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| 1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
| 4 | 4 |
| 5 #include "vm/resolver.h" | 5 #include "vm/resolver.h" |
| 6 | 6 |
| 7 #include "vm/dart_entry.h" | 7 #include "vm/dart_entry.h" |
| 8 #include "vm/flags.h" | 8 #include "vm/flags.h" |
| 9 #include "vm/isolate.h" | 9 #include "vm/isolate.h" |
| 10 #include "vm/log.h" |
| 10 #include "vm/object.h" | 11 #include "vm/object.h" |
| 11 #include "vm/object_store.h" | 12 #include "vm/object_store.h" |
| 12 #include "vm/symbols.h" | 13 #include "vm/symbols.h" |
| 13 | 14 |
| 14 namespace dart { | 15 namespace dart { |
| 15 | 16 |
| 16 DEFINE_FLAG(bool, trace_resolving, false, "Trace resolving."); | 17 DEFINE_FLAG(bool, trace_resolving, false, "Trace resolving."); |
| 17 DECLARE_FLAG(bool, lazy_dispatchers); | 18 DECLARE_FLAG(bool, lazy_dispatchers); |
| 18 | 19 |
| 19 // The actual names of named arguments are not checked by the dynamic resolver, | 20 // The actual names of named arguments are not checked by the dynamic resolver, |
| (...skipping 17 matching lines...) Expand all Loading... |
| 37 const ArgumentsDescriptor& args_desc) { | 38 const ArgumentsDescriptor& args_desc) { |
| 38 | 39 |
| 39 Function& function = | 40 Function& function = |
| 40 Function::Handle(ResolveDynamicAnyArgs(receiver_class, function_name)); | 41 Function::Handle(ResolveDynamicAnyArgs(receiver_class, function_name)); |
| 41 | 42 |
| 42 if (function.IsNull() || | 43 if (function.IsNull() || |
| 43 !function.AreValidArguments(args_desc, NULL)) { | 44 !function.AreValidArguments(args_desc, NULL)) { |
| 44 // Return a null function to signal to the upper levels to dispatch to | 45 // Return a null function to signal to the upper levels to dispatch to |
| 45 // "noSuchMethod" function. | 46 // "noSuchMethod" function. |
| 46 if (FLAG_trace_resolving) { | 47 if (FLAG_trace_resolving) { |
| 47 String& error_message = String::Handle(String::New("function not found")); | 48 String& error_message = |
| 49 String::Handle(Symbols::New("function not found")); |
| 48 if (!function.IsNull()) { | 50 if (!function.IsNull()) { |
| 49 // Obtain more detailed error message. | 51 // Obtain more detailed error message. |
| 50 function.AreValidArguments(args_desc, &error_message); | 52 function.AreValidArguments(args_desc, &error_message); |
| 51 } | 53 } |
| 52 OS::Print("ResolveDynamic error '%s': %s.\n", | 54 THR_Print("ResolveDynamic error '%s': %s.\n", |
| 53 function_name.ToCString(), | 55 function_name.ToCString(), |
| 54 error_message.ToCString()); | 56 error_message.ToCString()); |
| 55 } | 57 } |
| 56 return Function::null(); | 58 return Function::null(); |
| 57 } | 59 } |
| 58 return function.raw(); | 60 return function.raw(); |
| 59 } | 61 } |
| 60 | 62 |
| 61 | 63 |
| 62 RawFunction* Resolver::ResolveDynamicAnyArgs( | 64 RawFunction* Resolver::ResolveDynamicAnyArgs( |
| 63 const Class& receiver_class, | 65 const Class& receiver_class, |
| 64 const String& function_name) { | 66 const String& function_name) { |
| 65 Class& cls = Class::Handle(receiver_class.raw()); | 67 Class& cls = Class::Handle(receiver_class.raw()); |
| 66 if (FLAG_trace_resolving) { | 68 if (FLAG_trace_resolving) { |
| 67 OS::Print("ResolveDynamic '%s' for class %s\n", | 69 THR_Print("ResolveDynamic '%s' for class %s\n", |
| 68 function_name.ToCString(), | 70 function_name.ToCString(), |
| 69 String::Handle(cls.Name()).ToCString()); | 71 String::Handle(cls.Name()).ToCString()); |
| 70 } | 72 } |
| 71 | 73 |
| 72 const bool is_getter = Field::IsGetterName(function_name); | 74 const bool is_getter = Field::IsGetterName(function_name); |
| 73 String& field_name = String::Handle(); | 75 String& field_name = String::Handle(); |
| 74 if (is_getter) { | 76 if (is_getter) { |
| 75 field_name ^= Field::NameFromGetter(function_name); | 77 field_name ^= Field::NameFromGetter(function_name); |
| 76 | 78 |
| 77 if (field_name.CharAt(0) == '#') { | 79 if (field_name.CharAt(0) == '#') { |
