/[jscoverage]/trunk/highlight.c
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revision 330 by siliconforks, Wed Oct 22 23:48:48 2008 UTC revision 336 by siliconforks, Thu Oct 23 20:08:29 2008 UTC
# Line 227  Line 227 
227    current_class = CLASS_NONE;    current_class = CLASS_NONE;
228    
229    /* tokenize the JavaScript */    /* tokenize the JavaScript */
230    JSTokenStream * token_stream = js_NewTokenStream(context, characters, num_characters, NULL, 1, NULL);    JSTokenStream token_stream;
231    if (token_stream == NULL) {    if (! js_InitTokenStream(context, &token_stream, characters, num_characters, NULL, NULL, 1)) {
232      fatal("cannot create token stream from JavaScript file %s", id);      fatal("cannot create token stream from JavaScript file %s", id);
233    }    }
234    
     /* see js_ParseTokenStream in jsparse.c */  
     JSObject * chain = NULL;  
     JSContext * cx = context;  
     JSStackFrame *fp, frame;  
   
     /*  
      * Push a compiler frame if we have no frames, or if the top frame is a  
      * lightweight function activation, or if its scope chain doesn't match  
      * the one passed to us.  
      */  
     fp = cx->fp;  
     if (!fp || !fp->varobj || fp->scopeChain != chain) {  
         memset(&frame, 0, sizeof frame);  
         frame.varobj = frame.scopeChain = chain;  
         if (cx->options & JSOPTION_VAROBJFIX) {  
             while ((chain = JS_GetParent(cx, chain)) != NULL)  
                 frame.varobj = chain;  
         }  
         frame.down = fp;  
         if (fp)  
             frame.flags = fp->flags & (JSFRAME_SPECIAL | JSFRAME_COMPILE_N_GO);  
         cx->fp = &frame;  
     }  
   
     /*  
      * Protect atoms from being collected by a GC activation, which might  
      * - nest on this thread due to out of memory (the so-called "last ditch"  
      *   GC attempted within js_NewGCThing), or  
      * - run for any reason on another thread if this thread is suspended on  
      *   an object lock before it finishes generating bytecode into a script  
      *   protected from the GC by a root or a stack frame reference.  
      */  
     JS_KEEP_ATOMS(cx->runtime);  
   
