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1 // Copyright 2010 the V8 project authors. All rights reserved. | 1 // Copyright 2010 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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119 in_spilled_code_(false) { | 119 in_spilled_code_(false) { |
120 } | 120 } |
121 | 121 |
122 | 122 |
123 // Calling conventions: | 123 // Calling conventions: |
124 // ebp: caller's frame pointer | 124 // ebp: caller's frame pointer |
125 // esp: stack pointer | 125 // esp: stack pointer |
126 // edi: called JS function | 126 // edi: called JS function |
127 // esi: callee's context | 127 // esi: callee's context |
128 | 128 |
129 void CodeGenerator::GenCode(FunctionLiteral* fun) { | 129 void CodeGenerator::GenCode(FunctionLiteral* fun, CompilationInfo* info) { |
130 // Record the position for debugging purposes. | 130 // Record the position for debugging purposes. |
131 CodeForFunctionPosition(fun); | 131 CodeForFunctionPosition(fun); |
132 | 132 |
133 ZoneList<Statement*>* body = fun->body(); | 133 ZoneList<Statement*>* body = fun->body(); |
134 | 134 |
135 // Initialize state. | 135 // Initialize state. |
136 ASSERT(scope_ == NULL); | 136 ASSERT(scope_ == NULL); |
137 scope_ = fun->scope(); | 137 scope_ = fun->scope(); |
138 ASSERT(allocator_ == NULL); | 138 ASSERT(allocator_ == NULL); |
139 RegisterAllocator register_allocator(this); | 139 RegisterAllocator register_allocator(this); |
140 allocator_ = ®ister_allocator; | 140 allocator_ = ®ister_allocator; |
141 ASSERT(frame_ == NULL); | 141 ASSERT(frame_ == NULL); |
142 frame_ = new VirtualFrame(); | 142 frame_ = new VirtualFrame(); |
143 set_in_spilled_code(false); | 143 set_in_spilled_code(false); |
144 | 144 |
145 // Adjust for function-level loop nesting. | 145 // Adjust for function-level loop nesting. |
146 loop_nesting_ += fun->loop_nesting(); | 146 loop_nesting_ += info->loop_nesting(); |
147 | 147 |
148 JumpTarget::set_compiling_deferred_code(false); | 148 JumpTarget::set_compiling_deferred_code(false); |
149 | 149 |
150 #ifdef DEBUG | 150 #ifdef DEBUG |
151 if (strlen(FLAG_stop_at) > 0 && | 151 if (strlen(FLAG_stop_at) > 0 && |
152 fun->name()->IsEqualTo(CStrVector(FLAG_stop_at))) { | 152 fun->name()->IsEqualTo(CStrVector(FLAG_stop_at))) { |
153 frame_->SpillAll(); | 153 frame_->SpillAll(); |
154 __ int3(); | 154 __ int3(); |
155 } | 155 } |
156 #endif | 156 #endif |
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314 // compile an artificial return statement just above, and (b) there | 314 // compile an artificial return statement just above, and (b) there |
315 // are return statements in the body but (c) they are all shadowed. | 315 // are return statements in the body but (c) they are all shadowed. |
316 Result return_value; | 316 Result return_value; |
317 function_return_.Bind(&return_value); | 317 function_return_.Bind(&return_value); |
318 GenerateReturnSequence(&return_value); | 318 GenerateReturnSequence(&return_value); |
319 } | 319 } |
320 } | 320 } |
321 } | 321 } |
322 | 322 |
323 // Adjust for function-level loop nesting. | 323 // Adjust for function-level loop nesting. |
324 loop_nesting_ -= fun->loop_nesting(); | 324 loop_nesting_ -= info->loop_nesting(); |
325 | 325 |
326 // Code generation state must be reset. | 326 // Code generation state must be reset. |
327 ASSERT(state_ == NULL); | 327 ASSERT(state_ == NULL); |
328 ASSERT(loop_nesting() == 0); | 328 ASSERT(loop_nesting() == 0); |
329 ASSERT(!function_return_is_shadowed_); | 329 ASSERT(!function_return_is_shadowed_); |
330 function_return_.Unuse(); | 330 function_return_.Unuse(); |
331 DeleteFrame(); | 331 DeleteFrame(); |
332 | 332 |
333 // Process any deferred code using the register allocator. | 333 // Process any deferred code using the register allocator. |
334 if (!HasStackOverflow()) { | 334 if (!HasStackOverflow()) { |
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10093 | 10093 |
10094 // Call the runtime; it returns -1 (less), 0 (equal), or 1 (greater) | 10094 // Call the runtime; it returns -1 (less), 0 (equal), or 1 (greater) |
10095 // tagged as a small integer. | 10095 // tagged as a small integer. |
10096 __ bind(&runtime); | 10096 __ bind(&runtime); |
10097 __ TailCallRuntime(ExternalReference(Runtime::kStringCompare), 2, 1); | 10097 __ TailCallRuntime(ExternalReference(Runtime::kStringCompare), 2, 1); |
10098 } | 10098 } |
10099 | 10099 |
10100 #undef __ | 10100 #undef __ |
10101 | 10101 |
10102 } } // namespace v8::internal | 10102 } } // namespace v8::internal |
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