*fixed a crash bug with conflicting routine and class identifier.
*fixed a dangling pointer bug with incomplete structures. *fixed a memory leak with wrong routine or class identifier. *fixed a memory leak with incomplete structures.
This commit is contained in:
Wang Renxin
parent
5e52e72cf7
commit
ef73407de3
12
HISTORY
12
HISTORY
@ -1,18 +1,24 @@
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Nov. 5 2017
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Fixed a crash bug with conflicting routine and class identifier
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Fixed a dangling pointer bug with incomplete structures
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Fixed a memory leak with wrong routine or class identifier
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Fixed a memory leak with incomplete structures
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Nov. 1 2017
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Added some location parameters to the mb_get_last_error function
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Oct. 30 2017
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Added support to apply the STR statement to a type value
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Fixed a referencing bug with an unnamed array
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Fixed a referencing bug with unnamed array
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Oct. 29 2017
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Fixed a crash bug when access an unnamed array
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Oct. 25 2017
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Fixed a memory leak with an unexpected value
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Fixed a memory leak with unexpected value
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Oct. 24 2017
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Fixed a memory leak with a hanged value
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Fixed a memory leak with dangling value
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Oct. 23 2017
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Added support to apply the CLONE statement to a referenced usertype
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@ -1456,6 +1456,8 @@ static void _end_of_file(_parsing_context_t* context);
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#define _RETURN_CHAR '\r'
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#define _STRING_POSTFIX_CHAR '$'
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#define _DUMMY_ASSIGN_CHAR "#"
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#define _INVALID_CLASS_CHAR 0x18
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#define _INVALID_ROUTINE_CHAR 0x1B
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#define _REMARK_STR "REM"
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@ -5189,6 +5191,8 @@ static int _create_symbol(mb_interpreter_t* s, _ls_node_t* l, char* sym, _object
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break;
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#ifdef MB_ENABLE_CLASS
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case _DT_CLASS:
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if(!_is_identifier_char(*sym))
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*sym = _INVALID_CLASS_CHAR;
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glbsyminscope = _search_identifier_in_scope_chain(s, 0, sym, _PATHING_NONE, 0, 0);
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if(glbsyminscope && ((_object_t*)glbsyminscope->data)->type == _DT_CLASS) {
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(*obj)->data.instance = ((_object_t*)glbsyminscope->data)->data.instance;
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@ -5200,15 +5204,11 @@ static int _create_symbol(mb_interpreter_t* s, _ls_node_t* l, char* sym, _object
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_push_scope_by_class(s, (*obj)->data.instance->scope);
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}
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} else {
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_var_t* var = 0;
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tmp.instance = (_class_t*)mb_malloc(sizeof(_class_t));
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_init_class(s, tmp.instance, sym);
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_push_scope_by_class(s, tmp.instance->scope);
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s->last_instance = tmp.instance;
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mb_unrefvar(var);
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(*obj)->data.instance = tmp.instance;
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ul = _ht_set_or_insert(running->var_dict, sym, *obj);
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@ -5223,6 +5223,8 @@ static int _create_symbol(mb_interpreter_t* s, _ls_node_t* l, char* sym, _object
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break;
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#endif /* MB_ENABLE_CLASS */
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case _DT_ROUTINE:
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if(!_is_identifier_char(*sym))
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*sym = _INVALID_ROUTINE_CHAR;
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glbsyminscope = _search_identifier_in_scope_chain(s, 0, sym, _PATHING_NONE, 0, 0);
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if(glbsyminscope && ((_object_t*)glbsyminscope->data)->type == _DT_ROUTINE) {
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(*obj)->data.routine = ((_object_t*)glbsyminscope->data)->data.routine;
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@ -5514,6 +5516,8 @@ _end_import:
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#ifdef MB_ENABLE_CLASS
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if(context->last_symbol) {
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glbsyminscope = _search_identifier_in_scope_chain(s, 0, sym, _PATHING_NONE, 0, 0);
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if(glbsyminscope && ((_object_t*)glbsyminscope->data)->type == _DT_ROUTINE)
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goto _routine;
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if(glbsyminscope && ((_object_t*)glbsyminscope->data)->type == _DT_CLASS) {
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if(_IS_FUNC(context->last_symbol, _core_class)) {
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_handle_error_now(s, SE_RN_DUPLICATE_CLASS, s->source_file, MB_FUNC_ERR);
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@ -5558,6 +5562,7 @@ _end_import:
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_pop_scope(s, false);
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}
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}
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_routine:
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#endif /* MB_ENABLE_CLASS */
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/* _routine_t */
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if(context->last_symbol && !_is_bracket_char(sym[0])) {
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@ -5709,7 +5714,7 @@ static int _parse_char(mb_interpreter_t* s, const char* str, int n, int pos, uns
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int result = MB_FUNC_OK;
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_parsing_context_t* context = 0;
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char last_char = _ZERO_CHAR;
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char c = '\0';
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char c = _ZERO_CHAR;
