diff --git a/Makefile b/Makefile index 69456c233..e395d942b 100644 --- a/Makefile +++ b/Makefile @@ -222,7 +222,7 @@ vet: # Default vet $(GO) vet $(GO_PACKAGES) # Custom vet - $(GO) build -mod=vendor gitea.com/jolheiser/gitea-vet + $(GO) build -mod=vendor code.gitea.io/gitea-vet $(GO) vet -vettool=gitea-vet $(GO_PACKAGES) .PHONY: $(TAGS_EVIDENCE) diff --git a/build.go b/build.go index 4b13e5bbf..8f6fd4850 100644 --- a/build.go +++ b/build.go @@ -25,7 +25,7 @@ import ( _ "golang.org/x/tools/cover" // for vet - _ "gitea.com/jolheiser/gitea-vet" + _ "code.gitea.io/gitea-vet" // for swagger _ "github.com/go-swagger/go-swagger/cmd/swagger" diff --git a/go.mod b/go.mod index b5dd4d07a..f8b835836 100644 --- a/go.mod +++ b/go.mod @@ -4,7 +4,7 @@ go 1.14 require ( cloud.google.com/go v0.45.0 // indirect - gitea.com/jolheiser/gitea-vet v0.1.0 + code.gitea.io/gitea-vet v0.2.1 gitea.com/lunny/levelqueue v0.3.0 gitea.com/macaron/binding v0.0.0-20190822013154-a5f53841ed2b gitea.com/macaron/cache v0.0.0-20190822004001-a6e7fee4ee76 @@ -104,12 +104,12 @@ require ( github.com/yuin/goldmark-highlighting v0.0.0-20200307114337-60d527fdb691 github.com/yuin/goldmark-meta v0.0.0-20191126180153-f0638e958b60 golang.org/x/crypto v0.0.0-20200728195943-123391ffb6de - golang.org/x/net v0.0.0-20200602114024-627f9648deb9 + golang.org/x/net v0.0.0-20200625001655-4c5254603344 golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d golang.org/x/sys v0.0.0-20200615200032-f1bc736245b1 golang.org/x/text v0.3.2 golang.org/x/time v0.0.0-20200416051211-89c76fbcd5d1 // indirect - golang.org/x/tools v0.0.0-20200325010219-a49f79bcc224 + golang.org/x/tools v0.0.0-20200814230902-9882f1d1823d google.golang.org/appengine v1.6.5 // indirect gopkg.in/alexcesaro/quotedprintable.v3 v3.0.0-20150716171945-2caba252f4dc // indirect gopkg.in/asn1-ber.v1 v1.0.0-20150924051756-4e86f4367175 // indirect diff --git a/go.sum b/go.sum index 409c953a8..4828517f0 100644 --- a/go.sum +++ b/go.sum @@ -9,8 +9,8 @@ cloud.google.com/go v0.45.0 h1:bALuGBSgE+BD4rxsopAYlqjcwqcQtye6pWG4bC3N/k0= cloud.google.com/go v0.45.0/go.mod h1:452BcPOeI9AZfbvDw0Tbo7D32wA+WX9WME8AZwMEDZU= cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o= cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE= -gitea.com/jolheiser/gitea-vet v0.1.0 h1:gJEms9YWbIcrPOEmDOJ+5JZXCYFxNpwxlI73uRulAi4= -gitea.com/jolheiser/gitea-vet v0.1.0/go.mod h1:2Oa6TAdEp1N/38oBNh3ZeiSEER60D/CeDaBFv2sdH58= +code.gitea.io/gitea-vet v0.2.1 h1:b30by7+3SkmiftK0RjuXqFvZg2q4p68uoPGuxhzBN0s= +code.gitea.io/gitea-vet v0.2.1/go.mod h1:zcNbT/aJEmivCAhfmkHOlT645KNOf9W2KnkLgFjGGfE= gitea.com/lunny/levelqueue v0.3.0 h1:MHn1GuSZkxvVEDMyAPqlc7A3cOW+q8RcGhRgH/xtm6I= gitea.com/lunny/levelqueue v0.3.0/go.mod h1:HBqmLbz56JWpfEGG0prskAV97ATNRoj5LDmPicD22hU= gitea.com/macaron/binding v0.0.0-20190822013154-a5f53841ed2b h1:vXt85uYV17KURaUlhU7v4GbCShkqRZDSfo0TkC0YCjQ= @@ -775,6 +775,7 @@ github.com/yuin/goldmark v1.1.7/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9dec github.com/yuin/goldmark v1.1.22/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74= github.com/yuin/goldmark v1.1.25 h1:isv+Q6HQAmmL2Ofcmg8QauBmDPlUUnSoNhEcC940Rds= github.com/yuin/goldmark v1.1.25/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74= +github.com/yuin/goldmark v1.1.32/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74= github.com/yuin/goldmark v1.2.1 h1:ruQGxdhGHe7FWOJPT0mKs5+pD2Xs1Bm/kdGlHO04FmM= github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74= github.com/yuin/goldmark-highlighting v0.0.0-20200307114337-60d527fdb691 h1:VWSxtAiQNh3zgHJpdpkpVYjTPqRE3P6UZCOPa1nRDio= @@ -817,6 +818,8 @@ golang.org/x/crypto v0.0.0-20190927123631-a832865fa7ad/go.mod h1:yigFU9vqHzYiE8U golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI= golang.org/x/crypto v0.0.0-20200302210943-78000ba7a073 h1:xMPOj6Pz6UipU1wXLkrtqpHbR0AVFnyPEQq/wRWz9lM= golang.org/x/crypto v0.0.0-20200302210943-78000ba7a073/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= +golang.org/x/crypto v0.0.0-20200323165209-0ec3e9974c59/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= +golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= golang.org/x/crypto v0.0.0-20200728195943-123391ffb6de h1:ikNHVSjEfnvz6sxdSPCaPt572qowuyMDMJLLm3Db3ig= golang.org/x/crypto v0.0.0-20200728195943-123391ffb6de/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA= @@ -832,6 +835,8 @@ golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee h1:WG0RUwxtNT4qqaXX3DPA8zH golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg= golang.org/x/mod v0.2.0 h1:KU7oHjnv3XNWfa5COkzUifxZmxp1TyI7ImMXqFxLwvQ= golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA= +golang.org/x/mod v0.3.0 h1:RM4zey1++hCTbCVQfnWeKs9/IEsaBLA8vTkd0WVtmH4= +golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA= golang.org/x/net v0.0.0-20180218175443-cbe0f9307d01/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= @@ -860,8 +865,8 @@ golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLL golang.org/x/net v0.0.0-20200301022130-244492dfa37a h1:GuSPYbZzB5/dcLNCwLQLsg3obCJtX9IJhpXkvY7kzk0= golang.org/x/net v0.0.0-20200301022130-244492dfa37a/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= golang.org/x/net v0.0.0-20200324143707-d3edc9973b7e/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A= -golang.org/x/net v0.0.0-20200602114024-627f9648deb9 h1:pNX+40auqi2JqRfOP1akLGtYcn15TUbkhwuCO3foqqM= -golang.org/x/net v0.0.0-20200602114024-627f9648deb9/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A= +golang.org/x/net v0.0.0-20200625001655-4c5254603344 h1:vGXIOMxbNfDTk/aXCmfdLgkrSV+Z2tcbze+pEc3v5W4= +golang.org/x/net v0.0.0-20200625001655-4c5254603344/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA= golang.org/x/oauth2 v0.0.0-20180620175406-ef147856a6dd/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U= golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U= golang.org/x/oauth2 v0.0.0-20181106182150-f42d05182288/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U= @@ -876,6 +881,7 @@ golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJ golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= +golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= @@ -949,6 +955,8 @@ golang.org/x/tools v0.0.0-20200225230052-807dcd883420 h1:4RJNOV+2rLxMEfr6QIpC7GE golang.org/x/tools v0.0.0-20200225230052-807dcd883420/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28= golang.org/x/tools v0.0.0-20200325010219-a49f79bcc224 h1:azwY/v0y0K4mFHVsg5+UrTgchqALYWpqVo6vL5OmkmI= golang.org/x/tools v0.0.0-20200325010219-a49f79bcc224/go.mod h1:Sl4aGygMT6LrqrWclx+PTx3U+LnKx/seiNR+3G19Ar8= +golang.org/x/tools v0.0.0-20200814230902-9882f1d1823d h1:XZxUC4/ZNKTjrT4/Oc9gCgIYnzPW3/CefdPjsndrVWM= +golang.org/x/tools v0.0.0-20200814230902-9882f1d1823d/go.mod h1:njjCfa9FT2d7l9Bc6FUM5FLjQPp3cFF28FI3qnDFljA= golang.org/x/xerrors v0.0.0-20190410155217-1f06c39b4373/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= golang.org/x/xerrors v0.0.0-20190513163551-3ee3066db522/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= diff --git a/vendor/code.gitea.io/gitea-vet/.changelog.yml b/vendor/code.gitea.io/gitea-vet/.changelog.yml new file mode 100644 index 000000000..b3e6446b7 --- /dev/null +++ b/vendor/code.gitea.io/gitea-vet/.changelog.yml @@ -0,0 +1,30 @@ +# The full repository name +repo: gitea/gitea-vet + +# Service type (gitea or github) +service: gitea + +# Base URL for Gitea instance if using gitea service type (optional) +base-url: https://gitea.com + +# Changelog groups and which labeled PRs to add to each group +groups: + - + name: BREAKING + labels: + - breaking + - + name: FEATURES + labels: + - feature + - + name: BUGFIXES + labels: + - bug + - + name: ENHANCEMENTS + labels: + - enhancement + +# regex indicating which labels to skip for the changelog +skip-labels: skip-changelog|backport\/.+ diff --git a/vendor/code.gitea.io/gitea-vet/.drone.yml b/vendor/code.gitea.io/gitea-vet/.drone.yml new file mode 100644 index 000000000..dd0fc13f9 --- /dev/null +++ b/vendor/code.gitea.io/gitea-vet/.drone.yml @@ -0,0 +1,45 @@ +--- +kind: pipeline +name: compliance + +platform: + os: linux + arch: arm64 + +trigger: + event: + - pull_request + +steps: + - name: check + pull: always + image: golang:1.14 + environment: + GOPROXY: https://goproxy.cn + commands: + - make build + - make lint + - make vet + +--- +kind: pipeline +name: build-master + +platform: + os: linux + arch: amd64 + +trigger: + branch: + - master + event: + - push + +steps: + - name: build + pull: always + image: techknowlogick/xgo:latest + environment: + GOPROXY: https://goproxy.cn + commands: + - make build \ No newline at end of file diff --git a/vendor/gitea.com/jolheiser/gitea-vet/.gitignore b/vendor/code.gitea.io/gitea-vet/.gitignore similarity index 100% rename from vendor/gitea.com/jolheiser/gitea-vet/.gitignore rename to vendor/code.gitea.io/gitea-vet/.gitignore diff --git a/vendor/code.gitea.io/gitea-vet/.golangci.yml b/vendor/code.gitea.io/gitea-vet/.golangci.yml new file mode 100644 index 000000000..704d99a1d --- /dev/null +++ b/vendor/code.gitea.io/gitea-vet/.golangci.yml @@ -0,0 +1,23 @@ +linters: + enable: + - deadcode + - dogsled + - dupl + - errcheck + - gocognit + - goconst + - gocritic + - gocyclo + - gofmt + - golint + - gosimple + - govet + - maligned + - misspell + - prealloc + - staticcheck + - structcheck + - typecheck + - unparam + - unused + - varcheck \ No newline at end of file diff --git a/vendor/code.gitea.io/gitea-vet/CHANGELOG.md b/vendor/code.gitea.io/gitea-vet/CHANGELOG.md new file mode 100644 index 000000000..295456bb6 --- /dev/null +++ b/vendor/code.gitea.io/gitea-vet/CHANGELOG.md @@ -0,0 +1,11 @@ +## [v0.2.1](https://gitea.com/gitea/gitea-vet/releases/tag/v0.2.1) - 2020-08-15 + +* BUGFIXES + * Split migration check to Deps and Imports (#9) + +## [0.2.0](https://gitea.com/gitea/gitea-vet/pulls?q=&type=all&state=closed&milestone=1272) - 2020-07-20 + +* FEATURES + * Add migrations check (#5) +* BUGFIXES + * Correct Import Paths (#6) diff --git a/vendor/gitea.com/jolheiser/gitea-vet/LICENSE b/vendor/code.gitea.io/gitea-vet/LICENSE similarity index 100% rename from vendor/gitea.com/jolheiser/gitea-vet/LICENSE rename to vendor/code.gitea.io/gitea-vet/LICENSE diff --git a/vendor/code.gitea.io/gitea-vet/Makefile b/vendor/code.gitea.io/gitea-vet/Makefile new file mode 100644 index 000000000..e9c9f4f70 --- /dev/null +++ b/vendor/code.gitea.io/gitea-vet/Makefile @@ -0,0 +1,22 @@ +GO ?= go + +.PHONY: build +build: + $(GO) build + +.PHONY: fmt +fmt: + $(GO) fmt ./... + +.PHONY: vet +vet: build + $(GO) vet ./... + $(GO) vet -vettool=gitea-vet ./... + +.PHONY: lint +lint: + @hash golangci-lint > /dev/null 2>&1; if [ $$? -ne 0 ]; then \ + export BINARY="golangci-lint"; \ + curl -sfL https://install.goreleaser.com/github.com/golangci/golangci-lint.sh | sh -s -- -b $(shell $(GO) env GOPATH)/bin v1.24.0; \ + fi + golangci-lint run --timeout 5m \ No newline at end of file diff --git a/vendor/code.gitea.io/gitea-vet/README.md b/vendor/code.gitea.io/gitea-vet/README.md new file mode 100644 index 000000000..5d3d09742 --- /dev/null +++ b/vendor/code.gitea.io/gitea-vet/README.md @@ -0,0 +1,11 @@ +# gitea-vet + +[![Build Status](https://drone.gitea.com/api/badges/gitea/gitea-vet/status.svg)](https://drone.gitea.com/gitea/gitea-vet) + +`go vet` tool for Gitea + +| Analyzer | Description | +|------------|-----------------------------------------------------------------------------| +| Imports | Checks for import sorting. stdlib->code.gitea.io->other | +| License | Checks file headers for some form of `Copyright...YYYY...Gitea/Gogs` | +| Migrations | Checks for black-listed packages in `code.gitea.io/gitea/models/migrations` | diff --git a/vendor/gitea.com/jolheiser/gitea-vet/checks/imports.go b/vendor/code.gitea.io/gitea-vet/checks/imports.go similarity index 72% rename from vendor/gitea.com/jolheiser/gitea-vet/checks/imports.go rename to vendor/code.gitea.io/gitea-vet/checks/imports.go index 6ef5975e2..15563c854 100644 --- a/vendor/gitea.com/jolheiser/gitea-vet/checks/imports.go +++ b/vendor/code.gitea.io/gitea-vet/checks/imports.go @@ -12,7 +12,7 @@ import ( var Imports = &analysis.Analyzer{ Name: "imports", - Doc: "check for import order.", + Doc: "check for import order", Run: runImports, } @@ -22,11 +22,12 @@ func runImports(pass *analysis.Pass) (interface{}, error) { for _, im := range file.Imports { var lvl int val := im.Path.Value - if importHasPrefix(val, "code.gitea.io") { + switch { + case importHasPrefix(val, "code.gitea.io"): lvl = 2 - } else if strings.Contains(val, ".") { + case strings.Contains(val, "."): lvl = 3 - } else { + default: lvl = 1 } @@ -43,12 +44,3 @@ func runImports(pass *analysis.Pass) (interface{}, error) { func importHasPrefix(s, p string) bool { return strings.HasPrefix(s, "\""+p) } - -func sliceHasPrefix(s string, prefixes ...string) bool { - for _, p := range prefixes { - if importHasPrefix(s, p) { - return true - } - } - return false -} diff --git a/vendor/gitea.com/jolheiser/gitea-vet/checks/license.go b/vendor/code.gitea.io/gitea-vet/checks/license.go similarity index 97% rename from vendor/gitea.com/jolheiser/gitea-vet/checks/license.go rename to vendor/code.gitea.io/gitea-vet/checks/license.go index 83f9e3ca0..a3ae04767 100644 --- a/vendor/gitea.com/jolheiser/gitea-vet/checks/license.go +++ b/vendor/code.gitea.io/gitea-vet/checks/license.go @@ -19,7 +19,7 @@ var ( var License = &analysis.Analyzer{ Name: "license", - Doc: "check for a copyright header.", + Doc: "check for a copyright header", Run: runLicense, } diff --git a/vendor/code.gitea.io/gitea-vet/checks/migrations.go b/vendor/code.gitea.io/gitea-vet/checks/migrations.go new file mode 100644 index 000000000..e3fe570f7 --- /dev/null +++ b/vendor/code.gitea.io/gitea-vet/checks/migrations.go @@ -0,0 +1,77 @@ +// Copyright 2020 The Gitea Authors. All rights reserved. +// Use of this source code is governed by a MIT-style +// license that can be found in the LICENSE file. + +package checks + +import ( + "errors" + "os/exec" + "strings" + + "golang.org/x/tools/go/analysis" +) + +var Migrations = &analysis.Analyzer{ + Name: "migrations", + Doc: "check migrations for black-listed packages.", + Run: checkMigrations, +} + +var ( + migrationDepBlockList = []string{ + "code.gitea.io/gitea/models", + } + migrationImpBlockList = []string{ + "code.gitea.io/gitea/modules/structs", + } +) + +func checkMigrations(pass *analysis.Pass) (interface{}, error) { + if !strings.EqualFold(pass.Pkg.Path(), "code.gitea.io/gitea/models/migrations") { + return nil, nil + } + + if _, err := exec.LookPath("go"); err != nil { + return nil, errors.New("go was not found in the PATH") + } + + depsCmd := exec.Command("go", "list", "-f", `{{join .Deps "\n"}}`, "code.gitea.io/gitea/models/migrations") + depsOut, err := depsCmd.Output() + if err != nil { + return nil, err + } + + deps := strings.Split(string(depsOut), "\n") + for _, dep := range deps { + if stringInSlice(dep, migrationDepBlockList) { + pass.Reportf(0, "code.gitea.io/gitea/models/migrations cannot depend on the following packages: %s", migrationDepBlockList) + return nil, nil + } + } + + impsCmd := exec.Command("go", "list", "-f", `{{join .Imports "\n"}}`, "code.gitea.io/gitea/models/migrations") + impsOut, err := impsCmd.Output() + if err != nil { + return nil, err + } + + imps := strings.Split(string(impsOut), "\n") + for _, imp := range imps { + if stringInSlice(imp, migrationImpBlockList) { + pass.Reportf(0, "code.gitea.io/gitea/models/migrations cannot import the following packages: %s", migrationImpBlockList) + return nil, nil + } + } + + return nil, nil +} + +func stringInSlice(needle string, haystack []string) bool { + for _, h := range haystack { + if strings.EqualFold(needle, h) { + return true + } + } + return false +} diff --git a/vendor/gitea.com/jolheiser/gitea-vet/go.mod b/vendor/code.gitea.io/gitea-vet/go.mod similarity index 66% rename from vendor/gitea.com/jolheiser/gitea-vet/go.mod rename to vendor/code.gitea.io/gitea-vet/go.mod index 241ed5ca0..ed0987cc6 100644 --- a/vendor/gitea.com/jolheiser/gitea-vet/go.mod +++ b/vendor/code.gitea.io/gitea-vet/go.mod @@ -1,4 +1,4 @@ -module gitea.com/jolheiser/gitea-vet +module code.gitea.io/gitea-vet go 1.14 diff --git a/vendor/gitea.com/jolheiser/gitea-vet/go.sum b/vendor/code.gitea.io/gitea-vet/go.sum similarity index 100% rename from vendor/gitea.com/jolheiser/gitea-vet/go.sum rename to vendor/code.gitea.io/gitea-vet/go.sum diff --git a/vendor/gitea.com/jolheiser/gitea-vet/main.go b/vendor/code.gitea.io/gitea-vet/main.go similarity index 84% rename from vendor/gitea.com/jolheiser/gitea-vet/main.go rename to vendor/code.gitea.io/gitea-vet/main.go index 9b8b00006..489405508 100644 --- a/vendor/gitea.com/jolheiser/gitea-vet/main.go +++ b/vendor/code.gitea.io/gitea-vet/main.go @@ -5,7 +5,8 @@ package main import ( - "gitea.com/jolheiser/gitea-vet/checks" + "code.gitea.io/gitea-vet/checks" + "golang.org/x/tools/go/analysis/unitchecker" ) @@ -13,5 +14,6 @@ func main() { unitchecker.Main( checks.Imports, checks.License, + checks.Migrations, ) } diff --git a/vendor/gitea.com/jolheiser/gitea-vet/Makefile b/vendor/gitea.com/jolheiser/gitea-vet/Makefile deleted file mode 100644 index 5305662b6..000000000 --- a/vendor/gitea.com/jolheiser/gitea-vet/Makefile +++ /dev/null @@ -1,7 +0,0 @@ -.PHONY: build -build: - go build - -.PHONY: fmt -fmt: - go fmt ./... \ No newline at end of file diff --git a/vendor/gitea.com/jolheiser/gitea-vet/README.md b/vendor/gitea.com/jolheiser/gitea-vet/README.md deleted file mode 100644 index 5fc03e0eb..000000000 --- a/vendor/gitea.com/jolheiser/gitea-vet/README.md +++ /dev/null @@ -1,7 +0,0 @@ -# gitea-vet -`go vet` tool for Gitea - -| Analyzer | Description | -|----------|---------------------------------------------------------------------| -| Imports | Checks for import sorting. stdlib->code.gitea.io->other | -| License | Checks file headers for some form of `Copyright...YYYY...Gitea/Gogs`| diff --git a/vendor/golang.org/x/tools/go/analysis/analysis.go b/vendor/golang.org/x/tools/go/analysis/analysis.go index ea605f4fd..8c9977355 100644 --- a/vendor/golang.org/x/tools/go/analysis/analysis.go +++ b/vendor/golang.org/x/tools/go/analysis/analysis.go @@ -7,6 +7,8 @@ import ( "go/token" "go/types" "reflect" + + "golang.org/x/tools/internal/analysisinternal" ) // An Analyzer describes an analysis function and its options. @@ -69,6 +71,17 @@ type Analyzer struct { func (a *Analyzer) String() string { return a.Name } +func init() { + // Set the analysisinternal functions to be able to pass type errors + // to the Pass type without modifying the go/analysis API. + analysisinternal.SetTypeErrors = func(p interface{}, errors []types.Error) { + p.(*Pass).typeErrors = errors + } + analysisinternal.GetTypeErrors = func(p interface{}) []types.Error { + return p.