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

Example 31 with Expression

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

the class GenericsResolutionTest method genericsInheritance.

@Test
public void genericsInheritance() {
    CompilationUnit cu = parseSample("MethodTypeParams");
    ClassOrInterfaceDeclaration clazz = Navigator.demandClass(cu, "VoidVisitorAdapter");
    MethodDeclaration method = Navigator.demandMethod(clazz, "visit");
    MethodCallExpr call = Navigator.findMethodCall(method, "accept").get();
    Expression thisRef = call.getArguments().get(0);
    TypeSolver typeSolver = new ReflectionTypeSolver();
    JavaParserFacade javaParserFacade = JavaParserFacade.get(typeSolver);
    ResolvedType voidVisitorAdapterOfA = javaParserFacade.getType(thisRef);
    List<ResolvedReferenceType> allAncestors = voidVisitorAdapterOfA.asReferenceType().getAllAncestors();
    assertEquals(2, allAncestors.size());
}

Example 32 with Expression

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

the class GenericsResolutionTest method genericCollectionWithWildcards.

@Test
public void genericCollectionWithWildcards() {
    CompilationUnit cu = parseSample("GenericCollection");
    ClassOrInterfaceDeclaration clazz = Navigator.demandClass(cu, "Foo");
    MethodDeclaration method = Navigator.demandMethod(clazz, "bar");
    ReturnStmt returnStmt = Navigator.findReturnStmt(method);
    TypeSolver typeSolver = new ReflectionTypeSolver();
    Expression returnStmtExpr = returnStmt.getExpression().get();
    JavaParserFacade javaParserFacade = JavaParserFacade.get(typeSolver);
    ResolvedType type = javaParserFacade.getType(returnStmtExpr);
    assertEquals(false, type.isTypeVariable());
    assertEquals("boolean", type.describe());
}

Example 33 with Expression

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

the class GenericsResolutionTest method resolveUsageOfGenericFieldAdvancedCase.

@Test
public void resolveUsageOfGenericFieldAdvancedCase() {
    CompilationUnit cu = parseSample("Generics");
    ClassOrInterfaceDeclaration clazz = Navigator.demandClass(cu, "SomeCollection");
    MethodDeclaration method = Navigator.demandMethod(clazz, "foo2");
    ExpressionStmt stmt = (ExpressionStmt) method.getBody().get().getStatements().get(0);
    Expression expression = stmt.getExpression();
    ResolvedType type = JavaParserFacade.get(new ReflectionTypeSolver()).getType(expression);
    assertEquals(false, type.isTypeVariable());
    assertEquals("java.util.List<java.lang.String>", type.describe());
    assertEquals(1, type.asReferenceType().typeParametersValues().size());
    assertEquals(false, type.asReferenceType().typeParametersValues().get(0).isTypeVariable());
    assertEquals("java.lang.String", type.asReferenceType().typeParametersValues().get(0).describe());
}

Example 34 with Expression

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

the class GenericsResolutionTest method classCastScope.

@Test
public void classCastScope() {
    CompilationUnit cu = parseSample("ClassCast");
    ClassOrInterfaceDeclaration clazz = Navigator.demandClass(cu, "ClassCast");
    MethodDeclaration method = Navigator.demandMethod(clazz, "getNodesByType");
    MethodCallExpr call = Navigator.findMethodCall(method, "cast").get();
    TypeSolver typeSolver = new ReflectionTypeSolver();
    Expression scope = call.getScope().get();
    ResolvedType type = JavaParserFacade.get(typeSolver).getType(scope);
    // System.out.println(typeUsage);
    assertEquals(false, type.isTypeVariable());
    assertEquals("java.lang.Class<N>", type.describe());
}

Example 35 with Expression

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

the class VariadicResolutionTest method issue7.

@Test
public void issue7() {
    CompilationUnit cu = parseSample("Generics_issue7");
    ClassOrInterfaceDeclaration clazz = Navigator.demandClass(cu, "SomeCollection");
    MethodDeclaration method = Navigator.demandMethod(clazz, "foo3");
    ReturnStmt stmt = (ReturnStmt) method.getBody().get().getStatements().get(0);
    Expression expression = stmt.getExpression().get();
    JavaParserFacade javaParserFacade = JavaParserFacade.get(new ReflectionTypeSolver());
    ResolvedType type = javaParserFacade.getType(expression);
    assertEquals(true, type.isReferenceType());
    assertEquals(List.class.getCanonicalName(), type.asReferenceType().getQualifiedName());
    assertEquals("java.util.List<java.lang.Long>", type.describe());
}