jscoverage/trunk/highlight.cpp

/*
    highlight.c - JavaScript syntax highlighting
    Copyright (C) 2008, 2009 siliconforks.com

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License along
    with this program; if not, write to the Free Software Foundation, Inc.,
    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/

#include <config.h>

#include "highlight.h"

#include <assert.h>
#include <stdlib.h>
#include <string.h>

#include <jslock.h>
#include <jsscan.h>

#include "util.h"

enum Class {
  CLASS_NONE,
  CLASS_COMMENT,
  CLASS_REGEXP,
  CLASS_NUMBER,
  CLASS_STRING,
  CLASS_SPECIALCHAR,
  CLASS_KEYWORD,
  CLASS_TYPE,
  CLASS_SYMBOL,
  CLASS_CBRACKET
};

static const char * get_class_name(enum Class class) {
  switch (class) {
  case CLASS_NONE:
    abort();
    break;
  case CLASS_COMMENT:
    return "c";
    break;
  case CLASS_REGEXP:
    return "s";
    break;
  case CLASS_NUMBER:
    return "s";
    break;
  case CLASS_STRING:
    return "s";
    break;
  case CLASS_SPECIALCHAR:
    return "t";
    break;
  case CLASS_KEYWORD:
    return "k";
    break;
  case CLASS_TYPE:
    return "k";
    break;
  case CLASS_SYMBOL:
    return "k";
    break;
  case CLASS_CBRACKET:
    return "k";
    break;
  default:
    abort();
    break;
  }
}

static const char * g_id;
static const jschar * g_characters;
static size_t g_num_characters;
static Stream * g_output;
static size_t character_offset;
static uint16_t line_num;
static uint16_t column_num;
static enum Class current_class;

static void output_character(jschar c, enum Class class) {
  if (c == '\r' || c == '\n' || c == 0x2028 || c == 0x2029) {
    class = CLASS_NONE;
  }

  if (class != current_class) {
    /* output the end tag */
    if (current_class != CLASS_NONE) {
      Stream_write_string(g_output, "</span>");
    }

    current_class = class;

    /* output the start tag */
    if (current_class != CLASS_NONE) {
      Stream_printf(g_output, "<span class=\"%s\">", get_class_name(class));
    }
  }

  if (column_num == UINT16_MAX) {
    fatal("%s: script contains a line with more than 65,535 columns", g_id);
  }
  column_num++;
  switch (c) {
  case '&':
    Stream_write_string(g_output, "&amp;");
    break;
  case '<':
    Stream_write_string(g_output, "&lt;");
    break;
  case '>':
    Stream_write_string(g_output, "&gt;");
    break;
  case '\t':
    Stream_write_char(g_output, c);
    break;
  case '\r':
  case '\n':
  case 0x2028:
  case 0x2029:
    if (c == '\r' && character_offset + 1 < g_num_characters && g_characters[character_offset + 1] == '\n') {
      break;
    }
    Stream_write_char(g_output, '\n');
    column_num = 0;
    if (line_num == UINT16_MAX) {
      fatal("%s: script contains more than 65,535 lines", g_id);
    }
    line_num++;
    break;
  default:
    if (32 <= c && c <= 126) {
      Stream_write_char(g_output, c);
    }
    else {
      Stream_printf(g_output, "&#%d;", c);
    }
    break;
  }
  character_offset++;
}

static void mark_nontoken_chars(uint16_t end_line, uint16_t end_column) {
  enum State {
    STATE_NORMAL,
    STATE_LINE_COMMENT,
    STATE_MULTILINE_COMMENT
  };

  enum State state = STATE_NORMAL;
  while (character_offset < g_num_characters) {
    if (end_line != 0 && line_num > end_line) {
      break;
    }
    else if (line_num == end_line && column_num >= end_column) {
      break;
    }

    jschar c = g_characters[character_offset];
    if (c == '\0') {
      fatal("%s: script contains NULL character", g_id);
    }

