Lexer's _input property is not exported in types

[antoniom]

My grammar uses a semantic predicate

TEXT: ('{' { String.fromCharCode(this._input.LA(1)) !== "{" }? | ~[{] )+ ;

Moving from antlr4's "native" Javascript runtime to antlr4ng Typescript runtime I noticed that the generated Lexer is complaining because this._input does not exist.

By looking at Lexer.d.ts I figured out that the property is not included, was this intentional?

Moreover, I have noticed that _input is also stored in a _tokenFactorySourcePair tuple. Can i use _tokenFactorySourcePair[1] to obtain my _input ?

[mike-lischke]

I'm in the process of renaming certain properties to their canonical TypeScript form. Particularly those with a leading (and sometimes trailing) underscore strike me odd every time I see them. antlr4ts also contains a few renames, but does not go the full way.

What I renamed so far are:

• _input became inputStream
• _errHandler became errorHandler
• _interp became interpreter

[antoniom]

Didn't notice inputStream, thanks!

[br0nstein]

@mike-lischke It seems like Lexer is missing _mode (and other fields that should be public per ANTLR4 java docs)

[mike-lischke]

Right, many things are missing. I'm on the way to fix all that (see the effort in the ts-migration branch). Haven't come to Lexer yet, though.