/
triplemake.go
55 lines (47 loc) · 1.46 KB
/
triplemake.go
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// Copyright (c) Alisdair MacLeod <copying@alisdairmacleod.co.uk>
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
// PERFORMANCE OF THIS SOFTWARE.
package main
import (
"go/ast"
"golang.org/x/tools/go/analysis"
"golang.org/x/tools/go/analysis/singlechecker"
)
func main() {
singlechecker.Main(&analysis.Analyzer{
Name: "triplemake",
Doc: "finds make calls that do not use the 3 argument form",
Run: func(pass *analysis.Pass) (interface{}, error) {
for _, f := range pass.Files {
ast.Inspect(f, func(n ast.Node) bool {
call, ok := n.(*ast.CallExpr)
if !ok {
return true
}
ident, ok := call.Fun.(*ast.Ident)
if !ok {
return true
}
if ident.Name != "make" {
return true
}
if len(call.Args) == 3 {
return true
}
pass.Reportf(call.Pos(), "Non-three argument make call found")
return true
})
}
return nil, nil
},
})
}