22 |
#include "instrument-js.h" |
#include "instrument-js.h" |
23 |
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|
24 |
#include <assert.h> |
#include <assert.h> |
25 |
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#include <math.h> |
26 |
#include <stdlib.h> |
#include <stdlib.h> |
27 |
#include <string.h> |
#include <string.h> |
28 |
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|
29 |
#include <jsapi.h> |
#include <jsapi.h> |
30 |
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#include <jsarena.h> |
31 |
#include <jsatom.h> |
#include <jsatom.h> |
32 |
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#include <jsemit.h> |
33 |
#include <jsexn.h> |
#include <jsexn.h> |
34 |
#include <jsfun.h> |
#include <jsfun.h> |
35 |
#include <jsinterp.h> |
#include <jsinterp.h> |
36 |
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#include <jsiter.h> |
37 |
#include <jsparse.h> |
#include <jsparse.h> |
38 |
#include <jsregexp.h> |
#include <jsregexp.h> |
39 |
#include <jsscope.h> |
#include <jsscope.h> |
53 |
struct IfDirective * next; |
struct IfDirective * next; |
54 |
}; |
}; |
55 |
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|
56 |
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bool jscoverage_mozilla = false; |
57 |
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|
58 |
static bool * exclusive_directives = NULL; |
static bool * exclusive_directives = NULL; |
59 |
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|
60 |
static JSRuntime * runtime = NULL; |
static JSRuntime * runtime = NULL; |
61 |
static JSContext * context = NULL; |
static JSContext * context = NULL; |
62 |
static JSObject * global = NULL; |
static JSObject * global = NULL; |
63 |
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static JSVersion js_version = JSVERSION_ECMA_3; |
64 |
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|
65 |
/* |
/* |
66 |
JSParseNode objects store line numbers starting from 1. |
JSParseNode objects store line numbers starting from 1. |
70 |
static char * lines = NULL; |
static char * lines = NULL; |
71 |
static uint16_t num_lines = 0; |
static uint16_t num_lines = 0; |
72 |
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|
73 |
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void jscoverage_set_js_version(const char * version) { |
74 |
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js_version = JS_StringToVersion(version); |
75 |
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if (js_version != JSVERSION_UNKNOWN) { |
76 |
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return; |
77 |
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} |
78 |
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|
79 |
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char * end; |
80 |
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js_version = (JSVersion) strtol(version, &end, 10); |
81 |
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if ((size_t) (end - version) != strlen(version)) { |
82 |
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fatal("invalid version: %s", version); |
83 |
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} |
84 |
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} |
85 |
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|
86 |
void jscoverage_init(void) { |
void jscoverage_init(void) { |
87 |
runtime = JS_NewRuntime(8L * 1024L * 1024L); |
runtime = JS_NewRuntime(8L * 1024L * 1024L); |
88 |
if (runtime == NULL) { |
if (runtime == NULL) { |
94 |
fatal("cannot create context"); |
fatal("cannot create context"); |
95 |
} |
} |
96 |
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|
97 |
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JS_SetVersion(context, js_version); |
98 |
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|
99 |
global = JS_NewObject(context, NULL, NULL, NULL); |
global = JS_NewObject(context, NULL, NULL, NULL); |
100 |
if (global == NULL) { |
if (global == NULL) { |
101 |
fatal("cannot create global object"); |
fatal("cannot create global object"); |
169 |
case 0xa: |
case 0xa: |
170 |
Stream_write_string(f, "\\n"); |
Stream_write_string(f, "\\n"); |
171 |
break; |
break; |
172 |
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/* IE doesn't support this */ |
173 |
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/* |
174 |
case 0xb: |
case 0xb: |
175 |
Stream_write_string(f, "\\v"); |
Stream_write_string(f, "\\v"); |
176 |
break; |
break; |
177 |
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*/ |
178 |
case 0xc: |
case 0xc: |
179 |
Stream_write_string(f, "\\f"); |
Stream_write_string(f, "\\f"); |
180 |
break; |
break; |
221 |
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|
222 |
static const char * get_op(uint8 op) { |
static const char * get_op(uint8 op) { |
223 |
switch(op) { |
switch(op) { |
224 |
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case JSOP_OR: |
225 |
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return "||"; |
226 |
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case JSOP_AND: |
227 |
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return "&&"; |
228 |
case JSOP_BITOR: |
case JSOP_BITOR: |
229 |
return "|"; |
return "|"; |
230 |
case JSOP_BITXOR: |
case JSOP_BITXOR: |
235 |
return "=="; |
return "=="; |
236 |
case JSOP_NE: |
case JSOP_NE: |
237 |
return "!="; |
return "!="; |
238 |
case JSOP_NEW_EQ: |
case JSOP_STRICTEQ: |
239 |
return "==="; |
return "==="; |
240 |
case JSOP_NEW_NE: |
case JSOP_STRICTNE: |
241 |
return "!=="; |
return "!=="; |
242 |
case JSOP_LT: |
case JSOP_LT: |
243 |
return "<"; |
return "<"; |
268 |
} |
} |
269 |
} |
} |
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271 |
static void instrument_expression(JSParseNode * node, Stream * f); |
static void output_expression(JSParseNode * node, Stream * f, bool parenthesize_object_literals); |
272 |
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); |
273 |
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static void output_statement(JSParseNode * node, Stream * f, int indent, bool is_jscoverage_if); |
274 |
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|
275 |
enum FunctionType { |
enum FunctionType { |
276 |
FUNCTION_NORMAL, |
FUNCTION_NORMAL, |
277 |
FUNCTION_GETTER_OR_SETTER |
FUNCTION_GETTER_OR_SETTER |
278 |
}; |
}; |
279 |
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280 |
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static void output_for_in(JSParseNode * node, Stream * f) { |
281 |
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assert(node->pn_type == TOK_FOR); |
282 |
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assert(node->pn_arity == PN_BINARY); |
283 |
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Stream_write_string(f, "for "); |
284 |
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if (node->pn_iflags & JSITER_FOREACH) { |
285 |
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Stream_write_string(f, "each "); |
286 |
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} |
287 |
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Stream_write_char(f, '('); |
288 |
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output_expression(node->pn_left, f, false); |
289 |
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Stream_write_char(f, ')'); |
290 |
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} |
291 |
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292 |
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static void output_array_comprehension_or_generator_expression(JSParseNode * node, Stream * f) { |
293 |
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assert(node->pn_type == TOK_LEXICALSCOPE); |
294 |
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assert(node->pn_arity == PN_NAME); |
295 |
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JSParseNode * for_node = node->pn_expr; |