235    for (;;) {    for (;;) {
236      JSTokenType tt = js_GetToken(context, token_stream);      JSTokenType tt = js_GetToken(context, &token_stream);
237    
238      if (tt == TOK_ERROR) {      if (tt == TOK_ERROR) {
239        fatal("JavaScript parse error: %s: line = %d, col = %d\n", id, line_num, column_num);        fatal("JavaScript parse error: %s: line = %d, col = %d\n", id, line_num, column_num);
# Line 279  Line 245 
245      }      }
246    
247      /* mark the chars before the token */      /* mark the chars before the token */
248      JSToken t = CURRENT_TOKEN(token_stream);      JSToken t = CURRENT_TOKEN(&token_stream);
249      mark_nontoken_chars(t.pos.begin.lineno, t.pos.begin.index);      mark_nontoken_chars(t.pos.begin.lineno, t.pos.begin.index);
250    
251      /* mark the token */      /* mark the token */
# Line 290  Line 256 
256        abort();        abort();
257      case TOK_EOL:      case TOK_EOL:
258        class = CLASS_NONE;        class = CLASS_NONE;
259        token_stream->flags |= TSF_OPERAND;        token_stream.flags |= TSF_OPERAND;
260        break;        break;
261      case TOK_SEMI:      case TOK_SEMI:
262      case TOK_COMMA:      case TOK_COMMA:
# Line 310  Line 276 
276      case TOK_STAR:      case TOK_STAR:
277      case TOK_DIVOP:      case TOK_DIVOP:
278        class = CLASS_SYMBOL;        class = CLASS_SYMBOL;
279        token_stream->flags |= TSF_OPERAND;        token_stream.flags |= TSF_OPERAND;
280        break;        break;
281      case TOK_UNARYOP:      case TOK_UNARYOP:
282        switch (t.t_op) {        switch (t.t_op) {
# Line 319  Line 285 
285        case JSOP_NOT:        case JSOP_NOT:
286        case JSOP_BITNOT:        case JSOP_BITNOT:
287          class = CLASS_SYMBOL;          class = CLASS_SYMBOL;
288          token_stream->flags |= TSF_OPERAND;          token_stream.flags |= TSF_OPERAND;
289          break;          break;
290        case JSOP_TYPEOF:        case JSOP_TYPEOF:
291          class = CLASS_KEYWORD;          class = CLASS_KEYWORD;
292          token_stream->flags |= TSF_OPERAND;          token_stream.flags |= TSF_OPERAND;
293          break;          break;
294        case JSOP_VOID:        case JSOP_VOID:
295          class = CLASS_TYPE;          class = CLASS_TYPE;
296          token_stream->flags |= TSF_OPERAND;          token_stream.flags |= TSF_OPERAND;
297          break;          break;
298        default:        default:
299          abort();          abort();
# Line 336  Line 302 
302      case TOK_INC:      case TOK_INC:
303      case TOK_DEC:      case TOK_DEC:
304        class = CLASS_SYMBOL;        class = CLASS_SYMBOL;
305        /* token_stream->flags does not change w.r.t. TSF_OPERAND */        /* token_stream.flags does not change w.r.t. TSF_OPERAND */
306        break;        break;
307      case TOK_DOT:      case TOK_DOT:
308      case TOK_LB:      case TOK_LB:
309        class = CLASS_SYMBOL;        class = CLASS_SYMBOL;
310        token_stream->flags |= TSF_OPERAND;        token_stream.flags |= TSF_OPERAND;
311        break;        break;
312      case TOK_RB:      case TOK_RB:
313        class = CLASS_SYMBOL;        class = CLASS_SYMBOL;
314        token_stream->flags &= ~TSF_OPERAND;        token_stream.flags &= ~TSF_OPERAND;
315        break;        break;
316      case TOK_LC:      case TOK_LC:
317        class = CLASS_CBRACKET;        class = CLASS_CBRACKET;
318        token_stream->flags |= TSF_OPERAND;        token_stream.flags |= TSF_OPERAND;
319        break;        break;
320      case TOK_RC:      case TOK_RC:
321        class = CLASS_CBRACKET;        class = CLASS_CBRACKET;
322        token_stream->flags &= ~TSF_OPERAND;        token_stream.flags &= ~TSF_OPERAND;
323        break;        break;
324      case TOK_LP:      case TOK_LP:
325        class = CLASS_SYMBOL;        class = CLASS_SYMBOL;
326        token_stream->flags |= TSF_OPERAND;        token_stream.flags |= TSF_OPERAND;
327        break;        break;
328      case TOK_RP:      case TOK_RP:
329        class = CLASS_SYMBOL;        class = CLASS_SYMBOL;
330        token_stream->flags &= ~TSF_OPERAND;        token_stream.flags &= ~TSF_OPERAND;
331        break;        break;
332      case TOK_NAME:      case TOK_NAME:
333        class = CLASS_NONE;        class = CLASS_NONE;
334        token_stream->flags &= ~TSF_OPERAND;        token_stream.flags &= ~TSF_OPERAND;
335        if (js_PeekToken(context, token_stream) == TOK_LP) {        if (js_PeekToken(context, &token_stream) == TOK_LP) {
336          /* function */          /* function */
337          class = CLASS_NONE;          class = CLASS_NONE;
338        }        }
339        break;        break;
340      case TOK_NUMBER:      case TOK_NUMBER:
341        class = CLASS_NUMBER;        class = CLASS_NUMBER;
342        token_stream->flags &= ~TSF_OPERAND;        token_stream.flags &= ~TSF_OPERAND;
343        break;        break;
344      case TOK_STRING:      case TOK_STRING:
345        class = CLASS_STRING;        class = CLASS_STRING;
346        token_stream->flags &= ~TSF_OPERAND;        token_stream.flags &= ~TSF_OPERAND;
347        break;        break;
348      case TOK_OBJECT:      case TOK_REGEXP:
349        class = CLASS_REGEXP;        class = CLASS_REGEXP;
350        token_stream->flags &= ~TSF_OPERAND;        token_stream.flags &= ~TSF_OPERAND;
351        break;        break;
352      case TOK_PRIMARY:      case TOK_PRIMARY:
353        switch (t.t_op) {        switch (t.t_op) {
# Line 390  Line 356 
356        case JSOP_NULL:        case JSOP_NULL:
357        case JSOP_THIS:        case JSOP_THIS:
358          class = CLASS_KEYWORD;          class = CLASS_KEYWORD;
359          token_stream->flags &= ~TSF_OPERAND;          token_stream.flags &= ~TSF_OPERAND;
360          break;          break;
361        default:        default:
362          abort();          abort();
# Line 398  Line 364 
364        break;        break;
365      case TOK_FUNCTION:      case TOK_FUNCTION:
366        class = CLASS_KEYWORD;        class = CLASS_KEYWORD;
367        token_stream->flags |= TSF_OPERAND;        token_stream.flags |= TSF_OPERAND;
       break;  
     case TOK_EXPORT:  
     case TOK_IMPORT:  
       abort();  
368        break;        break;
369      case TOK_IF:      case TOK_IF:
370      case TOK_ELSE:      case TOK_ELSE:
# Line 420  Line 382 
382      case TOK_RETURN:      case TOK_RETURN:
383      case TOK_NEW:      case TOK_NEW:
384      case TOK_DELETE:      case TOK_DELETE:
385        token_stream->flags |= TSF_OPERAND;        token_stream.flags |= TSF_OPERAND;
386        class = CLASS_KEYWORD;        class = CLASS_KEYWORD;
387        break;        break;
388      case TOK_DEFSHARP:      case TOK_DEFSHARP:
# Line 433  Line 395 
395      case TOK_THROW:      case TOK_THROW:
396      case TOK_INSTANCEOF:      case TOK_INSTANCEOF:
397      case TOK_DEBUGGER:      case TOK_DEBUGGER:
398        token_stream->flags |= TSF_OPERAND;        token_stream.flags |= TSF_OPERAND;
399        class = CLASS_KEYWORD;        class = CLASS_KEYWORD;
400        break;        break;
401      case TOK_XMLSTAGO:      case TOK_XMLSTAGO:
# Line 495  Line 457 
457      output_character('\n', CLASS_NONE);      output_character('\n', CLASS_NONE);
458    }    }
459    
460    /* cleanup */    js_CloseTokenStream(context, &token_stream);
   JS_UNKEEP_ATOMS(cx->runtime);  
   context->fp = fp;  
461  }  }
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