(*Pass).typeErrors + } +} + // A Pass provides information to the Run function that // applies a specific analyzer to a single Go package. // @@ -138,6 +151,9 @@ type Pass struct { // WARNING: This is an experimental API and may change in the future. AllObjectFacts func() []ObjectFact + // typeErrors contains types.Errors that are associated with the pkg. + typeErrors []types.Error + /* Further fields may be added in future. */ // For example, suggested or applied refactorings. } diff --git a/vendor/golang.org/x/tools/go/analysis/doc.go b/vendor/golang.org/x/tools/go/analysis/doc.go index ea56b724e..fb17a0e41 100644 --- a/vendor/golang.org/x/tools/go/analysis/doc.go +++ b/vendor/golang.org/x/tools/go/analysis/doc.go @@ -170,6 +170,15 @@ Diagnostic is defined as: The optional Category field is a short identifier that classifies the kind of message when an analysis produces several kinds of diagnostic. +Many analyses want to associate diagnostics with a severity level. +Because Diagnostic does not have a severity level field, an Analyzer's +diagnostics effectively all have the same severity level. To separate which +diagnostics are high severity and which are low severity, expose multiple +Analyzers instead. Analyzers should also be separated when their +diagnostics belong in different groups, or could be tagged differently +before being shown to the end user. Analyzers should document their severity +level to help downstream tools surface diagnostics properly. + Most Analyzers inspect typed Go syntax trees, but a few, such as asmdecl and buildtag, inspect the raw text of Go source files or even non-Go files such as assembly. To report a diagnostic against a line of a diff --git a/vendor/golang.org/x/tools/go/analysis/internal/analysisflags/flags.go b/vendor/golang.org/x/tools/go/analysis/internal/analysisflags/flags.go index 0778f4220..4b7be2d1f 100644 --- a/vendor/golang.org/x/tools/go/analysis/internal/analysisflags/flags.go +++ b/vendor/golang.org/x/tools/go/analysis/internal/analysisflags/flags.go @@ -382,7 +382,7 @@ func (tree JSONTree) Add(fset *token.FileSet, id, name string, diags []analysis. func (tree JSONTree) Print() { data, err := json.MarshalIndent(tree, "", "\t") if err != nil { - log.Panicf("internal error: JSON marshalling failed: %v", err) + log.Panicf("internal error: JSON marshaling failed: %v", err) } fmt.Printf("%s\n", data) } diff --git a/vendor/golang.org/x/tools/go/internal/packagesdriver/sizes.go b/vendor/golang.org/x/tools/go/internal/packagesdriver/sizes.go index 5ee692d38..dc6177c12 100644 --- a/vendor/golang.org/x/tools/go/internal/packagesdriver/sizes.go +++ b/vendor/golang.org/x/tools/go/internal/packagesdriver/sizes.go @@ -19,8 +19,7 @@ import ( var debug = false -// GetSizes returns the sizes used by the underlying driver with the given parameters. -func GetSizes(ctx context.Context, buildFlags, env []string, dir string, usesExportData bool) (types.Sizes, error) { +func GetSizes(ctx context.Context, buildFlags, env []string, gocmdRunner *gocommand.Runner, dir string) (types.Sizes, error) { // TODO(matloob): Clean this up. This code is mostly a copy of packages.findExternalDriver. const toolPrefix = "GOPACKAGESDRIVER=" tool := "" @@ -40,7 +39,7 @@ func GetSizes(ctx context.Context, buildFlags, env []string, dir string, usesExp } if tool == "off" { - return GetSizesGolist(ctx, buildFlags, env, dir, usesExportData) + return GetSizesGolist(ctx, buildFlags, env, gocmdRunner, dir) } req, err := json.Marshal(struct { @@ -76,7 +75,7 @@ func GetSizes(ctx context.Context, buildFlags, env []string, dir string, usesExp return response.Sizes, nil } -func GetSizesGolist(ctx context.Context, buildFlags, env []string, dir string, usesExportData bool) (types.Sizes, error) { +func GetSizesGolist(ctx context.Context, buildFlags, env []string, gocmdRunner *gocommand.Runner, dir string) (types.Sizes, error) { inv := gocommand.Invocation{ Verb: "list", Args: []string{"-f", "{{context.GOARCH}} {{context.Compiler}}", "--", "unsafe"}, @@ -84,7 +83,7 @@ func GetSizesGolist(ctx context.Context, buildFlags, env []string, dir string, u BuildFlags: buildFlags, WorkingDir: dir, } - stdout, stderr, friendlyErr, rawErr := inv.RunRaw(ctx) + stdout, stderr, friendlyErr, rawErr := gocmdRunner.RunRaw(ctx, inv) var goarch, compiler string if rawErr != nil { if strings.Contains(rawErr.Error(), "cannot find main module") { @@ -96,7 +95,7 @@ func GetSizesGolist(ctx context.Context, buildFlags, env []string, dir string, u Env: env, WorkingDir: dir, } - envout, enverr := inv.Run(ctx) + envout, enverr := gocmdRunner.Run(ctx, inv) if enverr != nil { return nil, enverr } diff --git a/vendor/golang.org/x/tools/go/packages/golist.go b/vendor/golang.org/x/tools/go/packages/golist.go index b4a13ef45..b4d232be7 100644 --- a/vendor/golang.org/x/tools/go/packages/golist.go +++ b/vendor/golang.org/x/tools/go/packages/golist.go @@ -24,7 +24,7 @@ import ( "golang.org/x/tools/go/internal/packagesdriver" "golang.org/x/tools/internal/gocommand" - "golang.org/x/tools/internal/packagesinternal" + "golang.org/x/xerrors" ) // debug controls verbose logging. @@ -89,6 +89,10 @@ type golistState struct { rootDirsError error rootDirs map[string]string + goVersionOnce sync.Once + goVersionError error + goVersion string // third field of 'go version' + // vendorDirs caches the (non)existence of vendor directories. vendorDirs map[string]bool } @@ -142,7 +146,7 @@ func goListDriver(cfg *Config, patterns ...string) (*driverResponse, error) { sizeswg.Add(1) go func() { var sizes types.Sizes - sizes, sizeserr = packagesdriver.GetSizesGolist(ctx, cfg.BuildFlags, cfg.Env, cfg.Dir, usesExportData(cfg)) + sizes, sizeserr = packagesdriver.GetSizesGolist(ctx, cfg.BuildFlags, cfg.Env, cfg.gocmdRunner, cfg.Dir) // types.SizesFor always returns nil or a *types.StdSizes. response.dr.Sizes, _ = sizes.(*types.StdSizes) sizeswg.Done() @@ -381,7 +385,7 @@ type jsonPackage struct { Imports []string ImportMap map[string]string Deps []string - Module *packagesinternal.Module + Module *Module TestGoFiles []string TestImports []string XTestGoFiles []string @@ -502,10 +506,19 @@ func (state *golistState) createDriverResponse(words ...string) (*driverResponse errkind = "use of internal package not allowed" } if errkind != "" { - if len(old.Error.ImportStack) < 2 { - return nil, fmt.Errorf(`internal error: go list gave a %q error with an import stack with fewer than two elements`, errkind) + if len(old.Error.ImportStack) < 1 { + return nil, fmt.Errorf(`internal error: go list gave a %q error with empty import stack`, errkind) + } + importingPkg := old.Error.ImportStack[len(old.Error.ImportStack)-1] + if importingPkg == old.ImportPath { + // Using an older version of Go which put this package itself on top of import + // stack, instead of the importer. Look for importer in second from top + // position. + if len(old.Error.ImportStack) < 2 { + return nil, fmt.Errorf(`internal error: go list gave a %q error with an import stack without importing package`, errkind) + } + importingPkg = old.Error.ImportStack[len(old.Error.ImportStack)-2] } - importingPkg := old.Error.ImportStack[len(old.Error.ImportStack)-2] additionalErrors[importingPkg] = append(additionalErrors[importingPkg], Error{ Pos: old.Error.Pos, Msg: old.Error.Err, @@ -531,7 +544,26 @@ func (state *golistState) createDriverResponse(words ...string) (*driverResponse CompiledGoFiles: absJoin(p.Dir, p.CompiledGoFiles), OtherFiles: absJoin(p.Dir, otherFiles(p)...), forTest: p.ForTest, - module: p.Module, + Module: p.Module, + } + + if (state.cfg.Mode&typecheckCgo) != 0 && len(p.CgoFiles) != 0 { + if len(p.CompiledGoFiles) > len(p.GoFiles) { + // We need the cgo definitions, which are in the first + // CompiledGoFile after the non-cgo ones. This is a hack but there + // isn't currently a better way to find it. We also need the pure + // Go files and unprocessed cgo files, all of which are already + // in pkg.GoFiles. + cgoTypes := p.CompiledGoFiles[len(p.GoFiles)] + pkg.CompiledGoFiles = append([]string{cgoTypes}, pkg.GoFiles...) + } else { + // golang/go#38990: go list silently fails to do cgo processing + pkg.CompiledGoFiles = nil + pkg.Errors = append(pkg.Errors, Error{ + Msg: "go list failed to return CompiledGoFiles; https://golang.org/issue/38990?", + Kind: ListError, + }) + } } // Work around https://golang.org/issue/28749: @@ -607,6 +639,39 @@ func (state *golistState) createDriverResponse(words ...string) (*driverResponse pkg.CompiledGoFiles = pkg.GoFiles } + // Temporary work-around for golang/go#39986. Parse filenames out of + // error messages. This happens if there are unrecoverable syntax + // errors in the source, so we can't match on a specific error message. + if err := p.Error; err != nil && state.shouldAddFilenameFromError(p) { + addFilenameFromPos := func(pos string) bool { + split := strings.Split(pos, ":") + if len(split) < 1 { + return false + } + filename := strings.TrimSpace(split[0]) + if filename == "" { + return false + } + if !filepath.IsAbs(filename) { + filename = filepath.Join(state.cfg.Dir, filename) + } + info, _ := os.Stat(filename) + if info == nil { + return false + } + pkg.CompiledGoFiles = append(pkg.CompiledGoFiles, filename) + pkg.GoFiles = append(pkg.GoFiles, filename) + return true + } + found := addFilenameFromPos(err.Pos) + // In some cases, go list only reports the error position in the + // error text, not the error position. One such case is when the + // file's package name is a keyword (see golang.org/issue/39763). + if !found { + addFilenameFromPos(err.Err) + } + } + if p.Error != nil { msg := strings.TrimSpace(p.Error.Err) // Trim to work around golang.org/issue/32363. // Address golang.org/issue/35964 by appending import stack to error message. @@ -636,6 +701,58 @@ func (state *golistState) createDriverResponse(words ...string) (*driverResponse return &response, nil } +func (state *golistState) shouldAddFilenameFromError(p *jsonPackage) bool { + if len(p.GoFiles) > 0 || len(p.CompiledGoFiles) > 0 { + return false + } + + goV, err := state.getGoVersion() + if err != nil { + return false + } + + // On Go 1.14 and earlier, only add filenames from errors if the import stack is empty. + // The import stack behaves differently for these versions than newer Go versions. + if strings.HasPrefix(goV, "go1.13") || strings.HasPrefix(goV, "go1.14") { + return len(p.Error.ImportStack) == 0 + } + + // On Go 1.15 and later, only parse filenames out of error if there's no import stack, + // or the current package is at the top of the import stack. This is not guaranteed + // to work perfectly, but should avoid some cases where files in errors don't belong to this + // package. + return len(p.Error.ImportStack) == 0 || p.Error.ImportStack[len(p.Error.ImportStack)-1] == p.ImportPath +} + +func (state *golistState) getGoVersion() (string, error) { + state.goVersionOnce.Do(func() { + var b *bytes.Buffer + // Invoke go version. Don't use invokeGo because it will supply build flags, and + // go version doesn't expect build flags. + inv := gocommand.Invocation{ + Verb: "version", + Env: state.cfg.Env, + Logf: state.cfg.Logf, + } + gocmdRunner := state.cfg.gocmdRunner + if gocmdRunner == nil { + gocmdRunner = &gocommand.Runner{} + } + b, _, _, state.goVersionError = gocmdRunner.RunRaw(state.cfg.Context, inv) + if state.goVersionError != nil { + return + } + + sp := strings.Split(b.String(), " ") + if len(sp) < 3 { + state.goVersionError = fmt.Errorf("go version output: expected 'go version ', got '%s'", b.String()) + return + } + state.goVersion = sp[2] + }) + return state.goVersion, state.goVersionError +} + // getPkgPath finds the package path of a directory if it's relative to a root directory. func (state *golistState) getPkgPath(dir string) (string, bool, error) { absDir, err := filepath.Abs(dir) @@ -707,7 +824,7 @@ func golistargs(cfg *Config, words []string) []string { func (state *golistState) invokeGo(verb string, args ...string) (*bytes.Buffer, error) { cfg := state.cfg - inv := &gocommand.Invocation{ + inv := gocommand.Invocation{ Verb: verb, Args: args, BuildFlags: cfg.BuildFlags, @@ -715,8 +832,11 @@ func (state *golistState) invokeGo(verb string, args ...string) (*bytes.Buffer, Logf: cfg.Logf, WorkingDir: cfg.Dir, } - - stdout, stderr, _, err := inv.RunRaw(cfg.Context) + gocmdRunner := cfg.gocmdRunner + if gocmdRunner == nil { + gocmdRunner = &gocommand.Runner{} + } + stdout, stderr, _, err := gocmdRunner.RunRaw(cfg.Context, inv) if err != nil { // Check for 'go' executable not being found. if ee, ok := err.(*exec.Error); ok && ee.Err == exec.ErrNotFound { @@ -727,7 +847,7 @@ func (state *golistState) invokeGo(verb string, args ...string) (*bytes.Buffer, if !ok { // Catastrophic error: // - context cancellation - return nil, fmt.Errorf("couldn't run 'go': %v", err) + return nil, xerrors.Errorf("couldn't run 'go': %w", err) } // Old go version? diff --git a/vendor/golang.org/x/tools/go/packages/golist_overlay.go b/vendor/golang.org/x/tools/go/packages/golist_overlay.go index 7974a6c9b..4eabfd98c 100644 --- a/vendor/golang.org/x/tools/go/packages/golist_overlay.go +++ b/vendor/golang.org/x/tools/go/packages/golist_overlay.go @@ -5,6 +5,7 @@ import ( "fmt" "go/parser" "go/token" + "log" "os" "path/filepath" "sort" @@ -22,10 +23,15 @@ func (state *golistState) processGolistOverlay(response *responseDeduper) (modif needPkgsSet := make(map[string]bool) modifiedPkgsSet := make(map[string]bool) + pkgOfDir := make(map[string][]*Package) for _, pkg := range response.dr.Packages { // This is an approximation of import path to id. This can be // wrong for tests, vendored packages, and a number of other cases. havePkgs[pkg.PkgPath] = pkg.ID + x := commonDir(pkg.GoFiles) + if x != "" { + pkgOfDir[x] = append(pkgOfDir[x], pkg) + } } // If no new imports are added, it is safe to avoid loading any needPkgs. @@ -64,6 +70,9 @@ func (state *golistState) processGolistOverlay(response *responseDeduper) (modif // to the overlay. continue } + // If all the overlay files belong to a different package, change the + // package name to that package. + maybeFixPackageName(pkgName, isTestFile, pkgOfDir[dir]) nextPackage: for _, p := range response.dr.Packages { if pkgName != p.Name && p.ID != "command-line-arguments" { @@ -93,8 +102,11 @@ func (state *golistState) processGolistOverlay(response *responseDeduper) (modif } } } - // The overlay could have included an entirely new package. - if pkg == nil { + // The overlay could have included an entirely new package or an + // ad-hoc package. An ad-hoc package is one that we have manually + // constructed from inadequate `go list` results for a file= query. + // It will have the ID command-line-arguments. + if pkg == nil || pkg.ID == "command-line-arguments" { // Try to find the module or gopath dir the file is contained in. // Then for modules, add the module opath to the beginning. pkgPath, ok, err := state.getPkgPath(dir) @@ -104,34 +116,53 @@ func (state *golistState) processGolistOverlay(response *responseDeduper) (modif if !ok { break } + var forTest string // only set for x tests isXTest := strings.HasSuffix(pkgName, "_test") if isXTest { + forTest = pkgPath pkgPath += "_test" } id := pkgPath - if isTestFile && !isXTest { - id = fmt.Sprintf("%s [%s.test]", pkgPath, pkgPath) - } - // Try to reclaim a package with the same id if it exists in the response. - for _, p := range response.dr.Packages { - if reclaimPackage(p, id, opath, contents) { - pkg = p - break + if isTestFile { + if isXTest { + id = fmt.Sprintf("%s [%s.test]", pkgPath, forTest) + } else { + id = fmt.Sprintf("%s [%s.test]", pkgPath, pkgPath) } } - // Otherwise, create a new package - if pkg == nil { - pkg = &Package{PkgPath: pkgPath, ID: id, Name: pkgName, Imports: make(map[string]*Package)} - response.addPackage(pkg) - havePkgs[pkg.PkgPath] = id - // Add the production package's sources for a test variant. - if isTestFile && !isXTest && testVariantOf != nil { - pkg.GoFiles = append(pkg.GoFiles, testVariantOf.GoFiles...) - pkg.CompiledGoFiles = append(pkg.CompiledGoFiles, testVariantOf.CompiledGoFiles...) - // Add the package under test and its imports to the test variant. - pkg.forTest = testVariantOf.PkgPath - for k, v := range testVariantOf.Imports { - pkg.Imports[k] = &Package{ID: v.ID} + if pkg != nil { + // TODO(rstambler): We should change the package's path and ID + // here. The only issue is that this messes with the roots. + } else { + // Try to reclaim a package with the same ID, if it exists in the response. + for _, p := range response.dr.Packages { + if reclaimPackage(p, id, opath, contents) { + pkg = p + break + } + } + // Otherwise, create a new package. + if pkg == nil { + pkg = &Package{ + PkgPath: pkgPath, + ID: id, + Name: pkgName, + Imports: make(map[string]*Package), + } + response.addPackage(pkg) + havePkgs[pkg.PkgPath] = id + // Add the production package's sources for a test variant. + if isTestFile && !isXTest && testVariantOf != nil { + pkg.GoFiles = append(pkg.GoFiles, testVariantOf.GoFiles...) + pkg.CompiledGoFiles = append(pkg.CompiledGoFiles, testVariantOf.CompiledGoFiles...) + // Add the package under test and its imports to the test variant. + pkg.forTest = testVariantOf.PkgPath + for k, v := range testVariantOf.Imports { + pkg.Imports[k] = &Package{ID: v.ID} + } + } + if isXTest { + pkg.forTest = forTest } } } @@ -149,6 +180,8 @@ func (state *golistState) processGolistOverlay(response *responseDeduper) (modif continue } for _, imp := range imports { + // TODO(rstambler): If the package is an x test and the import has + // a test variant, make sure to replace it. if _, found := pkg.Imports[imp]; found { continue } @@ -282,7 +315,17 @@ func (state *golistState) determineRootDirs() (map[string]string, error) { } func (state *golistState) determineRootDirsModules() (map[string]string, error) { - out, err := state.invokeGo("list", "-m", "-json", "all") + // This will only return the root directory for the main module. + // For now we only support overlays in main modules. + // Editing files in the module cache isn't a great idea, so we don't + // plan to ever support that, but editing files in replaced modules + // is something we may want to support. To do that, we'll want to + // do a go list -m to determine the replaced module's module path and + // directory, and then a go list -m {{with .Replace}}{{.Dir}}{{end}} + // from the main module to determine if that module is actually a replacement. + // See bcmills's comment here: https://github.com/golang/go/issues/37629#issuecomment-594179751 + // for more information. + out, err := state.invokeGo("list", "-m", "-json") if err != nil { return nil, err } @@ -374,3 +417,57 @@ func extractPackageName(filename string, contents []byte) (string, bool) { } return f.Name.Name, true } + +func commonDir(a []string) string { + seen := make(map[string]bool) + x := append([]string{}, a...) + for _, f := range x { + seen[filepath.Dir(f)] = true + } + if len(seen) > 1 { + log.Fatalf("commonDir saw %v for %v", seen, x) + } + for k := range seen { + // len(seen) == 1 + return k + } + return "" // no files +} + +// It is possible that the files in the disk directory dir have a different package +// name from newName, which is deduced from the overlays. If they all have a different +// package name, and they all have the same package name, then that name becomes +// the package name. +// It returns true if it changes the package name, false otherwise. +func maybeFixPackageName(newName string, isTestFile bool, pkgsOfDir []*Package) { + names := make(map[string]int) + for _, p := range pkgsOfDir { + names[p.Name]++ + } + if len(names) != 1 { + // some files are in different packages + return + } + var oldName string + for k := range names { + oldName = k + } + if newName == oldName { + return + } + // We might have a case where all of the package names in the directory are + // the same, but the overlay file is for an x test, which belongs to its + // own package. If the x test does not yet exist on disk, we may not yet + // have its package name on disk, but we should not rename the packages. + // + // We use a heuristic to determine if this file belongs to an x test: + // The test file should have a package name whose package name has a _test + // suffix or looks like "newName_test". + maybeXTest := strings.HasPrefix(oldName+"_test", newName) || strings.HasSuffix(newName, "_test") + if isTestFile && maybeXTest { + return + } + for _, p := range pkgsOfDir { + p.Name = newName + } +} diff --git a/vendor/golang.org/x/tools/go/packages/loadmode_string.go b/vendor/golang.org/x/tools/go/packages/loadmode_string.go index aff94a3fe..7ea37e7ee 100644 --- a/vendor/golang.org/x/tools/go/packages/loadmode_string.go +++ b/vendor/golang.org/x/tools/go/packages/loadmode_string.go @@ -38,7 +38,7 @@ var modeStrings = []string{ func (mod LoadMode) String() string { m := mod if m == 0 { - return fmt.Sprintf("LoadMode(0)") + return "LoadMode(0)" } var out []string for i, x := range allModes { diff --git a/vendor/golang.org/x/tools/go/packages/packages.go b/vendor/golang.org/x/tools/go/packages/packages.go index 1ac6558c1..04053f1e7 100644 --- a/vendor/golang.org/x/tools/go/packages/packages.go +++ b/vendor/golang.org/x/tools/go/packages/packages.go @@ -21,9 +21,12 @@ import ( "path/filepath" "strings" "sync" + "time" "golang.org/x/tools/go/gcexportdata" + "golang.org/x/tools/internal/gocommand" "golang.org/x/tools/internal/packagesinternal" + "golang.org/x/tools/internal/typesinternal" ) // A LoadMode controls the amount of detail to return when loading. @@ -69,6 +72,13 @@ const ( // NeedTypesSizes adds TypesSizes. NeedTypesSizes + + // typecheckCgo enables full support for type checking cgo. Requires Go 1.15+. + // Modifies CompiledGoFiles and Types, and has no effect on its own. + typecheckCgo + + // NeedModule adds Module. + NeedModule ) const ( @@ -127,6 +137,9 @@ type Config struct { // Env []string + // gocmdRunner guards go command calls from concurrency errors. + gocmdRunner *gocommand.Runner + // BuildFlags is a list of command-line flags to be passed through to // the build system's query tool. BuildFlags []string @@ -178,6 +191,13 @@ type driver func(cfg *Config, patterns ...string) (*driverResponse, error) // driverResponse contains the results for a driver query. type driverResponse struct { + // NotHandled is returned if the request can't be handled by the current + // driver. If an external driver returns a response with NotHandled, the + // rest of the driverResponse is ignored, and go/packages will fallback + // to the next driver. If go/packages is extended in the future to support + // lists of multiple drivers, go/packages will fall back to the next driver. + NotHandled bool + // Sizes, if not nil, is the types.Sizes to use when type checking. Sizes *types.StdSizes @@ -219,14 +239,22 @@ func Load(cfg *Config, patterns ...string) ([]*Package, error) { return l.refine(response.Roots, response.Packages...) } -// defaultDriver is a driver that looks for an external driver binary, and if -// it does not find it falls back to the built in go list driver. +// defaultDriver is a driver that implements go/packages' fallback behavior. +// It will try to request to an external driver, if one exists. If there's +// no external driver, or the driver returns a response with NotHandled set, +// defaultDriver will fall back to the go list driver. func defaultDriver(cfg *Config, patterns ...string) (*driverResponse, error) { driver := findExternalDriver(cfg) if driver == nil { driver = goListDriver } - return driver(cfg, patterns...) + response, err := driver(cfg, patterns...) + if err != nil { + return response, err + } else if response.NotHandled { + return goListDriver(cfg, patterns...) + } + return response, nil } // A Package describes a loaded Go package. @@ -253,7 +281,7 @@ type Package struct { GoFiles []string // CompiledGoFiles lists the absolute file paths of the package's source - // files that were presented to the compiler. + // files that are suitable for type checking. // This may differ from GoFiles if files are processed before compilation. CompiledGoFiles []string @@ -301,16 +329,39 @@ type Package struct { forTest string // module is the module information for the package if it exists. - module *packagesinternal.Module + Module *Module +} + +// Module provides module information for a package. +type Module struct { + Path string // module path + Version string // module version + Replace *Module // replaced by this module + Time *time.Time // time version was created + Main bool // is this the main module? + Indirect bool // is this module only an indirect dependency of main module? + Dir string // directory holding files for this module, if any + GoMod string // path to go.mod file used when loading this module, if any + GoVersion string // go version used in module + Error *ModuleError // error loading module +} + +// ModuleError holds errors loading a module. +type ModuleError struct { + Err string // the error itself } func init() { packagesinternal.GetForTest = func(p interface{}) string { return p.