php · GitHub

Expand Up @@ -4431,7 +4431,7 @@ void zend_compile_try(zend_ast *ast) /* {{{ */ zend_ast_list *catches = zend_ast_get_list(ast->child[1]); zend_ast *finally_ast = ast->child[2];
uint32_t i; uint32_t i, j; zend_op *opline; uint32_t try_catch_offset; uint32_t *jmp_opnums = safe_emalloc(sizeof(uint32_t), catches->children, 0); Expand Down Expand Up @@ -4475,35 +4475,55 @@ void zend_compile_try(zend_ast *ast) /* {{{ */ }
for (i = 0; i < catches->children; ++i) {
zend_ast *catch_ast = catches->child[i]; zend_ast *class_ast = catch_ast->child[0]; zend_ast_list *classes = zend_ast_get_list(catch_ast->child[0]); zend_ast *var_ast = catch_ast->child[1]; zend_ast *stmt_ast = catch_ast->child[2]; zval *var_name = zend_ast_get_zval(var_ast); zend_bool is_last_catch = (i + 1 == catches->children);
uint32_t *jmp_multicatch = safe_emalloc(sizeof(uint32_t), classes->children - 1, 0); uint32_t opnum_catch;
if (!zend_is_const_default_class_ref(class_ast)) { zend_error_noreturn(E_COMPILE_ERROR, "Bad class name in the catch statement"); } CG(zend_lineno) = catch_ast->lineno;
opnum_catch = get_next_op_number(CG(active_op_array)); if (i == 0) { CG(active_op_array)->try_catch_array[try_catch_offset].catch_op = opnum_catch; } for (j = 0; j < classes->children; j++) {
CG(zend_lineno) = catch_ast->lineno; zend_ast *class_ast = classes->child[j]; zend_bool is_last_class = (j + 1 == classes->children);
opline = get_next_op(CG(active_op_array)); opline->opcode = ZEND_CATCH; opline->op1_type = IS_CONST; opline->op1.constant = zend_add_class_name_literal(CG(active_op_array), zend_resolve_class_name_ast(class_ast)); if (!zend_is_const_default_class_ref(class_ast)) { zend_error_noreturn(E_COMPILE_ERROR, "Bad class name in the catch statement"); }
opline->op2_type = IS_CV; opline->op2.var = lookup_cv(CG(active_op_array), zend_string_copy(Z_STR_P(var_name))); opline->result.num = is_last_catch; opnum_catch = get_next_op_number(CG(active_op_array)); if (i == 0 && j == 0) { CG(active_op_array)->try_catch_array[try_catch_offset].catch_op = opnum_catch; }
opline = get_next_op(CG(active_op_array)); opline->opcode = ZEND_CATCH; opline->op1_type = IS_CONST; opline->op1.constant = zend_add_class_name_literal(CG(active_op_array), zend_resolve_class_name_ast(class_ast));
opline->op2_type = IS_CV; opline->op2.var = lookup_cv(CG(active_op_array), zend_string_copy(Z_STR_P(var_name)));
opline->result.num = is_last_catch && is_last_class;
if (!is_last_class) { jmp_multicatch[j] = zend_emit_jump(0); opline->extended_value = get_next_op_number(CG(active_op_array)); } }
for (j = 0; j < classes->children - 1; j++) { zend_update_jump_target_to_next(jmp_multicatch[j]); }
efree(jmp_multicatch);
zend_compile_stmt(stmt_ast);
Expand All @@ -4523,7 +4543,7 @@ void zend_compile_try(zend_ast *ast) /* {{{ */
if (finally_ast) { uint32_t opnum_jmp = get_next_op_number(CG(active_op_array)) + 1;
/* Pop FAST_CALL from unwind stack */ zend_stack_del_top(&CG(loop_var_stack));
Expand Down

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