1 // Copyright 2016 The SwiftShader Authors. All Rights Reserved.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 //    http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #ifndef COMPILER_PREPROCESSOR_EXPRESSION_PARSER_H_
16 #define COMPILER_PREPROCESSOR_EXPRESSION_PARSER_H_
17 
18 #include "pp_utils.h"
19 
20 namespace pp
21 {
22 
23 class Diagnostics;
24 class Lexer;
25 struct Token;
26 
27 class ExpressionParser
28 {
29 public:
30 	ExpressionParser(Lexer* lexer, Diagnostics* diagnostics);
31 
32 	bool parse(Token* token, int* result);
33 
34 private:
35 	PP_DISALLOW_COPY_AND_ASSIGN(ExpressionParser);
36 
37 	Lexer* mLexer;
38 	Diagnostics* mDiagnostics;
39 };
40 
41 }  // namespace pp
42 #endif  // COMPILER_PREPROCESSOR_EXPRESSION_PARSER_H_
43