Java Code Examples for com.sun.codemodel.JBlock#_break

The following examples show how to use com.sun.codemodel.JBlock#_break . These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may want to check out the right sidebar which shows the related API usage.
Example 1
Source Project: Bats   File: EvaluationVisitor.java    License: Apache License 2.0 4 votes vote down vote up
private HoldingContainer visitBooleanAnd(BooleanOperator op,
    ClassGenerator<?> generator) {

  HoldingContainer out = generator.declare(op.getMajorType());

  JLabel label = generator.getEvalBlockLabel("AndOP");
  JBlock eval = generator.createInnerEvalBlock();
  generator.nestEvalBlock(eval);  // enter into nested block

  HoldingContainer arg = null;

  JExpression e = null;

  //  value of boolean "and" when one side is null
  //    p       q     p and q
  //    true    null     null
  //    false   null     false
  //    null    true     null
  //    null    false    false
  //    null    null     null
  for (int i = 0; i < op.args.size(); i++) {
    arg = op.args.get(i).accept(this, generator);

    JBlock earlyExit = null;
    if (arg.isOptional()) {
      earlyExit = eval._if(arg.getIsSet().eq(JExpr.lit(1)).cand(arg.getValue().ne(JExpr.lit(1))))._then();
      if (e == null) {
        e = arg.getIsSet();
      } else {
        e = e.mul(arg.getIsSet());
      }
    } else {
      earlyExit = eval._if(arg.getValue().ne(JExpr.lit(1)))._then();
    }

    if (out.isOptional()) {
      earlyExit.assign(out.getIsSet(), JExpr.lit(1));
    }

    earlyExit.assign(out.getValue(),  JExpr.lit(0));
    earlyExit._break(label);
  }

  if (out.isOptional()) {
    assert (e != null);

    JConditional notSetJC = eval._if(e.eq(JExpr.lit(0)));
    notSetJC._then().assign(out.getIsSet(), JExpr.lit(0));

    JBlock setBlock = notSetJC._else().block();
    setBlock.assign(out.getIsSet(), JExpr.lit(1));
    setBlock.assign(out.getValue(), JExpr.lit(1));
  } else {
    assert (e == null);
    eval.assign(out.getValue(), JExpr.lit(1));
  }

  generator.unNestEvalBlock();     // exit from nested block

  return out;
}
 
Example 2
Source Project: Bats   File: EvaluationVisitor.java    License: Apache License 2.0 4 votes vote down vote up
private HoldingContainer visitBooleanOr(BooleanOperator op,
    ClassGenerator<?> generator) {

  HoldingContainer out = generator.declare(op.getMajorType());

  JLabel label = generator.getEvalBlockLabel("OrOP");
  JBlock eval = generator.createInnerEvalBlock();
  generator.nestEvalBlock(eval);   // enter into nested block.

  HoldingContainer arg = null;

  JExpression e = null;

  //  value of boolean "or" when one side is null
  //    p       q       p and q
  //    true    null     true
  //    false   null     null
  //    null    true     true
  //    null    false    null
  //    null    null     null

  for (int i = 0; i < op.args.size(); i++) {
    arg = op.args.get(i).accept(this, generator);

    JBlock earlyExit = null;
    if (arg.isOptional()) {
      earlyExit = eval._if(arg.getIsSet().eq(JExpr.lit(1)).cand(arg.getValue().eq(JExpr.lit(1))))._then();
      if (e == null) {
        e = arg.getIsSet();
      } else {
        e = e.mul(arg.getIsSet());
      }
    } else {
      earlyExit = eval._if(arg.getValue().eq(JExpr.lit(1)))._then();
    }

    if (out.isOptional()) {
      earlyExit.assign(out.getIsSet(), JExpr.lit(1));
    }

    earlyExit.assign(out.getValue(),  JExpr.lit(1));
    earlyExit._break(label);
  }

  if (out.isOptional()) {
    assert (e != null);

    JConditional notSetJC = eval._if(e.eq(JExpr.lit(0)));
    notSetJC._then().assign(out.getIsSet(), JExpr.lit(0));

