fge/grappa-parsetree-visual

Generate an SVG from a generated parse tree

READ ME FIRST

This package is licensed under ASL 2.0. See the LICENSE file at the root of the project for the full text.

This package requires Java 8 or later.

The current version is 1.0.1.

What this is

This package takes a parse tree as generated by grappa-parsetree and generates an SVG file out of this parse tree.

For this, it first generates a DOT file from the parse tree, then calls Graphviz's dot command to generate the SVG.

Requirements

Apart from a Java 8 JRE, this program also requires that Graphviz be installed on the target machine, and that the dot command is available on your PATH.

Using it

Using gradle:

dependencies {
    compile(group: "com.github.fge", name: "grappa-parser-visual",
        version: "1.0.1");
}

Using maven:

<dependencies>
    <dependency>
        <groupId>com.github.fge</groupId>
        <artifactId>grappa-parser-visual</artifactId>
        <version>1.0.1</version>
    </dependency>
</dependencies>

Example

You can see an example here.

This example uses a simple expression parser (which is in the same directory as the source example), parses the input and generates an SVG file named examples.svg in your temporary directory (typically, /tmp on Unix-like systems).