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//===- llvm/DebugInfo/Symbolize/DIPrinter.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
//
//===----------------------------------------------------------------------===//
//
// This file declares the DIPrinter class, which is responsible for printing
// structures defined in DebugInfo/DIContext.h
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_DEBUGINFO_SYMBOLIZE_DIPRINTER_H
#define LLVM_DEBUGINFO_SYMBOLIZE_DIPRINTER_H
#include "llvm/ADT/Optional.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/JSON.h"
#include <memory>
#include <vector>
namespace llvm {
struct DILineInfo;
class DIInliningInfo;
struct DIGlobal;
struct DILocal;
class ErrorInfoBase;
class raw_ostream;
namespace symbolize {
class SourceCode;
struct Request {
StringRef ModuleName;
Optional<uint64_t> Address;
};
class DIPrinter {
public:
DIPrinter() {}
virtual ~DIPrinter() {}
virtual void print(const Request &Request, const DILineInfo &Info) = 0;
virtual void print(const Request &Request, const DIInliningInfo &Info) = 0;
virtual void print(const Request &Request, const DIGlobal &Global) = 0;
virtual void print(const Request &Request,
const std::vector<DILocal> &Locals) = 0;
virtual void printInvalidCommand(const Request &Request,
StringRef Command) = 0;
virtual bool printError(const Request &Request,
const ErrorInfoBase &ErrorInfo,
StringRef ErrorBanner) = 0;
virtual void listBegin() = 0;
virtual void listEnd() = 0;
};
struct PrinterConfig {
bool PrintAddress;
bool PrintFunctions;
bool Pretty;
bool Verbose;
int SourceContextLines;
};
class PlainPrinterBase : public DIPrinter {
protected:
raw_ostream &OS;
raw_ostream &ES;
PrinterConfig Config;
void print(const DILineInfo &Info, bool Inlined);
void printFunctionName(StringRef FunctionName, bool Inlined);
virtual void printSimpleLocation(StringRef Filename,
const DILineInfo &Info) = 0;
void printContext(SourceCode SourceCode);
void printVerbose(StringRef Filename, const DILineInfo &Info);
virtual void printStartAddress(const DILineInfo &Info) {}
virtual void printFooter() {}
private:
void printHeader(uint64_t Address);
public:
PlainPrinterBase(raw_ostream &OS, raw_ostream &ES, PrinterConfig &Config)
: DIPrinter(), OS(OS), ES(ES), Config(Config) {}
void print(const Request &Request, const DILineInfo &Info) override;
void print(const Request &Request, const DIInliningInfo &Info) override;
void print(const Request &Request, const DIGlobal &Global) override;
void print(const Request &Request,
const std::vector<DILocal> &Locals) override;
void printInvalidCommand(const Request &Request, StringRef Command) override;
bool printError(const Request &Request, const ErrorInfoBase &ErrorInfo,
StringRef ErrorBanner) override;
void listBegin() override {}
void listEnd() override {}
};
class LLVMPrinter : public PlainPrinterBase {
private:
void printSimpleLocation(StringRef Filename, const DILineInfo &Info) override;
void printStartAddress(const DILineInfo &Info) override;
void printFooter() override;
public:
LLVMPrinter(raw_ostream &OS, raw_ostream &ES, PrinterConfig &Config)
: PlainPrinterBase(OS, ES, Config) {}
};
class GNUPrinter : public PlainPrinterBase {
private:
void printSimpleLocation(StringRef Filename, const DILineInfo &Info) override;
public:
GNUPrinter(raw_ostream &OS, raw_ostream &ES, PrinterConfig &Config)
: PlainPrinterBase(OS, ES, Config) {}
};
class JSONPrinter : public DIPrinter {
private:
raw_ostream &OS;
PrinterConfig Config;
std::unique_ptr<json::Array> ObjectList;
void printJSON(const json::Value &V) {
json::OStream JOS(OS, Config.Pretty ? 2 : 0);
JOS.value(V);
OS << '\n';
}
public:
JSONPrinter(raw_ostream &OS, PrinterConfig &Config)
: DIPrinter(), OS(OS), Config(Config) {}
void print(const Request &Request, const DILineInfo &Info) override;
void print(const Request &Request, const DIInliningInfo &Info) override;
void print(const Request &Request, const DIGlobal &Global) override;
void print(const Request &Request,
const std::vector<DILocal> &Locals) override;
void printInvalidCommand(const Request &Request, StringRef Command) override;
bool printError(const Request &Request, const ErrorInfoBase &ErrorInfo,
StringRef ErrorBanner) override;
void listBegin() override;
void listEnd() override;
};
} // namespace symbolize
} // namespace llvm
#endif
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