/[jscoverage]/trunk/instrument-js.cpp
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Diff of /trunk/instrument-js.cpp

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revision 373 by siliconforks, Mon Oct 27 20:36:44 2008 UTC revision 387 by siliconforks, Thu Oct 30 03:14:12 2008 UTC
# Line 267  Line 267 
267    }    }
268  }  }
269    
270  static void instrument_expression(JSParseNode * node, Stream * f);  static void output_expression(JSParseNode * node, Stream * f, bool parenthesize_object_literals);
271  static void instrument_statement(JSParseNode * node, Stream * f, int indent, bool is_jscoverage_if);  static void instrument_statement(JSParseNode * node, Stream * f, int indent, bool is_jscoverage_if);
272  static void output_statement(JSParseNode * node, Stream * f, int indent, bool is_jscoverage_if);  static void output_statement(JSParseNode * node, Stream * f, int indent, bool is_jscoverage_if);
273    
# Line 284  Line 284 
284      Stream_write_string(f, "each ");      Stream_write_string(f, "each ");
285    }    }
286    Stream_write_char(f, '(');    Stream_write_char(f, '(');
287    instrument_expression(node->pn_left, f);    output_expression(node->pn_left, f, false);
288    Stream_write_char(f, ')');    Stream_write_char(f, ')');
289  }  }
290    
# Line 311  Line 311 
311      p = p->pn_kid;      p = p->pn_kid;
312    }    }
313    
314    instrument_expression(p, f);    output_expression(p, f, false);
315    p = for_node;    p = for_node;
316    while (p->pn_type == TOK_FOR) {    while (p->pn_type == TOK_FOR) {
317      Stream_write_char(f, ' ');      Stream_write_char(f, ' ');
# Line 320  Line 320 
320    }    }
321    if (if_node) {    if (if_node) {
322      Stream_write_string(f, " if (");      Stream_write_string(f, " if (");
323      instrument_expression(if_node->pn_kid1, f);      output_expression(if_node->pn_kid1, f, false);
324      Stream_write_char(f, ')');      Stream_write_char(f, ')');
325    }    }
326  }  }
# Line 381  Line 381 
381          }          }
382        }        }
383        assert(expression != NULL);        assert(expression != NULL);
384        instrument_expression(expression, f);        output_expression(expression, f, false);
385      }      }
386      else {      else {
387        print_string_atom(param, f);        print_string_atom(param, f);
# Line 414  Line 414 
414      }      }
415    }    }
416    
417    Stream_write_string(f, "}\n");    Stream_write_char(f, '}');
418  }  }
419    
420  static void instrument_function_call(JSParseNode * node, Stream * f) {  static void instrument_function_call(JSParseNode * node, Stream * f) {
# Line 433  Line 433 
433        Stream_write_char(f, ')');        Stream_write_char(f, ')');
434        return;        return;
435      }      }
     else {  
       Stream_write_char(f, '(');  
       instrument_expression(function_node, f);  
       Stream_write_char(f, ')');  
     }  
   }  
   else {  
     instrument_expression(function_node, f);  
436    }    }
437      output_expression(function_node, f, false);
438    Stream_write_char(f, '(');    Stream_write_char(f, '(');
439    for (struct JSParseNode * p = function_node->pn_next; p != NULL; p = p->pn_next) {    for (struct JSParseNode * p = function_node->pn_next; p != NULL; p = p->pn_next) {
440      if (p != node->pn_head->pn_next) {      if (p != node->pn_head->pn_next) {
441        Stream_write_string(f, ", ");        Stream_write_string(f, ", ");
442      }      }
443      instrument_expression(p, f);      output_expression(p, f, false);
444    }    }
445    Stream_write_char(f, ')');    Stream_write_char(f, ')');
446  }  }
