dependencies: update

set go min requirements to 1.19
update dependencies
update vendor

7 files changed, 0 insertions, 862 deletions

diff --git a/vendor/github.com/sylvia7788/contextcheck/.gitignore b/vendor/github.com/sylvia7788/contextcheck/.gitignore
deleted file mode 100644
index fc1b400c8..000000000
--- a/vendor/github.com/sylvia7788/contextcheck/.gitignore
+++ /dev/null
@@ -1,18 +0,0 @@
-# Binaries for programs and plugins
-*.exe
-*.exe~
-*.dll
-*.so
-*.dylib
-
-# Test binary, built with `go test -c`
-*.test
-
-# Output of the go coverage tool, specifically when used with LiteIDE
-*.out
-
-# Dependency directories (remove the comment below to include it)
-# vendor/
-
-.idea
-.DS_Store
diff --git a/vendor/github.com/sylvia7788/contextcheck/LICENSE b/vendor/github.com/sylvia7788/contextcheck/LICENSE
deleted file mode 100644
index 99e1c482a..000000000
--- a/vendor/github.com/sylvia7788/contextcheck/LICENSE
+++ /dev/null
@@ -1,201 +0,0 @@
-                                 Apache License
-                           Version 2.0, January 2004
-                        http://www.apache.org/licenses/
-
-   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
-
-   1. Definitions.
-
-      "License" shall mean the terms and conditions for use, reproduction,
-      and distribution as defined by Sections 1 through 9 of this document.
-
-      "Licensor" shall mean the copyright owner or entity authorized by
-      the copyright owner that is granting the License.
-
-      "Legal Entity" shall mean the union of the acting entity and all
-      other entities that control, are controlled by, or are under common
-      control with that entity. For the purposes of this definition,
-      "control" means (i) the power, direct or indirect, to cause the
-      direction or management of such entity, whether by contract or
-      otherwise, or (ii) ownership of fifty percent (50%) or more of the
-      outstanding shares, or (iii) beneficial ownership of such entity.
-
-      "You" (or "Your") shall mean an individual or Legal Entity
-      exercising permissions granted by this License.
-
-      "Source" form shall mean the preferred form for making modifications,
-      including but not limited to software source code, documentation
-      source, and configuration files.
-
-      "Object" form shall mean any form resulting from mechanical
-      transformation or translation of a Source form, including but
-      not limited to compiled object code, generated documentation,
-      and conversions to other media types.
-
-      "Work" shall mean the work of authorship, whether in Source or
-      Object form, made available under the License, as indicated by a
-      copyright notice that is included in or attached to the work
-      (an example is provided in the Appendix below).
-
-      "Derivative Works" shall mean any work, whether in Source or Object
-      form, that is based on (or derived from) the Work and for which the
-      editorial revisions, annotations, elaborations, or other modifications
-      represent, as a whole, an original work of authorship. For the purposes
-      of this License, Derivative Works shall not include works that remain
-      separable from, or merely link (or bind by name) to the interfaces of,
-      the Work and Derivative Works thereof.
-
-      "Contribution" shall mean any work of authorship, including
-      the original version of the Work and any modifications or additions
-      to that Work or Derivative Works thereof, that is intentionally
-      submitted to Licensor for inclusion in the Work by the copyright owner
-      or by an individual or Legal Entity authorized to submit on behalf of
-      the copyright owner. For the purposes of this definition, "submitted"
-      means any form of electronic, verbal, or written communication sent
-      to the Licensor or its representatives, including but not limited to
-      communication on electronic mailing lists, source code control systems,
-      and issue tracking systems that are managed by, or on behalf of, the
-      Licensor for the purpose of discussing and improving the Work, but
-      excluding communication that is conspicuously marked or otherwise
-      designated in writing by the copyright owner as "Not a Contribution."
-
-      "Contributor" shall mean Licensor and any individual or Legal Entity
-      on behalf of whom a Contribution has been received by Licensor and
-      subsequently incorporated within the Work.
