The executable for the Alex linter is currently hard-coded as 'alex',
which is an issue given the fact that it conflicts with the Haskell
lexer generator, whose executable is also called 'alex', has been around
a dozen years before the linter, and is packaged in the official
repositories of the major Linux distributions.
This commit adds options to use a local executable for the alex linter
(which is a node package), and an option to set a custom executable.
As side changes:
* The pattern in the alex handler is made more readable by turnig it
into a very-magic regex.
* Alex handles plain text, markdown, and HTML. Specific flags for HTML
and markdown are provided when instantiating the linters for the
respective filetypes, while before those formats were treated as plain
text.
* Extended statusline.vim to provide an efficient way to access the first errors,warnings,stylerrors,stylewarnings,etc from the loclist.
* Added documentation and help for the new API function.
Currently, we detect the linter root based on a variety of techniques.
However, these techniques are not foolproof. For example, clangd works
fine for many things without a compile_commands.json file, and Go
projects may be built outside of the GOPATH to take advantage of Go
1.11's automatic module support.
Add global and buffer-specific variables to allow the user to specify
the root, either as a string or a funcref. Make the funcrefs accept the
buffer number as an argument to make sure that they can function easily
in an asynchronous environment.
We define the global variable in the main plugin, since the LSP linter
code is not loaded unless required, and we want the variable to be able
to be read correctly by :ALEInfo regardless.
* Mimic Prettier's default parser by setting it to `babylon`
* Add tests to check default Prettier `parser`
* Set Prettier default parser based on version
* Update the comment to explain the reason for an explicit default
* Add textDocument/typeDefinition for LSP
Doc to spec https://microsoft.github.io/language-server-protocol/specification#textDocument_typeDefinition
This works like textDocument/definition but resolves a location of a
type of an expression under the cursor.
I'm not sure what to do with tsserver though.
* Fix passing column to LSP
* test_go_to_definition: wording
* Add tests for textDocument/typeDefinition
* Add docs for textDocument/typeDefinition
From LSP spec:
> A range in a text document expressed as (zero-based) start and end
> positions. A range is comparable to a selection in an editor. Therefore
> the end position is exclusive.
When using a compilation database (compile_commands.json) in very large
projects, significant delays would occur when changing files --
particularly those that happened to be far down the db. Rather than
iterating over the whole list every time, we now build up a lookup table
based on the tail of the filename (and tail of the directory for
widening searches) and iterate over the much smaller list of compile
commands for files with the given name.
Test metrics (from compile_database_perf/test.sh) show a 90% performance
improvement -- from 25 seconds to 2.5 seconds per run.
Split by space instead of dash.
This prevents incorrect parsing where space-separated arguments are
merged (in particular, .c or .o files were appended to -I or -D
arguments).
Handle shell escape: quotes and escaped quotes \" and shell
substitutions are recognised. This is done by verifying that no special
character (" ' ` ()) has not a matching character.
Fixes#2049
