Examples with MethodCallExpr com.github.javaparser.ast.expr.MethodCallExpr used on opensource projects

Example 41 with MethodCallExpr

use of com.github.javaparser.ast.expr.MethodCallExpr in project javaparser by javaparser.

the class JavaParserTypeParameterResolutionTest method declaredOnMethodPositiveCase.

@Test
public void declaredOnMethodPositiveCase() {
    CompilationUnit cu = parseSample("MethodTypeParameter");
    TypeSolver typeSolver = new ReflectionTypeSolver();
    JavaParserFacade javaParserFacade = JavaParserFacade.get(typeSolver);
    ClassOrInterfaceDeclaration classDecl = Navigator.demandClass(cu, "Foo");
    MethodDeclaration methodDecl = Navigator.demandMethod(classDecl, "usage");
    MethodCallExpr callToFoo = (MethodCallExpr) Navigator.findReturnStmt(methodDecl).getExpression().get();
    ResolvedMethodDeclaration methodDeclaration = javaParserFacade.solve(callToFoo).getCorrespondingDeclaration();
    for (ResolvedTypeParameterDeclaration tp : methodDeclaration.getTypeParameters()) {
        assertTrue(tp instanceof JavaParserTypeParameter);
        assertEquals("C", tp.getName());
        assertEquals(true, tp.declaredOnMethod());
        assertEquals(false, tp.declaredOnType());
    }
}

Example 42 with MethodCallExpr

use of com.github.javaparser.ast.expr.MethodCallExpr in project javaparser by javaparser.

the class AbstractJavaParserContext method getParent.

@Override
public final Context getParent() {
    Node parent = wrappedNode.getParentNode().orElse(null);
    if (parent instanceof MethodCallExpr) {
        MethodCallExpr parentCall = (MethodCallExpr) parent;
        boolean found = false;
        if (parentCall.getArguments() != null) {
            for (Expression expression : parentCall.getArguments()) {
                if (expression == wrappedNode) {
                    found = true;
                }
            }
        }
        if (found) {
            Node notMethod = parent;
            while (notMethod instanceof MethodCallExpr) {
                notMethod = requireParentNode(notMethod);
            }
            return JavaParserFactory.getContext(notMethod, typeSolver);
        }
    }
    Node notMethod = parent;
    while (notMethod instanceof MethodCallExpr || notMethod instanceof FieldAccessExpr) {
        notMethod = notMethod.getParentNode().orElse(null);
    }
    if (notMethod == null) {
        return null;
    }
    return JavaParserFactory.getContext(notMethod, typeSolver);
}

Example 43 with MethodCallExpr

use of com.github.javaparser.ast.expr.MethodCallExpr in project javaparser by javaparser.

the class LambdaExprContext method solveSymbolAsValue.

