Java CtLocalVariable类代码示例

import spoon.reflect.code.CtLocalVariable; //导入依赖的package包/类
@Override
public List<CtMethod> apply(CtMethod method) {
	List<CtLocalVariable<?>> existingObjects = getExistingObjects(method);
	final Stream<? extends CtMethod<?>> gen_o1 = existingObjects.stream() // must use tmp variable because javac is confused
			.flatMap(localVariable -> ConstructorCreator.generateAllConstructionOf(localVariable.getType()).stream())
			.map(ctExpression -> {
						final CtMethod<?> clone = AmplificationHelper.cloneMethodTest(method, "_sd");
						clone.getBody().insertBegin(
								clone.getFactory().createLocalVariable(
										ctExpression.getType(), "__DSPOT_gen_o" + counterGenerateNewObject++, ctExpression
								)
						);
						return clone;
					}
			);
	return gen_o1.collect(Collectors.toList());
}
 

import spoon.reflect.code.CtLocalVariable; //导入依赖的package包/类
public void removeAssertion(CtInvocation<?> invocation) {
    final Factory factory = invocation.getFactory();
    invocation.getArguments().forEach(argument -> {
        CtExpression clone = ((CtExpression) argument).clone();
        if (clone instanceof CtUnaryOperator) {
            clone = ((CtUnaryOperator) clone).getOperand();
        }
        if (clone instanceof CtStatement) {
            invocation.insertBefore((CtStatement) clone);
        } else if (! (clone instanceof CtLiteral || clone instanceof CtVariableRead)) {
            CtTypeReference<?> typeOfParameter = clone.getType();
            if (clone.getType().equals(factory.Type().NULL_TYPE)) {
                typeOfParameter = factory.Type().createReference(Object.class);
            }
            final CtLocalVariable localVariable = factory.createLocalVariable(
                    typeOfParameter,
                    typeOfParameter.getSimpleName() + "_" + counter[0]++,
                    clone
            );
            invocation.insertBefore(localVariable);
        }
    });
    invocation.getParent(CtStatementList.class).removeStatement(invocation);
}
 

import spoon.reflect.code.CtLocalVariable; //导入依赖的package包/类
@Override
public void process(CtStatement statement) {
    String evaluationAccess = "runtimeAngelicValue";
    // create the angelic value
    String type = subprocessor.getType().getCanonicalName();
    CtLocalVariable<?> evaluation = newLocalVariableDeclaration(
            statement.getFactory(), subprocessor.getType(), evaluationAccess, "(" + type + ")"
                    + this.getClass().getCanonicalName() + ".getValue("
                    + subprocessor.getDefaultValue() + ")");
    // insert angelic value before the statement
    insertBeforeUnderSameParent(evaluation, statement);
    // collect values of the statement
    appendValueCollection(statement, evaluationAccess);
    // insert angelic value in the condition
    subprocessor.setValue("runtimeAngelicValue");
    subprocessor().process(statement);
}
 

import spoon.reflect.code.CtLocalVariable; //导入依赖的package包/类
@Override
public void process(CtStatement ctStatement) {
    if (!(ctStatement instanceof CtLocalVariable<?>) && !(ctStatement instanceof CtAssignment<?, ?>))
        return;

    Class<?> localVariableClass = ((CtTypedElement<?>) ctStatement).getType().getActualClass();
    if (localVariableClass.equals(Integer.class) || localVariableClass.equals(int.class)) {
        if (ctStatement instanceof CtAssignment<?, ?>) {
            replaceInteger(((CtAssignment<?, ?>) ctStatement).getAssignment());
        } else {
            replaceInteger(((CtLocalVariable<?>) ctStatement).getDefaultExpression());
        }
    } else if (localVariableClass.equals(Double.class) || localVariableClass.equals(double.class)) {
        if (ctStatement instanceof CtAssignment<?, ?>) {
            replaceDouble(((CtAssignment<?, ?>) ctStatement).getAssignment());
        } else {
            replaceDouble(((CtLocalVariable<?>) ctStatement).getDefaultExpression());
        }
    } else if (localVariableClass.equals(Boolean.class) || localVariableClass.equals(boolean.class)) {
        if (ctStatement instanceof CtAssignment<?, ?>) {
            replaceBoolean(((CtAssignment<?, ?>) ctStatement).getAssignment());
        } else {
            replaceBoolean(((CtLocalVariable<?>) ctStatement).getDefaultExpression());
        }
    }
}
 

import spoon.reflect.code.CtLocalVariable; //导入依赖的package包/类
private void replaceDouble(CtExpression ctElement) {
    if (getValue() == null) {
        CtLocalVariable<Double> evaluation = newLocalVariableDeclaration(
                ctElement.getFactory(), double.class, "guess_fix",
                Debug.class.getCanonicalName() + ".makeSymbolicReal(\"guess_fix\")");