-
-   2. Grant of Copyright License. Subject to the terms and conditions of
-      this License, each Contributor hereby grants to You a perpetual,
-      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
-      copyright license to reproduce, prepare Derivative Works of,
-      publicly display, publicly perform, sublicense, and distribute the
-      Work and such Derivative Works in Source or Object form.
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-   3. Grant of Patent License. Subject to the terms and conditions of
-      this License, each Contributor hereby grants to You a perpetual,
-      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
-      (except as stated in this section) patent license to make, have made,
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-      where such license applies only to those patent claims licensable
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-      Contribution(s) alone or by combination of their Contribution(s)
-      with the Work to which such Contribution(s) was submitted. If You
-      institute patent litigation against any entity (including a
-      cross-claim or counterclaim in a lawsuit) alleging that the Work
-      or a Contribution incorporated within the Work constitutes direct
-      or contributory patent infringement, then any patent licenses
-      granted to You under this License for that Work shall terminate
-      as of the date such litigation is filed.
-
-   4. Redistribution. You may reproduce and distribute copies of the
-      Work or Derivative Works thereof in any medium, with or without
-      modifications, and in Source or Object form, provided that You
-      meet the following conditions:
-
-      (a) You must give any other recipients of the Work or
-          Derivative Works a copy of this License; and
-
-      (b) You must cause any modified files to carry prominent notices
-          stating that You changed the files; and
-
-      (c) You must retain, in the Source form of any Derivative Works
-          that You distribute, all copyright, patent, trademark, and
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-
-      (d) If the Work includes a "NOTICE" text file as part of its
-          distribution, then any Derivative Works that You distribute must
-          include a readable copy of the attribution notices contained
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-          of the following places: within a NOTICE text file distributed
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-          wherever such third-party notices normally appear. The contents
-          of the NOTICE file are for informational purposes only and
-          do not modify the License. You may add Your own attribution
-          notices within Derivative Works that You distribute, alongside
-          or as an addendum to the NOTICE text from the Work, provided
-          that such additional attribution notices cannot be construed
-          as modifying the License.
-
-      You may add Your own copyright statement to Your modifications and
-      may provide additional or different license terms and conditions
-      for use, reproduction, or distribution of Your modifications, or
-      for any such Derivative Works as a whole, provided Your use,
-      reproduction, and distribution of the Work otherwise complies with
-      the conditions stated in this License.
-
-   5. Submission of Contributions. Unless You explicitly state otherwise,
-      any Contribution intentionally submitted for inclusion in the Work
-      by You to the Licensor shall be under the terms and conditions of
-      this License, without any additional terms or conditions.
-      Notwithstanding the above, nothing herein shall supersede or modify
-      the terms of any separate license agreement you may have executed
-      with Licensor regarding such Contributions.
-
-   6. Trademarks. This License does not grant permission to use the trade
-      names, trademarks, service marks, or product names of the Licensor,
-      except as required for reasonable and customary use in describing the
-      origin of the Work and reproducing the content of the NOTICE file.
-
-   7. Disclaimer of Warranty. Unless required by applicable law or
-      agreed to in writing, Licensor provides the Work (and each
-      Contributor provides its Contributions) on an "AS IS" BASIS,
-      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
-      implied, including, without limitation, any warranties or conditions
-      of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
-      PARTICULAR PURPOSE. You are solely responsible for determining the
-      appropriateness of using or redistributing the Work and assume any
-      risks associated with Your exercise of permissions under this License.
-
-   8. Limitation of Liability. In no event and under no legal theory,
-      whether in tort (including negligence), contract, or otherwise,
-      unless required by applicable law (such as deliberate and grossly
-      negligent acts) or agreed to in writing, shall any Contributor be
-      liable to You for damages, including any direct, indirect, special,
-      incidental, or consequential damages of any character arising as a
-      result of this License or out of the use or inability to use the
-      Work (including but not limited to damages for loss of goodwill,
-      work stoppage, computer failure or malfunction, or any and all
-      other commercial damages or losses), even if such Contributor
-      has been advised of the possibility of such damages.