296 |
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assert(for_node->pn_type == TOK_FOR); |
297 |
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assert(for_node->pn_arity == PN_BINARY); |
298 |
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JSParseNode * p = for_node; |
299 |
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while (p->pn_type == TOK_FOR) { |
300 |
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p = p->pn_right; |
301 |
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} |
302 |
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JSParseNode * if_node = NULL; |
303 |
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if (p->pn_type == TOK_IF) { |
304 |
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if_node = p; |
305 |
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assert(if_node->pn_arity == PN_TERNARY); |
306 |
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p = if_node->pn_kid2; |
307 |
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} |
308 |
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assert(p->pn_arity == PN_UNARY); |
309 |
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p = p->pn_kid; |
310 |
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if (p->pn_type == TOK_YIELD) { |
311 |
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/* for generator expressions */ |
312 |
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p = p->pn_kid; |
313 |
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} |
314 |
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|
315 |
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output_expression(p, f, false); |
316 |
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p = for_node; |
317 |
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while (p->pn_type == TOK_FOR) { |
318 |
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Stream_write_char(f, ' '); |
319 |
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output_for_in(p, f); |
320 |
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p = p->pn_right; |
321 |
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} |
322 |
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if (if_node) { |
323 |
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Stream_write_string(f, " if ("); |
324 |
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output_expression(if_node->pn_kid1, f, false); |
325 |
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Stream_write_char(f, ')'); |
326 |
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} |
327 |
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} |
328 |
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329 |
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) { |
330 |
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assert(node->pn_type == TOK_FUNCTION); |
331 |
assert(node->pn_arity == PN_FUNC); |
assert(node->pn_arity == PN_FUNC); |
332 |
assert(ATOM_IS_OBJECT(node->pn_funAtom)); |
JSObject * object = node->pn_funpob->object; |
|
JSObject * object = ATOM_TO_OBJECT(node->pn_funAtom); |
|
333 |
assert(JS_ObjectIsFunction(context, object)); |
assert(JS_ObjectIsFunction(context, object)); |
334 |
JSFunction * function = (JSFunction *) JS_GetPrivate(context, object); |
JSFunction * function = (JSFunction *) JS_GetPrivate(context, object); |
335 |
assert(function); |
assert(function); |
336 |
assert(object == function->object); |
assert(object == &function->object); |
337 |
Stream_printf(f, "%*s", indent, ""); |
Stream_printf(f, "%*s", indent, ""); |
338 |
if (type == FUNCTION_NORMAL) { |
if (type == FUNCTION_NORMAL) { |
339 |
Stream_write_string(f, "function"); |
Stream_write_string(f, "function "); |
340 |
} |
} |
341 |
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|
342 |
/* function name */ |
/* function name */ |
343 |
if (function->atom) { |
if (function->atom) { |
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Stream_write_char(f, ' '); |
|
344 |
print_string_atom(function->atom, f); |
print_string_atom(function->atom, f); |
345 |
} |
} |
346 |
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|
347 |
/* function parameters */ |
/* |
348 |
Stream_write_string(f, "("); |
function parameters - see JS_DecompileFunction in jsapi.cpp, which calls |
349 |
JSAtom ** params = xnew(JSAtom *, function->nargs); |
js_DecompileFunction in jsopcode.cpp |
350 |
for (int i = 0; i < function->nargs; i++) { |
*/ |
351 |
/* initialize to NULL for sanity check */ |
Stream_write_char(f, '('); |
352 |
params[i] = NULL; |
JSArenaPool pool; |
353 |
} |
JS_INIT_ARENA_POOL(&pool, "instrument_function", 256, 1, &context->scriptStackQuota); |
354 |
JSScope * scope = OBJ_SCOPE(object); |
jsuword * local_names = NULL; |
355 |
for (JSScopeProperty * scope_property = SCOPE_LAST_PROP(scope); scope_property != NULL; scope_property = scope_property->parent) { |
if (JS_GET_LOCAL_NAME_COUNT(function)) { |
356 |
if (scope_property->getter != js_GetArgument) { |
local_names = js_GetLocalNameArray(context, function, &pool); |
357 |
continue; |
if (local_names == NULL) { |
358 |
|
fatal("out of memory"); |
359 |
} |
} |
|
assert(scope_property->flags & SPROP_HAS_SHORTID); |
|
|
assert((uint16) scope_property->shortid < function->nargs); |
|
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assert(JSID_IS_ATOM(scope_property->id)); |
|
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params[(uint16) scope_property->shortid] = JSID_TO_ATOM(scope_property->id); |
|
360 |
} |
} |
361 |
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bool destructuring = false; |
362 |
for (int i = 0; i < function->nargs; i++) { |
for (int i = 0; i < function->nargs; i++) { |
|
assert(params[i] != NULL); |
|
363 |
if (i > 0) { |
if (i > 0) { |
364 |
Stream_write_string(f, ", "); |
Stream_write_string(f, ", "); |
365 |
} |
} |
366 |
if (ATOM_IS_STRING(params[i])) { |
JSAtom * param = JS_LOCAL_NAME_TO_ATOM(local_names[i]); |
367 |
print_string_atom(params[i], f); |
if (param == NULL) { |
368 |
|
destructuring = true; |
369 |
|
JSParseNode * expression = NULL; |
370 |
|
assert(node->pn_body->pn_type == TOK_LC || node->pn_body->pn_type == TOK_BODY); |
371 |
|
JSParseNode * semi = node->pn_body->pn_head; |
372 |
|
assert(semi->pn_type == TOK_SEMI); |
373 |
|
JSParseNode * comma = semi->pn_kid; |
374 |
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assert(comma->pn_type == TOK_COMMA); |
375 |
|
for (JSParseNode * p = comma->pn_head; p != NULL; p = p->pn_next) { |
376 |
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assert(p->pn_type == TOK_ASSIGN); |
377 |
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JSParseNode * rhs = p->pn_right; |
378 |
|
assert(JSSTRING_LENGTH(ATOM_TO_STRING(rhs->pn_atom)) == 0); |
379 |
|
if (rhs->pn_slot == i) { |
380 |
|
expression = p->pn_left; |
381 |
|
break; |
382 |
|
} |
383 |
|
} |
384 |
|
assert(expression != NULL); |
385 |
|
output_expression(expression, f, false); |
386 |
|
} |
387 |
|
else { |
388 |
|
print_string_atom(param, f); |
389 |
} |
} |
390 |
} |
} |
391 |
|
JS_FinishArenaPool(&pool); |
392 |
Stream_write_string(f, ") {\n"); |
Stream_write_string(f, ") {\n"); |
|
free(params); |
|
393 |
|
|
394 |
/* function body */ |
/* function body */ |
395 |
instrument_statement(node->pn_body, f, indent + 2, false); |
if (function->flags & JSFUN_EXPR_CLOSURE) { |
396 |
|
/* expression closure - use output_statement instead of instrument_statement */ |
397 |
|
if (node->pn_body->pn_type == TOK_BODY) { |
398 |
|
assert(node->pn_body->pn_arity == PN_LIST); |
399 |
|
assert(node->pn_body->pn_count == 2); |
400 |
|
output_statement(node->pn_body->pn_head->pn_next, f, indent + 2, false); |
401 |
|
} |
402 |
|
else { |
403 |
|
output_statement(node->pn_body, f, indent + 2, false); |
404 |
|
} |
405 |
|
} |
406 |
|
else { |
407 |
|
