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parse try catch finally stmt

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vadim 2017-11-29 15:49:32 +02:00
parent 9a6a3565b3
commit 1361679157
2 changed files with 1371 additions and 1234 deletions
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2559
parser.go
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46
parser.y
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@ -226,6 +226,9 @@ func (n node) attribute(key string, value string) node {
%type <node> const_list
%type <node> const_decl
%type <node> declare_statement
%type <node> catch_list
%type <node> catch_name_list
%type <node> finally_statement
%%
@ -329,14 +332,14 @@ statement:
| T_UNSET '(' unset_variables possible_comma ')' ';'
{ $$ = Node("Unset").append($3); }
| T_FOREACH '(' expr T_AS foreach_variable ')' foreach_statement
{
{
$$ = 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
{
{
$$ = Node("Foreach").
append(Node("expr").append($3)).
append(Node("ForeachKey").append($5)).
@ -344,6 +347,29 @@ statement:
append($9);
}
| T_DECLARE '(' const_list ')' declare_statement { $$ = Node("Declare").append($3).append($5) }
| ';' /* empty statement */ { $$ = Node(""); }
| T_TRY '{' inner_statement_list '}' catch_list finally_statement
{
$$ = Node("Try").
append($3).
append($5).
append($6);
}
catch_list:
/* empty */ { $$ = Node("CatchList") }
| catch_list T_CATCH '(' catch_name_list T_VARIABLE ')' '{' inner_statement_list '}'
{ $$ = $1.append($4).append(Node("Variable").attribute("name", $5)).append($8) }
;
catch_name_list:
name { $$ = Node("CatchNameList").append($1) }
| catch_name_list '|' name { $$ = $1.append($3) }
;
finally_statement:
/* empty */ { $$ = Node(""); }
| T_FINALLY '{' inner_statement_list '}' { $$ = Node("Finnaly").append($3) }
;
const_list:
const_list ',' const_decl { $$ = $1.append($3) }
@ -403,7 +429,7 @@ while_statement:
;
for_exprs:
/* empty */ { $$ = Node("null"); }
/* empty */ { $$ = Node(""); }
| non_empty_for_exprs { $$ = $1; }
;
non_empty_for_exprs:
@ -452,7 +478,7 @@ array_pair_list:
;
possible_array_pair:
/* empty */ { $$ = Node("Null"); }
/* empty */ { $$ = Node(""); }
| array_pair { $$ = $1; }
;
@ -699,7 +725,7 @@ expr:
;
optional_expr:
/* empty */ { $$ = Node("null") }
/* empty */ { $$ = Node("") }
| expr { $$ = $1; }
;
@ -723,9 +749,13 @@ simple_variable:
const src = `<?php
declare (asdf = $a) :
$a = &$b;
enddeclare;
try {
} catch(\Exception | RuntimeException $e) {
} finally {
}
`