The source package now exposes an Identifier method that returns information
about an identifier, which can be used to implement Definition, TypeDefinition
and Hover, as well as other command line functions in a later cl.
Change-Id: I03629c2c940215b4e2c86ee45bee8a18b79ee0e1
Reviewed-on: https://go-review.googlesource.com/c/159337
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
The previous change (https://go-review.googlesource.com/c/tools/+/157678) only stopped completion in comments in global scope. This change prevents completions results from being sent for comments inside of functions.
Fixesgolang/go#29370
Change-Id: I2b43ae2942c6ce7376d2a5f88c40e6ac45c2b773
GitHub-Last-Rev: bc4aac1370aa5758941cdfae63290f061a55e204
GitHub-Pull-Request: golang/tools#71
Reviewed-on: https://go-review.googlesource.com/c/158538
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Jumping to the definition of a builtin function or basic kind would
cause a nil pointer because these have no position.
Change-Id: I043a61a148757b127ff1123c8429ce23858bd13a
Reviewed-on: https://go-review.googlesource.com/c/157597
Reviewed-by: Ian Cottrell <iancottrell@google.com>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
This change allows golsp to be run on a port, with an intermediary
command passing the data through. This allows for improved logging.
Also, add necessary changes to VSCode integration to allow changing the
name of the command for golsp.
Change-Id: I20dca1a50296636e57e022342ee70f0610ad1531
Reviewed-on: https://go-review.googlesource.com/c/157497
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
LocationLink was added in 3.14.0 of lsp.
Change-Id: I388dba5ab43b195cc3965e4199b49155094a2627
Reviewed-on: https://go-review.googlesource.com/c/156617
Reviewed-by: Ian Cottrell <iancottrell@google.com>
Refactor code as a follow-up to
https://go-review.googlesource.com/c/tools/+/154742.
Also, change every instance of "source.URI()" to "fromProtocolURI", so
that we can add a better implementation of that later on (for Windows
support).
Change-Id: Ifa24ffd7e1aebf1f7d05df6f65742769ead0922f
Reviewed-on: https://go-review.googlesource.com/c/154741
Reviewed-by: Ian Cottrell <iancottrell@google.com>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
It should say "textDocument/foldingRange" even though everyone names
the associated function FoldingRanges.
Change-Id: I79c8449a689dc8c80f745c875d9ec9892d926e9c
Reviewed-on: https://go-review.googlesource.com/c/155578
Reviewed-by: Ian Cottrell <iancottrell@google.com>
Language servers provided by Microsoft seem to use Date.Now()
for calculating elapsed times. In javascript and typescript Date.Now()
reports milliseconds.
Change-Id: Ic12fc4a1d31f2548d8808b8b22aba80c44f000c3
Reviewed-on: https://go-review.googlesource.com/c/155018
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Added a View interface to the source package, which allows for reading
of other files (in the same package or in other packages). We were
already reading files in jump to definition (to handle the lack of
column information in export data), but now we can also read files in
diagnostics, which allows us to determine the end of an identifier so
that we can report ranges in diagnostic messages.
Updates golang/go#29150
Change-Id: I7958d860dea8f41f2df88a467b5e2946bba4d1c5
Reviewed-on: https://go-review.googlesource.com/c/154742
Reviewed-by: Ian Cottrell <iancottrell@google.com>
New tests include cases for anonymous structs, composite literals,
ranking of results in binary expressions, and import cycles.
Change-Id: Ic02e84e09101bb9873fc1705bba2594d655bb45b
Reviewed-on: https://go-review.googlesource.com/c/153443
Reviewed-by: Ian Cottrell <iancottrell@google.com>
This switched the golsp binary to support a sub-command model so it can grow
some guru like command line query capabilites
Change-Id: I1a7a49bb17701e62004bba636d6bee9de2481ffd
Reviewed-on: https://go-review.googlesource.com/c/154559
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
This change adds support for goimports as a code action that can be run
on save. However, there do appear to be issues with the propagation of
the context.Only field of the CodeActionParams, so we treat every
codeAction as an organizeImports action - this should be fixed in the
next vscode-languageclient release
(https://github.com/Microsoft/vscode-languageserver-node/issues/442).
