26 |
#include <string.h> |
#include <string.h> |
27 |
|
|
28 |
#include <jsapi.h> |
#include <jsapi.h> |
29 |
|
#include <jsarena.h> |
30 |
#include <jsatom.h> |
#include <jsatom.h> |
31 |
|
#include <jsemit.h> |
32 |
|
#include <jsexn.h> |
33 |
#include <jsfun.h> |
#include <jsfun.h> |
34 |
#include <jsinterp.h> |
#include <jsinterp.h> |
35 |
|
#include <jsiter.h> |
36 |
#include <jsparse.h> |
#include <jsparse.h> |
37 |
#include <jsregexp.h> |
#include <jsregexp.h> |
38 |
#include <jsscope.h> |
#include <jsscope.h> |
52 |
struct IfDirective * next; |
struct IfDirective * next; |
53 |
}; |
}; |
54 |
|
|
55 |
|
bool jscoverage_mozilla = false; |
56 |
|
|
57 |
static bool * exclusive_directives = NULL; |
static bool * exclusive_directives = NULL; |
58 |
|
|
59 |
static JSRuntime * runtime = NULL; |
static JSRuntime * runtime = NULL; |
60 |
static JSContext * context = NULL; |
static JSContext * context = NULL; |
61 |
static JSObject * global = NULL; |
static JSObject * global = NULL; |
62 |
|
static JSVersion js_version = JSVERSION_ECMA_3; |
63 |
|
|
64 |
/* |
/* |
65 |
JSParseNode objects store line numbers starting from 1. |
JSParseNode objects store line numbers starting from 1. |
69 |
static char * lines = NULL; |
static char * lines = NULL; |
70 |
static uint16_t num_lines = 0; |
static uint16_t num_lines = 0; |
71 |
|
|
72 |
|
void jscoverage_set_js_version(const char * version) { |
73 |
|
js_version = atoi(version); |
74 |
|
} |
75 |
|
|
76 |
void jscoverage_init(void) { |
void jscoverage_init(void) { |
77 |
runtime = JS_NewRuntime(8L * 1024L * 1024L); |
runtime = JS_NewRuntime(8L * 1024L * 1024L); |
78 |
if (runtime == NULL) { |
if (runtime == NULL) { |
84 |
fatal("cannot create context"); |
fatal("cannot create context"); |
85 |
} |
} |
86 |
|
|
87 |
|
JS_SetVersion(context, js_version); |
88 |
|
|
89 |
global = JS_NewObject(context, NULL, NULL, NULL); |
global = JS_NewObject(context, NULL, NULL, NULL); |
90 |
if (global == NULL) { |
if (global == NULL) { |
91 |
fatal("cannot create global object"); |
fatal("cannot create global object"); |
101 |
JS_DestroyRuntime(runtime); |
JS_DestroyRuntime(runtime); |
102 |
} |
} |
103 |
|
|
104 |
|
static void print_javascript(const jschar * characters, size_t num_characters, Stream * f) { |
105 |
|
for (size_t i = 0; i < num_characters; i++) { |
106 |
|
jschar c = characters[i]; |
107 |
|
/* |
108 |
|
XXX does not handle no-break space, other unicode "space separator" |
109 |
|
*/ |
110 |
|
switch (c) { |
111 |
|
case 0x9: |
112 |
|
case 0xB: |
113 |
|
case 0xC: |
114 |
|
Stream_write_char(f, c); |
115 |
|
break; |
116 |
|
default: |
117 |
|
if (32 <= c && c <= 126) { |
118 |
|
Stream_write_char(f, c); |
119 |
|
} |
120 |
|
else { |
121 |
|
Stream_printf(f, "\\u%04x", c); |
122 |
|
} |
123 |
|
break; |
124 |
|
} |
125 |
|
} |
126 |
|
} |
127 |
|
|
128 |
static void print_string(JSString * s, Stream * f) { |
static void print_string(JSString * s, Stream * f) { |
129 |
size_t length = JSSTRING_LENGTH(s); |
size_t length = JSSTRING_LENGTH(s); |
130 |
jschar * characters = JSSTRING_CHARS(s); |
jschar * characters = JSSTRING_CHARS(s); |
159 |
case 0xa: |
case 0xa: |
160 |
Stream_write_string(f, "\\n"); |
Stream_write_string(f, "\\n"); |
161 |
break; |
break; |
162 |
|
/* IE doesn't support this */ |
163 |
|
/* |
164 |
case 0xb: |
case 0xb: |
165 |
Stream_write_string(f, "\\v"); |
Stream_write_string(f, "\\v"); |
166 |
break; |
break; |
167 |
|
*/ |
168 |
case 0xc: |
case 0xc: |
169 |
Stream_write_string(f, "\\f"); |
Stream_write_string(f, "\\f"); |
170 |
break; |
break; |
211 |
|
|
212 |
static const char * get_op(uint8 op) { |
static const char * get_op(uint8 op) { |
213 |
switch(op) { |
switch(op) { |
214 |
|
case JSOP_OR: |
215 |
|
return "||"; |
216 |
|
case JSOP_AND: |
217 |
|
return "&&"; |
218 |
case JSOP_BITOR: |
case JSOP_BITOR: |
219 |
return "|"; |
return "|"; |
220 |
case JSOP_BITXOR: |
case JSOP_BITXOR: |
225 |
return "=="; |
return "=="; |
226 |
case JSOP_NE: |
case JSOP_NE: |
227 |
return "!="; |
return "!="; |
228 |
case JSOP_NEW_EQ: |
case JSOP_STRICTEQ: |
229 |
return "==="; |
return "==="; |
230 |
case JSOP_NEW_NE: |
case JSOP_STRICTNE: |
231 |
return "!=="; |
return "!=="; |
232 |
case JSOP_LT: |
case JSOP_LT: |
233 |
return "<"; |
return "<"; |
260 |
|
|
261 |
static void instrument_expression(JSParseNode * node, Stream * f); |
static void instrument_expression(JSParseNode * node, Stream * f); |
262 |
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); |
263 |
|
static void output_statement(JSParseNode * node, Stream * f, int indent, bool is_jscoverage_if); |
264 |
|
|
265 |
enum FunctionType { |
enum FunctionType { |
266 |
FUNCTION_NORMAL, |
FUNCTION_NORMAL, |
267 |
FUNCTION_GETTER_OR_SETTER |
FUNCTION_GETTER_OR_SETTER |
268 |
}; |
}; |
269 |
|
|
270 |
|
static void output_for_in(JSParseNode * node, Stream * f) { |
271 |
|
assert(node->pn_type == TOK_FOR); |
272 |
|
assert(node->pn_arity == PN_BINARY); |
273 |
|
Stream_write_string(f, "for "); |
274 |
|
if (node->pn_iflags & JSITER_FOREACH) { |
275 |
|
Stream_write_string(f, "each "); |
276 |
|
} |
277 |
|
Stream_write_char(f, '('); |
278 |
|
instrument_expression(node->pn_left, f); |
279 |
|
Stream_write_char(f, ')'); |
280 |
|
} |
281 |
|
|
282 |
|
static void output_array_comprehension_or_generator_expression(JSParseNode * node, Stream * f) { |
283 |
|
assert(node->pn_type == TOK_LEXICALSCOPE); |
284 |
|
assert(node->pn_arity == PN_NAME); |
285 |
|
JSParseNode * for_node = node->pn_expr; |
286 |
|
assert(for_node->pn_type == TOK_FOR); |