assert(node->pn_body->pn_type == TOK_LC); |
408 |
|
assert(node->pn_body->pn_arity == PN_LIST); |
409 |
|
JSParseNode * p = node->pn_body->pn_head; |
410 |
|
if (destructuring) { |
411 |
|
p = p->pn_next; |
412 |
|
} |
413 |
|
for (; p != NULL; p = p->pn_next) { |
414 |
|
instrument_statement(p, f, indent + 2, false); |
415 |
|
} |
416 |
|
} |
417 |
|
|
418 |
Stream_write_string(f, "}\n"); |
Stream_write_char(f, '}'); |
419 |
} |
} |
420 |
|
|
421 |
static void instrument_function_call(JSParseNode * node, Stream * f) { |
static void instrument_function_call(JSParseNode * node, Stream * f) { |
422 |
instrument_expression(node->pn_head, f); |
JSParseNode * function_node = node->pn_head; |
423 |
|
if (function_node->pn_type == TOK_FUNCTION) { |
424 |
|
JSObject * object = function_node->pn_funpob->object; |
425 |
|
assert(JS_ObjectIsFunction(context, object)); |
426 |
|
JSFunction * function = (JSFunction *) JS_GetPrivate(context, object); |
427 |
|
assert(function); |
428 |
|
assert(object == &function->object); |
429 |
|
|
430 |
|
if (function_node->pn_flags & TCF_GENEXP_LAMBDA) { |
431 |
|
/* it's a generator expression */ |
432 |
|
Stream_write_char(f, '('); |
433 |
|
output_array_comprehension_or_generator_expression(function_node->pn_body, f); |
434 |
|
Stream_write_char(f, ')'); |
435 |
|
return; |
436 |
|
} |
437 |
|
} |
438 |
|
output_expression(function_node, f, false); |
439 |
Stream_write_char(f, '('); |
Stream_write_char(f, '('); |
440 |
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) { |
441 |
if (p != node->pn_head->pn_next) { |
if (p != node->pn_head->pn_next) { |
442 |
Stream_write_string(f, ", "); |
Stream_write_string(f, ", "); |
443 |
} |
} |
444 |
instrument_expression(p, f); |
output_expression(p, f, false); |
445 |
} |
} |
446 |
Stream_write_char(f, ')'); |
Stream_write_char(f, ')'); |
447 |
} |
} |
448 |
|
|
449 |
|
static void instrument_declarations(JSParseNode * list, Stream * f) { |
450 |
|
assert(list->pn_arity == PN_LIST); |
451 |
|
for (JSParseNode * p = list->pn_head; p != NULL; p = p->pn_next) { |
452 |
|
if (p != list->pn_head) { |
453 |
|
Stream_write_string(f, ", "); |
454 |
|
} |
455 |
|
output_expression(p, f, false); |
456 |
|
} |
457 |
|
} |
458 |
|
|
459 |
/* |
/* |
460 |
See <Expressions> in jsparse.h. |
See <Expressions> in jsparse.h. |
461 |
TOK_FUNCTION is handled as a statement and as an expression. |
TOK_FUNCTION is handled as a statement and as an expression. |
469 |
TOK_INSTANCEOF binary |
TOK_INSTANCEOF binary |
470 |
TOK_IN binary |
TOK_IN binary |
471 |
*/ |
*/ |
472 |
static void instrument_expression(JSParseNode * node, Stream * f) { |
static void output_expression(JSParseNode * node, Stream * f, bool parenthesize_object_literals) { |
473 |
switch (node->pn_type) { |
switch (node->pn_type) { |
474 |
case TOK_FUNCTION: |
case TOK_FUNCTION: |
475 |
|
Stream_write_char(f, '('); |
476 |
instrument_function(node, f, 0, FUNCTION_NORMAL); |
instrument_function(node, f, 0, FUNCTION_NORMAL); |
477 |
|
Stream_write_char(f, ')'); |
478 |
break; |
break; |
479 |
case TOK_COMMA: |
case TOK_COMMA: |
480 |
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) { |
481 |
if (p != node->pn_head) { |
if (p != node->pn_head) { |
482 |
Stream_write_string(f, ", "); |
Stream_write_string(f, ", "); |
483 |
} |
} |
484 |
instrument_expression(p, f); |
output_expression(p, f, parenthesize_object_literals); |
485 |
} |
} |
486 |
break; |
break; |
487 |
case TOK_ASSIGN: |
case TOK_ASSIGN: |
488 |
instrument_expression(node->pn_left, f); |
output_expression(node->pn_left, f, parenthesize_object_literals); |
489 |
Stream_write_char(f, ' '); |
Stream_write_char(f, ' '); |
490 |
switch (node->pn_op) { |
switch (node->pn_op) { |
491 |
case JSOP_ADD: |
case JSOP_ADD: |
506 |
break; |
break; |
507 |
} |
} |
508 |
Stream_write_string(f, "= "); |
Stream_write_string(f, "= "); |
509 |
instrument_expression(node->pn_right, f); |
output_expression(node->pn_right, f, false); |
510 |
break; |
break; |
511 |
case TOK_HOOK: |
case TOK_HOOK: |
512 |
instrument_expression(node->pn_kid1, f); |
output_expression(node->pn_kid1, f, parenthesize_object_literals); |
513 |
Stream_write_string(f, "? "); |
Stream_write_string(f, "? "); |
514 |
instrument_expression(node->pn_kid2, f); |
output_expression(node->pn_kid2, f, false); |
515 |
Stream_write_string(f, ": "); |
Stream_write_string(f, ": "); |
516 |
instrument_expression(node->pn_kid3, f); |
output_expression(node->pn_kid3, f, false); |
517 |
break; |
break; |
518 |
case TOK_OR: |
case TOK_OR: |
|
instrument_expression(node->pn_left, f); |
|
|
Stream_write_string(f, " || "); |
|
|
instrument_expression(node->pn_right, f); |
|
|
break; |
|
519 |
case TOK_AND: |
case TOK_AND: |
|
instrument_expression(node->pn_left, f); |
|
|
Stream_write_string(f, " && "); |
|
|
instrument_expression(node->pn_right, f); |
|
|
break; |
|
520 |
case TOK_BITOR: |
case TOK_BITOR: |
521 |
case TOK_BITXOR: |
case TOK_BITXOR: |
522 |
case TOK_BITAND: |
case TOK_BITAND: |
529 |
case TOK_DIVOP: |
case TOK_DIVOP: |
530 |
switch (node->pn_arity) { |
switch (node->pn_arity) { |
531 |
case PN_BINARY: |
case PN_BINARY: |
532 |
instrument_expression(node->pn_left, f); |
output_expression(node->pn_left, f, parenthesize_object_literals); |
533 |
Stream_printf(f, " %s ", get_op(node->pn_op)); |
Stream_printf(f, " %s ", get_op(node->pn_op)); |
534 |
instrument_expression(node->pn_right, f); |
output_expression(node->pn_right, f, false); |
535 |
break; |
break; |
536 |
case PN_LIST: |
case PN_LIST: |
537 |
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) { |
538 |
if (p != node->pn_head) { |
if (p == node->pn_head) { |
539 |
|
output_expression(p, f, parenthesize_object_literals); |
540 |
|
} |
541 |
|
else { |
542 |
Stream_printf(f, " %s ", get_op(node->pn_op)); |
Stream_printf(f, " %s ", get_op(node->pn_op)); |
543 |
|
output_expression(p, f, false); |
544 |
} |
} |
|
instrument_expression(p, f); |
|
545 |
} |
} |
546 |
break; |
break; |
547 |
default: |
default: |
551 |
case TOK_UNARYOP: |
case TOK_UNARYOP: |
552 |
switch (node->pn_op) { |
switch (node->pn_op) { |
553 |
case JSOP_NEG: |
case JSOP_NEG: |
554 |
Stream_write_char(f, '-'); |
Stream_write_string(f, "- "); |
555 |
instrument_expression(node->pn_kid, f); |
output_expression(node->pn_kid, f, false); |
556 |
break; |
break; |
557 |
case JSOP_POS: |
case JSOP_POS: |
558 |
Stream_write_char(f, '+'); |
Stream_write_string(f, "+ "); |
559 |
instrument_expression(node->pn_kid, f); |
output_expression(node->pn_kid, f, false); |
560 |
break; |
break; |
561 |
case JSOP_NOT: |
case JSOP_NOT: |
562 |
Stream_write_char(f, '!'); |
Stream_write_string(f, "! "); |
563 |
instrument_expression(node->pn_kid, f); |
output_expression(node->pn_kid, f, false); |
564 |
break; |
break; |
565 |
case JSOP_BITNOT: |
case JSOP_BITNOT: |
566 |
Stream_write_char(f, '~'); |
Stream_write_string(f, "~ "); |
567 |
instrument_expression(node->pn_kid, f); |
output_expression(node->pn_kid, f, false); |
568 |
break; |
break; |
569 |
case JSOP_TYPEOF: |
case JSOP_TYPEOF: |
570 |
Stream_write_string(f, "typeof "); |
Stream_write_string(f, "typeof "); |
571 |
instrument_expression(node->pn_kid, f); |
output_expression(node->pn_kid, f, false); |
572 |
break; |
break; |
573 |
case JSOP_VOID: |
case JSOP_VOID: |
574 |
Stream_write_string(f, "void "); |
Stream_write_string(f, "void "); |
575 |
instrument_expression(node->pn_kid, f); |
output_expression(node->pn_kid, f, false); |
576 |
break; |
break; |
577 |
default: |
default: |
578 |
abort(); |
fatal_source(file_id, node->pn_pos.begin.lineno, "unknown operator (%d)", node->pn_op); |
579 |
break; |
break; |
580 |
} |
} |
581 |
break; |
break; |
589 |
case JSOP_INCPROP: |
case JSOP_INCPROP: |
590 |
case JSOP_INCELEM: |
case JSOP_INCELEM: |
591 |
Stream_write_string(f, "++"); |
Stream_write_string(f, "++"); |
592 |
instrument_expression(node->pn_kid, f); |
