Examples with ICPPUsingDeclaration org.eclipse.cdt.core.dom.ast.cpp.ICPPUsingDeclaration used on opensource projects

Example 1 with ICPPUsingDeclaration

use of org.eclipse.cdt.core.dom.ast.cpp.ICPPUsingDeclaration in project Cpp4CIA by thanhminhmr.

the class AstBuilder method createChildrenFromDeclaration.

@Nonnull
private List<CppNode> createChildrenFromDeclaration(@Nonnull CppNode parentNode, @Nonnull IASTDeclaration declaration) {
    if (declaration instanceof ICPPASTVisibilityLabel || declaration instanceof IASTASMDeclaration || declaration instanceof IASTProblemDeclaration || declaration instanceof ICPPASTStaticAssertDeclaration || declaration instanceof ICPPASTExplicitTemplateInstantiation || declaration instanceof ICPPASTInitCapture) {
        // skipped
        return List.of();
    } else if (declaration instanceof ICPPASTUsingDeclaration) {
        // region Using Declaration / Directive
        final IASTName declarationName = ((ICPPASTUsingDeclaration) declaration).getName();
        final IBinding declarationBinding = declarationName.resolveBinding();
        final CppNode declarationNode = createNode(declarationBinding, declarationName, null, new TypedefNode(), parentNode);
        if (declarationNode instanceof TypedefNode && declarationBinding instanceof ICPPUsingDeclaration) {
            for (final IBinding delegateBinding : ((ICPPUsingDeclaration) declarationBinding).getDelegates()) {
                createUnknownNode(declarationNode, delegateBinding, declarationName.toString(), true);
            }
        }
        // endregion
        return List.of(declarationNode);
    } else if (declaration instanceof ICPPASTUsingDirective) {
        // region Using Declaration / Directive
        final IASTName usingName = ((ICPPASTUsingDirective) declaration).getQualifiedName();
        final CppNode usingNode = createUnknownNode(parentNode, usingName.resolveBinding(), usingName.toString(), true);
        // endregion
        return List.of(usingNode);
    } else if (declaration instanceof ICPPASTLinkageSpecification) {
        final ICPPASTLinkageSpecification linkageSpecification = (ICPPASTLinkageSpecification) declaration;
        // region extern "C"
        final List<CppNode> childrenNode = new ArrayList<>();
        for (final IASTDeclaration linkageDeclaration : linkageSpecification.getDeclarations(false)) {
            childrenNode.addAll(createChildrenFromDeclaration(parentNode, linkageDeclaration));
        }
        // endregion
        return childrenNode;
    } else if (declaration instanceof ICPPASTNamespaceDefinition) {
        final ICPPASTNamespaceDefinition namespaceDefinition = (ICPPASTNamespaceDefinition) declaration;
        // region Namespace
        final IASTName namespaceName = namespaceDefinition.getName();
        final CppNode namespaceNode = createNode(namespaceName.resolveBinding(), namespaceName, null, new NamespaceNode(), parentNode);
        for (final IASTDeclaration namespaceDeclaration : namespaceDefinition.getDeclarations(false)) {
            createChildrenFromDeclaration(namespaceNode, namespaceDeclaration);
        }
        // endregion
        return List.of(namespaceNode);
    } else if (declaration instanceof IASTSimpleDeclaration) {
        final IASTSimpleDeclaration simpleDeclaration = (IASTSimpleDeclaration) declaration;
        // region Simple Declaration
        final IASTDeclSpecifier simpleSpecifier = simpleDeclaration.getDeclSpecifier();
        final CppNode simpleNodeType = createFromDeclSpecifier(parentNode, simpleSpecifier);
        final List<CppNode> simpleNodeList = new ArrayList<>();
        final boolean isTypedef = simpleSpecifier.getStorageClass() == IASTDeclSpecifier.sc_typedef;
        for (final IASTDeclarator simpleDeclarator : simpleDeclaration.getDeclarators()) {
            simpleNodeList.add(createFromDeclarator(parentNode, simpleNodeType, simpleDeclarator, isTypedef));
        }
        // endregion
        return !simpleNodeList.isEmpty() ? simpleNodeList : List.of(simpleNodeType);
    } else if (declaration instanceof ICPPASTFunctionDefinition) {
        final ICPPASTFunctionDefinition functionDefinition = (ICPPASTFunctionDefinition) declaration;
        // region Function
