Examples with CompilationUnit japa.parser.ast.CompilationUnit used on opensource projects

Example 31 with CompilationUnit

use of japa.parser.ast.CompilationUnit in project japid42 by branaway.

the class JavaSyntaxTool method parseParams.

/**
	 * parse a line of text that is supposed to be parameter list for a method
	 * declaration.
	 * 
	 * TODO: the parameter annotation, modifiers, etc ignored. should do it!
	 * 
	 * @param line
	 * @return
	 */
public static List<Parameter> parseParams(String line) {
    final List<Parameter> ret = new ArrayList<Parameter>();
    if (line == null || line.trim().length() == 0)
        return ret;
    // make it tolerant of lowercase default
    line = line.replace("@default(", "@Default(");
    String cl = String.format(classTempForParams, line);
    try {
        CompilationUnit cu = parse(cl);
        VoidVisitorAdapter visitor = new VoidVisitorAdapter() {

            @Override
            public void visit(Parameter p, Object arg) {
                ret.add(p);
            }
        };
        cu.accept(visitor, null);
    } catch (ParseException e) {
        throw new RuntimeException("the line does not seem to be a valid param list declaration: " + line);
    }
    return ret;
}

Example 32 with CompilationUnit

use of japa.parser.ast.CompilationUnit in project japid42 by branaway.

the class JavaSyntaxTool method parseCode.

public static List<CodeNode> parseCode(String code) {
    try {
        final List<CodeNode> nodes = new LinkedList();
        CompilationUnit cu = parse(code);
        VoidVisitorAdapter visitor = new VoidVisitorAdapter() {

            int nested = 0;

            @Override
            public void visit(AnnotationDeclaration n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(AnnotationMemberDeclaration n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(ArrayAccessExpr n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(ArrayCreationExpr n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(ArrayInitializerExpr n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(AssertStmt n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(AssignExpr n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(BinaryExpr n, Object arg) {
                if (n.getOperator() == Operator.binOr) {
                    nodes.add(new CodeNode(nested++, new BinaryOrExpr(n)));
                } else {
                    nodes.add(new CodeNode(nested++, n));
                }
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(BlockComment n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(BlockStmt n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(BooleanLiteralExpr n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(BreakStmt n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(CastExpr n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(CatchClause n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(CharLiteralExpr n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(ClassExpr n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(ClassOrInterfaceDeclaration n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(ClassOrInterfaceType n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(CompilationUnit n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(ConditionalExpr n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(ConstructorDeclaration n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(ContinueStmt n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(DoStmt n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(DoubleLiteralExpr n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(EmptyMemberDeclaration n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(EmptyStmt n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(EmptyTypeDeclaration n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(EnclosedExpr n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(EnumConstantDeclaration n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(EnumDeclaration n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(ExplicitConstructorInvocationStmt n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(ExpressionStmt n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(FieldAccessExpr n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(FieldDeclaration n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(ForeachStmt n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(ForStmt n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(IfStmt n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(ImportDeclaration n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(InitializerDeclaration n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(InstanceOfExpr n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(IntegerLiteralExpr n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(IntegerLiteralMinValueExpr n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(JavadocComment n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(LabeledStmt n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(LineComment n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(LongLiteralExpr n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(LongLiteralMinValueExpr n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(MarkerAnnotationExpr n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(MemberValuePair n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(MethodCallExpr n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(MethodDeclaration n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(NameExpr n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(NormalAnnotationExpr n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(NullLiteralExpr n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(ObjectCreationExpr n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(PackageDeclaration n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(Parameter n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(PrimitiveType n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(QualifiedNameExpr n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(ReferenceType n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(ReturnStmt n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(SingleMemberAnnotationExpr n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(StringLiteralExpr n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(SuperExpr n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(SwitchEntryStmt n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(SwitchStmt n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(SynchronizedStmt n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(ThisExpr n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(ThrowStmt n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(TryStmt n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(TypeDeclarationStmt n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(TypeParameter n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(UnaryExpr n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(VariableDeclarationExpr n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(VariableDeclarator n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(VariableDeclaratorId n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(VoidType n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(WhileStmt n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }

            @Override
            public void visit(WildcardType n, Object arg) {
                nodes.add(new CodeNode(nested++, n));
                super.visit(n, arg);
                nested--;
            }
        };
        cu.accept(visitor, null);
        return nodes;
    } catch (ParseException e) {
        throw new RuntimeException("invalid Java code: " + code + ". " + e);
    }
}

Example 33 with CompilationUnit

use of japa.parser.ast.CompilationUnit in project enumerable by hraberg.

the class InMemoryCompilerTest method createCU.

// This is borrowed from the javaparser examples.
CompilationUnit createCU() {
    CompilationUnit cu = new CompilationUnit();
    cu.setPackage(new PackageDeclaration(ASTHelper.createNameExpr("parser.test")));
    ClassOrInterfaceDeclaration type = new ClassOrInterfaceDeclaration(0, false, "GeneratedClass");
    ASTHelper.addTypeDeclaration(cu, type);
    MethodDeclaration method = new MethodDeclaration(ModifierSet.PUBLIC, ASTHelper.VOID_TYPE, "main");
    method.setModifiers(ModifierSet.addModifier(method.getModifiers(), ModifierSet.STATIC));
    ASTHelper.addMember(type, method);
    Parameter param = ASTHelper.createParameter(ASTHelper.createReferenceType("String", 0), "args");
    param.setVarArgs(true);
    ASTHelper.addParameter(method, param);
    BlockStmt block = new BlockStmt();
    method.setBody(block);
    NameExpr clazz = new NameExpr("System");
    FieldAccessExpr field = new FieldAccessExpr(clazz, "out");
    MethodCallExpr call = new MethodCallExpr(field, "println");
    ASTHelper.addArgument(call, new StringLiteralExpr("Hello World from AST"));
    ASTHelper.addStmt(block, call);
    return cu;
}

Example 34 with CompilationUnit

use of japa.parser.ast.CompilationUnit in project enumerable by hraberg.

the class InMemoryCompilerTest method inMemoryCompilationFromPlainStringViaJavaParserAST.

@Test
public void inMemoryCompilationFromPlainStringViaJavaParserAST() throws Exception {
    StringWriter writer = new StringWriter();
    PrintWriter out = new PrintWriter(writer);
    out.println("class HelloWorldAST {");
    out.println("  public static void main(String args[]) {");
    out.println("    System.out.println(\"Hello World from JavaParser\");");
    out.println("  }");
    out.println("}");
    out.close();
    CompilationUnit cu = JavaParser.parse(new ByteArrayInputStream(writer.toString().getBytes()));
    assertEquals("Hello World from JavaParser", invokeMain(compiler.compile(getFullyQualifiedName(cu), cu.toString())).trim());
}