statements unassign.ts

90.47% Statements 19/21

33.33% Branches 1/3

100% Functions 1/1

90.47% Lines 19/21

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1x import * as Expressions from "../../2_statements/expressions";
import {StatementNode} from "../../nodes";
import {StatementSyntax} from "../_statement_syntax";
import {ReferenceType} from "../_reference";
import {SyntaxInput, syntaxIssue} from "../_syntax_input";
 
export class Unassign implements StatementSyntax {
  public runSyntax(node: StatementNode, input: SyntaxInput): void {
    const target = node?.findDirectExpression(Expressions.TargetFieldSymbol);
    if (target) {
      const token = target.getFirstToken();
      const found = input.scope.findVariable(token.getStr());
      if (found === undefined) {
        const message = `"${token.getStr()}" not found, Unassign`;
        input.issues.push(syntaxIssue(input, node.getFirstToken(), message));
        return;
      }
      input.scope.addReference(token, found, ReferenceType.DataWriteReference, input.filename);
    }
  }
}