287 |
|
assert(for_node->pn_arity == PN_BINARY); |
288 |
|
JSParseNode * p = for_node; |
289 |
|
while (p->pn_type == TOK_FOR) { |
290 |
|
p = p->pn_right; |
291 |
|
} |
292 |
|
JSParseNode * if_node = NULL; |
293 |
|
if (p->pn_type == TOK_IF) { |
294 |
|
if_node = p; |
295 |
|
assert(if_node->pn_arity == PN_TERNARY); |
296 |
|
p = if_node->pn_kid2; |
297 |
|
} |
298 |
|
assert(p->pn_arity == PN_UNARY); |
299 |
|
p = p->pn_kid; |
300 |
|
if (p->pn_type == TOK_YIELD) { |
301 |
|
/* for generator expressions */ |
302 |
|
p = p->pn_kid; |
303 |
|
} |
304 |
|
|
305 |
|
instrument_expression(p, f); |
306 |
|
p = for_node; |
307 |
|
while (p->pn_type == TOK_FOR) { |
308 |
|
Stream_write_char(f, ' '); |
309 |
|
output_for_in(p, f); |
310 |
|
p = p->pn_right; |
311 |
|
} |
312 |
|
if (if_node) { |
313 |
|
Stream_write_string(f, " if ("); |
314 |
|
instrument_expression(if_node->pn_kid1, f); |
315 |
|
Stream_write_char(f, ')'); |
316 |
|
} |
317 |
|
} |
318 |
|
|
319 |
static void instrument_function(JSParseNode * node, Stream * f, int indent, enum FunctionType type) { |
static void instrument_function(JSParseNode * node, Stream * f, int indent, enum FunctionType type) { |
320 |
|
assert(node->pn_type == TOK_FUNCTION); |
321 |
assert(node->pn_arity == PN_FUNC); |
assert(node->pn_arity == PN_FUNC); |
322 |
assert(ATOM_IS_OBJECT(node->pn_funAtom)); |
JSObject * object = node->pn_funpob->object; |
|
JSObject * object = ATOM_TO_OBJECT(node->pn_funAtom); |
|
323 |
assert(JS_ObjectIsFunction(context, object)); |
assert(JS_ObjectIsFunction(context, object)); |
324 |
JSFunction * function = (JSFunction *) JS_GetPrivate(context, object); |
JSFunction * function = (JSFunction *) JS_GetPrivate(context, object); |
325 |
assert(function); |
assert(function); |
326 |
assert(object == function->object); |
assert(object == &function->object); |
327 |
Stream_printf(f, "%*s", indent, ""); |
Stream_printf(f, "%*s", indent, ""); |
328 |
if (type == FUNCTION_NORMAL) { |
if (type == FUNCTION_NORMAL) { |
329 |
Stream_write_string(f, "function"); |
Stream_write_string(f, "function"); |
335 |
print_string_atom(function->atom, f); |
print_string_atom(function->atom, f); |
336 |
} |
} |
337 |
|
|
338 |
/* function parameters */ |
/* |
339 |
|
function parameters - see JS_DecompileFunction in jsapi.cpp, which calls |
340 |
|
js_DecompileFunction in jsopcode.cpp |
341 |
|
*/ |
342 |
Stream_write_string(f, "("); |
Stream_write_string(f, "("); |
343 |
JSAtom ** params = xnew(JSAtom *, function->nargs); |
JSArenaPool pool; |
344 |
for (int i = 0; i < function->nargs; i++) { |
JS_INIT_ARENA_POOL(&pool, "instrument_function", 256, 1, &context->scriptStackQuota); |
345 |
/* initialize to NULL for sanity check */ |
jsuword * local_names = NULL; |
346 |
params[i] = NULL; |
if (JS_GET_LOCAL_NAME_COUNT(function)) { |
347 |
} |
local_names = js_GetLocalNameArray(context, function, &pool); |
348 |
JSScope * scope = OBJ_SCOPE(object); |
if (local_names == NULL) { |
349 |
for (JSScopeProperty * scope_property = SCOPE_LAST_PROP(scope); scope_property != NULL; scope_property = scope_property->parent) { |
fatal("out of memory"); |
|
if (scope_property->getter != js_GetArgument) { |
|
|
continue; |
|
350 |
} |
} |
|
assert(scope_property->flags & SPROP_HAS_SHORTID); |
|
|
assert((uint16) scope_property->shortid < function->nargs); |
|
|
assert(JSID_IS_ATOM(scope_property->id)); |
|
|
params[(uint16) scope_property->shortid] = JSID_TO_ATOM(scope_property->id); |
|
351 |
} |
} |
352 |
for (int i = 0; i < function->nargs; i++) { |
for (int i = 0; i < function->nargs; i++) { |
|
assert(params[i] != NULL); |
|
353 |
if (i > 0) { |
if (i > 0) { |
354 |
Stream_write_string(f, ", "); |
Stream_write_string(f, ", "); |
355 |
} |
} |
356 |
if (ATOM_IS_STRING(params[i])) { |
JSAtom * param = JS_LOCAL_NAME_TO_ATOM(local_names[i]); |
357 |
print_string_atom(params[i], f); |
if (param == NULL) { |
358 |
|
fatal("unsupported parameter type for function: %s", file_id); |
359 |
} |
} |
360 |
|
print_string_atom(param, f); |
361 |
} |
} |
362 |
|
JS_FinishArenaPool(&pool); |
363 |
Stream_write_string(f, ") {\n"); |
Stream_write_string(f, ") {\n"); |
|
free(params); |
|
364 |
|
|
365 |
/* function body */ |
/* function body */ |
366 |
instrument_statement(node->pn_body, f, indent + 2, false); |
if (function->flags & JSFUN_EXPR_CLOSURE) { |
367 |
|
/* expression closure */ |
368 |
|
output_statement(node->pn_body, f, indent + 2, false); |
369 |
|
} |
370 |
|
else { |
371 |
|
instrument_statement(node->pn_body, f, indent + 2, false); |
372 |
|
} |
373 |
|
|
374 |
Stream_write_string(f, "}\n"); |
Stream_write_string(f, "}\n"); |
375 |
} |
} |
376 |
|
|
377 |
static void instrument_function_call(JSParseNode * node, Stream * f) { |
static void instrument_function_call(JSParseNode * node, Stream * f) { |
378 |
instrument_expression(node->pn_head, f); |
JSParseNode * function_node = node->pn_head; |
379 |
|
if (function_node->pn_type == TOK_FUNCTION) { |
380 |
|
JSObject * object = function_node->pn_funpob->object; |
381 |
|
assert(JS_ObjectIsFunction(context, object)); |
382 |
|
JSFunction * function = (JSFunction *) JS_GetPrivate(context, object); |
383 |
|
assert(function); |
384 |
|
assert(object == &function->object); |
385 |
|
|
386 |
|
if (function_node->pn_flags & TCF_GENEXP_LAMBDA) { |
387 |
|
/* it's a generator expression */ |
388 |
|
Stream_write_char(f, '('); |
389 |
|
output_array_comprehension_or_generator_expression(function_node->pn_body, f); |
390 |
|
Stream_write_char(f, ')'); |
391 |
