DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Implementation

Mercurial (777e60ca8853)

VCS Links

Line Code
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 * vim: set ts=8 sts=4 et sw=4 tw=99:
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef jit_JSONSpewer_h
#define jit_JSONSpewer_h

#include "mozilla/NullPtr.h"

#include <stdio.h>

#include "js/TypeDecls.h"

namespace js {
namespace jit {

class MDefinition;
class MInstruction;
class MBasicBlock;
class MIRGraph;
class MResumePoint;
class LinearScanAllocator;
class LInstruction;

class JSONSpewer
{
  private:
    // Set by beginFunction(); unset by endFunction().
    // Used to correctly format output in case of abort during compilation.
    bool inFunction_;

    int indentLevel_;
    bool first_;
    FILE* fp_;

    void indent();

    void property(const char* name);
    void beginObject();
    void beginObjectProperty(const char* name);
    void beginListProperty(const char* name);
    void stringValue(const char* format, ...);
    void stringProperty(const char* name, const char* format, ...);
    void integerValue(int value);
    void integerProperty(const char* name, int value);
    void endObject();
    void endList();

  public:
    JSONSpewer()
      : inFunction_(false),
        indentLevel_(0),
        first_(true),
        fp_(nullptr)
    { }
    ~JSONSpewer();

    bool init(const char* path);
    void beginFunction(JSScript* script);
    void beginPass(const char * pass);
    void spewMDef(MDefinition* def);
    void spewMResumePoint(MResumePoint* rp);
    void spewMIR(MIRGraph* mir);
    void spewLIns(LInstruction* ins);
    void spewLIR(MIRGraph* mir);
    void spewIntervals(LinearScanAllocator* regalloc);
    void endPass();
    void endFunction();
    void finish();
};

} // namespace jit
} // namespace js

#endif /* jit_JSONSpewer_h */