/*
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* Copyright 2017 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef SKSL_HCODEGENERATOR
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#define SKSL_HCODEGENERATOR
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#include "SkSLCodeGenerator.h"
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#include "SkSLSectionAndParameterHelper.h"
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#include "ir/SkSLType.h"
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#include "ir/SkSLVariable.h"
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#include <cctype>
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constexpr const char* kFragmentProcessorHeader =
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R"(
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/**************************************************************************************************
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*** This file was autogenerated from %s.fp; do not modify.
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**************************************************************************************************/
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)";
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namespace SkSL {
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class HCodeGenerator : public CodeGenerator {
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public:
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HCodeGenerator(const Context* context, const Program* program, ErrorReporter* errors,
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String name, OutputStream* out);
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bool generateCode() override;
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static String ParameterType(const Context& context, const Type& type, const Layout& layout);
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static Layout::CType ParameterCType(const Context& context, const Type& type,
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const Layout& layout);
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static String FieldType(const Context& context, const Type& type, const Layout& layout);
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// Either the field type, or a const reference of the field type if the field type is complex.
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static String AccessType(const Context& context, const Type& type, const Layout& layout);
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static String FieldName(const char* varName) {
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return String::printf("f%c%s", toupper(varName[0]), varName + 1);
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}
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static String CoordTransformName(const String& arg, int index) {
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if (arg.size()) {
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return HCodeGenerator::FieldName(arg.c_str()) + "CoordTransform";
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}
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return "fCoordTransform" + to_string(index);
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}
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static String GetHeader(const Program& program, ErrorReporter& errors);
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private:
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void writef(const char* s, va_list va) SKSL_PRINTF_LIKE(2, 0);
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void writef(const char* s, ...) SKSL_PRINTF_LIKE(2, 3);
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bool writeSection(const char* name, const char* prefix = "");
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// given a @constructorParams section of e.g. 'int x, float y', writes out "<separator>x, y".
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// Writes nothing (not even the separator) if there is no @constructorParams section.
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void writeExtraConstructorParams(const char* separator);
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void writeMake();
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void writeConstructor();
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void writeFields();
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void failOnSection(const char* section, const char* msg);
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const Context& fContext;
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String fName;
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String fFullName;
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SectionAndParameterHelper fSectionAndParameterHelper;
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typedef CodeGenerator INHERITED;
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};
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} // namespace SkSL
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#endif
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