CL 425716 changes parser behavior for incorrect code (it is more
lenient) which breaks a few lsp tests. Disable them for now so we
can submit CL 425716.
For golang/go#54511.
For golang/go#54822.
Change-Id: I00fa67e29628137f3e4e44c38e92094ea581a61b
Reviewed-on: https://go-review.googlesource.com/c/tools/+/427654
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Add functions to the output when hovering over a type.
Fixesgolang/go#54008
Change-Id: Ia0a7b5a878c3d63c4bbc549f003c45592db1c135
Reviewed-on: https://go-review.googlesource.com/c/tools/+/420714
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This change prevents analysis from running on a package containing
any kind of error unless the analyzer has indicated that it is robust.
This is presumed to be the cause of several panics in production.
And a test.
Updates golang/go#54762
Change-Id: I9327e18ef8d7773c943ea45fc786991188358131
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This is a follow-up on CL 425497. Must be submitted after CL 425007.
For golang/go#54511.
Change-Id: Ice9c1c62b911efa8efa20ea295bf313aabe8c5bb
Reviewed-on: https://go-review.googlesource.com/c/tools/+/425594
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While moving internal/lsp to gopls/internal/lsp, we discovered that
we're bumping up against a command line length limit on windows. Use an
arbitrary shorter module path to avoid this, for now.
Updates golang/go#54800
Updates golang/go#54509
Change-Id: I7be07da29a769c1ce7c31cbbd374ca47b0944132
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Run reset_golden.sh, so that our golden files are stable. This will be
useful later, when we migrate internal/lsp to gopls/internal/lsp, and
golden files must be updated to account for changing offsets.
For golang/go#54509
Change-Id: I2e9a8d3493d64d632b9f0f0e0360d633803f9d92
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The diagnostics emitted by the Go toolchain vary from one
release to the next, and the gopls tests run against multiple
versions. Therefore our tests need a way to express multiple
possibilities in their expectations. This change interprets
the patterns in @diag test annotations as regular expressions,
allowing some flexibility in recognizing both old and new
messages. It's not a panacea but it is one step to reducing
the considerable friction of making changes to the compiler
or go/types in the main tree.
Details:
- Factor the three implementations of the Tests.Diagnostics
abstract method so that they all use DiffDiagnostics
to report differences, substantially rewriting one of them.
- Move the "no_diagnostics" hack, of which there were three
copies, not all consistent, into DiffDiagnostics.
- Eliminate the named type for each tests.Data field;
a type alias is all that's needed.
- Add Diagnostics.String method.
- Add various TODOs for further improvements.
- Add various apparently missing Fatal statements within
the tests.
Change-Id: Id38ad72a851b551dd4eb1d8c021bcb8adbb2213f
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This will allow us to submit CL 425007 after which we can re-enable
this code and adjust the error accordingly.
For golang/go#54511.
Change-Id: I2861a8f372bce214824d7cbdffad6abf7ca4a58e
Reviewed-on: https://go-review.googlesource.com/c/tools/+/425497
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Go 1.19 introduced new formatting for doc comments, and a new package
for processing them. This change uses the new package when gopls is
compiled with go 1.19 or later.
The difficulty is with the hover tests, which have to work both when
gopls is compiled with earlier versions of go, and with go 1.19.
Fortunately the changes in formatting the test cases are easily checked.
Fixesgolang/go#54260
Change-Id: I9e8e7f0cf3392afa0865b5d3f4e5fcdd88dfe75f
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This query parameter is not needed.
Change-Id: Id45d7be0b1cbe5d383bcc6768ef20df26de3e7b3
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A debugging print statement was left in the analyzer, which breaks
gopls' communication over stdin/stdout.
Fix this, and add tests.
Fixesgolang/vscode-go#2406
Change-Id: I1b785fa09e66eae2f1b1e03806e5b59d2015e75e
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Suppress the parameter hint when it would present redundant
information.
Fixesgolang/go#2361
Change-Id: I4340a903046f212f8a035eab847da665e2692f1a
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This enables some fill struct code actions for instances of structs with
type parameters.
This additionally adds a filtering mechanism to the suggested fixes in
order to account for multiple suggested fixes in the same location.
Change-Id: I98866b462b026f4c5a4897bc278f704381623f25
Reviewed-on: https://go-review.googlesource.com/c/tools/+/418415
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In Go 1.18 types.AssignableTo() started reporting that an invalid type
is assignable to any interface. *types.PkgName (i.e. an import at the
top of the file) has an invalid type for its Type(), so we started
thinking all in scope imports were great candidates when the expected
type was an interface.
Fix by wrapping the AssignableTo (and AssertableTo) to explicitly
return false if either operand is invalid.
Updates golang/go#53595
Change-Id: Ie5a84b7f410ff5c73c6b7870e052bafaf3e21e99
Reviewed-on: https://go-review.googlesource.com/c/tools/+/415595
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This will show inferred type information for generic function
call expressions.
Example:
SumNumbers<[string, int64]>(ints)
For golang/go#52343
Change-Id: I05595f236626e8fb3666af5160611e074e8265a4
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Add inlay hints for composite literal types. This will show type
information for composite literals with no explicit types.
