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

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import {IStatement} from "./_statement";
import {seq, alt, opt, per, optPrio, altPrio} from "../combi";
import {FSTarget, Target, Source, Dynamic, TypeName, AssignSource} from "../expressions";
import {IStatementRunnable} from "../statement_runnable";
 
export class Assign implements IStatement {
 
  public getMatcher(): IStatementRunnable {
 
    const type = seq("TYPE", altPrio(Dynamic, TypeName));
    const like = seq("LIKE", altPrio(Dynamic, Source));
    const handle = seq("TYPE HANDLE", Source);
    const range = seq("RANGE", Source);
    const decimals = seq("DECIMALS", Source);
 
    const casting = seq("CASTING", opt(alt(like, handle, per(type, decimals))));
    const obsoleteType = seq("TYPE", Source, optPrio(decimals));
 
    const ret = seq("ASSIGN",
                    opt(seq(Target, "INCREMENT")),
                    AssignSource,
                    "TO",
                    FSTarget,
                    opt(altPrio(casting, obsoleteType)),
                    opt(range));
 
    return ret;
  }
 
}