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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_VARDECLARATIONS
#define SKSL_VARDECLARATIONS
#include "SkSLExpression.h"
#include "SkSLStatement.h"
#include "SkSLVariable.h"
namespace SkSL {
/**
* A single variable declaration within a var declaration statement. For instance, the statement
* 'int x = 2, y[3];' is a VarDeclarations statement containing two individual VarDeclaration
* instances.
*/
struct VarDeclaration {
VarDeclaration(const Variable* var,
std::vector<std::unique_ptr<Expression>> sizes,
std::unique_ptr<Expression> value)
: fVar(var)
, fSizes(std::move(sizes))
, fValue(std::move(value)) {}
std::string description() const {
std::string result = fVar->fName;
for (const auto& size : fSizes) {
if (size) {
result += "[" + size->description() + "]";
} else {
result += "[]";
}
}
if (fValue) {
result += " = " + fValue->description();
}
return result;
}
const Variable* fVar;
std::vector<std::unique_ptr<Expression>> fSizes;
std::unique_ptr<Expression> fValue;
};
/**
* A variable declaration statement, which may consist of one or more individual variables.
*/
struct VarDeclarations : public ProgramElement {
VarDeclarations(Position position, const Type* baseType,
std::vector<VarDeclaration> vars)
: INHERITED(position, kVar_Kind)
, fBaseType(*baseType)
, fVars(std::move(vars)) {}
std::string description() const override {
if (!fVars.size()) {
return "";
}
std::string result = fVars[0].fVar->fModifiers.description() + fBaseType.description() +
" ";
std::string separator = "";
for (const auto& var : fVars) {
result += separator;
separator = ", ";
result += var.description();
}
return result;
}
const Type& fBaseType;
const std::vector<VarDeclaration> fVars;
typedef ProgramElement INHERITED;
};
} // namespace
#endif
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