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/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SKSL_COMPILER
#define SKSL_COMPILER
#include <vector>
#include "ir/SkSLProgram.h"
#include "ir/SkSLSymbolTable.h"
#include "SkSLContext.h"
#include "SkSLErrorReporter.h"
#include "SkSLGLSLCodeGenerator.h"
namespace SkSL {
class IRGenerator;
/**
* Main compiler entry point. This is a traditional compiler design which first parses the .sksl
* file into an abstract syntax tree (a tree of ASTNodes), then performs semantic analysis to
* produce a Program (a tree of IRNodes), then feeds the Program into a CodeGenerator to produce
* compiled output.
*/
class Compiler : public ErrorReporter {
public:
Compiler();
~Compiler();
std::unique_ptr<Program> convertProgram(Program::Kind kind, std::string text);
bool toSPIRV(Program::Kind kind, const std::string& text, std::ostream& out);
bool toSPIRV(Program::Kind kind, const std::string& text, std::string* out);
bool toGLSL(Program::Kind kind, const std::string& text, GLCaps caps, std::ostream& out);
bool toGLSL(Program::Kind kind, const std::string& text, GLCaps caps, std::string* out);
void error(Position position, std::string msg) override;
std::string errorText();
void writeErrorCount();
private:
void internalConvertProgram(std::string text,
std::vector<std::unique_ptr<ProgramElement>>* result);
std::shared_ptr<SymbolTable> fTypes;
IRGenerator* fIRGenerator;
std::string fSkiaVertText; // FIXME store parsed version instead
Context fContext;
int fErrorCount;
std::string fErrorText;
};
} // namespace
#endif
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