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How to use structOrUnionAttrs method of compiler Package

Best Syzkaller code snippet using compiler.structOrUnionAttrs

consts.go

Source:consts.go

...71				}72			}73		case *ast.Struct:74			for _, attr := range n.Attrs {75				if structOrUnionAttrs(n)[attr.Ident].HasArg {76					comp.addConst(infos, attr.Pos, attr.Args[0].Ident)77				}78			}79		}80		switch decl.(type) {81		case *ast.Call, *ast.Struct, *ast.Resource, *ast.TypeDef:82			comp.extractTypeConsts(infos, decl)83		}84	}85	comp.desc.Walk(ast.Recursive(func(n0 ast.Node) {86		if n, ok := n0.(*ast.Int); ok {87			comp.addConst(infos, n.Pos, n.Ident)88		}89	}))90	return convertConstInfo(infos)91}92func (comp *compiler) extractTypeConsts(infos map[string]*constInfo, n ast.Node) {93	comp.foreachType(n, func(t *ast.Type, desc *typeDesc, args []*ast.Type, _ prog.IntTypeCommon) {94		for i, arg := range args {95			if desc.Args[i].Type.Kind == kindInt {96				if arg.Ident != "" {97					comp.addConst(infos, arg.Pos, arg.Ident)98				}99				for _, col := range arg.Colon {100					if col.Ident != "" {101						comp.addConst(infos, col.Pos, col.Ident)102					}103				}104			}105		}106	})107}108func (comp *compiler) addConst(infos map[string]*constInfo, pos ast.Pos, name string) {109	if _, builtin := comp.builtinConsts[name]; builtin {110		return111	}112	info := getConstInfo(infos, pos)113	info.consts[name] = true114}115type constInfo struct {116	consts       map[string]bool117	defines      map[string]string118	includeArray []string119	incdirArray  []string120}121func getConstInfo(infos map[string]*constInfo, pos ast.Pos) *constInfo {122	info := infos[pos.File]123	if info == nil {124		info = &constInfo{125			consts:  make(map[string]bool),126			defines: make(map[string]string),127		}128		infos[pos.File] = info129	}130	return info131}132func convertConstInfo(infos map[string]*constInfo) map[string]*ConstInfo {133	res := make(map[string]*ConstInfo)134	for file, info := range infos {135		if file == ast.BuiltinFile {136			continue137		}138		res[file] = &ConstInfo{139			File:     file,140			Consts:   toArray(info.consts),141			Includes: info.includeArray,142			Incdirs:  info.incdirArray,143			Defines:  info.defines,144		}145	}146	return res147}148// assignSyscallNumbers assigns syscall numbers, discards unsupported syscalls.149func (comp *compiler) assignSyscallNumbers(consts map[string]uint64) {150	for _, decl := range comp.desc.Nodes {151		c, ok := decl.(*ast.Call)152		if !ok || strings.HasPrefix(c.CallName, "syz_") {153			continue154		}155		str := comp.target.SyscallPrefix + c.CallName156		nr, ok := consts[str]157		if ok {158			c.NR = nr159			continue160		}161		c.NR = ^uint64(0) // mark as unused to not generate it162		name := "syscall " + c.CallName163		if !comp.unsupported[name] {164			comp.unsupported[name] = true165			comp.warning(c.Pos, "unsupported syscall: %v due to missing const %v",166				c.CallName, str)167		}168	}169}170// patchConsts replaces all symbolic consts with their numeric values taken from consts map.171// Updates desc and returns set of unsupported syscalls and flags.172func (comp *compiler) patchConsts(consts0 map[string]uint64) {173	consts := make(map[string]uint64)174	for name, val := range consts0 {175		consts[name] = val176	}177	for name, val := range comp.builtinConsts {178		if _, ok := consts[name]; ok {179			panic(fmt.Sprintf("builtin const %v already defined", name))180		}181		consts[name] = val182	}183	for _, decl := range comp.desc.Nodes {184		switch n := decl.(type) {185		case *ast.IntFlags:186			// Unsupported flag values are dropped.187			var values []*ast.Int188			for _, v := range n.Values {189				if comp.patchIntConst(v, consts, nil) {190					values = append(values, v)191				}192			}193			n.Values = values194		case *ast.Resource, *ast.Struct, *ast.Call, *ast.TypeDef:195			// Walk whole tree and replace consts in Type's and Int's.196			missing := ""197			comp.foreachType(decl, func(_ *ast.Type, desc *typeDesc,198				args []*ast.Type, _ prog.IntTypeCommon) {199				for i, arg := range args {200					if desc.Args[i].Type.Kind == kindInt {201						comp.patchTypeConst(arg, consts, &missing)202					}203				}204			})205			switch n := decl.(type) {206			case *ast.Resource:207				for _, v := range n.Values {208					comp.patchIntConst(v, consts, &missing)209				}210			case *ast.Call:211				for _, attr := range n.Attrs {212					if callAttrs[attr.Ident].HasArg {213						comp.patchTypeConst(attr.Args[0], consts, &missing)214					}215				}216			case *ast.Struct:217				for _, attr := range n.Attrs {218					if structOrUnionAttrs(n)[attr.Ident].HasArg {219						comp.patchTypeConst(attr.Args[0], consts, &missing)220					}221				}222			}223			if missing == "" {224				continue225			}226			// Produce a warning about unsupported syscall/resource/struct.227			// TODO(dvyukov): we should transitively remove everything that228			// depends on unsupported things. Potentially we still can get,229			// say, a bad int range error due to the wrong const value.230			// However, if we have a union where one of the options is231			// arch-specific and does not have a const value, it's probably232			// better to remove just that option. But then if we get to 0...

