maride/php-parser
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

parse Foreach stmt

Browse Source
This commit is contained in:
vadim 2017-11-29 12:24:08 +02:00
parent 7863670c5c
commit 5344a3d617
2 changed files with 1260 additions and 989 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2157
parser.go
View File

File diff suppressed because it is too large Load Diff

92
parser.y
View File

@ -217,6 +217,12 @@ func (n node) attribute(key string, value string) node {
%type <node> echo_expr
%type <node> unset_variables
%type <node> unset_variable
%type <node> foreach_variable
%type <node> array_pair_list
%type <node> possible_array_pair
%type <node> non_empty_array_pair_list
%type <node> array_pair
%type <node> foreach_statement
%%
@ -288,8 +294,18 @@ statement:
'{' inner_statement_list '}' { $$ = $2; }
| if_stmt { $$ = $1; }
| alt_if_stmt { $$ = $1; }
| T_WHILE '(' expr ')' while_statement { $$ = Node("While").append(Node("expr").append($3)).append(Node("stmt").append($5)); }
| T_DO statement T_WHILE '(' expr ')' ';' { $$ = Node("DoWhile").append(Node("expr").append($5)).append(Node("stmt").append($2)); }
| T_WHILE '(' expr ')' while_statement
{
$$ = Node("While").
append(Node("expr").append($3)).
append(Node("stmt").append($5));
}
| T_DO statement T_WHILE '(' expr ')' ';'
{
$$ = Node("DoWhile").
append(Node("expr").append($5)).
append(Node("stmt").append($2));
}
| T_FOR '(' for_exprs ';' for_exprs ';' for_exprs ')' for_statement
{
$$ = Node("For").
@ -308,10 +324,22 @@ statement:
| T_INLINE_HTML { $$ = Node("Echo").append(Node("InlineHtml").attribute("value", $1)) }
| expr ';' { $$ = $1; }
| T_UNSET '(' unset_variables possible_comma ')' ';'
{
$$ = Node("Unset").append($3);
}
{ $$ = Node("Unset").append($3); }
| T_FOREACH '(' expr T_AS foreach_variable ')' foreach_statement
{
$$ = Node("Foreach").
append(Node("expr").append($3)).
append(Node("ForeachVariable").append($5)).
append($7);
}
| T_FOREACH '(' expr T_AS foreach_variable T_DOUBLE_ARROW foreach_variable ')' foreach_statement
{
$$ = Node("Foreach").
append(Node("expr").append($3)).
append(Node("ForeachKey").append($5)).
append(Node("ForeachVariable").append($7)).
append($9);
}
if_stmt_without_else:
T_IF '(' expr ')' statement
@ -394,6 +422,51 @@ for_statement:
| ':' inner_statement_list T_ENDFOR ';' { $$ = $2; }
;
foreach_variable:
variable { $$ = $1; }
| '&' variable { $$ = Node("Ref").append($2); }
| T_LIST '(' array_pair_list ')' { $$ = Node("List").append($3) }
| '[' array_pair_list ']' { $$ = Node("ShortList").append($2) }
;
array_pair_list:
non_empty_array_pair_list { /* TODO: allow single trailing comma */ $$ = $1 }
;
possible_array_pair:
/* empty */ { $$ = Node("Null"); }
| array_pair { $$ = $1; }
;
non_empty_array_pair_list:
non_empty_array_pair_list ',' possible_array_pair
{ $$ = $1.append($3) }
| possible_array_pair { $$ = Node("ArrayPairList").append($1) }
;
array_pair:
expr T_DOUBLE_ARROW expr { $$ = Node("ArrayElement").append($1).append($3) }
| expr { $$ = Node("ArrayElement").append($1) }
| expr T_DOUBLE_ARROW '&' variable { $$ = Node("ArrayElement").append($1).append(Node("Ref").append($4)) }
| '&' variable { $$ = Node("ArrayElement").append(Node("Ref").append($2)) }
| expr T_DOUBLE_ARROW T_LIST '(' array_pair_list ')'
{
$$ = Node("ArrayElement").
append($1).
append(Node("ArrayList").append($5))
}
| T_LIST '(' array_pair_list ')'
{
$$ = Node("ArrayElement").
append(Node("ArrayList").append($3))
}
;
foreach_statement:
statement { $$ = $1; }
| ':' inner_statement_list T_ENDFOREACH ';' { $$ = $2; }
;
global_var_list:
global_var_list ',' global_var { $$ = $1.append($3); }
| global_var { $$ = Node("GlobalVarList").append($1); }
@ -632,11 +705,12 @@ simple_variable:
%%
const src = `a<?
const src = `<?php
unset($a, $b, );
foreach ($a = $b as $k => list($a, $b => $c,)) :
echo $b;
endforeach;
?> test
`
func main() {