output_expression(node->pn_kid, f, false); |
593 |
break; |
break; |
594 |
case JSOP_DECNAME: |
case JSOP_DECNAME: |
595 |
case JSOP_DECPROP: |
case JSOP_DECPROP: |
596 |
case JSOP_DECELEM: |
case JSOP_DECELEM: |
597 |
Stream_write_string(f, "--"); |
Stream_write_string(f, "--"); |
598 |
instrument_expression(node->pn_kid, f); |
output_expression(node->pn_kid, f, false); |
599 |
break; |
break; |
600 |
case JSOP_NAMEINC: |
case JSOP_NAMEINC: |
601 |
case JSOP_PROPINC: |
case JSOP_PROPINC: |
602 |
case JSOP_ELEMINC: |
case JSOP_ELEMINC: |
603 |
instrument_expression(node->pn_kid, f); |
output_expression(node->pn_kid, f, parenthesize_object_literals); |
604 |
Stream_write_string(f, "++"); |
Stream_write_string(f, "++"); |
605 |
break; |
break; |
606 |
case JSOP_NAMEDEC: |
case JSOP_NAMEDEC: |
607 |
case JSOP_PROPDEC: |
case JSOP_PROPDEC: |
608 |
case JSOP_ELEMDEC: |
case JSOP_ELEMDEC: |
609 |
instrument_expression(node->pn_kid, f); |
output_expression(node->pn_kid, f, parenthesize_object_literals); |
610 |
Stream_write_string(f, "--"); |
Stream_write_string(f, "--"); |
611 |
break; |
break; |
612 |
default: |
default: |
620 |
break; |
break; |
621 |
case TOK_DELETE: |
case TOK_DELETE: |
622 |
Stream_write_string(f, "delete "); |
Stream_write_string(f, "delete "); |
623 |
instrument_expression(node->pn_kid, f); |
output_expression(node->pn_kid, f, false); |
624 |
break; |
break; |
625 |
case TOK_DOT: |
case TOK_DOT: |
626 |
|
/* numeric literals must be parenthesized */ |
627 |
|
switch (node->pn_expr->pn_type) { |
628 |
|
case TOK_NUMBER: |
629 |
|
Stream_write_char(f, '('); |
630 |
|
output_expression(node->pn_expr, f, false); |
631 |
|
Stream_write_char(f, ')'); |
632 |
|
break; |
633 |
|
default: |
634 |
|
output_expression(node->pn_expr, f, true); |
635 |
|
break; |
636 |
|
} |
637 |
/* |
/* |
638 |
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' |
639 |
contains illegal characters, we have to use the subscript syntax instead of |
contains illegal characters, we have to use the subscript syntax instead of |
640 |
the dot syntax. |
the dot syntax. |
641 |
*/ |
*/ |
|
instrument_expression(node->pn_expr, f); |
|
642 |
assert(ATOM_IS_STRING(node->pn_atom)); |
assert(ATOM_IS_STRING(node->pn_atom)); |
643 |
{ |
{ |
644 |
JSString * s = ATOM_TO_STRING(node->pn_atom); |
JSString * s = ATOM_TO_STRING(node->pn_atom); |
645 |
/* XXX - semantics changed in 1.7 */ |
bool must_quote; |
646 |
if (! ATOM_KEYWORD(node->pn_atom) && js_IsIdentifier(s)) { |
if (JSSTRING_LENGTH(s) == 0) { |
647 |
Stream_write_char(f, '.'); |
must_quote = true; |
648 |
print_string_atom(node->pn_atom, f); |
} |
649 |
|
else if (js_CheckKeyword(JSSTRING_CHARS(s), JSSTRING_LENGTH(s)) != TOK_EOF) { |
650 |
|
must_quote = true; |
651 |
|
} |
652 |
|
else if (! js_IsIdentifier(s)) { |
653 |
|
must_quote = true; |
654 |
} |
} |
655 |
else { |
else { |
656 |
|
must_quote = false; |
657 |
|
} |
658 |
|
if (must_quote) { |
659 |
Stream_write_char(f, '['); |
Stream_write_char(f, '['); |
660 |
print_quoted_string_atom(node->pn_atom, f); |
print_quoted_string_atom(node->pn_atom, f); |
661 |
Stream_write_char(f, ']'); |
Stream_write_char(f, ']'); |
662 |
} |
} |
663 |
|
else { |
664 |
|
Stream_write_char(f, '.'); |
665 |
|
print_string_atom(node->pn_atom, f); |
666 |
|
} |
667 |
} |
} |
668 |
break; |
break; |
669 |
case TOK_LB: |
case TOK_LB: |
670 |
instrument_expression(node->pn_left, f); |
output_expression(node->pn_left, f, false); |
671 |
Stream_write_char(f, '['); |
Stream_write_char(f, '['); |
672 |
instrument_expression(node->pn_right, f); |
output_expression(node->pn_right, f, false); |
673 |
Stream_write_char(f, ']'); |
Stream_write_char(f, ']'); |
674 |
break; |
break; |
675 |
case TOK_LP: |
case TOK_LP: |
683 |
} |
} |
684 |
/* TOK_COMMA is a special case: a hole in the array */ |
/* TOK_COMMA is a special case: a hole in the array */ |
685 |
if (p->pn_type != TOK_COMMA) { |
if (p->pn_type != TOK_COMMA) { |
686 |
instrument_expression(p, f); |
output_expression(p, f, false); |
687 |
} |
} |
688 |
} |
} |
689 |
if (node->pn_extra == PNX_ENDCOMMA) { |
if (node->pn_extra == PNX_ENDCOMMA) { |
692 |
Stream_write_char(f, ']'); |
Stream_write_char(f, ']'); |
693 |
break; |
break; |
694 |
case TOK_RC: |
case TOK_RC: |
695 |
|
if (parenthesize_object_literals) { |
696 |
|
Stream_write_char(f, '('); |
697 |
|
} |
698 |
Stream_write_char(f, '{'); |
Stream_write_char(f, '{'); |
699 |
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) { |
700 |
assert(p->pn_type == TOK_COLON); |
if (p->pn_type != TOK_COLON) { |
701 |
|
fatal_source(file_id, p->pn_pos.begin.lineno, "unsupported node type (%d)", p->pn_type); |
702 |
|
} |
703 |
if (p != node->pn_head) { |
if (p != node->pn_head) { |
704 |
Stream_write_string(f, ", "); |
Stream_write_string(f, ", "); |
705 |
} |
} |
714 |
else { |
else { |
715 |
Stream_write_string(f, "set "); |
Stream_write_string(f, "set "); |
716 |
} |
} |
717 |
instrument_expression(p->pn_left, f); |
output_expression(p->pn_left, f, false); |
718 |
if (p->pn_right->pn_type != TOK_FUNCTION) { |
if (p->pn_right->pn_type != TOK_FUNCTION) { |
719 |
fatal("parse error: expected function"); |
fatal_source(file_id, p->pn_pos.begin.lineno, "expected function"); |
720 |
} |
} |
721 |
instrument_function(p->pn_right, f, 0, FUNCTION_GETTER_OR_SETTER); |
instrument_function(p->pn_right, f, 0, FUNCTION_GETTER_OR_SETTER); |
722 |
break; |
break; |
723 |
default: |
default: |
724 |
instrument_expression(p->pn_left, f); |
output_expression(p->pn_left, f, false); |
725 |
Stream_write_string(f, ": "); |
Stream_write_string(f, ": "); |
726 |
instrument_expression(p->pn_right, f); |
output_expression(p->pn_right, f, false); |
727 |
break; |
break; |
728 |
} |
} |
729 |
} |
} |
730 |
Stream_write_char(f, '}'); |
Stream_write_char(f, '}'); |
731 |
|
if (parenthesize_object_literals) { |
732 |
|
Stream_write_char(f, ')'); |
733 |
|
} |
734 |
break; |
break; |
735 |
case TOK_RP: |
case TOK_RP: |
736 |
Stream_write_char(f, '('); |
Stream_write_char(f, '('); |
737 |
instrument_expression(node->pn_kid, f); |
output_expression(node->pn_kid, f, false); |
738 |
Stream_write_char(f, ')'); |
Stream_write_char(f, ')'); |
739 |
break; |
break; |
740 |
case TOK_NAME: |
case TOK_NAME: |
741 |
print_string_atom(node->pn_atom, f); |
print_string_atom(node->pn_atom, f); |
742 |
|
if (node->pn_expr != NULL) { |
743 |
|
Stream_write_string(f, " = "); |
744 |
|
output_expression(node->pn_expr, f, false); |
745 |
|
} |
746 |
break; |
break; |
747 |
case TOK_STRING: |
case TOK_STRING: |
748 |
print_quoted_string_atom(node->pn_atom, f); |
print_quoted_string_atom(node->pn_atom, f); |
749 |
break; |
break; |
750 |
case TOK_OBJECT: |
case TOK_REGEXP: |
751 |
switch (node->pn_op) { |
assert(node->pn_op == JSOP_REGEXP); |
752 |
case JSOP_OBJECT: |
{ |
753 |
/* I assume this is JSOP_REGEXP */ |
JSObject * object = node->pn_pob->object; |
754 |
abort(); |
jsval result; |
755 |
break; |
js_regexp_toString(context, object, &result); |
756 |
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; |
|
757 |
} |
} |
758 |
break; |
break; |
759 |
case TOK_NUMBER: |
case TOK_NUMBER: |
766 |
if (node->pn_dval == 0.0) { |
if (node->pn_dval == 0.0) { |
767 |
Stream_write_string(f, "0"); |
Stream_write_string(f, "0"); |
768 |
} |
} |
769 |
|
else if (node->pn_dval == INFINITY) { |
770 |
|
Stream_write_string(f, "Number.POSITIVE_INFINITY"); |
771 |
|
} |
772 |
|
else if (node->pn_dval == -INFINITY) { |
773 |
|
Stream_write_string(f, "Number.NEGATIVE_INFINITY"); |
774 |
|
} |
775 |
|
else if (node->pn_dval == NAN) { |
776 |
|
Stream_write_string(f, "Number.NaN"); |
777 |
|
} |
778 |
else { |
else { |
779 |
Stream_printf(f, "%.15g", node->pn_dval); |
Stream_printf(f, "%.15g", node->pn_dval); |
780 |
} |
} |
799 |
} |
} |
800 |
break; |
break; |
801 |
case TOK_INSTANCEOF: |
case TOK_INSTANCEOF: |
802 |
instrument_expression(node->pn_left, f); |