@Override
public Optional<Value> solveSymbolAsValue(String name, TypeSolver typeSolver) {
    for (Parameter parameter : wrappedNode.getParameters()) {
        SymbolDeclarator sb = JavaParserFactory.getSymbolDeclarator(parameter, typeSolver);
        int index = 0;
        for (ResolvedValueDeclaration decl : sb.getSymbolDeclarations()) {
            if (decl.getName().equals(name)) {
                if (requireParentNode(wrappedNode) instanceof MethodCallExpr) {
                    MethodCallExpr methodCallExpr = (MethodCallExpr) requireParentNode(wrappedNode);
                    MethodUsage methodUsage = JavaParserFacade.get(typeSolver).solveMethodAsUsage(methodCallExpr);
                    int i = pos(methodCallExpr, wrappedNode);
                    ResolvedType lambdaType = methodUsage.getParamTypes().get(i);
                    // Get the functional method in order for us to resolve it's type arguments properly
                    Optional<MethodUsage> functionalMethodOpt = FunctionalInterfaceLogic.getFunctionalMethod(lambdaType);
                    if (functionalMethodOpt.isPresent()) {
                        MethodUsage functionalMethod = functionalMethodOpt.get();
                        InferenceContext inferenceContext = new InferenceContext(MyObjectProvider.INSTANCE);
                        // Resolve each type variable of the lambda, and use this later to infer the type of each
                        // implicit parameter
                        inferenceContext.addPair(lambdaType, new ReferenceTypeImpl(lambdaType.asReferenceType().getTypeDeclaration(), typeSolver));
                        // Find the position of this lambda argument
                        boolean found = false;
                        int lambdaParamIndex;
                        for (lambdaParamIndex = 0; lambdaParamIndex < wrappedNode.getParameters().size(); lambdaParamIndex++) {
                            if (wrappedNode.getParameter(lambdaParamIndex).getName().getIdentifier().equals(name)) {
                                found = true;
                                break;
                            }
                        }
                        if (!found) {
                            return Optional.empty();
                        }
                        // Now resolve the argument type using the inference context
                        ResolvedType argType = inferenceContext.resolve(inferenceContext.addSingle(functionalMethod.getParamType(lambdaParamIndex)));
                        ResolvedLambdaConstraintType conType;
                        if (argType.isWildcard()) {
                            conType = ResolvedLambdaConstraintType.bound(argType.asWildcard().getBoundedType());
                        } else {
                            conType = ResolvedLambdaConstraintType.bound(argType);
                        }
                        Value value = new Value(conType, name);
                        return Optional.of(value);
                    } else {
                        return Optional.empty();
                    }
                } else if (requireParentNode(wrappedNode) instanceof VariableDeclarator) {
                    VariableDeclarator variableDeclarator = (VariableDeclarator) requireParentNode(wrappedNode);
                    ResolvedType t = JavaParserFacade.get(typeSolver).convertToUsageVariableType(variableDeclarator);
                    Optional<MethodUsage> functionalMethod = FunctionalInterfaceLogic.getFunctionalMethod(t);
                    if (functionalMethod.isPresent()) {
                        ResolvedType lambdaType = functionalMethod.get().getParamType(index);
                        // Replace parameter from declarator
                        Map<ResolvedTypeParameterDeclaration, ResolvedType> inferredTypes = new HashMap<>();
                        if (lambdaType.isReferenceType()) {
                            for (com.github.javaparser.utils.Pair<ResolvedTypeParameterDeclaration, ResolvedType> entry : lambdaType.asReferenceType().getTypeParametersMap()) {
                                if (entry.b.isTypeVariable() && entry.b.asTypeParameter().declaredOnType()) {
                                    ResolvedType ot = t.asReferenceType().typeParametersMap().getValue(entry.a);
                                    lambdaType = lambdaType.replaceTypeVariables(entry.a, ot, inferredTypes);
                                }
                            }
                        } else if (lambdaType.isTypeVariable() && lambdaType.asTypeParameter().declaredOnType()) {
                            lambdaType = t.asReferenceType().typeParametersMap().getValue(lambdaType.asTypeParameter());
                        }
                        Value value = new Value(lambdaType, name);
                        return Optional.of(value);
                    } else {
                        throw new UnsupportedOperationException();
                    }
                } else {
                    throw new UnsupportedOperationException();
                }
            }
            index++;
        }
    }
    // if nothing is found we should ask the parent context
    return getParent().solveSymbolAsValue(name, typeSolver);
}

Example 44 with MethodCallExpr

use of com.github.javaparser.ast.expr.MethodCallExpr in project javaparser by javaparser.

the class Issue251 method testSolveStaticallyImportedMemberType.

@Test
public void testSolveStaticallyImportedMemberType() {
    CompilationUnit cu = parseSample("Issue251");
    ClassOrInterfaceDeclaration cls = Navigator.demandClassOrInterface(cu, "Main");
    TypeSolver typeSolver = new ReflectionTypeSolver();
    JavaParserFacade javaParserFacade = JavaParserFacade.get(typeSolver);
    MethodDeclaration m = Navigator.demandMethod(cls, "bar");
    ExpressionStmt stmt = (ExpressionStmt) m.getBody().get().getStatements().get(1);
    MethodCallExpr expression = (MethodCallExpr) stmt.getExpression();
    Assert.assertNotNull(javaParserFacade.solve(expression));
}

Example 45 with MethodCallExpr

use of com.github.javaparser.ast.expr.MethodCallExpr in project javaparser by javaparser.

the class Issue84 method variadicIssue.

@Test
public void variadicIssue() {
    CompilationUnit cu = parseSample("Issue84");
    final MethodCallExpr methodCall = Navigator.findMethodCall(cu, "variadicMethod").get();
    final JavaParserFacade javaParserFacade = JavaParserFacade.get(new ReflectionTypeSolver());
    final ResolvedType type = javaParserFacade.getType(methodCall);
    assertEquals(String.class.getCanonicalName(), type.asReferenceType().getQualifiedName());
}