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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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| 147 void set_state(CodeGenState* state) { state_ = state; } | 147 void set_state(CodeGenState* state) { state_ = state; } |
| 148 | 148 |
| 149 void AddDeferred(DeferredCode* code) { deferred_.Add(code); } | 149 void AddDeferred(DeferredCode* code) { deferred_.Add(code); } |
| 150 | 150 |
| 151 static const int kUnknownIntValue = -1; | 151 static const int kUnknownIntValue = -1; |
| 152 | 152 |
| 153 // Number of instructions used for the JS return sequence. The constant is | 153 // Number of instructions used for the JS return sequence. The constant is |
| 154 // used by the debugger to patch the JS return sequence. | 154 // used by the debugger to patch the JS return sequence. |
| 155 static const int kJSReturnSequenceLength = 6; | 155 static const int kJSReturnSequenceLength = 6; |
| 156 | 156 |
| 157 // If the name is an inline runtime function call return the number of |
| 158 // expected arguments. Otherwise return -1. |
| 159 static int InlineRuntimeCallArgumentsCount(Handle<String> name); |
| 160 |
| 157 private: | 161 private: |
| 158 // Construction/Destruction. | 162 // Construction/Destruction. |
| 159 explicit CodeGenerator(MacroAssembler* masm); | 163 explicit CodeGenerator(MacroAssembler* masm); |
| 160 | 164 |
| 161 // Accessors. | 165 // Accessors. |
| 162 inline bool is_eval(); | 166 inline bool is_eval(); |
| 163 inline Scope* scope(); | 167 inline Scope* scope(); |
| 164 | 168 |
| 165 // Generating deferred code. | 169 // Generating deferred code. |
| 166 void ProcessDeferred(); | 170 void ProcessDeferred(); |
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| 181 void Visit##type(type* node); | 185 void Visit##type(type* node); |
| 182 AST_NODE_LIST(DEF_VISIT) | 186 AST_NODE_LIST(DEF_VISIT) |
| 183 #undef DEF_VISIT | 187 #undef DEF_VISIT |
| 184 | 188 |
| 185 // Main code generation function | 189 // Main code generation function |
| 186 void Generate(CompilationInfo* info); | 190 void Generate(CompilationInfo* info); |
| 187 | 191 |
| 188 struct InlineRuntimeLUT { | 192 struct InlineRuntimeLUT { |
| 189 void (CodeGenerator::*method)(ZoneList<Expression*>*); | 193 void (CodeGenerator::*method)(ZoneList<Expression*>*); |
| 190 const char* name; | 194 const char* name; |
| 195 int nargs; |
| 191 }; | 196 }; |
| 192 | 197 |
| 193 static InlineRuntimeLUT* FindInlineRuntimeLUT(Handle<String> name); | 198 static InlineRuntimeLUT* FindInlineRuntimeLUT(Handle<String> name); |
| 194 bool CheckForInlineRuntimeCall(CallRuntime* node); | 199 bool CheckForInlineRuntimeCall(CallRuntime* node); |
| 195 static bool PatchInlineRuntimeEntry(Handle<String> name, | 200 static bool PatchInlineRuntimeEntry(Handle<String> name, |
| 196 const InlineRuntimeLUT& new_entry, | 201 const InlineRuntimeLUT& new_entry, |
| 197 InlineRuntimeLUT* old_entry); | 202 InlineRuntimeLUT* old_entry); |
| 198 | 203 |
| 199 static Handle<Code> ComputeLazyCompile(int argc); | 204 static Handle<Code> ComputeLazyCompile(int argc); |
| 200 void ProcessDeclarations(ZoneList<Declaration*>* declarations); | 205 void ProcessDeclarations(ZoneList<Declaration*>* declarations); |
| 201 | 206 |
| 202 Handle<Code> ComputeCallInitialize(int argc, InLoopFlag in_loop); | 207 Handle<Code> ComputeCallInitialize(int argc, InLoopFlag in_loop); |
| 203 | 208 |
| 204 // Declare global variables and functions in the given array of | 209 // Declare global variables and functions in the given array of |
| 205 // name/value pairs. | 210 // name/value pairs. |
| 206 void DeclareGlobals(Handle<FixedArray> pairs); | 211 void DeclareGlobals(Handle<FixedArray> pairs); |
| 207 | 212 |
| 208 // Support for type checks. | 213 // Support for type checks. |
| 209 void GenerateIsSmi(ZoneList<Expression*>* args); | 214 void GenerateIsSmi(ZoneList<Expression*>* args); |
| 210 void GenerateIsNonNegativeSmi(ZoneList<Expression*>* args); | 215 void GenerateIsNonNegativeSmi(ZoneList<Expression*>* args); |
| 211 void GenerateIsArray(ZoneList<Expression*>* args); | 216 void GenerateIsArray(ZoneList<Expression*>* args); |
| 212 void GenerateIsRegExp(ZoneList<Expression*>* args); | 217 void GenerateIsRegExp(ZoneList<Expression*>* args); |
| 213 | 218 |
| 214 // Support for construct call checks. | 219 // Support for construct call checks. |
| 215 void GenerateIsConstructCall(ZoneList<Expression*>* args); | 220 void GenerateIsConstructCall(ZoneList<Expression*>* args); |
| 216 | 221 |
| 217 // Support for arguments.length and arguments[?]. | 222 // Support for arguments.length and arguments[?]. |
