VoidModifier.ceylon
import ceylon.ast.core {
Node,
VoidModifier
}
import com.redhat.ceylon.compiler.typechecker.tree {
JNode=Node,
Tree {
JVoidModifier=VoidModifier
}
}
import org.antlr.runtime {
ANTLRStringStream,
CommonTokenStream,
Token
}
import com.redhat.ceylon.compiler.typechecker.parser {
CeylonLexer {
voidType=\iVOID_MODIFIER
}
}
"Converts a RedHat AST [[VoidModifier|JVoidModifier]] to a `ceylon.ast` [[VoidModifier]]."
shared VoidModifier voidModifierToCeylon(JVoidModifier voidModifier, Anything(JNode,Node) update = noop) {
value result = VoidModifier();
update(voidModifier, result);
return result;
}
"Compiles the given [[code]] for a Void Modifier
into a [[VoidModifier]] using the Ceylon compiler
(more specifically, the lexer)."
shared VoidModifier? compileVoidModifier(String code, Anything(JNode,Node) update = noop) {
value stream = CommonTokenStream(CeylonLexer(ANTLRStringStream(code + " ")));
Token? token = stream.\iLT(1);
if (exists token, token.type == voidType) {
value jVoidModifier = JVoidModifier(token);
value result = VoidModifier();
update(jVoidModifier, result);
return result;
} else {
return null;
}
}