PNG  IHDRxsBIT|d pHYs+tEXtSoftwarewww.inkscape.org<,tEXtComment File Manager

File Manager

Path: /opt/golang/1.22.0/src/runtime/debug/

Viewing File: mod.go

// Copyright 2018 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 debug

import (
	"fmt"
	"runtime"
	"strconv"
	"strings"
)

// exported from runtime.
func modinfo() string

// ReadBuildInfo returns the build information embedded
// in the running binary. The information is available only
// in binaries built with module support.
func ReadBuildInfo() (info *BuildInfo, ok bool) {
	data := modinfo()
	if len(data) < 32 {
		return nil, false
	}
	data = data[16 : len(data)-16]
	bi, err := ParseBuildInfo(data)
	if err != nil {
		return nil, false
	}

	// The go version is stored separately from other build info, mostly for
	// historical reasons. It is not part of the modinfo() string, and
	// ParseBuildInfo does not recognize it. We inject it here to hide this
	// awkwardness from the user.
	bi.GoVersion = runtime.Version()

	return bi, true
}

// BuildInfo represents the build information read from a Go binary.
type BuildInfo struct {
	// GoVersion is the version of the Go toolchain that built the binary
	// (for example, "go1.19.2").
	GoVersion string

	// Path is the package path of the main package for the binary
	// (for example, "golang.org/x/tools/cmd/stringer").
	Path string

	// Main describes the module that contains the main package for the binary.
	Main Module

	// Deps describes all the dependency modules, both direct and indirect,
	// that contributed packages to the build of this binary.
	Deps []*Module

	// Settings describes the build settings used to build the binary.
	Settings []BuildSetting
}

// A Module describes a single module included in a build.
type Module struct {
	Path    string  // module path
	Version string  // module version
	Sum     string  // checksum
	Replace *Module // replaced by this module
}

// A BuildSetting is a key-value pair describing one setting that influenced a build.
//
// Defined keys include:
//
//   - -buildmode: the buildmode flag used (typically "exe")
//   - -compiler: the compiler toolchain flag used (typically "gc")
//   - CGO_ENABLED: the effective CGO_ENABLED environment variable
//   - CGO_CFLAGS: the effective CGO_CFLAGS environment variable
//   - CGO_CPPFLAGS: the effective CGO_CPPFLAGS environment variable
//   - CGO_CXXFLAGS:  the effective CGO_CXXFLAGS environment variable
//   - CGO_LDFLAGS: the effective CGO_LDFLAGS environment variable
//   - GOARCH: the architecture target
//   - GOAMD64/GOARM/GO386/etc: the architecture feature level for GOARCH
//   - GOOS: the operating system target
//   - vcs: the version control system for the source tree where the build ran
//   - vcs.revision: the revision identifier for the current commit or checkout
//   - vcs.time: the modification time associated with vcs.revision, in RFC3339 format
//   - vcs.modified: true or false indicating whether the source tree had local modifications
type BuildSetting struct {
	// Key and Value describe the build setting.
	// Key must not contain an equals sign, space, tab, or newline.
	// Value must not contain newlines ('\n').
	Key, Value string
}

// quoteKey reports whether key is required to be quoted.
func quoteKey(key string) bool {
	return len(key) == 0 || strings.ContainsAny(key, "= \t\r\n\"`")
}

// quoteValue reports whether value is required to be quoted.
func quoteValue(value string) bool {
	return strings.ContainsAny(value, " \t\r\n\"`")
}