|
return; |
392 |
|
} |
393 |
|
else { |
394 |
|
Stream_write_char(f, '('); |
395 |
|
instrument_expression(function_node, f); |
396 |
|
Stream_write_char(f, ')'); |
397 |
|
} |
398 |
|
} |
399 |
|
else { |
400 |
|
instrument_expression(function_node, f); |
401 |
|
} |
402 |
Stream_write_char(f, '('); |
Stream_write_char(f, '('); |
403 |
for (struct JSParseNode * p = node->pn_head->pn_next; p != NULL; p = p->pn_next) { |
for (struct JSParseNode * p = function_node->pn_next; p != NULL; p = p->pn_next) { |
404 |
if (p != node->pn_head->pn_next) { |
if (p != node->pn_head->pn_next) { |
405 |
Stream_write_string(f, ", "); |
Stream_write_string(f, ", "); |
406 |
} |
} |
409 |
Stream_write_char(f, ')'); |
Stream_write_char(f, ')'); |
410 |
} |
} |
411 |
|
|
412 |
|
static void instrument_declarations(JSParseNode * list, Stream * f) { |
413 |
|
assert(list->pn_arity == PN_LIST); |
414 |
|
for (JSParseNode * p = list->pn_head; p != NULL; p = p->pn_next) { |
415 |
|
switch (p->pn_type) { |
416 |
|
case TOK_NAME: |
417 |
|
assert(p->pn_arity == PN_NAME); |
418 |
|
if (p != list->pn_head) { |
419 |
|
Stream_write_string(f, ", "); |
420 |
|
} |
421 |
|
print_string_atom(p->pn_atom, f); |
422 |
|
if (p->pn_expr != NULL) { |
423 |
|
Stream_write_string(f, " = "); |
424 |
|
instrument_expression(p->pn_expr, f); |
425 |
|
} |
426 |
|
break; |
427 |
|
case TOK_ASSIGN: |
428 |
|
case TOK_RB: |
429 |
|
case TOK_RC: |
430 |
|
/* destructuring */ |
431 |
|
instrument_expression(p, f); |
432 |
|
break; |
433 |
|
default: |
434 |
|
abort(); |
435 |
|
break; |
436 |
|
} |
437 |
|
} |
438 |
|
} |
439 |
|
|
440 |
/* |
/* |
441 |
See <Expressions> in jsparse.h. |
See <Expressions> in jsparse.h. |
442 |
TOK_FUNCTION is handled as a statement and as an expression. |
TOK_FUNCTION is handled as a statement and as an expression. |
495 |
instrument_expression(node->pn_kid3, f); |
instrument_expression(node->pn_kid3, f); |
496 |
break; |
break; |
497 |
case TOK_OR: |
case TOK_OR: |
|
instrument_expression(node->pn_left, f); |
|
|
Stream_write_string(f, " || "); |
|
|
instrument_expression(node->pn_right, f); |
|
|
break; |
|
498 |
case TOK_AND: |
case TOK_AND: |
|
instrument_expression(node->pn_left, f); |
|
|
Stream_write_string(f, " && "); |
|
|
instrument_expression(node->pn_right, f); |
|
|
break; |
|
499 |
case TOK_BITOR: |
case TOK_BITOR: |
500 |
case TOK_BITXOR: |
case TOK_BITXOR: |
501 |
case TOK_BITAND: |
case TOK_BITAND: |
551 |
instrument_expression(node->pn_kid, f); |
instrument_expression(node->pn_kid, f); |
552 |
break; |
break; |
553 |
default: |
default: |
554 |
abort(); |
fatal("%s: unknown operator (%d) in file", file_id, node->pn_op); |
555 |
break; |
break; |
556 |
} |
} |
557 |
break; |
break; |
608 |
assert(ATOM_IS_STRING(node->pn_atom)); |
assert(ATOM_IS_STRING(node->pn_atom)); |
609 |
{ |
{ |
610 |
JSString * s = ATOM_TO_STRING(node->pn_atom); |
JSString * s = ATOM_TO_STRING(node->pn_atom); |
611 |
/* XXX - semantics changed in 1.7 */ |
bool must_quote; |
612 |
if (! ATOM_KEYWORD(node->pn_atom) && js_IsIdentifier(s)) { |
if (JSSTRING_LENGTH(s) == 0) { |
613 |
Stream_write_char(f, '.'); |
must_quote = true; |
614 |
print_string_atom(node->pn_atom, f); |
} |
615 |
|
else if (js_CheckKeyword(JSSTRING_CHARS(s), JSSTRING_LENGTH(s)) != TOK_EOF) { |
616 |
|
must_quote = true; |
617 |
|
} |
618 |
|
else if (! js_IsIdentifier(s)) { |
619 |
|
must_quote = true; |
620 |
} |
} |
621 |
else { |
else { |
622 |
|
must_quote = false; |
623 |
|
} |
624 |
|
if (must_quote) { |
625 |
Stream_write_char(f, '['); |
Stream_write_char(f, '['); |
626 |
print_quoted_string_atom(node->pn_atom, f); |
print_quoted_string_atom(node->pn_atom, f); |
627 |
Stream_write_char(f, ']'); |
Stream_write_char(f, ']'); |
628 |
} |
} |
629 |
|
else { |
630 |
|
Stream_write_char(f, '.'); |
631 |
|
print_string_atom(node->pn_atom, f); |
632 |
|
} |
633 |
} |
} |
634 |
break; |
break; |
635 |
case TOK_LB: |
case TOK_LB: |
660 |
case TOK_RC: |
case TOK_RC: |
661 |
Stream_write_char(f, '{'); |
Stream_write_char(f, '{'); |
662 |
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) { |
663 |
assert(p->pn_type == TOK_COLON); |
if (p->pn_type != TOK_COLON) { |
664 |
|
fatal("unsupported node type in file %s: %d", file_id, p->pn_type); |
665 |
|
} |
666 |
if (p != node->pn_head) { |
if (p != node->pn_head) { |
667 |
Stream_write_string(f, ", "); |
Stream_write_string(f, ", "); |
668 |
} |
} |
670 |
/* check whether this is a getter or setter */ |
/* check whether this is a getter or setter */ |
671 |
switch (p->pn_op) { |
switch (p->pn_op) { |
672 |
case JSOP_GETTER: |
case JSOP_GETTER: |
|
Stream_write_string(f, "get "); |
|
|
instrument_expression(p->pn_left, f); |
|
|
instrument_function(p->pn_right, f, 0, FUNCTION_GETTER_OR_SETTER); |
|
|
break; |
|
673 |
case JSOP_SETTER: |
case JSOP_SETTER: |
674 |
Stream_write_string(f, "set "); |
if (p->pn_op == JSOP_GETTER) { |
675 |
|
Stream_write_string(f, "get "); |
676 |
|
} |
677 |
|
else { |
678 |
|
Stream_write_string(f, "set "); |
679 |
|
} |
680 |
instrument_expression(p->pn_left, f); |
instrument_expression(p->pn_left, f); |
681 |
|
if (p->pn_right->pn_type != TOK_FUNCTION) { |
682 |
|
fatal("parse error: expected function"); |
683 |
|
} |
684 |
instrument_function(p->pn_right, f, 0, FUNCTION_GETTER_OR_SETTER); |
instrument_function(p->pn_right, f, 0, FUNCTION_GETTER_OR_SETTER); |
685 |
break; |
break; |
686 |
default: |
default: |
703 |
case TOK_STRING: |
case TOK_STRING: |
704 |
print_quoted_string_atom(node->pn_atom, f); |
