diff options
Diffstat (limited to 'Zend/zend_compile.c')
| -rw-r--r-- | Zend/zend_compile.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/Zend/zend_compile.c b/Zend/zend_compile.c index 2a8980f23b..c8f2eefa7d 100644 --- a/Zend/zend_compile.c +++ b/Zend/zend_compile.c @@ -1830,6 +1830,28 @@ zend_ast *zend_ast_append_str(zend_ast *left_ast, zend_ast *right_ast) /* {{{ */ } /* }}} */ +zend_ast *zend_negate_num_string(zend_ast *ast) /* {{{ */ +{ + zval *zv = zend_ast_get_zval(ast); + if (Z_TYPE_P(zv) == IS_LONG) { + if (Z_LVAL_P(zv) == 0) { + ZVAL_NEW_STR(zv, zend_string_init("-0", sizeof("-0")-1, 0)); + } else { + ZEND_ASSERT(Z_LVAL_P(zv) > 0); + Z_LVAL_P(zv) *= -1; + } + } else if (Z_TYPE_P(zv) == IS_STRING) { + size_t orig_len = Z_STRLEN_P(zv); + zend_string_extend(Z_STR_P(zv), orig_len + 1, 0); + memmove(Z_STRVAL_P(zv) + 1, Z_STRVAL_P(zv), orig_len + 1); + Z_STRVAL_P(zv)[0] = '-'; + } else { + ZEND_ASSERT(0); + } + return ast; +} +/* }}} */ + void zend_verify_namespace(void) /* {{{ */ { if (FC(has_bracketed_namespaces) && !FC(in_namespace)) { |