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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_VARDECLARATION
#define SKSL_VARDECLARATION
#include "SkSLExpression.h"
#include "SkSLStatement.h"
#include "SkSLVariable.h"
namespace SkSL {
/**
* A variable declaration, which may consist of multiple individual variables. For instance
* 'int x, y = 1, z[4][2];' is a single VarDeclaration. This declaration would have a base type of
* 'int', names ['x', 'y', 'z'], sizes of [[], [], [4, 2]], and values of [null, 1, null].
*/
struct VarDeclaration : public ProgramElement {
VarDeclaration(Position position, const Type* baseType, std::vector<const Variable*> vars,
std::vector<std::vector<std::unique_ptr<Expression>>> sizes,
std::vector<std::unique_ptr<Expression>> values)
: INHERITED(position, kVar_Kind)
, fBaseType(*baseType)
, fVars(std::move(vars))
, fSizes(std::move(sizes))
, fValues(std::move(values)) {}
std::string description() const override {
std::string result = fVars[0]->fModifiers.description();
const Type* baseType = &fVars[0]->fType;
while (baseType->kind() == Type::kArray_Kind) {
baseType = &baseType->componentType();
}
result += baseType->description();
std::string separator = " ";
for (size_t i = 0; i < fVars.size(); i++) {
result += separator;
separator = ", ";
result += fVars[i]->fName;
for (size_t j = 0; j < fSizes[i].size(); j++) {
if (fSizes[i][j]) {
result += "[" + fSizes[i][j]->description() + "]";
} else {
result += "[]";
}
}
if (fValues[i]) {
result += " = " + fValues[i]->description();
}
}
result += ";";
return result;
}
const Type& fBaseType;
const std::vector<const Variable*> fVars;
const std::vector<std::vector<std::unique_ptr<Expression>>> fSizes;
const std::vector<std::unique_ptr<Expression>> fValues;
typedef ProgramElement INHERITED;
};
} // namespace
#endif
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