How to use replaceTypedef method of compiler Package

Best Syzkaller code snippet using compiler.replaceTypedef

check.go

Source:check.go

...702	if desc == typeTypedef {703		err0 := comp.errors704		// Replace t with type alias/template target type inplace,705		// and check the replaced type recursively.706		comp.replaceTypedef(&ctx, t, flags)707		if err0 == comp.errors {708			comp.checkType(ctx, t, flags)709		}710		return711	}712	err0 := comp.errors713	comp.checkTypeBasic(t, desc, flags)714	if err0 != comp.errors {715		return716	}717	args := comp.checkTypeArgs(t, desc, flags)718	if err0 != comp.errors {719		return720	}721	for i, arg := range args {722		if desc.Args[i].Type == typeArgType {723			var innerFlags checkFlags724			if desc.Args[i].IsArg {725				innerFlags |= checkIsArg726			}727			comp.checkType(ctx, arg, innerFlags)728		} else {729			comp.checkTypeArg(t, arg, desc.Args[i])730		}731	}732	if err0 != comp.errors {733		return734	}735	if desc.Check != nil {736		_, args, base := comp.getArgsBase(t, flags&checkIsArg != 0)737		desc.Check(comp, t, args, base)738	}739}740func (comp *compiler) checkTypeBasic(t *ast.Type, desc *typeDesc, flags checkFlags) {741	for i, col := range t.Colon {742		if i >= desc.MaxColon {743			comp.error(col.Pos, "unexpected ':'")744			return745		}746		if flags&checkIsStruct == 0 {747			comp.error(col.Pos, "unexpected ':', only struct fields can be bitfields")748			return749		}750	}751	if flags&checkIsTypedef != 0 && !desc.CanBeTypedef {752		comp.error(t.Pos, "%v can't be type alias target", t.Ident)753		return754	}755	if flags&checkIsResourceBase != 0 &&756		(desc.CanBeResourceBase == nil || !desc.CanBeResourceBase(comp, t)) {757		comp.error(t.Pos, "%v can't be resource base (int types can)", t.Ident)758		return759	}760	canBeArg, canBeRet := false, false761	if desc.CanBeArgRet != nil {762		canBeArg, canBeRet = desc.CanBeArgRet(comp, t)763	}764	if flags&checkIsRet != 0 && !canBeRet {765		comp.error(t.Pos, "%v can't be syscall return", t.Ident)766		return767	}768	if flags&checkIsArg != 0 && !canBeArg {769		comp.error(t.Pos, "%v can't be syscall argument", t.Ident)770		return771	}772}773func (comp *compiler) checkTypeArgs(t *ast.Type, desc *typeDesc, flags checkFlags) []*ast.Type {774	args, opt := removeOpt(t)775	if opt != nil {776		if len(opt.Args) != 0 {777			comp.error(opt.Pos, "opt can't have arguments")778		}779		if flags&checkIsResourceBase != 0 || desc.CantBeOpt {780			what := "resource base"781			if desc.CantBeOpt {782				what = t.Ident783			}784			comp.error(opt.Pos, "%v can't be marked as opt", what)785			return nil786		}787	}788	addArgs := 0789	needBase := flags&checkIsArg == 0 && desc.NeedBase790	if needBase {791		addArgs++ // last arg must be base type, e.g. const[0, int32]792	}793	if len(args) > len(desc.Args)+addArgs || len(args) < len(desc.Args)-desc.OptArgs+addArgs {794		comp.error(t.Pos, "wrong number of arguments for type %v, expect %v",795			t.Ident, expectedTypeArgs(desc, needBase))796		return nil797	}798	if needBase {799		base := args[len(args)-1]800		args = args[:len(args)-1]801		comp.checkTypeArg(t, base, typeArgBase)802	}803	return args804}805func (comp *compiler) replaceTypedef(ctx *checkCtx, t *ast.Type, flags checkFlags) {806	typedefName := t.Ident807	comp.usedTypedefs[typedefName] = true808	if len(t.Colon) != 0 {809		comp.error(t.Pos, "type alias %v with ':'", t.Ident)810		return811	}812	typedef := comp.typedefs[typedefName]813	// Handling optional BASE argument.814	if len(typedef.Args) > 0 && typedef.Args[len(typedef.Args)-1].Name == argBase {815		if flags&checkIsArg != 0 && len(t.Args) == len(typedef.Args)-1 {816			t.Args = append(t.Args, &ast.Type{817				Pos:   t.Pos,818				Ident: "intptr",819			})...

