godot/thirdparty/glslang/SPIRV/disassemble.cpp

//
// Copyright (C) 2014-2015 LunarG, Inc.
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//
// Disassembler for SPIR-V.
//

#include <cstdlib>
#include <cstring>
#include <cassert>
#include <iomanip>
#include <stack>
#include <sstream>
#include <cstring>
#include <utility>

#include "disassemble.h"
#include "doc.h"

namespace spv {
    extern "C" {
        // Include C-based headers that don't have a namespace
        #include "GLSL.std.450.h"
        #include "GLSL.ext.AMD.h"
        #include "GLSL.ext.NV.h"
        #include "GLSL.ext.ARM.h"
        #include "NonSemanticShaderDebugInfo100.h"
        #include "GLSL.ext.QCOM.h"
    }
}
const char* GlslStd450DebugNames[spv::GLSLstd450Count];

namespace spv {

static const char* GLSLextAMDGetDebugNames(const char*, unsigned);
static const char* GLSLextNVGetDebugNames(const char*, unsigned);
static const char* NonSemanticShaderDebugInfo100GetDebugNames(unsigned);

static void Kill(std::ostream& out, const char* message)
{ … }

// used to identify the extended instruction library imported when printing
enum ExtInstSet { … };

// Container class for a single instance of a SPIR-V stream, with methods for disassembly.
class SpirvStream { … };

void SpirvStream::validate()
{ … }

// Loop over all the instructions, in order, processing each.
// Boiler plate for each is handled here directly, the rest is dispatched.
void SpirvStream::processInstructions()
{ … }

void SpirvStream::outputIndent()
{ … }

void SpirvStream::formatId(Id id, std::stringstream& idStream)
{ … }

void SpirvStream::outputResultId(Id id)
{ … }

void SpirvStream::outputTypeId(Id id)
{ … }

void SpirvStream::outputId(Id id)
{ … }

void SpirvStream::outputMask(OperandClass operandClass, unsigned mask)
{ … }

void SpirvStream::disassembleImmediates(int numOperands)
{ … }

void SpirvStream::disassembleIds(int numOperands)
{ … }

// decode string from words at current position (non-consuming)
std::pair<int, std::string> SpirvStream::decodeString()
{ … }

// return the number of operands consumed by the string
int SpirvStream::disassembleString()
{ … }

void SpirvStream::disassembleInstruction(Id resultId, Id /*typeId*/, Op opCode, int numOperands)
{ … }

static void GLSLstd450GetDebugNames(const char** names)
{ … }

static const char* GLSLextAMDGetDebugNames(const char* name, unsigned entrypoint)
{ … }

static const char* GLSLextNVGetDebugNames(const char* name, unsigned entrypoint)
{ … }

static const char* NonSemanticShaderDebugInfo100GetDebugNames(unsigned entrypoint)
{ … }

void Disassemble(std::ostream& out, const std::vector<unsigned int>& stream)
{ … }

}; // end namespace spv