        CtStatement firstStatement = getFirstStatement(ctElement);
        if (firstStatement == null) {
            return;
        }
        SpoonStatementLibrary.insertBeforeUnderSameParent(evaluation, firstStatement);
        // SpoonStatementLibrary.insertAfterUnderSameParent(getFactory().Code().createCodeSnippetStatement("System.out.println(\"guess_fix: \" + guess_fix)"),
        // getFirstStatement(ctElement));
        ctElement.replace(getFactory().Code().createCodeSnippetExpression("guess_fix"));
    } else {
        ctElement.replace(getFactory().Code().createCodeSnippetExpression(getValue()));
    }
}
 

import spoon.reflect.code.CtLocalVariable; //导入依赖的package包/类
private void replaceInteger(CtExpression ctElement) {
    if (getValue() == null) {
        CtLocalVariable<Integer> evaluation = newLocalVariableDeclaration(
                ctElement.getFactory(), int.class, "guess_fix",
                Debug.class.getCanonicalName()
                        + ".makeSymbolicInteger(\"guess_fix\")");

        CtStatement firstStatement = getFirstStatement(ctElement);
        if (firstStatement == null) {
            return;
        }
        SpoonStatementLibrary.insertBeforeUnderSameParent(evaluation, firstStatement);
        // SpoonStatementLibrary.insertAfterUnderSameParent(getFactory().Code().createCodeSnippetStatement("System.out.println(\"guess_fix: \" + guess_fix)"),
        // getFirstStatement(ctElement));

        ctElement.replace(getFactory().Code().createCodeSnippetExpression("guess_fix"));
    } else {
        ctElement.replace(getFactory().Code().createCodeSnippetExpression(getValue()));
    }
}
 

import spoon.reflect.code.CtLocalVariable; //导入依赖的package包/类
/**
 * The statements of the command may refer to the external listener through 'this'. In such a case, the 'this' has to be changed
 * in a variable access.
 */
private void changeThisAccesses(final @NotNull List<CtElement> stats, final @NotNull CtAbstractInvocation<?> regInvok) {
	final Filter<CtThisAccess<?>> filter = new ThisAccessFilter(false);
	final CtExecutable<?> regMethod = regInvok.getParent(CtExecutable.class);

	stats.stream().map(stat -> stat.getElements(filter)).flatMap(s -> s.stream()).forEach(th -> {
		List<CtLocalVariable<?>> thisVar = regMethod.getElements(new BasicFilter<CtLocalVariable<?>>(CtLocalVariable.class) {
			@Override
			public boolean matches(final CtLocalVariable<?> element) {
				final CtType<?> decl = element.getType().getDeclaration();
				return decl!=null && decl.equals(th.getType().getDeclaration());
			}
		});
		if(thisVar.isEmpty()) {
			LOG.log(Level.SEVERE, "Cannot find a local variable for a 'this' access: " + thisVar);
		}else {
			th.replace(regInvok.getFactory().Code().createVariableRead(thisVar.get(0).getReference(), false));
		}
	});
}
 

import spoon.reflect.code.CtLocalVariable; //导入依赖的package包/类
@Override
public void process(CtStatement element) {

	if (element instanceof CtIf) {
		add(((CtIf) element).getCondition());
	} else if (element instanceof CtFor) {
		add(((CtFor) element).getExpression());
	} else if (element instanceof CtWhile) {
		add(((CtWhile) element).getLoopingExpression());
	} else if (element instanceof CtDo) {
		add(((CtDo) element).getLoopingExpression());
	} else if (element instanceof CtThrow) {
		add(((CtThrow) element).getThrownExpression());
	} else if (element instanceof CtInvocation && (element.getParent() instanceof CtBlock)) {
		add(element);
	} else if (element instanceof CtAssignment || element instanceof CtConstructorCall
			|| element instanceof CtCFlowBreak || element instanceof CtLocalVariable) {
		add(element);
	}

