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| 1 // Copyright 2008 the V8 project authors. All rights reserved. | |
| 2 // Redistribution and use in source and binary forms, with or without | |
| 3 // modification, are permitted provided that the following conditions are | |
| 4 // met: | |
| 5 // | |
| 6 // * Redistributions of source code must retain the above copyright | |
| 7 // notice, this list of conditions and the following disclaimer. | |
| 8 // * Redistributions in binary form must reproduce the above | |
| 9 // copyright notice, this list of conditions and the following | |
| 10 // disclaimer in the documentation and/or other materials provided | |
| 11 // with the distribution. | |
| 12 // * Neither the name of Google Inc. nor the names of its | |
| 13 // contributors may be used to endorse or promote products derived | |
| 14 // from this software without specific prior written permission. | |
| 15 // | |
| 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 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. | |
| 27 | |
| 28 // Flags: --expose-debug-as debug | |
| 29 // For this test to work this file MUST have CR LF line endings. | |
| 30 function a() { b(); }; | |
| 31 function b() { | |
| 32 c(true); | |
| 33 }; | |
| 34 function c(x) { | |
| 35 if (x) { | |
| 36 return 1; | |
| 37 } else { | |
| 38 return 1; | |
| 39 } | |
| 40 }; | |
| 41 function d(x) { | |
| 42 x = 1 ; | |
| 43 x = 2 ; | |
| 44 x = 3 ; | |
| 45 x = 4 ; | |
| 46 x = 5 ; | |
| 47 x = 6 ; | |
| 48 x = 7 ; | |
| 49 x = 8 ; | |
| 50 x = 9 ; | |
| 51 x = 10; | |
| 52 x = 11; | |
| 53 x = 12; | |
| 54 x = 13; | |
| 55 x = 14; | |
| 56 x = 15; | |
| 57 } | |
| 58 | |
| 59 // Get the Debug object exposed from the debug context global object. | |
| 60 Debug = debug.Debug | |
| 61 | |
| 62 // This is the number of comment lines above the first test function. | |
| 63 var comment_lines = 29; | |
| 64 | |
| 65 // This is the last position in the entire file (note: this equals | |
| 66 // file size of <debug-sourceinfo.js> - 1, since starting at 0). | |
| 67 var last_position = 14312; | |
| 68 // This is the last line of entire file (note: starting at 0). | |
| 69 var last_line = 351; | |
| 70 // This is the last column of last line (note: starting at 0 and +2, due | |
| 71 // to trailing <CR><LF>). | |
| 72 var last_column = 2; | |
| 73 | |
| 74 // This magic number is the length or the first line comment (actually number | |
| 75 // of characters before 'function a(...'. | |
| 76 var comment_line_length = 1726; | |
| 77 var start_a = 10 + comment_line_length; | |
| 78 var start_b = 37 + comment_line_length; | |
| 79 var start_c = 71 + comment_line_length; | |
| 80 var start_d = 163 + comment_line_length; | |
| 81 | |
| 82 // The position of the first line of d(), i.e. "x = 1 ;". | |
| 83 var start_code_d = start_d + 7; | |
| 84 // The line # of the first line of d() (note: starting at 0). | |
| 85 var start_line_d = 41; | |
| 86 var line_length_d = 11; | |
| 87 var num_lines_d = 15; | |
| 88 | |
| 89 assertEquals(start_a, Debug.sourcePosition(a)); | |
| 90 assertEquals(start_b, Debug.sourcePosition(b)); | |
| 91 assertEquals(start_c, Debug.sourcePosition(c)); | |
| 92 assertEquals(start_d, Debug.sourcePosition(d)); | |
| 93 | |
| 94 var script = Debug.findScript(a); | |
| 95 assertTrue(script.data === Debug.findScript(b).data); | |
| 96 assertTrue(script.data === Debug.findScript(c).data); | |
| 97 assertTrue(script.data === Debug.findScript(d).data); | |
| 98 assertTrue(script.source === Debug.findScript(b).source); | |
| 99 assertTrue(script.source === Debug.findScript(c).source); | |
| 100 assertTrue(script.source === Debug.findScript(d).source); | |
| 101 | |
| 102 // Test that when running through source positions the position, line and | |
| 103 // column progresses as expected. | |
| 104 var position; | |
| 105 var line; | |
| 106 var column; | |
| 107 for (var p = 0; p < 100; p++) { | |
| 108 var location = script.locationFromPosition(p); | |
| 109 if (p > 0) { | |
| 110 assertEquals(position + 1, location.position); | |
