expressions type_name.ts

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1x import {seq, alt, opt, tok, regex as reg, Expression, starPrio} from "../combi";
import {StaticArrow, Dash, InstanceArrow} from "../../1_lexer/tokens";
import {IStatementRunnable} from "../statement_runnable";
 
// todo, can this be replaced with one of the FieldChain expressions?
 
export class TypeName extends Expression {
 
  public getRunnable(): IStatementRunnable {
    const name = reg(/^[\w~\/%$]+$/);
    const cla = seq(name, alt(tok(StaticArrow), tok(InstanceArrow)));
    const field = seq(tok(Dash), name);
    return seq(opt(cla), name, starPrio(field));
  }
 
}