    switch (state) {
    case STATE_NORMAL:
      if (c == '/' && character_offset + 1 < g_num_characters && g_characters[character_offset + 1] == '/') {
        state = STATE_LINE_COMMENT;
      }
      else if (c == '/' && character_offset + 1 < g_num_characters && g_characters[character_offset + 1] == '*') {
        state = STATE_MULTILINE_COMMENT;
        output_character('/', CLASS_COMMENT);
        output_character('*', CLASS_COMMENT);
        continue;
      }
      break;
    case STATE_LINE_COMMENT:
      if (c == '\r' || c == '\n' || c == 0x2028 || c == 0x2029) {
        state = STATE_NORMAL;
      }
      break;
    case STATE_MULTILINE_COMMENT:
      if (c == '*' && character_offset + 1 < g_num_characters && g_characters[character_offset + 1] == '/') {
        output_character('*', CLASS_COMMENT);
        output_character('/', CLASS_COMMENT);
        state = STATE_NORMAL;
        continue;
      }
      break;
    }

    if (state == STATE_NORMAL) {
      output_character(c, CLASS_NONE);
    }
    else {
      output_character(c, CLASS_COMMENT);
    }
  }
}

void jscoverage_highlight_js(JSContext * context, const char * id, const jschar * characters, size_t num_characters, Stream * output) {
  g_id = id;
  g_characters = characters;
  g_num_characters = num_characters;
  g_output = output;

  character_offset = 0;
  line_num = 1;
  column_num = 0;
  current_class = CLASS_NONE;

  /* tokenize the JavaScript */
  JSTokenStream token_stream;
  if (! js_InitTokenStream(context, &token_stream, characters, num_characters, NULL, NULL, 1)) {
    fatal("cannot create token stream from JavaScript file %s", id);
  }

  for (;;) {
    JSTokenType tt = js_GetToken(context, &token_stream);

    if (tt == TOK_ERROR) {
      fatal("JavaScript parse error: %s: line = %d, col = %d\n", id, line_num, column_num);
    }

    if (tt == TOK_EOF) {
      mark_nontoken_chars(0, 0);
      break;
    }

    /* mark the chars before the token */
    JSToken t = CURRENT_TOKEN(&token_stream);
    mark_nontoken_chars(t.pos.begin.lineno, t.pos.begin.index);