| (...skipping 74 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 152 const Object& object = Object::Handle(library.ResolveName(function_name)); | 154 const Object& object = Object::Handle(library.ResolveName(function_name)); |
| 153 if (!object.IsNull() && object.IsFunction()) { | 155 if (!object.IsNull() && object.IsFunction()) { |
| 154 function ^= object.raw(); | 156 function ^= object.raw(); |
| 155 if (!function.AreValidArguments(num_arguments, argument_names, NULL)) { | 157 if (!function.AreValidArguments(num_arguments, argument_names, NULL)) { |
| 156 if (FLAG_trace_resolving) { | 158 if (FLAG_trace_resolving) { |
| 157 String& error_message = String::Handle(); | 159 String& error_message = String::Handle(); |
| 158 // Obtain more detailed error message. | 160 // Obtain more detailed error message. |
| 159 function.AreValidArguments(num_arguments, | 161 function.AreValidArguments(num_arguments, |
| 160 argument_names, | 162 argument_names, |
| 161 &error_message); | 163 &error_message); |
| 162 OS::Print("ResolveStatic error '%s': %s.\n", | 164 THR_Print("ResolveStatic error '%s': %s.\n", |
| 163 function_name.ToCString(), | 165 function_name.ToCString(), |
| 164 error_message.ToCString()); | 166 error_message.ToCString()); |
| 165 } | 167 } |
| 166 function = Function::null(); | 168 function = Function::null(); |
| 167 } | 169 } |
| 168 } else { | 170 } else { |
| 169 if (FLAG_trace_resolving) { | 171 if (FLAG_trace_resolving) { |
| 170 OS::Print("ResolveStatic error: function '%s' not found.\n", | 172 THR_Print("ResolveStatic error: function '%s' not found.\n", |
| 171 function_name.ToCString()); | 173 function_name.ToCString()); |
| 172 } | 174 } |
| 173 } | 175 } |
| 174 } else { | 176 } else { |
| 175 // Lookup class_name in the library's class dictionary to get at | 177 // Lookup class_name in the library's class dictionary to get at |
| 176 // the dart class object. If class_name is not found in the dictionary | 178 // the dart class object. If class_name is not found in the dictionary |
| 177 // ResolveStatic will return a NULL function object. | 179 // ResolveStatic will return a NULL function object. |
| 178 const Class& cls = Class::Handle(library.LookupClass(class_name)); | 180 const Class& cls = Class::Handle(library.LookupClass(class_name)); |
| 179 if (!cls.IsNull()) { | 181 if (!cls.IsNull()) { |
| 180 function = ResolveStatic(cls, | 182 function = ResolveStatic(cls, |
| 181 function_name, | 183 function_name, |
| 182 num_arguments, | 184 num_arguments, |
| 183 argument_names); | 185 argument_names); |
| 184 } | 186 } |
| 185 if (FLAG_trace_resolving && function.IsNull()) { | 187 if (FLAG_trace_resolving && function.IsNull()) { |
| 186 OS::Print("ResolveStatic error: function '%s.%s' not found.\n", | 188 THR_Print("ResolveStatic error: function '%s.%s' not found.\n", |
| 187 class_name.ToCString(), | 189 class_name.ToCString(), |
| 188 function_name.ToCString()); | 190 function_name.ToCString()); |
| 189 } | 191 } |
| 190 } | 192 } |
| 191 return function.raw(); | 193 return function.raw(); |
| 192 } | 194 } |
| 193 | 195 |
| 194 | 196 |
| 195 RawFunction* Resolver::ResolveStatic(const Class& cls, | 197 RawFunction* Resolver::ResolveStatic(const Class& cls, |
| 196 const String& function_name, | 198 const String& function_name, |
| 197 intptr_t num_arguments, | 199 intptr_t num_arguments, |
| 198 const Array& argument_names) { | 200 const Array& argument_names) { |
| 199 ASSERT(!cls.IsNull()); | 201 ASSERT(!cls.IsNull()); |
| 200 if (FLAG_trace_resolving) { | 202 if (FLAG_trace_resolving) { |
| 201 OS::Print("ResolveStatic '%s'\n", function_name.ToCString()); | 203 THR_Print("ResolveStatic '%s'\n", function_name.ToCString()); |
| 202 } | 204 } |
| 203 const Function& function = | 205 const Function& function = |
| 204 Function::Handle(cls.LookupStaticFunction(function_name)); | 206 Function::Handle(cls.LookupStaticFunction(function_name)); |
| 205 if (function.IsNull() || | 207 if (function.IsNull() || |