(*Package).forTest } - packagesinternal.GetModule = func(p interface{}) *packagesinternal.Module { - return p.(*Package).module + packagesinternal.GetGoCmdRunner = func(config interface{}) *gocommand.Runner { + return config.(*Config).gocmdRunner } + packagesinternal.SetGoCmdRunner = func(config interface{}, runner *gocommand.Runner) { + config.(*Config).gocmdRunner = runner + } + packagesinternal.TypecheckCgo = int(typecheckCgo) } // An Error describes a problem with a package's metadata, syntax, or types. @@ -473,6 +524,9 @@ func newLoader(cfg *Config) *loader { if ld.Config.Env == nil { ld.Config.Env = os.Environ() } + if ld.Config.gocmdRunner == nil { + ld.Config.gocmdRunner = &gocommand.Runner{} + } if ld.Context == nil { ld.Context = context.Background() } @@ -690,6 +744,9 @@ func (ld *loader) refine(roots []string, list ...*Package) ([]*Package, error) { if ld.requestedMode&NeedTypesSizes == 0 { ld.pkgs[i].TypesSizes = nil } + if ld.requestedMode&NeedModule == 0 { + ld.pkgs[i].Module = nil + } } return result, nil @@ -865,6 +922,15 @@ func (ld *loader) loadPackage(lpkg *loaderPackage) { Error: appendError, Sizes: ld.sizes, } + if (ld.Mode & typecheckCgo) != 0 { + if !typesinternal.SetUsesCgo(tc) { + appendError(Error{ + Msg: "typecheckCgo requires Go 1.15+", + Kind: ListError, + }) + return + } + } types.NewChecker(tc, ld.Fset, lpkg.Types, lpkg.TypesInfo).Files(lpkg.Syntax) lpkg.importErrors = nil // no longer needed diff --git a/vendor/golang.org/x/tools/go/types/objectpath/objectpath.go b/vendor/golang.org/x/tools/go/types/objectpath/objectpath.go index 882e3b3d8..cffd7acbe 100644 --- a/vendor/golang.org/x/tools/go/types/objectpath/objectpath.go +++ b/vendor/golang.org/x/tools/go/types/objectpath/objectpath.go @@ -226,7 +226,8 @@ func For(obj types.Object) (Path, error) { // the best paths because non-types may // refer to types, but not the reverse. empty := make([]byte, 0, 48) // initial space - for _, name := range scope.Names() { + names := scope.Names() + for _, name := range names { o := scope.Lookup(name) tname, ok := o.(*types.TypeName) if !ok { @@ -253,7 +254,7 @@ func For(obj types.Object) (Path, error) { // Then inspect everything else: // non-types, and declared methods of defined types. - for _, name := range scope.Names() { + for _, name := range names { o := scope.Lookup(name) path := append(empty, name...) if _, ok := o.(*types.TypeName); !ok { diff --git a/vendor/golang.org/x/tools/imports/forward.go b/vendor/golang.org/x/tools/imports/forward.go index dbe5b49a9..a4e40adba 100644 --- a/vendor/golang.org/x/tools/imports/forward.go +++ b/vendor/golang.org/x/tools/imports/forward.go @@ -3,10 +3,10 @@ package imports // import "golang.org/x/tools/imports" import ( - "go/build" + "io/ioutil" "log" - "os" + "golang.org/x/tools/internal/gocommand" intimp "golang.org/x/tools/internal/imports" ) @@ -31,31 +31,34 @@ var Debug = false var LocalPrefix string // Process formats and adjusts imports for the provided file. -// If opt is nil the defaults are used. +// If opt is nil the defaults are used, and if src is nil the source +// is read from the filesystem. // // Note that filename's directory influences which imports can be chosen, // so it is important that filename be accurate. // To process data ``as if'' it were in filename, pass the data as a non-nil src. func Process(filename string, src []byte, opt *Options) ([]byte, error) { + var err error + if src == nil { + src, err = ioutil.ReadFile(filename) + if err != nil { + return nil, err + } + } if opt == nil { opt = &Options{Comments: true, TabIndent: true, TabWidth: 8} } intopt := &intimp.Options{ Env: &intimp.ProcessEnv{ - GOPATH: build.Default.GOPATH, - GOROOT: build.Default.GOROOT, - GOFLAGS: os.Getenv("GOFLAGS"), - GO111MODULE: os.Getenv("GO111MODULE"), - GOPROXY: os.Getenv("GOPROXY"), - GOSUMDB: os.Getenv("GOSUMDB"), - LocalPrefix: LocalPrefix, + GocmdRunner: &gocommand.Runner{}, }, - AllErrors: opt.AllErrors, - Comments: opt.Comments, - FormatOnly: opt.FormatOnly, - Fragment: opt.Fragment, - TabIndent: opt.TabIndent, - TabWidth: opt.TabWidth, + LocalPrefix: LocalPrefix, + AllErrors: opt.AllErrors, + Comments: opt.Comments, + FormatOnly: opt.FormatOnly, + Fragment: opt.Fragment, + TabIndent: opt.TabIndent, + TabWidth: opt.TabWidth, } if Debug { intopt.Env.Logf = log.Printf diff --git a/vendor/golang.org/x/tools/internal/analysisinternal/analysis.go b/vendor/golang.org/x/tools/internal/analysisinternal/analysis.go new file mode 100644 index 000000000..e25f4a409 --- /dev/null +++ b/vendor/golang.org/x/tools/internal/analysisinternal/analysis.go @@ -0,0 +1,421 @@ +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Package analysisinternal exposes internal-only fields from go/analysis. +package analysisinternal + +import ( + "bytes" + "fmt" + "go/ast" + "go/token" + "go/types" + "strings" + + "golang.org/x/tools/go/ast/astutil" + "golang.org/x/tools/internal/lsp/fuzzy" +) + +var ( + GetTypeErrors func(p interface{}) []types.Error + SetTypeErrors func(p interface{}, errors []types.Error) +) + +func TypeErrorEndPos(fset *token.FileSet, src []byte, start token.Pos) token.Pos { + // Get the end position for the type error. + offset, end := fset.PositionFor(start, false).Offset, start + if offset >= len(src) { + return end + } + if width := bytes.IndexAny(src[offset:], " \n,():;[]+-*"); width > 0 { + end = start + token.Pos(width) + } + return end +} + +func ZeroValue(fset *token.FileSet, f *ast.File, pkg *types.Package, typ types.Type) ast.Expr { + under := typ + if n, ok := typ.(*types.Named); ok { + under = n.Underlying() + } + switch u := under.(type) { + case *types.Basic: + switch { + case u.Info()&types.IsNumeric != 0: + return &ast.BasicLit{Kind: token.INT, Value: "0"} + case u.Info()&types.IsBoolean != 0: + return &ast.Ident{Name: "false"} + case u.Info()&types.IsString != 0: + return &ast.BasicLit{Kind: token.STRING, Value: `""`} + default: + panic("unknown basic type") + } + case *types.Chan, *types.Interface, *types.Map, *types.Pointer, *types.Signature, *types.Slice, *types.Array: + return ast.NewIdent("nil") + case *types.Struct: + texpr := TypeExpr(fset, f, pkg, typ) // typ because we want the name here. + if texpr == nil { + return nil + } + return &ast.CompositeLit{ + Type: texpr, + } + } + return nil +} + +// IsZeroValue checks whether the given expression is a 'zero value' (as determined by output of +// analysisinternal.ZeroValue) +func IsZeroValue(expr ast.Expr) bool { + switch e := expr.(type) { + case *ast.BasicLit: + return e.Value == "0" || e.Value == `""` + case *ast.Ident: + return e.Name == "nil" || e.Name == "false" + default: + return false + } +} + +func TypeExpr(fset *token.FileSet, f *ast.File, pkg *types.Package, typ types.Type) ast.Expr { + switch t := typ.(type) { + case *types.Basic: + switch t.Kind() { + case types.UnsafePointer: + return &ast.SelectorExpr{X: ast.NewIdent("unsafe"), Sel: ast.NewIdent("Pointer")} + default: + return ast.NewIdent(t.Name()) + } + case *types.Pointer: + x := TypeExpr(fset, f, pkg, t.Elem()) + if x == nil { + return nil + } + return &ast.UnaryExpr{ + Op: token.MUL, + X: x, + } + case *types.Array: + elt := TypeExpr(fset, f, pkg, t.Elem()) + if elt == nil { + return nil + } + return &ast.ArrayType{ + Len: &ast.BasicLit{ + Kind: token.INT, + Value: fmt.Sprintf("%d", t.Len()), + }, + Elt: elt, + } + case *types.Slice: + elt := TypeExpr(fset, f, pkg, t.Elem()) + if elt == nil { + return nil + } + return &ast.ArrayType{ + Elt: elt, + } + case *types.Map: + key := TypeExpr(fset, f, pkg, t.Key()) + value := TypeExpr(fset, f, pkg, t.Elem()) + if key == nil || value == nil { + return nil + } + return &ast.MapType{ + Key: key, + Value: value, + } + case *types.Chan: + dir := ast.ChanDir(t.Dir()) + if t.Dir() == types.SendRecv { + dir = ast.SEND | ast.RECV + } + value := TypeExpr(fset, f, pkg, t.Elem()) + if value == nil { + return nil + } + return &ast.ChanType{ + Dir: dir, + Value: value, + } + case *types.Signature: + var params []*ast.Field + for i := 0; i < t.Params().Len(); i++ { + p := TypeExpr(fset, f, pkg, t.Params().At(i).Type()) + if p == nil { + return nil + } + params = append(params, &ast.Field{ + Type: p, + Names: []*ast.Ident{ + { + Name: t.Params().At(i).Name(), + }, + }, + }) + } + var returns []*ast.Field + for i := 0; i < t.Results().Len(); i++ { + r := TypeExpr(fset, f, pkg, t.Results().At(i).Type()) + if r == nil { + return nil + } + returns = append(returns, &ast.Field{ + Type: r, + }) + } + return &ast.FuncType{ + Params: &ast.FieldList{ + List: params, + }, + Results: &ast.FieldList{ + List: returns, + }, + } + case *types.Named: + if t.Obj().Pkg() == nil { + return ast.NewIdent(t.Obj().Name()) + } + if t.Obj().Pkg() == pkg { + return ast.NewIdent(t.Obj().Name()) + } + pkgName := t.Obj().Pkg().Name() + // If the file already imports the package under another name, use that. + for _, group := range astutil.Imports(fset, f) { + for _, cand := range group { + if strings.Trim(cand.Path.Value, `"`) == t.Obj().Pkg().Path() { + if cand.Name != nil && cand.Name.Name != "" { + pkgName = cand.Name.Name + } + } + } + } + if pkgName == "." { + return ast.NewIdent(t.Obj().Name()) + } + return &ast.SelectorExpr{ + X: ast.NewIdent(pkgName), + Sel: ast.NewIdent(t.Obj().Name()), + } + default: + return nil // TODO: anonymous structs, but who does that + } +} + +type TypeErrorPass string + +const ( + NoNewVars TypeErrorPass = "nonewvars" + NoResultValues TypeErrorPass = "noresultvalues" + UndeclaredName TypeErrorPass = "undeclaredname" +) + +// StmtToInsertVarBefore returns the ast.Stmt before which we can safely insert a new variable. +// Some examples: +// +// Basic Example: +// z := 1 +// y := z + x +// If x is undeclared, then this function would return `y := z + x`, so that we +// can insert `x := ` on the line before `y := z + x`. +// +// If stmt example: +// if z == 1 { +// } else if z == y {} +// If y is undeclared, then this function would return `if z == 1 {`, because we cannot +// insert a statement between an if and an else if statement. As a result, we need to find +// the top of the if chain to insert `y := ` before. +func StmtToInsertVarBefore(path []ast.Node) ast.Stmt { + enclosingIndex := -1 + for i, p := range path { + if _, ok := p.(ast.Stmt); ok { + enclosingIndex = i + break + } + } + if enclosingIndex == -1 { + return nil + } + enclosingStmt := path[enclosingIndex] + switch enclosingStmt.(type) { + case *ast.IfStmt: + // The enclosingStmt is inside of the if declaration, + // We need to check if we are in an else-if stmt and + // get the base if statement. + return baseIfStmt(path, enclosingIndex) + case *ast.CaseClause: + // Get the enclosing switch stmt if the enclosingStmt is + // inside of the case statement. + for i := enclosingIndex + 1; i < len(path); i++ { + if node, ok := path[i].(*ast.SwitchStmt); ok { + return node + } else if node, ok := path[i].(*ast.TypeSwitchStmt); ok { + return node + } + } + } + if len(path) <= enclosingIndex+1 { + return enclosingStmt.(ast.Stmt) + } + // Check if the enclosing statement is inside another node. + switch expr := path[enclosingIndex+1].(type) { + case *ast.IfStmt: + // Get the base if statement. + return baseIfStmt(path, enclosingIndex+1) + case *ast.ForStmt: + if expr.Init == enclosingStmt || expr.Post == enclosingStmt { + return expr + } + } + return enclosingStmt.(ast.Stmt) +} + +// baseIfStmt walks up the if/else-if chain until we get to +// the top of the current if chain. +func baseIfStmt(path []ast.Node, index int) ast.Stmt { + stmt := path[index] + for i := index + 1; i < len(path); i++ { + if node, ok := path[i].(*ast.IfStmt); ok && node.Else == stmt { + stmt = node + continue + } + break + } + return stmt.(ast.Stmt) +} + +// WalkASTWithParent walks the AST rooted at n. The semantics are +// similar to ast.Inspect except it does not call f(nil). +func WalkASTWithParent(n ast.Node, f func(n ast.Node, parent ast.Node) bool) { + var ancestors []ast.Node + ast.Inspect(n, func(n ast.Node) (recurse bool) { + if n == nil { + ancestors = ancestors[:len(ancestors)-1] + return false + } + + var parent ast.Node + if len(ancestors) > 0 { + parent = ancestors[len(ancestors)-1] + } + ancestors = append(ancestors, n) + return f(n, parent) + }) +} + +// FindMatchingIdents finds all identifiers in 'node' that match any of the given types. +// 'pos' represents the position at which the identifiers may be inserted. 'pos' must be within +// the scope of each of identifier we select. Otherwise, we will insert a variable at 'pos' that +// is unrecognized. +func FindMatchingIdents(typs []types.Type, node ast.Node, pos token.Pos, info *types.Info, pkg *types.Package) map[types.Type][]*ast.Ident { + matches := map[types.Type][]*ast.Ident{} + // Initialize matches to contain the variable types we are searching for. + for _, typ := range typs { + if typ == nil { + continue + } + matches[typ] = []*ast.Ident{} + } + seen := map[types.Object]struct{}{} + ast.Inspect(node, func(n ast.Node) bool { + if n == nil { + return false + } + // Prevent circular definitions. If 'pos' is within an assignment statement, do not + // allow any identifiers in that assignment statement to be selected. Otherwise, + // we could do the following, where 'x' satisfies the type of 'f0': + // + // x := fakeStruct{f0: x} + // + assignment, ok := n.(*ast.AssignStmt) + if ok && pos > assignment.Pos() && pos <= assignment.End() { + return false + } + if n.End() > pos { + return n.Pos() <= pos + } + ident, ok := n.(*ast.Ident) + if !ok || ident.Name == "_" { + return true + } + obj := info.Defs[ident] + if obj == nil || obj.Type() == nil { + return true + } + if _, ok := obj.(*types.TypeName); ok { + return true + } + // Prevent duplicates in matches' values. + if _, ok = seen[obj]; ok { + return true + } + seen[obj] = struct{}{} + // Find the scope for the given position. Then, check whether the object + // exists within the scope. + innerScope := pkg.Scope().Innermost(pos) + if innerScope == nil { + return true + } + _, foundObj := innerScope.LookupParent(ident.Name, pos) + if foundObj != obj { + return true + } + // The object must match one of the types that we are searching for. + if idents, ok := matches[obj.Type()]; ok { + matches[obj.Type()] = append(idents, ast.NewIdent(ident.Name)) + } + // If the object type does not exactly match any of the target types, greedily + // find the first target type that the object type can satisfy. + for typ := range matches { + if obj.Type() == typ { + continue + } + if equivalentTypes(obj.Type(), typ) { + matches[typ] = append(matches[typ], ast.NewIdent(ident.Name)) + } + } + return true + }) + return matches +} + +func equivalentTypes(want, got types.Type) bool { + if want == got || types.Identical(want, got) { + return true + } + // Code segment to help check for untyped equality from (golang/go#32146). + if rhs, ok := want.(*types.Basic); ok && rhs.Info()&types.IsUntyped > 0 { + if lhs, ok := got.Underlying().(*types.Basic); ok { + return rhs.Info()&types.IsConstType == lhs.Info()&types.IsConstType + } + } + return types.AssignableTo(want, got) +} + +// FindBestMatch employs fuzzy matching to evaluate the similarity of each given identifier to the +// given pattern. We return the identifier whose name is most similar to the pattern. +func FindBestMatch(pattern string, idents []*ast.Ident) ast.Expr { + fuzz := fuzzy.NewMatcher(pattern) + var bestFuzz ast.Expr + highScore := float32(-1) // minimum score is -1 (no match) + for _, ident := range idents { + // TODO: Improve scoring algorithm. + score := fuzz.Score(ident.Name) + if score > highScore { + highScore = score + bestFuzz = ident + } else if score == -1 { + // Order matters in the fuzzy matching algorithm. If we find no match + // when matching the target to the identifier, try matching the identifier + // to the target. + revFuzz := fuzzy.NewMatcher(ident.Name) + revScore := revFuzz.Score(pattern) + if revScore > highScore { + highScore = revScore + bestFuzz = ident + } + } + } + return bestFuzz +} diff --git a/vendor/golang.org/x/tools/internal/event/core/event.go b/vendor/golang.org/x/tools/internal/event/core/event.go new file mode 100644 index 000000000..e37b49491 --- /dev/null +++ b/vendor/golang.org/x/tools/internal/event/core/event.go @@ -0,0 +1,85 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Package core provides support for event based telemetry. +package core + +import ( + "fmt" + "time" + + "golang.org/x/tools/internal/event/label" +) + +// Event holds the information about an event of note that ocurred. +type Event struct { + at time.Time + + // As events are often on the stack, storing the first few labels directly + // in the event can avoid an allocation at all for the very common cases of + // simple events. + // The length needs to be large enough to cope with the majority of events + // but no so large as to cause undue stack pressure. + // A log message with two values will use 3 labels (one for each value and + // one for the message itself). + + static [3]label.Label // inline storage for the first few labels + dynamic []label.Label // dynamically sized storage for remaining labels +} + +// eventLabelMap implements label.Map for a the labels of an Event. +type eventLabelMap struct { + event Event +} + +func (ev Event) At() time.Time { return ev.at } + +func (ev Event) Format(f fmt.State, r rune) { + if !ev.at.IsZero() { + fmt.Fprint(f, ev.at.Format("2006/01/02 15:04:05 ")) + } + for index := 0; ev.Valid(index); index++ { + if l := ev.Label(index); l.Valid() { + fmt.Fprintf(f, "\n\t%v", l) + } + } +} + +func (ev Event) Valid(index int) bool { + return index >= 0 && index < len(ev.static)+len(ev.dynamic) +} + +func (ev Event) Label(index int) label.Label { + if index < len(ev.static) { + return ev.static[index] + } + return ev.dynamic[index-len(ev.static)] +} + +func (ev Event) Find(key label.Key) label.Label { + for _, l := range ev.static { + if l.Key() == key { + return l + } + } + for _, l := range ev.dynamic { + if l.Key() == key { + return l + } + } + return label.Label{} +} + +func MakeEvent(static [3]label.Label, labels []label.Label) Event { + return Event{ + static: static, + dynamic: labels, + } +} + +// CloneEvent event returns a copy of the event with the time adjusted to at. +func CloneEvent(ev Event, at time.Time) Event { + ev.at = at + return ev +} diff --git a/vendor/golang.org/x/tools/internal/event/core/export.go b/vendor/golang.org/x/tools/internal/event/core/export.go new file mode 100644 index 000000000..05f3a9a57 --- /dev/null +++ b/vendor/golang.org/x/tools/internal/event/core/export.go @@ -0,0 +1,70 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package core + +import ( + "context" + "sync/atomic" + "time" + "unsafe" + + "golang.org/x/tools/internal/event/label" +) + +// Exporter is a function that handles events. +// It may return a modified context and event. +type Exporter func(context.Context, Event, label.Map) context.Context + +var ( + exporter unsafe.Pointer +) + +// SetExporter sets the global exporter function that handles all events. +// The exporter is called synchronously from the event call site, so it should +// return quickly so as not to hold up user code. +func