print_quoted_string_atom(node->pn_atom, f); |
705 |
break; |
break; |
706 |
case TOK_OBJECT: |
case TOK_REGEXP: |
707 |
switch (node->pn_op) { |
assert(node->pn_op == JSOP_REGEXP); |
708 |
case JSOP_OBJECT: |
{ |
709 |
/* I assume this is JSOP_REGEXP */ |
JSObject * object = node->pn_pob->object; |
710 |
abort(); |
jsval result; |
711 |
break; |
js_regexp_toString(context, object, &result); |
712 |
case JSOP_REGEXP: |
print_regex(result, f); |
|
assert(ATOM_IS_OBJECT(node->pn_atom)); |
|
|
{ |
|
|
JSObject * object = ATOM_TO_OBJECT(node->pn_atom); |
|
|
jsval result; |
|
|
js_regexp_toString(context, object, 0, NULL, &result); |
|
|
print_regex(result, f); |
|
|
} |
|
|
break; |
|
|
default: |
|
|
abort(); |
|
|
break; |
|
713 |
} |
} |
714 |
break; |
break; |
715 |
case TOK_NUMBER: |
case TOK_NUMBER: |
755 |
Stream_write_string(f, " in "); |
Stream_write_string(f, " in "); |
756 |
instrument_expression(node->pn_right, f); |
instrument_expression(node->pn_right, f); |
757 |
break; |
break; |
758 |
default: |
case TOK_LEXICALSCOPE: |
759 |
fatal("unsupported node type in file %s: %d", file_id, node->pn_type); |
assert(node->pn_arity == PN_NAME); |
760 |
} |
assert(node->pn_expr->pn_type == TOK_LET); |
761 |
} |
assert(node->pn_expr->pn_arity == PN_BINARY); |
762 |
|
Stream_write_string(f, "let("); |
763 |
static void instrument_var_statement(JSParseNode * node, Stream * f, int indent) { |
assert(node->pn_expr->pn_left->pn_type == TOK_LP); |
764 |
assert(node->pn_arity == PN_LIST); |
assert(node->pn_expr->pn_left->pn_arity == PN_LIST); |
765 |
Stream_printf(f, "%*s", indent, ""); |
instrument_declarations(node->pn_expr->pn_left, f); |
766 |
Stream_write_string(f, "var "); |
Stream_write_string(f, ") "); |
767 |
for (struct JSParseNode * p = node->pn_u.list.head; p != NULL; p = p->pn_next) { |
instrument_expression(node->pn_expr->pn_right, f); |
768 |
assert(p->pn_type == TOK_NAME); |
break; |
769 |
assert(p->pn_arity == PN_NAME); |
case TOK_YIELD: |
770 |
if (p != node->pn_head) { |
assert(node->pn_arity == PN_UNARY); |
771 |
Stream_write_string(f, ", "); |
Stream_write_string(f, "yield"); |
772 |
|
if (node->pn_kid != NULL) { |
773 |
|
Stream_write_char(f, ' '); |
774 |
|
instrument_expression(node->pn_kid, f); |
775 |
} |
} |
776 |
print_string_atom(p->pn_atom, f); |
break; |
777 |
if (p->pn_expr != NULL) { |
case TOK_ARRAYCOMP: |
778 |
Stream_write_string(f, " = "); |
assert(node->pn_arity == PN_LIST); |
779 |
instrument_expression(p->pn_expr, f); |
{ |
780 |
|
JSParseNode * block_node; |
781 |
|
switch (node->pn_count) { |
782 |
|
case 1: |
783 |
|
block_node = node->pn_head; |
784 |
|
break; |
785 |
|
case 2: |
786 |
|
block_node = node->pn_head->pn_next; |
787 |
|
break; |
788 |
|
default: |
789 |
|
abort(); |
790 |
|
break; |
791 |
|
} |
792 |
|
Stream_write_char(f, '['); |
793 |
|
output_array_comprehension_or_generator_expression(block_node, f); |
794 |
|
Stream_write_char(f, ']'); |
795 |
} |
} |
796 |
|
break; |
797 |
|
case TOK_VAR: |
798 |
|
assert(node->pn_arity == PN_LIST); |
799 |
|
Stream_write_string(f, "var "); |
800 |
|
instrument_declarations(node, f); |
801 |
|
break; |
802 |
|
case TOK_LET: |
803 |
|
assert(node->pn_arity == PN_LIST); |
804 |
|
Stream_write_string(f, "let "); |
805 |
|
instrument_declarations(node, f); |
806 |
|
break; |
807 |
|
default: |
808 |
|
fatal("unsupported node type in file %s: %d", file_id, node->pn_type); |
809 |
} |
} |
810 |
} |
} |
811 |
|
|
882 |
Stream_write_string(f, "switch ("); |
Stream_write_string(f, "switch ("); |
883 |
instrument_expression(node->pn_left, f); |
instrument_expression(node->pn_left, f); |
884 |
Stream_write_string(f, ") {\n"); |
Stream_write_string(f, ") {\n"); |
885 |
for (struct JSParseNode * p = node->pn_right->pn_head; p != NULL; p = p->pn_next) { |
{ |
886 |
Stream_printf(f, "%*s", indent, ""); |
JSParseNode * list = node->pn_right; |
887 |
switch (p->pn_type) { |
if (list->pn_type == TOK_LEXICALSCOPE) { |
888 |
case TOK_CASE: |
list = list->pn_expr; |
889 |
Stream_write_string(f, "case "); |
} |
890 |
instrument_expression(p->pn_left, f); |
for (struct JSParseNode * p = list->pn_head; p != NULL; p = p->pn_next) { |
891 |
Stream_write_string(f, ":\n"); |
Stream_printf(f, "%*s", indent, ""); |
892 |
break; |
switch (p->pn_type) { |
893 |
case TOK_DEFAULT: |
case TOK_CASE: |
894 |
Stream_write_string(f, "default:\n"); |
Stream_write_string(f, "case "); |
895 |
break; |
instrument_expression(p->pn_left, f); |
896 |
default: |
Stream_write_string(f, ":\n"); |
897 |
abort(); |
break; |
898 |
break; |
case TOK_DEFAULT: |
899 |
|
Stream_write_string(f, "default:\n"); |
900 |
|
break; |
901 |
|
default: |
902 |
|
abort(); |
903 |
|
break; |
904 |
|
} |
905 |
|
instrument_statement(p->pn_right, f, indent + 2, false); |
906 |
} |
} |
|
instrument_statement(p->pn_right, f, indent + 2, false); |
|
907 |
} |
} |
908 |
Stream_printf(f, "%*s", indent, ""); |
Stream_printf(f, "%*s", indent, ""); |
909 |
Stream_write_string(f, "}\n"); |
Stream_write_string(f, "}\n"); |
935 |
case TOK_FOR: |
case TOK_FOR: |
936 |
assert(node->pn_arity == PN_BINARY); |
assert(node->pn_arity == PN_BINARY); |
937 |
Stream_printf(f, "%*s", indent, ""); |
Stream_printf(f, "%*s", indent, ""); |
|
Stream_write_string(f, "for ("); |
|
938 |
switch (node->pn_left->pn_type) { |
switch (node->pn_left->pn_type) { |
939 |
case TOK_IN: |
case TOK_IN: |
940 |
/* for/in */ |
/* for/in */ |
941 |
assert(node->pn_left->pn_arity == PN_BINARY); |
assert(node->pn_left->pn_arity == PN_BINARY); |
942 |
switch (node->pn_left->pn_left->pn_type) { |