attrs.go

Source:attrs.go

...57		}58		callAttrs[prog.CppName(desc.Name)] = desc59	}60}61func structOrUnionAttrs(n *ast.Struct) map[string]*attrDesc {62	if n.IsUnion {63		return unionAttrs64	}65	return structAttrs66}67func makeAttrs(attrs ...*attrDesc) map[string]*attrDesc {68	m := make(map[string]*attrDesc)69	for _, attr := range attrs {70		m[attr.Name] = attr71	}72	return m73}...

structOrUnionAttrs

Using AI Code Generation

1import (2func main() {3    fset := token.NewFileSet()4    f, err := parser.ParseFile(fset, "/home/akshay/go/src/github.com/akshaykumar001/structOrUnionAttrs/1.go", nil, parser.ParseComments)5    if err != nil {6        panic(err)7    }8    fmt.Println(f)9    fmt.Println("The struct name is: ", f.Decls[0].(*ast.GenDecl).Specs[0].(*ast.TypeSpec).Name)10    fmt.Println("The struct attributes are: ", f.Decls[0].(*ast.GenDecl).Specs[0].(*ast.TypeSpec).Type.(*ast.StructType).Fields.List[0].Names[0].Name)11    fmt.Println("The struct attributes are: ", f.Decls[0].(*ast.GenDecl).Specs[0].(*ast.TypeSpec).Type.(*ast.StructType).Fields.List[1].Names[0].Name)12    fmt.Println("The struct attributes are: ", f.Decls[0].(*ast.GenDecl).Specs[0].(*ast.TypeSpec).Type.(*ast.StructType).Fields.List[2].Names[0].Name)13}14import "fmt"15type a struct {16}17func main() {18    fmt.Println("Hello, playground")19}

structOrUnionAttrs

Using AI Code Generation

1import (2func main() {3	fset := token.NewFileSet()4	f, err := parser.ParseFile(fset, "1.go", nil, parser.ParseComments)5	if err != nil {6		log.Fatal(err)7	}8	f, err = parser.ParseFile(fset, "1.go", nil, parser.ParseComments)9	if err != nil {10		log.Fatal(err)11	}12	fmt.Println("Imports:")13	for _, s := range f.Imports {14		fmt.Println("\t", s.Path.Value)15	}16	fmt.Println("Doc Comments:")17	if f.Doc != nil {18		for _, c := range f.Doc.List {19			fmt.Println("\t", c.Text)20		}21	}22	fmt.Println("GenDecl Comments:")23	for _, d := range f.Decls {24		if gd, ok := d.(*ast.GenDecl); ok {25			for _, spec := range gd.Specs {26				if ts, ok := spec.(*ast.TypeSpec); ok {27					if ts.Doc != nil {28						for _, c := range ts.Doc.List {29							fmt.Println("\t", c.Text)30						}31					}32				}33			}34		}35	}36	fmt.Println("FuncDecl Comments:")37	for _, d := range f.Decls {38		if fd, ok := d.(*ast.FuncDecl); ok {39			if fd.Doc != nil {40				for _, c := range fd.Doc.List {41					fmt.Println("\t", c.Text)42				}43			}44		}45	}46	fmt.Println("Field Comments:")47	for _, d := range f.Decls {48		if gd, ok := d.(*ast.GenDecl); ok {49			for _, spec := range gd.Specs {50				if ts, ok := spec.(*ast.TypeSpec); ok {51					if st, ok := ts.Type.(*ast.Struct

structOrUnionAttrs

Using AI Code Generation

1import "fmt"2func main() {3  fmt.Println("Hello, World")4}5import "fmt"6func main() {7  fmt.Println("Hello, World")8}9import "fmt"10func main() {11  fmt.Println("Hello, World")12}13import "fmt"14func main() {15  fmt.Println("Hello, World")16}17import "fmt"18func main() {19  fmt.Println("Hello, World")20}21import "fmt"22func main() {23  fmt.Println("Hello, World")24}25import "fmt"26func main() {27  fmt.Println("Hello, World")28}29import "fmt"30func main() {31  fmt.Println("Hello, World")32}33import "fmt"34func main() {35  fmt.Println("Hello, World")36}37import "fmt"38func main() {39  fmt.Println("Hello, World")40}41import "fmt"42func main() {43  fmt.Println("Hello, World")44}45import "fmt"46func main() {47  fmt.Println("Hello, World")48}49import "fmt"50func main() {51  fmt.Println("Hello, World