    /* mark the token */
    enum Class class;
    switch (tt) {
    case TOK_ERROR:
    case TOK_EOF:
      abort();
    case TOK_EOL:
      class = CLASS_NONE;
      token_stream.flags |= TSF_OPERAND;
      break;
    case TOK_SEMI:
    case TOK_COMMA:
    case TOK_ASSIGN:
    case TOK_HOOK:
    case TOK_COLON:
    case TOK_OR:
    case TOK_AND:
    case TOK_BITOR:
    case TOK_BITXOR:
    case TOK_BITAND:
    case TOK_EQOP:
    case TOK_RELOP:
    case TOK_SHOP:
    case TOK_PLUS:
    case TOK_MINUS:
    case TOK_STAR:
    case TOK_DIVOP:
      class = CLASS_SYMBOL;
      token_stream.flags |= TSF_OPERAND;
      break;
    case TOK_UNARYOP:
      switch (t.t_op) {
      case JSOP_NEG:
      case JSOP_POS:
      case JSOP_NOT:
      case JSOP_BITNOT:
        class = CLASS_SYMBOL;
        token_stream.flags |= TSF_OPERAND;
        break;
      case JSOP_TYPEOF:
        class = CLASS_KEYWORD;
        token_stream.flags |= TSF_OPERAND;
        break;
      case JSOP_VOID:
        class = CLASS_TYPE;
        token_stream.flags |= TSF_OPERAND;
        break;
      default:
        abort();
      }
      break;
    case TOK_INC:
    case TOK_DEC:
      class = CLASS_SYMBOL;
      /* token_stream.flags does not change w.r.t. TSF_OPERAND */
      break;
    case TOK_DOT:
    case TOK_LB:
      class = CLASS_SYMBOL;
      token_stream.flags |= TSF_OPERAND;
      break;
    case TOK_RB:
      class = CLASS_SYMBOL;
      token_stream.flags &= ~TSF_OPERAND;
      break;
    case TOK_LC:
      class = CLASS_CBRACKET;
      token_stream.flags |= TSF_OPERAND;
      break;
    case TOK_RC:
      class = CLASS_CBRACKET;
      token_stream.flags &= ~TSF_OPERAND;
      break;
    case TOK_LP:
      class = CLASS_SYMBOL;
      token_stream.flags |= TSF_OPERAND;
      break;
    case TOK_RP:
      class = CLASS_SYMBOL;
      token_stream.flags &= ~TSF_OPERAND;
      break;
    case TOK_NAME:
      class = CLASS_NONE;
      token_stream.flags &= ~TSF_OPERAND;
      if (js_PeekToken(context, &token_stream) == TOK_LP) {
        /* function */
        class = CLASS_NONE;
      }
      break;
    case TOK_NUMBER:
      class = CLASS_NUMBER;
      token_stream.flags &= ~TSF_OPERAND;
      break;
    case TOK_STRING:
      class = CLASS_STRING;
      token_stream.flags &= ~TSF_OPERAND;
      break;
    case TOK_REGEXP:
      class = CLASS_REGEXP;
      token_stream.flags &= ~TSF_OPERAND;
      break;
    case TOK_PRIMARY:
      switch (t.t_op) {
      case JSOP_TRUE:
      case JSOP_FALSE:
      case JSOP_NULL:
      case JSOP_THIS:
        class = CLASS_KEYWORD;
        token_stream.flags &= ~TSF_OPERAND;
        break;
      default:
        abort();
      }
      break;
    case TOK_FUNCTION:
      class = CLASS_KEYWORD;
      token_stream.flags |= TSF_OPERAND;
      break;
    case TOK_IF:
    case TOK_ELSE:
    case TOK_SWITCH:
    case TOK_CASE:
    case TOK_DEFAULT:
    case TOK_WHILE:
    case TOK_DO:
    case TOK_FOR:
    case TOK_BREAK:
    case TOK_CONTINUE:
    case TOK_IN:
    case TOK_VAR:
    case TOK_WITH:
    case TOK_RETURN:
    case TOK_NEW:
    case TOK_DELETE:
      token_stream.flags |= TSF_OPERAND;
      class = CLASS_KEYWORD;
      break;
    case TOK_DEFSHARP:
    case TOK_USESHARP:
      abort();
      break;
    case TOK_TRY:
    case TOK_CATCH:
    case TOK_FINALLY:
    case TOK_THROW:
    case TOK_INSTANCEOF:
    case TOK_DEBUGGER:
      token_stream.flags |= TSF_OPERAND;
      class = CLASS_KEYWORD;
      break;
    case TOK_XMLSTAGO:
    case TOK_XMLETAGO:
    case TOK_XMLPTAGC:
    case TOK_XMLTAGC:
    case TOK_XMLNAME:
    case TOK_XMLATTR:
    case TOK_XMLSPACE:
    case TOK_XMLTEXT:
    case TOK_XMLCOMMENT:
    case TOK_XMLCDATA:
    case TOK_XMLPI:
    case TOK_AT:
    case TOK_DBLCOLON:
    case TOK_ANYNAME:
    case TOK_DBLDOT:
    case TOK_FILTER:
    case TOK_XMLELEM:
    case TOK_XMLLIST:
      abort();
      break;
    case TOK_YIELD:
      token_stream.flags |= TSF_OPERAND;
      class = CLASS_KEYWORD;
      break;
    case TOK_ARRAYCOMP:
    case TOK_ARRAYPUSH:
    case TOK_LEXICALSCOPE:
      abort();
      break;
    case TOK_LET:
      token_stream.flags |= TSF_OPERAND;
      class = CLASS_KEYWORD;
      break;
    case TOK_SEQ:
    case TOK_FORHEAD:
    case TOK_RESERVED:
    case TOK_LIMIT:
      abort();
      break;
    default:
      abort();
      break;
    }

    uint16_t start_line = t.pos.begin.lineno;
    uint16_t end_line = t.pos.end.lineno;
    uint16_t start_column = t.pos.begin.index;
    uint16_t end_column = t.pos.end.index;
    assert(line_num == start_line);
    assert(column_num == start_column);
    if (start_line == end_line && start_column >= end_column) {
      fatal("%s: script contains line with more than 65,535 characters", id);
    }
    for (;;) {
      assert(character_offset < num_characters);
      jschar c = characters[character_offset];
      if (tt == TOK_STRING && c == '\\') {
        output_character(c, CLASS_SPECIALCHAR);
        assert(character_offset < num_characters);
        c = characters[character_offset];
        output_character(c, CLASS_SPECIALCHAR);
      }
      else {
        output_character(c, class);
      }

      if (line_num > end_line) {
        break;
      }
      else if (line_num == end_line && column_num >= end_column) {
        break;
      }
    }