output_for_in(node, f); |
|
case TOK_VAR: |
|
|
instrument_var_statement(node->pn_left->pn_left, f, 0); |
|
|
break; |
|
|
case TOK_NAME: |
|
|
instrument_expression(node->pn_left->pn_left, f); |
|
|
break; |
|
|
default: |
|
|
/* this is undocumented: for (x.value in y) */ |
|
|
instrument_expression(node->pn_left->pn_left, f); |
|
|
break; |
|
|
/* |
|
|
default: |
|
|
fprintf(stderr, "unexpected node type: %d\n", node->pn_left->pn_left->pn_type); |
|
|
abort(); |
|
|
break; |
|
|
*/ |
|
|
} |
|
|
Stream_write_string(f, " in "); |
|
|
instrument_expression(node->pn_left->pn_right, f); |
|
943 |
break; |
break; |
944 |
case TOK_RESERVED: |
case TOK_RESERVED: |
945 |
/* for (;;) */ |
/* for (;;) */ |
946 |
assert(node->pn_left->pn_arity == PN_TERNARY); |
assert(node->pn_left->pn_arity == PN_TERNARY); |
947 |
|
Stream_write_string(f, "for ("); |
948 |
if (node->pn_left->pn_kid1) { |
if (node->pn_left->pn_kid1) { |
949 |
if (node->pn_left->pn_kid1->pn_type == TOK_VAR) { |
instrument_expression(node->pn_left->pn_kid1, f); |
|
instrument_var_statement(node->pn_left->pn_kid1, f, 0); |
|
|
} |
|
|
else { |
|
|
instrument_expression(node->pn_left->pn_kid1, f); |
|
|
} |
|
950 |
} |
} |
951 |
Stream_write_string(f, ";"); |
Stream_write_string(f, ";"); |
952 |
if (node->pn_left->pn_kid2) { |
if (node->pn_left->pn_kid2) { |
958 |
Stream_write_char(f, ' '); |
Stream_write_char(f, ' '); |
959 |
instrument_expression(node->pn_left->pn_kid3, f); |
instrument_expression(node->pn_left->pn_kid3, f); |
960 |
} |
} |
961 |
|
Stream_write_char(f, ')'); |
962 |
break; |
break; |
963 |
default: |
default: |
964 |
abort(); |
abort(); |
965 |
break; |
break; |
966 |
} |
} |
967 |
Stream_write_string(f, ") {\n"); |
Stream_write_string(f, " {\n"); |
968 |
instrument_statement(node->pn_right, f, indent + 2, false); |
instrument_statement(node->pn_right, f, indent + 2, false); |
969 |
Stream_write_string(f, "}\n"); |
Stream_write_string(f, "}\n"); |
970 |
break; |
break; |
981 |
instrument_statement(node->pn_kid1, f, indent + 2, false); |
instrument_statement(node->pn_kid1, f, indent + 2, false); |
982 |
Stream_printf(f, "%*s", indent, ""); |
Stream_printf(f, "%*s", indent, ""); |
983 |
Stream_write_string(f, "}\n"); |
Stream_write_string(f, "}\n"); |
984 |
{ |
if (node->pn_kid2) { |
985 |
for (JSParseNode * catch = node->pn_kid2; catch != NULL; catch = catch->pn_kid2) { |
assert(node->pn_kid2->pn_type == TOK_RESERVED); |
986 |
|
for (JSParseNode * scope = node->pn_kid2->pn_head; scope != NULL; scope = scope->pn_next) { |
987 |
|
assert(scope->pn_type == TOK_LEXICALSCOPE); |
988 |
|
JSParseNode * catch = scope->pn_expr; |
989 |
assert(catch->pn_type == TOK_CATCH); |
assert(catch->pn_type == TOK_CATCH); |
990 |
Stream_printf(f, "%*s", indent, ""); |
Stream_printf(f, "%*s", indent, ""); |
991 |
Stream_write_string(f, "catch ("); |
Stream_write_string(f, "catch ("); |
992 |
|
/* this may not be a name - destructuring assignment */ |
993 |
|
/* |
994 |
assert(catch->pn_kid1->pn_arity == PN_NAME); |
assert(catch->pn_kid1->pn_arity == PN_NAME); |
995 |
print_string_atom(catch->pn_kid1->pn_atom, f); |
print_string_atom(catch->pn_kid1->pn_atom, f); |
996 |
if (catch->pn_kid1->pn_expr) { |
*/ |
997 |
|
instrument_expression(catch->pn_kid1, f); |
998 |
|
if (catch->pn_kid2) { |
999 |
Stream_write_string(f, " if "); |
Stream_write_string(f, " if "); |
1000 |
instrument_expression(catch->pn_kid1->pn_expr, f); |
instrument_expression(catch->pn_kid2, f); |
1001 |
} |
} |
1002 |
Stream_write_string(f, ") {\n"); |
Stream_write_string(f, ") {\n"); |
1003 |
instrument_statement(catch->pn_kid3, f, indent + 2, false); |
instrument_statement(catch->pn_kid3, f, indent + 2, false); |
1039 |
Stream_write_string(f, "}\n"); |
Stream_write_string(f, "}\n"); |
1040 |
break; |
break; |
1041 |
case TOK_VAR: |
case TOK_VAR: |
1042 |
instrument_var_statement(node, f, indent); |
Stream_printf(f, "%*s", indent, ""); |
1043 |
|
instrument_expression(node, f); |
1044 |
Stream_write_string(f, ";\n"); |
Stream_write_string(f, ";\n"); |
1045 |
break; |
break; |
1046 |
case TOK_RETURN: |
case TOK_RETURN: |
1075 |
*/ |
*/ |
1076 |
output_statement(node->pn_expr, f, indent, false); |
output_statement(node->pn_expr, f, indent, false); |
1077 |
break; |
break; |
1078 |
|
case TOK_LEXICALSCOPE: |
1079 |
|
/* let statement */ |
1080 |
|
assert(node->pn_arity == PN_NAME); |
1081 |
|
switch (node->pn_expr->pn_type) { |
1082 |
|
case TOK_LET: |
1083 |
|
/* let statement */ |
1084 |
|
assert(node->pn_expr->pn_arity == PN_BINARY); |
1085 |
|
instrument_statement(node->pn_expr, f, indent, false); |
1086 |
|
break; |
1087 |
|
case TOK_LC: |
1088 |
|
/* block */ |
1089 |
|
Stream_printf(f, "%*s", indent, ""); |
1090 |
|
Stream_write_string(f, "{\n"); |
1091 |
|
instrument_statement(node->pn_expr, f, indent + 2, false); |
1092 |
|
Stream_printf(f, "%*s", indent, ""); |
1093 |
|
Stream_write_string(f, "}\n"); |
1094 |
|
break; |
1095 |
|
case TOK_FOR: |
1096 |
|
instrument_statement(node->pn_expr, f, indent, false); |
1097 |
|
break; |
1098 |
|
default: |
1099 |
|
abort(); |
1100 |
|
break; |
1101 |
|
} |
1102 |
|
break; |
1103 |
|
case TOK_LET: |
1104 |
|
switch (node->pn_arity) { |
1105 |
|
case PN_BINARY: |
1106 |
|
/* let statement */ |
1107 |
|
Stream_printf(f, "%*s", indent, ""); |
1108 |
|
Stream_write_string(f, "let ("); |
1109 |
|
assert(node->pn_left->pn_type == TOK_LP); |
1110 |
|
assert(node->pn_left->pn_arity == PN_LIST); |
1111 |
|
instrument_declarations(node->pn_left, f); |
1112 |
|