# Line 455  Line 448 
448  static void instrument_declarations(JSParseNode * list, Stream * f) {  static void instrument_declarations(JSParseNode * list, Stream * f) {
449    assert(list->pn_arity == PN_LIST);    assert(list->pn_arity == PN_LIST);
450    for (JSParseNode * p = list->pn_head; p != NULL; p = p->pn_next) {    for (JSParseNode * p = list->pn_head; p != NULL; p = p->pn_next) {
451      switch (p->pn_type) {      if (p != list->pn_head) {
452      case TOK_NAME:        Stream_write_string(f, ", ");
       assert(p->pn_arity == PN_NAME);  
       if (p != list->pn_head) {  
         Stream_write_string(f, ", ");  
       }  
       print_string_atom(p->pn_atom, f);  
       if (p->pn_expr != NULL) {  
         Stream_write_string(f, " = ");  
         instrument_expression(p->pn_expr, f);  
       }  
       break;  
     case TOK_ASSIGN:  
     case TOK_RB:  
     case TOK_RC:  
       /* destructuring */  
       instrument_expression(p, f);  
       break;  
     default:  
       abort();  
       break;  
453      }      }
454        output_expression(p, f, false);
455    }    }
456  }  }
457    
# Line 493  Line 468 
468  TOK_INSTANCEOF  binary  TOK_INSTANCEOF  binary
469  TOK_IN          binary  TOK_IN          binary
470  */  */
471  static void instrument_expression(JSParseNode * node, Stream * f) {  static void output_expression(JSParseNode * node, Stream * f, bool parenthesize_object_literals) {
472    switch (node->pn_type) {    switch (node->pn_type) {
473    case TOK_FUNCTION:    case TOK_FUNCTION:
474        Stream_write_char(f, '(');
475      instrument_function(node, f, 0, FUNCTION_NORMAL);      instrument_function(node, f, 0, FUNCTION_NORMAL);
476        Stream_write_char(f, ')');
477      break;      break;
478    case TOK_COMMA:    case TOK_COMMA:
479      for (struct JSParseNode * p = node->pn_head; p != NULL; p = p->pn_next) {      for (struct JSParseNode * p = node->pn_head; p != NULL; p = p->pn_next) {
480        if (p != node->pn_head) {        if (p != node->pn_head) {
481          Stream_write_string(f, ", ");          Stream_write_string(f, ", ");
482        }        }
483        instrument_expression(p, f);        output_expression(p, f, parenthesize_object_literals);
484      }      }
485      break;      break;
486    case TOK_ASSIGN:    case TOK_ASSIGN:
487      instrument_expression(node->pn_left, f);      output_expression(node->pn_left, f, parenthesize_object_literals);
488      Stream_write_char(f, ' ');      Stream_write_char(f, ' ');
489      switch (node->pn_op) {      switch (node->pn_op) {
490      case JSOP_ADD:      case JSOP_ADD:
# Line 528  Line 505 
505        break;        break;
506      }      }
507      Stream_write_string(f, "= ");      Stream_write_string(f, "= ");
508      instrument_expression(node->pn_right, f);      output_expression(node->pn_right, f, false);
509      break;      break;
510    case TOK_HOOK:    case TOK_HOOK:
511      instrument_expression(node->pn_kid1, f);      output_expression(node->pn_kid1, f, parenthesize_object_literals);
512      Stream_write_string(f, "? ");      Stream_write_string(f, "? ");
513      instrument_expression(node->pn_kid2, f);      output_expression(node->pn_kid2, f, false);
514      Stream_write_string(f, ": ");      Stream_write_string(f, ": ");
515      instrument_expression(node->pn_kid3, f);      output_expression(node->pn_kid3, f, false);
516      break;      break;
517    case TOK_OR:    case TOK_OR:
518    case TOK_AND:    case TOK_AND:
# Line 551  Line 528 
528    case TOK_DIVOP:    case TOK_DIVOP:
529      switch (node->pn_arity) {      switch (node->pn_arity) {
530      case PN_BINARY:      case PN_BINARY:
531        instrument_expression(node->pn_left, f);        output_expression(node->pn_left, f, parenthesize_object_literals);
532        Stream_printf(f, " %s ", get_op(node->pn_op));        Stream_printf(f, " %s ", get_op(node->pn_op));
533        instrument_expression(node->pn_right, f);        output_expression(node->pn_right, f, false);
534        break;        break;
535      case PN_LIST:      case PN_LIST:
536        for (struct JSParseNode * p = node->pn_head; p != NULL; p = p->pn_next) {        for (struct JSParseNode * p = node->pn_head; p != NULL; p = p->pn_next) {
537          if (p != node->pn_head) {          if (p == node->pn_head) {
538              output_expression(p, f, parenthesize_object_literals);
539            }
540            else {
541            Stream_printf(f, " %s ", get_op(node->pn_op));            Stream_printf(f, " %s ", get_op(node->pn_op));
542              output_expression(p, f, false);
543          }          }
         instrument_expression(p, f);  
544        }        }
545        break;        break;
546      default:      default:
# Line 570  Line 550 
550    case TOK_UNARYOP:    case TOK_UNARYOP:
551      switch (node->pn_op) {      switch (node->pn_op) {
552      case JSOP_NEG:      case JSOP_NEG:
553        Stream_write_char(f, '-');        Stream_write_string(f, "- ");
554        instrument_expression(node->pn_kid, f);        output_expression(node->pn_kid, f, false);
555        break;        break;
556      case JSOP_POS:      case JSOP_POS:
557        Stream_write_char(f, '+');        Stream_write_string(f, "+ ");
558        instrument_expression(node->pn_kid, f);        output_expression(node->pn_kid, f, false);
559        break;        break;
560      case JSOP_NOT:      case JSOP_NOT:
561        Stream_write_char(f, '!');        Stream_write_string(f, "! ");
562        instrument_expression(node->pn_kid, f);        output_expression(node->pn_kid, f, false);
563        break;        break;
564      case JSOP_BITNOT:      case JSOP_BITNOT:
565        Stream_write_char(f, '~');        Stream_write_string(f, "~ ");
566        instrument_expression(node->pn_kid, f);        output_expression(node->pn_kid, f, false);
567        break;        break;
568      case JSOP_TYPEOF:      case JSOP_TYPEOF:
569        Stream_write_string(f, "typeof ");        Stream_write_string(f, "typeof ");
570        instrument_expression(node->pn_kid, f);        output_expression(node->pn_kid, f, false);
571        break;        break;
572      case JSOP_VOID:      case JSOP_VOID:
573        Stream_write_string(f, "void ");        Stream_write_string(f, "void ");
574        instrument_expression(node->pn_kid, f);        output_expression(node->pn_kid, f, false);
575        break;        break;
576      default:      default:
577        fatal_source(file_id, node->pn_pos.begin.lineno, "unknown operator (%d)", node->pn_op);        fatal_source(file_id, node->pn_pos.begin.lineno, "unknown operator (%d)", node->pn_op);
# Line 608  Line 588 
588      case JSOP_INCPROP:      case JSOP_INCPROP:
589      case JSOP_INCELEM:      case JSOP_INCELEM:
590        Stream_write_string(f, "++");        Stream_write_string(f, "++");
591        instrument_expression(node->pn_kid, f);        output_expression(node->pn_kid, f, false);
592        break;        break;
593      case JSOP_DECNAME:      case JSOP_DECNAME:
594      case JSOP_DECPROP:      case JSOP_DECPROP:
595      case JSOP_DECELEM:      case JSOP_DECELEM:
596        Stream_write_string(f, "--");        Stream_write_string(f, "--");
597        instrument_expression(node->pn_kid, f);        output_expression(node->pn_kid, f, false);
598        break;        break;
599      case JSOP_NAMEINC:      case JSOP_NAMEINC:
600      case JSOP_PROPINC:      case JSOP_PROPINC:
601      case JSOP_ELEMINC:      case JSOP_ELEMINC:
602        instrument_expression(node->pn_kid, f);        output_expression(node->pn_kid, f, parenthesize_object_literals);
603        Stream_write_string(f, "++");        Stream_write_string(f, "++");
604        break;        break;
605      case JSOP_NAMEDEC:      case JSOP_NAMEDEC:
606      case JSOP_PROPDEC:      case JSOP_PROPDEC:
607      case JSOP_ELEMDEC:      case JSOP_ELEMDEC:
608        instrument_expression(node->pn_kid, f);        output_expression(node->pn_kid, f, parenthesize_object_literals);
609        Stream_write_string(f, "--");        Stream_write_string(f, "--");
610        break;        break;
611      default:      default:
# Line 639  Line 619 
619      break;      break;
620    case TOK_DELETE:    case TOK_DELETE:
621      Stream_write_string(f, "delete ");      Stream_write_string(f, "delete ");
622      instrument_expression(node->pn_kid, f);      output_expression(node->pn_kid, f, false);
623      break;      break;
624    case TOK_DOT:    case TOK_DOT:
625        /* numeric literals must be parenthesized */
626        switch (node->pn_expr->pn_type) {
627        case TOK_NUMBER:
628          Stream_write_char(f, '(');
629          output_expression(node->pn_expr, f, false);
630          Stream_write_char(f, ')');
631          break;
632        default:
633          output_expression(node->pn_expr, f, true);
634          break;
635        }
636      /*      /*
637      This may have originally been x['foo-bar'].  Because the string 'foo-bar'      This may have originally been x['foo-bar'].  Because the string 'foo-bar'
638      contains illegal characters, we have to use the subscript syntax instead of      contains illegal characters, we have to use the subscript syntax instead of
639      the dot syntax.      the dot syntax.
640      */      */
     instrument_expression(node->pn_expr, f);  
641      assert(ATOM_IS_STRING(node->pn_atom));      assert(ATOM_IS_STRING(node->pn_atom));
642      {      {
643        JSString * s = ATOM_TO_STRING(node->pn_atom);        JSString * s = ATOM_TO_STRING(node->pn_atom);
# Line 676  Line 666 
666      }      }
667      break;      break;
668    case TOK_LB:    case TOK_LB:
669      instrument_expression(node->pn_left, f);      output_expression(node->pn_left, f, false);
670      Stream_write_char(f, '[');      Stream_write_char(f, '[');
671      instrument_expression(node->pn_right, f);      output_expression(node->pn_right, f, false);
672      Stream_write_char(f, ']');      Stream_write_char(f, ']');
673      break;      break;
674    case TOK_LP:    case TOK_LP:
# Line 692  Line 682 
682        }        }
683        /* TOK_COMMA is a special case: a hole in the array */        /* TOK_COMMA is a special case: a hole in the array */
684        if (p->pn_type != TOK_COMMA) {        if (p->pn_type != TOK_COMMA) {
685          instrument_expression(p, f);          output_expression(p, f, false);
686        }        }
687      }      }
688      if (node->pn_extra == PNX_ENDCOMMA) {      if (node->pn_extra == PNX_ENDCOMMA) {
# Line 701  Line 691 
691      Stream_write_char(f, ']');      Stream_write_char(f, ']');
692      break;      break;
693    case TOK_RC:    case TOK_RC:
694        if (parenthesize_object_literals) {
695          Stream_write_char(f, '(');
696        }
697      Stream_write_char(f, '{');      Stream_write_char(f, '{');
698      for (struct JSParseNode * p = node->pn_head; p != NULL; p = p->pn_next) {      for (struct JSParseNode * p = node->pn_head; p != NULL; p = p->pn_next) {
699        if (p->pn_type != TOK_COLON) {        if (p->pn_type != TOK_COLON) {
