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Example 11 with ReturnStmt

use of com.github.javaparser.ast.stmt.ReturnStmt in project javaparser by javaparser.

the class LambdaResolutionTest method lambdaReduce.

@Test
public void lambdaReduce() {
    CompilationUnit cu = parseSample("Lambda");
    com.github.javaparser.ast.body.ClassOrInterfaceDeclaration clazz = Navigator.demandClass(cu, "Agenda");
    MethodDeclaration method = Navigator.demandMethod(clazz, "reduce");
    ReturnStmt returnStmt = Navigator.findReturnStmt(method);
    Expression expr = returnStmt.getExpression().get();
    JavaParserFacade javaParserFacade = JavaParserFacade.get(new ReflectionTypeSolver());
    ResolvedType type1 = javaParserFacade.getType(expr);
    assertEquals("java.util.Optional<java.lang.Integer>", type1.describe());
}
Also used : CompilationUnit(com.github.javaparser.ast.CompilationUnit) Expression(com.github.javaparser.ast.expr.Expression) MethodDeclaration(com.github.javaparser.ast.body.MethodDeclaration) JavaParserFacade(com.github.javaparser.symbolsolver.javaparsermodel.JavaParserFacade) ReflectionTypeSolver(com.github.javaparser.symbolsolver.resolution.typesolvers.ReflectionTypeSolver) ReturnStmt(com.github.javaparser.ast.stmt.ReturnStmt) ResolvedType(com.github.javaparser.resolution.types.ResolvedType) Test(org.junit.Test)

Example 12 with ReturnStmt

use of com.github.javaparser.ast.stmt.ReturnStmt in project javaparser by javaparser.

the class LambdaResolutionTest method lambdaBlockExplicitReturn.

@Test
public void lambdaBlockExplicitReturn() {
    CompilationUnit cu = parseSample("LambdaMulti");
    com.github.javaparser.ast.body.ClassOrInterfaceDeclaration clazz = Navigator.demandClass(cu, "Agenda");
    MethodDeclaration method = Navigator.demandMethod(clazz, "lambdaSingleReturn");
    ReturnStmt returnStmt = Navigator.findReturnStmt(method);
    Expression expression = returnStmt.getExpression().get();
    JavaParserFacade javaParserFacade = JavaParserFacade.get(new ReflectionTypeSolver());
    ResolvedType type = javaParserFacade.getType(expression);
    assertEquals("java.lang.String", type.describe());
}
Also used : CompilationUnit(com.github.javaparser.ast.CompilationUnit) Expression(com.github.javaparser.ast.expr.Expression) MethodDeclaration(com.github.javaparser.ast.body.MethodDeclaration) JavaParserFacade(com.github.javaparser.symbolsolver.javaparsermodel.JavaParserFacade) ReflectionTypeSolver(com.github.javaparser.symbolsolver.resolution.typesolvers.ReflectionTypeSolver) ReturnStmt(com.github.javaparser.ast.stmt.ReturnStmt) ResolvedType(com.github.javaparser.resolution.types.ResolvedType) Test(org.junit.Test)

Example 13 with ReturnStmt

use of com.github.javaparser.ast.stmt.ReturnStmt in project javaparser by javaparser.

the class LambdaResolutionTest method lambdaMap.

@Test
public void lambdaMap() {
    CompilationUnit cu = parseSample("Lambda");
    com.github.javaparser.ast.body.ClassOrInterfaceDeclaration clazz = Navigator.demandClass(cu, "Agenda");
    MethodDeclaration m1 = Navigator.demandMethod(clazz, "lambdaMap");
    MethodDeclaration m2 = Navigator.demandMethod(clazz, "lambdaMap2");
    ReturnStmt returnStmt1 = Navigator.findReturnStmt(m1);
    ReturnStmt returnStmt2 = Navigator.findReturnStmt(m2);
    Expression e1 = returnStmt1.getExpression().get();
    Expression e2 = returnStmt2.getExpression().get();
    JavaParserFacade javaParserFacade = JavaParserFacade.get(new ReflectionTypeSolver());
    ResolvedType type1 = javaParserFacade.getType(e1);
    ResolvedType type2 = javaParserFacade.getType(e2);
    assertEquals("java.util.stream.Stream<java.lang.String>", type1.describe());
    assertEquals("java.util.stream.Stream<java.util.stream.IntStream>", type2.describe());
}
Also used : CompilationUnit(com.github.javaparser.ast.CompilationUnit) Expression(com.github.javaparser.ast.expr.Expression) MethodDeclaration(com.github.javaparser.ast.body.MethodDeclaration) JavaParserFacade(com.github.javaparser.symbolsolver.javaparsermodel.JavaParserFacade) ReflectionTypeSolver(com.github.javaparser.symbolsolver.resolution.typesolvers.ReflectionTypeSolver) ReturnStmt(com.github.javaparser.ast.stmt.ReturnStmt) ResolvedType(com.github.javaparser.resolution.types.ResolvedType) Test(org.junit.Test)

Example 14 with ReturnStmt

use of com.github.javaparser.ast.stmt.ReturnStmt in project javaparser by javaparser.

the class LambdaResolutionTest method lambdaBlockMultiLineReturn.