Stream_write_string(f, ") {\n"); |
1113 |
|
instrument_statement(node->pn_right, f, indent + 2, false); |
1114 |
|
Stream_printf(f, "%*s", indent, ""); |
1115 |
|
Stream_write_string(f, "}\n"); |
1116 |
|
break; |
1117 |
|
case PN_LIST: |
1118 |
|
/* let definition */ |
1119 |
|
Stream_printf(f, "%*s", indent, ""); |
1120 |
|
instrument_expression(node, f); |
1121 |
|
Stream_write_string(f, ";\n"); |
1122 |
|
break; |
1123 |
|
default: |
1124 |
|
abort(); |
1125 |
|
break; |
1126 |
|
} |
1127 |
|
break; |
1128 |
|
case TOK_DEBUGGER: |
1129 |
|
Stream_printf(f, "%*s", indent, ""); |
1130 |
|
Stream_write_string(f, "debugger;\n"); |
1131 |
|
break; |
1132 |
default: |
default: |
1133 |
fatal("unsupported node type in file %s: %d", file_id, node->pn_type); |
fatal("unsupported node type in file %s: %d", file_id, node->pn_type); |
1134 |
} |
} |
1140 |
TOK_EXPORT, TOK_IMPORT are not handled. |
TOK_EXPORT, TOK_IMPORT are not handled. |
1141 |
*/ |
*/ |
1142 |
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) { |
1143 |
if (node->pn_type != TOK_LC) { |
if (node->pn_type != TOK_LC && node->pn_type != TOK_LEXICALSCOPE) { |
1144 |
uint16_t line = node->pn_pos.begin.lineno; |
uint16_t line = node->pn_pos.begin.lineno; |
1145 |
if (line > num_lines) { |
if (line > num_lines) { |
1146 |
fatal("%s: script contains more than 65,535 lines", file_id); |
fatal("%s: script contains more than 65,535 lines", file_id); |
1190 |
return true; |
return true; |
1191 |
} |
} |
1192 |
|
|
1193 |
|
static void error_reporter(JSContext * context, const char * message, JSErrorReport * report) { |
1194 |
|
fprintf(stderr, "jscoverage: parse error: line %u: %s\n", report->lineno, message); |
1195 |
|
} |
1196 |
|
|
1197 |
void jscoverage_instrument_js(const char * id, const uint16_t * characters, size_t num_characters, Stream * output) { |
void jscoverage_instrument_js(const char * id, const uint16_t * characters, size_t num_characters, Stream * output) { |
1198 |
file_id = id; |
file_id = id; |
1199 |
|
|
1200 |
/* scan the javascript */ |
/* parse the javascript */ |
1201 |
JSTokenStream * token_stream = js_NewTokenStream(context, characters, num_characters, NULL, 1, NULL); |
JSParseContext parse_context; |
1202 |
if (token_stream == NULL) { |
if (! js_InitParseContext(context, &parse_context, NULL, NULL, characters, num_characters, NULL, NULL, 1)) { |
1203 |
fatal("cannot create token stream from file: %s", file_id); |
fatal("cannot create token stream from file: %s", file_id); |
1204 |
} |
} |
1205 |
|
JSErrorReporter old_error_reporter = JS_SetErrorReporter(context, error_reporter); |
1206 |
/* parse the javascript */ |
JSParseNode * node = js_ParseScript(context, global, &parse_context); |
|
JSParseNode * node = js_ParseTokenStream(context, global, token_stream); |
|
1207 |
if (node == NULL) { |
if (node == NULL) { |
1208 |
|
js_ReportUncaughtException(context); |
1209 |
fatal("parse error in file: %s", file_id); |
fatal("parse error in file: %s", file_id); |
1210 |
} |
} |
1211 |
|
JS_SetErrorReporter(context, old_error_reporter); |
1212 |
num_lines = node->pn_pos.end.lineno; |
num_lines = node->pn_pos.end.lineno; |
1213 |
lines = xmalloc(num_lines); |
lines = xmalloc(num_lines); |
1214 |
for (unsigned int i = 0; i < num_lines; i++) { |
for (unsigned int i = 0; i < num_lines; i++) { |
1290 |
|
|
1291 |
Stream * instrumented = Stream_new(0); |
Stream * instrumented = Stream_new(0); |
1292 |
instrument_statement(node, instrumented, 0, false); |
instrument_statement(node, instrumented, 0, false); |
1293 |
|
js_FinishParseContext(context, &parse_context); |
1294 |
|
|
1295 |
/* write line number info to the output */ |
/* write line number info to the output */ |
1296 |
Stream_write_string(output, "/* automatically generated by JSCoverage - do not edit */\n"); |
Stream_write_string(output, "/* automatically generated by JSCoverage - do not edit */\n"); |
1297 |
Stream_write_string(output, "if (! top._$jscoverage) {\n top._$jscoverage = {};\n}\n"); |
if (jscoverage_mozilla) { |
1298 |
Stream_write_string(output, "var _$jscoverage = top._$jscoverage;\n"); |
Stream_write_string(output, "try {\n"); |
1299 |
|
Stream_write_string(output, " Components.utils.import('resource://gre/modules/jscoverage.jsm');\n"); |
1300 |
|
Stream_printf(output, " dump('%s: successfully imported jscoverage module\\n');\n", id); |
1301 |
|
Stream_write_string(output, "}\n"); |
1302 |
|
Stream_write_string(output, "catch (e) {\n"); |
1303 |
|
Stream_write_string(output, " _$jscoverage = {};\n"); |
1304 |
|
Stream_printf(output, " dump('%s: failed to import jscoverage module - coverage not available for this file\\n');\n", id); |
1305 |
|
Stream_write_string(output, "}\n"); |
1306 |
|
} |
1307 |
|
else { |
1308 |
|
Stream_write_string(output, "if (! top._$jscoverage) {\n top._$jscoverage = {};\n}\n"); |
1309 |
|
Stream_write_string(output, "var _$jscoverage = top._$jscoverage;\n"); |
1310 |
|
} |
1311 |
Stream_printf(output, "if (! _$jscoverage['%s']) {\n", file_id); |
Stream_printf(output, "if (! _$jscoverage['%s']) {\n", file_id); |
1312 |
Stream_printf(output, " _$jscoverage['%s'] = [];\n", file_id); |
Stream_printf(output, " _$jscoverage['%s'] = [];\n", file_id); |
1313 |
for (int i = 0; i < num_lines; i++) { |
for (int i = 0; i < num_lines; i++) { |
1332 |
/* conditionals */ |
/* conditionals */ |
1333 |
for (struct IfDirective * if_directive = if_directives; if_directive != NULL; if_directive = if_directive->next) { |
for (struct IfDirective * if_directive = if_directives; if_directive != NULL; if_directive = if_directive->next) { |