Example:
<struct {in, want string}>{"hello", "goodbye"}
For golang/go#52343
Change-Id: Ia1f03b82669387c864353b8033940759fa1128e7
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The change to implement inlay hints has been merged, so we need to
enable the tests.
Change-Id: I47e7ab343d0ab10283caac0a3d6677dd69c7504a
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The marker tests are updated to include padding values
when mapping inlay hints to text edits.
Change-Id: Ieb421088238c65b07abdad12763816d3d1e757c8
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This change implements support for textDocument/inlayHint and
adds inlay hints for parameter names.
For golang/go#52343.
For golang/vscode-go#1631.
Change-Id: I3f989838b86cef4fd2b4076cb6340010fff7c24c
Reviewed-on: https://go-review.googlesource.com/c/tools/+/411094
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Set up the tests for inlay hints. We test inlay hints by converting them to text edits
and verifying the output is as we expected it.
This change does not yet deal with making sure the server
settings are correct.
Change-Id: I136f971a87bf9936fd44047d45fe0a3f03c9164e
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This change makes it so that the stub methods analysis can recognize
errors happening to method and function call expressions that are being
passed a concrete type to an interface parameter. This way, a method stub CodeAction will appear at the call site.
Updates golang/go#37537
Change-Id: I886d53f06a85b9e5160d882aa742bb2b7fcea139
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Provide a default value for unsafe.Pointer in fillstruct.
Fixesgolang/go#52640
Change-Id: I10a1878fbf53b082f83f44e0ba2788ead14439d6
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Give placeholders for type params in func literal completions. For
example:
func foo[T any](func(T) T) {}
foo(<>)
Will now give "func(<T>) <T> {}" where <> denotes a placeholder.
Change-Id: Iadde73ed6b88e1410c28dfa33a20ab6a51235c93
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In cases like:
type foo[T any] struct{}
func bar[T any](foo[T]) {}
bar[int](<A>)
bar(<B>)
At <A> we will now offer "foo[int]{}". At <B> we will now offer a
snippet "foo[<T>]{}" which lets the user fill in the type arg.
Note that we have no knowledge of type inference, so you can be left
with superfluous type args after completion.
Change-Id: Ia7d63284f3317d9367864fdae3e3f9ae68fdff1a
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In cases like:
func foo[T int | string](T) {}
foo[int](<>)
Previously at <> we would favor int and string candidates. This is
because go/types doesn't instantiate foo in this case (for some
reason). Work around the issue by using types.CheckExpr to re-check
the *ast.CallExpr.Fun. CheckExpr seems to do a better than a full type
check in the face of errors.
Updates golang/go#52291
Updates golang/go#52503
Change-Id: Ide436428f3232db2e06ea3cc22ea250edbf28685
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In cases like:
func foo[A int|string](a A) {}
foo[_](<>)
We now prefer ints and strings at <> by matching against the type
constraint. Note that even if "_" is replaced with "int", we still
prefer strings since the type checker doesn't seem to want to
instantiate foo unless the params check out.
Change-Id: I0e7acfef0775752a96fcfe23e7e2e3d939820eee
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Fixes: golang.org/#52024
Change-Id: Ib79a839f9bdeaef1250925add69dea3ae32e1cae
Reviewed-on: https://go-review.googlesource.com/c/tools/+/397479
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Trust: Hyang-Ah Hana Kim <hyangah@gmail.com>
Trust: Peter Weinberger <pjw@google.com>
We do a lot of gymnastics to format var types, working around the lack
of alias tracking in go/types. As part of this, we clone and qualify
expressions. In this case, we were not qualifying identifiers that were
contained within fields or field lists.
Fix this by updating our expression traversal to include *ast.Field and
*ast.FieldList.
Fixesgolang/go#50539
Change-Id: I6531c6a51aa402bd784778b8bedaa3dccee75af0
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Change-Id: Iaad847631b9d5ee40558fcf9d51f4dfa99600e6b
GitHub-Last-Rev: 6fcb64f8d9a093e7bd949e5d28bd1176c27005c0
GitHub-Pull-Request: golang/tools#372
Reviewed-on: https://go-review.googlesource.com/c/tools/+/389595
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Make builtin hover consistent with signatureHelp by reusing the
BuiltinSignature function. To simplify this, just precompute the builtin
signature. In later CLs we can pre-compute all signatures and eliminate
the signatureSource indirection.
Fixesgolang/go#51811
Change-Id: I1babe64ba41f636bf455074a23ad6dac5539fb89
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For example:
func foo[A int | float64](a A) A { return a }
var _ int = fo<>
Previously at <> we would complete to "int(foo[A int|float64](a A))".
We added the int() type conversion because the returned type param A
was convertible to the expected "int" (i.e. both "int" and "float64"
can be converted). This is a premature suggestion, though, so fix by
suppressing such type conversions for type parameters.
Fixesgolang/go#51780.