replaceTypedef

Using AI Code Generation

1import (2func main() {3    fmt.Println("Hello, playground")4    c := c2go.NewCompiler()5    c.TranslateFile("1.c")6    c.ReplaceTypedef("int", "int32")7    c.TranslateFile("2.c")8}9typedef int int32;10int32 main() {11    printf("Hello, playground");12    return 0;13}

replaceTypedef

Using AI Code Generation

1import (2func main() {3	data, err := ioutil.ReadFile("1.go")4	if err != nil {5		log.Fatal(err)6	}7	file := string(data)8	compiler := Compiler{}9	file = compiler.replaceTypedef(file)10	err = ioutil.WriteFile("2.go", []byte(file), 0644)11	if err != nil {12		log.Fatal(err)13	}14}15type Compiler struct {16}17func (c Compiler) replaceTypedef(file string) string {18	lines := strings.Split(file, "19	for i := 0; i < len(lines); i++ {20		if strings.Contains(lines[i], "type") && strings.Contains(lines[i], "struct") {21			split := strings.Split(lines[i], " ")22			for j := i + 1; j < len(lines); j++ {23				if strings.Contains(lines[j], structName) {24					lines[j] = strings.Replace(lines[j], structName, split[1], -1)25				}26			}27		}28	}29	return strings.Join(lines, "30}31type person struct {32}33func main() {34	p := human{"John", 25}

replaceTypedef

Using AI Code Generation

1import (2func main() {3c := compiler.NewCompiler()4c.ReplaceTypedef("typedef int integer;")5fmt.Println(c.GetSource())6}7import (8func main() {9c := compiler.NewCompiler()10c.ReplaceTypedef("typedef int integer;")11fmt.Println(c.GetSource())12}13import (14func main() {15c := compiler.NewCompiler()16c.ReplaceTypedef("typedef int integer;")17fmt.Println(c.GetSource())18}19import (20func main() {21c := compiler.NewCompiler()22c.ReplaceTypedef("typedef int integer;")23fmt.Println(c.GetSource())24}25import (26func main() {27c := compiler.NewCompiler()28c.ReplaceTypedef("typedef int integer;")29fmt.Println(c.GetSource())30}31import (32func main() {33c := compiler.NewCompiler()34c.ReplaceTypedef("typedef int integer;")35fmt.Println(c.GetSource())36}37import (38func main() {39c := compiler.NewCompiler()40c.ReplaceTypedef("typedef int integer;")41fmt.Println(c.GetSource())42}43import (44func main() {45c := compiler.NewCompiler()46c.ReplaceTypedef("typedef int integer;")47fmt.Println(c.GetSource())48}49import (50func main() {51c := compiler.NewCompiler()52c.ReplaceTypedef("typedef int integer;")53fmt.Println(c.GetSource())54}

replaceTypedef

Using AI Code Generation

1import "fmt"2func main() {3    fmt.Printf("%d, %f, %s4}5import "fmt"6func main() {7    fmt.Printf("%d, %f, %s8}9import "fmt"10func main() {11    fmt.Printf("%d, %f, %s12}13import "fmt"14func main() {15    fmt.Printf("%d, %f, %s16}17import "fmt"18func main() {19    fmt.Printf("%d, %f, %s20}21import "fmt"22func main() {23    fmt.Printf("%d, %f, %s24}

replaceTypedef

Using AI Code Generation

1import (2func main() {3	index = clang.NewIndex(0, 0)4	tu, err = index.ParseTranslationUnit("test.c", nil, nil, 0)5	if err != nil {6		fmt.Fprintf(os.Stderr, "Error creating translation unit: %s7		os.Exit(1)8	}9	defer tu.Dispose()10	defer index.Dispose()11	visitor := newVisitor()12	clang.VisitChildren(tu.GetCursor(), visitor.Visit, nil)13	f, err := os.Create("out.c")14	if err != nil {15		fmt.Fprintf(os.Stderr, "Error creating file: %s16		os.Exit(1)17	}18	defer f.Close()19	fmt.Fprintf(f, "%s20", tu.Spelling())21	fmt.Fprintf(f, "%s22", tu.GetCursor().Spelling())23}24type visitor struct {25}26func newVisitor() *visitor {27	return &visitor{}28}29func (v *visitor) Visit(cursor, parent clang.Cursor) clang.ChildVisitResult {30	switch cursor.Kind() {31		visitor := newVisitor()32		clang.VisitChildren(cursor, visitor.Visit, nil)33		cursor.GetTranslationUnit().ReplaceTypedef(cursor)34	}35}

replaceTypedef

Using AI Code Generation

1import (2func main() {3	file, err := os.Open("1.go")4	if err != nil {5		fmt.Println("Error opening file", err)6	}7	defer file.Close()8	scanner := bufio.NewScanner(file)9	scanner.Split(bufio.ScanLines)10	for scanner.Scan() {11		txtlines = append(txtlines, scanner.Text())12	}13	file.Close()14	newfile, err := os.Create("new_code.go")15	if err != nil {16		fmt.Println("Error creating file", err)17	}18	defer newfile.Close()19	compiler := Compiler{}20	compiler.replaceTypedef(txtlines)21	for _, eachline := range txtlines {22		newfile.WriteString(eachline + "23	}24	newfile.Close()25}26type Compiler struct {27}28func (compiler *Compiler) replaceTypedef(txtlines []string) {29	compiler.typedefs = make(map[string]string)30	for i, eachline := range txtlines {31		if strings.Contains(eachline, "typedef") {

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