1334 |
Stream_write_string(output, "if (!("); |
Stream_write_string(output, "if (!("); |
1335 |
for (const jschar * p = if_directive->condition_start; p < if_directive->condition_end; p++) { |
print_javascript(if_directive->condition_start, if_directive->condition_end - if_directive->condition_start, output); |
|
jschar c = *p; |
|
|
if (c == '\t' || (32 <= c && c <= 126)) { |
|
|
Stream_write_char(output, c); |
|
|
} |
|
|
else { |
|
|
Stream_printf(output, "\\u%04x", c); |
|
|
} |
|
|
} |
|
1336 |
Stream_write_string(output, ")) {\n"); |
Stream_write_string(output, ")) {\n"); |
1337 |
Stream_printf(output, " _$jscoverage['%s'].conditionals[%d] = %d;\n", file_id, if_directive->start_line, if_directive->end_line); |
Stream_printf(output, " _$jscoverage['%s'].conditionals[%d] = %d;\n", file_id, if_directive->start_line, if_directive->end_line); |
1338 |
Stream_write_string(output, "}\n"); |
Stream_write_string(output, "}\n"); |
1383 |
/* line feed (new line) */ |
/* line feed (new line) */ |
1384 |
done = true; |
done = true; |
1385 |
break; |
break; |
1386 |
|
/* IE doesn't support this */ |
1387 |
|
/* |
1388 |
case 0xb: |
case 0xb: |
|
/* vertical tab */ |
|
1389 |
Stream_write_string(output, "\\v"); |
Stream_write_string(output, "\\v"); |
1390 |
break; |
break; |
1391 |
|
*/ |
1392 |
case 0xc: |
case 0xc: |
1393 |
/* form feed */ |
/* form feed */ |
1394 |
Stream_write_string(output, "\\f"); |
Stream_write_string(output, "\\f"); |
1443 |
/* line feed (new line) */ |
/* line feed (new line) */ |
1444 |
done = true; |
done = true; |
1445 |
break; |
break; |
1446 |
|
/* IE doesn't support this */ |
1447 |
|
/* |
1448 |
case 0xb: |
case 0xb: |
|
/* vertical tab */ |
|
1449 |
Stream_write_string(output, "\\v"); |
Stream_write_string(output, "\\v"); |
1450 |
break; |
break; |
1451 |
|
*/ |
1452 |
case 0xc: |
case 0xc: |
1453 |
/* form feed */ |
/* form feed */ |
1454 |
Stream_write_string(output, "\\f"); |
Stream_write_string(output, "\\f"); |
1575 |
} |
} |
1576 |
|
|
1577 |
int jscoverage_parse_json(Coverage * coverage, const uint8_t * json, size_t length) { |
int jscoverage_parse_json(Coverage * coverage, const uint8_t * json, size_t length) { |
1578 |
|
int result = 0; |
1579 |
|
|
1580 |
jschar * base = js_InflateString(context, (char *) json, &length); |
jschar * base = js_InflateString(context, (char *) json, &length); |
1581 |
if (base == NULL) { |
if (base == NULL) { |
1582 |
fatal("out of memory"); |
fatal("out of memory"); |
1589 |
|
|
1590 |
JS_free(context, base); |
JS_free(context, base); |
1591 |
|
|
1592 |
JSTokenStream * token_stream = js_NewTokenStream(context, parenthesized_json, length + 2, NULL, 1, NULL); |
JSParseContext parse_context; |
1593 |
if (token_stream == NULL) { |
if (! js_InitParseContext(context, &parse_context, NULL, NULL, parenthesized_json, length + 2, NULL, NULL, 1)) { |
1594 |
fatal("cannot create token stream"); |
free(parenthesized_json); |
1595 |
|
return -1; |
1596 |
} |
} |
1597 |
|
JSParseNode * root = js_ParseScript(context, global, &parse_context); |
|
JSParseNode * root = js_ParseTokenStream(context, global, token_stream); |
|
1598 |
free(parenthesized_json); |
free(parenthesized_json); |
1599 |
if (root == NULL) { |
if (root == NULL) { |
1600 |
return -1; |
result = -1; |
1601 |
|
goto done; |
1602 |
} |
} |
1603 |
|
|
1604 |
/* root node must be TOK_LC */ |
/* root node must be TOK_LC */ |
1605 |
if (root->pn_type != TOK_LC) { |
if (root->pn_type != TOK_LC) { |
1606 |
return -1; |
result = -1; |
1607 |
|
goto done; |
1608 |
} |
} |
1609 |
JSParseNode * semi = root->pn_u.list.head; |
JSParseNode * semi = root->pn_u.list.head; |
1610 |
|
|
1611 |
/* the list must be TOK_SEMI and it must contain only one element */ |
/* the list must be TOK_SEMI and it must contain only one element */ |
1612 |
if (semi->pn_type != TOK_SEMI || semi->pn_next != NULL) { |
if (semi->pn_type != TOK_SEMI || semi->pn_next != NULL) { |
1613 |
return -1; |
result = -1; |
1614 |
|
goto done; |
1615 |
} |
} |
1616 |
JSParseNode * parenthesized = semi->pn_kid; |
JSParseNode * parenthesized = semi->pn_kid; |
1617 |
|
|
1618 |
/* this must be a parenthesized expression */ |
/* this must be a parenthesized expression */ |
1619 |
if (parenthesized->pn_type != TOK_RP) { |
if (parenthesized->pn_type != TOK_RP) { |
1620 |
return -1; |
result = -1; |
1621 |
|
goto done; |
1622 |
} |
} |
1623 |
JSParseNode * object = parenthesized->pn_kid; |
JSParseNode * object = parenthesized->pn_kid; |
1624 |
|
|
1625 |
/* this must be an object literal */ |
/* this must be an object literal */ |
1626 |
if (object->pn_type != TOK_RC) { |
if (object->pn_type != TOK_RC) { |
1627 |
return -1; |
result = -1; |
1628 |
|
goto done; |
1629 |
} |
} |
1630 |
|
|
1631 |
for (JSParseNode * p = object->pn_head; p != NULL; p = p->pn_next) { |
for (JSParseNode * p = object->pn_head; p != NULL; p = p->pn_next) { |
1632 |
/* every element of this list must be TOK_COLON */ |
/* every element of this list must be TOK_COLON */ |
1633 |
if (p->pn_type != TOK_COLON) { |
if (p->pn_type != TOK_COLON) { |
1634 |
return -1; |
result = -1; |
1635 |
|
goto done; |
1636 |
} |
} |
1637 |
|
|
1638 |
/* the key must be a string representing the file */ |
/* the key must be a string representing the file */ |
1639 |
JSParseNode * key = p->pn_left; |
JSParseNode * key = p->pn_left; |
1640 |
if (key->pn_type != TOK_STRING || ! ATOM_IS_STRING(key->pn_atom)) { |
if (key->pn_type != TOK_STRING || ! ATOM_IS_STRING(key->pn_atom)) { |
1641 |
return -1; |
