Examples of org.codehaus.groovy.GroovyBugError

org.codehaus.groovy.GroovyBugError
This class represents an error that is thrown when a bug is recognized inside the runtime. Basically it is thrown when a constraint is not fullfilled that should be fullfiled. @author Jochen Theodorou

public abstract class AbstractASTTransformation implements Opcodes, ASTTransformation {
    private SourceUnit sourceUnit;


    protected void init(ASTNode[] nodes, SourceUnit sourceUnit) {
        if (nodes.length != 2 || !(nodes[0] instanceof AnnotationNode) || !(nodes[1] instanceof AnnotatedNode)) {
            throw new GroovyBugError("Internal error: expecting [AnnotationNode, AnnotatedNode] but got: " + Arrays.asList(nodes));
        }
        this.sourceUnit = sourceUnit;
    }

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     * @param value - the meta data value
     * @throws GroovyBugError if key is null or there is already meta 
     *                        data under that key
     */
    public void setNodeMetaData(Object key, Object value) {
        if (key==null) throw new GroovyBugError("Tried to set meta data with null key on "+this+".");
        Object old = metaDataMap.put(key,value);
        if (old!=null) throw new GroovyBugError("Tried to overwrite existing meta data "+this+".");
    }

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     * 
     * @param key - the meta data key
     * @throws GroovyBugError if the key is null
     */
    public void removeNodeMetaData(Object key) {
        if (key==null) throw new GroovyBugError("Tried to remove meta data with null key "+this+".");
        metaDataMap.remove(key);
        if (metaDataMap.size()==0) metaDataMap=null;
    }

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    private void check(Expression left) {
        if (left instanceof VariableExpression) {
            //nothing
        } else if (left instanceof TupleExpression) {
            TupleExpression tuple = (TupleExpression) left;
            if (tuple.getExpressions().size()==0) throw new GroovyBugError("one element required for left side");
        } else {
            throw new GroovyBugError("illegal left expression for declaration: "+left);
        }
    }

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        if (methodNode != null) {
            return methodNode.getReturnType();
        } else if (constructorNode != null) {
            return constructorNode.getReturnType();
        } else {
            throw new GroovyBugError("I spotted a return that is neither in a method nor in a constructor... I can not handle that");
        }
    }

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            ex = rs.getExpression();
        } else if (statement instanceof ExpressionStatement) {
            ExpressionStatement es = (ExpressionStatement) statement;
            ex = es.getExpression();            
        } else {
            throw new GroovyBugError("unknown statement type :"+statement.getClass());
        } 
        if (!(ex instanceof DeclarationExpression)) return true;
        DeclarationExpression declaration = (DeclarationExpression) ex;
        ex = declaration.getLeftExpression();
        if (ex instanceof TupleExpression) return false;
                
        // do declaration
        controller.getCompileStack().defineVariable(declaration.getVariableExpression(), false);
        // change statement to do assignment only
        BinaryExpression assignment = new BinaryExpression(
                declaration.getLeftExpression(),
                declaration.getOperation(),
                declaration.getRightExpression());
        assignment.setSourcePosition(declaration);
        assignment.copyNodeMetaData(declaration);
        // replace statement code
        if (statement instanceof ReturnStatement) {
            ReturnStatement rs = (ReturnStatement) statement;
            rs.setExpression(assignment);
        } else if (statement instanceof ExpressionStatement) {
            ExpressionStatement es = (ExpressionStatement) statement;
            es.setExpression(assignment);            
        } else {
            throw new GroovyBugError("unknown statement type :"+statement.getClass());
        }
        return true;
    }

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    protected MethodCaller getArraySetCaller() {
        return floatArraySet;
    }
    
    protected boolean writeBitwiseOp(int type, boolean simulate) {
        if (!simulate) throw new GroovyBugError("should not reach here");
        return false;   
    }

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    protected ClassNode getNormalOpResultType() {
        return ClassHelper.float_TYPE;
    }
    
    protected boolean writeShiftOp(int type, boolean simulate) {
        if (!simulate) throw new GroovyBugError("should not reach here");
        return false;   
    }

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        public DummyHelper(WriterController controller) {
            super(controller);
        }
        public boolean writePostOrPrefixMethod(int operation, boolean simulate) {
            if (simulate) return false;
            throw new GroovyBugError("should not reach here");
        }

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            if (simulate) return false;
            throw new GroovyBugError("should not reach here");
        }
        public boolean write(int operation, boolean simulate) {
            if (simulate) return false;
            throw new GroovyBugError("should not reach here");
        }

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