output_expression(node->pn_left, f, parenthesize_object_literals); |
803 |
Stream_write_string(f, " instanceof "); |
Stream_write_string(f, " instanceof "); |
804 |
instrument_expression(node->pn_right, f); |
output_expression(node->pn_right, f, false); |
805 |
break; |
break; |
806 |
case TOK_IN: |
case TOK_IN: |
807 |
instrument_expression(node->pn_left, f); |
output_expression(node->pn_left, f, false); |
808 |
Stream_write_string(f, " in "); |
Stream_write_string(f, " in "); |
809 |
instrument_expression(node->pn_right, f); |
output_expression(node->pn_right, f, false); |
810 |
break; |
break; |
811 |
default: |
case TOK_LEXICALSCOPE: |
812 |
fatal("unsupported node type in file %s: %d", file_id, node->pn_type); |
assert(node->pn_arity == PN_NAME); |
813 |
} |
assert(node->pn_expr->pn_type == TOK_LET); |
814 |
} |
assert(node->pn_expr->pn_arity == PN_BINARY); |
815 |
|
Stream_write_string(f, "let("); |
816 |
static void instrument_var_statement(JSParseNode * node, Stream * f, int indent) { |
assert(node->pn_expr->pn_left->pn_type == TOK_LP); |
817 |
assert(node->pn_arity == PN_LIST); |
assert(node->pn_expr->pn_left->pn_arity == PN_LIST); |
818 |
Stream_printf(f, "%*s", indent, ""); |
instrument_declarations(node->pn_expr->pn_left, f); |
819 |
Stream_write_string(f, "var "); |
Stream_write_string(f, ") "); |
820 |
for (struct JSParseNode * p = node->pn_u.list.head; p != NULL; p = p->pn_next) { |
output_expression(node->pn_expr->pn_right, f, true); |
821 |
assert(p->pn_type == TOK_NAME); |
break; |
822 |
assert(p->pn_arity == PN_NAME); |
case TOK_YIELD: |
823 |
if (p != node->pn_head) { |
assert(node->pn_arity == PN_UNARY); |
824 |
Stream_write_string(f, ", "); |
Stream_write_string(f, "yield"); |
825 |
|
if (node->pn_kid != NULL) { |
826 |
|
Stream_write_char(f, ' '); |
827 |
|
output_expression(node->pn_kid, f, true); |
828 |
} |
} |
829 |
print_string_atom(p->pn_atom, f); |
break; |
830 |
if (p->pn_expr != NULL) { |
case TOK_ARRAYCOMP: |
831 |
Stream_write_string(f, " = "); |
assert(node->pn_arity == PN_LIST); |
832 |
instrument_expression(p->pn_expr, f); |
{ |
833 |
|
JSParseNode * block_node; |
834 |
|
switch (node->pn_count) { |
835 |
|
case 1: |
836 |
|
block_node = node->pn_head; |
837 |
|
break; |
838 |
|
case 2: |
839 |
|
block_node = node->pn_head->pn_next; |
840 |
|
break; |
841 |
|
default: |
842 |
|
abort(); |
843 |
|
break; |
844 |
|
} |
845 |
|
Stream_write_char(f, '['); |
846 |
|
output_array_comprehension_or_generator_expression(block_node, f); |
847 |
|
Stream_write_char(f, ']'); |
848 |
} |
} |
849 |
|
break; |
850 |
|
case TOK_VAR: |
851 |
|
assert(node->pn_arity == PN_LIST); |
852 |
|
Stream_write_string(f, "var "); |
853 |
|
instrument_declarations(node, f); |
854 |
|
break; |
855 |
|
case TOK_LET: |
856 |
|
assert(node->pn_arity == PN_LIST); |
857 |
|
Stream_write_string(f, "let "); |
858 |
|
instrument_declarations(node, f); |
859 |
|
break; |
860 |
|
default: |
861 |
|
fatal_source(file_id, node->pn_pos.begin.lineno, "unsupported node type (%d)", node->pn_type); |
862 |
} |
} |
863 |
} |
} |
864 |
|
|
866 |
switch (node->pn_type) { |
switch (node->pn_type) { |
867 |
case TOK_FUNCTION: |
case TOK_FUNCTION: |
868 |
instrument_function(node, f, indent, FUNCTION_NORMAL); |
instrument_function(node, f, indent, FUNCTION_NORMAL); |
869 |
|
Stream_write_char(f, '\n'); |
870 |
break; |
break; |
871 |
case TOK_LC: |
case TOK_LC: |
872 |
assert(node->pn_arity == PN_LIST); |
assert(node->pn_arity == PN_LIST); |
888 |
uint16_t line = node->pn_pos.begin.lineno; |
uint16_t line = node->pn_pos.begin.lineno; |
889 |
if (! is_jscoverage_if) { |
if (! is_jscoverage_if) { |
890 |
if (line > num_lines) { |
if (line > num_lines) { |
891 |
fatal("%s: script contains more than 65,535 lines", file_id); |
fatal("file %s contains more than 65,535 lines", file_id); |
892 |
} |
} |
893 |
if (line >= 2 && exclusive_directives[line - 2]) { |
if (line >= 2 && exclusive_directives[line - 2]) { |
894 |
is_jscoverage_if = true; |
is_jscoverage_if = true; |
897 |
|
|
898 |
Stream_printf(f, "%*s", indent, ""); |
Stream_printf(f, "%*s", indent, ""); |
899 |
Stream_write_string(f, "if ("); |
Stream_write_string(f, "if ("); |
900 |
instrument_expression(node->pn_kid1, f); |
output_expression(node->pn_kid1, f, false); |
901 |
Stream_write_string(f, ") {\n"); |
Stream_write_string(f, ") {\n"); |
902 |
if (is_jscoverage_if && node->pn_kid3) { |
if (is_jscoverage_if && node->pn_kid3) { |
903 |
uint16_t else_start = node->pn_kid3->pn_pos.begin.lineno; |
uint16_t else_start = node->pn_kid3->pn_pos.begin.lineno; |
934 |
assert(node->pn_arity == PN_BINARY); |
assert(node->pn_arity == PN_BINARY); |
935 |
Stream_printf(f, "%*s", indent, ""); |
Stream_printf(f, "%*s", indent, ""); |
936 |
Stream_write_string(f, "switch ("); |
Stream_write_string(f, "switch ("); |
937 |
instrument_expression(node->pn_left, f); |
output_expression(node->pn_left, f, false); |
938 |
Stream_write_string(f, ") {\n"); |
Stream_write_string(f, ") {\n"); |
939 |
for (struct JSParseNode * p = node->pn_right->pn_head; p != NULL; p = p->pn_next) { |
{ |
940 |
Stream_printf(f, "%*s", indent, ""); |
JSParseNode * list = node->pn_right; |
941 |
switch (p->pn_type) { |
if (list->pn_type == TOK_LEXICALSCOPE) { |
942 |
case TOK_CASE: |
list = list->pn_expr; |
943 |
Stream_write_string(f, "case "); |
} |
944 |
instrument_expression(p->pn_left, f); |
for (struct JSParseNode * p = list->pn_head; p != NULL; p = p->pn_next) { |
945 |
Stream_write_string(f, ":\n"); |
Stream_printf(f, "%*s", indent, ""); |
946 |
break; |
switch (p->pn_type) { |
947 |
case TOK_DEFAULT: |
case TOK_CASE: |
948 |
Stream_write_string(f, "default:\n"); |
Stream_write_string(f, "case "); |
949 |
break; |
output_expression(p->pn_left, f, false); |
950 |
default: |
Stream_write_string(f, ":\n"); |
951 |
abort(); |
break; |
952 |
break; |
case TOK_DEFAULT: |
953 |
|
Stream_write_string(f, "default:\n"); |
954 |
|
break; |
955 |
|
default: |
956 |
|
abort(); |
957 |
|
break; |
958 |
|
} |
959 |
|
instrument_statement(p->pn_right, f, indent + 2, false); |
960 |
} |
} |
|
instrument_statement(p->pn_right, f, indent + 2, false); |
|
961 |
} |
} |
962 |
Stream_printf(f, "%*s", indent, ""); |
Stream_printf(f, "%*s", indent, ""); |
963 |
Stream_write_string(f, "}\n"); |
Stream_write_string(f, "}\n"); |
970 |
assert(node->pn_arity == PN_BINARY); |
assert(node->pn_arity == PN_BINARY); |
971 |
Stream_printf(f, "%*s", indent, ""); |
Stream_printf(f, "%*s", indent, ""); |
972 |
Stream_write_string(f, "while ("); |
Stream_write_string(f, "while ("); |
973 |
instrument_expression(node->pn_left, f); |
output_expression(node->pn_left, f, false); |
974 |
Stream_write_string(f, ") {\n"); |
Stream_write_string(f, ") {\n"); |
975 |
instrument_statement(node->pn_right, f, indent + 2, false); |
instrument_statement(node->pn_right, f, indent + 2, false); |
976 |
Stream_write_string(f, "}\n"); |
Stream_write_string(f, "}\n"); |
983 |
Stream_write_string(f, "}\n"); |
Stream_write_string(f, "}\n"); |
984 |
Stream_printf(f, "%*s", indent, ""); |
Stream_printf(f, "%*s", indent, ""); |
985 |
Stream_write_string(f, "while ("); |
Stream_write_string(f, "while ("); |
986 |
instrument_expression(node->pn_right, f); |
output_expression(node->pn_right, f, false); |
987 |
Stream_write_string(f, ");\n"); |
Stream_write_string(f, ");\n"); |
988 |
break; |
break; |
989 |
case TOK_FOR: |
case TOK_FOR: |
990 |
assert(node->pn_arity == PN_BINARY); |
assert(node->pn_arity == PN_BINARY); |
991 |
Stream_printf(f, "%*s", indent, ""); |
Stream_printf(f, "%*s", indent, ""); |
|
Stream_write_string(f, "for ("); |
|
992 |
switch (node->pn_left->pn_type) { |
switch (node->pn_left->pn_type) { |
993 |
case TOK_IN: |
case TOK_IN: |
994 |
/* for/in */ |
/* for/in */ |
995 |
assert(node->pn_left->pn_arity == PN_BINARY); |
assert(node->pn_left->pn_arity == PN_BINARY); |
996 |
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); |
