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better error handling

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This commit is contained in:
hneemann 2016-05-09 22:00:35 +02:00
parent cbf97388c9
commit 36cf778825
1 changed files with 7 additions and 5 deletions
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12
src/main/java/de/neemann/digital/draw/builder/Builder.java
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@ -12,6 +12,7 @@ import de.neemann.digital.draw.elements.VisualElement;
import de.neemann.digital.draw.elements.Wire;
import de.neemann.digital.draw.graphics.Vector;
import de.neemann.digital.draw.shapes.ShapeFactory;
import de.neemann.digital.lang.Lang;
import java.util.ArrayList;
import java.util.HashMap;
@ -49,8 +50,9 @@ public class Builder {
* @param name the output name
* @param expression the expression
* @return this for chained calls
* @throws BuilderException BuilderException
*/
public Builder addExpression(String name, Expression expression) {
public Builder addExpression(String name, Expression expression) throws BuilderException {
Fragment fr = createFragment(expression);
fr = new FragmentExpression(fr, new FragmentVisualElement(Out.DESCRIPTION, shapeFactory).setAttr(Keys.LABEL, name));
@ -59,14 +61,14 @@ public class Builder {
Box b = fr.doLayout();
fr.addToCircuit(new Vector(0, pos), circuit);
pos += b.getHeight() + SIZE;
pos += b.getHeight() + SIZE * 2;
expression.traverse(variableVisitor);
return this;
}
private Fragment createFragment(Expression expression) {
private Fragment createFragment(Expression expression) throws BuilderException {
if (expression instanceof Operation) {
Operation op = (Operation) expression;
ArrayList<Fragment> frags = new ArrayList<>();
@ -78,7 +80,7 @@ public class Builder {
else if (op instanceof Operation.Or)
return new FragmentExpression(frags, new FragmentVisualElement(Or.DESCRIPTION, frags.size(), shapeFactory));
else
throw new RuntimeException("nyi");
throw new BuilderException(Lang.get("err_builder_operationNotSupported", op.getClass().getSimpleName()));
} else if (expression instanceof Not) {
Not n = (Not) expression;
if (n.getExpression() instanceof Variable) {
@ -92,7 +94,7 @@ public class Builder {
fragmentVariables.add(fragmentVariable);
return fragmentVariable;
} else
throw new RuntimeException("nyi");
throw new BuilderException(Lang.get("err_builder_exprNotSupported", expression.getClass().getSimpleName()));
}
private void createInputBus() {