func (bi *BuildInfo) String() string {
	buf := new(strings.Builder)
	if bi.GoVersion != "" {
		fmt.Fprintf(buf, "go\t%s\n", bi.GoVersion)
	}
	if bi.Path != "" {
		fmt.Fprintf(buf, "path\t%s\n", bi.Path)
	}
	var formatMod func(string, Module)
	formatMod = func(word string, m Module) {
		buf.WriteString(word)
		buf.WriteByte('\t')
		buf.WriteString(m.Path)
		buf.WriteByte('\t')
		buf.WriteString(m.Version)
		if m.Replace == nil {
			buf.WriteByte('\t')
			buf.WriteString(m.Sum)
		} else {
			buf.WriteByte('\n')
			formatMod("=>", *m.Replace)
		}
		buf.WriteByte('\n')
	}
	if bi.Main != (Module{}) {
		formatMod("mod", bi.Main)
	}
	for _, dep := range bi.Deps {
		formatMod("dep", *dep)
	}
	for _, s := range bi.Settings {
		key := s.Key
		if quoteKey(key) {
			key = strconv.Quote(key)
		}
		value := s.Value
		if quoteValue(value) {
			value = strconv.Quote(value)
		}
		fmt.Fprintf(buf, "build\t%s=%s\n", key, value)
	}

	return buf.String()
}

func ParseBuildInfo(data string) (bi *BuildInfo, err error) {
	lineNum := 1
	defer func() {
		if err != nil {
			err = fmt.Errorf("could not parse Go build info: line %d: %w", lineNum, err)
		}
	}()

	var (
		pathLine  = "path\t"
		modLine   = "mod\t"
		depLine   = "dep\t"
		repLine   = "=>\t"
		buildLine = "build\t"
		newline   = "\n"
		tab       = "\t"
	)

	readModuleLine := func(elem []string) (Module, error) {
		if len(elem) != 2 && len(elem) != 3 {
			return Module{}, fmt.Errorf("expected 2 or 3 columns; got %d", len(elem))
		}
		version := elem[1]
		sum := ""
		if len(elem) == 3 {
			sum = elem[2]
		}
		return Module{
			Path:    elem[0],
			Version: version,
			Sum:     sum,
		}, nil
	}

	bi = new(BuildInfo)
	var (
		last *Module
		line string
		ok   bool
	)
	// Reverse of BuildInfo.String(), except for go version.
	for len(data) > 0 {
		line, data, ok = strings.Cut(data, newline)
		if !ok {
			break
		}
		switch {
		case strings.HasPrefix(line, pathLine):
			elem := line[len(pathLine):]
			bi.Path = string(elem)
		case strings.HasPrefix(line, modLine):
			elem := strings.Split(line[len(modLine):], tab)
			last = &bi.Main
			*last, err = readModuleLine(elem)
			if err != nil {
				return nil, err
			}
		case strings.HasPrefix(line, depLine):
			elem := strings.Split(line[len(depLine):], tab)
			last = new(Module)
			bi.Deps = append(bi.Deps, last)
			*last, err = readModuleLine(elem)
			if err != nil {
				return nil, err
			}
		case strings.HasPrefix(line, repLine):
			elem := strings.Split(line[len(repLine):], tab)
			if len(elem) != 3 {
				return nil, fmt.Errorf("expected 3 columns for replacement; got %d", len(elem))
			}
			if last == nil {
				return nil, fmt.Errorf("replacement with no module on previous line")
			}
			last.Replace = &Module{
				Path:    string(elem[0]),
				Version: string(elem[1]),
				Sum:     string(elem[2]),
			}
			last = nil
		case strings.HasPrefix(line, buildLine):
			kv := line[len(buildLine):]
			if len(kv) < 1 {
				return nil, fmt.Errorf("build line missing '='")
			}

			var key, rawValue string
			switch kv[0] {
			case '=':
				return nil, fmt.Errorf("build line with missing key")

			case '`', '"':
				rawKey, err := strconv.QuotedPrefix(kv)
				if err != nil {
					return nil, fmt.Errorf("invalid quoted key in build line")
				}
				if len(kv) == len(rawKey) {
					return nil, fmt.Errorf("build line missing '=' after quoted key")
				}
				if c := kv[len(rawKey)]; c != '=' {
					return nil, fmt.Errorf("unexpected character after quoted key: %q", c)
				}
				key, _ = strconv.Unquote(rawKey)
				rawValue = kv[len(rawKey)+1:]

