1 // Copyright 2017 the V8 project authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef V8_BUILTINS_BUILTINS_REGEXP_H_ 6 #define V8_BUILTINS_BUILTINS_REGEXP_H_ 7 8 #include "src/code-stub-assembler.h" 9 10 namespace v8 { 11 namespace internal { 12 13 typedef compiler::Node Node; 14 typedef compiler::CodeAssemblerState CodeAssemblerState; 15 typedef compiler::CodeAssemblerLabel CodeAssemblerLabel; 16 17 class RegExpBuiltinsAssembler : public CodeStubAssembler { 18 public: RegExpBuiltinsAssembler(CodeAssemblerState * state)19 explicit RegExpBuiltinsAssembler(CodeAssemblerState* state) 20 : CodeStubAssembler(state) {} 21 22 void BranchIfFastRegExp(Node* const context, Node* const object, 23 Node* const map, Label* const if_isunmodified, 24 Label* const if_ismodified); 25 26 protected: 27 Node* FastLoadLastIndex(Node* regexp); 28 Node* SlowLoadLastIndex(Node* context, Node* regexp); 29 Node* LoadLastIndex(Node* context, Node* regexp, bool is_fastpath); 30 31 void FastStoreLastIndex(Node* regexp, Node* value); 32 void SlowStoreLastIndex(Node* context, Node* regexp, Node* value); 33 void StoreLastIndex(Node* context, Node* regexp, Node* value, 34 bool is_fastpath); 35 36 Node* ConstructNewResultFromMatchInfo(Node* const context, Node* const regexp, 37 Node* const match_info, 38 Node* const string); 39 40 Node* RegExpPrototypeExecBodyWithoutResult(Node* const context, 41 Node* const regexp, 42 Node* const string, 43 Label* if_didnotmatch, 44 const bool is_fastpath); 45 Node* RegExpPrototypeExecBody(Node* const context, Node* const regexp, 46 Node* const string, const bool is_fastpath); 47 48 Node* ThrowIfNotJSReceiver(Node* context, Node* maybe_receiver, 49 MessageTemplate::Template msg_template, 50 char const* method_name); 51 52 // Analogous to BranchIfFastRegExp, for use in asserts. 53 Node* IsFastRegExpMap(Node* const context, Node* const object, 54 Node* const map); 55 56 Node* IsInitialRegExpMap(Node* context, Node* object, Node* map); 57 void BranchIfFastRegExpResult(Node* context, Node* map, 58 Label* if_isunmodified, Label* if_ismodified); 59 60 Node* FlagsGetter(Node* const context, Node* const regexp, bool is_fastpath); 61 62 Node* FastFlagGetter(Node* const regexp, JSRegExp::Flag flag); 63 Node* SlowFlagGetter(Node* const context, Node* const regexp, 64 JSRegExp::Flag flag); 65 Node* FlagGetter(Node* const context, Node* const regexp, JSRegExp::Flag flag, 66 bool is_fastpath); 67 void FlagGetter(JSRegExp::Flag flag, v8::Isolate::UseCounterFeature counter, 68 const char* method_name); 69 70 Node* IsRegExp(Node* const context, Node* const maybe_receiver); 71 Node* RegExpInitialize(Node* const context, Node* const regexp, 72 Node* const maybe_pattern, Node* const maybe_flags); 73 74 Node* RegExpExec(Node* context, Node* regexp, Node* string); 75 76 Node* AdvanceStringIndex(Node* const string, Node* const index, 77 Node* const is_unicode, bool is_fastpath); 78 79 void RegExpPrototypeMatchBody(Node* const context, Node* const regexp, 80 Node* const string, const bool is_fastpath); 81 82 void RegExpPrototypeSearchBodyFast(Node* const context, Node* const regexp, 83 Node* const string); 84 void RegExpPrototypeSearchBodySlow(Node* const context, Node* const regexp, 85 Node* const string); 86 87 void RegExpPrototypeSplitBody(Node* const context, Node* const regexp, 88 Node* const string, Node* const limit); 89 90 Node* ReplaceGlobalCallableFastPath(Node* context, Node* regexp, Node* string, 91 Node* replace_callable); 92 Node* ReplaceSimpleStringFastPath(Node* context, Node* regexp, Node* string, 93 Node* replace_string); 94 }; 95 96 } // namespace internal 97 } // namespace v8 98 99 #endif // V8_BUILTINS_BUILTINS_REGEXP_H_ 100