|
997 |
break; |
break; |
998 |
case TOK_RESERVED: |
case TOK_RESERVED: |
999 |
/* for (;;) */ |
/* for (;;) */ |
1000 |
assert(node->pn_left->pn_arity == PN_TERNARY); |
assert(node->pn_left->pn_arity == PN_TERNARY); |
1001 |
|
Stream_write_string(f, "for ("); |
1002 |
if (node->pn_left->pn_kid1) { |
if (node->pn_left->pn_kid1) { |
1003 |
if (node->pn_left->pn_kid1->pn_type == TOK_VAR) { |
output_expression(node->pn_left->pn_kid1, f, false); |
|
instrument_var_statement(node->pn_left->pn_kid1, f, 0); |
|
|
} |
|
|
else { |
|
|
instrument_expression(node->pn_left->pn_kid1, f); |
|
|
} |
|
1004 |
} |
} |
1005 |
Stream_write_string(f, ";"); |
Stream_write_string(f, ";"); |
1006 |
if (node->pn_left->pn_kid2) { |
if (node->pn_left->pn_kid2) { |
1007 |
Stream_write_char(f, ' '); |
Stream_write_char(f, ' '); |
1008 |
instrument_expression(node->pn_left->pn_kid2, f); |
output_expression(node->pn_left->pn_kid2, f, false); |
1009 |
} |
} |
1010 |
Stream_write_string(f, ";"); |
Stream_write_string(f, ";"); |
1011 |
if (node->pn_left->pn_kid3) { |
if (node->pn_left->pn_kid3) { |
1012 |
Stream_write_char(f, ' '); |
Stream_write_char(f, ' '); |
1013 |
instrument_expression(node->pn_left->pn_kid3, f); |
output_expression(node->pn_left->pn_kid3, f, false); |
1014 |
} |
} |
1015 |
|
Stream_write_char(f, ')'); |
1016 |
break; |
break; |
1017 |
default: |
default: |
1018 |
abort(); |
abort(); |
1019 |
break; |
break; |
1020 |
} |
} |
1021 |
Stream_write_string(f, ") {\n"); |
Stream_write_string(f, " {\n"); |
1022 |
instrument_statement(node->pn_right, f, indent + 2, false); |
instrument_statement(node->pn_right, f, indent + 2, false); |
1023 |
Stream_write_string(f, "}\n"); |
Stream_write_string(f, "}\n"); |
1024 |
break; |
break; |
1026 |
assert(node->pn_arity == PN_UNARY); |
assert(node->pn_arity == PN_UNARY); |
1027 |
Stream_printf(f, "%*s", indent, ""); |
Stream_printf(f, "%*s", indent, ""); |
1028 |
Stream_write_string(f, "throw "); |
Stream_write_string(f, "throw "); |
1029 |
instrument_expression(node->pn_u.unary.kid, f); |
output_expression(node->pn_u.unary.kid, f, false); |
1030 |
Stream_write_string(f, ";\n"); |
Stream_write_string(f, ";\n"); |
1031 |
break; |
break; |
1032 |
case TOK_TRY: |
case TOK_TRY: |
1035 |
instrument_statement(node->pn_kid1, f, indent + 2, false); |
instrument_statement(node->pn_kid1, f, indent + 2, false); |
1036 |
Stream_printf(f, "%*s", indent, ""); |
Stream_printf(f, "%*s", indent, ""); |
1037 |
Stream_write_string(f, "}\n"); |
Stream_write_string(f, "}\n"); |
1038 |
{ |
if (node->pn_kid2) { |
1039 |
for (JSParseNode * catch = node->pn_kid2; catch != NULL; catch = catch->pn_kid2) { |
assert(node->pn_kid2->pn_type == TOK_RESERVED); |
1040 |
|
for (JSParseNode * scope = node->pn_kid2->pn_head; scope != NULL; scope = scope->pn_next) { |
1041 |
|
assert(scope->pn_type == TOK_LEXICALSCOPE); |
1042 |
|
JSParseNode * catch = scope->pn_expr; |
1043 |
assert(catch->pn_type == TOK_CATCH); |
assert(catch->pn_type == TOK_CATCH); |
1044 |
Stream_printf(f, "%*s", indent, ""); |
Stream_printf(f, "%*s", indent, ""); |
1045 |
Stream_write_string(f, "catch ("); |
Stream_write_string(f, "catch ("); |
1046 |
assert(catch->pn_kid1->pn_arity == PN_NAME); |
output_expression(catch->pn_kid1, f, false); |
1047 |
print_string_atom(catch->pn_kid1->pn_atom, f); |
if (catch->pn_kid2) { |
|
if (catch->pn_kid1->pn_expr) { |
|
1048 |
Stream_write_string(f, " if "); |
Stream_write_string(f, " if "); |
1049 |
instrument_expression(catch->pn_kid1->pn_expr, f); |
output_expression(catch->pn_kid2, f, false); |
1050 |
} |
} |
1051 |
Stream_write_string(f, ") {\n"); |
Stream_write_string(f, ") {\n"); |
1052 |
instrument_statement(catch->pn_kid3, f, indent + 2, false); |
instrument_statement(catch->pn_kid3, f, indent + 2, false); |
1081 |
assert(node->pn_arity == PN_BINARY); |
assert(node->pn_arity == PN_BINARY); |
1082 |
Stream_printf(f, "%*s", indent, ""); |
Stream_printf(f, "%*s", indent, ""); |
1083 |
Stream_write_string(f, "with ("); |
Stream_write_string(f, "with ("); |
1084 |
instrument_expression(node->pn_left, f); |
output_expression(node->pn_left, f, false); |
1085 |
Stream_write_string(f, ") {\n"); |
Stream_write_string(f, ") {\n"); |
1086 |
instrument_statement(node->pn_right, f, indent + 2, false); |
instrument_statement(node->pn_right, f, indent + 2, false); |
1087 |
Stream_printf(f, "%*s", indent, ""); |
Stream_printf(f, "%*s", indent, ""); |
1088 |
Stream_write_string(f, "}\n"); |
Stream_write_string(f, "}\n"); |
1089 |
break; |
break; |
1090 |
case TOK_VAR: |
case TOK_VAR: |
1091 |
instrument_var_statement(node, f, indent); |
Stream_printf(f, "%*s", indent, ""); |
1092 |
|
output_expression(node, f, false); |
1093 |
Stream_write_string(f, ";\n"); |
Stream_write_string(f, ";\n"); |
1094 |
break; |
break; |
1095 |
case TOK_RETURN: |
case TOK_RETURN: |
1098 |
Stream_write_string(f, "return"); |
Stream_write_string(f, "return"); |
1099 |
if (node->pn_kid != NULL) { |
if (node->pn_kid != NULL) { |
1100 |
Stream_write_char(f, ' '); |
Stream_write_char(f, ' '); |
1101 |
instrument_expression(node->pn_kid, f); |
output_expression(node->pn_kid, f, true); |
1102 |
} |
} |
1103 |
Stream_write_string(f, ";\n"); |
Stream_write_string(f, ";\n"); |
1104 |
break; |
break; |
1106 |
assert(node->pn_arity == PN_UNARY); |
assert(node->pn_arity == PN_UNARY); |
1107 |
Stream_printf(f, "%*s", indent, ""); |
Stream_printf(f, "%*s", indent, ""); |
1108 |
if (node->pn_kid != NULL) { |
if (node->pn_kid != NULL) { |
1109 |
instrument_expression(node->pn_kid, f); |
output_expression(node->pn_kid, f, true); |
1110 |
} |
} |
1111 |
Stream_write_string(f, ";\n"); |
Stream_write_string(f, ";\n"); |
1112 |
break; |
break; |
1113 |
case TOK_COLON: |
case TOK_COLON: |
1114 |
|
{ |
1115 |
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 ... |
|
|
*/ |
|
1116 |
Stream_printf(f, "%*s", indent < 2? 0: indent - 2, ""); |
Stream_printf(f, "%*s", indent < 2? 0: indent - 2, ""); |
1117 |
print_string_atom(node->pn_atom, f); |
print_string_atom(node->pn_atom, f); |
1118 |
Stream_write_string(f, ":\n"); |
Stream_write_string(f, ":\n"); |
1119 |
/* |
JSParseNode * labelled = node->pn_expr; |
1120 |
... use output_statement instead of instrument_statement. |
if (labelled->pn_type == TOK_LEXICALSCOPE) { |
1121 |
*/ |
labelled = labelled->pn_expr; |
1122 |
output_statement(node->pn_expr, f, indent, false); |
} |
1123 |
|
if (labelled->pn_type == TOK_LC) { |
1124 |
|
/* labelled block */ |
1125 |
|
Stream_printf(f, "%*s", indent, ""); |
1126 |
|
Stream_write_string(f, "{\n"); |
1127 |
|
instrument_statement(labelled, f, indent + 2, false); |
1128 |
|
Stream_printf(f, "%*s", indent, ""); |
1129 |
|
Stream_write_string(f, "}\n"); |
1130 |
|
} |
1131 |
|
else { |
1132 |
|
/* |
1133 |
|
This one is tricky: can't output instrumentation between the label and the |
1134 |
|
statement it's supposed to label, so use output_statement instead of |
1135 |
|
instrument_statement. |
1136 |
|
*/ |
1137 |
|
output_statement(labelled, f, indent, false); |
1138 |
|
} |
1139 |
|
break; |
1140 |
|
} |
1141 |
|
case TOK_LEXICALSCOPE: |
1142 |
|
/* let statement */ |
1143 |
|
assert(node->pn_arity == PN_NAME); |
1144 |
|
switch (node->pn_expr->pn_type) { |
1145 |
|
case TOK_LET: |
1146 |
|
/* let statement */ |
1147 |
|
assert(node->pn_expr->pn_arity == PN_BINARY); |
1148 |
|
instrument_statement(node->pn_expr, f, indent, false); |
1149 |
|
break; |
1150 |
|
case TOK_LC: |
1151 |
|
/* block */ |
1152 |
|
Stream_printf(f, "%*s", indent, ""); |
1153 |
|
Stream_write_string(f, "{\n"); |
1154 |
|
instrument_statement(node->pn_expr, f, indent + 2, false); |
1155 |
|
Stream_printf(f, "%*s", indent, ""); |
1156 |
|
Stream_write_string(f, "}\n"); |
1157 |
|
break; |
1158 |
|
case TOK_FOR: |
1159 |
|
instrument_statement(node->pn_expr, f, indent, false); |
1160 |
|
break; |
1161 |
|
default: |
1162 |
|