			default:
				var ok bool
				key, rawValue, ok = strings.Cut(kv, "=")
				if !ok {
					return nil, fmt.Errorf("build line missing '=' after key")
				}
				if quoteKey(key) {
					return nil, fmt.Errorf("unquoted key %q must be quoted", key)
				}
			}

			var value string
			if len(rawValue) > 0 {
				switch rawValue[0] {
				case '`', '"':
					var err error
					value, err = strconv.Unquote(rawValue)
					if err != nil {
						return nil, fmt.Errorf("invalid quoted value in build line")
					}

				default:
					value = rawValue
					if quoteValue(value) {
						return nil, fmt.Errorf("unquoted value %q must be quoted", value)
					}
				}
			}

			bi.Settings = append(bi.Settings, BuildSetting{Key: key, Value: value})
		}
		lineNum++
	}
	return bi, nil
}
b IDATxytVսϓ22 A@IR :hCiZ[v*E:WũZA ^dQeQ @ !jZ'>gsV仿$|?g)&x-EIENT ;@xT.i%-X}SvS5.r/UHz^_$-W"w)Ɗ/@Z &IoX P$K}JzX:;` &, ŋui,e6mX ԵrKb1ԗ)DADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADA݀!I*]R;I2$eZ#ORZSrr6mteffu*((Pu'v{DIߔ4^pIm'77WEEE;vƎ4-$]'RI{\I&G :IHJ DWBB=\WR޽m o$K(V9ABB.}jѢv`^?IOȅ} ڶmG}T#FJ`56$-ھ}FI&v;0(h;Б38CӧOWf!;A i:F_m9s&|q%=#wZprrrla A &P\\СC[A#! {olF} `E2}MK/vV)i{4BffV\|ۭX`b@kɶ@%i$K z5zhmX[IXZ` 'b%$r5M4º/l ԃߖxhʔ)[@=} K6IM}^5k㏷݆z ΗÿO:gdGBmyT/@+Vɶ纽z񕏵l.y޴it뭷zV0[Y^>Wsqs}\/@$(T7f.InݺiR$푔n.~?H))\ZRW'Mo~v Ov6oԃxz! S,&xm/yɞԟ?'uaSѽb,8GלKboi&3t7Y,)JJ c[nzӳdE&KsZLӄ I?@&%ӟ۶mSMMњ0iؐSZ,|J+N ~,0A0!5%Q-YQQa3}$_vVrf9f?S8`zDADADADADADADADADAdqP,تmMmg1V?rSI꒟]u|l RCyEf٢9 jURbztѰ!m5~tGj2DhG*{H9)꒟ר3:(+3\?/;TUݭʴ~S6lڧUJ*i$d(#=Yݺd{,p|3B))q:vN0Y.jkק6;SɶVzHJJЀ-utѹսk>QUU\޲~]fFnK?&ߡ5b=z9)^|u_k-[y%ZNU6 7Mi:]ۦtk[n X(e6Bb."8cۭ|~teuuw|ήI-5"~Uk;ZicEmN/:]M> cQ^uiƞ??