| 206 !function.AreValidArguments(num_arguments, argument_names, NULL)) { | 208 !function.AreValidArguments(num_arguments, argument_names, NULL)) { |
| 207 // Return a null function to signal to the upper levels to throw a | 209 // Return a null function to signal to the upper levels to throw a |
| 208 // resolution error or maybe throw the error right here. | 210 // resolution error or maybe throw the error right here. |
| 209 if (FLAG_trace_resolving) { | 211 if (FLAG_trace_resolving) { |
| 210 String& error_message = String::Handle(String::New("function not found")); | 212 String& error_message = String::Handle(String::New("function not found")); |
| 211 if (!function.IsNull()) { | 213 if (!function.IsNull()) { |
| 212 // Obtain more detailed error message. | 214 // Obtain more detailed error message. |
| 213 function.AreValidArguments(num_arguments, | 215 function.AreValidArguments(num_arguments, |
| 214 argument_names, | 216 argument_names, |
| 215 &error_message); | 217 &error_message); |
| 216 } | 218 } |
| 217 OS::Print("ResolveStatic error '%s': %s.\n", | 219 THR_Print("ResolveStatic error '%s': %s.\n", |
| 218 function_name.ToCString(), | 220 function_name.ToCString(), |
| 219 error_message.ToCString()); | 221 error_message.ToCString()); |
| 220 } | 222 } |
| 221 return Function::null(); | 223 return Function::null(); |
| 222 } | 224 } |
| 223 return function.raw(); | 225 return function.raw(); |
| 224 } | 226 } |
| 225 | 227 |
| 226 | 228 |
| 227 RawFunction* Resolver::ResolveStaticAllowPrivate(const Class& cls, | 229 RawFunction* Resolver::ResolveStaticAllowPrivate(const Class& cls, |
| 228 const String& function_name, | 230 const String& function_name, |
| 229 intptr_t num_arguments, | 231 intptr_t num_arguments, |
| 230 const Array& argument_names) { | 232 const Array& argument_names) { |
| 231 ASSERT(!cls.IsNull()); | 233 ASSERT(!cls.IsNull()); |
| 232 if (FLAG_trace_resolving) { | 234 if (FLAG_trace_resolving) { |
| 233 OS::Print("ResolveStaticAllowPrivate '%s'\n", function_name.ToCString()); | 235 THR_Print("ResolveStaticAllowPrivate '%s'\n", function_name.ToCString()); |
| 234 } | 236 } |
| 235 const Function& function = | 237 const Function& function = |
| 236 Function::Handle(cls.LookupStaticFunctionAllowPrivate(function_name)); | 238 Function::Handle(cls.LookupStaticFunctionAllowPrivate(function_name)); |
| 237 if (function.IsNull() || | 239 if (function.IsNull() || |
| 238 !function.AreValidArguments(num_arguments, argument_names, NULL)) { | 240 !function.AreValidArguments(num_arguments, argument_names, NULL)) { |
| 239 // Return a null function to signal to the upper levels to throw a | 241 // Return a null function to signal to the upper levels to throw a |
| 240 // resolution error or maybe throw the error right here. | 242 // resolution error or maybe throw the error right here. |
| 241 if (FLAG_trace_resolving) { | 243 if (FLAG_trace_resolving) { |
| 242 String& error_message = String::Handle(String::New("function not found")); | 244 String& error_message = String::Handle(String::New("function not found")); |
| 243 if (!function.IsNull()) { | 245 if (!function.IsNull()) { |
| 244 // Obtain more detailed error message. | 246 // Obtain more detailed error message. |
| 245 function.AreValidArguments(num_arguments, | 247 function.AreValidArguments(num_arguments, |
| 246 argument_names, | 248 argument_names, |
| 247 &error_message); | 249 &error_message); |
| 248 } | 250 } |
| 249 OS::Print("ResolveStaticAllowPrivate error '%s': %s.\n", | 251 THR_Print("ResolveStaticAllowPrivate error '%s': %s.\n", |
| 250 function_name.ToCString(), | 252 function_name.ToCString(), |
| 251 error_message.ToCString()); | 253 error_message.ToCString()); |
| 252 } | 254 } |
| 253 return Function::null(); | 255 return Function::null(); |
| 254 } | 256 } |
| 255 return function.raw(); | 257 return function.raw(); |
| 256 } | 258 } |
| 257 | 259 |
| 258 } // namespace dart | 260 } // namespace dart |
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