false;
}
}
Diagnostic(llvm::StringRef message, DiagnosticSeverity severity,
DiagnosticOrigin origin, uint32_t compiler_id)
: m_message(message), m_severity(severity), m_origin(origin),
m_compiler_id(compiler_id) {}
Diagnostic(const Diagnostic &rhs)
: m_message(rhs.m_message), m_severity(rhs.m_severity),
m_origin(rhs.m_origin), m_compiler_id(rhs.m_compiler_id) {}
virtual ~Diagnostic() = default;
virtual bool HasFixIts() const { return false; }
DiagnosticSeverity GetSeverity() const { return m_severity; }
uint32_t GetCompilerID() const { return m_compiler_id; }
llvm::StringRef GetMessage() const { return m_message; }
void AppendMessage(llvm::StringRef message,
bool precede_with_newline = true) {
if (precede_with_newline)
m_message.push_back('\n');
m_message.append(message);
}
protected:
std::string m_message;
DiagnosticSeverity m_severity;
DiagnosticOrigin m_origin;
uint32_t m_compiler_id; // Compiler-specific diagnostic ID
};
typedef std::vector<std::unique_ptr<Diagnostic>> DiagnosticList;
class DiagnosticManager {
public:
void Clear() {
m_diagnostics.clear();
m_fixed_expression.clear();
}
const DiagnosticList &Diagnostics() { return m_diagnostics; }
bool HasFixIts() const {
return llvm::any_of(m_diagnostics,
[](const std::unique_ptr<Diagnostic> &diag) {
return diag->HasFixIts();
});
}
void AddDiagnostic(llvm::StringRef message, DiagnosticSeverity severity,
DiagnosticOrigin origin,
uint32_t compiler_id = LLDB_INVALID_COMPILER_ID) {
m_diagnostics.emplace_back(
std::make_unique<Diagnostic>(message, severity, origin, compiler_id));
}
void AddDiagnostic(std::unique_ptr<Diagnostic> diagnostic) {
m_diagnostics.push_back(std::move(diagnostic));
}
size_t Printf(DiagnosticSeverity severity, const char *format, ...)
__attribute__((format(printf, 3, 4)));
void PutString(DiagnosticSeverity severity, llvm::StringRef str);
void AppendMessageToDiagnostic(llvm::StringRef str) {
if (!m_diagnostics.empty())
m_diagnostics.back()->AppendMessage(str);
}
// Returns a string containing errors in this format:
//
// "error: error text\n
// warning: warning text\n
// remark text\n"
std::string GetString(char separator = '\n');
void Dump(Log *log);
const std::string &GetFixedExpression() { return m_fixed_expression; }
// Moves fixed_expression to the internal storage.
void SetFixedExpression(std::string fixed_expression) {
m_fixed_expression = std::move(fixed_expression);
}
protected:
DiagnosticList m_diagnostics;
std::string m_fixed_expression;
};
}
#endif /* lldb_DiagnosticManager_h */
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