| 111 if (line == location.line) { | |
| 112 assertEquals(column + 1, location.column); | |
| 113 } else { | |
| 114 assertEquals(line + 1, location.line); | |
| 115 assertEquals(0, location.column); | |
| 116 } | |
| 117 } else { | |
| 118 assertEquals(0, location.position); | |
| 119 assertEquals(0, location.line); | |
| 120 assertEquals(0, location.column); | |
| 121 } | |
| 122 | |
| 123 // Remember the location. | |
| 124 position = location.position; | |
| 125 line = location.line; | |
| 126 column = location.column; | |
| 127 } | |
| 128 | |
| 129 // Every line of d() is the same length. Verify we can loop through all | |
| 130 // positions and find the right line # for each. | |
| 131 var p = start_code_d; | |
| 132 for (line = 0; line < num_lines_d; line++) { | |
| 133 for (column = 0; column < line_length_d; column++) { | |
| 134 var location = script.locationFromPosition(p); | |
| 135 assertEquals(p, location.position); | |
| 136 assertEquals(start_line_d + line, location.line); | |
| 137 assertEquals(column, location.column); | |
| 138 p++; | |
| 139 } | |
| 140 } | |
| 141 | |
| 142 // Test first position. | |
| 143 assertEquals(0, script.locationFromPosition(0).position); | |
| 144 assertEquals(0, script.locationFromPosition(0).line); | |
| 145 assertEquals(0, script.locationFromPosition(0).column); | |
| 146 | |
| 147 // Test second position. | |
| 148 assertEquals(1, script.locationFromPosition(1).position); | |
| 149 assertEquals(0, script.locationFromPosition(1).line); | |
| 150 assertEquals(1, script.locationFromPosition(1).column); | |
| 151 | |
| 152 // Test first position in function a(). | |
| 153 assertEquals(start_a, script.locationFromPosition(start_a).position); | |
| 154 assertEquals(0, script.locationFromPosition(start_a).line - comment_lines); | |
| 155 assertEquals(10, script.locationFromPosition(start_a).column); | |
| 156 | |
| 157 // Test first position in function b(). | |
| 158 assertEquals(start_b, script.locationFromPosition(start_b).position); | |
| 159 assertEquals(1, script.locationFromPosition(start_b).line - comment_lines); | |
| 160 assertEquals(13, script.locationFromPosition(start_b).column); | |
| 161 | |
| 162 // Test first position in function c(). | |
| 163 assertEquals(start_c, script.locationFromPosition(start_c).position); | |
| 164 assertEquals(4, script.locationFromPosition(start_c).line - comment_lines); | |
| 165 assertEquals(12, script.locationFromPosition(start_c).column); | |
| 166 | |
| 167 // Test first position in function d(). | |
| 168 assertEquals(start_d, script.locationFromPosition(start_d).position); | |
| 169 assertEquals(11, script.locationFromPosition(start_d).line - comment_lines); | |
| 170 assertEquals(10, script.locationFromPosition(start_d).column); | |
| 171 | |
| 172 // Test first line. | |
| 173 assertEquals(0, script.locationFromLine().position); | |
| 174 assertEquals(0, script.locationFromLine().line); | |
| 175 assertEquals(0, script.locationFromLine().column); | |
| 176 assertEquals(0, script.locationFromLine(0).position); | |
| 177 assertEquals(0, script.locationFromLine(0).line); | |
| 178 assertEquals(0, script.locationFromLine(0).column); | |
| 179 | |
| 180 // Test first line column 1. | |
| 181 assertEquals(1, script.locationFromLine(0, 1).position); | |
| 182 assertEquals(0, script.locationFromLine(0, 1).line); | |
| 183 assertEquals(1, script.locationFromLine(0, 1).column); | |
| 184 | |
| 185 // Test first line offset 1. | |
| 186 assertEquals(1, script.locationFromLine(0, 0, 1).position); | |
| 187 assertEquals(0, script.locationFromLine(0, 0, 1).line); | |
| 188 assertEquals(1, script.locationFromLine(0, 0, 1).column); | |
| 189 | |
| 190 // Test offset function a(). | |
| 191 assertEquals(start_a, script.locationFromLine(void 0, void 0, start_a).position)
; | |
| 192 assertEquals(0, script.locationFromLine(void 0, void 0, start_a).line - comment_
lines); | |
| 193 assertEquals(10, script.locationFromLine(void 0, void 0, start_a).column); | |
| 194 assertEquals(start_a, script.locationFromLine(0, void 0, start_a).position); | |
