All files / src/abap/2_statements/statements move.ts

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import {IStatement} from "./_statement";
import {verNot, tok, ver, seq, alt, altPrio, plus} from "../combi";
import {Target, Source} from "../expressions";
import {Version} from "../../../version";
import {WPlus, WDash} from "../../1_lexer/tokens";
import {IStatementRunnable} from "../statement_runnable";
 
export class Move implements IStatement {
 
  public getMatcher(): IStatementRunnable {
 
    const mov = verNot(Version.Cloud, "MOVE");
 
    const move = seq(mov,
                     altPrio(
                       seq("EXACT", Source, "TO", Target),
                       seq(Source, altPrio("?TO", "TO"), Target)));
 
 
    const calcAssign = ver(Version.v754,
                           alt(seq(tok(WPlus), "="),
                               seq(tok(WDash), "="),
                               "/=",
                               "*=",
                               "&&="));
 
    const equals = altPrio(altPrio("=", "?="), calcAssign);
 
// todo, move "?=" to CAST?
    const eq = seq(plus(seq(Target, equals)), Source);
 
    return altPrio(move, eq);
  }
 
}