Examples with Expression de.fraunhofer.aisec.cpg.graph.statements.expressions.Expression used on opensource projects

Example 1 with Expression

use of de.fraunhofer.aisec.cpg.graph.statements.expressions.Expression in project cpg by Fraunhofer-AISEC.

the class VariableResolverJavaTest method initTests.

@BeforeAll
void initTests() throws ExecutionException, InterruptedException {
    final String topLevelPath = "src/test/resources/variables_extended/java/";
    List<String> fileNames = Arrays.asList("ScopeVariables.java", "ExternalClass.java");
    List<File> fileLocations = fileNames.stream().map(fileName -> new File(topLevelPath + fileName)).collect(Collectors.toList());
    TranslationConfiguration config = TranslationConfiguration.builder().sourceLocations(fileLocations.toArray(new File[fileNames.size()])).topLevel(new File(topLevelPath)).defaultPasses().defaultLanguages().debugParser(true).failOnError(true).build();
    TranslationManager analyzer = TranslationManager.builder().config(config).build();
    List<TranslationUnitDeclaration> tu = analyzer.analyze().get().getTranslationUnits();
    List<Node> nodes = tu.stream().flatMap(tUnit -> SubgraphWalker.flattenAST(tUnit).stream()).collect(Collectors.toList());
    List<CallExpression> calls = TestUtils.findByName(Util.filterCast(nodes, CallExpression.class), "printLog");
    calls.sort(new NodeComparator());
    List<RecordDeclaration> records = Util.filterCast(nodes, RecordDeclaration.class);
    // Extract all Variable declarations and field declarations for matching
    externalClass = TestUtils.getOfTypeWithName(nodes, RecordDeclaration.class, "variables_extended.ExternalClass");
    externVarName = TestUtils.getSubnodeOfTypeWithName(externalClass, FieldDeclaration.class, "varName");
    externStaticVarName = TestUtils.getSubnodeOfTypeWithName(externalClass, FieldDeclaration.class, "staticVarName");
    outerClass = TestUtils.getOfTypeWithName(nodes, RecordDeclaration.class, "variables_extended.ScopeVariables");
    outerVarName = outerClass.getFields().stream().filter(n -> n.getName().equals("varName")).findFirst().get();
    outerStaticVarName = outerClass.getFields().stream().filter(n -> n.getName().equals("staticVarName")).findFirst().get();
    outerImpThis = outerClass.getFields().stream().filter(n -> n.getName().equals("this")).findFirst().get();
    // Inner class and its fields
    innerClass = TestUtils.getOfTypeWithName(nodes, RecordDeclaration.class, "variables_extended.ScopeVariables.InnerClass");
    innerVarName = innerClass.getFields().stream().filter(n -> n.getName().equals("varName")).findFirst().get();
    innerStaticVarName = TestUtils.getSubnodeOfTypeWithName(innerClass, FieldDeclaration.class, "staticVarName");
    innerImpThis = TestUtils.getSubnodeOfTypeWithName(innerClass, FieldDeclaration.class, "this");
    innerImpOuter = TestUtils.getSubnodeOfTypeWithName(innerClass, FieldDeclaration.class, "ScopeVariables.this");
    main = TestUtils.getSubnodeOfTypeWithName(outerClass, MethodDeclaration.class, "main");
    outerFunction1 = outerClass.getMethods().stream().filter(method -> method.getName().equals("function1")).collect(Collectors.toList()).get(0);
    forStatements = Util.filterCast(SubgraphWalker.flattenAST(outerFunction1), ForStatement.class);
    // Functions i nthe outer and inner object
    outerFunction2 = outerClass.getMethods().stream().filter(method -> method.getName().equals("function2")).collect(Collectors.toList()).get(0);
    outerFunction3 = outerClass.getMethods().stream().filter(method -> method.getName().equals("function3")).collect(Collectors.toList()).get(0);
    outerFunction4 = outerClass.getMethods().stream().filter(method -> method.getName().equals("function4")).collect(Collectors.toList()).get(0);
    innerFunction1 = innerClass.getMethods().stream().filter(method -> method.getName().equals("function1")).collect(Collectors.toList()).get(0);
    innerFunction2 = innerClass.getMethods().stream().filter(method -> method.getName().equals("function2")).collect(Collectors.toList()).get(0);
    innerFunction3 = innerClass.getMethods().stream().filter(method -> method.getName().equals("function3")).collect(Collectors.toList()).get(0);
    for (CallExpression call : calls) {
        Expression first = call.getArguments().get(0);
        String logId = ((Literal) first).getValue().toString();
        Expression second = call.getArguments().get(1);
        callParamMap.put(logId, second);
    }
}

Example 2 with Expression

use of de.fraunhofer.aisec.cpg.graph.statements.expressions.Expression in project cpg by Fraunhofer-AISEC.

the class DeclarationHandler method handleFieldDeclaration.