| 195 assertEquals(0, script.locationFromLine(0, void 0, start_a).line - comment_lines
); | |
| 196 assertEquals(10, script.locationFromLine(0, void 0, start_a).column); | |
| 197 assertEquals(start_a, script.locationFromLine(0, 0, start_a).position); | |
| 198 assertEquals(0, script.locationFromLine(0, 0, start_a).line - comment_lines); | |
| 199 assertEquals(10, script.locationFromLine(0, 0, start_a).column); | |
| 200 | |
| 201 // Test second line offset function a(). | |
| 202 assertEquals(start_a + 14, script.locationFromLine(1, 0, start_a).position); | |
| 203 assertEquals(1, script.locationFromLine(1, 0, start_a).line - comment_lines); | |
| 204 assertEquals(0, script.locationFromLine(1, 0, start_a).column); | |
| 205 | |
| 206 // Test second line column 2 offset function a(). | |
| 207 assertEquals(start_a + 14 + 2, script.locationFromLine(1, 2, start_a).position); | |
| 208 assertEquals(1, script.locationFromLine(1, 2, start_a).line - comment_lines); | |
| 209 assertEquals(2, script.locationFromLine(1, 2, start_a).column); | |
| 210 | |
| 211 // Test offset function b(). | |
| 212 assertEquals(start_b, script.locationFromLine(0, 0, start_b).position); | |
| 213 assertEquals(1, script.locationFromLine(0, 0, start_b).line - comment_lines); | |
| 214 assertEquals(13, script.locationFromLine(0, 0, start_b).column); | |
| 215 | |
| 216 // Test second line offset function b(). | |
| 217 assertEquals(start_b + 6, script.locationFromLine(1, 0, start_b).position); | |
| 218 assertEquals(2, script.locationFromLine(1, 0, start_b).line - comment_lines); | |
| 219 assertEquals(0, script.locationFromLine(1, 0, start_b).column); | |
| 220 | |
| 221 // Test second line column 11 offset function b(). | |
| 222 assertEquals(start_b + 6 + 11, script.locationFromLine(1, 11, start_b).position)
; | |
| 223 assertEquals(2, script.locationFromLine(1, 11, start_b).line - comment_lines); | |
| 224 assertEquals(11, script.locationFromLine(1, 11, start_b).column); | |
| 225 | |
| 226 // Test second line column 12 offset function b. Second line in b is 11 long | |
| 227 // using column 12 wraps to next line. | |
| 228 assertEquals(start_b + 6 + 12, script.locationFromLine(1, 12, start_b).position)
; | |
| 229 assertEquals(3, script.locationFromLine(1, 12, start_b).line - comment_lines); | |
| 230 assertEquals(0, script.locationFromLine(1, 12, start_b).column); | |
| 231 | |
| 232 // Test the Debug.findSourcePosition which wraps SourceManager. | |
| 233 assertEquals(0 + start_a, Debug.findFunctionSourceLocation(a, 0, 0).position); | |
| 234 assertEquals(0 + start_b, Debug.findFunctionSourceLocation(b, 0, 0).position); | |
| 235 assertEquals(6 + start_b, Debug.findFunctionSourceLocation(b, 1, 0).position); | |
| 236 assertEquals(8 + start_b, Debug.findFunctionSourceLocation(b, 1, 2).position); | |
| 237 assertEquals(18 + start_b, Debug.findFunctionSourceLocation(b, 2, 0).position); | |
| 238 assertEquals(0 + start_c, Debug.findFunctionSourceLocation(c, 0, 0).position); | |
| 239 assertEquals(7 + start_c, Debug.findFunctionSourceLocation(c, 1, 0).position); | |
| 240 assertEquals(21 + start_c, Debug.findFunctionSourceLocation(c, 2, 0).position); | |
| 241 assertEquals(38 + start_c, Debug.findFunctionSourceLocation(c, 3, 0).position); | |
| 242 assertEquals(52 + start_c, Debug.findFunctionSourceLocation(c, 4, 0).position); | |
| 243 assertEquals(69 + start_c, Debug.findFunctionSourceLocation(c, 5, 0).position); | |
| 244 assertEquals(76 + start_c, Debug.findFunctionSourceLocation(c, 6, 0).position); | |
| 245 assertEquals(0 + start_d, Debug.findFunctionSourceLocation(d, 0, 0).position); | |
| 246 assertEquals(7 + start_d, Debug.findFunctionSourceLocation(d, 1, 0).position); | |
| 247 for (i = 1; i <= num_lines_d; i++) { | |
| 248 assertEquals(7 + (i * line_length_d) + start_d, Debug.findFunctionSourceLocati
on(d, (i + 1), 0).position); | |
| 249 } | |
| 250 assertEquals(175 + start_d, Debug.findFunctionSourceLocation(d, 17, 0).position)
; | |
| 251 | |
| 252 // Make sure invalid inputs work properly. | |
| 253 assertEquals(0, script.locationFromPosition(-1).line); | |