result = -1; |
1642 |
|
goto done; |
1643 |
} |
} |
1644 |
char * id_bytes = JS_GetStringBytes(ATOM_TO_STRING(key->pn_atom)); |
char * id_bytes = JS_GetStringBytes(ATOM_TO_STRING(key->pn_atom)); |
1645 |
|
|
1646 |
/* the value must be an object literal OR an array */ |
/* the value must be an object literal OR an array */ |
1647 |
JSParseNode * value = p->pn_right; |
JSParseNode * value = p->pn_right; |
1648 |
if (! (value->pn_type == TOK_RC || value->pn_type == TOK_RB)) { |
if (! (value->pn_type == TOK_RC || value->pn_type == TOK_RB)) { |
1649 |
return -1; |
result = -1; |
1650 |
|
goto done; |
1651 |
} |
} |
1652 |
|
|
1653 |
JSParseNode * array = NULL; |
JSParseNode * array = NULL; |
1659 |
else if (value->pn_type == TOK_RC) { |
else if (value->pn_type == TOK_RC) { |
1660 |
/* an object literal */ |
/* an object literal */ |
1661 |
if (value->pn_count != 2) { |
if (value->pn_count != 2) { |
1662 |
return -1; |
result = -1; |
1663 |
|
goto done; |
1664 |
} |
} |
1665 |
for (JSParseNode * element = value->pn_head; element != NULL; element = element->pn_next) { |
for (JSParseNode * element = value->pn_head; element != NULL; element = element->pn_next) { |
1666 |
if (element->pn_type != TOK_COLON) { |
if (element->pn_type != TOK_COLON) { |
1667 |
return -1; |
result = -1; |
1668 |
|
goto done; |
1669 |
} |
} |
1670 |
JSParseNode * left = element->pn_left; |
JSParseNode * left = element->pn_left; |
1671 |
if (left->pn_type != TOK_STRING || ! ATOM_IS_STRING(left->pn_atom)) { |
if (left->pn_type != TOK_STRING || ! ATOM_IS_STRING(left->pn_atom)) { |
1672 |
return -1; |
result = -1; |
1673 |
|
goto done; |
1674 |
} |
} |
1675 |
const char * s = JS_GetStringBytes(ATOM_TO_STRING(left->pn_atom)); |
const char * s = JS_GetStringBytes(ATOM_TO_STRING(left->pn_atom)); |
1676 |
if (strcmp(s, "coverage") == 0) { |
if (strcmp(s, "coverage") == 0) { |
1677 |
array = element->pn_right; |
array = element->pn_right; |
1678 |
if (array->pn_type != TOK_RB) { |
if (array->pn_type != TOK_RB) { |
1679 |
return -1; |
result = -1; |
1680 |
|
goto done; |
1681 |
} |
} |
1682 |
} |
} |
1683 |
else if (strcmp(s, "source") == 0) { |
else if (strcmp(s, "source") == 0) { |
1684 |
source = element->pn_right; |
source = element->pn_right; |
1685 |
if (source->pn_type != TOK_RB) { |
if (source->pn_type != TOK_RB) { |
1686 |
return -1; |
result = -1; |
1687 |
|
goto done; |
1688 |
} |
} |
1689 |
} |
} |
1690 |
else { |
else { |
1691 |
return -1; |
result = -1; |
1692 |
|
goto done; |
1693 |
} |
} |
1694 |
} |
} |
1695 |
} |
} |
1696 |
else { |
else { |
1697 |
return -1; |
result = -1; |
1698 |
|
goto done; |
1699 |
} |
} |
1700 |
|
|
1701 |
if (array == NULL) { |
if (array == NULL) { |
1702 |
return -1; |
result = -1; |
1703 |
|
goto done; |
1704 |
} |
} |
1705 |
|
|
1706 |
/* look up the file in the coverage table */ |
/* look up the file in the coverage table */ |
1724 |
file_coverage->coverage_lines[i] = -1; |
file_coverage->coverage_lines[i] = -1; |
1725 |
} |
} |
1726 |
else { |
else { |
1727 |
return -1; |
result = -1; |
1728 |
|
goto done; |
1729 |
} |
} |
1730 |
} |
} |
1731 |
assert(i == array->pn_count); |
assert(i == array->pn_count); |
1741 |
/* sanity check */ |
/* sanity check */ |
1742 |
assert(strcmp(file_coverage->id, id_bytes) == 0); |
assert(strcmp(file_coverage->id, id_bytes) == 0); |
1743 |
if (file_coverage->num_coverage_lines != array->pn_count) { |
if (file_coverage->num_coverage_lines != array->pn_count) { |
1744 |
return -2; |
result = -2; |
1745 |
|
goto done; |
1746 |
} |
} |
1747 |
|
|
1748 |
/* merge the coverage */ |
/* merge the coverage */ |
1750 |
for (JSParseNode * element = array->pn_head; element != NULL; element = element->pn_next, i++) { |
for (JSParseNode * element = array->pn_head; element != NULL; element = element->pn_next, i++) { |
1751 |
if (element->pn_type == TOK_NUMBER) { |
if (element->pn_type == TOK_NUMBER) { |
1752 |
if (file_coverage->coverage_lines[i] == -1) { |
if (file_coverage->coverage_lines[i] == -1) { |
1753 |
return -2; |
result = -2; |
1754 |
|
goto done; |
1755 |
} |
} |
1756 |
file_coverage->coverage_lines[i] += (int) element->pn_dval; |
file_coverage->coverage_lines[i] += (int) element->pn_dval; |
1757 |
} |
} |
1758 |
else if (element->pn_type == TOK_PRIMARY && element->pn_op == JSOP_NULL) { |
else if (element->pn_type == TOK_PRIMARY && element->pn_op == JSOP_NULL) { |
1759 |
if (file_coverage->coverage_lines[i] != -1) { |
if (file_coverage->coverage_lines[i] != -1) { |
1760 |
return -2; |
result = -2; |
1761 |
|
goto done; |
1762 |
} |
} |
1763 |
} |
} |
1764 |
else { |
else { |
1765 |
return -1; |
result = -1; |
1766 |
|
goto done; |
1767 |
} |
} |
1768 |
} |
} |
1769 |
assert(i == array->pn_count); |
assert(i == array->pn_count); |
1776 |
uint32 i = 0; |
uint32 i = 0; |
1777 |
for (JSParseNode * element = source->pn_head; element != NULL; element = element->pn_next, i++) { |
for (JSParseNode * element = source->pn_head; element != NULL; element = element->pn_next, i++) { |
1778 |
if (element->pn_type != TOK_STRING) { |
if (element->pn_type != TOK_STRING) { |
1779 |
return -1; |
result = -1; |
1780 |
|
goto done; |
1781 |
} |
} |
1782 |
file_coverage->source_lines[i] = xstrdup(JS_GetStringBytes(ATOM_TO_STRING(element->pn_atom))); |
file_coverage->source_lines[i] = xstrdup(JS_GetStringBytes(ATOM_TO_STRING(element->pn_atom))); |
1783 |
} |
} |
1785 |
} |
} |
1786 |
} |
} |
1787 |
|
|
1788 |
return 0; |
done: |
1789 |
|
js_FinishParseContext(context, &parse_context); |
1790 |
|
return result; |
1791 |
} |
} |