        final CppNode functionReturnType = createFromDeclSpecifier(parentNode, functionDefinition.getDeclSpecifier());
        final CppNode functionNode = createFromDeclarator(parentNode, functionReturnType, functionDefinition.getDeclarator(), false);
        final StringBuilder functionBodyBuilder = new StringBuilder(functionNode instanceof FunctionNode ? Objects.requireNonNullElse(((FunctionNode) functionNode).getBody(), "") : "");
        // function with constructor
        for (final ICPPASTConstructorChainInitializer memberChainInitializer : functionDefinition.getMemberInitializers()) {
            final IASTName memberName = memberChainInitializer.getMemberInitializerId();
            createUnknownNode(functionNode, memberName.resolveBinding(), memberName.toString(), true);
            functionBodyBuilder.append(memberName).append('(');
            final IASTInitializer memberInitializer = memberChainInitializer.getInitializer();
            if (memberInitializer != null) {
                childrenCreationQueue.add(Pair.mutableOf(functionNode, memberInitializer));
                functionBodyBuilder.append(memberInitializer.getRawSignature());
            }
            functionBodyBuilder.append(");");
        }
        // function with body
        final IASTStatement functionBody = functionDefinition.getBody();
        if (functionBody != null && functionBody.getChildren().length > 0) {
            childrenCreationQueue.add(Pair.mutableOf(functionNode, functionBody));
            functionBodyBuilder.append(functionBody.getRawSignature());
        }
        if (functionBodyBuilder.length() > 0 && functionNode instanceof FunctionNode) {
            ((FunctionNode) functionNode).setBody(functionBodyBuilder.toString());
        }
        // endregion
        return List.of(functionNode);
    } else if (declaration instanceof ICPPASTTemplateDeclaration) {
        final ICPPASTTemplateDeclaration templateDeclaration = (ICPPASTTemplateDeclaration) declaration;
        // region Template
        final List<CppNode> innerNodeList = createChildrenFromDeclaration(parentNode, templateDeclaration.getDeclaration());
        if (!innerNodeList.isEmpty()) {
            final CppNode innerNode = innerNodeList.get(0);
            for (final ICPPASTTemplateParameter templateParameter : templateDeclaration.getTemplateParameters()) {
                createFromTemplateParameter(innerNode, templateParameter);
            }
        }
        // endregion
        return innerNodeList;
    } else if (declaration instanceof ICPPASTNamespaceAlias) {
        final ICPPASTNamespaceAlias namespaceAlias = (ICPPASTNamespaceAlias) declaration;
        // region Namespace Alias
        final IASTName aliasName = namespaceAlias.getAlias();
        final CppNode aliasNode = createNode(aliasName.resolveBinding(), aliasName, null, new TypedefNode(), parentNode);
        final IASTName mappingName = namespaceAlias.getMappingName();
        createUnknownNode(aliasNode, mappingName.resolveBinding(), mappingName.toString(), true);
        // endregion
        return List.of(aliasNode);
    } else if (declaration instanceof ICPPASTAliasDeclaration) {
        final ICPPASTAliasDeclaration aliasDefinition = (ICPPASTAliasDeclaration) declaration;
        // region Alias
        final IASTName aliasName = aliasDefinition.getAlias();
        final ICPPASTTypeId aliasTypeId = aliasDefinition.getMappingTypeId();
        final IASTDeclSpecifier aliasDeclSpecifier = aliasTypeId.getDeclSpecifier();
        final IASTDeclarator aliasDeclarator = aliasTypeId.getAbstractDeclarator();
        final CppNode aliasNode = createNode(aliasName.resolveBinding(), aliasName, ASTStringUtil.getSignatureString(aliasDeclSpecifier, aliasDeclarator), new TypedefNode(), parentNode);
        final CppNode aliasType = createFromDeclSpecifier(aliasNode, aliasDeclSpecifier);
        createFromDeclarator(aliasNode, aliasType, aliasDeclarator, false);
        // endregion
        return List.of(aliasNode);
    } else {
        // todo: debug?
        throw new IllegalArgumentException("createChildrenFromDeclaration(parentNode = (" + Utilities.objectIdentifyString(parentNode) + "), declaration = (" + Utilities.objectIdentifyString(declaration) + "))");
    }
}