OLD | NEW |
1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef TOOLS_GN_PARSER_H_ | 5 #ifndef TOOLS_GN_PARSER_H_ |
6 #define TOOLS_GN_PARSER_H_ | 6 #define TOOLS_GN_PARSER_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 #include <vector> | 9 #include <vector> |
10 | 10 |
(...skipping 22 matching lines...) Expand all Loading... |
33 class Parser { | 33 class Parser { |
34 public: | 34 public: |
35 // Will return a null pointer and set the err on error. | 35 // Will return a null pointer and set the err on error. |
36 static scoped_ptr<ParseNode> Parse(const std::vector<Token>& tokens, | 36 static scoped_ptr<ParseNode> Parse(const std::vector<Token>& tokens, |
37 Err* err); | 37 Err* err); |
38 | 38 |
39 // Alternative to parsing that assumes the input is an expression. | 39 // Alternative to parsing that assumes the input is an expression. |
40 static scoped_ptr<ParseNode> ParseExpression(const std::vector<Token>& tokens, | 40 static scoped_ptr<ParseNode> ParseExpression(const std::vector<Token>& tokens, |
41 Err* err); | 41 Err* err); |
42 | 42 |
43 scoped_ptr<ParseNode> ParseExpression(); | 43 // Alternative to parsing that assumes the input is a literal value. |
| 44 static scoped_ptr<ParseNode> ParseValue(const std::vector<Token>& tokens, |
| 45 Err* err); |
44 | 46 |
45 private: | 47 private: |
46 // Vector must be valid for lifetime of call. | 48 // Vector must be valid for lifetime of call. |
47 Parser(const std::vector<Token>& tokens, Err* err); | 49 Parser(const std::vector<Token>& tokens, Err* err); |
48 ~Parser(); | 50 ~Parser(); |
49 | 51 |
| 52 scoped_ptr<ParseNode> ParseExpression(); |
| 53 |
50 // Parses an expression with the given precedence or higher. | 54 // Parses an expression with the given precedence or higher. |
51 scoped_ptr<ParseNode> ParseExpression(int precedence); | 55 scoped_ptr<ParseNode> ParseExpression(int precedence); |
52 | 56 |
53 // |PrefixFunc|s used in parsing expressions. | 57 // |PrefixFunc|s used in parsing expressions. |
54 scoped_ptr<ParseNode> Literal(Token token); | 58 scoped_ptr<ParseNode> Literal(Token token); |
55 scoped_ptr<ParseNode> Name(Token token); | 59 scoped_ptr<ParseNode> Name(Token token); |
56 scoped_ptr<ParseNode> Group(Token token); | 60 scoped_ptr<ParseNode> Group(Token token); |
57 scoped_ptr<ParseNode> Not(Token token); | 61 scoped_ptr<ParseNode> Not(Token token); |
58 scoped_ptr<ParseNode> List(Token token); | 62 scoped_ptr<ParseNode> List(Token token); |
59 scoped_ptr<ParseNode> BlockComment(Token token); | 63 scoped_ptr<ParseNode> BlockComment(Token token); |
(...skipping 59 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
119 FRIEND_TEST_ALL_PREFIXES(Parser, Expression); | 123 FRIEND_TEST_ALL_PREFIXES(Parser, Expression); |
120 FRIEND_TEST_ALL_PREFIXES(Parser, FunctionCall); | 124 FRIEND_TEST_ALL_PREFIXES(Parser, FunctionCall); |
121 FRIEND_TEST_ALL_PREFIXES(Parser, List); | 125 FRIEND_TEST_ALL_PREFIXES(Parser, List); |
122 FRIEND_TEST_ALL_PREFIXES(Parser, ParenExpression); | 126 FRIEND_TEST_ALL_PREFIXES(Parser, ParenExpression); |
123 FRIEND_TEST_ALL_PREFIXES(Parser, UnaryOp); | 127 FRIEND_TEST_ALL_PREFIXES(Parser, UnaryOp); |
124 | 128 |
125 DISALLOW_COPY_AND_ASSIGN(Parser); | 129 DISALLOW_COPY_AND_ASSIGN(Parser); |
126 }; | 130 }; |
127 | 131 |
128 #endif // TOOLS_GN_PARSER_H_ | 132 #endif // TOOLS_GN_PARSER_H_ |
OLD | NEW |