abort(); |
1163 |
|
break; |
1164 |
|
} |
1165 |
|
break; |
1166 |
|
case TOK_LET: |
1167 |
|
switch (node->pn_arity) { |
1168 |
|
case PN_BINARY: |
1169 |
|
/* let statement */ |
1170 |
|
Stream_printf(f, "%*s", indent, ""); |
1171 |
|
Stream_write_string(f, "let ("); |
1172 |
|
assert(node->pn_left->pn_type == TOK_LP); |
1173 |
|
assert(node->pn_left->pn_arity == PN_LIST); |
1174 |
|
instrument_declarations(node->pn_left, f); |
1175 |
|
Stream_write_string(f, ") {\n"); |
1176 |
|
instrument_statement(node->pn_right, f, indent + 2, false); |
1177 |
|
Stream_printf(f, "%*s", indent, ""); |
1178 |
|
Stream_write_string(f, "}\n"); |
1179 |
|
break; |
1180 |
|
case PN_LIST: |
1181 |
|
/* let definition */ |
1182 |
|
Stream_printf(f, "%*s", indent, ""); |
1183 |
|
output_expression(node, f, false); |
1184 |
|
Stream_write_string(f, ";\n"); |
1185 |
|
break; |
1186 |
|
default: |
1187 |
|
abort(); |
1188 |
|
break; |
1189 |
|
} |
1190 |
|
break; |
1191 |
|
case TOK_DEBUGGER: |
1192 |
|
Stream_printf(f, "%*s", indent, ""); |
1193 |
|
Stream_write_string(f, "debugger;\n"); |
1194 |
break; |
break; |
1195 |
default: |
default: |
1196 |
fatal("unsupported node type in file %s: %d", file_id, node->pn_type); |
fatal_source(file_id, node->pn_pos.begin.lineno, "unsupported node type (%d)", node->pn_type); |
1197 |
} |
} |
1198 |
} |
} |
1199 |
|
|
1203 |
TOK_EXPORT, TOK_IMPORT are not handled. |
TOK_EXPORT, TOK_IMPORT are not handled. |
1204 |
*/ |
*/ |
1205 |
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) { |
1206 |
if (node->pn_type != TOK_LC) { |
if (node->pn_type != TOK_LC && node->pn_type != TOK_LEXICALSCOPE) { |
1207 |
uint16_t line = node->pn_pos.begin.lineno; |
uint16_t line = node->pn_pos.begin.lineno; |
1208 |
if (line > num_lines) { |
if (line > num_lines) { |
1209 |
fatal("%s: script contains more than 65,535 lines", file_id); |
fatal("file %s contains more than 65,535 lines", file_id); |
1210 |
} |
} |
1211 |
|
|
1212 |
/* the root node has line number 0 */ |
/* the root node has line number 0 */ |
1254 |
} |
} |
1255 |
|
|
1256 |
static void error_reporter(JSContext * context, const char * message, JSErrorReport * report) { |
static void error_reporter(JSContext * context, const char * message, JSErrorReport * report) { |
1257 |
fprintf(stderr, "jscoverage: parse error: line %u: %s\n", report->lineno, message); |
warn_source(file_id, report->lineno, "%s", message); |
1258 |
} |
} |
1259 |
|
|
1260 |
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) { |
1261 |
file_id = id; |
file_id = id; |
1262 |
|
|
|
/* scan the javascript */ |
|
|
JSTokenStream * token_stream = js_NewTokenStream(context, characters, num_characters, NULL, 1, NULL); |
|
|
if (token_stream == NULL) { |
|
|
fatal("cannot create token stream from file: %s", file_id); |
|
|
} |
|
|
|
|
1263 |
/* parse the javascript */ |
/* parse the javascript */ |
1264 |
|
JSParseContext parse_context; |
1265 |
|
if (! js_InitParseContext(context, &parse_context, NULL, NULL, characters, num_characters, NULL, NULL, 1)) { |
1266 |
|
fatal("cannot create token stream from file %s", file_id); |
1267 |
|
} |
1268 |
JSErrorReporter old_error_reporter = JS_SetErrorReporter(context, error_reporter); |
JSErrorReporter old_error_reporter = JS_SetErrorReporter(context, error_reporter); |
1269 |
JSParseNode * node = js_ParseTokenStream(context, global, token_stream); |
JSParseNode * node = js_ParseScript(context, global, &parse_context); |
1270 |
if (node == NULL) { |
if (node == NULL) { |
1271 |
js_ReportUncaughtException(context); |
js_ReportUncaughtException(context); |
1272 |
fatal("parse error in file: %s", file_id); |
fatal("parse error in file %s", file_id); |
1273 |
} |
} |
1274 |
JS_SetErrorReporter(context, old_error_reporter); |
JS_SetErrorReporter(context, old_error_reporter); |
1275 |
num_lines = node->pn_pos.end.lineno; |
num_lines = node->pn_pos.end.lineno; |
1290 |
size_t i = 0; |
size_t i = 0; |
1291 |
while (i < num_characters) { |
while (i < num_characters) { |
1292 |
if (line_number == UINT16_MAX) { |
if (line_number == UINT16_MAX) { |
1293 |
fatal("%s: script has more than 65,535 lines", file_id); |
fatal("file %s contains more than 65,535 lines", file_id); |
1294 |
} |
} |
1295 |
line_number++; |
line_number++; |
1296 |
size_t line_start = i; |
size_t line_start = i; |
1353 |
|
|
1354 |
Stream * instrumented = Stream_new(0); |
Stream * instrumented = Stream_new(0); |
1355 |
instrument_statement(node, instrumented, 0, false); |
instrument_statement(node, instrumented, 0, false); |
1356 |
|
js_FinishParseContext(context, &parse_context); |
1357 |
|
|
1358 |
/* write line number info to the output */ |
/* write line number info to the output */ |
1359 |
Stream_write_string(output, "/* automatically generated by JSCoverage - do not edit */\n"); |
Stream_write_string(output, "/* automatically generated by JSCoverage - do not edit */\n"); |
1360 |
Stream_write_string(output, "if (! top._$jscoverage) {\n top._$jscoverage = {};\n}\n"); |
if (jscoverage_mozilla) { |
1361 |
Stream_write_string(output, "var _$jscoverage = top._$jscoverage;\n"); |
Stream_write_string(output, "try {\n"); |
1362 |
|
Stream_write_string(output, " Components.utils.import('resource://gre/modules/jscoverage.jsm');\n"); |
1363 |
|
Stream_printf(output, " dump('%s: successfully imported jscoverage module\\n');\n", id); |
1364 |
|
Stream_write_string(output, "}\n"); |
1365 |
|
Stream_write_string(output, "catch (e) {\n"); |
1366 |
|
Stream_write_string(output, " _$jscoverage = {};\n"); |
1367 |
|
Stream_printf(output, " dump('%s: failed to import jscoverage module - coverage not available for this file\\n');\n", id); |
1368 |
|
Stream_write_string(output, "}\n"); |
1369 |
|
} |
1370 |
|
else { |
1371 |
|
Stream_write_string(output, "if (! top._$jscoverage) {\n top._$jscoverage = {};\n}\n"); |
1372 |
|
Stream_write_string(output, "var _$jscoverage = top._$jscoverage;\n"); |
1373 |
|
} |
1374 |
Stream_printf(output, "if (! _$jscoverage['%s']) {\n", file_id); |
Stream_printf(output, "if (! _$jscoverage['%s']) {\n", file_id); |
1375 |
Stream_printf(output, " _$jscoverage['%s'] = [];\n", file_id); |
Stream_printf(output, " _$jscoverage['%s'] = [];\n", file_id); |
1376 |
for (int i = 0; i < num_lines; i++) { |
for (int i = 0; i < num_lines; i++) { |
1446 |
/* line feed (new line) */ |
/* line feed (new line) */ |
1447 |
done = true; |
done = true; |
1448 |
break; |
break; |
1449 |
|
/* IE doesn't support this */ |
1450 |
|
/* |
1451 |
case 0xb: |
case 0xb: |
|
/* vertical tab */ |
|
1452 |
Stream_write_string(output, "\\v"); |
Stream_write_string(output, "\\v"); |
1453 |
break; |
break; |
1454 |
|
*/ |
1455 |
case 0xc: |
case 0xc: |
1456 |
/* form feed */ |
/* form feed */ |
1457 |
Stream_write_string(output, "\\f"); |
Stream_write_string(output, "\\f"); |
1506 |
/* line feed (new line) */ |
/* line feed (new line) */ |
1507 |
done = true; |
done = true; |
1508 |
break; |
break; |
1509 |
|
/* IE doesn't support this */ |
1510 |
|
/* |
1511 |
case 0xb: |
case 0xb: |
|
/* vertical tab */ |
|
1512 |
Stream_write_string(output, "\\v"); |
Stream_write_string(output, "\\v"); |
1513 |
break; |
break; |
1514 |
|
*/ |
1515 |
case 0xc: |
case 0xc: |
1516 |
/* form feed */ |
/* form feed */ |
1517 |
Stream_write_string(output, "\\f"); |
Stream_write_string(output, "\\f"); |
1638 |
} |
} |
1639 |
|
|
1640 |
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) { |
1641 |
|
int result = 0; |
1642 |
|
|
1643 |
jschar * base = js_InflateString(context, (char *) json, &length); |
jschar * base = js_InflateString(context, (char *) json, &length); |
1644 |
if (base == NULL) { |
if (base == NULL) { |
1645 |
fatal("out of memory"); |
fatal("out of memory"); |
1652 |
|
|
1653 |
JS_free(context, base); |
JS_free(context, base); |
1654 |
|
|
1655 |
JSTokenStream * token_stream = js_NewTokenStream(context, parenthesized_json, length + 2, NULL, 1, NULL); |
