diff options
Diffstat (limited to 'Zend/zend_compile.c')
| -rw-r--r-- | Zend/zend_compile.c | 55 |
1 files changed, 37 insertions, 18 deletions
diff --git a/Zend/zend_compile.c b/Zend/zend_compile.c index 23781ba423..3adcc55f4e 100644 --- a/Zend/zend_compile.c +++ b/Zend/zend_compile.c @@ -4542,7 +4542,7 @@ 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); @@ -4587,34 +4587,53 @@ 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); |