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Golang obj.Expstring函數代碼示例

本文整理匯總了Golang中cmd/internal/obj.Expstring函數的典型用法代碼示例。如果您正苦於以下問題：Golang Expstring函數的具體用法？Golang Expstring怎麽用？Golang Expstring使用的例子？那麽, 這裏精選的函數代碼示例或許可以為您提供幫助。


在下文中一共展示了Expstring函數的9個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Golang代碼示例。

示例1: doversion

func doversion() {
	p := obj.Expstring()
	if p == "X:none" {
		p = ""
	}
	sep := ""
	if p != "" {
		sep = " "
	}
	fmt.Printf("compile version %s%s%s\n", obj.Version, sep, p)
	os.Exit(0)
}
開發者ID:achanda，項目名稱:go，代碼行數:12，代碼來源:main.go

示例2: doversion

func doversion() {
	p := obj.Expstring()
	if p == "X:none" {
		p = ""
	}
	sep := ""
	if p != "" {
		sep = " "
	}
	fmt.Printf("%cg version %s%s%s\n", Thearch.Thechar, obj.Getgoversion(), sep, p)
	os.Exit(0)
}
開發者ID:tidatida，項目名稱:go，代碼行數:12，代碼來源:lex.go

示例3: dumpobj

func dumpobj() {
	var err error
	bout, err = obj.Bopenw(outfile)
	if err != nil {
		Flusherrors()
		fmt.Printf("can't create %s: %v\n", outfile, err)
		errorexit()
	}

	startobj := int64(0)
	var arhdr [ArhdrSize]byte
	if writearchive != 0 {
		obj.Bwritestring(bout, "!<arch>\n")
		arhdr = [ArhdrSize]byte{}
		bout.Write(arhdr[:])
		startobj = obj.Boffset(bout)
	}

	fmt.Fprintf(bout, "go object %s %s %s %s\n", obj.Getgoos(), obj.Getgoarch(), obj.Getgoversion(), obj.Expstring())
	dumpexport()

	if writearchive != 0 {
		bout.Flush()
		size := obj.Boffset(bout) - startobj
		if size&1 != 0 {
			obj.Bputc(bout, 0)
		}
		obj.Bseek(bout, startobj-ArhdrSize, 0)
		formathdr(arhdr[:], "__.PKGDEF", size)
		bout.Write(arhdr[:])
		bout.Flush()

		obj.Bseek(bout, startobj+size+(size&1), 0)
		arhdr = [ArhdrSize]byte{}
		bout.Write(arhdr[:])
		startobj = obj.Boffset(bout)
		fmt.Fprintf(bout, "go object %s %s %s %s\n", obj.Getgoos(), obj.Getgoarch(), obj.Getgoversion(), obj.Expstring())
	}

	if pragcgobuf != "" {
		if writearchive != 0 {
			// write empty export section; must be before cgo section
			fmt.Fprintf(bout, "\n$$\n\n$$\n\n")
		}

		fmt.Fprintf(bout, "\n$$  // cgo\n")
		fmt.Fprintf(bout, "%s\n$$\n\n", pragcgobuf)
	}

	fmt.Fprintf(bout, "\n!\n")

	externs := len(externdcl)

	dumpglobls()
	dumptypestructs()

	// Dump extra globals.
	tmp := externdcl

	if externdcl != nil {
		externdcl = externdcl[externs:]
	}
	dumpglobls()
	externdcl = tmp

	dumpdata()
	obj.Writeobjdirect(Ctxt, bout)

	if writearchive != 0 {
		bout.Flush()
		size := obj.Boffset(bout) - startobj
		if size&1 != 0 {
			obj.Bputc(bout, 0)
		}
		obj.Bseek(bout, startobj-ArhdrSize, 0)
		formathdr(arhdr[:], "_go_.o", size)
		bout.Write(arhdr[:])
	}

	obj.Bterm(bout)
}
開發者ID:ronaldslc，項目名稱:go，代碼行數:81，代碼來源:obj.go

示例4: importfile


//.........這裏部分代碼省略.........

	importpkg.Imported = true

	impf, err := os.Open(file)
	if err != nil {
		yyerror("can't open import: %q: %v", path_, err)
		errorexit()
	}
	defer impf.Close()
	imp := bufio.NewReader(impf)

	if strings.HasSuffix(file, ".a") {
		if !skiptopkgdef(imp) {
			yyerror("import %s: not a package file", file)
			errorexit()
		}
	}

