Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1 | // Copyright 2013 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_COMPILER_JS_OPERATOR_H_ |
| 6 | #define V8_COMPILER_JS_OPERATOR_H_ |
| 7 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 8 | #include "src/runtime/runtime.h" |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 9 | #include "src/unique.h" |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 10 | |
| 11 | namespace v8 { |
| 12 | namespace internal { |
| 13 | namespace compiler { |
| 14 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 15 | // Forward declarations. |
| 16 | class Operator; |
| 17 | struct JSOperatorGlobalCache; |
| 18 | |
| 19 | |
| 20 | // Defines the arity and the call flags for a JavaScript function call. This is |
| 21 | // used as a parameter by JSCallFunction operators. |
| 22 | class CallFunctionParameters FINAL { |
| 23 | public: |
| 24 | CallFunctionParameters(size_t arity, CallFunctionFlags flags) |
| 25 | : arity_(arity), flags_(flags) {} |
| 26 | |
| 27 | size_t arity() const { return arity_; } |
| 28 | CallFunctionFlags flags() const { return flags_; } |
| 29 | |
| 30 | private: |
| 31 | const size_t arity_; |
| 32 | const CallFunctionFlags flags_; |
| 33 | }; |
| 34 | |
| 35 | bool operator==(CallFunctionParameters const&, CallFunctionParameters const&); |
| 36 | bool operator!=(CallFunctionParameters const&, CallFunctionParameters const&); |
| 37 | |
| 38 | size_t hash_value(CallFunctionParameters const&); |
| 39 | |
| 40 | std::ostream& operator<<(std::ostream&, CallFunctionParameters const&); |
| 41 | |
| 42 | const CallFunctionParameters& CallFunctionParametersOf(const Operator* op); |
| 43 | |
| 44 | |
| 45 | // Defines the arity and the ID for a runtime function call. This is used as a |
| 46 | // parameter by JSCallRuntime operators. |
| 47 | class CallRuntimeParameters FINAL { |
| 48 | public: |
| 49 | CallRuntimeParameters(Runtime::FunctionId id, size_t arity) |
| 50 | : id_(id), arity_(arity) {} |
| 51 | |
| 52 | Runtime::FunctionId id() const { return id_; } |
| 53 | size_t arity() const { return arity_; } |
| 54 | |
| 55 | private: |
| 56 | const Runtime::FunctionId id_; |
| 57 | const size_t arity_; |
| 58 | }; |
| 59 | |
| 60 | bool operator==(CallRuntimeParameters const&, CallRuntimeParameters const&); |
| 61 | bool operator!=(CallRuntimeParameters const&, CallRuntimeParameters const&); |
| 62 | |
| 63 | size_t hash_value(CallRuntimeParameters const&); |
| 64 | |
| 65 | std::ostream& operator<<(std::ostream&, CallRuntimeParameters const&); |
| 66 | |
| 67 | const CallRuntimeParameters& CallRuntimeParametersOf(const Operator* op); |
| 68 | |
| 69 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 70 | // Defines the location of a context slot relative to a specific scope. This is |
| 71 | // used as a parameter by JSLoadContext and JSStoreContext operators and allows |
| 72 | // accessing a context-allocated variable without keeping track of the scope. |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 73 | class ContextAccess FINAL { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 74 | public: |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 75 | ContextAccess(size_t depth, size_t index, bool immutable); |
| 76 | |
| 77 | size_t depth() const { return depth_; } |
| 78 | size_t index() const { return index_; } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 79 | bool immutable() const { return immutable_; } |
| 80 | |
| 81 | private: |
| 82 | // For space reasons, we keep this tightly packed, otherwise we could just use |
| 83 | // a simple int/int/bool POD. |
| 84 | const bool immutable_; |
| 85 | const uint16_t depth_; |
| 86 | const uint32_t index_; |
| 87 | }; |
| 88 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 89 | bool operator==(ContextAccess const&, ContextAccess const&); |
| 90 | bool operator!=(ContextAccess const&, ContextAccess const&); |
| 91 | |
| 92 | size_t hash_value(ContextAccess const&); |
| 93 | |
| 94 | std::ostream& operator<<(std::ostream&, ContextAccess const&); |
| 95 | |
| 96 | ContextAccess const& ContextAccessOf(Operator const*); |
| 97 | |
| 98 | |
| 99 | class VectorSlotPair { |
| 100 | public: |
| 101 | VectorSlotPair(Handle<TypeFeedbackVector> vector, FeedbackVectorICSlot slot) |
| 102 | : vector_(vector), slot_(slot) {} |
| 103 | |
| 104 | Handle<TypeFeedbackVector> vector() const { return vector_; } |
| 105 | FeedbackVectorICSlot slot() const { return slot_; } |
