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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" | |
33 | 32 |
34 namespace v8 { namespace internal { | 33 namespace v8 { namespace internal { |
35 | 34 |
36 | 35 |
37 class ParserMessage : public Malloced { | 36 class ParserMessage : public Malloced { |
38 public: | 37 public: |
39 ParserMessage(Scanner::Location loc, const char* message, | 38 ParserMessage(Scanner::Location loc, const char* message, |
40 Vector<const char*> args) | 39 Vector<const char*> args) |
41 : loc_(loc), | 40 : loc_(loc), |
42 message_(message), | 41 message_(message), |
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159 // (<formal parameters>) { <function body> } | 158 // (<formal parameters>) { <function body> } |
160 // | 159 // |
161 // without any function keyword or name. | 160 // without any function keyword or name. |
162 // | 161 // |
163 FunctionLiteral* MakeLazyAST(Handle<Script> script, | 162 FunctionLiteral* MakeLazyAST(Handle<Script> script, |
164 Handle<String> name, | 163 Handle<String> name, |
165 int start_position, | 164 int start_position, |
166 int end_position, | 165 int end_position, |
167 bool is_expression); | 166 bool is_expression); |
168 | 167 |
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 | |
198 } } // namespace v8::internal | 168 } } // namespace v8::internal |
199 | 169 |
200 #endif // V8_PARSER_H_ | 170 #endif // V8_PARSER_H_ |
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