    assert(line_num == end_line);
    assert(column_num = end_column);
  }

  if (current_class != CLASS_NONE) {
    output_character('\n', CLASS_NONE);
  }

  js_CloseTokenStream(context, &token_stream);
}
1	siliconforks	179	/*
2			highlight.c - JavaScript syntax highlighting
3	siliconforks	427	Copyright (C) 2008, 2009 siliconforks.com
4	siliconforks	179
5			This program is free software; you can redistribute it and/or modify
6			it under the terms of the GNU General Public License as published by
7			the Free Software Foundation; either version 2 of the License, or
8			(at your option) any later version.
9
10			This program is distributed in the hope that it will be useful,
11			but WITHOUT ANY WARRANTY; without even the implied warranty of
12			MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13			GNU General Public License for more details.
14
15			You should have received a copy of the GNU General Public License along
16			with this program; if not, write to the Free Software Foundation, Inc.,
17			51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18			*/
19
20			#include <config.h>
21
22			#include "highlight.h"
23
24	siliconforks	213	#include <assert.h>
25	siliconforks	179	#include <stdlib.h>
26			#include <string.h>
27
28			#include <jslock.h>
29			#include <jsscan.h>
30
31			#include "util.h"
32
33			enum Class {
34			CLASS_NONE,
35			CLASS_COMMENT,
36			CLASS_REGEXP,
37			CLASS_NUMBER,
38			CLASS_STRING,
39			CLASS_SPECIALCHAR,
40			CLASS_KEYWORD,
41			CLASS_TYPE,
42			CLASS_SYMBOL,
43			CLASS_CBRACKET
44			};
45
46			static const char * get_class_name(enum Class class) {
47			switch (class) {
48			case CLASS_NONE:
49			abort();
50			break;
51			case CLASS_COMMENT:
52			return "c";
53			break;
54			case CLASS_REGEXP:
55			return "s";
56			break;
57			case CLASS_NUMBER:
58			return "s";
59			break;
60			case CLASS_STRING:
61			return "s";
62			break;
63			case CLASS_SPECIALCHAR:
64			return "t";
65			break;
66			case CLASS_KEYWORD:
67			return "k";
68			break;
69			case CLASS_TYPE:
70			return "k";
71			break;
72			case CLASS_SYMBOL:
73			return "k";
74			break;
75			case CLASS_CBRACKET:
76			return "k";
77			break;
78			default:
79			abort();
80			break;
81			}
82			}
83
84	siliconforks	213	static const char * g_id;
85			static const jschar * g_characters;
86			static size_t g_num_characters;
87			static Stream * g_output;
88			static size_t character_offset;
89			static uint16_t line_num;
90			static uint16_t column_num;
91			static enum Class current_class;
92	siliconforks	179
93	siliconforks	213	static void output_character(jschar c, enum Class class) {
94	siliconforks	347	if (c == '\r' \|\| c == '\n' \|\| c == 0x2028 \|\| c == 0x2029) {
95			class = CLASS_NONE;
96			}
97
98	siliconforks	213	if (class != current_class) {
99			/* output the end tag */
100			if (current_class != CLASS_NONE) {
101			Stream_write_string(g_output, "</span>");
102			}
103
104			current_class = class;
105
106			/* output the start tag */
107			if (current_class != CLASS_NONE) {
108			Stream_printf(g_output, "<span class=\"%s\">", get_class_name(class));
109			}
110	siliconforks	179	}
111
112	siliconforks	347	if (column_num == UINT16_MAX) {
113			fatal("%s: script contains a line with more than 65,535 columns", g_id);
114			}
115			column_num++;
116	siliconforks	213	switch (c) {
117			case '&':
118			Stream_write_string(g_output, "&");
119			break;
120			case '<':
121			Stream_write_string(g_output, "<");
122			break;
123			case '>':
124			Stream_write_string(g_output, ">");
125			break;
126	siliconforks	215	case '\t':
127	siliconforks	213	Stream_write_char(g_output, c);