-
-   9. Accepting Warranty or Additional Liability. While redistributing
-      the Work or Derivative Works thereof, You may choose to offer,
-      and charge a fee for, acceptance of support, warranty, indemnity,
-      or other liability obligations and/or rights consistent with this
-      License. However, in accepting such obligations, You may act only
-      on Your own behalf and on Your sole responsibility, not on behalf
-      of any other Contributor, and only if You agree to indemnify,
-      defend, and hold each Contributor harmless for any liability
-      incurred by, or claims asserted against, such Contributor by reason
-      of your accepting any such warranty or additional liability.
-
-   END OF TERMS AND CONDITIONS
-
-   APPENDIX: How to apply the Apache License to your work.
-
-      To apply the Apache License to your work, attach the following
-      boilerplate notice, with the fields enclosed by brackets "[]"
-      replaced with your own identifying information. (Don't include
-      the brackets!)  The text should be enclosed in the appropriate
-      comment syntax for the file format. We also recommend that a
-      file or class name and description of purpose be included on the
-      same "printed page" as the copyright notice for easier
-      identification within third-party archives.
-
-   Copyright 2021 sylvia.wang
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
diff --git a/vendor/github.com/sylvia7788/contextcheck/Makefile b/vendor/github.com/sylvia7788/contextcheck/Makefile
deleted file mode 100644
index 9321e9de3..000000000
--- a/vendor/github.com/sylvia7788/contextcheck/Makefile
+++ /dev/null
@@ -1,5 +0,0 @@
-build:
-	@GO111MODULE=on go build -ldflags '-s -w' -o contextcheck ./cmd/contextcheck/main.go
-
-install:
-	@GO111MODULE=on go install -ldflags '-s -w' ./cmd/contextcheck
diff --git a/vendor/github.com/sylvia7788/contextcheck/README.md b/vendor/github.com/sylvia7788/contextcheck/README.md
deleted file mode 100644
index dc951aca4..000000000
--- a/vendor/github.com/sylvia7788/contextcheck/README.md
+++ /dev/null
@@ -1,61 +0,0 @@
-[![CircleCI](https://circleci.com/gh/sylvia7788/contextcheck.svg?style=svg)](https://circleci.com/gh/sylvia7788/contextcheck)
-
-
-# contextcheck
-
-`contextcheck` is a static analysis tool, it is used to check the function whether use a non-inherited context, which will result in a broken call link.
-
-For example:
-
-```go
-func call1(ctx context.Context) {
-    ...
-
-    ctx = getNewCtx(ctx)
-    call2(ctx) // OK
-
-    call2(context.Background()) // Non-inherited new context, use function like `context.WithXXX` instead
-
-    call3() // Function `call3` should pass the context parameter
-    ...
-}
-
-func call2(ctx context.Context) {
-    ...
-}
-
-func call3() {
-    ctx := context.TODO()
-    call2(ctx)
-}
-
-func getNewCtx(ctx context.Context) (newCtx context.Context) {
-    ...
-    return
-}
-```
-
-## Installation
-
-You can get `contextcheck` by `go get` command.
-
-```bash
-$ go get -u github.com/sylvia7788/contextcheck
-```
-
-or build yourself.
-
-```bash
-$ make build
-$ make install
-```
-
-## Usage
-
-Invoke `contextcheck` with your package name
-
-```bash
-$ contextcheck ./...
-$ # or
-$ go vet -vettool=`which contextcheck` ./...