# Line 720  Line 713 
713          else {          else {
714            Stream_write_string(f, "set ");            Stream_write_string(f, "set ");
715          }          }
716          instrument_expression(p->pn_left, f);          output_expression(p->pn_left, f, false);
717          if (p->pn_right->pn_type != TOK_FUNCTION) {          if (p->pn_right->pn_type != TOK_FUNCTION) {
718            fatal_source(file_id, p->pn_pos.begin.lineno, "expected function");            fatal_source(file_id, p->pn_pos.begin.lineno, "expected function");
719          }          }
720          instrument_function(p->pn_right, f, 0, FUNCTION_GETTER_OR_SETTER);          instrument_function(p->pn_right, f, 0, FUNCTION_GETTER_OR_SETTER);
721          break;          break;
722        default:        default:
723          instrument_expression(p->pn_left, f);          output_expression(p->pn_left, f, false);
724          Stream_write_string(f, ": ");          Stream_write_string(f, ": ");
725          instrument_expression(p->pn_right, f);          output_expression(p->pn_right, f, false);
726          break;          break;
727        }        }
728      }      }
729      Stream_write_char(f, '}');      Stream_write_char(f, '}');
730        if (parenthesize_object_literals) {
731          Stream_write_char(f, ')');
732        }
733      break;      break;
734    case TOK_RP:    case TOK_RP:
735      Stream_write_char(f, '(');      Stream_write_char(f, '(');
736      instrument_expression(node->pn_kid, f);      output_expression(node->pn_kid, f, false);
737      Stream_write_char(f, ')');      Stream_write_char(f, ')');
738      break;      break;
739    case TOK_NAME:    case TOK_NAME:
740      print_string_atom(node->pn_atom, f);      print_string_atom(node->pn_atom, f);
741        if (node->pn_expr != NULL) {
742          Stream_write_string(f, " = ");
743          output_expression(node->pn_expr, f, false);
744        }
745      break;      break;
746    case TOK_STRING:    case TOK_STRING:
747      print_quoted_string_atom(node->pn_atom, f);      print_quoted_string_atom(node->pn_atom, f);
# Line 789  Line 789 
789      }      }
790      break;      break;
791    case TOK_INSTANCEOF:    case TOK_INSTANCEOF:
792      instrument_expression(node->pn_left, f);      output_expression(node->pn_left, f, parenthesize_object_literals);
793      Stream_write_string(f, " instanceof ");      Stream_write_string(f, " instanceof ");
794      instrument_expression(node->pn_right, f);      output_expression(node->pn_right, f, false);
795      break;      break;
796    case TOK_IN:    case TOK_IN:
797      instrument_expression(node->pn_left, f);      output_expression(node->pn_left, f, false);
798      Stream_write_string(f, " in ");      Stream_write_string(f, " in ");
799      instrument_expression(node->pn_right, f);      output_expression(node->pn_right, f, false);
800      break;      break;
801    case TOK_LEXICALSCOPE:    case TOK_LEXICALSCOPE:
802      assert(node->pn_arity == PN_NAME);      assert(node->pn_arity == PN_NAME);
# Line 807  Line 807 
807      assert(node->pn_expr->pn_left->pn_arity == PN_LIST);      assert(node->pn_expr->pn_left->pn_arity == PN_LIST);
808      instrument_declarations(node->pn_expr->pn_left, f);      instrument_declarations(node->pn_expr->pn_left, f);
809      Stream_write_string(f, ") ");      Stream_write_string(f, ") ");
810      instrument_expression(node->pn_expr->pn_right, f);      output_expression(node->pn_expr->pn_right, f, true);
811      break;      break;
812    case TOK_YIELD:    case TOK_YIELD:
813      assert(node->pn_arity == PN_UNARY);      assert(node->pn_arity == PN_UNARY);