public de.fraunhofer.aisec.cpg.graph.declarations.FieldDeclaration handleFieldDeclaration(com.github.javaparser.ast.body.FieldDeclaration fieldDecl) {
    // TODO: can  field have more than one variable?
    VariableDeclarator variable = fieldDecl.getVariable(0);
    List<String> modifiers = fieldDecl.getModifiers().stream().map(modifier -> modifier.getKeyword().asString()).collect(Collectors.toList());
    String joinedModifiers = String.join(" ", modifiers) + " ";
    PhysicalLocation location = this.lang.getLocationFromRawNode(fieldDecl);
    Expression initializer = (Expression) variable.getInitializer().map(this.lang.getExpressionHandler()::handle).orElse(null);
    Type type;
    try {
        // Resolve type first with ParameterizedType
        type = TypeManager.getInstance().getTypeParameter(this.lang.getScopeManager().getCurrentRecord(), variable.resolve().getType().describe());
        if (type == null) {
            type = TypeParser.createFrom(joinedModifiers + variable.resolve().getType().describe(), true);
        }
    } catch (UnsolvedSymbolException | UnsupportedOperationException e) {
        String t = this.lang.recoverTypeFromUnsolvedException(e);
        if (t == null) {
            log.warn("Could not resolve type for {}", variable);
            type = TypeParser.createFrom(joinedModifiers + variable.getType().asString(), true);
        } else {
            type = TypeParser.createFrom(joinedModifiers + t, true);
            type.setTypeOrigin(Type.Origin.GUESSED);
        }
    }
    de.fraunhofer.aisec.cpg.graph.declarations.FieldDeclaration fieldDeclaration = newFieldDeclaration(variable.getName().asString(), type, modifiers, variable.toString(), location, initializer, false);
    lang.getScopeManager().addDeclaration(fieldDeclaration);
    this.lang.processAnnotations(fieldDeclaration, fieldDecl);
    return fieldDeclaration;
}

Example 3 with Expression

use of de.fraunhofer.aisec.cpg.graph.statements.expressions.Expression in project cpg by Fraunhofer-AISEC.

the class VariableResolverCppTest method initTests.

@BeforeAll
void initTests() throws ExecutionException, InterruptedException {
    final String topLevelPath = "src/test/resources/variables_extended/cpp/";
    List<String> fileNames = Arrays.asList("scope_variables.cpp", "external_class.cpp");
    List<File> fileLocations = fileNames.stream().map(fileName -> new File(topLevelPath + fileName)).collect(Collectors.toList());
    TranslationConfiguration config = TranslationConfiguration.builder().sourceLocations(fileLocations.toArray(new File[fileNames.size()])).topLevel(new File(topLevelPath)).defaultPasses().debugParser(true).defaultLanguages().failOnError(true).loadIncludes(true).build();
    TranslationManager analyzer = TranslationManager.builder().config(config).build();
    List<TranslationUnitDeclaration> tu = analyzer.analyze().get().getTranslationUnits();
    List<Node> nodes = tu.stream().flatMap(tUnit -> SubgraphWalker.flattenAST(tUnit).stream()).collect(Collectors.toList());
    List<CallExpression> calls = TestUtils.findByName(Util.filterCast(nodes, CallExpression.class), "printLog");
    calls.sort(new NodeComparator());
    List<RecordDeclaration> records = Util.filterCast(nodes, RecordDeclaration.class);
    // Extract all Variable declarations and field declarations for matching
    externalClass = TestUtils.getOfTypeWithName(nodes, RecordDeclaration.class, "ExternalClass");
    externVarName = TestUtils.getSubnodeOfTypeWithName(externalClass, FieldDeclaration.class, "varName");
    externStaticVarName = TestUtils.getSubnodeOfTypeWithName(externalClass, FieldDeclaration.class, "staticVarName");
    outerClass = TestUtils.getOfTypeWithName(nodes, RecordDeclaration.class, "ScopeVariables");
    outerVarName = outerClass.getFields().stream().filter(n -> n.getName().equals("varName")).findFirst().get();
    outerStaticVarName = outerClass.getFields().stream().filter(n -> n.getName().equals("staticVarName")).findFirst().get();
    outerImpThis = outerClass.getFields().stream().filter(n -> n.getName().equals("this")).findFirst().get();
    List<RecordDeclaration> classes = Util.filterCast(nodes, RecordDeclaration.class);
    // Inner class and its fields
    innerClass = TestUtils.getOfTypeWithName(nodes, RecordDeclaration.class, "ScopeVariables::InnerClass");
    innerVarName = innerClass.getFields().stream().filter(n -> n.getName().equals("varName")).findFirst().get();
    innerStaticVarName = innerClass.getFields().stream().filter(n -> n.getName().equals("staticVarName")).findFirst().get();
    innerImpThis = innerClass.getFields().stream().filter(n -> n.getName().equals("this")).findFirst().get();
    main = TestUtils.getOfTypeWithName(nodes, FunctionDeclaration.class, "main");
    // Functions in the outer and inner object
    outerFunction1 = outerClass.getMethods().stream().filter(method -> method.getName().equals("function1")).collect(Collectors.toList()).get(0);
    forStatements = Util.filterCast(SubgraphWalker.flattenAST(outerFunction1), ForStatement.class);
    outerFunction2 = outerClass.getMethods().stream().filter(method -> method.getName().equals("function2")).collect(Collectors.toList()).get(0);
    outerFunction3 = outerClass.getMethods().stream().filter(method -> method.getName().equals("function3")).collect(Collectors.toList()).get(0);
    outerFunction4 = outerClass.getMethods().stream().filter(method -> method.getName().equals("function4")).collect(Collectors.toList()).get(0);
    outerFunction5 = outerClass.getMethods().stream().filter(method -> method.getName().equals("function5")).collect(Collectors.toList()).get(0);
    innerFunction1 = innerClass.getMethods().stream().filter(method -> method.getName().equals("function1")).collect(Collectors.toList()).get(0);
    innerFunction2 = innerClass.getMethods().stream().filter(method -> method.getName().equals("function2")).collect(Collectors.toList()).get(0);
    for (CallExpression call : calls) {
        Expression first = call.getArguments().get(0);
        String logId = ((Literal) first).getValue().toString();
        Expression second = call.getArguments().get(1);
        callParamMap.put(logId, second);
    }
}