コード例 #1
0
ファイル: Declaration.java プロジェクト: lammyson/compiler
 /**
  * Helper function for printMe with Declarations
  *
  * @param out
  * @param indent
  * @param decl
  */
 public void printMe(FileWriter out, int indent, Declaration decl) {
   if (decl instanceof VarDeclaration) {
     ((VarDeclaration) decl).printMe(out, indent);
   } else if (decl instanceof FunDeclaration) {
     ((FunDeclaration) decl).printMe(out, indent);
   }
 }
コード例 #2
0
  @Override
  public Expression interpret(InterState istate, SemanticContext context) {
    Expression e = EXP_CANT_INTERPRET;
    VarDeclaration v = declaration.isVarDeclaration();
    if (v != null) {
      Dsymbol s = v.toAlias(context);
      if (s == v && !v.isStatic() && v.init() != null) {
        ExpInitializer ie = v.init().isExpInitializer();
        if (ie != null) {
          e = ie.exp.interpret(istate, context);
        } else if (v.init().isVoidInitializer() != null) {
          e = null;
        }
      } else {
        boolean condition;
        if (context.isD2()) {
          condition = s == v && (v.isConst() || v.isInvariant(context)) && v.init != null;
        } else {
          condition = s == v && v.isConst() && v.init() != null;
        }

        if (condition) {
          e = v.init().toExpression(context);
          if (null == e) {
            e = EXP_CANT_INTERPRET;
          } else if (null == e.type) {
            e.type = v.type;
          }
        } else if (declaration.isAttribDeclaration() != null
            || declaration.isTemplateMixin() != null
            || declaration.isTupleDeclaration()
                != null) { // These can be made to work, too lazy now
          e = EXP_CANT_INTERPRET;
        } else { // Others should not contain executable code, so are trivial to evaluate
          e = null;
        }
      }
    }
    return e;
  }