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parse Declare stmt

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vadim 2017-11-29 15:33:59 +02:00
parent 5344a3d617
commit 9a6a3565b3
4 changed files with 4578 additions and 4407 deletions
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6673
lexer.go
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1
lexer.l
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@ -240,6 +240,7 @@ NEW_LINE (\r|\n|\r\n)
<PHP>else lval.token = string(l.TokenBytes(nil)); return T_ELSE;
<PHP>elseif lval.token = string(l.TokenBytes(nil)); return T_ELSEIF;
<PHP>empty lval.token = string(l.TokenBytes(nil)); return T_EMPTY;
<PHP>enddeclare lval.token = string(l.TokenBytes(nil)); return T_ENDDECLARE
<PHP>endfor lval.token = string(l.TokenBytes(nil)); return T_ENDFOR
<PHP>endforeach lval.token = string(l.TokenBytes(nil)); return T_ENDFOREACH
<PHP>endif lval.token = string(l.TokenBytes(nil)); return T_ENDIF

2285
parser.go
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26
parser.y
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@ -223,6 +223,9 @@ func (n node) attribute(key string, value string) node {
%type <node> non_empty_array_pair_list
%type <node> array_pair
%type <node> foreach_statement
%type <node> const_list
%type <node> const_decl
%type <node> declare_statement
%%
@ -340,6 +343,21 @@ statement:
append(Node("ForeachVariable").append($7)).
append($9);
}
| T_DECLARE '(' const_list ')' declare_statement { $$ = Node("Declare").append($3).append($5) }
const_list:
const_list ',' const_decl { $$ = $1.append($3) }
| const_decl { $$ = Node("ConstList").append($1) }
;
const_decl:
T_STRING '=' expr { $$ = Node("Const").attribute("name", $1).append($3) }
;
declare_statement:
statement { $$ = $1; }
| ':' inner_statement_list T_ENDDECLARE ';' { $$ = $2; }
;
if_stmt_without_else:
T_IF '(' expr ')' statement
@ -602,7 +620,6 @@ return_type:
expr_without_variable:
variable '=' expr { $$ = Node("Assign").append($1).append($3); }
| variable '=' '&' expr { $$ = Node("AssignRef").append($1).append($4); }
| variable '=' '&' expr { $$ = Node("AssignRef").append($1).append($4); }
| T_CLONE expr { $$ = Node("Clone").append($2); }
| variable T_PLUS_EQUAL expr { $$ = Node("AssignAdd").append($1).append($3); }
| variable T_MINUS_EQUAL expr { $$ = Node("AssignSub").append($1).append($3); }
@ -612,7 +629,6 @@ expr_without_variable:
| variable T_CONCAT_EQUAL expr { $$ = Node("AssignConcat").append($1).append($3); }
| variable T_MOD_EQUAL expr { $$ = Node("AssignMod").append($1).append($3); }
| variable T_AND_EQUAL expr { $$ = Node("AssignAnd").append($1).append($3); }
| variable T_AND_EQUAL expr { $$ = Node("AssignAnd").append($1).append($3); }
| variable T_OR_EQUAL expr { $$ = Node("AssignOr").append($1).append($3); }
| variable T_XOR_EQUAL expr { $$ = Node("AssignXor").append($1).append($3); }
| variable T_SL_EQUAL expr { $$ = Node("AssignShiftLeft").append($1).append($3); }
@ -707,9 +723,9 @@ simple_variable:
const src = `<?php
foreach ($a = $b as $k => list($a, $b => $c,)) :
echo $b;
endforeach;
declare (asdf = $a) :
$a = &$b;
enddeclare;
`