@Test
public void lambdaBlockMultiLineReturn() {
    CompilationUnit cu = parseSample("LambdaMulti");
    com.github.javaparser.ast.body.ClassOrInterfaceDeclaration clazz = Navigator.demandClass(cu, "Agenda");
    MethodDeclaration method = Navigator.demandMethod(clazz, "multiLineReturn");
    ReturnStmt returnStmt = Navigator.findReturnStmt(method);
    Expression expression = returnStmt.getExpression().get();
    JavaParserFacade javaParserFacade = JavaParserFacade.get(new ReflectionTypeSolver());
    ResolvedType type = javaParserFacade.getType(expression);
    assertEquals("java.lang.String", type.describe());
}
Also used : CompilationUnit(com.github.javaparser.ast.CompilationUnit) Expression(com.github.javaparser.ast.expr.Expression) MethodDeclaration(com.github.javaparser.ast.body.MethodDeclaration) JavaParserFacade(com.github.javaparser.symbolsolver.javaparsermodel.JavaParserFacade) ReflectionTypeSolver(com.github.javaparser.symbolsolver.resolution.typesolvers.ReflectionTypeSolver) ReturnStmt(com.github.javaparser.ast.stmt.ReturnStmt) ResolvedType(com.github.javaparser.resolution.types.ResolvedType) Test(org.junit.Test)

Example 15 with ReturnStmt

use of com.github.javaparser.ast.stmt.ReturnStmt in project javaparser by javaparser.

the class LambdaResolutionTest method typeOfVoidLambda.

@Test
public void typeOfVoidLambda() {
    CompilationUnit cu = parseSample("LambdaVoid");
    com.github.javaparser.ast.body.ClassOrInterfaceDeclaration clazz = Navigator.demandClass(cu, "Agenda");
    MethodDeclaration method = Navigator.demandMethod(clazz, "lambdaEmpty");
    ReturnStmt returnStmt = Navigator.findReturnStmt(method);
    Expression expression = returnStmt.getExpression().get();
    LambdaExpr lambdaExpr = Navigator.findNodeOfGivenClass(expression, LambdaExpr.class);
    JavaParserFacade javaParserFacade = JavaParserFacade.get(new ReflectionTypeSolver());
    ResolvedType type = javaParserFacade.getType(lambdaExpr);
    assertEquals("void", type.describe());
}
Also used : CompilationUnit(com.github.javaparser.ast.CompilationUnit) Expression(com.github.javaparser.ast.expr.Expression) MethodDeclaration(com.github.javaparser.ast.body.MethodDeclaration) LambdaExpr(com.github.javaparser.ast.expr.LambdaExpr) JavaParserFacade(com.github.javaparser.symbolsolver.javaparsermodel.JavaParserFacade) ReflectionTypeSolver(com.github.javaparser.symbolsolver.resolution.typesolvers.ReflectionTypeSolver) ReturnStmt(com.github.javaparser.ast.stmt.ReturnStmt) ResolvedType(com.github.javaparser.resolution.types.ResolvedType) Test(org.junit.Test)

Aggregations

ReturnStmt (com.github.javaparser.ast.stmt.ReturnStmt)27 CompilationUnit (com.github.javaparser.ast.CompilationUnit)23 MethodDeclaration (com.github.javaparser.ast.body.MethodDeclaration)23 Test (org.junit.Test)23 ReflectionTypeSolver (com.github.javaparser.symbolsolver.resolution.typesolvers.ReflectionTypeSolver)22 ResolvedType (com.github.javaparser.resolution.types.ResolvedType)21 Expression (com.github.javaparser.ast.expr.Expression)15 JavaParserFacade (com.github.javaparser.symbolsolver.javaparsermodel.JavaParserFacade)14 ClassOrInterfaceDeclaration (com.github.javaparser.ast.body.ClassOrInterfaceDeclaration)9 TypeSolver (com.github.javaparser.symbolsolver.model.resolution.TypeSolver)5 MethodCallExpr (com.github.javaparser.ast.expr.MethodCallExpr)3 LambdaExpr (com.github.javaparser.ast.expr.LambdaExpr)2 BlockStmt (com.github.javaparser.ast.stmt.BlockStmt)2 ResolvedMethodDeclaration (com.github.javaparser.resolution.declarations.ResolvedMethodDeclaration)2 Context (com.github.javaparser.symbolsolver.core.resolution.Context)2 Value (com.github.javaparser.symbolsolver.model.resolution.Value)2 AbstractResolutionTest (com.github.javaparser.symbolsolver.resolution.AbstractResolutionTest)2 FieldDeclaration (com.github.javaparser.ast.body.FieldDeclaration)1 Parameter (com.github.javaparser.ast.body.Parameter)1 VariableDeclarator (com.github.javaparser.ast.body.VariableDeclarator)1