SetExporter(e Exporter) { + p := unsafe.Pointer(&e) + if e == nil { + // &e is always valid, and so p is always valid, but for the early abort + // of ProcessEvent to be efficient it needs to make the nil check on the + // pointer without having to dereference it, so we make the nil function + // also a nil pointer + p = nil + } + atomic.StorePointer(&exporter, p) +} + +// deliver is called to deliver an event to the supplied exporter. +// it will fill in the time. +func deliver(ctx context.Context, exporter Exporter, ev Event) context.Context { + // add the current time to the event + ev.at = time.Now() + // hand the event off to the current exporter + return exporter(ctx, ev, ev) +} + +// Export is called to deliver an event to the global exporter if set. +func Export(ctx context.Context, ev Event) context.Context { + // get the global exporter and abort early if there is not one + exporterPtr := (*Exporter)(atomic.LoadPointer(&exporter)) + if exporterPtr == nil { + return ctx + } + return deliver(ctx, *exporterPtr, ev) +} + +// ExportPair is called to deliver a start event to the supplied exporter. +// It also returns a function that will deliver the end event to the same +// exporter. +// It will fill in the time. +func ExportPair(ctx context.Context, begin, end Event) (context.Context, func()) { + // get the global exporter and abort early if there is not one + exporterPtr := (*Exporter)(atomic.LoadPointer(&exporter)) + if exporterPtr == nil { + return ctx, func() {} + } + ctx = deliver(ctx, *exporterPtr, begin) + return ctx, func() { deliver(ctx, *exporterPtr, end) } +} diff --git a/vendor/golang.org/x/tools/internal/event/core/fast.go b/vendor/golang.org/x/tools/internal/event/core/fast.go new file mode 100644 index 000000000..06c1d4615 --- /dev/null +++ b/vendor/golang.org/x/tools/internal/event/core/fast.go @@ -0,0 +1,77 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package core + +import ( + "context" + + "golang.org/x/tools/internal/event/keys" + "golang.org/x/tools/internal/event/label" +) + +// Log1 takes a message and one label delivers a log event to the exporter. +// It is a customized version of Print that is faster and does no allocation. +func Log1(ctx context.Context, message string, t1 label.Label) { + Export(ctx, MakeEvent([3]label.Label{ + keys.Msg.Of(message), + t1, + }, nil)) +} + +// Log2 takes a message and two labels and delivers a log event to the exporter. +// It is a customized version of Print that is faster and does no allocation. +func Log2(ctx context.Context, message string, t1 label.Label, t2 label.Label) { + Export(ctx, MakeEvent([3]label.Label{ + keys.Msg.Of(message), + t1, + t2, + }, nil)) +} + +// Metric1 sends a label event to the exporter with the supplied labels. +func Metric1(ctx context.Context, t1 label.Label) context.Context { + return Export(ctx, MakeEvent([3]label.Label{ + keys.Metric.New(), + t1, + }, nil)) +} + +// Metric2 sends a label event to the exporter with the supplied labels. +func Metric2(ctx context.Context, t1, t2 label.Label) context.Context { + return Export(ctx, MakeEvent([3]label.Label{ + keys.Metric.New(), + t1, + t2, + }, nil)) +} + +// Start1 sends a span start event with the supplied label list to the exporter. +// It also returns a function that will end the span, which should normally be +// deferred. +func Start1(ctx context.Context, name string, t1 label.Label) (context.Context, func()) { + return ExportPair(ctx, + MakeEvent([3]label.Label{ + keys.Start.Of(name), + t1, + }, nil), + MakeEvent([3]label.Label{ + keys.End.New(), + }, nil)) +} + +// Start2 sends a span start event with the supplied label list to the exporter. +// It also returns a function that will end the span, which should normally be +// deferred. +func Start2(ctx context.Context, name string, t1, t2 label.Label) (context.Context, func()) { + return ExportPair(ctx, + MakeEvent([3]label.Label{ + keys.Start.Of(name), + t1, + t2, + }, nil), + MakeEvent([3]label.Label{ + keys.End.New(), + }, nil)) +} diff --git a/vendor/golang.org/x/tools/internal/event/doc.go b/vendor/golang.org/x/tools/internal/event/doc.go new file mode 100644 index 000000000..5dc6e6bab --- /dev/null +++ b/vendor/golang.org/x/tools/internal/event/doc.go @@ -0,0 +1,7 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Package event provides a set of packages that cover the main +// concepts of telemetry in an implementation agnostic way. +package event diff --git a/vendor/golang.org/x/tools/internal/event/event.go b/vendor/golang.org/x/tools/internal/event/event.go new file mode 100644 index 000000000..4d55e577d --- /dev/null +++ b/vendor/golang.org/x/tools/internal/event/event.go @@ -0,0 +1,127 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package event + +import ( + "context" + + "golang.org/x/tools/internal/event/core" + "golang.org/x/tools/internal/event/keys" + "golang.org/x/tools/internal/event/label" +) + +// Exporter is a function that handles events. +// It may return a modified context and event. +type Exporter func(context.Context, core.Event, label.Map) context.Context + +// SetExporter sets the global exporter function that handles all events. +// The exporter is called synchronously from the event call site, so it should +// return quickly so as not to hold up user code. +func SetExporter(e Exporter) { + core.SetExporter(core.Exporter(e)) +} + +// Log takes a message and a label list and combines them into a single event +// before delivering them to the exporter. +func Log(ctx context.Context, message string, labels ...label.Label) { + core.Export(ctx, core.MakeEvent([3]label.Label{ + keys.Msg.Of(message), + }, labels)) +} + +// IsLog returns true if the event was built by the Log function. +// It is intended to be used in exporters to identify the semantics of the +// event when deciding what to do with it. +func IsLog(ev core.Event) bool { + return ev.Label(0).Key() == keys.Msg +} + +// Error takes a message and a label list and combines them into a single event +// before delivering them to the exporter. It captures the error in the +// delivered event. +func Error(ctx context.Context, message string, err error, labels ...label.Label) { + core.Export(ctx, core.MakeEvent([3]label.Label{ + keys.Msg.Of(message), + keys.Err.Of(err), + }, labels)) +} + +// IsError returns true if the event was built by the Error function. +// It is intended to be used in exporters to identify the semantics of the +// event when deciding what to do with it. +func IsError(ev core.Event) bool { + return ev.Label(0).Key() == keys.Msg && + ev.Label(1).Key() == keys.Err +} + +// Metric sends a label event to the exporter with the supplied labels. +func Metric(ctx context.Context, labels ...label.Label) { + core.Export(ctx, core.MakeEvent([3]label.Label{ + keys.Metric.New(), + }, labels)) +} + +// IsMetric returns true if the event was built by the Metric function. +// It is intended to be used in exporters to identify the semantics of the +// event when deciding what to do with it. +func IsMetric(ev core.Event) bool { + return ev.Label(0).Key() == keys.Metric +} + +// Label sends a label event to the exporter with the supplied labels. +func Label(ctx context.Context, labels ...label.Label) context.Context { + return core.Export(ctx, core.MakeEvent([3]label.Label{ + keys.Label.New(), + }, labels)) +} + +// IsLabel returns true if the event was built by the Label function. +// It is intended to be used in exporters to identify the semantics of the +// event when deciding what to do with it. +func IsLabel(ev core.Event) bool { + return ev.Label(0).Key() == keys.Label +} + +// Start sends a span start event with the supplied label list to the exporter. +// It also returns a function that will end the span, which should normally be +// deferred. +func Start(ctx context.Context, name string, labels ...label.Label) (context.Context, func()) { + return core.ExportPair(ctx, + core.MakeEvent([3]label.Label{ + keys.Start.Of(name), + }, labels), + core.MakeEvent([3]label.Label{ + keys.End.New(), + }, nil)) +} + +// IsStart returns true if the event was built by the Start function. +// It is intended to be used in exporters to identify the semantics of the +// event when deciding what to do with it. +func IsStart(ev core.Event) bool { + return ev.Label(0).Key() == keys.Start +} + +// IsEnd returns true if the event was built by the End function. +// It is intended to be used in exporters to identify the semantics of the +// event when deciding what to do with it. +func IsEnd(ev core.Event) bool { + return ev.Label(0).Key() == keys.End +} + +// Detach returns a context without an associated span. +// This allows the creation of spans that are not children of the current span. +func Detach(ctx context.Context) context.Context { + return core.Export(ctx, core.MakeEvent([3]label.Label{ + keys.Detach.New(), + }, nil)) +} + +// IsDetach returns true if the event was built by the Detach function. +// It is intended to be used in exporters to identify the semantics of the +// event when deciding what to do with it. +func IsDetach(ev core.Event) bool { + return ev.Label(0).Key() == keys.Detach +} diff --git a/vendor/golang.org/x/tools/internal/event/keys/keys.go b/vendor/golang.org/x/tools/internal/event/keys/keys.go new file mode 100644 index 000000000..a02206e30 --- /dev/null +++ b/vendor/golang.org/x/tools/internal/event/keys/keys.go @@ -0,0 +1,564 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package keys + +import ( + "fmt" + "io" + "math" + "strconv" + + "golang.org/x/tools/internal/event/label" +) + +// Value represents a key for untyped values. +type Value struct { + name string + description string +} + +// New creates a new Key for untyped values. +func New(name, description string) *Value { + return &Value{name: name, description: description} +} + +func (k *Value) Name() string { return k.name } +func (k *Value) Description() string { return k.description } + +func (k *Value) Format(w io.Writer, buf []byte, l label.Label) { + fmt.Fprint(w, k.From(l)) +} + +// Get can be used to get a label for the key from a label.Map. +func (k *Value) Get(lm label.Map) interface{} { + if t := lm.Find(k); t.Valid() { + return k.From(t) + } + return nil +} + +// From can be used to get a value from a Label. +func (k *Value) From(t label.Label) interface{} { return t.UnpackValue() } + +// Of creates a new Label with this key and the supplied value. +func (k *Value) Of(value interface{}) label.Label { return label.OfValue(k, value) } + +// Tag represents a key for tagging labels that have no value. +// These are used when the existence of the label is the entire information it +// carries, such as marking events to be of a specific kind, or from a specific +// package. +type Tag struct { + name string + description string +} + +// NewTag creates a new Key for tagging labels. +func NewTag(name, description string) *Tag { + return &Tag{name: name, description: description} +} + +func (k *Tag) Name() string { return k.name } +func (k *Tag) Description() string { return k.description } + +func (k *Tag) Format(w io.Writer, buf []byte, l label.Label) {} + +// New creates a new Label with this key. +func (k *Tag) New() label.Label { return label.OfValue(k, nil) } + +// Int represents a key +type Int struct { + name string + description string +} + +// NewInt creates a new Key for int values. +func NewInt(name, description string) *Int { + return &Int{name: name, description: description} +} + +func (k *Int) Name() string { return k.name } +func (k *Int) Description() string { return k.description } + +func (k *Int) Format(w io.Writer, buf []byte, l label.Label) { + w.Write(strconv.AppendInt(buf, int64(k.From(l)), 10)) +} + +// Of creates a new Label with this key and the supplied value. +func (k *Int) Of(v int) label.Label { return label.Of64(k, uint64(v)) } + +// Get can be used to get a label for the key from a label.Map. +func (k *Int) Get(lm label.Map) int { + if t := lm.Find(k); t.Valid() { + return k.From(t) + } + return 0 +} + +// From can be used to get a value from a Label. +func (k *Int) From(t label.Label) int { return int(t.Unpack64()) } + +// Int8 represents a key +type Int8 struct { + name string + description string +} + +// NewInt8 creates a new Key for int8 values. +func NewInt8(name, description string) *Int8 { + return &Int8{name: name, description: description} +} + +func (k *Int8) Name() string { return k.name } +func (k *Int8) Description() string { return k.description } + +func (k *Int8) Format(w io.Writer, buf []byte, l label.Label) { + w.Write(strconv.AppendInt(buf, int64(k.From(l)), 10)) +} + +// Of creates a new Label with this key and the supplied value. +func (k *Int8) Of(v int8) label.Label { return label.Of64(k, uint64(v)) } + +// Get can be used to get a label for the key from a label.Map. +func (k *Int8) Get(lm label.Map) int8 { + if t := lm.Find(k); t.Valid() { + return k.From(t) + } + return 0 +} + +// From can be used to get a value from a Label. +func (k *Int8) From(t label.Label) int8 { return int8(t.Unpack64()) } + +// Int16 represents a key +type Int16 struct { + name string + description string +} + +// NewInt16 creates a new Key for int16 values. +func NewInt16(name, description string) *Int16 { + return &Int16{name: name, description: description} +} + +func (k *Int16) Name() string { return k.name } +func (k *Int16) Description() string { return k.description } + +func (k *Int16) Format(w io.Writer, buf []byte, l label.Label) { + w.Write(strconv.AppendInt(buf, int64(k.From(l)), 10)) +} + +// Of creates a new Label with this key and the supplied value. +func (k *Int16) Of(v int16) label.Label { return label.Of64(k, uint64(v)) } + +// Get can be used to get a label for the key from a label.Map. +func (k *Int16) Get(lm label.Map) int16 { + if t := lm.Find(k); t.Valid() { + return k.From(t) + } + return 0 +} + +// From can be used to get a value from a Label. +func (k *Int16) From(t label.Label) int16 { return int16(t.Unpack64()) } + +// Int32 represents a key +type Int32 struct { + name string + description string +} + +// NewInt32 creates a new Key for int32 values. +func NewInt32(name, description string) *Int32 { + return &Int32{name: name, description: description} +} + +func (k *Int32) Name() string { return k.name } +func (k *Int32) Description() string { return k.description } + +func (k *Int32) Format(w io.Writer, buf []byte, l label.Label) { + w.Write(strconv.AppendInt(buf, int64(k.From(l)), 10)) +} + +// Of creates a new Label with this key and the supplied value. +func (k *Int32) Of(v int32) label.Label { return label.Of64(k, uint64(v)) } + +// Get can be used to get a label for the key from a label.Map. +func (k *Int32) Get(lm label.Map) int32 { + if t := lm.Find(k); t.Valid() { + return k.From(t) + } + return 0 +} + +// From can be used to get a value from a Label. +func (k *Int32) From(t label.Label) int32 { return int32(t.Unpack64()) } + +// Int64 represents a key +type Int64 struct { + name string + description string +} + +// NewInt64 creates a new Key for int64 values. +func NewInt64(name, description string) *Int64 { + return &Int64{name: name, description: description} +} + +func (k *Int64) Name() string { return k.name } +func (k *Int64) Description() string { return k.description } + +func (k *Int64) Format(w io.Writer, buf []byte, l label.Label) { + w.Write(strconv.AppendInt(buf, k.From(l), 10)) +} + +// Of creates a new Label with this key and the supplied value. +func (k *Int64) Of(v int64) label.Label { return label.Of64(k, uint64(v)) } + +// Get can be used to get a label for the key from a label.Map. +func (k *Int64) Get(lm label.Map) int64 { + if t := lm.Find(k); t.Valid() { + return k.From(t) + } + return 0 +} + +// From can be used to get a value from a Label. +func (k *Int64) From(t label.Label) int64 { return int64(t.Unpack64()) } + +// UInt represents a key +type UInt struct { + name string + description string +} + +// NewUInt creates a new Key for uint values. +func NewUInt(name, description string) *UInt { + return &UInt{name: name, description: description} +} + +func (k *UInt) Name() string { return k.name } +func (k *UInt) Description() string { return k.description } + +func (k *UInt) Format(w io.Writer, buf []byte, l label.Label) { + w.Write(strconv.AppendUint(buf, uint64(k.From(l)), 10)) +} + +// Of creates a new Label with this key and the supplied value. +func (k *UInt) Of(v uint) label.Label { return label.Of64(k, uint64(v)) } + +// Get can be used to get a label for the key from a label.Map. +func (k *UInt) Get(lm label.Map) uint { + if t := lm.Find(k); t.Valid() { + return k.From(t) + } + return 0 +} + +// From can be used to get a value from a Label. +func (k *UInt) From(t label.Label) uint { return uint(t.Unpack64()) } + +// UInt8 represents a key +type UInt8 struct { + name string + description string +} + +// NewUInt8 creates a new Key for uint8 values. +func NewUInt8(name, description string) *UInt8 { + return &UInt8{name: name, description: description} +} + +func (k *UInt8) Name() string { return k.name } +func (k *UInt8) Description() string { return k.description } + +func (k *UInt8) Format(w io.Writer, buf []byte, l label.Label) { + w.Write(strconv.AppendUint(buf, uint64(k.From(l)), 10)) +} + +// Of creates a new Label with this key and the supplied value. +func (k *UInt8) Of(v uint8) label.Label { return label.Of64(k, uint64(v)) } + +// Get can be used to get a label for the key from a label.Map. +func (k *UInt8) Get(lm label.Map) uint8 { + if t := lm.Find(k); t.Valid() { + return k.From(t) + } + return 0 +} + +// From can be used to get a value from a Label. +func (k *UInt8) From(t label.Label) uint8 { return uint8(t.Unpack64()) } + +// UInt16 represents a key +type UInt16 struct { + name string + description string +} + +// NewUInt16 creates a new Key for uint16 values. +func NewUInt16(name, description string) *UInt16 { + return &UInt16{name: name, description: description} +} + +func (k *UInt16) Name() string { return k.name } +func (k *UInt16) Description() string { return k.description } + +func (k *UInt16) Format(w io.Writer, buf []byte, l label.Label) { + w.Write(strconv.AppendUint(buf, uint64(k.From(l)), 10)) +} + +// Of creates a new Label with this key and the supplied value. +func (k *UInt16) Of(v uint16) label.Label { return label.Of64(k, uint64(v)) } + +// Get can be used to get a label for the key from a label.Map. +func (k *UInt16) Get(lm label.Map) uint16 { + if t := lm.Find(k); t.Valid() { + return k.From(t) + } + return 0 +} + +// From can be used to get a value from a Label. +func (k *UInt16) From(t label.Label) uint16 { return uint16(t.Unpack64()) } + +// UInt32 represents a key +type UInt32 struct { + name string + description string +} + +// NewUInt32 creates a new Key for uint32 values. +func NewUInt32(name, description string) *UInt32 { + return &UInt32{name: name, description: description} +} + +func (k *UInt32) Name() string { return k.name } +func (k *UInt32) Description() string { return k.description } + +func (k *UInt32) Format(w io.Writer, buf []byte, l label.Label) { + w.Write(strconv.AppendUint(buf, uint64(k.From(l)), 10)) +} + +// Of creates a new Label with this key and the supplied value. +func (k *UInt32) Of(v uint32) label.Label { return label.Of64(k, uint64(v)) } + +// Get can be used to get a label for the key from a label.Map. +func (k *UInt32) Get(lm label.Map) uint32 { + if t := lm.Find(k); t.Valid() { + return k.From(t) + } + return 0 +} + +// From can be used to get a value from a Label. +func (k *UInt32) From(t label.Label) uint32 { return uint32(t.Unpack64()) } + +// UInt64 represents a key +type UInt64 struct { + name string + description string +} + +// NewUInt64 creates a new Key for uint64 values. +func NewUInt64(name, description string) *UInt64 { + return &UInt64{name: name, description: description} +} + +func (k *UInt64) Name() string { return k.name } +func (k *UInt64) Description() string { return k.description } + +func (k *UInt64) Format(w io.Writer, buf []byte, l label.Label) { + w.Write(strconv.AppendUint(buf, k.From(l), 10)) +} + +// Of creates a new Label with this key and the supplied value. +func (k *UInt64) Of(v uint64) label.Label { return label.Of64(k, v) } + +// Get can be used to get a label for the key from a label.Map. +func (k *UInt64) Get(lm label.Map) uint64 { + if t := lm.Find(k); t.Valid() { + return k.From(t) + } + return 0 +} + +// From can be used to get a value from a Label. +func (k *UInt64) From(t label.Label) uint64 { return t.Unpack64() } + +// Float32 represents a key +type Float32 struct { + name string + description string +} + +// NewFloat32 creates a new Key for float32 values. +func NewFloat32(name, description string) *Float32 { + return &Float32{name: name, description: description} +} + +func (k *Float32) Name() string { return k.name } +func (k *Float32) Description() string { return k.description } + +func (k *Float32) Format(w io.Writer, buf []byte, l label.Label) { + w.Write(strconv.AppendFloat(buf, float64(k.From(l)), 