Examples with VariableDeclarator com.github.javaparser.ast.body.VariableDeclarator used on opensource projects

Example 66 with VariableDeclarator

use of com.github.javaparser.ast.body.VariableDeclarator in project javaparser by javaparser.

the class ASTHelper method createFieldDeclaration.

/**
 * Creates a {@link FieldDeclaration}.
 *
 * @param modifiers
 *            modifiers
 * @param type
 *            type
 * @param variable
 *            variable declarator
 * @return instance of {@link FieldDeclaration}
 */
public static FieldDeclaration createFieldDeclaration(int modifiers, Type type, VariableDeclarator variable) {
    List<VariableDeclarator> variables = new ArrayList<VariableDeclarator>();
    variables.add(variable);
    FieldDeclaration ret = new FieldDeclaration(modifiers, type, variables);
    return ret;
}

Example 67 with VariableDeclarator

use of com.github.javaparser.ast.body.VariableDeclarator 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 68 with VariableDeclarator

use of com.github.javaparser.ast.body.VariableDeclarator in project javaparser by javaparser.

the class SourceFileInfoExtractor method solve.

private void solve(Node node) {
    if (node instanceof ClassOrInterfaceDeclaration) {
        solveTypeDecl((ClassOrInterfaceDeclaration) node);
    } else if (node instanceof Expression) {
        if ((requireParentNode(node) instanceof ImportDeclaration) || (requireParentNode(node) instanceof Expression) || (requireParentNode(node) instanceof MethodDeclaration) || (requireParentNode(node) instanceof PackageDeclaration)) {
        // skip
        } else if ((requireParentNode(node) instanceof Statement) || (requireParentNode(node) instanceof VariableDeclarator)) {
            try {
                ResolvedType ref = JavaParserFacade.get(typeSolver).getType(node);
                out.println("  Line " + node.getRange().get().begin.line + ") " + node + " ==> " + ref.describe());
                ok++;
            } catch (UnsupportedOperationException upe) {
                unsupported++;
                err.println(upe.getMessage());
                throw upe;
            } catch (RuntimeException re) {
                ko++;
                err.println(re.getMessage());
                throw re;
            }
        }
    }
}

Example 69 with VariableDeclarator

use of com.github.javaparser.ast.body.VariableDeclarator in project javaparser by javaparser.

the class JavaParserSymbolDeclaration method getType.

@Override
public ResolvedType getType() {
    if (wrappedNode instanceof Parameter) {
        Parameter parameter = (Parameter) wrappedNode;
        if (requireParentNode(wrappedNode) instanceof LambdaExpr) {
            int pos = getParamPos(parameter);
            ResolvedType lambdaType = JavaParserFacade.get(typeSolver).getType(requireParentNode(wrappedNode));
            // MethodDeclaration methodCalled = JavaParserFacade.get(typeSolver).solve()
            throw new UnsupportedOperationException(wrappedNode.getClass().getCanonicalName());
        } else {
            final ResolvedType rawType;
            if (parameter.getType() instanceof com.github.javaparser.ast.type.PrimitiveType) {
                rawType = ResolvedPrimitiveType.byName(((com.github.javaparser.ast.type.PrimitiveType) parameter.getType()).getType().name());
            } else {
                rawType = JavaParserFacade.get(typeSolver).convertToUsage(parameter.getType(), wrappedNode);
            }
            if (parameter.isVarArgs()) {
                return new ResolvedArrayType(rawType);
            }
            return rawType;
        }
    } else if (wrappedNode instanceof VariableDeclarator) {
        VariableDeclarator variableDeclarator = (VariableDeclarator) wrappedNode;
        if (requireParentNode(wrappedNode) instanceof VariableDeclarationExpr) {
            return JavaParserFacade.get(typeSolver).convert(variableDeclarator.getType(), JavaParserFactory.getContext(wrappedNode, typeSolver));
        } else if (requireParentNode(wrappedNode) instanceof FieldDeclaration) {
            return JavaParserFacade.get(typeSolver).convert(variableDeclarator.getType(), JavaParserFactory.getContext(wrappedNode, typeSolver));
        }
    }
    throw new UnsupportedOperationException(wrappedNode.getClass().getCanonicalName());
}

Example 70 with VariableDeclarator

use of com.github.javaparser.ast.body.VariableDeclarator in project javaparser by javaparser.

the class NodeTest method findCompilationUnit.

@Test
public void findCompilationUnit() {
    CompilationUnit cu = parse("class X{int x;}");
    VariableDeclarator x = cu.getClassByName("X").get().getMember(0).asFieldDeclaration().getVariables().get(0);
    assertEquals(cu, x.findCompilationUnit().get());
}