| 254 assertEquals(null, script.locationFromPosition(last_position + 1)); | |
| 255 | |
| 256 // Test last position. | |
| 257 assertEquals(last_position, script.locationFromPosition(last_position).position)
; | |
| 258 assertEquals(last_line, script.locationFromPosition(last_position).line); | |
| 259 assertEquals(last_column, script.locationFromPosition(last_position).column); | |
| 260 | |
| 261 // Test source line and restriction. All the following tests start from line 1 | |
| 262 // column 2 in function b, which is the call to c. | |
| 263 // c(true); | |
| 264 // ^ | |
| 265 | |
| 266 var location; | |
| 267 | |
| 268 location = script.locationFromLine(1, 0, start_b); | |
| 269 assertEquals(' c(true);', location.sourceText()); | |
| 270 | |
| 271 result = ['c', ' c', ' c(', ' c(', ' c(t'] | |
| 272 for (var i = 1; i <= 5; i++) { | |
| 273 location = script.locationFromLine(1, 2, start_b); | |
| 274 location.restrict(i); | |
| 275 assertEquals(result[i - 1], location.sourceText()); | |
| 276 } | |
| 277 | |
| 278 location = script.locationFromLine(1, 2, start_b); | |
| 279 location.restrict(1, 0); | |
| 280 assertEquals('c', location.sourceText()); | |
| 281 | |
| 282 location = script.locationFromLine(1, 2, start_b); | |
| 283 location.restrict(2, 0); | |
| 284 assertEquals('c(', location.sourceText()); | |
| 285 | |
| 286 location = script.locationFromLine(1, 2, start_b); | |
| 287 location.restrict(2, 1); | |
| 288 assertEquals(' c', location.sourceText()); | |
| 289 | |
| 290 location = script.locationFromLine(1, 2, start_b); | |
| 291 location.restrict(2, 2); | |
| 292 assertEquals(' c', location.sourceText()); | |
| 293 | |
| 294 location = script.locationFromLine(1, 2, start_b); | |
| 295 location.restrict(2, 3); | |
| 296 assertEquals(' c', location.sourceText()); | |
| 297 | |
| 298 location = script.locationFromLine(1, 2, start_b); | |
| 299 location.restrict(3, 1); | |
| 300 assertEquals(' c(', location.sourceText()); | |
| 301 | |
| 302 location = script.locationFromLine(1, 2, start_b); | |
| 303 location.restrict(5, 0); | |
| 304 assertEquals('c(tru', location.sourceText()); | |
| 305 | |
| 306 location = script.locationFromLine(1, 2, start_b); | |
| 307 location.restrict(5, 2); | |
| 308 assertEquals(' c(t', location.sourceText()); | |
| 309 | |
| 310 location = script.locationFromLine(1, 2, start_b); | |
| 311 location.restrict(5, 4); | |
| 312 assertEquals(' c(t', location.sourceText()); | |
| 313 | |
| 314 // All the following tests start from line 1 column 10 in function b, which is | |
| 315 // the final character. | |
| 316 // c(true); | |
| 317 // ^ | |
| 318 | |
| 319 location = script.locationFromLine(1, 10, start_b); | |
| 320 location.restrict(5, 0); | |
| 321 assertEquals('rue);', location.sourceText()); | |
| 322 | |
| 323 location = script.locationFromLine(1, 10, start_b); | |
| 324 location.restrict(7, 0); | |
| 325 assertEquals('(true);', location.sourceText()); | |
| 326 | |
| 327 // All the following tests start from line 1 column 0 in function b, which is | |
| 328 // the first character. | |
| 329 // c(true); | |
| 330 //^ | |
| 331 | |
| 332 location = script.locationFromLine(1, 0, start_b); | |
| 333 location.restrict(5, 0); | |
| 334 assertEquals(' c(t', location.sourceText()); | |
| 335 | |
| 336 location = script.locationFromLine(1, 0, start_b); | |
| 337 location.restrict(5, 4); | |
| 338 assertEquals(' c(t', location.sourceText()); | |
| 339 | |
| 340 location = script.locationFromLine(1, 0, start_b); | |
| 341 location.restrict(7, 0); | |
| 342 assertEquals(' c(tru', location.sourceText()); | |
| 343 | |
| 344 location = script.locationFromLine(1, 0, start_b); | |
| 345 location.restrict(7, 6); | |
| 346 assertEquals(' c(tru', location.sourceText()); | |
| 347 | |
| 348 // Test that script.sourceLine(line) works. | |
| 349 for (line = 0; line < num_lines_d; line++) { | |
| 350 var line_content_regexp = new RegExp(" x = " + (line + 1)); | |
| 351 assertTrue(line_content_regexp.test(script.sourceLine(start_line_d + line))); | |
| 352 } | |
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