Commit Graph

21 Commits

Author SHA1 Message Date
Alan Donovan 93852cb65b internal/lsp: fix source.CompareDiagnostic asymmetry
In passing I noticed that this three-way comparison
is not (anti)symmetric. Such comparisons should consist
of a list of pairs of tests of this form:

  if x.key1 < y.key1 { return -1 }
  if x.key1 > y.key1 { return +1 }
  ...key2, etc...
  return 0

Also in passing:
- simplify panic-proof debug string function.
- augment doc comment of (*Server).beginFileRequest

Change-Id: Idcd0844ea4e96fc2dee5bbc270f5a200b5c27aa0
Reviewed-on: https://go-review.googlesource.com/c/tools/+/405480
Reviewed-by: Robert Findley <rfindley@google.com>
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2022-05-11 17:43:03 +00:00
Russ Cox 2bbdb7a52e gopls, internal/lsp: gofmt
Gofmt to update doc comments to the new formatting.

(There are so many files in x/tools I am breaking up the
gofmt'ing into multiple CLs.)

For golang/go#51082.

Change-Id: Ife11502fe1e59a04d53dba9edccd3043e57f9ae8
Reviewed-on: https://go-review.googlesource.com/c/tools/+/399358
Run-TryBot: Russ Cox <rsc@golang.org>
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Reviewed-by: Ian Lance Taylor <iant@google.com>
2022-04-12 17:41:31 +00:00
Dan Kortschak 4077921f14 all: fix spelling
Change-Id: I13cf73d7e043dda1a06c28bb09e413a76a68df1f
Reviewed-on: https://go-review.googlesource.com/c/tools/+/391934
Reviewed-by: Ian Lance Taylor <iant@golang.org>
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2022-04-04 19:50:34 +00:00
cuishuang 78ff15e680 tools: fix some typos
Change-Id: Iaad847631b9d5ee40558fcf9d51f4dfa99600e6b
GitHub-Last-Rev: 6fcb64f8d9a093e7bd949e5d28bd1176c27005c0
GitHub-Pull-Request: golang/tools#372
Reviewed-on: https://go-review.googlesource.com/c/tools/+/389595
Run-TryBot: Ian Lance Taylor <iant@golang.org>
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2022-03-24 22:24:35 +00:00
Peter Weinbergr c7b0e9aca6 internal/lsp/template: fix processing of multi-line tokens
Aside from the logic error, the root flaw was inadequate
test coverage.

Fixes golang/go#51731

Change-Id: I50787a951ab742700d9890b4b5232e90189cb8ee
Reviewed-on: https://go-review.googlesource.com/c/tools/+/393634
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2022-03-17 15:18:29 +00:00
pjw fe74b5f080 internal/template: return available semantic tokens even on template error
Fixes golang/go#50801

Change-Id: Ic5c541d6244bd56b90bee204be7c2b2fdfa90264
Reviewed-on: https://go-review.googlesource.com/c/tools/+/381014
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2022-01-26 20:10:56 +00:00
pjw 772a39974b internal/template: return a Source with template diagnostics
Template diagnostics now return Soure 'template' instead of no Source.

Fixes golang/go#50786

Change-Id: Ifd7f26ffcee238b7168667c259c6b0006f8c03e6
Reviewed-on: https://go-review.googlesource.com/c/tools/+/380974
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2022-01-26 16:53:13 +00:00
Robert Findley d34a02b6b5 internal/lsp/template: remove the skipTemplate guard
Having the explicit skipTemplate guard should not be necessary, since
with templateExtensions empty we should not detect any templates that
the user did not ask for. Remove it

For golang/vscode-go#1957

Change-Id: Idbe30bc61f47ed405d98fdb029f44a0841769ad0
Reviewed-on: https://go-review.googlesource.com/c/tools/+/378355
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2022-01-13 20:55:59 +00:00
pjw 04daf88756 templates: fix panic, and stop complaining about empty files
Fixes: golang/go#50430

Change-Id: I7f03c1d3517ddde2a94036dd56f25b6655746c17
Reviewed-on: https://go-review.googlesource.com/c/tools/+/375454
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2022-01-05 19:26:31 +00:00
pjw 68cbf4169f internal/lsp/template: add missed hover cases
Templates were reporting 'oops' when hovering over a string.

Fixes: golang/go#50031

Change-Id: I9e256b1f7d193bf090590c1ec71e85fc8493d7f7
Reviewed-on: https://go-review.googlesource.com/c/tools/+/369956
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2021-12-07 22:04:29 +00:00
pjw a618923903 internal/lsp/template: fix error that causes crashes
When LSP asks for a completion it sends a position, which is the
position of the first character after the cursor. The old code
mistakenly thought it was the position of the last character seen,
and sometimes produced an impossible slice to parse.

The example at line 29 of completion_test.go used to cause a panic.

Fixes: golang/go#49600

Change-Id: I772fe38a1a12d3876ef866819e6a878b297bb92f
Reviewed-on: https://go-review.googlesource.com/c/tools/+/366036
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2021-11-29 15:05:11 +00:00
Peter Weinberger 1e71a25a93 gopls: template suffix flags and documentation
Adds 'templateExtensions' (with default ["tmpl", "gotmpl"]) to control
which files gopls considers template files.