'E', -1, 32)) +} + +// Of creates a new Label with this key and the supplied value. +func (k *Float32) Of(v float32) label.Label { + return label.Of64(k, uint64(math.Float32bits(v))) +} + +// Get can be used to get a label for the key from a label.Map. +func (k *Float32) Get(lm label.Map) float32 { + if t := lm.Find(k); t.Valid() { + return k.From(t) + } + return 0 +} + +// From can be used to get a value from a Label. +func (k *Float32) From(t label.Label) float32 { + return math.Float32frombits(uint32(t.Unpack64())) +} + +// Float64 represents a key +type Float64 struct { + name string + description string +} + +// NewFloat64 creates a new Key for int64 values. +func NewFloat64(name, description string) *Float64 { + return &Float64{name: name, description: description} +} + +func (k *Float64) Name() string { return k.name } +func (k *Float64) Description() string { return k.description } + +func (k *Float64) Format(w io.Writer, buf []byte, l label.Label) { + w.Write(strconv.AppendFloat(buf, k.From(l), 'E', -1, 64)) +} + +// Of creates a new Label with this key and the supplied value. +func (k *Float64) Of(v float64) label.Label { + return label.Of64(k, math.Float64bits(v)) +} + +// Get can be used to get a label for the key from a label.Map. +func (k *Float64) Get(lm label.Map) float64 { + if t := lm.Find(k); t.Valid() { + return k.From(t) + } + return 0 +} + +// From can be used to get a value from a Label. +func (k *Float64) From(t label.Label) float64 { + return math.Float64frombits(t.Unpack64()) +} + +// String represents a key +type String struct { + name string + description string +} + +// NewString creates a new Key for int64 values. +func NewString(name, description string) *String { + return &String{name: name, description: description} +} + +func (k *String) Name() string { return k.name } +func (k *String) Description() string { return k.description } + +func (k *String) Format(w io.Writer, buf []byte, l label.Label) { + w.Write(strconv.AppendQuote(buf, k.From(l))) +} + +// Of creates a new Label with this key and the supplied value. +func (k *String) Of(v string) label.Label { return label.OfString(k, v) } + +// Get can be used to get a label for the key from a label.Map. +func (k *String) Get(lm label.Map) string { + if t := lm.Find(k); t.Valid() { + return k.From(t) + } + return "" +} + +// From can be used to get a value from a Label. +func (k *String) From(t label.Label) string { return t.UnpackString() } + +// Boolean represents a key +type Boolean struct { + name string + description string +} + +// NewBoolean creates a new Key for bool values. +func NewBoolean(name, description string) *Boolean { + return &Boolean{name: name, description: description} +} + +func (k *Boolean) Name() string { return k.name } +func (k *Boolean) Description() string { return k.description } + +func (k *Boolean) Format(w io.Writer, buf []byte, l label.Label) { + w.Write(strconv.AppendBool(buf, k.From(l))) +} + +// Of creates a new Label with this key and the supplied value. +func (k *Boolean) Of(v bool) label.Label { + if v { + return label.Of64(k, 1) + } + return label.Of64(k, 0) +} + +// Get can be used to get a label for the key from a label.Map. +func (k *Boolean) Get(lm label.Map) bool { + if t := lm.Find(k); t.Valid() { + return k.From(t) + } + return false +} + +// From can be used to get a value from a Label. +func (k *Boolean) From(t label.Label) bool { return t.Unpack64() > 0 } + +// Error represents a key +type Error struct { + name string + description string +} + +// NewError creates a new Key for int64 values. +func NewError(name, description string) *Error { + return &Error{name: name, description: description} +} + +func (k *Error) Name() string { return k.name } +func (k *Error) Description() string { return k.description } + +func (k *Error) Format(w io.Writer, buf []byte, l label.Label) { + io.WriteString(w, k.From(l).Error()) +} + +// Of creates a new Label with this key and the supplied value. +func (k *Error) Of(v error) label.Label { return label.OfValue(k, v) } + +// Get can be used to get a label for the key from a label.Map. +func (k *Error) Get(lm label.Map) error { + if t := lm.Find(k); t.Valid() { + return k.From(t) + } + return nil +} + +// From can be used to get a value from a Label. +func (k *Error) From(t label.Label) error { + err, _ := t.UnpackValue().(error) + return err +} diff --git a/vendor/golang.org/x/tools/internal/event/keys/standard.go b/vendor/golang.org/x/tools/internal/event/keys/standard.go new file mode 100644 index 000000000..7e9586659 --- /dev/null +++ b/vendor/golang.org/x/tools/internal/event/keys/standard.go @@ -0,0 +1,22 @@ +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package keys + +var ( + // Msg is a key used to add message strings to label lists. + Msg = NewString("message", "a readable message") + // Label is a key used to indicate an event adds labels to the context. + Label = NewTag("label", "a label context marker") + // Start is used for things like traces that have a name. + Start = NewString("start", "span start") + // Metric is a key used to indicate an event records metrics. + End = NewTag("end", "a span end marker") + // Metric is a key used to indicate an event records metrics. + Detach = NewTag("detach", "a span detach marker") + // Err is a key used to add error values to label lists. + Err = NewError("error", "an error that occurred") + // Metric is a key used to indicate an event records metrics. + Metric = NewTag("metric", "a metric event marker") +) diff --git a/vendor/golang.org/x/tools/internal/event/label/label.go b/vendor/golang.org/x/tools/internal/event/label/label.go new file mode 100644 index 000000000..b55c12eb2 --- /dev/null +++ b/vendor/golang.org/x/tools/internal/event/label/label.go @@ -0,0 +1,213 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package label + +import ( + "fmt" + "io" + "reflect" + "unsafe" +) + +// Key is used as the identity of a Label. +// Keys are intended to be compared by pointer only, the name should be unique +// for communicating with external systems, but it is not required or enforced. +type Key interface { + // Name returns the key name. + Name() string + // Description returns a string that can be used to describe the value. + Description() string + + // Format is used in formatting to append the value of the label to the + // supplied buffer. + // The formatter may use the supplied buf as a scratch area to avoid + // allocations. + Format(w io.Writer, buf []byte, l Label) +} + +// Label holds a key and value pair. +// It is normally used when passing around lists of labels. +type Label struct { + key Key + packed uint64 + untyped interface{} +} + +// Map is the interface to a collection of Labels indexed by key. +type Map interface { + // Find returns the label that matches the supplied key. + Find(key Key) Label +} + +// List is the interface to something that provides an iterable +// list of labels. +// Iteration should start from 0 and continue until Valid returns false. +type List interface { + // Valid returns true if the index is within range for the list. + // It does not imply the label at that index will itself be valid. + Valid(index int) bool + // Label returns the label at the given index. + Label(index int) Label +} + +// list implements LabelList for a list of Labels. +type list struct { + labels []Label +} + +// filter wraps a LabelList filtering out specific labels. +type filter struct { + keys []Key + underlying List +} + +// listMap implements LabelMap for a simple list of labels. +type listMap struct { + labels []Label +} + +// mapChain implements LabelMap for a list of underlying LabelMap. +type mapChain struct { + maps []Map +} + +// OfValue creates a new label from the key and value. +// This method is for implementing new key types, label creation should +// normally be done with the Of method of the key. +func OfValue(k Key, value interface{}) Label { return Label{key: k, untyped: value} } + +// UnpackValue assumes the label was built using LabelOfValue and returns the value +// that was passed to that constructor. +// This method is for implementing new key types, for type safety normal +// access should be done with the From method of the key. +func (t Label) UnpackValue() interface{} { return t.untyped } + +// Of64 creates a new label from a key and a uint64. This is often +// used for non uint64 values that can be packed into a uint64. +// This method is for implementing new key types, label creation should +// normally be done with the Of method of the key. +func Of64(k Key, v uint64) Label { return Label{key: k, packed: v} } + +// Unpack64 assumes the label was built using LabelOf64 and returns the value that +// was passed to that constructor. +// This method is for implementing new key types, for type safety normal +// access should be done with the From method of the key. +func (t Label) Unpack64() uint64 { return t.packed } + +// OfString creates a new label from a key and a string. +// This method is for implementing new key types, label creation should +// normally be done with the Of method of the key. +func OfString(k Key, v string) Label { + hdr := (*reflect.StringHeader)(unsafe.Pointer(&v)) + return Label{ + key: k, + packed: uint64(hdr.Len), + untyped: unsafe.Pointer(hdr.Data), + } +} + +// UnpackString assumes the label was built using LabelOfString and returns the +// value that was passed to that constructor. +// This method is for implementing new key types, for type safety normal +// access should be done with the From method of the key. +func (t Label) UnpackString() string { + var v string + hdr := (*reflect.StringHeader)(unsafe.Pointer(&v)) + hdr.Data = uintptr(t.untyped.(unsafe.Pointer)) + hdr.Len = int(t.packed) + return *(*string)(unsafe.Pointer(hdr)) +} + +// Valid returns true if the Label is a valid one (it has a key). +func (t Label) Valid() bool { return t.key != nil } + +// Key returns the key of this Label. +func (t Label) Key() Key { return t.key } + +// Format is used for debug printing of labels. +func (t Label) Format(f fmt.State, r rune) { + if !t.Valid() { + io.WriteString(f, `nil`) + return + } + io.WriteString(f, t.Key().Name()) + io.WriteString(f, "=") + var buf [128]byte + t.Key().Format(f, buf[:0], t) +} + +func (l *list) Valid(index int) bool { + return index >= 0 && index < len(l.labels) +} + +func (l *list) Label(index int) Label { + return l.labels[index] +} + +func (f *filter) Valid(index int) bool { + return f.underlying.Valid(index) +} + +func (f *filter) Label(index int) Label { + l := f.underlying.Label(index) + for _, f := range f.keys { + if l.Key() == f { + return Label{} + } + } + return l +} + +func (lm listMap) Find(key Key) Label { + for _, l := range lm.labels { + if l.Key() == key { + return l + } + } + return Label{} +} + +func (c mapChain) Find(key Key) Label { + for _, src := range c.maps { + l := src.Find(key) + if l.Valid() { + return l + } + } + return Label{} +} + +var emptyList = &list{} + +func NewList(labels ...Label) List { + if len(labels) == 0 { + return emptyList + } + return &list{labels: labels} +} + +func Filter(l List, keys ...Key) List { + if len(keys) == 0 { + return l + } + return &filter{keys: keys, underlying: l} +} + +func NewMap(labels ...Label) Map { + return listMap{labels: labels} +} + +func MergeMaps(srcs ...Map) Map { + var nonNil []Map + for _, src := range srcs { + if src != nil { + nonNil = append(nonNil, src) + } + } + if len(nonNil) == 1 { + return nonNil[0] + } + return mapChain{maps: nonNil} +} diff --git a/vendor/golang.org/x/tools/internal/gocommand/invoke.go b/vendor/golang.org/x/tools/internal/gocommand/invoke.go index 468db4010..f516e1762 100644 --- a/vendor/golang.org/x/tools/internal/gocommand/invoke.go +++ b/vendor/golang.org/x/tools/internal/gocommand/invoke.go @@ -1,3 +1,7 @@ +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + // Package gocommand is a helper for calling the go command. package gocommand @@ -8,10 +12,119 @@ import ( "io" "os" "os/exec" + "regexp" "strings" + "sync" "time" + + "golang.org/x/tools/internal/event" ) +// An Runner will run go command invocations and serialize +// them if it sees a concurrency error. +type Runner struct { + // once guards the runner initialization. + once sync.Once + + // inFlight tracks available workers. + inFlight chan struct{} + + // serialized guards the ability to run a go command serially, + // to avoid deadlocks when claiming workers. + serialized chan struct{} +} + +const maxInFlight = 10 + +func (runner *Runner) initialize() { + runner.once.Do(func() { + runner.inFlight = make(chan struct{}, maxInFlight) + runner.serialized = make(chan struct{}, 1) + }) +} + +// 1.13: go: updates to go.mod needed, but contents have changed +// 1.14: go: updating go.mod: existing contents have changed since last read +var modConcurrencyError = regexp.MustCompile(`go:.*go.mod.*contents have changed`) + +// Run is a convenience wrapper around RunRaw. +// It returns only stdout and a "friendly" error. +func (runner *Runner) Run(ctx context.Context, inv Invocation) (*bytes.Buffer, error) { + stdout, _, friendly, _ := runner.RunRaw(ctx, inv) + return stdout, friendly +} + +// RunPiped runs the invocation serially, always waiting for any concurrent +// invocations to complete first. +func (runner *Runner) RunPiped(ctx context.Context, inv Invocation, stdout, stderr io.Writer) error { + _, err := runner.runPiped(ctx, inv, stdout, stderr) + return err +} + +// RunRaw runs the invocation, serializing requests only if they fight over +// go.mod changes. +func (runner *Runner) RunRaw(ctx context.Context, inv Invocation) (*bytes.Buffer, *bytes.Buffer, error, error) { + // Make sure the runner is always initialized. + runner.initialize() + + // First, try to run the go command concurrently. + stdout, stderr, friendlyErr, err := runner.runConcurrent(ctx, inv) + + // If we encounter a load concurrency error, we need to retry serially. + if friendlyErr == nil || !modConcurrencyError.MatchString(friendlyErr.Error()) { + return stdout, stderr, friendlyErr, err + } + event.Error(ctx, "Load concurrency error, will retry serially", err) + + // Run serially by calling runPiped. + stdout.Reset() + stderr.Reset() + friendlyErr, err = runner.runPiped(ctx, inv, stdout, stderr) + return stdout, stderr, friendlyErr, err +} + +func (runner *Runner) runConcurrent(ctx context.Context, inv Invocation) (*bytes.Buffer, *bytes.Buffer, error, error) { + // Wait for 1 worker to become available. + select { + case <-ctx.Done(): + return nil, nil, nil, ctx.Err() + case runner.inFlight <- struct{}{}: + defer func() { <-runner.inFlight }() + } + + stdout, stderr := &bytes.Buffer{}, &bytes.Buffer{} + friendlyErr, err := inv.runWithFriendlyError(ctx, stdout, stderr) + return stdout, stderr, friendlyErr, err +} + +func (runner *Runner) runPiped(ctx context.Context, inv Invocation, stdout, stderr io.Writer) (error, error) { + // Make sure the runner is always initialized. + runner.initialize() + + // Acquire the serialization lock. This avoids deadlocks between two + // runPiped commands. + select { + case <-ctx.Done(): + return nil, ctx.Err() + case runner.serialized <- struct{}{}: + defer func() { <-runner.serialized }() + } + + // Wait for all in-progress go commands to return before proceeding, + // to avoid load concurrency errors. + for i := 0; i < maxInFlight; i++ { + select { + case <-ctx.Done(): + return nil, ctx.Err() + case runner.inFlight <- struct{}{}: + // Make sure we always "return" any workers we took. + defer func() { <-runner.inFlight }() + } + } + + return inv.runWithFriendlyError(ctx, stdout, stderr) +} + // An Invocation represents a call to the go command. type Invocation struct { Verb string @@ -22,20 +135,10 @@ type Invocation struct { Logf func(format string, args ...interface{}) } -// Run runs the invocation, returning its stdout and an error suitable for -// human consumption, including stderr. -func (i *Invocation) Run(ctx context.Context) (*bytes.Buffer, error) { - stdout, _, friendly, _ := i.RunRaw(ctx) - return stdout, friendly -} - -// RunRaw is like RunPiped, but also returns the raw stderr and error for callers -// that want to do low-level error handling/recovery. -func (i *Invocation) RunRaw(ctx context.Context) (stdout *bytes.Buffer, stderr *bytes.Buffer, friendlyError error, rawError error) { - stdout = &bytes.Buffer{} - stderr = &bytes.Buffer{} - rawError = i.RunPiped(ctx, stdout, stderr) +func (i *Invocation) runWithFriendlyError(ctx context.Context, stdout, stderr io.Writer) (friendlyError error, rawError error) { + rawError = i.run(ctx, stdout, stderr) if rawError != nil { + friendlyError = rawError // Check for 'go' executable not being found. if ee, ok := rawError.(*exec.Error); ok && ee.Err == exec.ErrNotFound { friendlyError = fmt.Errorf("go command required, not found: %v", ee) @@ -43,13 +146,12 @@ func (i *Invocation) RunRaw(ctx context.Context) (stdout *bytes.Buffer, stderr * if ctx.Err() != nil { friendlyError = ctx.Err() } - friendlyError = fmt.Errorf("err: %v: stderr: %s", rawError, stderr) + friendlyError = fmt.Errorf("err: %v: stderr: %s", friendlyError, stderr) } return } -// RunPiped is like Run, but relies on the given stdout/stderr -func (i *Invocation) RunPiped(ctx context.Context, stdout, stderr io.Writer) error { +func (i *Invocation) run(ctx context.Context, stdout, stderr io.Writer) error { log := i.Logf if log == nil { log = func(string, ...interface{}) {} @@ -78,9 +180,11 @@ func (i *Invocation) RunPiped(ctx context.Context, stdout, stderr io.Writer) err // The Go stdlib has a special feature where if the cwd and the PWD are the // same node then it trusts the PWD, so by setting it in the env for the child // process we fix up all the paths returned by the go command. - cmd.Env = append(append([]string{}, i.Env...), "PWD="+i.WorkingDir) - cmd.Dir = i.WorkingDir - + cmd.Env = append(os.Environ(), i.Env...) + if i.WorkingDir != "" { + cmd.Env = append(cmd.Env, "PWD="+i.WorkingDir) + cmd.Dir = i.WorkingDir + } defer func(start time.Time) { log("%s for %v", time.Since(start), cmdDebugStr(cmd)) }(time.Now()) return runCmdContext(ctx, cmd) diff --git a/vendor/golang.org/x/tools/internal/gocommand/vendor.go b/vendor/golang.org/x/tools/internal/gocommand/vendor.go new file mode 100644 index 000000000..1cd8d8473 --- /dev/null +++ b/vendor/golang.org/x/tools/internal/gocommand/vendor.go @@ -0,0 +1,102 @@ +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package gocommand + +import ( + "bytes" + "context" + "fmt" + "os" + "path/filepath" + "regexp" + "strings" + + "golang.org/x/mod/semver" +) + +// ModuleJSON holds information about a module. +type ModuleJSON struct { + Path string // module path + Replace *ModuleJSON // replaced by this module + Main bool // is this the main module? + Indirect bool // is this module only an indirect dependency of main module? + Dir string // directory holding files for this module, if any + GoMod string // path to go.mod file for this module, if any + GoVersion string // go version used in module +} + +var modFlagRegexp = regexp.MustCompile(`-mod[ =](\w+)`) + +// VendorEnabled reports whether vendoring is enabled. It takes a *Runner to execute Go commands +// with the supplied context.Context and Invocation. The Invocation can contain pre-defined fields, +// of which only Verb and Args are modified to run the appropriate Go command. +// Inspired by setDefaultBuildMod in modload/init.go +func VendorEnabled(ctx context.Context, inv Invocation, r *Runner) (*ModuleJSON, bool, error) { + mainMod, go114, err := getMainModuleAnd114(ctx, inv, r) + if err != nil { + return nil, false, err + } + + // We check the GOFLAGS to see if there is anything overridden or not. + inv.Verb = "env" + inv.Args = []string{"GOFLAGS"} + stdout, err := r.Run(ctx, inv) + if err != nil { + return nil, false, err + } + goflags := string(bytes.TrimSpace(stdout.Bytes())) + matches := modFlagRegexp.FindStringSubmatch(goflags) + var modFlag string + if len(matches) != 0 { + modFlag = matches[1] + } + if modFlag != "" { + // Don't override an explicit '-mod=' argument. + return mainMod, modFlag == "vendor", nil + } + if mainMod == nil || !go114 { + return mainMod, false, nil + } + // Check 1.14's automatic vendor mode. + if fi, err := os.Stat(filepath.Join(mainMod.Dir, "vendor")); err == nil && fi.IsDir() { + if mainMod.GoVersion != "" && semver.Compare("v"+mainMod.GoVersion, "v1.14") >= 0 { + // The Go version is at least 1.14, and a vendor directory exists. + // Set -mod=vendor by default. + return mainMod, true, nil + } + } + return mainMod, false, nil +} + +// getMainModuleAnd114 gets the main module's information and whether the +// go command in use is 1.14+. This is the information needed to figure out +// if vendoring should be enabled. +func getMainModuleAnd114(ctx context.Context, inv Invocation, r *Runner) (*ModuleJSON, bool, error) { + const format = `{{.Path}} +{{.Dir}} +{{.GoMod}} +{{.GoVersion}} +{{range context.ReleaseTags}}{{if eq . "go1.14"}}{{.