-```
diff --git a/vendor/github.com/sylvia7788/contextcheck/contextcheck.go b/vendor/github.com/sylvia7788/contextcheck/contextcheck.go
deleted file mode 100644
index 543a80209..000000000
--- a/vendor/github.com/sylvia7788/contextcheck/contextcheck.go
+++ /dev/null
@@ -1,507 +0,0 @@
-package contextcheck
-
-import (
-	"go/ast"
-	"go/token"
-	"go/types"
-	"strconv"
-	"strings"
-	"sync"
-
-	"github.com/gostaticanalysis/analysisutil"
-	"golang.org/x/tools/go/analysis"
-	"golang.org/x/tools/go/analysis/passes/buildssa"
-	"golang.org/x/tools/go/ssa"
-)
-
-func NewAnalyzer() *analysis.Analyzer {
-	return &analysis.Analyzer{
-		Name: "contextcheck",
-		Doc:  "check the function whether use a non-inherited context",
-		Run:  NewRun(),
-		Requires: []*analysis.Analyzer{
-			buildssa.Analyzer,
-		},
-	}
-}
-
-const (
-	ctxPkg  = "context"
-	ctxName = "Context"
-)
-
-const (
-	CtxIn      int = 1 << iota // ctx in function's param
-	CtxOut                     // ctx in function's results
-	CtxInField                 // ctx in function's field param
-
-	CtxInOut = CtxIn | CtxOut
-)
-
-var (
-	checkedMap     = make(map[string]bool)
-	checkedMapLock sync.RWMutex
-)
-
-type runner struct {
-	pass     *analysis.Pass
-	ctxTyp   *types.Named
-	ctxPTyp  *types.Pointer
-	cmpPath  string
-	skipFile map[*ast.File]bool
-}
-
-func NewRun() func(pass *analysis.Pass) (interface{}, error) {
-	return func(pass *analysis.Pass) (interface{}, error) {
-		r := new(runner)
-		r.run(pass)
-		return nil, nil
-	}
-}
-
-func (r *runner) run(pass *analysis.Pass) {
-	r.pass = pass
-	r.cmpPath = strings.Split(pass.Pkg.Path(), "/")[0]
-	pssa := pass.ResultOf[buildssa.Analyzer].(*buildssa.SSA)
-	funcs := pssa.SrcFuncs
-	name := pass.Pkg.Path()
-	_ = name
-
-	pkg := pssa.Pkg.Prog.ImportedPackage(ctxPkg)
-	if pkg == nil {
-		return
-	}
-
-	ctxType := pkg.Type(ctxName)
-	if ctxType == nil {
-		return
-	}
-
-	if resNamed, ok := ctxType.Object().Type().(*types.Named); !ok {
-		return
-	} else {
-		r.ctxTyp = resNamed
-		r.ctxPTyp = types.NewPointer(resNamed)
-	}
-
-	r.skipFile = make(map[*ast.File]bool)
-
-	for _, f := range funcs {
-		// skip checked function
-		key := f.RelString(nil)
-		_, ok := getValue(key)
-		if ok {
-			continue
-		}
-
-		if !r.checkIsEntry(f, f.Pos()) {
-			continue
-		}
-
-		r.checkFuncWithCtx(f)
-		setValue(key, true)
-	}
-}
-
-func (r *runner) noImportedContext(f *ssa.Function) (ret bool) {
-	if !f.Pos().IsValid() {
-		return false
-	}
-
-	file := analysisutil.File(r.pass, f.Pos())
-	if file == nil {
-		return false
-	}
-
-	if skip, has := r.skipFile[file]; has {
-		return skip
-	}
-	defer func() {
-		r.skipFile[file] = ret
-	}()
-
-	for _, impt := range file.Imports {
-		path, err := strconv.Unquote(impt.Path.Value)
-		if err != nil {
-			continue
-		}
-		path = analysisutil.RemoveVendor(path)
-		if path == ctxPkg {
-			return false
-		}
-	}
-
-	return true
-}
-
-func (r *runner) checkIsEntry(f *ssa.Function, pos token.Pos) (ret bool) {
-	if r.noImportedContext(f) {
-		return false
-	}
-
-	// check params
-	tuple := f.Signature.Params()
-	for i := 0; i < tuple.Len(); i++ {
