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Issue 46089: Revert 1469 and 1472 on trunk. (Closed) Base URL: http://v8.googlecode.com/svn/trunk/
Patch Set: '' Created 11 years, 9 months ago
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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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