Change-Id: I63e3bd401a4d9927b9261659812c521c02e33d94
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In this example:
func foo[A []int | []float64]() {}
foo[<>]
When completing at <> you were getting the creative candidate
"[]int | []float64". This came from some code that makes the expected
type available as a candidate if it wouldn't otherwise be found by a
lexical search. I tweaked the code in this case to instead look at
each structural type in the type constraint rather than the constraint
as a whole. In the above example you now get the candidates "[]int"
and "[]float64".
Change-Id: Ib8e422df3009cb4253ec66005b4a53851564c4e1
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Now when instantiating a generic function, we prefer type names that
are assignable to the corresponding constraint. For example:
func foo[A int|string]() {}
foo[<>]()
At <> we prefer the type names "int" and "string". Previously we had
no preference at all.
Updates golang/go#51782.
Change-Id: I7ed39ffa2bc4c63e9d320f47a58e139251712bb3
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With generics, instantiated object may have differing pointer
identities. Fix references/rename requests for instantiated
methods/fields by using a canonical object identity of (pos, pkg, name).
Fixesgolang/go#51672
Change-Id: I0021ca562b8a74dadb616cf6864cb0bdd0165cc3
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This CL adds support for generating method stubs for named types
that have type parameters and want to implement an interface.
See internal/lsp/testdata/stub/stub_generic_receiver.go for an example.
Note, this CL does not yet support type params on interface declarations.
Updates golang/go#37537
Change-Id: I2a2a18d364b2b489e2fbd8a74dfed88ae32d83b5
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Use the type name object as the signature source for type parametes, as
it it efficiently formatted as "type parameter <name> <constraint>".
Fixesgolang/go#51116
Change-Id: I3042ff248402dae833e3197c6ac320c2bd103c07
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We should not offer links to variable or type declarations in function
scope. Improve our heuristics to check that the declaration object is
actually reachable from the package scope.
Also push down handling of private import paths, so that the
HoverJSON.importPath field can be removed.
Change-Id: I6edb3be3c37f479667c838beb49f97e7167b47a1
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Hover on type specs was using the RHS of the type declaration and then
later rebuilding the declaration syntax. It was thereby dropping type
parameter lists.
Fix this by capturing the entire *TypeSpec for the signature, and
simply dropping comments from the node before formatting, so that they
are not duplicated.
Change-Id: I58724e65bd1f2aada1a5c04e4c61a059bed8357a
Reviewed-on: https://go-review.googlesource.com/c/tools/+/385015
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This CL adds a quickfix CodeAction that detects "missing method"
compiler errors and suggests adding method stubs to the concrete
type that would implement the interface. There are many ways that
a user might indicate a concrete type is meant to be used as an interface.
This PR detects two types of those errors: variable declaration and function returns.
For variable declarations, things like the following should be detected:
1. var _ SomeInterface = SomeType{}
2. var _ = SomeInterface(SomeType{})
3. var _ SomeInterface = (*SomeType)(nil)
For function returns, the following example is the primary detection:
func newIface() SomeInterface {
return &SomeType{}
}
More detections can be added in the future of course.
Fixesgolang/go#37537
Change-Id: Ibb7784622184c9885eff2ccc786767682876b4d3
Reviewed-on: https://go-review.googlesource.com/c/tools/+/274372
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This change adds support for full documentation of builtin types in the
hover info, consisting of the type declaration, a link to pkg.go.dev,
and the text of the doc comments in the `builtin` pseudo-package.
Full documentation for builtin functions was already supported.
Removes the special case for the `error` interface, which is not needed
and didn't provide the full documentation anyway, only the type
declaration.
The code has to determine the parent ast.GenDecl (which holds the doc
comments) for the ast.TypeSpec of a builtin type.
Fixesgolang/go#50196
Change-Id: I51a054cd7e864300ba2e51152311744b7bcf3e0c
Reviewed-on: https://go-review.googlesource.com/c/tools/+/383614
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This change adds a list of conventional acronyms that are used for function
completion. For example, "err" for "error" and "tx" for "sql.Tx" or "sqlx.Tx".
Fixesgolang/go#48260
Change-Id: Iff951ee58c0c95389d474cc45dfd84b483ff71e3
GitHub-Last-Rev: 05ccd5a2fe95e2e0504d28230308c4888477a977
GitHub-Pull-Request: golang/tools#363
Reviewed-on: https://go-review.googlesource.com/c/tools/+/381969
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This change makes source.FormatVarType return the instantiated type
parameter instead of the actual AST expression because that will just
refer to the abstract type parameter and not the insantiated one.
I am not sure if this covers all edge cases or if there's a better
solution but I'm happy to adjust to whatever is appropriate.
Fixesgolang/go#50623
Change-Id: I6e0b2d93c47c9a0502f2995ca8d3668a9a31c056
Reviewed-on: https://go-review.googlesource.com/c/tools/+/378714
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Robert Griesemer
Brian Pursley
Robert Findley
Alan Donovan
pjw
Hana (Hyang-Ah) Kim
Suzy Mueller
Muir Manders
Jamal Carvalho
Marwan Sulaiman
cuishuang
fzipp
Shoshin Nikita