Change the precedence of concatenation

This implements RFC https://wiki.php.net/rfc/concatenation_precedence
This commit is contained in:
Bob Weinand 2019-03-28 13:42:09 +01:00
parent a3b2425f38
commit 61ee869921
2 changed files with 5 additions and 3 deletions

View File

@ -871,8 +871,9 @@ ZEND_API void zend_ast_apply(zend_ast *ast, zend_ast_apply_func fn) {
* 160 left &
* 170 non-associative == != === !==
* 180 non-associative < <= > >= <=>
* 185 left .
* 190 left << >>
* 200 left + - .
* 200 left + -
* 210 left * / %
* 220 right !
* 230 non-associative instanceof
@ -1682,7 +1683,7 @@ simple_list:
case ZEND_MOD: BINARY_OP(" % ", 210, 210, 211);
case ZEND_SL: BINARY_OP(" << ", 190, 190, 191);
case ZEND_SR: BINARY_OP(" >> ", 190, 190, 191);
case ZEND_CONCAT: BINARY_OP(" . ", 200, 200, 201);
case ZEND_CONCAT: BINARY_OP(" . ", 185, 185, 186);
case ZEND_BW_OR: BINARY_OP(" | ", 140, 140, 141);
case ZEND_BW_AND: BINARY_OP(" & ", 160, 160, 161);
case ZEND_BW_XOR: BINARY_OP(" ^ ", 150, 150, 151);

View File

@ -69,8 +69,9 @@ static YYSIZE_T zend_yytnamerr(char*, const char*);
%left '&'
%nonassoc T_IS_EQUAL T_IS_NOT_EQUAL T_IS_IDENTICAL T_IS_NOT_IDENTICAL T_SPACESHIP
%nonassoc '<' T_IS_SMALLER_OR_EQUAL '>' T_IS_GREATER_OR_EQUAL
%left '.'
%left T_SL T_SR
%left '+' '-' '.'
%left '+' '-'
%left '*' '/' '%'
%precedence '!'
%precedence T_INSTANCEOF