/*
* 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_SYMBOL
#define SKSL_SYMBOL
#include "include/private/base/SkAssert.h"
#include "src/sksl/SkSLPosition.h"
#include "src/sksl/ir/SkSLIRNode.h"
#include <memory>
#include <string_view>
namespace SkSL {
class Context;
class Expression;
class Type;
/**
* Represents a symbol table entry .
*/
class Symbol : public IRNode {
public :
using Kind = SymbolKind;
Symbol(Position pos, Kind kind, std::string_view name, const Type* type = nullptr)
: INHERITED(pos, (int) kind)
, fName(name)
, fType(type) {
SkASSERT(kind >= Kind::kFirst && kind <= Kind::kLast);
}
~Symbol() override {}
std::unique_ptr<Expression> instantiate(const Context& context, Position pos) const ;
const Type& type() const {
SkASSERT(fType);
return *fType;
}
Kind kind() const {
return (Kind) fKind;
}
std::string_view name() const {
return fName;
}
/**
* Don ' t call this directly - - use SymbolTable : : renameSymbol instead !
*/
void setName(std::string_view newName) {
fName = newName;
}
private :
std::string_view fName;
const Type* fType;
using INHERITED = IRNode;
};
} // namespace SkSL
#endif
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