visitWhen method

@override String visitWhen(WhenStmt stmt)

Implementation

@override
String visitWhen(WhenStmt stmt) {
  final output = StringBuffer();
  output.write(_lexicon.kWhen);
  if (stmt.condition != null) {
    final conditionString = formatAST(stmt.condition!);
    output.write(
        ' ${_lexicon.groupExprStart}$conditionString${_lexicon.groupExprEnd}');
  }
  output.writeln(' ${_lexicon.codeBlockStart}');
  ++_curIndentCount;
  for (final option in stmt.cases.keys) {
    output.write(curIndent);
    final optionString = formatAST(option);
    output.write('$optionString ${_lexicon.whenBranchIndicator} ');
    final branchString = formatAST(stmt.cases[option]!);
    output.writeln(branchString);
  }
  if (stmt.elseBranch != null) {
    final elseBranchString = formatAST(stmt.elseBranch!);
    output.write(curIndent);
    output.writeln(
        '${_lexicon.kElse} ${_lexicon.whenBranchIndicator} $elseBranchString');
  }
  --_curIndentCount;
  output.write(curIndent);
  output.write(_lexicon.codeBlockEnd);
  return output.toString();
}