128			break;
129	siliconforks	347	case '\r':
130			case '\n':
131			case 0x2028:
132			case 0x2029:
133			if (c == '\r' && character_offset + 1 < g_num_characters && g_characters[character_offset + 1] == '\n') {
134			break;
135			}
136			Stream_write_char(g_output, '\n');
137			column_num = 0;
138			if (line_num == UINT16_MAX) {
139			fatal("%s: script contains more than 65,535 lines", g_id);
140			}
141			line_num++;
142			break;
143	siliconforks	213	default:
144	siliconforks	215	if (32 <= c && c <= 126) {
145	siliconforks	213	Stream_write_char(g_output, c);
146	siliconforks	179	}
147	siliconforks	213	else {
148			Stream_printf(g_output, "&#%d;", c);
149			}
150			break;
151	siliconforks	179	}
152	siliconforks	347	character_offset++;
153	siliconforks	179	}
154
155	siliconforks	213	static void mark_nontoken_chars(uint16_t end_line, uint16_t end_column) {
156	siliconforks	179	enum State {
157			STATE_NORMAL,
158			STATE_LINE_COMMENT,
159			STATE_MULTILINE_COMMENT
160			};
161
162			enum State state = STATE_NORMAL;
163	siliconforks	213	while (character_offset < g_num_characters) {
164			if (end_line != 0 && line_num > end_line) {
165			break;
166	siliconforks	179	}
167	siliconforks	213	else if (line_num == end_line && column_num >= end_column) {
168			break;
169	siliconforks	179	}
170
171	siliconforks	213	jschar c = g_characters[character_offset];
172			if (c == '\0') {
173			fatal("%s: script contains NULL character", g_id);
174	siliconforks	179	}
175	siliconforks	213
176			switch (state) {
177			case STATE_NORMAL:
178			if (c == '/' && character_offset + 1 < g_num_characters && g_characters[character_offset + 1] == '/') {
179			state = STATE_LINE_COMMENT;
180	siliconforks	179	}
181	siliconforks	213	else if (c == '/' && character_offset + 1 < g_num_characters && g_characters[character_offset + 1] == '*') {
182			state = STATE_MULTILINE_COMMENT;
183			output_character('/', CLASS_COMMENT);
184			output_character('*', CLASS_COMMENT);
185			continue;
186			}
187			break;
188			case STATE_LINE_COMMENT:
189	siliconforks	179	if (c == '\r' \|\| c == '\n' \|\| c == 0x2028 \|\| c == 0x2029) {
190	siliconforks	213	state = STATE_NORMAL;
191	siliconforks	179	}
192	siliconforks	213	break;
193			case STATE_MULTILINE_COMMENT:
194			if (c == '*' && character_offset + 1 < g_num_characters && g_characters[character_offset + 1] == '/') {
195			output_character('*', CLASS_COMMENT);
196			output_character('/', CLASS_COMMENT);
197			state = STATE_NORMAL;
198			continue;
199	siliconforks	179	}
200	siliconforks	213	break;
201	siliconforks	179	}
202
203	siliconforks	347	if (state == STATE_NORMAL) {
204			output_character(c, CLASS_NONE);
205	siliconforks	179	}
206	siliconforks	213	else {
207	siliconforks	347	output_character(c, CLASS_COMMENT);
208	siliconforks	179	}
209			}
210	siliconforks	213	}
211	siliconforks	179
212	siliconforks	213	void jscoverage_highlight_js(JSContext * context, const char * id, const jschar * characters, size_t num_characters, Stream * output) {
213			g_id = id;
214			g_characters = characters;
215			g_num_characters = num_characters;
216			g_output = output;
217
218			character_offset = 0;
219			line_num = 1;
220			column_num = 0;
221			current_class = CLASS_NONE;
222
223	siliconforks	179	/* tokenize the JavaScript */
224	siliconforks	336	JSTokenStream token_stream;
225			if (! js_InitTokenStream(context, &token_stream, characters, num_characters, NULL, NULL, 1)) {
226	siliconforks	179	fatal("cannot create token stream from JavaScript file %s", id);
227			}
228
229			for (;;) {
230	siliconforks	336	JSTokenType tt = js_GetToken(context, &token_stream);