| 218 void GenerateArgumentsLength(ZoneList<Expression*>* args); | 223 void GenerateArgumentsLength(ZoneList<Expression*>* args); |
| 219 void GenerateArgumentsAccess(ZoneList<Expression*>* args); | 224 void GenerateArguments(ZoneList<Expression*>* args); |
| 220 | 225 |
| 221 // Support for accessing the class and value fields of an object. | 226 // Support for accessing the class and value fields of an object. |
| 222 void GenerateClassOf(ZoneList<Expression*>* args); | 227 void GenerateClassOf(ZoneList<Expression*>* args); |
| 223 void GenerateValueOf(ZoneList<Expression*>* args); | 228 void GenerateValueOf(ZoneList<Expression*>* args); |
| 224 void GenerateSetValueOf(ZoneList<Expression*>* args); | 229 void GenerateSetValueOf(ZoneList<Expression*>* args); |
| 225 | 230 |
| 226 // Fast support for charCodeAt(n). | 231 // Fast support for charCodeAt(n). |
| 227 void GenerateFastCharCodeAt(ZoneList<Expression*>* args); | 232 void GenerateFastCharCodeAt(ZoneList<Expression*>* args); |
| 228 | 233 |
| 229 // Fast support for string.charAt(n) and string[n]. | 234 // Fast support for string.charAt(n) and string[n]. |
| 230 void GenerateCharFromCode(ZoneList<Expression*>* args); | 235 void GenerateCharFromCode(ZoneList<Expression*>* args); |
| 231 | 236 |
| 232 // Fast support for object equality testing. | 237 // Fast support for object equality testing. |
| 233 void GenerateObjectEquals(ZoneList<Expression*>* args); | 238 void GenerateObjectEquals(ZoneList<Expression*>* args); |
| 234 | 239 |
| 235 void GenerateLog(ZoneList<Expression*>* args); | 240 void GenerateLog(ZoneList<Expression*>* args); |
| 236 | 241 |
| 237 // Fast support for Math.random(). | 242 // Fast support for Math.random(). |
| 238 void GenerateRandomPositiveSmi(ZoneList<Expression*>* args); | 243 void GenerateRandomPositiveSmi(ZoneList<Expression*>* args); |
| 239 | 244 |
| 240 void GenerateIsObject(ZoneList<Expression*>* args); | 245 void GenerateIsObject(ZoneList<Expression*>* args); |
| 241 void GenerateIsFunction(ZoneList<Expression*>* args); | 246 void GenerateIsFunction(ZoneList<Expression*>* args); |
| 242 void GenerateIsUndetectableObject(ZoneList<Expression*>* args); | 247 void GenerateIsUndetectableObject(ZoneList<Expression*>* args); |
| 243 void GenerateStringAdd(ZoneList<Expression*>* args); | 248 void GenerateStringAdd(ZoneList<Expression*>* args); |
| 244 void GenerateSubString(ZoneList<Expression*>* args); | 249 void GenerateSubString(ZoneList<Expression*>* args); |
| 245 void GenerateStringCompare(ZoneList<Expression*>* args); | 250 void GenerateStringCompare(ZoneList<Expression*>* args); |
| 246 void GenerateRegExpExec(ZoneList<Expression*>* args); | 251 void GenerateRegExpExec(ZoneList<Expression*>* args); |
| 247 void GenerateNumberToString(ZoneList<Expression*>* args); | 252 void GenerateNumberToString(ZoneList<Expression*>* args); |
| 248 | 253 |
| 249 // Fast support for Math.pow(). | 254 // Fast call to math functions. |
| 250 void GenerateMathPow(ZoneList<Expression*>* args); | 255 void GenerateMathPow(ZoneList<Expression*>* args); |
| 251 // Fast support for Math.sqrt(). | 256 void GenerateMathSin(ZoneList<Expression*>* args); |
| 252 void GenerateMathPow(ZoneList<Expression*>* args); | 257 void GenerateMathCos(ZoneList<Expression*>* args); |
| 253 | 258 void GenerateMathSqrt(ZoneList<Expression*>* args); |
| 254 | |
| 255 // Fast support for Math.sin and Math.cos. | |
| 256 inline void GenerateMathSin(ZoneList<Expression*>* args); | |
| 257 inline void GenerateMathCos(ZoneList<Expression*>* args); | |
| 258 | 259 |
| 259 // Simple condition analysis. | 260 // Simple condition analysis. |
| 260 enum ConditionAnalysis { | 261 enum ConditionAnalysis { |
| 261 ALWAYS_TRUE, | 262 ALWAYS_TRUE, |
| 262 ALWAYS_FALSE, | 263 ALWAYS_FALSE, |
| 263 DONT_KNOW | 264 DONT_KNOW |
| 264 }; | 265 }; |
| 265 ConditionAnalysis AnalyzeCondition(Expression* cond); | 266 ConditionAnalysis AnalyzeCondition(Expression* cond); |
| 266 | 267 |
| 267 // Methods used to indicate which source code is generated for. Source | 268 // Methods used to indicate which source code is generated for. Source |
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| 312 friend class FullCodeGenerator; | 313 friend class FullCodeGenerator; |
| 313 friend class FullCodeGenSyntaxChecker; | 314 friend class FullCodeGenSyntaxChecker; |
| 314 | 315 |
| 315 DISALLOW_COPY_AND_ASSIGN(CodeGenerator); | 316 DISALLOW_COPY_AND_ASSIGN(CodeGenerator); |
| 316 }; | 317 }; |
| 317 | 318 |
| 318 | 319 |
| 319 } } // namespace v8::internal | 320 } } // namespace v8::internal |
| 320 | 321 |
| 321 #endif // V8_MIPS_CODEGEN_MIPS_H_ | 322 #endif // V8_MIPS_CODEGEN_MIPS_H_ |
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