    JBlock setBlock = notSetJC._else().block();
    setBlock.assign(out.getIsSet(), JExpr.lit(1));
    setBlock.assign(out.getValue(), JExpr.lit(0));
  } else {
    assert (e == null);
    eval.assign(out.getValue(), JExpr.lit(0));
  }

  generator.unNestEvalBlock();   // exit from nested block.

  return out;
}
 
Example 3
Source Project: dremio-oss   File: EvaluationVisitor.java    License: Apache License 2.0 4 votes vote down vote up
private HoldingContainer visitBooleanAnd(BooleanOperator op,
    ClassGenerator<?> generator) {

  HoldingContainer out = generator.declare(op.getCompleteType());

  JLabel label = generator.getEvalBlockLabel("AndOP");
  JBlock eval = generator.createInnerEvalBlock();
  generator.nestEvalBlock(eval);  // enter into nested block

  HoldingContainer arg = null;

  JExpression e = null;

  //  value of boolean "and" when one side is null
  //    p       q     p and q
  //    true    null     null
  //    false   null     false
  //    null    true     null
  //    null    false    false
  //    null    null     null
  for (int i = 0; i < op.args.size(); i++) {
    arg = op.args.get(i).accept(this, generator);

    JBlock earlyExit = null;
      earlyExit = eval._if(arg.getIsSet().eq(JExpr.lit(1)).cand(arg.getValue().ne(JExpr.lit(1))))._then();
      if (e == null) {
        e = arg.getIsSet();
      } else {
        e = e.mul(arg.getIsSet());
      }
    earlyExit.assign(out.getIsSet(), JExpr.lit(1));

    earlyExit.assign(out.getValue(),  JExpr.lit(0));
    earlyExit._break(label);
  }

  assert (e != null);

  JConditional notSetJC = eval._if(e.eq(JExpr.lit(0)));
  notSetJC._then().assign(out.getIsSet(), JExpr.lit(0));

  JBlock setBlock = notSetJC._else().block();
  setBlock.assign(out.getIsSet(), JExpr.lit(1));
  setBlock.assign(out.getValue(), JExpr.lit(1));

  generator.unNestEvalBlock();     // exit from nested block

  return out;
}
 
Example 4
Source Project: dremio-oss   File: EvaluationVisitor.java    License: Apache License 2.0 4 votes vote down vote up
private HoldingContainer visitBooleanOr(BooleanOperator op,
    ClassGenerator<?> generator) {

  HoldingContainer out = generator.declare(op.getCompleteType());

  JLabel label = generator.getEvalBlockLabel("OrOP");
  JBlock eval = generator.createInnerEvalBlock();
  generator.nestEvalBlock(eval);   // enter into nested block.

  HoldingContainer arg = null;

  JExpression e = null;

  //  value of boolean "or" when one side is null
  //    p       q       p and q
  //    true    null     true
  //    false   null     null
  //    null    true     true
  //    null    false    null
  //    null    null     null

  for (int i = 0; i < op.args.size(); i++) {
    arg = op.args.get(i).accept(this, generator);

    JBlock earlyExit = eval._if(arg.getIsSet().eq(JExpr.lit(1)).cand(arg.getValue().eq(JExpr.lit(1))))._then();
    if (e == null) {
      e = arg.getIsSet();
    } else {
      e = e.mul(arg.getIsSet());
    }
    earlyExit.assign(out.getIsSet(), JExpr.lit(1));
    earlyExit.assign(out.getValue(),  JExpr.lit(1));
    earlyExit._break(label);
  }

  assert (e != null);

  JConditional notSetJC = eval._if(e.eq(JExpr.lit(0)));
  notSetJC._then().assign(out.getIsSet(), JExpr.lit(0));

  JBlock setBlock = notSetJC._else().block();
  setBlock.assign(out.getIsSet(), JExpr.lit(1));
  setBlock.assign(out.getValue(), JExpr.lit(0));

  generator.unNestEvalBlock();   // exit from nested block.

  return out;
}