Ңpc#TUU3UakNwA`:Y_V-8.KKfRitv޲* 9S6ֿj,ՃNOMߤ]z^fOh|<>@Å5 _/Iu?{SY4hK/2]4%it5q]GGe2%iR| W&f*^]??vq[LgE_3f}Fxu~}qd-ږFxu~I N>\;͗O֊:̗WJ@BhW=y|GgwܷH_NY?)Tdi'?խwhlmQi !SUUsw4kӺe4rfxu-[nHtMFj}H_u~w>)oV}(T'ebʒv3_[+vn@Ȭ\S}ot}w=kHFnxg S 0eޢm~l}uqZfFoZuuEg `zt~? b;t%>WTkķh[2eG8LIWx,^\thrl^Ϊ{=dž<}qV@ ⠨Wy^LF_>0UkDuʫuCs$)Iv:IK;6ֲ4{^6եm+l3>݆uM 9u?>Zc }g~qhKwڭeFMM~pМuqǿz6Tb@8@Y|jx](^]gf}M"tG -w.@vOqh~/HII`S[l.6nØXL9vUcOoB\xoǤ'T&IǍQw_wpv[kmO{w~>#=P1Pɞa-we:iǏlHo׈꒟f9SzH?+shk%Fs:qVhqY`jvO'ρ?PyX3lх]˾uV{ݞ]1,MzYNW~̈́ joYn}ȚF߾׮mS]F z+EDxm/d{F{-W-4wY듏:??_gPf ^3ecg ҵs8R2מz@TANGj)}CNi/R~}c:5{!ZHӋӾ6}T]G]7W6^n 9*,YqOZj:P?Q DFL|?-^.Ɵ7}fFh׶xe2Pscz1&5\cn[=Vn[ĶE鎀uˌd3GII k;lNmشOuuRVfBE]ۣeӶu :X-[(er4~LHi6:Ѻ@ԅrST0trk%$Č0ez" *z"T/X9|8.C5Feg}CQ%͞ˣJvL/?j^h&9xF`њZ(&yF&Iݻfg#W;3^{Wo^4'vV[[K';+mӍִ]AC@W?1^{එyh +^]fm~iԵ]AB@WTk̏t uR?l.OIHiYyԶ]Aˀ7c:q}ힽaf6Z~қm(+sK4{^6}T*UUu]n.:kx{:2 _m=sAߤU@?Z-Vކеz왍Nэ{|5 pڶn b p-@sPg]0G7fy-M{GCF'%{4`=$-Ge\ eU:m+Zt'WjO!OAF@ik&t݆ϥ_ e}=]"Wz_.͜E3leWFih|t-wZۍ-uw=6YN{6|} |*={Ѽn.S.z1zjۻTH]흾 DuDvmvK.`V]yY~sI@t?/ϓ. m&["+P?MzovVЫG3-GRR[(!!\_,^%?v@ҵő m`Y)tem8GMx.))A]Y i`ViW`?^~!S#^+ѽGZj?Vģ0.))A꨷lzL*]OXrY`DBBLOj{-MH'ii-ϰ ok7^ )쭡b]UXSְmռY|5*cֽk0B7镹%ڽP#8nȎq}mJr23_>lE5$iwui+ H~F`IjƵ@q \ @#qG0".0" l`„.0! ,AQHN6qzkKJ#o;`Xv2>,tێJJ7Z/*A .@fفjMzkg @TvZH3Zxu6Ra'%O?/dQ5xYkU]Rֽkق@DaS^RSּ5|BeHNN͘p HvcYcC5:y #`οb;z2.!kr}gUWkyZn=f Pvsn3p~;4p˚=ē~NmI] ¾ 0lH[_L hsh_ғߤc_њec)g7VIZ5yrgk̞W#IjӪv>՞y睝M8[|]\շ8M6%|@PZڨI-m>=k='aiRo-x?>Q.}`Ȏ:Wsmu u > .@,&;+!!˱tﭧDQwRW\vF\~Q7>spYw$%A~;~}6¾ g&if_=j,v+UL1(tWake:@Ș>j$Gq2t7S?vL|]u/ .(0E6Mk6hiۺzښOrifޱxm/Gx> Lal%%~{lBsR4*}{0Z/tNIɚpV^#Lf:u@k#RSu =S^ZyuR/.