quinn-os/my-basic
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*fixed a crash bug with incomplete structures.

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This commit is contained in:
Wang Renxin 2018-07-30 15:06:27 +08:00
parent de22cd2717
commit 5086a53415
2 changed files with 39 additions and 29 deletions
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3
HISTORY
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@ -1,3 +1,6 @@
Jul. 30 2018
Fixed a crash bug with incomplete structures
Jul. 25 2018 Jul. 25 2018
Fixed a real number formatting bug with different locales Fixed a real number formatting bug with different locales

65
core/my_basic.c
View File

@ -1426,8 +1426,8 @@ static mb_meta_status_e _try_overridden(mb_interpreter_t* s, void** l, mb_value_
do { \ do { \
if(_set_current_error((__s), (__err), (__f))) { \ if(_set_current_error((__s), (__err), (__f))) { \
_set_error_pos((__s), (__pos), (__row), (__col)); \ _set_error_pos((__s), (__pos), (__row), (__col)); \
__result = (__ret); \
} \ } \
__result = (__ret); \
goto __exit; \ goto __exit; \
} while(0) } while(0)
#else /* _WARNING_AS_ERROR */ #else /* _WARNING_AS_ERROR */
@ -3631,7 +3631,7 @@ static _object_t* _operate_operand(mb_interpreter_t* s, _object_t* optr, _object
_object_t* result = 0; _object_t* result = 0;
_tuple3_t tp; _tuple3_t tp;
_tuple3_t* tpptr = 0; _tuple3_t* tpptr = 0;
int _status = 0; int ret = 0;
mb_assert(s && optr); mb_assert(s && optr);
mb_assert(optr->type == _DT_FUNC); mb_assert(optr->type == _DT_FUNC);
@ -3647,11 +3647,11 @@ static _object_t* _operate_operand(mb_interpreter_t* s, _object_t* optr, _object
tp.e3 = result; tp.e3 = result;
tpptr = &tp; tpptr = &tp;
_status = (optr->data.func->pointer)(s, (void**)&tpptr); ret = (optr->data.func->pointer)(s, (void**)&tpptr);
if(status) if(status)
*status = _status; *status = ret;
if(_status != MB_FUNC_OK) { if(ret != MB_FUNC_OK) {
if(_status != MB_FUNC_WARNING) { if(ret != MB_FUNC_WARNING) {
safe_free(result); safe_free(result);
} }
if(_set_current_error(s, SE_RN_OPERATION_FAILED, 0)) { if(_set_current_error(s, SE_RN_OPERATION_FAILED, 0)) {
@ -5125,7 +5125,6 @@ static int _cut_symbol(mb_interpreter_t* s, int pos, unsigned short row, unsigne
int result = MB_FUNC_OK; int result = MB_FUNC_OK;
_parsing_context_t* context = 0; _parsing_context_t* context = 0;
char* sym = 0; char* sym = 0;
int status = 0;
bool_t delsym = false; bool_t delsym = false;
mb_assert(s); mb_assert(s);
@ -5135,11 +5134,10 @@ static int _cut_symbol(mb_interpreter_t* s, int pos, unsigned short row, unsigne
sym = (char*)mb_malloc(context->current_symbol_nonius + 1); sym = (char*)mb_malloc(context->current_symbol_nonius + 1);
memcpy(sym, context->current_symbol, context->current_symbol_nonius + 1); memcpy(sym, context->current_symbol, context->current_symbol_nonius + 1);
status = _append_symbol(s, sym, &delsym, pos, row, col); result = _append_symbol(s, sym, &delsym, pos, row, col);
if(status || delsym) { if(result != MB_FUNC_OK || delsym) {
safe_free(sym); safe_free(sym);
} }
result = status;
} }
memset(context->current_symbol, 0, sizeof(context->current_symbol)); memset(context->current_symbol, 0, sizeof(context->current_symbol));
context->current_symbol_nonius = 0; context->current_symbol_nonius = 0;
@ -11207,6 +11205,8 @@ static int _execute_normal_for_loop(mb_interpreter_t* s, _ls_node_t** l, _var_t*
result = _execute_statement(s, &ast, true); result = _execute_statement(s, &ast, true);
if(result != MB_FUNC_OK) if(result != MB_FUNC_OK)
goto _exit; goto _exit;
if(!ast)
goto _exit;
ast = ast->prev; ast = ast->prev;
obj = (_object_t*)ast->data; obj = (_object_t*)ast->data;
@ -11228,19 +11228,21 @@ _to:
if(result != MB_FUNC_OK) if(result != MB_FUNC_OK)
goto _exit; goto _exit;
obj = (_object_t*)ast->data; if(ast) {
if(!_IS_FUNC(obj, _core_step)) { obj = (_object_t*)ast->data;
step_val = _OBJ_INT_UNIT; if(!_IS_FUNC(obj, _core_step)) {
} else { step_val = _OBJ_INT_UNIT;
ast = ast->next; } else {
