public boolean isLocalVariable(@Nullable final String variableName) {
    boolean result = false;
    if (variableName != null) {
      final String normalized = PreprocessorUtils.normalizeVariableName(variableName);
      result = this.localVarTable.containsKey(normalized);
    }
    return result;
  }
public boolean isLocalVariable ( @ Nullable final String variableName ) { boolean result = false ; if ( variableName != null ) { final String normalized = PreprocessorUtils . normalizeVariableName ( variableName ) ; result = this . localVarTable . containsKey ( normalized ) ; } return result ; }
Check that there is a local variable with such name.

@param variableName a name to be checked, can be null
@return false if there is not such variable or it is null, true if such local variable exists