-		if r.isCtxType(tuple.At(i).Type()) {
-			ret = true
-			break
-		}
-	}
-
-	// check freevars
-	for _, param := range f.FreeVars {
-		if r.isCtxType(param.Type()) {
-			ret = true
-			break
-		}
-	}
-
-	// check results
-	tuple = f.Signature.Results()
-	for i := 0; i < tuple.Len(); i++ {
-		// skip the function which generate ctx
-		if r.isCtxType(tuple.At(i).Type()) {
-			ret = false
-			break
-		}
-	}
-
-	return
-}
-
-func (r *runner) collectCtxRef(f *ssa.Function) (refMap map[ssa.Instruction]bool, ok bool) {
-	ok = true
-	refMap = make(map[ssa.Instruction]bool)
-	checkedRefMap := make(map[ssa.Value]bool)
-	storeInstrs := make(map[*ssa.Store]bool)
-	phiInstrs := make(map[*ssa.Phi]bool)
-
-	var checkRefs func(val ssa.Value, fromAddr bool)
-	var checkInstr func(instr ssa.Instruction, fromAddr bool)
-
-	checkRefs = func(val ssa.Value, fromAddr bool) {
-		if val == nil || val.Referrers() == nil {
-			return
-		}
-
-		if checkedRefMap[val] {
-			return
-		}
-		checkedRefMap[val] = true
-
-		for _, instr := range *val.Referrers() {
-			checkInstr(instr, fromAddr)
-		}
-	}
-
-	checkInstr = func(instr ssa.Instruction, fromAddr bool) {
-		switch i := instr.(type) {
-		case ssa.CallInstruction:
-			refMap[i] = true
-			tp := r.getCallInstrCtxType(i)
-			if tp&CtxOut != 0 {
-				// collect referrers of the results
-				checkRefs(i.Value(), false)
-				return
-			}
-		case *ssa.Store:
-			if fromAddr {
-				// collect all store to judge whether it's right value is valid
-				storeInstrs[i] = true
-			} else {
-				checkRefs(i.Addr, true)
-			}
-		case *ssa.UnOp:
-			checkRefs(i, false)
-		case *ssa.MakeClosure:
-			for _, param := range i.Bindings {
-				if r.isCtxType(param.Type()) {
-					refMap[i] = true
-					break
-				}
-			}
-		case *ssa.Extract:
-			// only care about ctx
-			if r.isCtxType(i.Type()) {
-				checkRefs(i, false)
-			}
-		case *ssa.Phi:
-			phiInstrs[i] = true
-			checkRefs(i, false)
-		case *ssa.TypeAssert:
-			// ctx.(*bm.Context)
-		}
-	}
-
-	for _, param := range f.Params {
-		if r.isCtxType(param.Type()) {
-			checkRefs(param, false)
-		}
-	}
-
-	for _, param := range f.FreeVars {
-		if r.isCtxType(param.Type()) {
-			checkRefs(param, false)
-		}
-	}
-
-	for instr := range storeInstrs {
-		if !checkedRefMap[instr.Val] {
-			r.pass.Reportf(instr.Pos(), "Non-inherited new context, use function like `context.WithXXX` instead")
-			ok = false
-		}
-	}
-
-	for instr := range phiInstrs {
-		for _, v := range instr.Edges {
-			if !checkedRefMap[v] {
-				r.pass.Reportf(instr.Pos(), "Non-inherited new context, use function like `context.WithXXX` instead")
-				ok = false
-			}
-		}
-	}
-
-	return
-}
-
-func (r *runner) buildPkg(f *ssa.Function) {
-	if f.Blocks != nil {
-		return
-	}
-
-	// only build the pkg which is in the same repo
-	if r.checkIsSameRepo(f.Pkg.Pkg.Path()) {
-		f.Pkg.Build()
-	}
-}
-
-func (r *runner) checkIsSameRepo(s string) bool {
-	return strings.HasPrefix(s, r.cmpPath+"/")
-}
-
-func (r *runner) checkFuncWithCtx(f *ssa.Function) {
-	refMap, ok := r.collectCtxRef(f)
-	if !ok {
-		return
-	}
-
-	for _, b := range f.Blocks {