}
 

import spoon.reflect.code.CtLocalVariable; //导入依赖的package包/类
@Deprecated
public static CtLocalVariable generateNullValue(CtTypeReference type) {
    Factory factory = type.getFactory();
    final CtLiteral<?> defaultExpression = factory.createLiteral(null);
    defaultExpression.addTypeCast(type);
    return factory.Code().createLocalVariable(type, "vc_" + count++, defaultExpression);
}
 

import spoon.reflect.code.CtLocalVariable; //导入依赖的package包/类
private List<CtLocalVariable<?>> getExistingObjects(CtMethod method) {
	return method.getElements(new TypeFilter<CtLocalVariable<?>>(CtLocalVariable.class) {
		@Override
		public boolean matches(CtLocalVariable<?> element) {
			return element.getType() != null &&
					!element.getType().isPrimitive() &&
					element.getType().getDeclaration() != null;
		}
	});
}
 

import spoon.reflect.code.CtLocalVariable; //导入依赖的package包/类
public LiteralReplacer(Class<?> cl, CtStatement statement, StatementType statementType) {
    super(statement, statementType);
    if (statement instanceof CtAssignment<?, ?>) {
        super.setDefaultValue(((CtAssignment<?, ?>) statement).getAssignment().toString());
    } else if (statement instanceof CtLocalVariable<?>) {
        super.setDefaultValue(((CtLocalVariable<?>) statement).getDefaultExpression().toString());
    }
    super.setType(cl);
}
 

import spoon.reflect.code.CtLocalVariable; //导入依赖的package包/类
private void replaceBoolean(CtExpression ctElement) {
    if (getValue() == null) {
        CtLocalVariable<Boolean> evaluation = newLocalVariableDeclaration(
                ctElement.getFactory(), boolean.class, "guess_fix",
                Debug.class.getCanonicalName() + ".makeSymbolicBoolean(\"guess_fix\")");
        CtStatement firstStatement = getFirstStatement(ctElement);
        if (firstStatement == null) {
            return;
        }
        SpoonStatementLibrary.insertBeforeUnderSameParent(evaluation,
                firstStatement);
        ctElement.replace(getFactory().Code().createCodeSnippetExpression(
                "guess_fix"));
    } else {
        switch (getValue()) {
            case "1":
                ctElement.replace(getFactory().Code().createCodeSnippetExpression("true"));
                break;
            case "0":
                ctElement.replace(getFactory().Code().createCodeSnippetExpression("false"));
                break;
            default:
                ctElement.replace(getFactory().Code().createCodeSnippetExpression(getValue()));
                break;
        }
    }
}
 

import spoon.reflect.code.CtLocalVariable; //导入依赖的package包/类
public static List<CtMethod> getGetters(CtLocalVariable localVariable) {
	return ((Set<CtMethod<?>>) localVariable.getType().getDeclaration().getMethods()).stream()
			.filter(method -> method.getParameters().isEmpty() &&
					method.getType() != localVariable.getFactory().Type().VOID_PRIMITIVE &&
					(method.getSimpleName().startsWith("get") ||
							method.getSimpleName().startsWith("is"))
			).collect(Collectors.toList());
}
 

import spoon.reflect.code.CtLocalVariable; //导入依赖的package包/类
public void collect(Launcher launcher, CtMethod<?> testMethod, List<CtLocalVariable> localVariables) {
	final CtClass testClass = testMethod.getParent(CtClass.class);
	testClass.removeMethod(testMethod);
	final CtMethod<?> clone = testMethod.clone();
	instrument(clone, localVariables);
	testClass.addMethod(clone);
	System.out.println(clone);
	run(launcher, testClass, clone);
	testClass.removeMethod(clone);
	testClass.addMethod(testMethod);
}
 

import spoon.reflect.code.CtLocalVariable; //导入依赖的package包/类
void instrument(CtMethod testMethod, CtLocalVariable localVariable) {
	List<CtMethod> getters = getGetters(localVariable);
	getters.forEach(getter -> {
		CtInvocation invocationToGetter =
				invok(getter, localVariable);
		CtInvocation invocationToObserve =
				createObserve(getter, invocationToGetter);
		testMethod.getBody().insertEnd(invocationToObserve);
	});
}