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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | 27 |
28 #ifndef V8_PARSER_H_ | 28 #ifndef V8_PARSER_H_ |
29 #define V8_PARSER_H_ | 29 #define V8_PARSER_H_ |
30 | 30 |
31 #include "scanner.h" | 31 #include "scanner.h" |
| 32 #include "allocation.h" |
32 | 33 |
33 namespace v8 { namespace internal { | 34 namespace v8 { namespace internal { |
34 | 35 |
35 | 36 |
36 class ParserMessage : public Malloced { | 37 class ParserMessage : public Malloced { |
37 public: | 38 public: |
38 ParserMessage(Scanner::Location loc, const char* message, | 39 ParserMessage(Scanner::Location loc, const char* message, |
39 Vector<const char*> args) | 40 Vector<const char*> args) |
40 : loc_(loc), | 41 : loc_(loc), |
41 message_(message), | 42 message_(message), |
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158 // (<formal parameters>) { <function body> } | 159 // (<formal parameters>) { <function body> } |
159 // | 160 // |
160 // without any function keyword or name. | 161 // without any function keyword or name. |
161 // | 162 // |
162 FunctionLiteral* MakeLazyAST(Handle<Script> script, | 163 FunctionLiteral* MakeLazyAST(Handle<Script> script, |
163 Handle<String> name, | 164 Handle<String> name, |
164 int start_position, | 165 int start_position, |
165 int end_position, | 166 int end_position, |
166 bool is_expression); | 167 bool is_expression); |
167 | 168 |
| 169 |
| 170 // Support for handling complex values (array and object literals) that |
| 171 // can be fully handled at compile time. |
| 172 class CompileTimeValue: public AllStatic { |
| 173 public: |
| 174 enum Type { |
| 175 OBJECT_LITERAL, |
| 176 ARRAY_LITERAL |
| 177 }; |
| 178 |
| 179 static bool IsCompileTimeValue(Expression* expression); |
| 180 |
| 181 // Get the value as a compile time value. |
| 182 static Handle<FixedArray> GetValue(Expression* expression); |
| 183 |
| 184 // Get the type of a compile time value returned by GetValue(). |
| 185 static Type GetType(Handle<FixedArray> value); |
| 186 |
| 187 // Get the elements array of a compile time value returned by GetValue(). |
| 188 static Handle<FixedArray> GetElements(Handle<FixedArray> value); |
| 189 |
| 190 private: |
| 191 static const int kTypeSlot = 0; |
| 192 static const int kElementsSlot = 1; |
| 193 |
| 194 DISALLOW_IMPLICIT_CONSTRUCTORS(CompileTimeValue); |
| 195 }; |
| 196 |
| 197 |
168 } } // namespace v8::internal | 198 } } // namespace v8::internal |
169 | 199 |
170 #endif // V8_PARSER_H_ | 200 #endif // V8_PARSER_H_ |
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