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| 1 // Copyright 2008 the V8 project authors. All rights reserved. | 1 // Copyright 2008 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 |
| 11 // with the distribution. | 11 // with the distribution. |
| 12 // * Neither the name of Google Inc. nor the names of its | 12 // * Neither the name of Google Inc. nor the names of its |
| 13 // contributors may be used to endorse or promote products derived | 13 // contributors may be used to endorse or promote products derived |
| 14 // from this software without specific prior written permission. | 14 // from this software without specific prior written permission. |
| 15 // | 15 // |
| 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | 27 |
| 28 | 28 |
| 29 #include <cstdio> | |
| 29 #include <readline/readline.h> | 30 #include <readline/readline.h> |
| 30 #include <readline/history.h> | 31 #include <readline/history.h> |
| 31 | 32 |
| 32 | 33 |
| 33 #include "d8.h" | 34 #include "d8.h" |
| 34 | 35 |
| 35 | 36 |
| 37 #if RL_READLINE_VERSION >= 0x0500 | |
|
Erik Corry
2008/12/03 13:43:22
I think this deserves a comment.
| |
| 38 #define completion_matches rl_completion_matches | |
| 39 #endif | |
| 40 | |
| 41 | |
| 36 namespace v8 { | 42 namespace v8 { |
| 37 | 43 |
| 38 | 44 |
| 39 class ReadLineEditor: public LineEditor { | 45 class ReadLineEditor: public LineEditor { |
| 40 public: | 46 public: |
| 41 ReadLineEditor() : LineEditor(LineEditor::READLINE, "readline") { } | 47 ReadLineEditor() : LineEditor(LineEditor::READLINE, "readline") { } |
| 42 virtual i::SmartPointer<char> Prompt(const char* prompt); | 48 virtual i::SmartPointer<char> Prompt(const char* prompt); |
| 43 virtual bool Open(); | 49 virtual bool Open(); |
| 44 virtual bool Close(); | 50 virtual bool Close(); |
| 45 virtual void AddHistory(const char* str); | 51 virtual void AddHistory(const char* str); |
| (...skipping 32 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
| 78 | 84 |
| 79 | 85 |
| 80 void ReadLineEditor::AddHistory(const char* str) { | 86 void ReadLineEditor::AddHistory(const char* str) { |
| 81 add_history(str); | 87 add_history(str); |
| 82 } | 88 } |
| 83 | 89 |
| 84 | 90 |
| 85 char** ReadLineEditor::AttemptedCompletion(const char* text, | 91 char** ReadLineEditor::AttemptedCompletion(const char* text, |
| 86 int start, | 92 int start, |
| 87 int end) { | 93 int end) { |
| 88 char** result = rl_completion_matches(text, CompletionGenerator); | 94 char** result = completion_matches(text, CompletionGenerator); |
| 89 rl_attempted_completion_over = true; | 95 rl_attempted_completion_over = true; |
| 90 return result; | 96 return result; |
| 91 } | 97 } |
| 92 | 98 |
| 93 | 99 |
| 94 char* ReadLineEditor::CompletionGenerator(const char* text, int state) { | 100 char* ReadLineEditor::CompletionGenerator(const char* text, int state) { |
| 95 static unsigned current_index; | 101 static unsigned current_index; |
| 96 static Persistent<Array> current_completions; | 102 static Persistent<Array> current_completions; |
| 97 if (state == 0) { | 103 if (state == 0) { |
| 98 i::SmartPointer<char> full_text(strndup(rl_line_buffer, rl_point)); | 104 i::SmartPointer<char> full_text(i::OS::StrNDup(rl_line_buffer, rl_point)); |
| 99 HandleScope scope; | 105 HandleScope scope; |
| 100 Handle<Array> completions = | 106 Handle<Array> completions = |
| 101 Shell::GetCompletions(String::New(text), String::New(*full_text)); | 107 Shell::GetCompletions(String::New(text), String::New(*full_text)); |
| 102 current_completions = Persistent<Array>::New(completions); | 108 current_completions = Persistent<Array>::New(completions); |
| 103 current_index = 0; | 109 current_index = 0; |
| 104 } | 110 } |
| 105 if (current_index < current_completions->Length()) { | 111 if (current_index < current_completions->Length()) { |
| 106 HandleScope scope; | 112 HandleScope scope; |
| 107 Handle<Integer> index = Integer::New(current_index); | 113 Handle<Integer> index = Integer::New(current_index); |
| 108 Handle<Value> str_obj = current_completions->Get(index); | 114 Handle<Value> str_obj = current_completions->Get(index); |
| 109 current_index++; | 115 current_index++; |
| 110 String::Utf8Value str(str_obj); | 116 String::Utf8Value str(str_obj); |
| 111 return strdup(*str); | 117 return strdup(*str); |
| 112 } else { | 118 } else { |
| 113 current_completions.Dispose(); | 119 current_completions.Dispose(); |
| 114 current_completions.Clear(); | 120 current_completions.Clear(); |
| 115 return NULL; | 121 return NULL; |
| 116 } | 122 } |
| 117 } | 123 } |
| 118 | 124 |
| 119 | 125 |
| 120 } // namespace v8 | 126 } // namespace v8 |
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