source: code/trunk/vendor/modernc.org/ccgo/v3/lib/cover.go@ 822

// Copyright 2020 The CCGO 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 ccgo // import "modernc.org/ccgo/v3/lib"

import (
        "fmt"
        "runtime"
        "sort"
        "strings"
)

var (
        coverMap = map[uintptr]struct{}{}
)

func pc2origin(pc uintptr) string {
        f := runtime.FuncForPC(pc)
        var fn, fns string
        var fl int
        if f != nil {
                fn, fl = f.FileLine(pc)
                fns = f.Name()
                if x := strings.LastIndex(fns, "."); x > 0 {
                        fns = fns[x+1:]
                }
        }
        return fmt.Sprintf("%s:%d:%s", fn, fl, fns)
}

func coverReport() string {
        var a []string
        for pc := range coverMap {
                a = append(a, pc2origin(pc))
        }
        sort.Strings(a)
        return strings.Join(a, "\n")
}