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#ifdef MB_ENABLE_UNICODE_ID
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unsigned uc = 0;
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#else /* MB_ENABLE_UNICODE_ID */
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@ -6102,7 +6107,7 @@ static void _real_to_str(real_t r, char* str, size_t size, size_t afterpoint) {
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if(--afterpoint == 0)
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break;
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}
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str[pos] = '\0';
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str[pos] = _ZERO_CHAR;
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}
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#endif /* MB_MANUAL_REAL_FORMATTING */
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@ -10425,17 +10430,27 @@ static void _tidy_scope_chain(mb_interpreter_t* s) {
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mb_assert(s);
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context = s->parsing_context;
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if(!context)
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if(!context) {
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while(s->running_context->prev)
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_pop_scope(s, false);
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return;
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}
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while(context->routine_state && s->running_context->meta != _SCOPE_META_ROOT) {
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if(_end_routine(s))
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if(_end_routine(s)) {
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if(!s->running_context->prev)
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break;
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_pop_scope(s, false);
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}
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}
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#ifdef MB_ENABLE_CLASS
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while(context->class_state != _CLASS_STATE_NONE) {
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if(_end_class(s))
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if(_end_class(s)) {
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if(!s->running_context->prev)
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break;
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_pop_scope(s, false);
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}
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}
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#endif /* MB_ENABLE_CLASS */
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}
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@ -11830,7 +11845,6 @@ int mb_reset(struct mb_interpreter_t** s, bool_t clrf) {
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int result = MB_FUNC_OK;
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_ht_node_t* global_scope = 0;
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_ls_node_t* ast;
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_parsing_context_t* context = 0;
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_running_context_t* running = 0;
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if(!s || !(*s))
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@ -11839,6 +11853,10 @@ int mb_reset(struct mb_interpreter_t** s, bool_t clrf) {
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(*s)->run_count = 0;
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(*s)->has_run = false;
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(*s)->jump_set = _JMP_NIL;
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#ifdef MB_ENABLE_CLASS
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(*s)->last_instance = 0;
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(*s)->calling = false;
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#endif /* MB_ENABLE_CLASS */
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(*s)->last_routine = 0;
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(*s)->no_eat_comma_mark = 0;
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(*s)->handled_error = false;
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@ -11850,8 +11868,6 @@ int mb_reset(struct mb_interpreter_t** s, bool_t clrf) {
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running->next_loop_var = 0;
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memset(&(running->intermediate_value), 0, sizeof(mb_value_t));
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(*s)->parsing_context = context = _reset_parsing_context((*s)->parsing_context);
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ast = (*s)->ast;
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_ls_foreach(ast, _destroy_object);
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_ls_clear(ast);
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@ -11865,8 +11881,11 @@ int mb_reset(struct mb_interpreter_t** s, bool_t clrf) {
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_ls_clear((*s)->multiline_enabled);
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#endif /* _MULTILINE_STATEMENT */
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_tidy_scope_chain(*s);
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_clear_scope_chain(*s);
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(*s)->parsing_context = _reset_parsing_context((*s)->parsing_context);
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if(clrf) {
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#ifdef MB_ENABLE_MODULE
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global_scope = (*s)->module_func_dict;
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@ -13866,6 +13885,7 @@ int mb_run(struct mb_interpreter_t* s, bool_t clear_parser) {
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s->parsing_context->routine_state = 0;
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result = MB_FUNC_ERR;
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_handle_error_now(s, SE_RN_INCOMPLETE_ROUTINE, s->source_file, result);
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_tidy_scope_chain(s);
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goto _exit;
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}
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@ -13874,6 +13894,7 @@ int mb_run(struct mb_interpreter_t* s, bool_t clear_parser) {
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s->parsing_context->class_state = _CLASS_STATE_NONE;
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result = MB_FUNC_ERR;
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_handle_error_now(s, SE_RN_INCOMPLETE_CLASS, s->source_file, result);
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_tidy_scope_chain(s);
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goto _exit;
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}
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@ -13930,6 +13951,8 @@ int mb_run(struct mb_interpreter_t* s, bool_t clear_parser) {
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_exit:
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if(s) {
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if(!s->suspent_point)
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s->source_file = 0;
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if(clear_parser)
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_destroy_parsing_context(&s->parsing_context);
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