814      Stream_write_string(f, "yield");      Stream_write_string(f, "yield");
815      if (node->pn_kid != NULL) {      if (node->pn_kid != NULL) {
816        Stream_write_char(f, ' ');        Stream_write_char(f, ' ');
817        instrument_expression(node->pn_kid, f);        output_expression(node->pn_kid, f, true);
818      }      }
819      break;      break;
820    case TOK_ARRAYCOMP:    case TOK_ARRAYCOMP:
# Line 856  Line 856 
856    switch (node->pn_type) {    switch (node->pn_type) {
857    case TOK_FUNCTION:    case TOK_FUNCTION:
858      instrument_function(node, f, indent, FUNCTION_NORMAL);      instrument_function(node, f, indent, FUNCTION_NORMAL);
859        Stream_write_char(f, '\n');
860      break;      break;
861    case TOK_LC:    case TOK_LC:
862      assert(node->pn_arity == PN_LIST);      assert(node->pn_arity == PN_LIST);
# Line 886  Line 887 
887    
888      Stream_printf(f, "%*s", indent, "");      Stream_printf(f, "%*s", indent, "");
889      Stream_write_string(f, "if (");      Stream_write_string(f, "if (");
890      instrument_expression(node->pn_kid1, f);      output_expression(node->pn_kid1, f, false);
891      Stream_write_string(f, ") {\n");      Stream_write_string(f, ") {\n");
892      if (is_jscoverage_if && node->pn_kid3) {      if (is_jscoverage_if && node->pn_kid3) {
893        uint16_t else_start = node->pn_kid3->pn_pos.begin.lineno;        uint16_t else_start = node->pn_kid3->pn_pos.begin.lineno;
# Line 923  Line 924 
924      assert(node->pn_arity == PN_BINARY);      assert(node->pn_arity == PN_BINARY);
925      Stream_printf(f, "%*s", indent, "");      Stream_printf(f, "%*s", indent, "");
926      Stream_write_string(f, "switch (");      Stream_write_string(f, "switch (");
927      instrument_expression(node->pn_left, f);      output_expression(node->pn_left, f, false);
928      Stream_write_string(f, ") {\n");      Stream_write_string(f, ") {\n");
929      {      {
930        JSParseNode * list = node->pn_right;        JSParseNode * list = node->pn_right;
# Line 935  Line 936 
936          switch (p->pn_type) {          switch (p->pn_type) {
937          case TOK_CASE:          case TOK_CASE:
938            Stream_write_string(f, "case ");            Stream_write_string(f, "case ");
939            instrument_expression(p->pn_left, f);            output_expression(p->pn_left, f, false);
940            Stream_write_string(f, ":\n");            Stream_write_string(f, ":\n");
941            break;            break;
942          case TOK_DEFAULT:          case TOK_DEFAULT:
# Line 959  Line 960 
960      assert(node->pn_arity == PN_BINARY);      assert(node->pn_arity == PN_BINARY);
961      Stream_printf(f, "%*s", indent, "");      Stream_printf(f, "%*s", indent, "");
962      Stream_write_string(f, "while (");      Stream_write_string(f, "while (");
963      instrument_expression(node->pn_left, f);      output_expression(node->pn_left, f, false);
964      Stream_write_string(f, ") {\n");      Stream_write_string(f, ") {\n");
965      instrument_statement(node->pn_right, f, indent + 2, false);      instrument_statement(node->pn_right, f, indent + 2, false);
966      Stream_write_string(f, "}\n");      Stream_write_string(f, "}\n");
# Line 972  Line 973 
973      Stream_write_string(f, "}\n");      Stream_write_string(f, "}\n");
974      Stream_printf(f, "%*s", indent, "");      Stream_printf(f, "%*s", indent, "");
975      Stream_write_string(f, "while (");      Stream_write_string(f, "while (");
976      instrument_expression(node->pn_right, f);      output_expression(node->pn_right, f, false);
977      Stream_write_string(f, ");\n");      Stream_write_string(f, ");\n");
978      break;      break;
979    case TOK_FOR:    case TOK_FOR:
