Examples with LambdaExprContext com.github.javaparser.symbolsolver.javaparsermodel.contexts.LambdaExprContext used on opensource projects

Example 1 with LambdaExprContext

use of com.github.javaparser.symbolsolver.javaparsermodel.contexts.LambdaExprContext in project javaparser by javaparser.

the class LambdaExprContextResolutionTest method solveParameterOfLambdaInFieldDecl.

@Test
public void solveParameterOfLambdaInFieldDecl() {
    CompilationUnit cu = parseSample("Lambda");
    com.github.javaparser.ast.body.ClassOrInterfaceDeclaration clazz = Navigator.demandClass(cu, "Agenda");
    VariableDeclarator field = Navigator.demandField(clazz, "functional");
    LambdaExpr lambdaExpr = (LambdaExpr) field.getInitializer().get();
    File src = new File("src/test/resources");
    CombinedTypeSolver combinedTypeSolver = new CombinedTypeSolver();
    combinedTypeSolver.add(new ReflectionTypeSolver());
    combinedTypeSolver.add(new JavaParserTypeSolver(adaptPath(src)));
    Context context = new LambdaExprContext(lambdaExpr, combinedTypeSolver);
    Optional<Value> ref = context.solveSymbolAsValue("p", typeSolver);
    assertTrue(ref.isPresent());
    assertEquals("java.lang.String", ref.get().getType().describe());
}

Example 2 with LambdaExprContext

use of com.github.javaparser.symbolsolver.javaparsermodel.contexts.LambdaExprContext in project javaparser by javaparser.

the class LambdaExprContextResolutionTest method solveParameterOfLambdaInVarDecl.

@Test
public void solveParameterOfLambdaInVarDecl() {
    CompilationUnit cu = parseSample("Lambda");
    com.github.javaparser.ast.body.ClassOrInterfaceDeclaration clazz = Navigator.demandClass(cu, "Agenda");
    MethodDeclaration method = Navigator.demandMethod(clazz, "testFunctionalVar");
    VariableDeclarator varDecl = Navigator.demandVariableDeclaration(method, "a").get();
    LambdaExpr lambdaExpr = (LambdaExpr) varDecl.getInitializer().get();
    File src = adaptPath(new File("src/test/resources"));
    CombinedTypeSolver combinedTypeSolver = new CombinedTypeSolver();
    combinedTypeSolver.add(new ReflectionTypeSolver());
    combinedTypeSolver.add(new JavaParserTypeSolver(src));
    Context context = new LambdaExprContext(lambdaExpr, combinedTypeSolver);
    Optional<Value> ref = context.solveSymbolAsValue("p", typeSolver);
    assertTrue(ref.isPresent());
    assertEquals("java.lang.String", ref.get().getType().describe());
}

Example 3 with LambdaExprContext

use of com.github.javaparser.symbolsolver.javaparsermodel.contexts.LambdaExprContext in project javaparser by javaparser.

the class LambdaExprContextResolutionTest method solveParameterOfLambdaInMethodCallExpr.

@Test
public void solveParameterOfLambdaInMethodCallExpr() {
    CompilationUnit cu = parseSample("Lambda");
    com.github.javaparser.ast.body.ClassOrInterfaceDeclaration clazz = Navigator.demandClass(cu, "Agenda");
    MethodDeclaration method = Navigator.demandMethod(clazz, "lambdaMap");
    ReturnStmt returnStmt = Navigator.findReturnStmt(method);
    MethodCallExpr methodCallExpr = (MethodCallExpr) returnStmt.getExpression().get();
    LambdaExpr lambdaExpr = (LambdaExpr) methodCallExpr.getArguments().get(0);
    Context context = new LambdaExprContext(lambdaExpr, typeSolver);
    Optional<Value> ref = context.solveSymbolAsValue("p", typeSolver);
    assertTrue(ref.isPresent());
    assertEquals("? super java.lang.String", ref.get().getType().describe());
}