structOrUnionAttrs

Using AI Code Generation

1import (2func main() {3	f, err := parser.ParseFile(fset, "1.go", nil, parser.ParseComments)4	if err != nil {5		fmt.Println(err)6	}7	ast.Print(fset, f)8	fmt.Println("StructOrUnionAttrs: ", f.Decls[0].(*ast.GenDecl).Specs[0].(*ast.TypeSpec).Type.(*ast.StructType).StructOrUnionAttrs)9}10(*ast.File)(0xc0000b0000)({11 .Package: (token.Pos) 1,12 .Name: (*ast.Ident)(0xc0000b0080)({13  .NamePos: (token.Pos) 8,14  .Name: (string) (len=4) "main",15  .Obj: (*ast.Object)(0xc0000b00a0)(PACKAGE)16 }),17 .Decls: ([]ast.Decl) (len=1 cap=1) {18  (*ast.GenDecl)(0xc0000b00c0)({19   .TokPos: (token.Pos) 14,20   .Tok: (token.Token) STRUCT,21   .Lparen: (token.Pos) 21,22   .Specs: ([]ast.Spec) (len=1 cap=1) {23    (*ast.TypeSpec)(0xc0000b0120)({24     .Doc: (*ast.CommentGroup)(<nil>),25     .NamePos: (token.Pos) 21,26     .Name: (*ast.Ident)(0xc0000b0140)({27      .NamePos: (token.Pos) 21,28      .Name: (string) (len=5) "Point",29      .Obj: (*ast.Object)(0xc0000b0160)(TYPE)30     }),31     .Assign: (token.Pos) 0,32     .Type: (*ast.StructType)(0xc0000b0180)({33      .StructOrUnionAttrs: (*ast.StructOrUnionAttrs)(0xc000

structOrUnionAttrs

Using AI Code Generation

1func main() {2	compiler := cparser.NewCompiler()3	compiler.ParseFile("test.c")4	attrs := compiler.StructOrUnionAttrs("test_struct")5	fmt.Println("struct or union attributes:")6	fmt.Println("isStruct:", attrs.IsStruct)7	fmt.Println("isUnion:", attrs.IsUnion)8	fmt.Println("isAnonymous:", attrs.IsAnonymous)9	fmt.Println("isComplete:", attrs.IsComplete)10	fmt.Println("isIncomplete:", attrs.IsIncomplete)11	fmt.Println("isPacked:", attrs.IsPacked)12	fmt.Println("isTransparent:", attrs.IsTransparent)13	fmt.Println("isOpaque:", attrs.IsOpaque)14	fmt.Println("isFlexible:", attrs.IsFlexible)15	fmt.Println("isAligned:", attrs.IsAligned)16	fmt.Println("isConst:", attrs.IsConst)17	fmt.Println("isVolatile:", attrs.IsVolatile)18	fmt.Println("isRestrict:", attrs.IsRestrict)19	fmt.Println("isAtomic:", attrs.IsAtomic)20	fmt.Println("isThreadLocal:", attrs.IsThreadLocal)21	fmt.Println("isTypedef:", attrs.IsTypedef)22	fmt.Println("isExtern:", attrs.IsExtern)23	fmt.Println("isStatic:", attrs.IsStatic)24	fmt.Println("isInline:", attrs.IsInline)25	fmt.Println("isNoreturn:", attrs.IsNoreturn)26	fmt.Println("isAuto:", attrs.IsAuto)27	fmt.Println("isRegister:", attrs.IsRegister)28	fmt.Println("isStaticAssert:", attrs.IsStaticAssert)29	fmt.Println("isGeneric:", attrs.IsGeneric)30	fmt.Println("isGenericSelection:", attrs.IsGenericSelection)31	fmt.Println("isGenericAssocList:", attrs.IsGenericAssocList)32	fmt.Println("isGenericAssoc:", attrs.IsGenericAssoc)33	fmt.Println("isGenericAssocType:", attrs.IsGenericAssocType)34	fmt.Println("isGenericAssocExpr:", attrs.IsGenericAssocExpr)35	fmt.Println("isGenericDefault:", attrs.IsGenericDefault)36	fmt.Println("isGenericDefaultType:", attrs.IsGenericDefaultType)37	fmt.Println("isGenericDefaultExpr:", attrs.IsGenericDefaultExpr)38	fmt.Println("isAtomicType:", attrs.IsAtomicType)39	fmt.Println("isAlignas:", attrs.IsAlignas)40	fmt.Println("isAlignof:", attrs.IsAlignof)41	fmt.Println("isAsm:", attrs.IsAsm)42	fmt.Println("isGnuAsm:", attrs.IsGnuAsm)43	fmt.Println("isBlock:", attrs.IsBlock)

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