	// check object header
	p, err := imp.ReadString('\n')
	if err != nil {
		log.Fatalf("reading input: %v", err)
	}
	if len(p) > 0 {
		p = p[:len(p)-1]
	}

	if p != "empty archive" {
		if !strings.HasPrefix(p, "go object ") {
			yyerror("import %s: not a go object file: %s", file, p)
			errorexit()
		}

		q := fmt.Sprintf("%s %s %s %s", obj.GOOS, obj.GOARCH, obj.Version, obj.Expstring())
		if p[10:] != q {
			yyerror("import %s: object is [%s] expected [%s]", file, p[10:], q)
			errorexit()
		}
	}

	// process header lines
	safe := false
	for {
		p, err = imp.ReadString('\n')
		if err != nil {
			log.Fatalf("reading input: %v", err)
		}
		if p == "\n" {
			break // header ends with blank line
		}
		if strings.HasPrefix(p, "safe") {
			safe = true
			break // ok to ignore rest
		}
	}
	if safemode && !safe {
		yyerror("cannot import unsafe package %q", importpkg.Path)
	}

	// assume files move (get installed)
	// so don't record the full path.
	linehistpragma(file[len(file)-len(path_)-2:]) // acts as #pragma lib

	// In the importfile, if we find:
	// $$\n  (textual format): not supported anymore
	// $$B\n (binary format) : import directly, then feed the lexer a dummy statement
開發者ID:achanda，項目名稱:go，代碼行數:67，代碼來源:main.go

示例5: importfile


//.........這裏部分代碼省略.........

		if isbadimport(path_) {
			fakeimport()
			return
		}
	}

	file, found := findpkg(path_)
	if !found {
		Yyerror("can't find import: %q", f.U.Sval)
		errorexit()
	}

	importpkg = mkpkg(path_)

	// If we already saw that package, feed a dummy statement
	// to the lexer to avoid parsing export data twice.
	if importpkg.Imported != 0 {
		tag := ""
		if importpkg.Safe {
			tag = "safe"
		}

		p := fmt.Sprintf("package %s %s\n$$\n", importpkg.Name, tag)
		cannedimports(file, p)
		return
	}

	importpkg.Imported = 1

	var err error
	var imp *obj.Biobuf
	imp, err = obj.Bopenr(file)
	if err != nil {
		Yyerror("can't open import: %q: %v", f.U.Sval, err)
		errorexit()
	}

	if strings.HasSuffix(file, ".a") {
		if !skiptopkgdef(imp) {
			Yyerror("import %s: not a package file", file)
			errorexit()
		}
	}

	// check object header
	p := obj.Brdstr(imp, '\n', 1)

	if p != "empty archive" {
		if !strings.HasPrefix(p, "go object ") {
			Yyerror("import %s: not a go object file", file)
			errorexit()
		}

		q := fmt.Sprintf("%s %s %s %s", obj.Getgoos(), obj.Getgoarch(), obj.Getgoversion(), obj.Expstring())
		if p[10:] != q {
			Yyerror("import %s: object is [%s] expected [%s]", file, p[10:], q)
			errorexit()
		}
	}

	// assume files move (get installed)
	// so don't record the full path.
	linehist(file[len(file)-len(path_)-2:], -1, 1) // acts as #pragma lib

	/*
	 * position the input right
	 * after $$ and return
	 */
	pushedio = curio

	curio.bin = imp
	curio.peekc = 0
	curio.peekc1 = 0
	curio.infile = file
	curio.nlsemi = 0
	typecheckok = 1

	var c int32
	for {
		c = int32(getc())
		if c == EOF {
			break
		}
		if c != '$' {
			continue
		}
		c = int32(getc())
		if c == EOF {
			break
		}
		if c != '$' {
			continue
		}
		return
	}

	Yyerror("no import in %q", f.U.Sval)
	unimportfile()
}
開發者ID:tidatida，項目名稱:go，代碼行數:101，代碼來源:lex.go

示例6: importfile


//.........這裏部分代碼省略.........
		}

		p := fmt.Sprintf("package %s %s\n$$\n", importpkg.Name, tag)
		cannedimports(file, p)
		return
	}

	importpkg.Imported = true

	var err error
	var imp *obj.Biobuf
	imp, err = obj.Bopenr(file)
	if err != nil {
		Yyerror("can't open import: %q: %v", f.U.(string), err)
		errorexit()
	}

	if strings.HasSuffix(file, ".a") {
		if !skiptopkgdef(imp) {
			Yyerror("import %s: not a package file", file)
			errorexit()
		}
	}

	// check object header
	p := obj.Brdstr(imp, '\n', 1)

	if p != "empty archive" {
		if !strings.HasPrefix(p, "go object ") {
			Yyerror("import %s: not a go object file", file)
			errorexit()
		}

		q := fmt.Sprintf("%s %s %s %s", obj.Getgoos(), obj.Getgoarch(), obj.Getgoversion(), obj.Expstring())
		if p[10:] != q {
			Yyerror("import %s: object is [%s] expected [%s]", file, p[10:], q)
			errorexit()
		}
	}