# Line 989  Line 990 
990        assert(node->pn_left->pn_arity == PN_TERNARY);        assert(node->pn_left->pn_arity == PN_TERNARY);
991        Stream_write_string(f, "for (");        Stream_write_string(f, "for (");
992        if (node->pn_left->pn_kid1) {        if (node->pn_left->pn_kid1) {
993          instrument_expression(node->pn_left->pn_kid1, f);          output_expression(node->pn_left->pn_kid1, f, false);
994        }        }
995        Stream_write_string(f, ";");        Stream_write_string(f, ";");
996        if (node->pn_left->pn_kid2) {        if (node->pn_left->pn_kid2) {
997          Stream_write_char(f, ' ');          Stream_write_char(f, ' ');
998          instrument_expression(node->pn_left->pn_kid2, f);          output_expression(node->pn_left->pn_kid2, f, false);
999        }        }
1000        Stream_write_string(f, ";");        Stream_write_string(f, ";");
1001        if (node->pn_left->pn_kid3) {        if (node->pn_left->pn_kid3) {
1002          Stream_write_char(f, ' ');          Stream_write_char(f, ' ');
1003          instrument_expression(node->pn_left->pn_kid3, f);          output_expression(node->pn_left->pn_kid3, f, false);
1004        }        }
1005        Stream_write_char(f, ')');        Stream_write_char(f, ')');
1006        break;        break;
# Line 1015  Line 1016 
1016      assert(node->pn_arity == PN_UNARY);      assert(node->pn_arity == PN_UNARY);
1017      Stream_printf(f, "%*s", indent, "");      Stream_printf(f, "%*s", indent, "");
1018      Stream_write_string(f, "throw ");      Stream_write_string(f, "throw ");
1019      instrument_expression(node->pn_u.unary.kid, f);      output_expression(node->pn_u.unary.kid, f, false);
1020      Stream_write_string(f, ";\n");      Stream_write_string(f, ";\n");
1021      break;      break;
1022    case TOK_TRY:    case TOK_TRY:
# Line 1032  Line 1033 
1033          assert(catch->pn_type == TOK_CATCH);          assert(catch->pn_type == TOK_CATCH);
1034          Stream_printf(f, "%*s", indent, "");          Stream_printf(f, "%*s", indent, "");
1035          Stream_write_string(f, "catch (");          Stream_write_string(f, "catch (");
1036          /* this may not be a name - destructuring assignment */          output_expression(catch->pn_kid1, f, false);
         /*  
         assert(catch->pn_kid1->pn_arity == PN_NAME);  
         print_string_atom(catch->pn_kid1->pn_atom, f);  
         */  
         instrument_expression(catch->pn_kid1, f);  
1037          if (catch->pn_kid2) {          if (catch->pn_kid2) {
1038            Stream_write_string(f, " if ");            Stream_write_string(f, " if ");
1039            instrument_expression(catch->pn_kid2, f);            output_expression(catch->pn_kid2, f, false);
1040          }          }
1041          Stream_write_string(f, ") {\n");          Stream_write_string(f, ") {\n");
1042          instrument_statement(catch->pn_kid3, f, indent + 2, false);          instrument_statement(catch->pn_kid3, f, indent + 2, false);
# Line 1075  Line 1071 
1071      assert(node->pn_arity == PN_BINARY);      assert(node->pn_arity == PN_BINARY);
1072      Stream_printf(f, "%*s", indent, "");      Stream_printf(f, "%*s", indent, "");
1073      Stream_write_string(f, "with (");      Stream_write_string(f, "with (");
1074      instrument_expression(node->pn_left, f);      output_expression(node->pn_left, f, false);
1075      Stream_write_string(f, ") {\n");      Stream_write_string(f, ") {\n");
1076      instrument_statement(node->pn_right, f, indent + 2, false);      instrument_statement(node->pn_right, f, indent + 2, false);
1077      Stream_printf(f, "%*s", indent, "");      Stream_printf(f, "%*s", indent, "");