Change-Id: I64ca0034c393762248fde6521aba86ed9d41bf70
Reviewed-on: https://go-review.googlesource.com/c/154338
Reviewed-by: Ian Cottrell <iancottrell@google.com>
Create helper functions for the exported URI functions to test
the logic that isn't OS-specific (filepath.{To,From}Slash is the OS-specific part).
Also add helpers to determine is a file or URI path is Windows-specific.
Change-Id: I6ba5119424ad5edcd59b946276e4268b2525505f
Reviewed-on: https://go-review.googlesource.com/c/153867
Reviewed-by: Ian Cottrell <iancottrell@google.com>
URI should be started with file:/// always.
Change-Id: I123e577d421de3e85dfec00596fbdb63c2231938
Reviewed-on: https://go-review.googlesource.com/c/153618
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
A few minor fixes: check that the insert text has the expected prefix
before removing it, use a bytes.Buffer to build up snippets, and check
that functions have parentheses in their insert text before trimming
them.
Change-Id: Iaeaf6fda25d6b0a375460b975188486685be1061
Reviewed-on: https://go-review.googlesource.com/c/152978
Reviewed-by: Ingo Oeser <nightlyone@googlemail.com>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
This change separates a cache package out of the
golang.org/x/tools/internal/lsp/source package. The source package now
uses an interface instead a File struct, which will allow it be reused
more easily. The cache package contains the View and File structs now.
Change-Id: Ia2114e9dafc5214c8b21bceba3adae1c36b9799d
Reviewed-on: https://go-review.googlesource.com/c/152798
Reviewed-by: Ian Cottrell <iancottrell@google.com>
This change adds a very simple implementation of hovering. It doesn't
show any documentation, just the object string for the given object.
Also, this change sets the prefix for composite literals, making sure we
don't insert duplicate text.
Change-Id: Ib706ec821a9e459a6c61c10f5dd28d1798944fa3
Reviewed-on: https://go-review.googlesource.com/c/152599
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
The LSP specification doesn't have a Score field, so we must provide
sortText to the protocol in order to maintain the correct order.
Change-Id: I075849f520c21a0465dfb2060c598d8bae5f876b
Reviewed-on: https://go-review.googlesource.com/c/151237
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
Also, trigger signature help on completion of a function (the "(" as a
trigger character doesn't work if it's part of a completion).
Change-Id: I952cb875fa72a741d7952178f85e20f9efa3ebff
Reviewed-on: https://go-review.googlesource.com/c/150638
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
If signature help is enabled, we should not offer parameter suggestions.
If signature help is not enabled, the user should be able to tab
through parameter completions.
Change-Id: I10990ef4aefb306ddbf51ed14cc1110065eba655
Reviewed-on: https://go-review.googlesource.com/c/150637
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
If a file ends with an empty newline, go/token treats the newline as the
final character of the previous line. VSCode, however, treats this as a
final line with no characters. We handle this by determining if the file
we are formatting ends with a newline character and updating the
protocol ranges accordingly.
Change-Id: Id8be0fd776ae65c8f0f937f3e718825e407cb217
Reviewed-on: https://go-review.googlesource.com/c/150338
Reviewed-by: Ian Cottrell <iancottrell@google.com>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This makes our internal version of go to definition be tested with the
same test data that godef now uses
Change-Id: I04e488b6b9b2d891181f202ea1125b823a079c50
Reviewed-on: https://go-review.googlesource.com/c/150045
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
It is impossible to reconstruct a line and column correctly from export data, so
we have to attempt to find open and process the file in order to guess what the
original pos was when we have one that originated in export data.
This occurs in any time in go to definition when the target is not in the same
pacakge as the source.
Change-Id: Ib2ee404d4f1c39d8bd7f1fbc2096d8d6cbeed6f8
Reviewed-on: https://go-review.googlesource.com/c/150044
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
This makes it possible to run just one type of test if needed
Also add some verification that the right number of tests is being run
And finally collect all the expectations up front, including the completions.
Change-Id: Iee6045a8ad89fa399fefd03bc0712770701ec6f8
Reviewed-on: https://go-review.googlesource.com/c/149737
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Also improve the error messages from a failing diagnostic tests so you can read
them.