-		for _, instr := range b.Instrs {
-			tp, ok := r.getCtxType(instr)
-			if !ok {
-				continue
-			}
-
-			// checked in collectCtxRef, skipped
-			if tp&CtxOut != 0 {
-				continue
-			}
-
-			if tp&CtxIn != 0 {
-				if !refMap[instr] {
-					r.pass.Reportf(instr.Pos(), "Non-inherited new context, use function like `context.WithXXX` instead")
-				}
-			}
-
-			ff := r.getFunction(instr)
-			if ff == nil {
-				continue
-			}
-
-			key := ff.RelString(nil)
-			valid, ok := getValue(key)
-			if ok {
-				if !valid {
-					r.pass.Reportf(instr.Pos(), "Function `%s` should pass the context parameter", ff.Name())
-				}
-				continue
-			}
-
-			// check is thunk or bound
-			if strings.HasSuffix(key, "$thunk") || strings.HasSuffix(key, "$bound") {
-				continue
-			}
-
-			// if ff has no ctx, start deep traversal check
-			if !r.checkIsEntry(ff, instr.Pos()) {
-				r.buildPkg(ff)
-
-				checkingMap := make(map[string]bool)
-				checkingMap[key] = true
-				valid := r.checkFuncWithoutCtx(ff, checkingMap)
-				setValue(key, valid)
-				if !valid {
-					r.pass.Reportf(instr.Pos(), "Function `%s` should pass the context parameter", ff.Name())
-				}
-			}
-		}
-	}
-}
-
-func (r *runner) checkFuncWithoutCtx(f *ssa.Function, checkingMap map[string]bool) (ret bool) {
-	ret = true
-	for _, b := range f.Blocks {
-		for _, instr := range b.Instrs {
-			tp, ok := r.getCtxType(instr)
-			if !ok {
-				continue
-			}
-
-			if tp&CtxOut != 0 {
-				continue
-			}
-
-			// it is considered illegal as long as ctx is in the input and not in *struct X
-			if tp&CtxIn != 0 {
-				if tp&CtxInField == 0 {
-					ret = false
-				}
-				continue
-			}
-
-			ff := r.getFunction(instr)
-			if ff == nil {
-				continue
-			}
-
-			key := ff.RelString(nil)
-			valid, ok := getValue(key)
-			if ok {
-				if !valid {
-					ret = false
-					r.pass.Reportf(instr.Pos(), "Function `%s` should pass the context parameter", ff.Name())
-				}
-				continue
-			}
-
-			// check is thunk or bound
-			if strings.HasSuffix(key, "$thunk") || strings.HasSuffix(key, "$bound") {
-				continue
-			}
-
-			if !r.checkIsEntry(ff, instr.Pos()) {
-				// handler ring call
-				if checkingMap[key] {
-					continue
-				}
-				checkingMap[key] = true
-
-				r.buildPkg(ff)
-
-				valid := r.checkFuncWithoutCtx(ff, checkingMap)
-				setValue(key, valid)
-				if !valid {
-					ret = false
-					r.pass.Reportf(instr.Pos(), "Function `%s` should pass the context parameter", ff.Name())
-				}
-			}
-		}
-	}
-	return ret
-}
-
-func (r *runner) getCtxType(instr ssa.Instruction) (tp int, ok bool) {
-	switch i := instr.(type) {
-	case ssa.CallInstruction:
-		tp = r.getCallInstrCtxType(i)
-		ok = true
-	case *ssa.MakeClosure:
-		tp = r.getMakeClosureCtxType(i)
-		ok = true
-	}
-	return
-}
-
-func (r *runner) getCallInstrCtxType(c ssa.CallInstruction) (tp int) {
-	// check params
-	for _, v := range c.Common().Args {
-		if r.isCtxType(v.Type()) {
-			if vv, ok := v.(*ssa.UnOp); ok {
-				if _, ok := vv.X.(*ssa.FieldAddr); ok {
-					tp |= CtxInField
-				}
-			}
-
-			tp |= CtxIn
-			break
-		}
-	}
-
-	// check results
-	if v := c.Value(); v != nil {