}}{{end}}{{end}} +` + inv.Verb = "list" + inv.Args = []string{"-m", "-f", format} + stdout, err := r.Run(ctx, inv) + if err != nil { + return nil, false, err + } + + lines := strings.Split(stdout.String(), "\n") + if len(lines) < 5 { + return nil, false, fmt.Errorf("unexpected stdout: %q", stdout.String()) + } + mod := &ModuleJSON{ + Path: lines[0], + Dir: lines[1], + GoMod: lines[2], + GoVersion: lines[3], + Main: true, + } + return mod, lines[4] == "go1.14", nil +} diff --git a/vendor/golang.org/x/tools/internal/gopathwalk/walk.go b/vendor/golang.org/x/tools/internal/gopathwalk/walk.go index 390cb9db7..925ff5356 100644 --- a/vendor/golang.org/x/tools/internal/gopathwalk/walk.go +++ b/vendor/golang.org/x/tools/internal/gopathwalk/walk.go @@ -10,7 +10,6 @@ import ( "bufio" "bytes" "fmt" - "go/build" "io/ioutil" "log" "os" @@ -47,16 +46,6 @@ type Root struct { Type RootType } -// SrcDirsRoots returns the roots from build.Default.SrcDirs(). Not modules-compatible. -func SrcDirsRoots(ctx *build.Context) []Root { - var roots []Root - roots = append(roots, Root{filepath.Join(ctx.GOROOT, "src"), RootGOROOT}) - for _, p := range filepath.SplitList(ctx.GOPATH) { - roots = append(roots, Root{filepath.Join(p, "src"), RootGOPATH}) - } - return roots -} - // Walk walks Go source directories ($GOROOT, $GOPATH, etc) to find packages. // For each package found, add will be called (concurrently) with the absolute // paths of the containing source directory and the package directory. diff --git a/vendor/golang.org/x/tools/internal/imports/fix.go b/vendor/golang.org/x/tools/internal/imports/fix.go index 92a23439f..0cb09e26a 100644 --- a/vendor/golang.org/x/tools/internal/imports/fix.go +++ b/vendor/golang.org/x/tools/internal/imports/fix.go @@ -7,6 +7,7 @@ package imports import ( "bytes" "context" + "encoding/json" "fmt" "go/ast" "go/build" @@ -31,35 +32,36 @@ import ( // importToGroup is a list of functions which map from an import path to // a group number. -var importToGroup = []func(env *ProcessEnv, importPath string) (num int, ok bool){ - func(env *ProcessEnv, importPath string) (num int, ok bool) { - if env.LocalPrefix == "" { +var importToGroup = []func(localPrefix, importPath string) (num int, ok bool){ + func(localPrefix, importPath string) (num int, ok bool) { + if localPrefix == "" { return } - for _, p := range strings.Split(env.LocalPrefix, ",") { + for _, p := range strings.Split(localPrefix, ",") { if strings.HasPrefix(importPath, p) || strings.TrimSuffix(p, "/") == importPath { return 3, true } } return }, - func(_ *ProcessEnv, importPath string) (num int, ok bool) { + func(_, importPath string) (num int, ok bool) { if strings.HasPrefix(importPath, "appengine") { return 2, true } return }, - func(_ *ProcessEnv, importPath string) (num int, ok bool) { - if strings.Contains(importPath, ".") { + func(_, importPath string) (num int, ok bool) { + firstComponent := strings.Split(importPath, "/")[0] + if strings.Contains(firstComponent, ".") { return 1, true } return }, } -func importGroup(env *ProcessEnv, importPath string) int { +func importGroup(localPrefix, importPath string) int { for _, fn := range importToGroup { - if n, ok := fn(env, importPath); ok { + if n, ok := fn(localPrefix, importPath); ok { return n } } @@ -276,7 +278,12 @@ func (p *pass) loadPackageNames(imports []*ImportInfo) error { unknown = append(unknown, imp.ImportPath) } - names, err := p.env.GetResolver().loadPackageNames(unknown, p.srcDir) + resolver, err := p.env.GetResolver() + if err != nil { + return err + } + + names, err := resolver.loadPackageNames(unknown, p.srcDir) if err != nil { return err } @@ -566,7 +573,9 @@ func getFixes(fset *token.FileSet, f *ast.File, filename string, env *ProcessEnv return fixes, nil } - addStdlibCandidates(p, p.missingRefs) + if err := addStdlibCandidates(p, p.missingRefs); err != nil { + return nil, err + } p.assumeSiblingImportsValid() if fixes, done := p.fix(); done { return fixes, nil @@ -594,10 +603,14 @@ func getCandidatePkgs(ctx context.Context, wrappedCallback *scanCallback, filena notSelf := func(p *pkg) bool { return p.packageName != filePkg || p.dir != filepath.Dir(filename) } + goenv, err := env.goEnv() + if err != nil { + return err + } // Start off with the standard library. for importPath, exports := range stdlib { p := &pkg{ - dir: filepath.Join(env.GOROOT, "src", importPath), + dir: filepath.Join(goenv["GOROOT"], "src", importPath), importPathShort: importPath, packageName: path.Base(importPath), relevance: MaxRelevance, @@ -638,15 +651,23 @@ func getCandidatePkgs(ctx context.Context, wrappedCallback *scanCallback, filena wrappedCallback.exportsLoaded(pkg, exports) }, } - return env.GetResolver().scan(ctx, scanFilter) + resolver, err := env.GetResolver() + if err != nil { + return err + } + return resolver.scan(ctx, scanFilter) } -func ScoreImportPaths(ctx context.Context, env *ProcessEnv, paths []string) map[string]int { +func ScoreImportPaths(ctx context.Context, env *ProcessEnv, paths []string) (map[string]int, error) { result := make(map[string]int) + resolver, err := env.GetResolver() + if err != nil { + return nil, err + } for _, path := range paths { - result[path] = env.GetResolver().scoreImportPath(ctx, path) + result[path] = resolver.scoreImportPath(ctx, path) } - return result + return result, nil } func PrimeCache(ctx context.Context, env *ProcessEnv) error { @@ -672,8 +693,9 @@ func candidateImportName(pkg *pkg) string { return "" } -// getAllCandidates gets all of the candidates to be imported, regardless of if they are needed. -func getAllCandidates(ctx context.Context, wrapped func(ImportFix), searchPrefix, filename, filePkg string, env *ProcessEnv) error { +// GetAllCandidates gets all of the packages starting with prefix that can be +// imported by filename, sorted by import path. +func GetAllCandidates(ctx context.Context, wrapped func(ImportFix), searchPrefix, filename, filePkg string, env *ProcessEnv) error { callback := &scanCallback{ rootFound: func(gopathwalk.Root) bool { return true @@ -712,7 +734,8 @@ type PackageExport struct { Exports []string } -func getPackageExports(ctx context.Context, wrapped func(PackageExport), searchPkg, filename, filePkg string, env *ProcessEnv) error { +// GetPackageExports returns all known packages with name pkg and their exports. +func GetPackageExports(ctx context.Context, wrapped func(PackageExport), searchPkg, filename, filePkg string, env *ProcessEnv) error { callback := &scanCallback{ rootFound: func(gopathwalk.Root) bool { return true @@ -742,67 +765,126 @@ func getPackageExports(ctx context.Context, wrapped func(PackageExport), searchP return getCandidatePkgs(ctx, callback, filename, filePkg, env) } +var RequiredGoEnvVars = []string{"GO111MODULE", "GOFLAGS", "GOINSECURE", "GOMOD", "GOMODCACHE", "GONOPROXY", "GONOSUMDB", "GOPATH", "GOPROXY", "GOROOT", "GOSUMDB"} + // ProcessEnv contains environment variables and settings that affect the use of // the go command, the go/build package, etc. type ProcessEnv struct { - LocalPrefix string + GocmdRunner *gocommand.Runner BuildFlags []string - // If non-empty, these will be used instead of the - // process-wide values. - GOPATH, GOROOT, GO111MODULE, GOPROXY, GOFLAGS, GOSUMDB string - WorkingDir string + // Env overrides the OS environment, and can be used to specify + // GOPROXY, GO111MODULE, etc. PATH cannot be set here, because + // exec.Command will not honor it. + // Specifying all of RequiredGoEnvVars avoids a call to `go env`. + Env map[string]string + + WorkingDir string // If Logf is non-nil, debug logging is enabled through this function. Logf func(format string, args ...interface{}) + initialized bool + resolver Resolver } +func (e *ProcessEnv) goEnv() (map[string]string, error) { + if err := e.init(); err != nil { + return nil, err + } + return e.Env, nil +} + +func (e *ProcessEnv) matchFile(dir, name string) (bool, error) { + return build.Default.MatchFile(dir, name) +} + // CopyConfig copies the env's configuration into a new env. func (e *ProcessEnv) CopyConfig() *ProcessEnv { - copy := *e - copy.resolver = nil - return © + copy := &ProcessEnv{ + GocmdRunner: e.GocmdRunner, + initialized: e.initialized, + BuildFlags: e.BuildFlags, + Logf: e.Logf, + WorkingDir: e.WorkingDir, + resolver: nil, + Env: map[string]string{}, + } + for k, v := range e.Env { + copy.Env[k] = v + } + return copy } -func (e *ProcessEnv) env() []string { - env := os.Environ() - add := func(k, v string) { - if v != "" { - env = append(env, k+"="+v) +func (e *ProcessEnv) init() error { + if e.initialized { + return nil + } + + foundAllRequired := true + for _, k := range RequiredGoEnvVars { + if _, ok := e.Env[k]; !ok { + foundAllRequired = false + break } } - add("GOPATH", e.GOPATH) - add("GOROOT", e.GOROOT) - add("GO111MODULE", e.GO111MODULE) - add("GOPROXY", e.GOPROXY) - add("GOFLAGS", e.GOFLAGS) - add("GOSUMDB", e.GOSUMDB) - if e.WorkingDir != "" { - add("PWD", e.WorkingDir) + if foundAllRequired { + e.initialized = true + return nil + } + + if e.Env == nil { + e.Env = map[string]string{} + } + + goEnv := map[string]string{} + stdout, err := e.invokeGo(context.TODO(), "env", append([]string{"-json"}, RequiredGoEnvVars...)...) + if err != nil { + return err + } + if err := json.Unmarshal(stdout.Bytes(), &goEnv); err != nil { + return err + } + for k, v := range goEnv { + e.Env[k] = v + } + e.initialized = true + return nil +} + +func (e *ProcessEnv) env() []string { + var env []string // the gocommand package will prepend os.Environ. + for k, v := range e.Env { + env = append(env, k+"="+v) } return env } -func (e *ProcessEnv) GetResolver() Resolver { +func (e *ProcessEnv) GetResolver() (Resolver, error) { if e.resolver != nil { - return e.resolver + return e.resolver, nil } - out, err := e.invokeGo(context.TODO(), "env", "GOMOD") - if err != nil || len(bytes.TrimSpace(out.Bytes())) == 0 { + if err := e.init(); err != nil { + return nil, err + } + if len(e.Env["GOMOD"]) == 0 { e.resolver = newGopathResolver(e) - return e.resolver + return e.resolver, nil } e.resolver = newModuleResolver(e) - return e.resolver + return e.resolver, nil } -func (e *ProcessEnv) buildContext() *build.Context { +func (e *ProcessEnv) buildContext() (*build.Context, error) { ctx := build.Default - ctx.GOROOT = e.GOROOT - ctx.GOPATH = e.GOPATH + goenv, err := e.goEnv() + if err != nil { + return nil, err + } + ctx.GOROOT = goenv["GOROOT"] + ctx.GOPATH = goenv["GOPATH"] // As of Go 1.14, build.Context has a Dir field // (see golang.org/issue/34860). @@ -818,7 +900,7 @@ func (e *ProcessEnv) buildContext() *build.Context { dir.SetString(e.WorkingDir) } - return &ctx + return &ctx, nil } func (e *ProcessEnv) invokeGo(ctx context.Context, verb string, args ...string) (*bytes.Buffer, error) { @@ -830,13 +912,17 @@ func (e *ProcessEnv) invokeGo(ctx context.Context, verb string, args ...string) Logf: e.Logf, WorkingDir: e.WorkingDir, } - return inv.Run(ctx) + return e.GocmdRunner.Run(ctx, inv) } -func addStdlibCandidates(pass *pass, refs references) { +func addStdlibCandidates(pass *pass, refs references) error { + goenv, err := pass.env.goEnv() + if err != nil { + return err + } add := func(pkg string) { // Prevent self-imports. - if path.Base(pkg) == pass.f.Name.Name && filepath.Join(pass.env.GOROOT, "src", pkg) == pass.srcDir { + if path.Base(pkg) == pass.f.Name.Name && filepath.Join(goenv["GOROOT"], "src", pkg) == pass.srcDir { return } exports := copyExports(stdlib[pkg]) @@ -857,6 +943,7 @@ func addStdlibCandidates(pass *pass, refs references) { } } } + return nil } // A Resolver does the build-system-specific parts of goimports. @@ -921,10 +1008,13 @@ func addExternalCandidates(pass *pass, refs references, filename string) error { return false // We'll do our own loading after we sort. }, } - err := pass.env.GetResolver().scan(context.Background(), callback) + resolver, err := pass.env.GetResolver() if err != nil { return err } + if err = resolver.scan(context.Background(), callback); err != nil { + return err + } // Search for imports matching potential package references. type result struct { @@ -1050,21 +1140,24 @@ func (r *gopathResolver) ClearForNewScan() { func (r *gopathResolver) loadPackageNames(importPaths []string, srcDir string) (map[string]string, error) { names := map[string]string{} + bctx, err := r.env.buildContext() + if err != nil { + return nil, err + } for _, path := range importPaths { - names[path] = importPathToName(r.env, path, srcDir) + names[path] = importPathToName(bctx, path, srcDir) } return names, nil } // importPathToName finds out the actual package name, as declared in its .go files. -// If there's a problem, it returns "". -func importPathToName(env *ProcessEnv, importPath, srcDir string) (packageName string) { +func importPathToName(bctx *build.Context, importPath, srcDir string) string { // Fast path for standard library without going to disk. if _, ok := stdlib[importPath]; ok { return path.Base(importPath) // stdlib packages always match their paths. } - buildPkg, err := env.buildContext().Import(importPath, srcDir, build.FindOnly) + buildPkg, err := bctx.Import(importPath, srcDir, build.FindOnly) if err != nil { return "" } @@ -1225,8 +1318,18 @@ func (r *gopathResolver) scan(ctx context.Context, callback *scanCallback) error } stop := r.cache.ScanAndListen(ctx, processDir) defer stop() + + goenv, err := r.env.goEnv() + if err != nil { + return err + } + var roots []gopathwalk.Root + roots = append(roots, gopathwalk.Root{filepath.Join(goenv["GOROOT"], "src"), gopathwalk.RootGOROOT}) + for _, p := range filepath.SplitList(goenv["GOPATH"]) { + roots = append(roots, gopathwalk.Root{filepath.Join(p, "src"), gopathwalk.RootGOPATH}) + } // The callback is not necessarily safe to use in the goroutine below. Process roots eagerly. - roots := filterRoots(gopathwalk.SrcDirsRoots(r.env.buildContext()), callback.rootFound) + roots = filterRoots(roots, callback.rootFound) // We can't cancel walks, because we need them to finish to have a usable // cache. Instead, run them in a separate goroutine and detach. scanDone := make(chan struct{}) @@ -1286,8 +1389,6 @@ func VendorlessPath(ipath string) string { } func loadExportsFromFiles(ctx context.Context, env *ProcessEnv, dir string, includeTest bool) (string, []string, error) { - var exports []string - // Look for non-test, buildable .go files which could provide exports. all, err := ioutil.ReadDir(dir) if err != nil { @@ -1299,7 +1400,7 @@ func loadExportsFromFiles(ctx context.Context, env *ProcessEnv, dir string, incl if !strings.HasSuffix(name, ".go") || (!includeTest && strings.HasSuffix(name, "_test.go")) { continue } - match, err := env.buildContext().MatchFile(dir, fi.Name()) + match, err := env.matchFile(dir, fi.Name()) if err != nil || !match { continue } @@ -1311,6 +1412,7 @@ func loadExportsFromFiles(ctx context.Context, env *ProcessEnv, dir string, incl } var pkgName string + var exports []string fset := token.NewFileSet() for _, fi := range files { select { @@ -1322,7 +1424,10 @@ func loadExportsFromFiles(ctx context.Context, env *ProcessEnv, dir string, incl fullFile := filepath.Join(dir, fi.Name()) f, err := parser.ParseFile(fset, fullFile, nil, 0) if err != nil { - return "", nil, fmt.Errorf("parsing %s: %v", fullFile, err) + if env.Logf != nil { + env.Logf("error parsing %v: %v", fullFile, err) + } + continue } if f.Name.Name == "documentation" { // Special case from go/build.ImportDir, not @@ -1362,6 +1467,10 @@ func findImport(ctx context.Context, pass *pass, candidates []pkgDistance, pkgNa pass.env.Logf("%s candidate %d/%d: %v in %v", pkgName, i+1, len(candidates), c.pkg.importPathShort, c.pkg.dir) } } + resolver, err := pass.env.GetResolver() + if err != nil { + return nil, err + } // Collect exports for packages with matching names. rescv := make([]chan *pkg, len(candidates)) @@ -1400,7 +1509,7 @@ func findImport(ctx context.Context, pass *pass, candidates []pkgDistance, pkgNa } // If we're an x_test, load the package under test's test variant. includeTest := strings.HasSuffix(pass.f.Name.Name, "_test") && c.pkg.dir == pass.srcDir - _, exports, err := pass.env.GetResolver().loadExports(ctx, c.pkg, includeTest) + _, exports, err := resolver.loadExports(ctx, c.pkg, includeTest) if err != nil { if pass.env.Logf != nil { pass.env.Logf("loading exports in dir %s (seeking package %s): %v", c.pkg.dir, pkgName, err) diff --git a/vendor/golang.org/x/tools/internal/imports/imports.go b/vendor/golang.org/x/tools/internal/imports/imports.go index b18daea29..2815edc33 100644 --- a/vendor/golang.org/x/tools/internal/imports/imports.go +++ b/vendor/golang.org/x/tools/internal/imports/imports.go @@ -11,17 +11,13 @@ package imports import ( "bufio" "bytes" - "context" "fmt" "go/ast" - "go/build" "go/format" "go/parser" "go/printer" "go/token" "io" - "io/ioutil" - "os" "regexp" "strconv" "strings" @@ -33,6 +29,11 @@ import ( type Options struct { Env *ProcessEnv // The environment to use. Note: this contains the cached module and filesystem state. + // LocalPrefix is a comma-separated string of import path prefixes, which, if + // set, instructs Process to sort the import paths with the given prefixes + // into another group after 3rd-party packages. + LocalPrefix string + Fragment bool // Accept fragment of a source file (no package statement) AllErrors bool // Report all errors (not just the first 10 on different lines) @@ -43,13 +44,8 @@ type Options struct { FormatOnly bool // Disable the insertion and deletion of imports } -// Process implements golang.org/x/tools/imports.Process with explicit context in env. +// Process implements golang.org/x/tools/imports.Process with explicit context in opt.Env. func Process(filename string, src []byte, opt *Options) (formatted []byte, err error) { - src, opt, err = initialize(filename, src, opt) - if err != nil { - return nil, err - } - fileSet := token.NewFileSet() file, adjust, err := parse(fileSet, filename, src, opt) if err != nil { @@ -65,16 +61,12 @@ func Process(filename string, src []byte, opt *Options) (formatted []byte, err e } // FixImports returns a list of fixes to the imports that, when applied, -// will leave the imports in the same state as Process. +// will leave the imports in the same state as Process. src and opt must +// be specified. // // Note that filename's directory influences which imports can be chosen, // so it is important that filename be accurate. func FixImports(filename string, src []byte, opt *Options) (fixes []*ImportFix, err error) { - src, opt, err = initialize(filename, src, opt) - if err != nil { - return nil, err - } - fileSet := token.NewFileSet() file, _, err := parse(fileSet, filename, src, opt) if err != nil { @@ -85,13 +77,9 @@ func FixImports(filename string, src []byte, opt *Options) (fixes []*ImportFix, } // ApplyFixes applies all of the fixes to the file and formats it. extraMode -// is added in when parsing the file. +// is added in when parsing the file. src and opts must be specified, but no +// env is needed. func ApplyFixes(fixes []*ImportFix, filename string, src []byte, opt *Options, extraMode parser.Mode) (formatted []byte, err error) { - src, opt, err = initialize(filename, src, opt) - if err != nil { - return nil, err - } - // Don't use parse() -- we don't care about fragments or statement lists // here, and we need to work with unparseable files. fileSet := token.NewFileSet() @@ -115,59 +103,9 @@ func ApplyFixes(fixes []*ImportFix, filename string, src []byte, opt *Options, e return formatFile(fileSet, file, src, nil, opt) } -// GetAllCandidates gets all of the packages starting with prefix that can be -// imported by filename, sorted by import path. -func GetAllCandidates(ctx context.Context, callback func(ImportFix), searchPrefix, filename, filePkg string, opt *Options) error { - _, opt, err := initialize(filename, []byte{}, opt) - if err != nil { - return err - } - return getAllCandidates(ctx, callback, searchPrefix, filename, filePkg, opt.Env) -} - -// GetPackageExports returns all known packages with name pkg and their exports. -func GetPackageExports(ctx context.Context, callback func(PackageExport), searchPkg, filename, filePkg string, opt *Options) error { - _, opt, err := initialize(filename, []byte{}, opt) - if err != nil { - return err - } - return getPackageExports(ctx, callback, searchPkg, filename, filePkg, opt.Env) -} - -// initialize sets the values for opt and src. -// If they are provided, they are not changed. Otherwise opt is set to the -// default values and src is read from the file system. -func initialize(filename string, src []byte, opt *Options) ([]byte, *Options, error) { - // Use defaults if opt is nil. - if opt == nil { - opt = &Options{Comments: true, TabIndent: true, TabWidth: 8} - } - - // Set the env if the user has not provided it. - if opt.Env == nil { - opt.Env = &ProcessEnv{ - GOPATH: build.Default.GOPATH, - GOROOT: build.Default.GOROOT, - GOFLAGS: os.Getenv("GOFLAGS"), - GO111MODULE: os.Getenv("GO111MODULE"), - GOPROXY: os.Getenv("GOPROXY"), - GOSUMDB: os.Getenv("GOSUMDB"), - } - } - if src == nil { - b, err := ioutil.ReadFile(filename) - if err != nil { - return nil, nil, err - } - src = b - } - - return src, opt, nil -} - func formatFile(fileSet *token.FileSet, file *ast.File, src []byte, adjust func(orig []byte, src []byte) []byte, opt *Options) ([]byte, error) { - mergeImports(opt.Env, fileSet, file) - sortImports(opt.Env, fileSet, file) + mergeImports(fileSet, file) + sortImports(opt.LocalPrefix, fileSet, file) imps := astutil.Imports(fileSet, file) var spacesBefore []string // import paths we need spaces before for _, impSection := range imps { @@ -178,7 +116,7 @@ func formatFile(fileSet *token.FileSet, file *ast.File, src []byte, adjust func( lastGroup := -1 for _, importSpec := range impSection { importPath, _ := strconv.Unquote(importSpec.Path.Value) - groupNum := importGroup(opt.Env, importPath) + groupNum := importGroup(opt.LocalPrefix, importPath) if groupNum != lastGroup && lastGroup != -1 { spacesBefore = append(spacesBefore, importPath) } diff --git a/vendor/golang.org/x/tools/internal/imports/mod.go b/vendor/golang.org/x/tools/internal/imports/mod.go index 69e3eecc4..94880d616 100644 --- a/vendor/golang.org/x/tools/internal/imports/mod.go +++ b/vendor/golang.org/x/tools/internal/imports/mod.go @@ -15,7 +15,7 @@ import ( "strings" "golang.org/x/mod/module" - "golang.org/x/mod/semver" + "golang.org/x/tools/internal/gocommand" "golang.org/x/tools/internal/gopathwalk" ) @@ -24,31 +24,21 @@ import ( type ModuleResolver struct { env *ProcessEnv moduleCacheDir string - dummyVendorMod *ModuleJSON // If vendoring is enabled, the pseudo-module that represents the /vendor directory. + dummyVendorMod *gocommand.ModuleJSON // If vendoring is enabled, the pseudo-module that represents the /vendor directory. roots []gopathwalk.Root scanSema chan struct{} // scanSema prevents concurrent scans and guards scannedRoots. scannedRoots map[gopathwalk.Root]bool initialized bool - main *ModuleJSON - modsByModPath []*ModuleJSON // All modules, ordered by # of path components in module Path... - modsByDir []*ModuleJSON // ...or Dir. + main *gocommand.ModuleJSON + modsByModPath []*gocommand.ModuleJSON // All modules, ordered by # of path components in module Path... + modsByDir []*gocommand.ModuleJSON // ...or Dir. // moduleCacheCache stores information about the module cache. moduleCacheCache *dirInfoCache otherCache *dirInfoCache } -type ModuleJSON struct { - Path string // module path - Replace *ModuleJSON // replaced by this module - Main bool // is this the main module? - Indirect bool // is this module only an indirect dependency of main module? - Dir string // directory holding files for this module, if any - GoMod string // path to go.mod file for this module, if any - GoVersion string // go version used in module -} - func newModuleResolver(e *ProcessEnv) *ModuleResolver { r := &ModuleResolver{ env: e, @@ -62,7 +52,18 @@ func (r *ModuleResolver) init() error { if r.initialized { return nil } - mainMod, vendorEnabled, err := vendorEnabled(r.env) + + goenv, err := r.env.goEnv() + if err != nil { + return err + } + inv := gocommand.Invocation{ + BuildFlags: r.env.BuildFlags, + Env: r.env.env(), + Logf: r.env.Logf, + WorkingDir: r.env.WorkingDir, + } + mainMod, vendorEnabled, err := gocommand.VendorEnabled(context.TODO(), inv, r.env.GocmdRunner) if err != nil { return err } @@ -71,18 +72,22 @@ func (r *ModuleResolver) init() error { // Vendor mode is on, so all the non-Main modules are irrelevant, // and we need to search /vendor for everything. r.main = mainMod - r.dummyVendorMod = &ModuleJSON{ + r.dummyVendorMod = &gocommand.ModuleJSON{ Path: "", Dir: filepath.Join(mainMod.Dir, "vendor"), } - r.modsByModPath = []*ModuleJSON{mainMod, r.dummyVendorMod} - r.modsByDir = []*ModuleJSON{mainMod, r.dummyVendorMod} + r.modsByModPath = []*gocommand.ModuleJSON{mainMod, r.dummyVendorMod} + r.modsByDir = []*gocommand.ModuleJSON{mainMod, r.dummyVendorMod} } else { // Vendor mode is off, so run go list -m ... to find everything. r.initAllMods() } - r.moduleCacheDir = filepath.Join(filepath.SplitList(r.env.GOPATH)[0], "/pkg/mod") + if gmc := r.env.Env["GOMODCACHE"]; gmc != "" { + r.moduleCacheDir = gmc + } else { + r.moduleCacheDir = filepath.Join(filepath.SplitList(goenv["GOPATH"])[0], "/pkg/mod") + } sort.Slice(r.modsByModPath, func(i, j int) bool { count := func(x int) int { @@ -98,7 +103,7 @@ func (r *ModuleResolver) init() error { }) r.roots = []gopathwalk.Root{ - {filepath.Join(r.env.GOROOT, "/src"), gopathwalk.RootGOROOT}, + {filepath.Join(goenv["GOROOT"], "/src"), gopathwalk.RootGOROOT}, } if r.main != nil { r.roots = append(r.roots, gopathwalk.Root{r.main.Dir, gopathwalk.RootCurrentModule}) @@ -106,7 +111,7 @@ func (r *ModuleResolver) init() error { if vendorEnabled { r.roots = append(r.roots, gopathwalk.Root{r.dummyVendorMod.Dir, gopathwalk.RootOther}) } else { - addDep := func(mod *ModuleJSON) { + addDep := func(mod *gocommand.ModuleJSON) { if mod.Replace == nil { // This is redundant with the cache, but we'll skip it cheaply enough. r.roots = append(r.roots, gopathwalk.Root{mod.Dir, gopathwalk.RootModuleCache}) @@ -151,7 +156,7 @@ func (r *ModuleResolver) initAllMods() error { return err } for dec := json.NewDecoder(stdout); dec.More(); { - mod := &ModuleJSON{} + mod := &gocommand.ModuleJSON{} if err := dec.Decode(mod); err != nil { return err } @@ -197,7 +202,7 @@ func (r *ModuleResolver) ClearForNewMod() { // findPackage returns the module and directory that contains the package at // the given import path, or returns nil, "" if no module is in scope. -func (r *ModuleResolver) findPackage(importPath string) (*ModuleJSON, string) { +func (r *ModuleResolver) findPackage(importPath string) (*gocommand.ModuleJSON, string) { // This can't find packages in the stdlib, but that's harmless for all // the existing code paths. for _, m := range r.modsByModPath { @@ -239,7 +244,7 @@ func (r *ModuleResolver) findPackage(importPath string) (*ModuleJSON, string) { // files in that directory. If not, it could be provided by an // outer module. See #29736. for _, fi := range pkgFiles { - if ok, _ := r.env.buildContext().MatchFile(pkgDir, fi.Name()); ok { + if ok, _ := r.env.matchFile(pkgDir, fi.Name()); ok { return m, pkgDir } } @@ -283,7 +288,7 @@ func (r *ModuleResolver) cacheExports(ctx context.Context, env *ProcessEnv, info // findModuleByDir returns the module that contains dir, or nil if no such // module is in scope. -func (r *ModuleResolver) findModuleByDir(dir string) *ModuleJSON { +func (r *ModuleResolver) findModuleByDir(dir string) *gocommand.ModuleJSON { // This is quite tricky and may not be correct. dir could be: // - a package in the main module. // - a replace target underneath the main module's directory. @@ -310,7 +315,7 @@ func (r *ModuleResolver) findModuleByDir(dir string) *ModuleJSON { // dirIsNestedModule reports if dir is contained in a nested module underneath // mod, not actually in mod. -func (r *ModuleResolver) dirIsNestedModule(dir string, mod *ModuleJSON) bool { +func (r *ModuleResolver) dirIsNestedModule(dir string, mod *gocommand.ModuleJSON) bool { if !strings.HasPrefix(dir, mod.Dir) { return false } @@ -490,7 +495,7 @@ func (r *ModuleResolver) scoreImportPath(ctx context.Context, path string) int { return modRelevance(mod) } -func modRelevance(mod *ModuleJSON) int { +func modRelevance(mod *gocommand.ModuleJSON) int { switch { case mod == nil: // out of scope return MaxRelevance - 4 @@ -656,63 +661,3 @@ func modulePath(mod []byte) string { } return "" // missing module path } - -var modFlagRegexp = regexp.MustCompile(`-mod[ =](\w+)`) - -// vendorEnabled indicates if vendoring is enabled. -// Inspired by setDefaultBuildMod in modload/init.go -func vendorEnabled(env *ProcessEnv) (*ModuleJSON, bool, error) { - mainMod, go114, err := getMainModuleAnd114(env) - if err != nil { - return nil, false, err - } - matches := modFlagRegexp.FindStringSubmatch(env.GOFLAGS) - var modFlag string - if len(matches) != 0 { - modFlag = matches[1] - } - if modFlag != "" { - // Don't override an explicit '-mod=' argument. - return mainMod, modFlag == "vendor", nil - } - if mainMod == nil || !go114 { - return mainMod, false, nil - } - // Check 1.14's automatic vendor mode. - if fi, err := os.Stat(filepath.Join(mainMod.Dir, "vendor")); err == nil && fi.IsDir() { - if mainMod.GoVersion != "" && semver.Compare("v"+mainMod.GoVersion, "v1.14") >= 0 { - // The Go version is at least 1.14, and a vendor directory exists. - // Set -mod=vendor by default. - return mainMod, true, nil - } - } - return mainMod, false, nil -} - -// getMainModuleAnd114 gets the main module's information and whether the -// go command in use is 1.14+. This is the information needed to figure out -// if vendoring should be enabled. -func getMainModuleAnd114(env *ProcessEnv) (*ModuleJSON, bool, error) { - const format = `{{.Path}} -{{.Dir}} -{{.GoMod}} -{{.GoVersion}} -{{range context.ReleaseTags}}{{if eq . "go1.14"}}{{.}}{{end}}{{end}} -` - stdout, err := env.invokeGo(context.TODO(), "list", "-m", "-f", format) - if err != nil { - return nil, false, nil - } - lines := strings.Split(stdout.String(), "\n") - if len(lines) < 5 { - return nil, false, fmt.Errorf("unexpected stdout: %q", stdout) - } - mod := &ModuleJSON{ - Path: lines[0], - Dir: lines[1], - GoMod: lines[2], - GoVersion: lines[3], - Main: true, - } - return mod, lines[4] == "go1.14", nil -} diff --git a/vendor/golang.org/x/tools/internal/imports/sortimports.go b/vendor/golang.org/x/tools/internal/imports/sortimports.go index 226279471..be8ffa25f 100644 --- a/vendor/golang.org/x/tools/internal/imports/sortimports.go +++ b/vendor/golang.org/x/tools/internal/imports/sortimports.go @@ -15,7 +15,7 @@ import ( // sortImports sorts runs of consecutive import lines in import blocks in f. // It also removes duplicate imports when it is possible to do so without data loss. -func sortImports(env *ProcessEnv, fset *token.FileSet, f *ast.File) { +func sortImports(localPrefix string, fset *token.FileSet, f *ast.File) { for i, d := range f.Decls { d, ok := d.(*ast.GenDecl) if !ok || d.Tok != token.IMPORT { @@ -40,11 +40,11 @@ func sortImports(env *ProcessEnv, fset *token.FileSet, f *ast.File) { for j, s := range d.Specs { if j > i && fset.Position(s.Pos()).Line > 1+fset.Position(d.Specs[j-1].End()).Line { // j begins a new run. End this one. - specs = append(specs, sortSpecs(env, fset, f, d.Specs[i:j])...) + specs = append(specs, sortSpecs(localPrefix, fset, f, d.Specs[i:j])...) i = j } } - specs = append(specs, sortSpecs(env, fset, f, d.Specs[i:])...) + specs = append(specs, sortSpecs(localPrefix, fset, f, d.Specs[i:])...) d.Specs = specs // Deduping can leave a blank line before the rparen; clean that up. @@ -60,7 +60,7 @@ func sortImports(env *ProcessEnv, fset *token.FileSet, f *ast.File) { // mergeImports merges all the import declarations into the first one. // Taken from golang.org/x/tools/ast/astutil. -func mergeImports(env *ProcessEnv, fset *token.FileSet, f *ast.File) { +func mergeImports(fset *token.FileSet, f *ast.File) { if len(f.Decls) <= 1 { return } @@ -142,7 +142,7 @@ type posSpan struct { End token.Pos } -func sortSpecs(env *ProcessEnv, fset *token.FileSet, f *ast.File, specs []ast.Spec) []ast.Spec { +func sortSpecs(localPrefix string, fset *token.FileSet, f *ast.File, specs []ast.Spec) []ast.Spec { // Can't short-circuit here even if specs are already sorted, // since they might yet need deduplication. // A lone import, however, may be safely ignored. @@ -191,7 +191,7 @@ func sortSpecs(env *ProcessEnv, fset *token.FileSet, f *ast.File, specs []ast.Sp // Reassign the import paths to have the same position sequence. // Reassign each comment to abut the end of its spec. // Sort the comments by new position. - sort.Sort(byImportSpec{env, specs}) + sort.Sort(byImportSpec{localPrefix, specs}) // Dedup. Thanks to our sorting, we can just consider // adjacent pairs of imports. @@ -245,8 +245,8 @@ func sortSpecs(env *ProcessEnv, fset *token.FileSet, f *ast.File, specs []ast.Sp } type byImportSpec struct { - env *ProcessEnv - specs []ast.Spec // slice of *ast.ImportSpec + localPrefix string + specs []ast.Spec // slice of *ast.ImportSpec } func (x byImportSpec) Len() int { return len(x.specs) } @@ -255,8 +255,8 @@ func (x byImportSpec) Less(i, j int) bool { ipath := importPath(x.specs[i]) jpath := importPath(x.specs[j]) - igroup := importGroup(x.env, ipath) - jgroup := importGroup(x.env, jpath) + igroup := importGroup(x.localPrefix, ipath) + jgroup := importGroup(x.localPrefix, jpath) if igroup != jgroup { return igroup < jgroup } diff --git a/vendor/golang.org/x/tools/internal/imports/zstdlib.go b/vendor/golang.org/x/tools/internal/imports/zstdlib.go index 7e60eb04e..7b573b983 100644 --- a/vendor/golang.org/x/tools/internal/imports/zstdlib.go +++ b/vendor/golang.org/x/tools/internal/imports/zstdlib.go @@ -56,6 +56,7 @@ var stdlib = map[string][]string{ }, "bufio": []string{ "ErrAdvanceTooFar", + "ErrBadReadCount", "ErrBufferFull", "ErrFinalToken", "ErrInvalidUnreadByte", @@ -303,7 +304,9 @@ var stdlib = map[string][]string{ "PrivateKey", "PublicKey", "Sign", + "SignASN1", "Verify", + "VerifyASN1", }, "crypto/ed25519": []string{ "GenerateKey", @@ -322,11 +325,13 @@ var stdlib = map[string][]string{ "CurveParams", "GenerateKey", "Marshal", + "MarshalCompressed", "P224", "P256", "P384", "P521", "Unmarshal", + "UnmarshalCompressed", }, "crypto/hmac": []string{ "Equal", @@ -415,6 +420,9 @@ var stdlib = map[string][]string{ "crypto/tls": []string{ "Certificate", "CertificateRequestInfo", + "CipherSuite", + "CipherSuiteName", + "CipherSuites", "Client", "ClientAuthType", "ClientHelloInfo", @@ -429,11 +437,13 @@ var stdlib = map[string][]string{ "CurveP521", "Dial", "DialWithDialer", + "Dialer", "ECDSAWithP256AndSHA256", "ECDSAWithP384AndSHA384", "ECDSAWithP521AndSHA512", "ECDSAWithSHA1", "Ed25519", + "InsecureCipherSuites", "Listen", "LoadX509KeyPair", "NewLRUClientSessionCache", @@ -465,6 +475,7 @@ var stdlib = map[string][]string{ "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA", "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384", "TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305", + "TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256", "TLS_ECDHE_ECDSA_WITH_RC4_128_SHA", "TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA", "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA", @@ -473,6 +484,7 @@ var stdlib = map[string][]string{ "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA", "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384", "TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305", + "TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256", "TLS_ECDHE_RSA_WITH_RC4_128_SHA", "TLS_FALLBACK_SCSV", "TLS_RSA_WITH_3DES_EDE_CBC_SHA", @@ -501,6 +513,7 @@ var stdlib = map[string][]string{ "ConstraintViolationError", "CreateCertificate", "CreateCertificateRequest", + "CreateRevocationList", "DSA", "DSAWithSHA1", "DSAWithSHA256", @@ -575,6 +588,7 @@ var stdlib = map[string][]string{ "PublicKeyAlgorithm", "PureEd25519", "RSA", + "RevocationList", "SHA1WithRSA", "SHA256WithRSA", "SHA256WithRSAPSS", @@ -688,6 +702,7 @@ var stdlib = map[string][]string{ "String", "Tx", "TxOptions", + "Validator", "Value", "ValueConverter", "Valuer", @@ -698,36 +713,65 @@ var stdlib = map[string][]string{ "Attr", "AttrAbstractOrigin", "AttrAccessibility", + "AttrAddrBase", "AttrAddrClass", + "AttrAlignment", "AttrAllocated", "AttrArtificial", "AttrAssociated", "AttrBaseTypes", + "AttrBinaryScale", "AttrBitOffset", "AttrBitSize", "AttrByteSize", + "AttrCallAllCalls", + "AttrCallAllSourceCalls", + "AttrCallAllTailCalls", "AttrCallColumn", + "AttrCallDataLocation", + "AttrCallDataValue", "AttrCallFile", "AttrCallLine", + "AttrCallOrigin", + "AttrCallPC", + "AttrCallParameter", + "AttrCallReturnPC", + "AttrCallTailCall", + "AttrCallTarget", + "AttrCallTargetClobbered", + "AttrCallValue", "AttrCalling", "AttrCommonRef", "AttrCompDir", + "AttrConstExpr", "AttrConstValue", "AttrContainingType", "AttrCount", + "AttrDataBitOffset", "AttrDataLocation", "AttrDataMemberLoc", + "AttrDecimalScale", + "AttrDecimalSign", "AttrDeclColumn", "AttrDeclFile", "AttrDeclLine", "AttrDeclaration", "AttrDefaultValue", + "AttrDefaulted", + "AttrDeleted", "AttrDescription", + "AttrDigitCount", "AttrDiscr", "AttrDiscrList", "AttrDiscrValue", + "AttrDwoName", + "AttrElemental", "AttrEncoding", + "AttrEndianity", "AttrEntrypc", + "AttrEnumClass", + "AttrExplicit", + "AttrExportSymbols", "AttrExtension", "AttrExternal", "AttrFrameBase", @@ -738,27 +782,47 @@ var stdlib = map[string][]string{ "AttrInline", "AttrIsOptional", "AttrLanguage", + "AttrLinkageName", "AttrLocation", + "AttrLoclistsBase", "AttrLowerBound", "AttrLowpc", "AttrMacroInfo", + "AttrMacros", + "AttrMainSubprogram", + "AttrMutable", "AttrName", "AttrNamelistItem", + "AttrNoreturn", + "AttrObjectPointer", "AttrOrdering", + "AttrPictureString", "AttrPriority", "AttrProducer", "AttrPrototyped", + "AttrPure", "AttrRanges", + "AttrRank", + "AttrRecursive", + "AttrReference", "AttrReturnAddr", + "AttrRnglistsBase", + "AttrRvalueReference", "AttrSegment", "AttrSibling", + "AttrSignature", + "AttrSmall", "AttrSpecification", "AttrStartScope", "AttrStaticLink", "AttrStmtList", + "AttrStrOffsetsBase", "AttrStride", "AttrStrideSize", "AttrStringLength", + "AttrStringLengthBitSize", + "AttrStringLengthByteSize", + "AttrThreadsScaled", "AttrTrampoline", "AttrType", "AttrUpperBound", @@ -772,18 +836,23 @@ var stdlib = map[string][]string{ "BoolType", "CharType", "Class", + "ClassAddrPtr", "ClassAddress", "ClassBlock", "ClassConstant", "ClassExprLoc", "ClassFlag", "ClassLinePtr", + "ClassLocList", "ClassLocListPtr", "ClassMacPtr", "ClassRangeListPtr", "ClassReference", "ClassReferenceAlt", "ClassReferenceSig", + "ClassRngList", + "ClassRngListsPtr", + "ClassStrOffsetsPtr", "ClassString", "ClassStringAlt", "ClassUnknown", @@ -814,9 +883,13 @@ var stdlib = map[string][]string{ "Tag", "TagAccessDeclaration", "TagArrayType", + "TagAtomicType", "TagBaseType", + "TagCallSite", + "TagCallSiteParameter", "TagCatchDwarfBlock", "TagClassType", + "TagCoarrayType", "TagCommonDwarfBlock", "TagCommonInclusion", "TagCompileUnit", @@ -824,12 +897,15 @@ var stdlib = map[string][]string{ "TagConstType", "TagConstant", "TagDwarfProcedure", + "TagDynamicType", "TagEntryPoint", "TagEnumerationType", "TagEnumerator", "TagFileType", "TagFormalParameter", "TagFriend", + "TagGenericSubrange", + "TagImmutableType", "TagImportedDeclaration", "TagImportedModule", "TagImportedUnit", @@ -853,6 +929,7 @@ var stdlib = map[string][]string{ "TagRvalueReferenceType", "TagSetType", "TagSharedType", + "TagSkeletonUnit", "TagStringType", "TagStructType", "TagSubprogram", @@ -2281,6 +2358,27 @@ var stdlib = map[string][]string{ "IMAGE_DIRECTORY_ENTRY_RESOURCE", "IMAGE_DIRECTORY_ENTRY_SECURITY", "IMAGE_DIRECTORY_ENTRY_TLS", + "IMAGE_DLLCHARACTERISTICS_APPCONTAINER", + "IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE", + "IMAGE_DLLCHARACTERISTICS_FORCE_INTEGRITY", + "IMAGE_DLLCHARACTERISTICS_GUARD_CF", + "IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA", + "IMAGE_DLLCHARACTERISTICS_NO_BIND", + "IMAGE_DLLCHARACTERISTICS_NO_ISOLATION", + "IMAGE_DLLCHARACTERISTICS_NO_SEH", + "IMAGE_DLLCHARACTERISTICS_NX_COMPAT", + "IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE", + "IMAGE_DLLCHARACTERISTICS_WDM_DRIVER", + "IMAGE_FILE_32BIT_MACHINE", + "IMAGE_FILE_AGGRESIVE_WS_TRIM", + "IMAGE_FILE_BYTES_REVERSED_HI", + "IMAGE_FILE_BYTES_REVERSED_LO", + "IMAGE_FILE_DEBUG_STRIPPED", + "IMAGE_FILE_DLL", + "IMAGE_FILE_EXECUTABLE_IMAGE", + "IMAGE_FILE_LARGE_ADDRESS_AWARE", + "IMAGE_FILE_LINE_NUMS_STRIPPED", + "IMAGE_FILE_LOCAL_SYMS_STRIPPED", "IMAGE_FILE_MACHINE_AM33", "IMAGE_FILE_MACHINE_AMD64", "IMAGE_FILE_MACHINE_ARM", @@ -2303,6 +2401,25 @@ var stdlib = map[string][]string{ "IMAGE_FILE_MACHINE_THUMB", "IMAGE_FILE_MACHINE_UNKNOWN", "IMAGE_FILE_MACHINE_WCEMIPSV2", + "IMAGE_FILE_NET_RUN_FROM_SWAP", + "IMAGE_FILE_RELOCS_STRIPPED", + "IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP", + "IMAGE_FILE_SYSTEM", + "IMAGE_FILE_UP_SYSTEM_ONLY", + "IMAGE_SUBSYSTEM_EFI_APPLICATION", + "IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER", + "IMAGE_SUBSYSTEM_EFI_ROM", + "IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER", + "IMAGE_SUBSYSTEM_NATIVE", + "IMAGE_SUBSYSTEM_NATIVE_WINDOWS", + "IMAGE_SUBSYSTEM_OS2_CUI", + "IMAGE_SUBSYSTEM_POSIX_CUI", + "IMAGE_SUBSYSTEM_UNKNOWN", + "IMAGE_SUBSYSTEM_WINDOWS_BOOT_APPLICATION", + "IMAGE_SUBSYSTEM_WINDOWS_CE_GUI", + "IMAGE_SUBSYSTEM_WINDOWS_CUI", + "IMAGE_SUBSYSTEM_WINDOWS_GUI", + "IMAGE_SUBSYSTEM_XBOX", "ImportDirectory", "NewFile", "Open", @@ -2359,6 +2476,7 @@ var stdlib = map[string][]string{ "RawValue", "StructuralError", "SyntaxError", + "TagBMPString", "TagBitString", "TagBoolean", "TagEnum", @@ -2787,6 +2905,7 @@ var stdlib = map[string][]string{ "IsPredeclared", "Mode", "New", + "NewFromFiles", "Note", "Package", "PreserveAST", @@ -3115,6 +3234,11 @@ var stdlib = map[string][]string{ "New64", "New64a", }, + "hash/maphash": []string{ + "Hash", + "MakeSeed", + "Seed", + }, "html": []string{ "EscapeString", "UnescapeString", @@ -3367,6 +3491,7 @@ var stdlib = map[string][]string{ "Ldate", "Llongfile", "Lmicroseconds", + "Lmsgprefix", "Logger", "Lshortfile", "LstdFlags", @@ -3443,6 +3568,7 @@ var stdlib = map[string][]string{ "Exp", "Exp2", "Expm1", + "FMA", "Float32bits", "Float32frombits", "Float64bits", @@ -3567,6 +3693,9 @@ var stdlib = map[string][]string{ "OnesCount32", "OnesCount64", "OnesCount8", + "Rem", + "Rem32", + "Rem64", "Reverse", "Reverse16", "Reverse32", @@ -4108,6 +4237,7 @@ var stdlib = map[string][]string{ "DevNull", "Environ", "ErrClosed", + "ErrDeadlineExceeded", "ErrExist", "ErrInvalid", "ErrNoDeadline", @@ -4566,6 +4696,7 @@ var stdlib = map[string][]string{ "ErrRange", "ErrSyntax", "FormatBool", + "FormatComplex", "FormatFloat", "FormatInt", "FormatUint", @@ -4575,6 +4706,7 @@ var stdlib = map[string][]string{ "Itoa", "NumError", "ParseBool", + "ParseComplex", "ParseFloat", "ParseInt", "ParseUint", @@ -5140,7 +5272,10 @@ var stdlib = map[string][]string{ "CTL_NET", "CTL_QUERY", "CTRL_BREAK_EVENT", + "CTRL_CLOSE_EVENT", "CTRL_C_EVENT", + "CTRL_LOGOFF_EVENT", + "CTRL_SHUTDOWN_EVENT", "CancelIo", "CancelIoEx", "CertAddCertificateContextToStore", @@ -10112,6 +10247,7 @@ var stdlib = map[string][]string{ "Duployan", "Egyptian_Hieroglyphs", "Elbasan", + "Elymaic", "Ethiopic", "Extender", "FoldCategory", @@ -10215,6 +10351,7 @@ var stdlib = map[string][]string{ "Myanmar", "N", "Nabataean", + "Nandinagari", "Nd", "New_Tai_Lue", "Newa", @@ -10224,6 +10361,7 @@ var stdlib = map[string][]string{ "Noncharacter_Code_Point", "Number", "Nushu", + "Nyiakeng_Puachue_Hmong", "Ogham", "Ol_Chiki", "Old_Hungarian", @@ -10331,6 +10469,7 @@ var stdlib = map[string][]string{ "Vai", "Variation_Selector", "Version", + "Wancho", "Warang_Citi", "White_Space", "Yi", diff --git a/vendor/golang.org/x/tools/internal/lsp/fuzzy/input.go b/vendor/golang.org/x/tools/internal/lsp/fuzzy/input.go new file mode 100644 index 000000000..ac377035e --- /dev/null +++ b/vendor/golang.org/x/tools/internal/lsp/fuzzy/input.go @@ -0,0 +1,168 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package fuzzy + +import ( + "unicode" +) + +// RuneRole specifies the role of a rune in the context of an input. +type RuneRole byte + +const ( + // RNone specifies a rune without any role in the input (i.e., whitespace/non-ASCII). + RNone RuneRole = iota + // RSep specifies a rune with the role of segment separator. + RSep + // RTail specifies a rune which is a lower-case tail in a word in the input. + RTail + // RUCTail specifies a rune which is an upper-case tail in a word in the input. + RUCTail + // RHead specifies a rune which is the first character in a word in the input. + RHead +) + +// RuneRoles detects the roles of each byte rune in an input string and stores it in the output +// slice. The rune role depends on the input type. Stops when it parsed all the runes in the string +// or when it filled the output. If output is nil, then it gets created. +func RuneRoles(str string, reuse []RuneRole) []RuneRole { + var output []RuneRole + if cap(reuse) < len(str) { + output = make([]RuneRole, 0, len(str)) + } else { + output = reuse[:0] + } + + prev, prev2 := rtNone, rtNone + for i := 0; i < len(str); i++ { + r := rune(str[i]) + + role := RNone + + curr := rtLower + if str[i] <= unicode.MaxASCII { + curr = runeType(rt[str[i]] - '0') + } + + if curr == rtLower { + if prev == rtNone || prev == rtPunct { + role = RHead + } else { + role = RTail + } + } else if curr == rtUpper { + role = RHead + + if prev == rtUpper { + // This and previous characters are both upper case. + + if i+1 == len(str) { + // This is last character, previous was also uppercase -> this is UCTail + // i.e., (current char is C): aBC / BC / ABC + role = RUCTail + } + } + } else if curr == rtPunct { + switch r { + case '.', ':': + role = RSep + } + } + if curr != rtLower { + if i > 1 && output[i-1] == RHead && prev2 == rtUpper && (output[i-2] == RHead || output[i-2] == RUCTail) { + // The previous two characters were uppercase. The current one is not a lower case, so the + // previous one can't be a HEAD. Make it a UCTail. + // i.e., (last char is current char - B must be a UCTail): ABC / ZABC / AB. + output[i-1] = RUCTail + } + } + + output = append(output, role) + prev2 = prev + prev = curr + } + return output +} + +type runeType byte + +const ( + rtNone runeType = iota + rtPunct + rtLower + rtUpper +) + +const rt = "00000000000000000000000000000000000000000000001122222222221000000333333333333333333333333330000002222222222222222222222222200000" + +// LastSegment returns the substring representing the last segment from the input, where each +// byte has an associated RuneRole in the roles slice. This makes sense only for inputs of Symbol +// or Filename type. +func LastSegment(input string, roles []RuneRole) string { + // Exclude ending separators. + end := len(input) - 1 + for end >= 0 && roles[end] == RSep { + end-- + } + if end < 0 { + return "" + } + + start := end - 1 + for start >= 0 && roles[start] != RSep { + start-- + } + + return input[start+1 : end+1] +} + +// ToLower transforms the input string to lower case, which is stored in the output byte slice. +// The lower casing considers only ASCII values - non ASCII values are left unmodified. +// Stops when parsed all input or when it filled the output slice. If output is nil, then it gets +// created. +func ToLower(input string, reuse []byte) []byte { + output := reuse + if cap(reuse) < len(input) { + output = make([]byte, len(input)) + } + + for i := 0; i < len(input); i++ { + r := rune(input[i]) + if r <= unicode.MaxASCII { + if 'A' <= r && r <= 'Z' { + r += 'a' - 'A' + } + } + output[i] = byte(r) + } + return output[:len(input)] +} + +// WordConsumer defines a consumer for a word delimited by the [start,end) byte offsets in an input +// (start is inclusive, end is exclusive). +type WordConsumer func(start, end int) + +// Words find word delimiters in an input based on its bytes' mappings to rune roles. The offset +// delimiters for each word are fed to the provided consumer function. +func Words(roles []RuneRole, consume WordConsumer) { + var wordStart int + for i, r := range roles { + switch r { + case RUCTail, RTail: + case RHead, RNone, RSep: + if i != wordStart { + consume(wordStart, i) + } + wordStart = i + if r != RHead { + // Skip this character. + wordStart = i + 1 + } + } + } + if wordStart != len(roles) { + consume(wordStart, len(roles)) + } +} diff --git a/vendor/golang.org/x/tools/internal/lsp/fuzzy/matcher.go b/vendor/golang.org/x/tools/internal/lsp/fuzzy/matcher.go new file mode 100644 index 000000000..f39f7ef65 --- /dev/null +++ b/vendor/golang.org/x/tools/internal/lsp/fuzzy/matcher.go @@ -0,0 +1,398 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Package fuzzy implements a fuzzy matching algorithm. +package fuzzy + +import ( + "bytes" + "fmt" +) + +const ( + // MaxInputSize is the maximum size of the input scored against the fuzzy matcher. Longer inputs + // will be truncated to this size. + MaxInputSize = 127 + // MaxPatternSize is the maximum size of the pattern used to construct the fuzzy matcher. Longer + // inputs are truncated to this size. + MaxPatternSize = 63 +) + +type scoreVal int + +func (s scoreVal) val() int { + return int(s) >> 1 +} + +func (s scoreVal) prevK() int { + return int(s) & 1 +} + +func score(val int, prevK int /*0 or 1*/) scoreVal { + return scoreVal(val<<1 + prevK) +} + +// Matcher implements a fuzzy matching algorithm for scoring candidates against a pattern. +// The matcher does not support parallel usage. +type Matcher struct { + pattern string + patternLower []byte // lower-case version of the pattern + patternShort []byte // first characters of the pattern + caseSensitive bool // set if the pattern is mix-cased + + patternRoles []RuneRole // the role of each character in the pattern + roles []RuneRole // the role of each character in the tested string + + scores [MaxInputSize + 1][MaxPatternSize + 1][2]scoreVal + + scoreScale float32 + + lastCandidateLen int // in bytes + lastCandidateMatched bool + + // Here we save the last candidate in lower-case. This is basically a byte slice we reuse for + // performance reasons, so the slice is not reallocated for every candidate. + lowerBuf [MaxInputSize]byte + rolesBuf [MaxInputSize]RuneRole +} + +func (m *Matcher) bestK(i, j int) int { + if m.scores[i][j][0].val() < m.scores[i][j][1].val() { + return 1 + } + return 0 +} + +// NewMatcher returns a new fuzzy matcher for scoring candidates against the provided pattern. +func NewMatcher(pattern string) *Matcher { + if len(pattern) > MaxPatternSize { + pattern = pattern[:MaxPatternSize] + } + + m := &Matcher{ + pattern: pattern, + patternLower: ToLower(pattern, nil), + } + + for i, c := range m.patternLower { + if pattern[i] != c { + m.caseSensitive = true + break + } + } + + if len(pattern) > 3 { + m.patternShort = m.patternLower[:3] + } else { + m.patternShort = m.patternLower + } + + m.patternRoles = RuneRoles(pattern, nil) + + if len(pattern) > 0 { + maxCharScore := 4 + m.scoreScale = 1 / float32(maxCharScore*len(pattern)) + } + + return m +} + +// Score returns the score returned by matching the candidate to the pattern. +// This is not designed for parallel use. Multiple candidates must be scored sequentially. +// Returns a score between 0 and 1 (0 - no match, 1 - perfect match). +func (m *Matcher) Score(candidate string) float32 { + if len(candidate) > MaxInputSize { + candidate = candidate[:MaxInputSize] + } + lower := ToLower(candidate, m.lowerBuf[:]) + m.lastCandidateLen = len(candidate) + + if len(m.pattern) == 0 { + // Empty patterns perfectly match candidates. + return 1 + } + + if m.match(candidate, lower) { + sc := m.computeScore(candidate, lower) + if sc > minScore/2 && !m.poorMatch() { + m.lastCandidateMatched = true + if len(m.pattern) == len(candidate) { + // Perfect match. + return 1 + } + + if sc < 0 { + sc = 0 + } + normalizedScore := float32(sc) * m.scoreScale + if normalizedScore > 1 { + normalizedScore = 1 + } + + return normalizedScore + } + } + + m.lastCandidateMatched = false + return -1 +} + +const minScore = -10000 + +// MatchedRanges returns matches ranges for the last scored string as a flattened array of +// [begin, end) byte offset pairs. +func (m *Matcher) MatchedRanges() []int { + if len(m.pattern) == 0 || !m.lastCandidateMatched { + return nil + } + i, j := m.lastCandidateLen, len(m.pattern) + if m.scores[i][j][0].val() < minScore/2 && m.scores[i][j][1].val() < minScore/2 { + return nil + } + + var ret []int + k := m.bestK(i, j) + for i > 0 { + take := (k == 1) + k = m.scores[i][j][k].prevK() + if take { + if len(ret) == 0 || ret[len(ret)-1] != i { + ret = append(ret, i) + ret = append(ret, i-1) + } else { + ret[len(ret)-1] = i - 1 + } + j-- + } + i-- + } + // Reverse slice. + for i := 0; i < len(ret)/2; i++ { + ret[i], ret[len(ret)-1-i] = ret[len(ret)-1-i], ret[i] + } + return ret +} + +func (m *Matcher) match(candidate string, candidateLower []byte) bool { + i, j := 0, 0 + for ; i < len(candidateLower) && j < len(m.patternLower); i++ { + if candidateLower[i] == m.patternLower[j] { + j++ + } + } + if j != len(m.patternLower) { + return false + } + + // The input passes the simple test against pattern, so it is time to classify its characters. + // Character roles are used below to find the last segment. + m.roles = RuneRoles(candidate, m.rolesBuf[:]) + + return true +} + +func (m *Matcher) computeScore(candidate string, candidateLower []byte) int { + pattLen, candLen := len(m.pattern), len(candidate) + + for j := 0; j <= len(m.pattern); j++ { + m.scores[0][j][0] = minScore << 1 + m.scores[0][j][1] = minScore << 1 + } + m.scores[0][0][0] = score(0, 0) // Start with 0. + + segmentsLeft, lastSegStart := 1, 0 + for i := 0; i < candLen; i++ { + if m.roles[i] == RSep { + segmentsLeft++ + lastSegStart = i + 1 + } + } + + // A per-character bonus for a consecutive match. + consecutiveBonus := 2 + wordIdx := 0 // Word count within segment. + for i := 1; i <= candLen; i++ { + + role := m.roles[i-1] + isHead := role == RHead + + if isHead { + wordIdx++ + } else if role == RSep && segmentsLeft > 1 { + wordIdx = 0 + segmentsLeft-- + } + + var skipPenalty int + if i == 1 || (i-1) == lastSegStart { + // Skipping the start of first or last segment. + skipPenalty++ + } + + for j := 0; j <= pattLen; j++ { + // By default, we don't have a match. Fill in the skip data. + m.scores[i][j][1] = minScore << 1 + + // Compute the skip score. + k := 0 + if m.scores[i-1][j][0].val() < m.scores[i-1][j][1].val() { + k = 1 + } + + skipScore := m.scores[i-1][j][k].val() + // Do not penalize missing characters after the last matched segment. + if j != pattLen { + skipScore -= skipPenalty + } + m.scores[i][j][0] = score(skipScore, k) + + if j == 0 || candidateLower[i-1] != m.patternLower[j-1] { + // Not a match. + continue + } + pRole := m.patternRoles[j-1] + + if role == RTail && pRole == RHead { + if j > 1 { + // Not a match: a head in the pattern matches a tail character in the candidate. + continue + } + // Special treatment for the first character of the pattern. We allow + // matches in the middle of a word if they are long enough, at least + // min(3, pattern.length) characters. + if !bytes.HasPrefix(candidateLower[i-1:], m.patternShort) { + continue + } + } + + // Compute the char score. + var charScore int + // Bonus 1: the char is in the candidate's last segment. + if segmentsLeft <= 1 { + charScore++ + } + // Bonus 2: Case match or a Head in the pattern aligns with one in the word. + // Single-case patterns lack segmentation signals and we assume any character + // can be a head of a segment. + if candidate[i-1] == m.pattern[j-1] || role == RHead && (!m.caseSensitive || pRole == RHead) { + charScore++ + } + + // Penalty 1: pattern char is Head, candidate char is Tail. + if role == RTail && pRole == RHead { + charScore-- + } + // Penalty 2: first pattern character matched in the middle of a word. + if j == 1 && role == RTail { + charScore -= 4 + } + + // Third dimension encodes whether there is a gap between the previous match and the current + // one. + for k := 0; k < 2; k++ { + sc := m.scores[i-1][j-1][k].val() + charScore + + isConsecutive := k == 1 || i-1 == 0 || i-1 == lastSegStart + if isConsecutive { + // Bonus 3: a consecutive match. First character match also gets a bonus to + // ensure prefix final match score normalizes to 1.0. + // Logically, this is a part of charScore, but we have to compute it here because it + // only applies for consecutive matches (k == 1). + sc += consecutiveBonus + } + if k == 0 { + // Penalty 3: Matching inside a segment (and previous char wasn't matched). Penalize for the lack + // of alignment. + if role == RTail || role == RUCTail { + sc -= 3 + } + } + + if sc > m.scores[i][j][1].val() { + m.scores[i][j][1] = score(sc, k) + } + } + } + } + + result := m.scores[len(candidate)][len(m.pattern)][m.bestK(len(candidate), len(m.pattern))].val() + + return result +} + +// ScoreTable returns the score table computed for the provided candidate. Used only for debugging. +func (m *Matcher) ScoreTable(candidate string) string { + var buf bytes.Buffer + + var line1, line2, separator bytes.Buffer + line1.WriteString("\t") + line2.WriteString("\t") + for j := 0; j < len(m.pattern); j++ { + line1.WriteString(fmt.Sprintf("%c\t\t", m.pattern[j])) + separator.WriteString("----------------") + } + + buf.WriteString(line1.String()) + buf.WriteString("\n") + buf.WriteString(separator.String()) + buf.WriteString("\n") + + for i := 1; i <= len(candidate); i++ { + line1.Reset() + line2.Reset() + + line1.WriteString(fmt.Sprintf("%c\t", candidate[i-1])) + line2.WriteString("\t") + + for j := 1; j <= len(m.pattern); j++ { + line1.WriteString(fmt.Sprintf("M%6d(%c)\t", m.scores[i][j][0].val(), dir(m.scores[i][j][0].prevK()))) + line2.WriteString(fmt.Sprintf("H%6d(%c)\t", m.scores[i][j][1].val(), dir(m.scores[i][j][1].prevK()))) + } + buf.WriteString(line1.String()) + buf.WriteString("\n") + buf.WriteString(line2.String()) + buf.WriteString("\n") + buf.WriteString(separator.String()) + buf.WriteString("\n") + } + + return buf.String() +} + +func dir(prevK int) rune { + if prevK == 0 { + return 'M' + } + return 'H' +} + +func (m *Matcher) poorMatch() bool { + if len(m.pattern) < 2 { + return false + } + + i, j := m.lastCandidateLen, len(m.pattern) + k := m.bestK(i, j) + + var counter, len int + for i > 0 { + take := (k == 1) + k = m.scores[i][j][k].prevK() + if take { + len++ + if k == 0 && len < 3 && m.roles[i-1] == RTail { + // Short match in the middle of a word + counter++ + if counter > 1 { + return true + } + } + j-- + } else { + len = 0 + } + i-- + } + return false +} diff --git a/vendor/golang.org/x/tools/internal/packagesinternal/packages.go b/vendor/golang.org/x/tools/internal/packagesinternal/packages.go index b13ce33a3..2c4527f24 100644 --- a/vendor/golang.org/x/tools/internal/packagesinternal/packages.go +++ b/vendor/golang.org/x/tools/internal/packagesinternal/packages.go @@ -1,27 +1,14 @@ // Package packagesinternal exposes internal-only fields from go/packages. package packagesinternal -import "time" - -// Fields must match go list; -type Module struct { - Path string // module path - Version string // module version - Versions []string // available module versions (with -versions) - Replace *Module // replaced by this module - Time *time.Time // time version was created - Update *Module // available update, if any (with -u) - Main bool // is this the main module? - Indirect bool // is this module only an indirect dependency of main module? - Dir string // directory holding files for this module, if any - GoMod string // path to go.mod file used when loading this module, if any - GoVersion string // go version used in module - Error *ModuleError // error loading module -} -type ModuleError struct { - Err string // the error itself -} +import ( + "golang.org/x/tools/internal/gocommand" +) var GetForTest = func(p interface{}) string { return "" } -var GetModule = func(p interface{}) *Module { return nil } +var GetGoCmdRunner = func(config interface{}) *gocommand.Runner { return nil } + +var SetGoCmdRunner = func(config interface{}, runner *gocommand.Runner) {} + +var TypecheckCgo int diff --git a/vendor/golang.org/x/tools/internal/typesinternal/types.go b/vendor/golang.org/x/tools/internal/typesinternal/types.go new file mode 100644 index 000000000..a5bb408e2 --- /dev/null +++ b/vendor/golang.org/x/tools/internal/typesinternal/types.go @@ -0,0 +1,28 @@ +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package typesinternal + +import ( + "go/types" + "reflect" + "unsafe" +) + +func SetUsesCgo(conf *types.Config) bool { + v := reflect.ValueOf(conf).Elem() + + f := v.FieldByName("go115UsesCgo") + if !f.IsValid() { + f = v.FieldByName("UsesCgo") + if !f.IsValid() { + return false + } + } + + addr := unsafe.Pointer(f.UnsafeAddr()) + *(*bool)(addr) = true + + return true +} diff --git a/vendor/modules.txt b/vendor/modules.txt index 50cf85855..c815f5214 100644 --- a/vendor/modules.txt +++ b/vendor/modules.txt @@ -1,10 +1,10 @@ # cloud.google.com/go v0.45.0 ## explicit cloud.google.com/go/compute/metadata -# gitea.com/jolheiser/gitea-vet v0.1.0 +# code.gitea.io/gitea-vet v0.2.1 ## explicit -gitea.com/jolheiser/gitea-vet -gitea.com/jolheiser/gitea-vet/checks +code.gitea.io/gitea-vet +code.gitea.io/gitea-vet/checks # gitea.com/lunny/levelqueue v0.3.0 ## explicit gitea.com/lunny/levelqueue @@ -769,10 +769,10 @@ golang.org/x/crypto/ssh golang.org/x/crypto/ssh/agent golang.org/x/crypto/ssh/internal/bcrypt_pbkdf golang.org/x/crypto/ssh/knownhosts -# golang.org/x/mod v0.2.0 +# golang.org/x/mod v0.3.0 golang.org/x/mod/module golang.org/x/mod/semver -# golang.org/x/net v0.0.0-20200602114024-627f9648deb9 +# golang.org/x/net v0.0.0-20200625001655-4c5254603344 ## explicit golang.org/x/net/context golang.org/x/net/context/ctxhttp @@ -823,7 +823,7 @@ golang.org/x/text/width # golang.org/x/time v0.0.0-20200416051211-89c76fbcd5d1 ## explicit golang.org/x/time/rate -# golang.org/x/tools v0.0.0-20200325010219-a49f79bcc224 +# golang.org/x/tools v0.0.0-20200814230902-9882f1d1823d ## explicit golang.org/x/tools/cover golang.org/x/tools/go/analysis @@ -840,11 +840,18 @@ golang.org/x/tools/go/loader golang.org/x/tools/go/packages golang.org/x/tools/go/types/objectpath golang.org/x/tools/imports +golang.org/x/tools/internal/analysisinternal +golang.org/x/tools/internal/event +golang.org/x/tools/internal/event/core +golang.org/x/tools/internal/event/keys +golang.org/x/tools/internal/event/label golang.org/x/tools/internal/fastwalk golang.org/x/tools/internal/gocommand golang.org/x/tools/internal/gopathwalk golang.org/x/tools/internal/imports +golang.org/x/tools/internal/lsp/fuzzy golang.org/x/tools/internal/packagesinternal +golang.org/x/tools/internal/typesinternal # golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 golang.org/x/xerrors golang.org/x/xerrors/internal