JSParseContext parse_context; |
1656 |
if (token_stream == NULL) { |
if (! js_InitParseContext(context, &parse_context, NULL, NULL, parenthesized_json, length + 2, NULL, NULL, 1)) { |
1657 |
fatal("cannot create token stream"); |
free(parenthesized_json); |
1658 |
|
return -1; |
1659 |
} |
} |
1660 |
|
JSParseNode * root = js_ParseScript(context, global, &parse_context); |
|
JSParseNode * root = js_ParseTokenStream(context, global, token_stream); |
|
1661 |
free(parenthesized_json); |
free(parenthesized_json); |
1662 |
if (root == NULL) { |
if (root == NULL) { |
1663 |
return -1; |
result = -1; |
1664 |
|
goto done; |
1665 |
} |
} |
1666 |
|
|
1667 |
/* root node must be TOK_LC */ |
/* root node must be TOK_LC */ |
1668 |
if (root->pn_type != TOK_LC) { |
if (root->pn_type != TOK_LC) { |
1669 |
return -1; |
result = -1; |
1670 |
|
goto done; |
1671 |
} |
} |
1672 |
JSParseNode * semi = root->pn_u.list.head; |
JSParseNode * semi = root->pn_u.list.head; |
1673 |
|
|
1674 |
/* 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 */ |
1675 |
if (semi->pn_type != TOK_SEMI || semi->pn_next != NULL) { |
if (semi->pn_type != TOK_SEMI || semi->pn_next != NULL) { |
1676 |
return -1; |
result = -1; |
1677 |
|
goto done; |
1678 |
} |
} |
1679 |
JSParseNode * parenthesized = semi->pn_kid; |
JSParseNode * parenthesized = semi->pn_kid; |
1680 |
|
|
1681 |
/* this must be a parenthesized expression */ |
/* this must be a parenthesized expression */ |
1682 |
if (parenthesized->pn_type != TOK_RP) { |
if (parenthesized->pn_type != TOK_RP) { |
1683 |
return -1; |
result = -1; |
1684 |
|
goto done; |
1685 |
} |
} |
1686 |
JSParseNode * object = parenthesized->pn_kid; |
JSParseNode * object = parenthesized->pn_kid; |
1687 |
|
|
1688 |
/* this must be an object literal */ |
/* this must be an object literal */ |
1689 |
if (object->pn_type != TOK_RC) { |
if (object->pn_type != TOK_RC) { |
1690 |
return -1; |
result = -1; |
1691 |
|
goto done; |
1692 |
} |
} |
1693 |
|
|
1694 |
for (JSParseNode * p = object->pn_head; p != NULL; p = p->pn_next) { |
for (JSParseNode * p = object->pn_head; p != NULL; p = p->pn_next) { |
1695 |
/* every element of this list must be TOK_COLON */ |
/* every element of this list must be TOK_COLON */ |
1696 |
if (p->pn_type != TOK_COLON) { |
if (p->pn_type != TOK_COLON) { |
1697 |
return -1; |
result = -1; |
1698 |
|
goto done; |
1699 |
} |
} |
1700 |
|
|
1701 |
/* the key must be a string representing the file */ |
/* the key must be a string representing the file */ |
1702 |
JSParseNode * key = p->pn_left; |
JSParseNode * key = p->pn_left; |
1703 |
if (key->pn_type != TOK_STRING || ! ATOM_IS_STRING(key->pn_atom)) { |
if (key->pn_type != TOK_STRING || ! ATOM_IS_STRING(key->pn_atom)) { |
1704 |
return -1; |
result = -1; |
1705 |
|
goto done; |
1706 |
} |
} |
1707 |
char * id_bytes = JS_GetStringBytes(ATOM_TO_STRING(key->pn_atom)); |
char * id_bytes = JS_GetStringBytes(ATOM_TO_STRING(key->pn_atom)); |
1708 |
|
|
1709 |
/* the value must be an object literal OR an array */ |
/* the value must be an object literal OR an array */ |
1710 |
JSParseNode * value = p->pn_right; |
JSParseNode * value = p->pn_right; |
1711 |
if (! (value->pn_type == TOK_RC || value->pn_type == TOK_RB)) { |
if (! (value->pn_type == TOK_RC || value->pn_type == TOK_RB)) { |
1712 |
return -1; |
result = -1; |
1713 |
|
goto done; |
1714 |
} |
} |
1715 |
|
|
1716 |
JSParseNode * array = NULL; |
JSParseNode * array = NULL; |
1722 |
else if (value->pn_type == TOK_RC) { |
else if (value->pn_type == TOK_RC) { |
1723 |
/* an object literal */ |
/* an object literal */ |
1724 |
if (value->pn_count != 2) { |
if (value->pn_count != 2) { |
1725 |
return -1; |
result = -1; |
1726 |
|
goto done; |
1727 |
} |
} |
1728 |
for (JSParseNode * element = value->pn_head; element != NULL; element = element->pn_next) { |
for (JSParseNode * element = value->pn_head; element != NULL; element = element->pn_next) { |
1729 |
if (element->pn_type != TOK_COLON) { |
if (element->pn_type != TOK_COLON) { |
1730 |
return -1; |
result = -1; |
1731 |
|
goto done; |
1732 |
} |
} |
1733 |
JSParseNode * left = element->pn_left; |
JSParseNode * left = element->pn_left; |
1734 |
if (left->pn_type != TOK_STRING || ! ATOM_IS_STRING(left->pn_atom)) { |
if (left->pn_type != TOK_STRING || ! ATOM_IS_STRING(left->pn_atom)) { |
1735 |
return -1; |
result = -1; |
1736 |
|
goto done; |
1737 |
} |
} |
1738 |
const char * s = JS_GetStringBytes(ATOM_TO_STRING(left->pn_atom)); |
const char * s = JS_GetStringBytes(ATOM_TO_STRING(left->pn_atom)); |
1739 |
if (strcmp(s, "coverage") == 0) { |
if (strcmp(s, "coverage") == 0) { |
1740 |
array = element->pn_right; |
array = element->pn_right; |
1741 |
if (array->pn_type != TOK_RB) { |
if (array->pn_type != TOK_RB) { |
1742 |
return -1; |
result = -1; |
1743 |
|
goto done; |
1744 |
} |
} |
1745 |
} |
} |
1746 |
else if (strcmp(s, "source") == 0) { |
else if (strcmp(s, "source") == 0) { |
1747 |
source = element->pn_right; |
source = element->pn_right; |
1748 |
if (source->pn_type != TOK_RB) { |
if (source->pn_type != TOK_RB) { |
1749 |
return -1; |
result = -1; |
1750 |
|
goto done; |
1751 |
} |
} |
1752 |
} |
} |
1753 |
else { |
else { |
1754 |
return -1; |
result = -1; |
1755 |
|
goto done; |
1756 |
} |
} |
1757 |
} |
} |
1758 |
} |
} |
1759 |
else { |
else { |
1760 |
return -1; |
result = -1; |
1761 |
|
goto done; |
1762 |
} |
} |
1763 |
|
|
1764 |
if (array == NULL) { |
if (array == NULL) { |
1765 |
return -1; |
result = -1; |
1766 |
|
goto done; |
1767 |
} |
} |
1768 |
|
|
1769 |
/* look up the file in the coverage table */ |
/* look up the file in the coverage table */ |
1787 |
file_coverage->coverage_lines[i] = -1; |
file_coverage->coverage_lines[i] = -1; |
1788 |
} |
} |
1789 |
else { |
else { |
1790 |
return -1; |
result = -1; |
1791 |
|
goto done; |
1792 |
} |
} |
1793 |
} |
} |
1794 |
assert(i == array->pn_count); |
assert(i == array->pn_count); |
1804 |
/* sanity check */ |
/* sanity check */ |
1805 |
assert(strcmp(file_coverage->id, id_bytes) == 0); |
assert(strcmp(file_coverage->id, id_bytes) == 0); |
1806 |
if (file_coverage->num_coverage_lines != array->pn_count) { |
if (file_coverage->num_coverage_lines != array->pn_count) { |
1807 |
return -2; |
result = -2; |
1808 |
|
goto done; |
1809 |
} |
} |
1810 |
|
|
1811 |
/* merge the coverage */ |
/* merge the coverage */ |
1813 |
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++) { |
1814 |
if (element->pn_type == TOK_NUMBER) { |
if (element->pn_type == TOK_NUMBER) { |
1815 |
if (file_coverage->coverage_lines[i] == -1) { |
if (file_coverage->coverage_lines[i] == -1) { |
1816 |
return -2; |
result = -2; |
1817 |
|
goto done; |
1818 |
} |
} |
1819 |
file_coverage->coverage_lines[i] += (int) element->pn_dval; |
file_coverage->coverage_lines[i] += (int) element->pn_dval; |
1820 |
} |
} |
1821 |
else if (element->pn_type == TOK_PRIMARY && element->pn_op == JSOP_NULL) { |
else if (element->pn_type == TOK_PRIMARY && element->pn_op == JSOP_NULL) { |
1822 |
if (file_coverage->coverage_lines[i] != -1) { |
if (file_coverage->coverage_lines[i] != -1) { |
1823 |
return -2; |
result = -2; |
1824 |
|
goto done; |
1825 |
} |
} |
1826 |
} |
} |
1827 |
else { |
else { |
1828 |
return -1; |
result = -1; |
1829 |
|
goto done; |
1830 |
} |
} |
1831 |
} |
} |
1832 |
assert(i == array->pn_count); |
assert(i == array->pn_count); |
1839 |
uint32 i = 0; |
uint32 i = 0; |
1840 |
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++) { |
1841 |
if (element->pn_type != TOK_STRING) { |
if (element->pn_type != TOK_STRING) { |
1842 |
return -1; |
result = -1; |
1843 |
|
goto done; |
1844 |
} |
} |
1845 |
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))); |
1846 |
} |
} |
1848 |
} |
} |
1849 |
} |
} |
1850 |
|
|
1851 |
return 0; |
done: |
1852 |
|
js_FinishParseContext(context, &parse_context); |
1853 |
|
return result; |
1854 |
} |
} |