# Line 1083  Line 1079 
1079      break;      break;
1080    case TOK_VAR:    case TOK_VAR:
1081      Stream_printf(f, "%*s", indent, "");      Stream_printf(f, "%*s", indent, "");
1082      instrument_expression(node, f);      output_expression(node, f, false);
1083      Stream_write_string(f, ";\n");      Stream_write_string(f, ";\n");
1084      break;      break;
1085    case TOK_RETURN:    case TOK_RETURN:
# Line 1092  Line 1088 
1088      Stream_write_string(f, "return");      Stream_write_string(f, "return");
1089      if (node->pn_kid != NULL) {      if (node->pn_kid != NULL) {
1090        Stream_write_char(f, ' ');        Stream_write_char(f, ' ');
1091        instrument_expression(node->pn_kid, f);        output_expression(node->pn_kid, f, true);
1092      }      }
1093      Stream_write_string(f, ";\n");      Stream_write_string(f, ";\n");
1094      break;      break;
# Line 1100  Line 1096 
1096      assert(node->pn_arity == PN_UNARY);      assert(node->pn_arity == PN_UNARY);
1097      Stream_printf(f, "%*s", indent, "");      Stream_printf(f, "%*s", indent, "");
1098      if (node->pn_kid != NULL) {      if (node->pn_kid != NULL) {
1099        instrument_expression(node->pn_kid, f);        output_expression(node->pn_kid, f, true);
1100      }      }
1101      Stream_write_string(f, ";\n");      Stream_write_string(f, ";\n");
1102      break;      break;
1103    case TOK_COLON:    case TOK_COLON:
1104      {
1105      assert(node->pn_arity == PN_NAME);      assert(node->pn_arity == PN_NAME);
     /*  
     This one is tricky: can't output instrumentation between the label and the  
     statement it's supposed to label ...  
     */  
1106      Stream_printf(f, "%*s", indent < 2? 0: indent - 2, "");      Stream_printf(f, "%*s", indent < 2? 0: indent - 2, "");
1107      print_string_atom(node->pn_atom, f);      print_string_atom(node->pn_atom, f);
1108      Stream_write_string(f, ":\n");      Stream_write_string(f, ":\n");
1109      /*      JSParseNode * labelled = node->pn_expr;
1110      ... use output_statement instead of instrument_statement.      if (labelled->pn_type == TOK_LEXICALSCOPE) {
1111      */        labelled = labelled->pn_expr;
1112      output_statement(node->pn_expr, f, indent, false);      }
1113        if (labelled->pn_type == TOK_LC) {
1114          /* labelled block */
1115          Stream_printf(f, "%*s", indent, "");
1116          Stream_write_string(f, "{\n");
1117          instrument_statement(labelled, f, indent + 2, false);
1118          Stream_printf(f, "%*s", indent, "");
1119          Stream_write_string(f, "}\n");
1120        }
1121        else {
1122          /*
1123          This one is tricky: can't output instrumentation between the label and the
1124          statement it's supposed to label, so use output_statement instead of
1125          instrument_statement.
1126          */
1127          output_statement(labelled, f, indent, false);
1128        }
1129      break;      break;
1130      }
1131    case TOK_LEXICALSCOPE:    case TOK_LEXICALSCOPE:
1132      /* let statement */      /* let statement */
1133      assert(node->pn_arity == PN_NAME);      assert(node->pn_arity == PN_NAME);
# Line 1160  Line 1170 
1170      case PN_LIST:      case PN_LIST:
1171        /* let definition */        /* let definition */
1172        Stream_printf(f, "%*s", indent, "");        Stream_printf(f, "%*s", indent, "");
1173        instrument_expression(node, f);        output_expression(node, f, false);
1174        Stream_write_string(f, ";\n");        Stream_write_string(f, ";\n");
1175        break;        break;
1176      default:      default:
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