	// assume files move (get installed)
	// so don't record the full path.
	linehistpragma(file[len(file)-len(path_)-2:]) // acts as #pragma lib

	// In the importfile, if we find:
	// $$\n  (old format): position the input right after $$\n and return
	// $$B\n (new format): import directly, then feed the lexer a dummy statement

	// look for $$
	var c int
	for {
		c = obj.Bgetc(imp)
		if c < 0 {
			break
		}
		if c == '$' {
			c = obj.Bgetc(imp)
			if c == '$' || c < 0 {
				break
			}
		}
	}

	// get character after $$
	if c >= 0 {
		c = obj.Bgetc(imp)
開發者ID:ckeyer，項目名稱:gosrc，代碼行數:67，代碼來源:lex.go

示例7: importfile


//.........這裏部分代碼省略.........
			prefix = localimport
		}
		path_ = path.Join(prefix, path_)

		if isbadimport(path_) {
			return
		}
	}

	file, found := findpkg(path_)
	if !found {
		Yyerror("can't find import: %q", path_)
		errorexit()
	}

	importpkg = mkpkg(path_)

	if importpkg.Imported {
		return
	}

	importpkg.Imported = true

	imp, err := obj.Bopenr(file)
	if err != nil {
		Yyerror("can't open import: %q: %v", path_, err)
		errorexit()
	}
	defer obj.Bterm(imp)

	if strings.HasSuffix(file, ".a") {
		if !skiptopkgdef(imp) {
			Yyerror("import %s: not a package file", file)
			errorexit()
		}
	}

	// check object header
	p := obj.Brdstr(imp, '\n', 1)

	if p != "empty archive" {
		if !strings.HasPrefix(p, "go object ") {
			Yyerror("import %s: not a go object file", file)
			errorexit()
		}

		q := fmt.Sprintf("%s %s %s %s", obj.Getgoos(), obj.Getgoarch(), obj.Getgoversion(), obj.Expstring())
		if p[10:] != q {
			Yyerror("import %s: object is [%s] expected [%s]", file, p[10:], q)
			errorexit()
		}
	}

	// assume files move (get installed)
	// so don't record the full path.
	linehistpragma(file[len(file)-len(path_)-2:]) // acts as #pragma lib

	// In the importfile, if we find:
	// $$\n  (old format): position the input right after $$\n and return
	// $$B\n (new format): import directly, then feed the lexer a dummy statement

	// look for $$
	var c int
	for {
		c = obj.Bgetc(imp)
		if c < 0 {
			break
		}
		if c == '$' {
			c = obj.Bgetc(imp)
			if c == '$' || c < 0 {
				break
			}
		}
	}

	// get character after $$
	if c >= 0 {
		c = obj.Bgetc(imp)
	}

	switch c {
	case '\n':
		// old export format
		parse_import(imp, indent)

	case 'B':
		// new export format
		obj.Bgetc(imp) // skip \n after $$B
		Import(imp)

	default:
		Yyerror("no import in %q", path_)
		errorexit()
	}

	if safemode != 0 && !importpkg.Safe {
		Yyerror("cannot import unsafe package %q", importpkg.Path)
	}
}
開發者ID:vsayer，項目名稱:go，代碼行數:101，代碼來源:lex.go

示例8: dumpobj1

func dumpobj1(outfile string, mode int) {
	var err error
	bout, err = bio.Create(outfile)
	if err != nil {
		flusherrors()
		fmt.Printf("can't create %s: %v\n", outfile, err)
		errorexit()
	}

	startobj := int64(0)
	var arhdr [ArhdrSize]byte
	if writearchive {
		bout.WriteString("!<arch>\n")
		arhdr = [ArhdrSize]byte{}
		bout.Write(arhdr[:])
		startobj = bout.Offset()
	}

	printheader := func() {
		fmt.Fprintf(bout, "go object %s %s %s %s\n", obj.GOOS, obj.GOARCH, obj.Version, obj.Expstring())
		if buildid != "" {
			fmt.Fprintf(bout, "build id %q\n", buildid)
		}
		if localpkg.Name == "main" {
			fmt.Fprintf(bout, "main\n")
		}
		if safemode {
			fmt.Fprintf(bout, "safe\n")
		} else {
			fmt.Fprintf(bout, "----\n") // room for some other tool to write "safe"
		}
		fmt.Fprintf(bout, "\n") // header ends with blank line
	}

	printheader()