@n&΃z~B=0eg뺆#,Þ[B/?H uUf7y Wy}Bwegל`Wh(||`l`.;Ws?V@"c:iɍL֯PGv6zctM̠':wuW;d=;EveD}9J@B(0iհ bvP1{\P&G7D޴Iy_$-Qjm~Yrr&]CDv%bh|Yzni_ˆR;kg}nJOIIwyuL}{ЌNj}:+3Y?:WJ/N+Rzd=hb;dj͒suݔ@NKMԄ jqzC5@y°hL m;*5ezᕏ=ep XL n?מ:r`۵tŤZ|1v`V뽧_csج'ߤ%oTuumk%%%h)uy]Nk[n 'b2 l.=͜E%gf$[c;s:V-͞WߤWh-j7]4=F-X]>ZLSi[Y*We;Zan(ӇW|e(HNNP5[= r4tP &0<pc#`vTNV GFqvTi*Tyam$ߏWyE*VJKMTfFw>'$-ؽ.Ho.8c"@DADADADADADADADADA~j*֘,N;Pi3599h=goضLgiJ5փy~}&Zd9p֚ e:|hL``b/d9p? fgg+%%hMgXosج, ΩOl0Zh=xdjLmhݻoO[g_l,8a]٭+ӧ0$I]c]:粹:Teꢢ"5a^Kgh,&= =՟^߶“ߢE ܹS J}I%:8 IDAT~,9/ʃPW'Mo}zNƍ쨓zPbNZ~^z=4mswg;5 Y~SVMRXUյڱRf?s:w ;6H:ºi5-maM&O3;1IKeamZh͛7+##v+c ~u~ca]GnF'ټL~PPPbn voC4R,ӟgg %hq}@#M4IÇ Oy^xMZx ) yOw@HkN˖-Sǎmb]X@n+i͖!++K3gd\$mt$^YfJ\8PRF)77Wא!Cl$i:@@_oG I{$# 8磌ŋ91A (Im7֭>}ߴJq7ޗt^ -[ԩSj*}%]&' -ɓ'ꫯVzzvB#;a 7@GxI{j޼ƌ.LÇWBB7`O"I$/@R @eee@۷>}0,ɒ2$53Xs|cS~rpTYYY} kHc %&k.], @ADADADADADADADADA@lT<%''*Lo^={رc5h %$+CnܸQ3fҥK}vUVVs9G R,_{xˇ3o߾;TTTd}馛]uuuG~iԩ@4bnvmvfϞ /Peeeq}}za I~,誫{UWW뮻}_~YƍSMMMYχ֝waw\ďcxꩧtEƍկ_?۷5@u?1kNׯWzz/wy>}zj3 k(ٺuq_Zvf̘:~ ABQ&r|!%KҥKgԞ={<_X-z !CyFUUz~ ABQIIIjݺW$UXXDٳZ~ ABQƍecW$<(~<RSSvZujjjԧOZQu@4 8m&&&jԩg$ď1h ͟?_{768@g =@`)))5o6m3)ѣƌJ;wҿUTT /KZR{~a=@0o<*狔iFɶ[ˎ;T]]OX@?K.ۈxN pppppppppppppppppPfl߾] ,{ァk۶mڿo5BTӦMӴiӴ|r DB2e|An!Dy'tkΝ[A $***t5' "!駟oaDnΝ:t֭[gDШQ06qD;@ x M6v(PiizmZ4ew"@̴ixf [~-Fٱc&IZ2|n!?$@{[HTɏ#@hȎI# _m(F /6Z3z'\r,r!;w2Z3j=~GY7"I$iI.p_"?pN`y DD?: _  Gÿab7J !Bx@0 Bo cG@`1C[@0G @`0C_u V1 aCX>W ` | `!<S `"<. `#c`?cAC4 ?c p#~@0?:08&_MQ1J h#?/`7;I  q 7a wQ A 1 Hp !#<8/#@1Ul7=S=K.4Z?E_$i@!1!E4?`P_  @Bă10#: "aU,xbFY1 [n|n #'vEH:`xb #vD4Y hi.i&EΖv#O H4IŶ}:Ikh @tZRF#(tXҙzZ ?I3l7q@õ|ۍ1,GpuY Ꮿ@hJv#xxk$ v#9 5 }_$c S#=+"K{F*m7`#%H:NRSp6I?sIՖ{Ap$I$I:QRv2$Z @UJ*$]<FO4IENDB`