| 106 | |
| 107 | int index() const { return vector_->GetIndex(slot_); } |
| 108 | |
| 109 | private: |
| 110 | const Handle<TypeFeedbackVector> vector_; |
| 111 | const FeedbackVectorICSlot slot_; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 112 | }; |
| 113 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 114 | |
| 115 | bool operator==(VectorSlotPair const& lhs, VectorSlotPair const& rhs); |
| 116 | |
| 117 | |
| 118 | // Defines the property being loaded from an object by a named load. This is |
| 119 | // used as a parameter by JSLoadNamed operators. |
| 120 | class LoadNamedParameters FINAL { |
| 121 | public: |
| 122 | LoadNamedParameters(const Unique<Name>& name, const VectorSlotPair& feedback, |
| 123 | ContextualMode contextual_mode) |
| 124 | : name_(name), contextual_mode_(contextual_mode), feedback_(feedback) {} |
| 125 | |
| 126 | const Unique<Name>& name() const { return name_; } |
| 127 | ContextualMode contextual_mode() const { return contextual_mode_; } |
| 128 | |
| 129 | const VectorSlotPair& feedback() const { return feedback_; } |
| 130 | |
| 131 | private: |
| 132 | const Unique<Name> name_; |
| 133 | const ContextualMode contextual_mode_; |
| 134 | const VectorSlotPair feedback_; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 135 | }; |
| 136 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 137 | bool operator==(LoadNamedParameters const&, LoadNamedParameters const&); |
| 138 | bool operator!=(LoadNamedParameters const&, LoadNamedParameters const&); |
| 139 | |
| 140 | size_t hash_value(LoadNamedParameters const&); |
| 141 | |
| 142 | std::ostream& operator<<(std::ostream&, LoadNamedParameters const&); |
| 143 | |
| 144 | const LoadNamedParameters& LoadNamedParametersOf(const Operator* op); |
| 145 | |
| 146 | |
| 147 | // Defines the property being loaded from an object. This is |
| 148 | // used as a parameter by JSLoadProperty operators. |
| 149 | class LoadPropertyParameters FINAL { |
| 150 | public: |
| 151 | explicit LoadPropertyParameters(const VectorSlotPair& feedback) |
| 152 | : feedback_(feedback) {} |
| 153 | |
| 154 | const VectorSlotPair& feedback() const { return feedback_; } |
| 155 | |
| 156 | private: |
| 157 | const VectorSlotPair feedback_; |
| 158 | }; |
| 159 | |
| 160 | bool operator==(LoadPropertyParameters const&, LoadPropertyParameters const&); |
| 161 | bool operator!=(LoadPropertyParameters const&, LoadPropertyParameters const&); |
| 162 | |
| 163 | size_t hash_value(LoadPropertyParameters const&); |
| 164 | |
| 165 | std::ostream& operator<<(std::ostream&, LoadPropertyParameters const&); |
| 166 | |
| 167 | const LoadPropertyParameters& LoadPropertyParametersOf(const Operator* op); |
| 168 | |
| 169 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 170 | // Defines the property being stored to an object by a named store. This is |
| 171 | // used as a parameter by JSStoreNamed operators. |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 172 | class StoreNamedParameters FINAL { |
| 173 | public: |
| 174 | StoreNamedParameters(StrictMode strict_mode, const Unique<Name>& name) |
| 175 | : strict_mode_(strict_mode), name_(name) {} |
| 176 | |
| 177 | StrictMode strict_mode() const { return strict_mode_; } |
| 178 | const Unique<Name>& name() const { return name_; } |
| 179 | |
| 180 | private: |
| 181 | const StrictMode strict_mode_; |
| 182 | const Unique<Name> name_; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 183 | }; |
| 184 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 185 | bool operator==(StoreNamedParameters const&, StoreNamedParameters const&); |
| 186 | bool operator!=(StoreNamedParameters const&, StoreNamedParameters const&); |
| 187 | |
| 188 | size_t hash_value(StoreNamedParameters const&); |
| 189 | |
| 190 | std::ostream& operator<<(std::ostream&, StoreNamedParameters const&); |
| 191 | |
| 192 | const StoreNamedParameters& StoreNamedParametersOf(const Operator* op); |
| 193 | |
| 194 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 195 | // Interface for building JavaScript-level operators, e.g. directly from the |
| 196 | // AST. Most operators have no parameters, thus can be globally shared for all |
| 197 | // graphs. |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 198 | class JSOperatorBuilder FINAL : public ZoneObject { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 199 | public: |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 200 | explicit JSOperatorBuilder(Zone* zone); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 201 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 202 | const Operator* Equal(); |