	if mode&modeCompilerObj != 0 {
		dumpexport()
	}

	if writearchive {
		bout.Flush()
		size := bout.Offset() - startobj
		if size&1 != 0 {
			bout.WriteByte(0)
		}
		bout.Seek(startobj-ArhdrSize, 0)
		formathdr(arhdr[:], "__.PKGDEF", size)
		bout.Write(arhdr[:])
		bout.Flush()
		bout.Seek(startobj+size+(size&1), 0)
	}

	if mode&modeLinkerObj == 0 {
		bout.Close()
		return
	}

	if writearchive {
		// start object file
		arhdr = [ArhdrSize]byte{}
		bout.Write(arhdr[:])
		startobj = bout.Offset()
		printheader()
	}

	if pragcgobuf != "" {
		if writearchive {
			// write empty export section; must be before cgo section
			fmt.Fprintf(bout, "\n$$\n\n$$\n\n")
		}

		fmt.Fprintf(bout, "\n$$  // cgo\n")
		fmt.Fprintf(bout, "%s\n$$\n\n", pragcgobuf)
	}

	fmt.Fprintf(bout, "\n!\n")

	externs := len(externdcl)

	dumpglobls()
	dumpptabs()
	dumptypestructs()

	// Dump extra globals.
	tmp := externdcl

	if externdcl != nil {
		externdcl = externdcl[externs:]
	}
	dumpglobls()
	externdcl = tmp

	if zerosize > 0 {
		zero := Pkglookup("zero", mappkg)
		ggloblsym(zero, int32(zerosize), obj.DUPOK|obj.RODATA)
	}

	obj.Writeobjdirect(Ctxt, bout.Writer)

//.........這裏部分代碼省略.........
開發者ID:kuangchanglang，項目名稱:go，代碼行數:101，代碼來源:obj.go

示例9: dumpobj

func dumpobj() {
	var err error
	bout, err = obj.Bopenw(outfile)
	if err != nil {
		Flusherrors()
		fmt.Printf("can't create %s: %v\n", outfile, err)
		errorexit()
	}

	startobj := int64(0)
	var arhdr [ArhdrSize]byte
	if writearchive != 0 {
		obj.Bwritestring(bout, "!<arch>\n")
		arhdr = [ArhdrSize]byte{}
		obj.Bwrite(bout, arhdr[:])
		startobj = obj.Boffset(bout)
	}

	fmt.Fprintf(bout, "go object %s %s %s %s\n", obj.Getgoos(), obj.Getgoarch(), obj.Getgoversion(), obj.Expstring())
	dumpexport()

	if writearchive != 0 {
		obj.Bflush(bout)
		size := obj.Boffset(bout) - startobj
		if size&1 != 0 {
			obj.Bputc(bout, 0)
		}
		obj.Bseek(bout, startobj-ArhdrSize, 0)
		formathdr(arhdr[:], "__.PKGDEF", size)
		obj.Bwrite(bout, arhdr[:])
		obj.Bflush(bout)

		obj.Bseek(bout, startobj+size+(size&1), 0)
		arhdr = [ArhdrSize]byte{}
		obj.Bwrite(bout, arhdr[:])
		startobj = obj.Boffset(bout)
		fmt.Fprintf(bout, "go object %s %s %s %s\n", obj.Getgoos(), obj.Getgoarch(), obj.Getgoversion(), obj.Expstring())
	}

	if pragcgobuf != "" {
		if writearchive != 0 {
			// write empty export section; must be before cgo section
			fmt.Fprintf(bout, "\n$$\n\n$$\n\n")
		}

		fmt.Fprintf(bout, "\n$$  // cgo\n")
		fmt.Fprintf(bout, "%s\n$$\n\n", pragcgobuf)
	}

	fmt.Fprintf(bout, "\n!\n")

	var externs *NodeList
	if externdcl != nil {
		externs = externdcl.End
	}

	dumpglobls()
	dumptypestructs()

	// Dump extra globals.
	tmp := externdcl

	if externs != nil {
		externdcl = externs.Next
	}
	dumpglobls()
	externdcl = tmp

	zero := Pkglookup("zerovalue", Runtimepkg)
	ggloblsym(zero, int32(zerosize), obj.DUPOK|obj.RODATA)

	dumpdata()
	obj.Writeobjdirect(Ctxt, bout)

	if writearchive != 0 {
		obj.Bflush(bout)
		size := obj.Boffset(bout) - startobj
		if size&1 != 0 {
			obj.Bputc(bout, 0)
		}
		obj.Bseek(bout, startobj-ArhdrSize, 0)
		name := fmt.Sprintf("_go_.%c", Thearch.Thechar)
		formathdr(arhdr[:], name, size)
		obj.Bwrite(bout, arhdr[:])
	}

	obj.Bterm(bout)
}
開發者ID:xslonepiece，項目名稱:goios，代碼行數:88，代碼來源:obj.go


注：本文中的cmd/internal/obj.Expstring函數示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。