38 lines
1,002 B
Dart
38 lines
1,002 B
Dart
|
import '../token.dart';
|
||
|
|
import 'argument.dart';
|
||
|
|
import 'node.dart';
|
||
|
|
import 'package:source_span/source_span.dart';
|
||
|
|
import 'value_or_variable.dart';
|
||
|
|
|
||
|
|
class DirectiveContext extends Node {
|
||
|
|
final Token ARROBA, NAME, COLON, LPAREN, RPAREN;
|
||
|
|
final ArgumentContext argument;
|
||
|
|
final ValueOrVariableContext valueOrVariable;
|
||
|
|
|
||
|
|
DirectiveContext(this.ARROBA, this.NAME, this.COLON, this.LPAREN, this.RPAREN,
|
||
|
|
this.argument, this.valueOrVariable) {
|
||
|
|
assert(NAME != null);
|
||
|
|
}
|
||
|
|
|
||
|
|
@override
|
||
|
|
SourceSpan get span {
|
||
|
|
SourceLocation end = NAME.span?.end;
|
||
|
|
|
||
|
|
if (valueOrVariable != null)
|
||
|
|
end = valueOrVariable.end;
|
||
|
|
else if (RPAREN != null) end = RPAREN.span?.end;
|
||
|
|
|
||
|
|
return new SourceSpan(ARROBA.span?.start, end, toSource());
|
||
|
|
}
|
||
|
|
|
||
|
|
@override
|
||
|
|
String toSource() {
|
||
|
|
if (valueOrVariable != null)
|
||
|
|
return '@${NAME.text}:${valueOrVariable.toSource()}';
|
||
|
|
else if (argument != null)
|
||
|
|
return '@${NAME.text}(${argument.toSource()})';
|
||
|
|
else
|
||
|
|
return '@${NAME.text}';
|
||
|
|
}
|
||
|
|
}
|