-		if r.isCtxType(v.Type()) {
-			tp |= CtxOut
-		} else {
-			tuple, ok := v.Type().(*types.Tuple)
-			if !ok {
-				return
-			}
-			for i := 0; i < tuple.Len(); i++ {
-				if r.isCtxType(tuple.At(i).Type()) {
-					tp |= CtxOut
-					break
-				}
-			}
-		}
-	}
-
-	return
-}
-
-func (r *runner) getMakeClosureCtxType(c *ssa.MakeClosure) (tp int) {
-	for _, v := range c.Bindings {
-		if r.isCtxType(v.Type()) {
-			if vv, ok := v.(*ssa.UnOp); ok {
-				if _, ok := vv.X.(*ssa.FieldAddr); ok {
-					tp |= CtxInField
-				}
-			}
-
-			tp |= CtxIn
-			break
-		}
-	}
-	return
-}
-
-func (r *runner) getFunction(instr ssa.Instruction) (f *ssa.Function) {
-	switch i := instr.(type) {
-	case ssa.CallInstruction:
-		if i.Common().IsInvoke() {
-			return
-		}
-
-		switch c := i.Common().Value.(type) {
-		case *ssa.Function:
-			f = c
-		case *ssa.MakeClosure:
-			// captured in the outer layer
-		case *ssa.Builtin, *ssa.UnOp, *ssa.Lookup, *ssa.Phi:
-			// skipped
-		case *ssa.Extract, *ssa.Call:
-			// function is a result of a call, skipped
-		case *ssa.Parameter:
-			// function is a param, skipped
-		}
-	case *ssa.MakeClosure:
-		f = i.Fn.(*ssa.Function)
-	}
-	return
-}
-
-func (r *runner) isCtxType(tp types.Type) bool {
-	return types.Identical(tp, r.ctxTyp) || types.Identical(tp, r.ctxPTyp)
-}
-
-func getValue(key string) (valid, ok bool) {
-	checkedMapLock.RLock()
-	valid, ok = checkedMap[key]
-	checkedMapLock.RUnlock()
-	return
-}
-
-func setValue(key string, valid bool) {
-	checkedMapLock.Lock()
-	checkedMap[key] = valid
-	checkedMapLock.Unlock()
-}
diff --git a/vendor/github.com/sylvia7788/contextcheck/go.mod b/vendor/github.com/sylvia7788/contextcheck/go.mod
deleted file mode 100644
index 95b9ffaef..000000000
--- a/vendor/github.com/sylvia7788/contextcheck/go.mod
+++ /dev/null
@@ -1,8 +0,0 @@
-module github.com/sylvia7788/contextcheck
-
-go 1.15
-
-require (
-	github.com/gostaticanalysis/analysisutil v0.7.1
-	golang.org/x/tools v0.1.5
-)
diff --git a/vendor/github.com/sylvia7788/contextcheck/go.sum b/vendor/github.com/sylvia7788/contextcheck/go.sum
deleted file mode 100644
index 08eb2c77b..000000000
--- a/vendor/github.com/sylvia7788/contextcheck/go.sum
+++ /dev/null
@@ -1,62 +0,0 @@
-github.com/google/go-cmp v0.5.2/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-github.com/google/go-cmp v0.5.4 h1:L8R9j+yAqZuZjsqh/z+F1NCffTKKLShY6zXTItVIZ8M=
-github.com/google/go-cmp v0.5.4/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-github.com/gostaticanalysis/analysisutil v0.7.1 h1:ZMCjoue3DtDWQ5WyU16YbjbQEQ3VuzwxALrpYd+HeKk=
-github.com/gostaticanalysis/analysisutil v0.7.1/go.mod h1:v21E3hY37WKMGSnbsw2S/ojApNWb6C1//mXO48CXbVc=
-github.com/gostaticanalysis/comment v1.4.2 h1:hlnx5+S2fY9Zo9ePo4AhgYsYHbM2+eAv8m/s1JiCd6Q=
-github.com/gostaticanalysis/comment v1.4.2/go.mod h1:KLUTGDv6HOCotCH8h2erHKmpci2ZoR8VPu34YA2uzdM=
-github.com/gostaticanalysis/testutil v0.3.1-0.20210208050101-bfb5c8eec0e4 h1:d2/eIbH9XjD1fFwD5SHv8x168fjbQ9PB8hvs8DSEC08=
-github.com/gostaticanalysis/testutil v0.3.1-0.20210208050101-bfb5c8eec0e4/go.mod h1:D+FIZ+7OahH3ePw/izIEeH5I06eKs1IKI4Xr64/Am3M=
