This toolkit introduces the capability to investigate and delve in to the syntax trees of Ballerina code and to retrieve the syntax API calls that are required to create a particular piece of Ballerina code. However, this extension only provides additional capabilities to support Ballerina developers. In order to experience language intelligence and other core features, install the Ballerina extension. Checkout the Visual Studio Marketplace for further details.

Before getting started, make sure you have installed the Visual Studio Code editor.

Follow the steps below to install the Ballerina Compiler Toolkit extension.

1. Download and install Ballerina.
2. Install the Ballerina Extension.

Tip: Alternatively, click Ctrl + P or (Cmd + P in macOS) to launch the VS Code Quick Open screen, and enter ext install WSO2.ballerina to install the Ballerina VS Code Extension.

3. Install the Ballerina Compiler Toolkit Extension from the VSCode marketplace.

Tip: Similarly, you can launch the VS Code Quick Open screen, and enter ext install ballerina.ballerinacompilertoolkit to install the Compiler Toolkit Extension.

4. Open a Ballerina .bal file to activate the extension.

The Ballerina Compiler Toolkit includes the capabilities to generate the syntax tree for a given Ballerina source code, using which developers can retrieve a simplified representation of their code blocks for convenient analysis.

• Generate the complete syntax tree of a Ballerina source file
• Generate the subtree of the syntax tree for a particular block of code
• Locate a code segment on the complete syntax tree

Representations

The syntax tree visualizer has two types of representations: graphical and dropdown.

Basic Usage

The command for the full syntax tree retrieval can be found on the Command Palette.

Tip: The command palette can be viewed via Ctrl + Shift + P or (Cmd + Shift + P in macOS).

The sub syntax tree retrieval and locate code options can be found as Code Actions.

Features

The syntax trees rendered through the visualizer have muliple features available in both the graphical and dropdown representations.

* View node details

* Track syntax diagnostics

* Locate the tree node on the text editor

* Switch to full tree mode from sub syntax trees and locate trees

The Ballerina syntax API quoter lists the API calls required to create the syntax tree for a given Ballerina source code. Hence, its capabilities can be leveraged by any developer who uses the Ballerina syntax API to create source code elements.

Basic Usage

The command for the syntax API quoter can be found on the Command Palette as well. Executing this command will copy the list of syntax API calls that are required by the Ballerina source code, to the clipboard.

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