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| author | Dmitry Stogov <dmitry@zend.com> | 2014-07-14 15:43:11 +0400 |
|---|---|---|
| committer | Dmitry Stogov <dmitry@zend.com> | 2014-07-14 15:43:11 +0400 |
| commit | af7cb1690781cb05cb25b2a30ee4e6d446d0e660 (patch) | |
| tree | b7b5687343a8ba211a70cba1666e8cc0e875244d /Zend/zend_compile.c | |
| parent | 42c4bcaed12fcfc2451838e615e584a1d61a5228 (diff) | |
| download | php-git-af7cb1690781cb05cb25b2a30ee4e6d446d0e660.tar.gz | |
Implemented builtin instruction for strlen()
Diffstat (limited to 'Zend/zend_compile.c')
| -rw-r--r-- | Zend/zend_compile.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/Zend/zend_compile.c b/Zend/zend_compile.c index 2350047af5..dadace0948 100644 --- a/Zend/zend_compile.c +++ b/Zend/zend_compile.c @@ -2799,6 +2799,36 @@ static int zend_do_convert_type_check(zend_op *init_opline, znode *result, zend_ } /* }}} */ +static int zend_do_convert_defined(zend_op *init_opline, znode *result TSRMLS_DC) /* {{{ */ +{ + zval c; + zend_string *lc_name; + zend_op *opline = init_opline + 1; + + if (opline->opcode != ZEND_SEND_VAL || + opline->op1_type != IS_CONST || + Z_TYPE(CONSTANT(opline->op1.constant)) != IS_STRING + || zend_memrchr(Z_STRVAL(CONSTANT(opline->op1.constant)), '\\', Z_STRLEN(CONSTANT(opline->op1.constant))) != NULL + || zend_memrchr(Z_STRVAL(CONSTANT(opline->op1.constant)), ':', Z_STRLEN(CONSTANT(opline->op1.constant))) != NULL) { + return 0; + } + + MAKE_NOP(init_opline); + opline->opcode = ZEND_DEFINED; + opline->extended_value = 0; + GET_CACHE_SLOT(opline->op1.constant); + /* lowcase constant name */ + lc_name = STR_ALLOC(Z_STRLEN(CONSTANT(opline->op1.constant)), 0); + zend_str_tolower_copy(lc_name->val, Z_STRVAL(CONSTANT(opline->op1.constant)), Z_STRLEN(CONSTANT(opline->op1.constant))); + ZVAL_NEW_STR(&c, lc_name); + zend_add_literal(CG(active_op_array), &c); + opline->result.var = get_temporary_variable(CG(active_op_array)); + opline->result_type = IS_TMP_VAR; + GET_NODE(result, opline->result); + return 1; +} +/* }}} */ + void zend_do_end_function_call(znode *function_name, znode *result, int is_method, int is_dynamic_fcall TSRMLS_DC) /* {{{ */ { zend_op *opline; @@ -2836,6 +2866,14 @@ void zend_do_end_function_call(znode *function_name, znode *result, int is_metho fcall->arg_num = 0; } } + } else if (func->common.function_name->len == sizeof("defined")-1 && + memcmp(func->common.function_name->val, "defined", sizeof("defined")-1) == 0) { + if (fcall->arg_num == 1) { + if (zend_do_convert_defined(opline, result TSRMLS_CC)) { + zend_stack_del_top(&CG(function_call_stack)); + return; + } + } } else if ((CG(compiler_options) & ZEND_COMPILE_NO_BUILTIN_STRLEN) == 0 && func->common.function_name->len == sizeof("strlen")-1 && memcmp(func->common.function_name->val, "strlen", sizeof("strlen")-1) == 0) { |