Whether you are using the CLI or the API, as long as you pass the `trace` option, the generated parser can trace it's progress by calling `tracer.trace( event )`, which can then be overwritten by passing an alternative tracer in the options to the generated parser.
Whether you are using the CLI or the API, as long as you pass the `trace` option, the generated parser can trace it's progress by calling `tracer.trace( event )`, which can then be overwritten by passing an alternative tracer in the options to the generated parser.
You can also optionally disable the default tracer by passing `features: { DefaultTracer: false }` to `peg.generate` or `peg.compiler.compile`, in which case a empry function will be called by default unless a tracer is passed to the parser.
You can also optionally disable the default tracer by passing `features: { DefaultTracer: false }` to `peg.generate` or `peg.compiler.compile`, in which case a empty function will be called by default unless a tracer is passed to the parser.
The `event` passed to the `trace` method contains the following properties:
The `event` passed to the `trace` method contains the following properties:
Futago-za Ryuu
6 years ago