if(!ast) { ast = ast->next;
_handle_error_on_obj(s, SE_RN_SYNTAX_ERROR, s->source_file, DON(ast), MB_FUNC_ERR, _exit, result); if(!ast) {
} _handle_error_on_obj(s, SE_RN_SYNTAX_ERROR, s->source_file, DON(ast), MB_FUNC_ERR, _exit, result);
}
/* Get step value */ /* Get step value */
result = _calc_expression(s, &ast, &step_val_ptr); result = _calc_expression(s, &ast, &step_val_ptr);
if(result != MB_FUNC_OK) if(result != MB_FUNC_OK)
goto _exit; goto _exit;
}
} }
if((_compare_numbers(step_val_ptr, &_OBJ_INT_ZERO) > 0 && _compare_numbers(var_loop->data, to_val_ptr) > 0) || if((_compare_numbers(step_val_ptr, &_OBJ_INT_ZERO) > 0 && _compare_numbers(var_loop->data, to_val_ptr) > 0) ||
@ -11251,6 +11253,8 @@ _to:
goto _exit; goto _exit;
} else { } else {
/* Keep looping */ /* Keep looping */
if(!ast)
goto _exit;
result = _common_keep_looping(s, &ast, var_loop); result = _common_keep_looping(s, &ast, var_loop);
if(result == MB_LOOP_BREAK) { if(result == MB_LOOP_BREAK) {
result = MB_FUNC_OK; result = MB_FUNC_OK;
@ -11484,7 +11488,6 @@ static int _skip_to(mb_interpreter_t* s, _ls_node_t** l, mb_func_t f, _data_e t)
mb_assert(s && l); mb_assert(s && l);
ast = *l; ast = *l;
mb_assert(ast && ast->prev);
do { do {
if(!ast) { if(!ast) {
_handle_error_on_obj(s, SE_RN_SYNTAX_ERROR, s->source_file, DON(tmp), MB_FUNC_ERR, _exit, result); _handle_error_on_obj(s, SE_RN_SYNTAX_ERROR, s->source_file, DON(tmp), MB_FUNC_ERR, _exit, result);
@ -14165,7 +14168,6 @@ _exit:
/* Load and parse a script string */ /* Load and parse a script string */
int mb_load_string(struct mb_interpreter_t* s, const char* l, bool_t reset) { int mb_load_string(struct mb_interpreter_t* s, const char* l, bool_t reset) {
int result = MB_FUNC_OK; int result = MB_FUNC_OK;
int status = 0;
unsigned short _row = 0; unsigned short _row = 0;
unsigned short _col = 0; unsigned short _col = 0;
char wrapped = _ZERO_CHAR; char wrapped = _ZERO_CHAR;
@ -14212,9 +14214,8 @@ int mb_load_string(struct mb_interpreter_t* s, const char* l, bool_t reset) {
wrapped = _ZERO_CHAR; wrapped = _ZERO_CHAR;
++context->parsing_col; ++context->parsing_col;
} while(0); } while(0);
status = _parse_char(s, l, n, context->parsing_pos, _row, _col); result = _parse_char(s, l, n, context->parsing_pos, _row, _col);
result = status; if(result != MB_FUNC_OK) {
if(status) {
_set_error_pos(s, context->parsing_pos, _row, _col); _set_error_pos(s, context->parsing_pos, _row, _col);
_handle_error_now(s, s->last_error, s->last_error_file, result); _handle_error_now(s, s->last_error, s->last_error_file, result);
@ -14225,7 +14226,7 @@ int mb_load_string(struct mb_interpreter_t* s, const char* l, bool_t reset) {
++context->parsing_pos; ++context->parsing_pos;
l += n; l += n;
}; };
status = _parse_char(s, 0, 1, context->parsing_pos, context->parsing_row, context->parsing_col); result = _parse_char(s, 0, 1, context->parsing_pos, context->parsing_row, context->parsing_col);
_exit: _exit:
if(reset) if(reset)
@ -15693,6 +15694,8 @@ _elseif:
_REF(val) _REF(val)
if(result != MB_FUNC_OK) if(result != MB_FUNC_OK)
goto _exit; goto _exit;
if(!ast)
goto _exit;
obj = (_object_t*)ast->data; obj = (_object_t*)ast->data;
if(val->data.integer) { if(val->data.integer) {
@ -15721,7 +15724,9 @@ _elseif:
break; break;
} }
if(multi_line && ast && (_IS_FUNC(ast->data, _core_else) || _IS_FUNC(ast->data, _core_elseif))) if(!ast)
break;
if(multi_line && (_IS_FUNC(ast->data, _core_else) || _IS_FUNC(ast->data, _core_elseif)))
break; break;
result = _execute_statement(s, &ast, true); result = _execute_statement(s, &ast, true);
if(result != MB_FUNC_OK) if(result != MB_FUNC_OK)
@ -15985,6 +15990,8 @@ _loop_begin:
if(loop_cond_ptr->data.integer) { if(loop_cond_ptr->data.integer) {
/* Keep looping */ /* Keep looping */
if(!ast)
goto _exit;
obj = (_object_t*)ast->data; obj = (_object_t*)ast->data;
while(!_IS_FUNC(obj, _core_wend)) { while(!_IS_FUNC(obj, _core_wend)) {
result = _execute_statement(s, &ast, true); result = _execute_statement(s, &ast, true);