Change-Id: I3554ce5a029de22a55a9636ed26ba02d95fc3246
Reviewed-on: https://go-review.googlesource.com/c/150042
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
These are intended only for debug printing and error messages for the most
common protocol types that you need to know the contents of.
Change-Id: I1f0f7b17b4b12c3b26096b46808bce37c3722ced
Reviewed-on: https://go-review.googlesource.com/c/150037
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
The go/format.Node function fails silently on malformed ASTs, even
though it writes out an invalid tree containing the strings "BadExpr"
and "BadStmt". We fix this by checking for *ast.Bad{Expr,Decl,Stmt}
before running the function. Ultimately, this should be fixed upstream
and just return an error from format.Node.
Change-Id: I2ba25551f0e97c0321d8e757de67360af44044d7
Reviewed-on: https://go-review.googlesource.com/c/149613
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
This change allows it to jump to the type if you are directly on the
embedded field when you trigger go to definition.
Change-Id: I48825a5a683e69c0714978c76b1d188d40b38c5d
Reviewed-on: https://go-review.googlesource.com/c/149615
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
This walks the list produced by the MustCopyFileTree call instead of
scanning the file system
It also removes the .in file from the copies, so only the trimmed
version will be present in the exported data set.
Change-Id: I95b0298ab49021a09f6b26e08158ce162b5a99e6
Reviewed-on: https://go-review.googlesource.com/c/149614
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
This happens whenever we load standard library information from export
data, and prevents the editor from understanding the file names
Change-Id: If5c04176a3e669ba396f322275993616e51ec097
Reviewed-on: https://go-review.googlesource.com/c/149612
Run-TryBot: Ian Cottrell <iancottrell@google.com>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
We use the custom marker support to allow us to simplify the
annotations, making it much easier to understand the tests.
Change-Id: Id818a286e4e85f48cfe505f14ec82a80498e494c
Reviewed-on: https://go-review.googlesource.com/c/149611
Run-TryBot: Ian Cottrell <iancottrell@google.com>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Delivering each message in a go routine turned out to be problematic, there are some messages
that must be fully processed before later messages are started, and there was no way to guarantee that.
We now push concurrence handling up to the higher level, this has the disadvantage of not being able to guarantee
we respond to call messages correctly, but its a small price to pay.
The LSP currently processes each message fully in order blocking the handler, while we still work on basic
functionality.
Change-Id: If0648c77713ddbe4fed69da97a57696f433b8002
Reviewed-on: https://go-review.googlesource.com/c/149497
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Add SignatureHelp functionality to source package. Tests will be added
in a subsequent change.
Change-Id: Ia43280946d96a984c5741273a00c12255d637b2a
Reviewed-on: https://go-review.googlesource.com/c/149177
Reviewed-by: Ian Cottrell <iancottrell@google.com>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
x/tools only supports Go 1.10 and Go 1.11, but it's such a simple fix to
support 1.9, so change from strings.Builder to bytes.Buffer.
Change-Id: Ie37d6c7da7ce7dbbd4e9ec933e1eff3304142a59
Reviewed-on: https://go-review.googlesource.com/c/149178
Reviewed-by: Ian Cottrell <iancottrell@google.com>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This makes the format code use the AST that is already cached on the file to do
the formatting. It also moves the core format code into the source directory.
Change-Id: Iaa79169708e92525cce326ea094ab98144fe1011
Reviewed-on: https://go-review.googlesource.com/c/148198
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Use the packagestest framework to test completion. Add support for a
slice of token.Position to packagestest to support this.
Change-Id: Ie5ddece4446a3c74419727461a77faa3788cb040
Reviewed-on: https://go-review.googlesource.com/c/148197
Reviewed-by: Ian Cottrell <iancottrell@google.com>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
The completion function belongs in internal/lsp/source, so move it
there. Some small refactoring of completion, by moving each type of
completion into helper functions that append to the list of results.
Change-Id: I8599092906609591d499183657fe2d21d1f74df1
Reviewed-on: https://go-review.googlesource.com/c/148397
Reviewed-by: Ian Cottrell <iancottrell@google.com>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
