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parse AltIf stmt

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z7zmey 2017-11-28 21:56:09 +02:00
parent 668a6ed287
commit bd731b28d5
2 changed files with 833 additions and 745 deletions
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1541
parser.go
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37
parser.y
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@ -200,6 +200,8 @@ func (n node) attribute(key string, value string) node {
%type <node> simple_variable
%type <node> if_stmt_without_else
%type <node> if_stmt
%type <node> alt_if_stmt_without_else
%type <node> alt_if_stmt
%%
@ -270,24 +272,45 @@ inner_statement:
statement:
'{' inner_statement_list '}' { $$ = $2; }
| if_stmt { $$ = $1; }
| alt_if_stmt { $$ = $1; }
| T_DO statement T_WHILE '(' expr ')' ';' { $$ = Node("Do While").append($2).append($5)}
| expr ';' { $$ = $1; }
if_stmt_without_else:
T_IF '(' expr ')' statement
{
$$ = Node("if").append(Node("expr").append($3)).append(Node("stmt").append($5))
$$ = Node("If").append(Node("expr").append($3)).append(Node("stmt").append($5))
}
| if_stmt_without_else T_ELSEIF '(' expr ')' statement
{
$$ = $1.append(Node("elseif").append(Node("expr").append($4)).append(Node("stmt").append($6)))
$$ = $1.append(Node("ElseIf").append(Node("expr").append($4)).append(Node("stmt").append($6)))
}
;
if_stmt:
if_stmt_without_else %prec T_NOELSE { $$ = $1; }
| if_stmt_without_else T_ELSE statement
{
$$ = $1.append(Node("else").append(Node("stmt").append($3)))
$$ = $1.append(Node("Else").append(Node("stmt").append($3)))
}
;
alt_if_stmt_without_else:
T_IF '(' expr ')' ':' inner_statement_list
{
$$ = Node("AltIf").append(Node("expr").append($3)).append(Node("stmt").append($6))
}
| alt_if_stmt_without_else T_ELSEIF '(' expr ')' ':' inner_statement_list
{
$$ = $1.append(Node("AltElseIf").append(Node("expr").append($4)).append(Node("stmt").append($7)))
}
;
alt_if_stmt:
alt_if_stmt_without_else T_ENDIF ';' { $$ = $1; }
| alt_if_stmt_without_else T_ELSE ':' inner_statement_list T_ENDIF ';'
{
$$ = $1.append(Node("AltElse").append(Node("stmt").append($4)))
}
;
@ -484,13 +507,13 @@ simple_variable:
const src = `<?
if ($a > $b) {
if ($a > $b) :
$b=$c;
} elseif ($a === $b) {
elseif ($a === $b) :
} else {
else :
}
endif;
`