Ejemplo n.º 1
0
 public void atDoubleConst(DoubleConst d) throws CompileError {
   arrayDim = 0;
   if (d.getType() == DoubleConstant) {
     exprType = DOUBLE;
     bytecode.addDconst(d.get());
   } else {
     exprType = FLOAT;
     bytecode.addFconst((float) d.get());
   }
 }
Ejemplo n.º 2
0
  protected void atPlusPlusCore(int dup_code, boolean doDup, int token, boolean isPost, Expr expr)
      throws CompileError {
    int t = exprType;

    if (doDup && isPost) bytecode.addOpcode(dup_code);

    if (t == INT || t == BYTE || t == CHAR || t == SHORT) {
      bytecode.addIconst(1);
      bytecode.addOpcode(token == PLUSPLUS ? IADD : ISUB);
      exprType = INT;
    } else if (t == LONG) {
      bytecode.addLconst((long) 1);
      bytecode.addOpcode(token == PLUSPLUS ? LADD : LSUB);
    } else if (t == FLOAT) {
      bytecode.addFconst(1.0f);
      bytecode.addOpcode(token == PLUSPLUS ? FADD : FSUB);
    } else if (t == DOUBLE) {
      bytecode.addDconst(1.0);
      bytecode.addOpcode(token == PLUSPLUS ? DADD : DSUB);
    } else badType(expr);

    if (doDup && !isPost) bytecode.addOpcode(dup_code);
  }
Ejemplo n.º 3
0
  private void atPlusPlus(int token, ASTree oprand, Expr expr, boolean doDup) throws CompileError {
    boolean isPost = oprand == null; // ++i or i++?
    if (isPost) oprand = expr.oprand2();

    if (oprand instanceof Variable) {
      Declarator d = ((Variable) oprand).getDeclarator();
      int t = exprType = d.getType();
      arrayDim = d.getArrayDim();
      int var = getLocalVar(d);
      if (arrayDim > 0) badType(expr);

      if (t == DOUBLE) {
        bytecode.addDload(var);
        if (doDup && isPost) bytecode.addOpcode(DUP2);

        bytecode.addDconst(1.0);
        bytecode.addOpcode(token == PLUSPLUS ? DADD : DSUB);
        if (doDup && !isPost) bytecode.addOpcode(DUP2);

        bytecode.addDstore(var);
      } else if (t == LONG) {
        bytecode.addLload(var);
        if (doDup && isPost) bytecode.addOpcode(DUP2);

        bytecode.addLconst((long) 1);
        bytecode.addOpcode(token == PLUSPLUS ? LADD : LSUB);
        if (doDup && !isPost) bytecode.addOpcode(DUP2);

        bytecode.addLstore(var);
      } else if (t == FLOAT) {
        bytecode.addFload(var);
        if (doDup && isPost) bytecode.addOpcode(DUP);

        bytecode.addFconst(1.0f);
        bytecode.addOpcode(token == PLUSPLUS ? FADD : FSUB);
        if (doDup && !isPost) bytecode.addOpcode(DUP);

        bytecode.addFstore(var);
      } else if (t == BYTE || t == CHAR || t == SHORT || t == INT) {
        if (doDup && isPost) bytecode.addIload(var);

        int delta = token == PLUSPLUS ? 1 : -1;
        if (var > 0xff) {
          bytecode.addOpcode(WIDE);
          bytecode.addOpcode(IINC);
          bytecode.addIndex(var);
          bytecode.addIndex(delta);
        } else {
          bytecode.addOpcode(IINC);
          bytecode.add(var);
          bytecode.add(delta);
        }

        if (doDup && !isPost) bytecode.addIload(var);
      } else badType(expr);
    } else {
      if (oprand instanceof Expr) {
        Expr e = (Expr) oprand;
        if (e.getOperator() == ARRAY) {
          atArrayPlusPlus(token, isPost, e, doDup);
          return;
        }
      }

      atFieldPlusPlus(token, isPost, oprand, expr, doDup);
    }
  }