5ae4576c3a
Sometimes the prefix of the thing you want to complete is a keyword. For example: variance := 123 fmt.Println(var<>) In this case the parser produces an *ast.BadExpr which breaks completion. We now repair this BadExpr by replacing it with an *ast.Ident named "var". We also repair empty decls using a similar approach. This fixes cases like: var typeName string type<> // want to complete to "typeName" We also fix accidental keywords in selectors, such as: foo.var<> The parser produces a phantom "_" in place of the keyword, so we swap it back for an *ast.Ident named "var". In general, though, accidental keywords wreak havoc on the AST so we can only do so much. There are still many cases where a keyword prefix breaks completion. Perhaps in the future the parser can be cursor/in-progress-edit aware and turn accidental keywords into identifiers. Fixes golang/go#34332. PS I tweaked nodeContains() to include n.End() to fix a test failure against tip related to a change to go/parser. When a syntax error is present, an *ast.BlockStmt's End() is now set to the block's final statement's End() (earlier than what it used to be). In order for the cursor pos to test "inside" the block in this case I had to relax the End() comparison. Change-Id: Ib45952cf086cc974f1578298df3dd12829344faa Reviewed-on: https://go-review.googlesource.com/c/tools/+/209438 Run-TryBot: Muir Manders <muir@mnd.rs> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Rebecca Stambler <rstambler@golang.org> |
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Go Tools
This subrepository holds the source for various packages and tools that support the Go programming language.
Some of the tools, godoc and vet for example, are included in binary Go
distributions.
Others, including the Go guru and the test coverage tool, can be fetched with
go get.
Packages include a type-checker for Go and an implementation of the Static Single Assignment form (SSA) representation for Go programs.
Download/Install
The easiest way to install is to run go get -u golang.org/x/tools/.... You can
also manually git clone the repository to $GOPATH/src/golang.org/x/tools.
Report Issues / Send Patches
This repository uses Gerrit for code changes. To learn how to submit changes to this repository, see https://golang.org/doc/contribute.html.
The main issue tracker for the tools repository is located at https://github.com/golang/go/issues. Prefix your issue with "x/tools/(your subdir):" in the subject line, so it is easy to find.