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Issue 6749029: Make the preparser standalone library and process build in debug mode. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Address review comment. Created 9 years, 9 months ago
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1 // Copyright 2010 the V8 project authors. All rights reserved. 1 // Copyright 2010 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 #include "../include/v8-preparser.h" 28 #include "../include/v8-preparser.h"
29 29
30 #include "v8.h"
31
32 #include "globals.h" 30 #include "globals.h"
33 #include "checks.h" 31 #include "checks.h"
34 #include "allocation.h" 32 #include "allocation.h"
35 #include "utils.h" 33 #include "utils.h"
36 #include "list.h" 34 #include "list.h"
37 #include "scanner-base.h" 35 #include "scanner-base.h"
38 #include "preparse-data.h" 36 #include "preparse-data.h"
39 #include "preparser.h" 37 #include "preparser.h"
40 38
41 namespace v8 { 39 namespace v8 {
(...skipping 112 matching lines...) Expand 10 before | Expand all | Expand 10 after
154 // Only if that pushback buffer at the start of buffer_ isn't sufficient 152 // Only if that pushback buffer at the start of buffer_ isn't sufficient
155 // is the following used. 153 // is the following used.
156 const uc16* pushback_buffer_end_cache_; 154 const uc16* pushback_buffer_end_cache_;
157 uc16* pushback_buffer_backing_; 155 uc16* pushback_buffer_backing_;
158 unsigned pushback_buffer_backing_size_; 156 unsigned pushback_buffer_backing_size_;
159 }; 157 };
160 158
161 159
162 class StandAloneJavaScriptScanner : public JavaScriptScanner { 160 class StandAloneJavaScriptScanner : public JavaScriptScanner {
163 public: 161 public:
164 StandAloneJavaScriptScanner() 162 explicit StandAloneJavaScriptScanner(ScannerConstants* scanner_constants)
165 : JavaScriptScanner(Isolate::Current()) { } 163 : JavaScriptScanner(scanner_constants) { }
166 164
167 void Initialize(UC16CharacterStream* source) { 165 void Initialize(UC16CharacterStream* source) {
168 source_ = source; 166 source_ = source;
169 Init(); 167 Init();
170 // Skip initial whitespace allowing HTML comment ends just like 168 // Skip initial whitespace allowing HTML comment ends just like
171 // after a newline and scan first token. 169 // after a newline and scan first token.
172 has_line_terminator_before_next_ = true; 170 has_line_terminator_before_next_ = true;
173 SkipWhiteSpace(); 171 SkipWhiteSpace();
174 Scan(); 172 Scan();
175 } 173 }
176 }; 174 };
177 175
178 176
179 // Functions declared by allocation.h 177 // Functions declared by allocation.h and implemented in both api.cc (for v8)
178 // or here (for a stand-alone preparser).
180 179
181 void FatalProcessOutOfMemory(const char* reason) { 180 void FatalProcessOutOfMemory(const char* reason) {
182 V8_Fatal(__FILE__, __LINE__, reason); 181 V8_Fatal(__FILE__, __LINE__, reason);
183 } 182 }
184 183
185 bool EnableSlowAsserts() { return true; } 184 bool EnableSlowAsserts() { return true; }
186 185
187 } // namespace internal. 186 } // namespace internal.
188 187
189 188
190 UnicodeInputStream::~UnicodeInputStream() { } 189 UnicodeInputStream::~UnicodeInputStream() { }
191 190
192 191
193 PreParserData Preparse(UnicodeInputStream* input, size_t max_stack) { 192 PreParserData Preparse(UnicodeInputStream* input, size_t max_stack) {
194 internal::InputStreamUTF16Buffer buffer(input); 193 internal::InputStreamUTF16Buffer buffer(input);
195 uintptr_t stack_limit = reinterpret_cast<uintptr_t>(&buffer) - max_stack; 194 uintptr_t stack_limit = reinterpret_cast<uintptr_t>(&buffer) - max_stack;
196 internal::StandAloneJavaScriptScanner scanner; 195 ScannerConstants scanner_constants;
196 internal::StandAloneJavaScriptScanner scanner(&scanner_constants);
197 scanner.Initialize(&buffer); 197 scanner.Initialize(&buffer);
198 internal::CompleteParserRecorder recorder; 198 internal::CompleteParserRecorder recorder;
199 preparser::PreParser::PreParseResult result = 199 preparser::PreParser::PreParseResult result =
200 preparser::PreParser::PreParseProgram(&scanner, 200 preparser::PreParser::PreParseProgram(&scanner,
201 &recorder, 201 &recorder,
202 true, 202 true,
203 stack_limit); 203 stack_limit);
204 if (result == preparser::PreParser::kPreParseStackOverflow) { 204 if (result == preparser::PreParser::kPreParseStackOverflow) {
205 return PreParserData::StackOverflow(); 205 return PreParserData::StackOverflow();
206 } 206 }
207 internal::Vector<unsigned> pre_data = recorder.ExtractData(); 207 internal::Vector<unsigned> pre_data = recorder.ExtractData();
208 size_t size = pre_data.length() * sizeof(pre_data[0]); 208 size_t size = pre_data.length() * sizeof(pre_data[0]);
209 unsigned char* data = reinterpret_cast<unsigned char*>(pre_data.start()); 209 unsigned char* data = reinterpret_cast<unsigned char*>(pre_data.start());
210 return PreParserData(size, data); 210 return PreParserData(size, data);
211 } 211 }
212 212
213 } // namespace v8. 213 } // namespace v8.
214 214
215 215
216 // Used by ASSERT macros and other immediate exits. 216 // Used by ASSERT macros and other immediate exits.
217 extern "C" void V8_Fatal(const char* file, int line, const char* format, ...) { 217 extern "C" void V8_Fatal(const char* file, int line, const char* format, ...) {
218 exit(EXIT_FAILURE); 218 exit(EXIT_FAILURE);
219 } 219 }
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