| 203 | const Operator* NotEqual(); |
| 204 | const Operator* StrictEqual(); |
| 205 | const Operator* StrictNotEqual(); |
| 206 | const Operator* LessThan(); |
| 207 | const Operator* GreaterThan(); |
| 208 | const Operator* LessThanOrEqual(); |
| 209 | const Operator* GreaterThanOrEqual(); |
| 210 | const Operator* BitwiseOr(); |
| 211 | const Operator* BitwiseXor(); |
| 212 | const Operator* BitwiseAnd(); |
| 213 | const Operator* ShiftLeft(); |
| 214 | const Operator* ShiftRight(); |
| 215 | const Operator* ShiftRightLogical(); |
| 216 | const Operator* Add(); |
| 217 | const Operator* Subtract(); |
| 218 | const Operator* Multiply(); |
| 219 | const Operator* Divide(); |
| 220 | const Operator* Modulus(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 221 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 222 | const Operator* UnaryNot(); |
| 223 | const Operator* ToBoolean(); |
| 224 | const Operator* ToNumber(); |
| 225 | const Operator* ToString(); |
| 226 | const Operator* ToName(); |
| 227 | const Operator* ToObject(); |
| 228 | const Operator* Yield(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 229 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 230 | const Operator* Create(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 231 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 232 | const Operator* CallFunction(size_t arity, CallFunctionFlags flags); |
| 233 | const Operator* CallRuntime(Runtime::FunctionId id, size_t arity); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 234 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 235 | const Operator* CallConstruct(int arguments); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 236 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 237 | const Operator* LoadProperty(const VectorSlotPair& feedback); |
| 238 | const Operator* LoadNamed(const Unique<Name>& name, |
| 239 | const VectorSlotPair& feedback, |
| 240 | ContextualMode contextual_mode = NOT_CONTEXTUAL); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 241 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 242 | const Operator* StoreProperty(StrictMode strict_mode); |
| 243 | const Operator* StoreNamed(StrictMode strict_mode, const Unique<Name>& name); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 244 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 245 | const Operator* DeleteProperty(StrictMode strict_mode); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 246 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 247 | const Operator* HasProperty(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 248 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 249 | const Operator* LoadContext(size_t depth, size_t index, bool immutable); |
| 250 | const Operator* StoreContext(size_t depth, size_t index); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 251 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 252 | const Operator* TypeOf(); |
| 253 | const Operator* InstanceOf(); |
| 254 | const Operator* Debugger(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 255 | |
| 256 | // TODO(titzer): nail down the static parts of each of these context flavors. |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 257 | const Operator* CreateFunctionContext(); |
| 258 | const Operator* CreateCatchContext(const Unique<String>& name); |
| 259 | const Operator* CreateWithContext(); |
| 260 | const Operator* CreateBlockContext(); |
| 261 | const Operator* CreateModuleContext(); |
| 262 | const Operator* CreateScriptContext(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 263 | |
| 264 | private: |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 265 | Zone* zone() const { return zone_; } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 266 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 267 | const JSOperatorGlobalCache& cache_; |
| 268 | Zone* const zone_; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 269 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 270 | DISALLOW_COPY_AND_ASSIGN(JSOperatorBuilder); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 271 | }; |
| 272 | |
| 273 | } // namespace compiler |
| 274 | } // namespace internal |
| 275 | } // namespace v8 |
| 276 | |
| 277 | #endif // V8_COMPILER_JS_OPERATOR_H_ |