231	siliconforks	179
232			if (tt == TOK_ERROR) {
233			fatal("JavaScript parse error: %s: line = %d, col = %d\n", id, line_num, column_num);
234			}
235
236			if (tt == TOK_EOF) {
237	siliconforks	213	mark_nontoken_chars(0, 0);
238	siliconforks	179	break;
239			}
240
241			/* mark the chars before the token */
242	siliconforks	336	JSToken t = CURRENT_TOKEN(&token_stream);
243	siliconforks	213	mark_nontoken_chars(t.pos.begin.lineno, t.pos.begin.index);
244	siliconforks	179
245			/* mark the token */
246			enum Class class;
247			switch (tt) {
248			case TOK_ERROR:
249			case TOK_EOF:
250			abort();
251			case TOK_EOL:
252			class = CLASS_NONE;
253	siliconforks	336	token_stream.flags \|= TSF_OPERAND;
254	siliconforks	179	break;
255			case TOK_SEMI:
256			case TOK_COMMA:
257			case TOK_ASSIGN:
258			case TOK_HOOK:
259			case TOK_COLON:
260			case TOK_OR:
261			case TOK_AND:
262			case TOK_BITOR:
263			case TOK_BITXOR:
264			case TOK_BITAND:
265			case TOK_EQOP:
266			case TOK_RELOP:
267			case TOK_SHOP:
268			case TOK_PLUS:
269			case TOK_MINUS:
270			case TOK_STAR:
271			case TOK_DIVOP:
272			class = CLASS_SYMBOL;
273	siliconforks	336	token_stream.flags \|= TSF_OPERAND;
274	siliconforks	179	break;
275			case TOK_UNARYOP:
276			switch (t.t_op) {
277			case JSOP_NEG:
278			case JSOP_POS:
279			case JSOP_NOT:
280			case JSOP_BITNOT:
281			class = CLASS_SYMBOL;
282	siliconforks	336	token_stream.flags \|= TSF_OPERAND;
283	siliconforks	179	break;
284			case JSOP_TYPEOF:
285			class = CLASS_KEYWORD;
286	siliconforks	336	token_stream.flags \|= TSF_OPERAND;
287	siliconforks	179	break;
288			case JSOP_VOID:
289			class = CLASS_TYPE;
290	siliconforks	336	token_stream.flags \|= TSF_OPERAND;
291	siliconforks	179	break;
292			default:
293			abort();
294			}
295			break;
296			case TOK_INC:
297			case TOK_DEC:
298	siliconforks	292	class = CLASS_SYMBOL;
299	siliconforks	336	/* token_stream.flags does not change w.r.t. TSF_OPERAND */
300	siliconforks	292	break;
301	siliconforks	179	case TOK_DOT:
302			case TOK_LB:
303			class = CLASS_SYMBOL;
304	siliconforks	336	token_stream.flags \|= TSF_OPERAND;
305	siliconforks	179	break;
306			case TOK_RB:
307			class = CLASS_SYMBOL;
308	siliconforks	336	token_stream.flags &= ~TSF_OPERAND;
309	siliconforks	179	break;
310			case TOK_LC:
311			class = CLASS_CBRACKET;
312	siliconforks	336	token_stream.flags \|= TSF_OPERAND;
313	siliconforks	179	break;
314			case TOK_RC:
315			class = CLASS_CBRACKET;
316	siliconforks	336	token_stream.flags &= ~TSF_OPERAND;
317	siliconforks	179	break;
318			case TOK_LP:
319			class = CLASS_SYMBOL;
320	siliconforks	336	token_stream.flags \|= TSF_OPERAND;
321	siliconforks	179	break;
322			case TOK_RP:
323			class = CLASS_SYMBOL;
324	siliconforks	336	token_stream.flags &= ~TSF_OPERAND;
325	siliconforks	179	break;
326			case TOK_NAME:
327			class = CLASS_NONE;
328	siliconforks	336	token_stream.flags &= ~TSF_OPERAND;
329			if (js_PeekToken(context, &token_stream) == TOK_LP) {
330	siliconforks	179	/* function */
331			class = CLASS_NONE;
332			}
333			break;
334			case TOK_NUMBER:
335			class = CLASS_NUMBER;
336	siliconforks	336	token_stream.flags &= ~TSF_OPERAND;
337	siliconforks	179	break;
338			case TOK_STRING:
339			class = CLASS_STRING;
340	siliconforks	336	token_stream.flags &= ~TSF_OPERAND;
341	siliconforks	179	break;
342	siliconforks	336	case TOK_REGEXP:
343	siliconforks	179	class = CLASS_REGEXP;
344	siliconforks	336	token_stream.flags &= ~TSF_OPERAND;
345	siliconforks	179	break;
346			case TOK_PRIMARY:
347			switch (t.t_op) {
348			case JSOP_TRUE:
349			case JSOP_FALSE:
350			case JSOP_NULL:
351			case JSOP_THIS:
352			class = CLASS_KEYWORD;
353	siliconforks	336	token_stream.flags &= ~TSF_OPERAND;
354	siliconforks	179	break;
355			default:
356			abort();
357			}
358			break;
359			case TOK_FUNCTION:
360			class = CLASS_KEYWORD;
361	siliconforks	336	token_stream.flags \|= TSF_OPERAND;
362	siliconforks	179	break;
363			case TOK_IF:
364			case TOK_ELSE:
365			case TOK_SWITCH:
366			case TOK_CASE:
367			case TOK_DEFAULT:
368			case TOK_WHILE:
369			case TOK_DO:
370			case TOK_FOR:
371			case TOK_BREAK:
372			case TOK_CONTINUE:
373			case TOK_IN:
374			case TOK_VAR:
375			case TOK_WITH:
376			case TOK_RETURN:
377			case TOK_NEW:
378			case TOK_DELETE:
379	siliconforks	336	token_stream.flags \|= TSF_OPERAND;
380	siliconforks	179	class = CLASS_KEYWORD;
381			break;
382			case TOK_DEFSHARP:
383			case TOK_USESHARP:
384			abort();
385			break;
386			case TOK_TRY:
387			case TOK_CATCH:
388			case TOK_FINALLY:
389			case TOK_THROW:
390			case TOK_INSTANCEOF:
391			case TOK_DEBUGGER:
392	siliconforks	336	token_stream.flags \|= TSF_OPERAND;
393	siliconforks	179	class = CLASS_KEYWORD;
394			break;
395			case TOK_XMLSTAGO:
396			case TOK_XMLETAGO:
397			case TOK_XMLPTAGC:
398			case TOK_XMLTAGC:
399			case TOK_XMLNAME:
400			case TOK_XMLATTR:
401			case TOK_XMLSPACE:
402			case TOK_XMLTEXT:
403			case TOK_XMLCOMMENT:
404			case TOK_XMLCDATA:
405			case TOK_XMLPI:
406			case TOK_AT:
407			case TOK_DBLCOLON:
408			case TOK_ANYNAME:
409			case TOK_DBLDOT:
410			case TOK_FILTER:
411			case TOK_XMLELEM:
412			case TOK_XMLLIST:
413	siliconforks	340	abort();
414			break;
415			case TOK_YIELD:
416			token_stream.flags \|= TSF_OPERAND;
417			class = CLASS_KEYWORD;
418			break;
419			case TOK_ARRAYCOMP:
420			case TOK_ARRAYPUSH:
421			case TOK_LEXICALSCOPE:
422	siliconforks	343	abort();
423	siliconforks	340	break;
424			case TOK_LET:
425			token_stream.flags \|= TSF_OPERAND;
426			class = CLASS_KEYWORD;
427			break;
428	siliconforks	399	case TOK_SEQ:
429			case TOK_FORHEAD:
430	siliconforks	179	case TOK_RESERVED:
431			case TOK_LIMIT:
432			abort();
433			break;
434			default:
435			abort();
436			break;
437			}
438	siliconforks	213
439	siliconforks	347	uint16_t start_line = t.pos.begin.lineno;
440			uint16_t end_line = t.pos.end.lineno;
441			uint16_t start_column = t.pos.begin.index;
442			uint16_t end_column = t.pos.end.index;
443			assert(line_num == start_line);
444			assert(column_num == start_column);
445			if (start_line == end_line && start_column >= end_column) {
446	siliconforks	213	fatal("%s: script contains line with more than 65,535 characters", id);
447			}
448	siliconforks	347	for (;;) {
449	siliconforks	213	assert(character_offset < num_characters);
450			jschar c = characters[character_offset];
451			if (tt == TOK_STRING && c == '\\') {
452			output_character(c, CLASS_SPECIALCHAR);
453			assert(character_offset < num_characters);
454			c = characters[character_offset];
455			output_character(c, CLASS_SPECIALCHAR);
456	siliconforks	179	}
457	siliconforks	213	else {
458			output_character(c, class);
459			}
460	siliconforks	347
461			if (line_num > end_line) {
462			break;
463			}
464			else if (line_num == end_line && column_num >= end_column) {
465			break;
466			}
467	siliconforks	179	}
468
469	siliconforks	347	assert(line_num == end_line);
470			assert(column_num = end_column);
471	siliconforks	179	}
472
473	siliconforks	213	if (current_class != CLASS_NONE) {
474			output_character('\n', CLASS_NONE);
475	siliconforks	179	}
476
477	siliconforks	336	js_CloseTokenStream(context, &token_stream);
478	siliconforks	179	}