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Commit Graph

5 Commits

Author SHA1 Message Date
Muir Manders
49797d04a8 internal/lsp/source: improve completion in type assertions
In cases like:

var foo *someType = bar.(some<>)

We will now complete "some" to "*someType". This involved two changes:

1. Properly detect expected type as *someType in above example. To do
   this I just removed *ast.TypeAssertExpr from
   breaksExpectedTypeInference() so we continue searching up the AST for
   the expected type.

2. If the given type name T doesn't match, also try *T. If *T does
   match, we mark the candidate as "makePointer=true" so we know to
   prepend the "*" when formatting the candidate.

Change-Id: I05859c68082a798141755b614673a1483d864e3e
Reviewed-on: https://go-review.googlesource.com/c/tools/+/212717
Run-TryBot: Muir Manders <muir@mnd.rs>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2020-01-16 01:06:23 +00:00
Rebecca Stambler
719fbf7c21 internal/lsp: move function signature into detail instead of label
Fixes golang/go#32414

Change-Id: If08e655d7a0e29b0865c13d8377e98be01cf24c5
Reviewed-on: https://go-review.googlesource.com/c/tools/+/184777
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-07-03 21:07:46 +00:00
Muir Manders
e5f21acdc3 internal/lsp: handle more expected type cases
Calculate expected type in the following cases:

- switch case statements
- index expressions (e.g. []int{}[<>] or map[string]int{}[<>])
- slice expressions (e.g. []int{}[1:<>])
- channel send statements
- channel receive expression

We now also prefer type names in type switch clauses and type asserts.

Change-Id: Iff8c317a9116868b36701d931c802d9147f962d8
GitHub-Last-Rev: e039a45aebe1c6aa9b2011cad67ddaa5e4ed4d77
GitHub-Pull-Request: golang/tools#97
Reviewed-on: https://go-review.googlesource.com/c/tools/+/176941
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-05-16 16:26:11 +00:00
Muir Manders
775b7fe395 internal/lsp: improve expected type determination
Improve expected type determination for the following cases:

- search back further through ast path to handle cases where the
  position's node is more than two nodes from the ancestor node with
  type information
- generate expected type for return statements
- wrap and unwrap pointerness from expected type when position is
  preceded by "*" (dereference) or "&" (reference) operators,
  respectively
- fix some false positive expected types when completing the "Fun"
  (left) side of a CallExpr

Change-Id: I907ee3e405bd8420031a7b03329de5df1c3493b9
GitHub-Last-Rev: 20a0ac9bf2b5350494c6738f5960676cc50fb454
GitHub-Pull-Request: golang/tools#93
Reviewed-on: https://go-review.googlesource.com/c/tools/+/174477
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-05-10 20:11:04 +00:00
Andzej Maciusovic
7414d4c1f7 internal/lsp: rank types higher when completing in return of a function
Completion now ranks type names higher for func receiver, type params and type results (e.g. func (<>) foo(<>) (<>) {}).

Fixes golang/go#29152

Change-Id: Icdd18b1b344c1cd617a4f45a7b071e53c1345478
GitHub-Last-Rev: e6acb1f2d2a7e571ffcecc500e407fdefd118fed
GitHub-Pull-Request: golang/tools#73
Reviewed-on: https://go-review.googlesource.com/c/159797
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-02-02 23:51:57 +00:00