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// Copyright 2020 The Tint Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef SRC_VALIDATOR_H_
#define SRC_VALIDATOR_H_
#include <memory>
#include <string>
#include "src/ast/assignment_statement.h"
#include "src/ast/expression.h"
#include "src/ast/module.h"
#include "src/ast/statement.h"
#include "src/validator_impl.h"
namespace tint {
class ValidatorImpl;
/// Determines if the module is complete and valid
class Validator {
public:
/// Constructor
Validator();
~Validator();
/// Runs the validator
/// @param module the module to validate
/// @returns true if the validation was successful
bool Validate(const ast::Module* module);
/// @returns error messages from the validator
const std::string& error() { return error_; }
/// @returns true if an error was encountered
bool has_error() const { return error_.size() > 0; }
/// Sets the error string
/// @param msg the error message
void set_error(const std::string& msg) { error_ = msg; }
private:
std::unique_ptr<ValidatorImpl> impl_;
std::string error_;
};
} // namespace tint
#endif // SRC_VALIDATOR_H_