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feature request: highlight globals [message #835000]

Mon, 02 April 2012 13:05

Eclipse User

One of the most common errors in Lua is to misspell an identifier. If you have

local tests
print(test)

test will refer to a global. The AST contains this information. Many code styles, especially for modules, do not use globals much outside of local foo=foo imports. A visual highlight on test in

print(test)

would help people coding this way.

I don't know much about the DLTK, but Smalltalk has a cheap non-typed typo checker for method selectors. Translated to Lua, an occurrence of foo.testt is likely to be a typo unless somewhere else in the program any

bar.testt=...

exists. That seems harder though.

Re: feature request: highlight globals [message #837425 is a reply to message #835000]

Thu, 05 April 2012 12:46

Eclipse User

Jay,

Semantic highlighting would be a great addition indeed, especially to spot typos more easily as you suggest.
Could you please file a feature request in the bug tracker of the project?

Thanks for the suggestion!

Re: feature request: highlight globals [message #839425 is a reply to message #837425]

Sun, 08 April 2012 13:52

Eclipse User

Benjamin Cabe wrote on Thu, 05 April 2012 18:46

Could you please file a feature request in the bug tracker of the project?

I have just opened bug 376301, and the fix is on its way Smile

.
It will be committed in the github fork, since this is where the AST is in a good enough shape.

Re: feature request: highlight globals [message #840041 is a reply to message #839425]

Mon, 09 April 2012 11:40

Eclipse User

Cool! I'm sorry I didn't get to the tracker--work got crazy.

There are probably a lot of interesting things that can be done once the AST is exposed to the highlight engine. I had no idea how to start. Thanks.

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