-github.com/hashicorp/go-version v1.2.1 h1:zEfKbn2+PDgroKdiOzqiE8rsmLqU2uwi5PB5pBJ3TkI=
-github.com/hashicorp/go-version v1.2.1/go.mod h1:fltr4n8CU8Ke44wwGCBoEymUuxUHl09ZGVZPK5anwXA=
-github.com/otiai10/copy v1.2.0 h1:HvG945u96iNadPoG2/Ja2+AUJeW5YuFQMixq9yirC+k=
-github.com/otiai10/copy v1.2.0/go.mod h1:rrF5dJ5F0t/EWSYODDu4j9/vEeYHMkc8jt0zJChqQWw=
-github.com/otiai10/curr v0.0.0-20150429015615-9b4961190c95/go.mod h1:9qAhocn7zKJG+0mI8eUu6xqkFDYS2kb2saOteoSB3cE=
-github.com/otiai10/curr v1.0.0 h1:TJIWdbX0B+kpNagQrjgq8bCMrbhiuX73M2XwgtDMoOI=
-github.com/otiai10/curr v1.0.0/go.mod h1:LskTG5wDwr8Rs+nNQ+1LlxRjAtTZZjtJW4rMXl6j4vs=
-github.com/otiai10/mint v1.3.0/go.mod h1:F5AjcsTsWUqX+Na9fpHb52P8pcRX2CI6A3ctIT91xUo=
-github.com/otiai10/mint v1.3.1 h1:BCmzIS3n71sGfHB5NMNDB3lHYPz8fWSkCAErHed//qc=
-github.com/otiai10/mint v1.3.1/go.mod h1:/yxELlJQ0ufhjUwhshSj+wFjZ78CnZ48/1wtmBH1OTc=
-github.com/tenntenn/modver v1.0.1 h1:2klLppGhDgzJrScMpkj9Ujy3rXPUspSjAcev9tSEBgA=
-github.com/tenntenn/modver v1.0.1/go.mod h1:bePIyQPb7UeioSRkw3Q0XeMhYZSMx9B8ePqg6SAMGH0=
-github.com/tenntenn/text/transform v0.0.0-20200319021203-7eef512accb3 h1:f+jULpRQGxTSkNYKJ51yaw6ChIqO+Je8UqsTKN/cDag=
-github.com/tenntenn/text/transform v0.0.0-20200319021203-7eef512accb3/go.mod h1:ON8b8w4BN/kE1EOhwT0o+d62W65a6aPw1nouo9LMgyY=
-github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
-github.com/yuin/goldmark v1.3.5/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
-golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
-golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
-golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
-golang.org/x/mod v0.4.1/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
-golang.org/x/mod v0.4.2 h1:Gz96sIWK3OalVv/I/qNygP42zyoKp3xptRVCWRFEBvo=
-golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
-golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
-golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
-golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
-golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4/go.mod h1:p54w0d4576C0XHj96bSt6lcn1PtDYWL6XObtHCRCNQM=
-golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210510120138-977fb7262007 h1:gG67DSER+11cZvqIMb8S8bt0vZtiN6xWYARwirrOSfE=
-golang.org/x/sys v0.0.0-20210510120138-977fb7262007/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
-golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
-golang.org/x/text v0.3.3 h1:cokOdA+Jmi5PJGXLlLllQSgYigAEfHXJAERHVMaCc2k=
-golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
-golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
-golang.org/x/tools v0.1.1-0.20210205202024-ef80cdb6ec6d/go.mod h1:9bzcO0MWcOuT0tm1iBGzDVPshzfwoVvREIui8C+MHqU=
-golang.org/x/tools v0.1.1-0.20210302220138-2ac05c832e1a/go.mod h1:9bzcO0MWcOuT0tm1iBGzDVPshzfwoVvREIui8C+MHqU=
-golang.org/x/tools v0.1.5 h1:ouewzE6p+/VEB31YYnTbEJdi8pFqKp4P4n85vwo3DHA=
-golang.org/x/tools v0.1.5/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
-golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
-golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=