Adds template support documentation to features.md.

Fixes golang/go#36911

Change-Id: If0920912bf3748d1c231b3b29e7a008da186bede
Reviewed-on: https://go-review.googlesource.com/c/tools/+/363360
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2021-11-23 16:39:20 +00:00
pjw fc3ed20887 internal/lsp: enable template processing and add templateFiles option
Move template processing out of experimental and enable it. Users
can set the option 'templateSupport' to false to disable it.
Also, add a new flag 'templateExtensions', defaulting to ['tmpl','gotmpl']
to let the user provide a list of extensions of files
to be considered as template files.

Change-Id: I724387738c1632256999cda304d6cf9fa48ed91d
Reviewed-on: https://go-review.googlesource.com/c/tools/+/362241
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2021-11-10 16:35:53 +00:00
pjw 464a8874ca internal/lsp/templates: replace panic by logging
There were two panics that cannot happen (meaning they are inconsistent
woith my understanding of the documentation). These are being
replaced by logging, as if they happen, they will happen deterministically
again if the user restarts gopls and does the same thing.

Change-Id: Ia405ad2883cedcf3de6cb1376eedb0f9250c61e0
Reviewed-on: https://go-review.googlesource.com/c/tools/+/350110
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2021-09-20 18:36:32 +00:00
pjw 258ee27c37 internal/lsp/template: implement completions for template files
The suggesteds completions are based on a superficial parse of all
the template files in the package. The code errs on the side of too
many suggestions.

Change-Id: If956ad548327be25517878aab70802cf62d42a50
Reviewed-on: https://go-review.googlesource.com/c/tools/+/341649
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2021-09-14 19:06:02 +00:00
pjw 5f5a173a39 internal/lsp/semantic.go: continue even without type information
And add a case that can occur while the user is editing the file.
Fix Parsed.LineCol to get a usable answer for the final newline.

Change-Id: I6367ff52051d72431453525279d99d7eb2180703
Reviewed-on: https://go-review.googlesource.com/c/tools/+/339772
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2021-08-11 15:16:17 +00:00
pjw 594b3a2b64 internal/lsp/template: improve error and quote handling
Template tokenization was handling quoting incorrectly.
(The previous code would misunderstand {{"{{"}}.)

While the user is typing an action in a template file the template
parser was returning a correct but useless error, so gopls had no
information about the file. The new code improves this by tokenizing
and parsing an adjusted version of the file. That is, it can sometimes
tell when the user has started typing an action so the {{, }} delimiters
are unbalanced. It replaces the new {{ by blanks, thereby suppressing
a lot of useless error messages from gopls.

Something like this seems to be a prerequisite for provdiding completions
based on the contents of the rest of the file.

Change-Id: I6b6396a4d9e599d671e778b303e6628642585a90
Reviewed-on: https://go-review.googlesource.com/c/tools/+/337351
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2021-08-03 16:06:16 +00:00
Rebecca Stambler 4e58f8f09d internal/lsp: handle out of range panic in template parsing
Fixes golang/vscode-go#1548

Change-Id: I95911a417cecc514151e75a60253ef119803885e
Reviewed-on: https://go-review.googlesource.com/c/tools/+/326089
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2021-06-08 16:06:52 +00:00
Rebecca Stambler 4abb1e2f28 internal/lsp: handle empty buffers in template parsing
Fixes golang/vscode-go#1540

Change-Id: I64514915d555bf0c0ff791b213bb834e9e99a0af
Reviewed-on: https://go-review.googlesource.com/c/tools/+/324758
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2021-06-03 16:41:39 +00:00
pjw 8f301ca0d3 internal/lsp: more careful error handling for semantic tokens
The implementation now returns fewer errors to the client. The LSP
specification restricts errors to 'exceptions', so gopls no longer
returns errors if parsing or typechecking fails.

Also, some internal routines that always returned nil errors no longer
return errors at all. The logging for the errors that //line directives
induce was too verbose, and has been turned off. (Many LSP requests
will fail if there are //line directives.)

Fixes golang/go#46176

Change-Id: I18b2cb164b55174f4edbc31e1376da7a8c505a1b
Reviewed-on: https://go-review.googlesource.com/c/tools/+/319249
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2021-05-17 17:18:20 +00:00
Peter Weinbergr 7cab0ef2e9 internal/lsp: support template files
Provide some support for template files, implementing most of
https://docs.google.com/document/d/1clKAywucZVBXvL_v4mMhLQXso59lmQPMk1gtSpkV-Xw

Template support is controlled by the option 'experimentalTemplateSupport'
which defaults to false.

Most of the code is in a new 'template' package. Implemented are
semantic tokens, diagnostics, definitions, hover, and references,
and there is a stub for completions.

This code treats all the template files of a package together, so as
to follow cross-references.

Change-Id: I793606d8a0c9e96a0c015162d68f56b5d8599294
Reviewed-on: https://go-review.googlesource.com/c/tools/+/297871
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2021-05-05 01:45:45 +00:00