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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/bootstrap_natives.h" | 5 #include "vm/bootstrap_natives.h" |
6 | 6 |
7 #include "vm/exceptions.h" | 7 #include "vm/exceptions.h" |
8 #include "vm/native_entry.h" | 8 #include "vm/native_entry.h" |
9 #include "vm/object.h" | 9 #include "vm/object.h" |
10 #include "vm/symbols.h" | 10 #include "vm/symbols.h" |
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142 | 142 |
143 | 143 |
144 DEFINE_NATIVE_ENTRY(String_charAt, 2) { | 144 DEFINE_NATIVE_ENTRY(String_charAt, 2) { |
145 const String& receiver = String::CheckedHandle(arguments->NativeArgAt(0)); | 145 const String& receiver = String::CheckedHandle(arguments->NativeArgAt(0)); |
146 GET_NON_NULL_NATIVE_ARGUMENT(Integer, index, arguments->NativeArgAt(1)); | 146 GET_NON_NULL_NATIVE_ARGUMENT(Integer, index, arguments->NativeArgAt(1)); |
147 uint32_t value = StringValueAt(receiver, index); | 147 uint32_t value = StringValueAt(receiver, index); |
148 ASSERT(value <= 0x10FFFF); | 148 ASSERT(value <= 0x10FFFF); |
149 return Symbols::FromCharCode(value); | 149 return Symbols::FromCharCode(value); |
150 } | 150 } |
151 | 151 |
152 DEFINE_NATIVE_ENTRY(String_charCodeAt, 2) { | 152 DEFINE_NATIVE_ENTRY(String_codeUnitAt, 2) { |
153 const String& receiver = String::CheckedHandle(arguments->NativeArgAt(0)); | 153 const String& receiver = String::CheckedHandle(arguments->NativeArgAt(0)); |
154 GET_NON_NULL_NATIVE_ARGUMENT(Integer, index, arguments->NativeArgAt(1)); | 154 GET_NON_NULL_NATIVE_ARGUMENT(Integer, index, arguments->NativeArgAt(1)); |
155 | 155 |
156 int32_t value = StringValueAt(receiver, index); | 156 int32_t value = StringValueAt(receiver, index); |
157 ASSERT(value >= 0); | 157 ASSERT(value >= 0); |
158 ASSERT(value <= 0x10FFFF); | 158 ASSERT(value <= 0xFFFF); |
159 return Smi::New(value); | 159 return Smi::New(value); |
160 } | 160 } |
161 | 161 |
162 | 162 |
163 DEFINE_NATIVE_ENTRY(String_concat, 2) { | 163 DEFINE_NATIVE_ENTRY(String_concat, 2) { |
164 const String& receiver = String::CheckedHandle(arguments->NativeArgAt(0)); | 164 const String& receiver = String::CheckedHandle(arguments->NativeArgAt(0)); |
165 GET_NON_NULL_NATIVE_ARGUMENT(String, b, arguments->NativeArgAt(1)); | 165 GET_NON_NULL_NATIVE_ARGUMENT(String, b, arguments->NativeArgAt(1)); |
166 return String::Concat(receiver, b); | 166 return String::Concat(receiver, b); |
167 } | 167 } |
168 | 168 |
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191 if (!elem.IsString()) { | 191 if (!elem.IsString()) { |
192 const Array& args = Array::Handle(Array::New(1)); | 192 const Array& args = Array::Handle(Array::New(1)); |
193 args.SetAt(0, elem); | 193 args.SetAt(0, elem); |
194 Exceptions::ThrowByType(Exceptions::kArgument, args); | 194 Exceptions::ThrowByType(Exceptions::kArgument, args); |
195 } | 195 } |
196 } | 196 } |
197 return String::ConcatAll(strings); | 197 return String::ConcatAll(strings); |
198 } | 198 } |
199 | 199 |
200 } // namespace dart | 200 } // namespace dart |
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