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How to use checkStructFields method of compiler Package

Best Syzkaller code snippet using compiler.checkStructFields

check.go

Source:check.go

...137	for _, decl := range comp.desc.Nodes {138		switch n := decl.(type) {139		case *ast.Struct:140			_, typ, name := n.Info()141			comp.checkStructFields(n, typ, name)142		case *ast.TypeDef:143			if n.Struct != nil {144				_, typ, _ := n.Struct.Info()145				comp.checkStructFields(n.Struct, "template "+typ, n.Name.Name)146			}147		case *ast.Call:148			name := n.Name.Name149			comp.checkFieldGroup(n.Args, "argument", "syscall "+name)150			if len(n.Args) > prog.MaxArgs {151				comp.error(n.Pos, "syscall %v has %v arguments, allowed maximum is %v",152					name, len(n.Args), prog.MaxArgs)153			}154		}155	}156}157func (comp *compiler) checkStructFields(n *ast.Struct, typ, name string) {158	comp.checkFieldGroup(n.Fields, "field", typ+" "+name)159	if len(n.Fields) < 1 {160		comp.error(n.Pos, "%v %v has no fields, need at least 1 field", typ, name)161	}162}163func (comp *compiler) checkFieldGroup(fields []*ast.Field, what, ctx string) {164	existing := make(map[string]bool)165	for _, f := range fields {166		fn := f.Name.Name167		if fn == prog.ParentRef || fn == prog.SyscallRef {168			comp.error(f.Pos, "reserved %v name %v in %v", what, fn, ctx)169		}170		if existing[fn] {171			comp.error(f.Pos, "duplicate %v %v in %v", what, fn, ctx)...

checkStructFields

Using AI Code Generation

1import (2func main() {3	var s struct {4	}5	v := reflect.ValueOf(&s).Elem()6	t := v.Type()7	for i := 0; i < t.NumField(); i++ {8		f := v.Field(i)9		if !f.CanSet() {10			fmt.Printf("Field: %s cannot be set11", t.Field(i).Name)12		}13	}14}

checkStructFields

Using AI Code Generation

1import (2func main() {3	c := compiler{}4	c.checkStructFields()5}6import (7func main() {8	c := compiler{}9	fmt.Println(c)10}11import (12func main() {13	c := compiler{}14	fmt.Println(reflect.TypeOf(c))15}16import (17func main() {18	c := compiler{}19	fmt.Println(reflect.ValueOf(c))20}21import (22func main() {23	c := compiler{}24	fmt.Println(reflect.ValueOf(c).Kind())25}26import (27func main() {28	c := compiler{}29	fmt.Println(reflect.ValueOf(c).FieldByName("name"))30}31import (32func main() {33	c := compiler{}34	fmt.Println(reflect.ValueOf(c).FieldByName("name").CanSet())35}36import (37func main() {38	c := compiler{}39	fmt.Println(reflect.ValueOf(c).FieldByName("name").SetString("Go"))40}41import (42func main() {43	c := compiler{}44	fmt.Println(reflect.ValueOf(c).FieldByName("name").SetString("Go"))45}46import (47func main() {48	c := compiler{}49	fmt.Println(reflect.ValueOf(c).FieldByName("name").SetString("Go"))50}51import

checkStructFields

Using AI Code Generation

1import (2func main() {3    var t struct {4    }5    fmt.Println(reflect.TypeOf(a).Name())6    fmt.Println(reflect.TypeOf(b).Name())7    fmt.Println(reflect.TypeOf(c).Name())8    fmt.Println(reflect.TypeOf(d).Name())9    fmt.Println(reflect.TypeOf(e).Name())10    fmt.Println(reflect.TypeOf(f).Name())11    fmt.Println(reflect.TypeOf(g).Name())12    fmt.Println(reflect.TypeOf(h).Name())13    fmt.Println(reflect.TypeOf(i).Name())14    fmt.Println(reflect.TypeOf(j).Name())15    fmt.Println(reflect.TypeOf(k).Name())16    fmt.Println(reflect.TypeOf(l).Name())17    fmt.Println(reflect.TypeOf(m).Name())18    fmt.Println(reflect.TypeOf(n).Name())19    fmt.Println(reflect.TypeOf(o).Name())20    fmt.Println(reflect.TypeOf(p).Name())21    fmt.Println(reflect.TypeOf(q).Name())22    fmt.Println(reflect.TypeOf(r).Name())23    fmt.Println(reflect.TypeOf(s).Name())24    fmt.Println(reflect.TypeOf(t).Name())25}

checkStructFields

Using AI Code Generation

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

checkStructFields

Using AI Code Generation

1import (2type struct1 struct {3}4func main() {5 a := struct1{1, "hello", 2.5}6 fmt.Println(a)7}

checkStructFields

Using AI Code Generation

1import (2type Person struct {3}4func main() {5	p := Person{"Sai", 22}6	fmt.Println(p)7	checkStructFields(1.2)8}9func checkStructFields(p interface{}) {10	if reflect.TypeOf(p).Kind() == reflect.Struct {11		fmt.Println("p is a struct")12	} else {13		fmt.Println("p is not a struct")14	}15}

checkStructFields

Using AI Code Generation

1import "fmt"2import "reflect"3import "unsafe"4type Test struct {5}6func main() {7t := Test{1, 2}8test := reflect.ValueOf(t)9fmt.Println(test)10fmt.Println(test.Type())11}12import "fmt"13import "reflect"14import "unsafe"15type Test struct {16}17func main() {18t := Test{1, 2}19test := reflect.ValueOf(t)20fmt.Println(test)21fmt.Println(test.Type())22}23import "fmt"24import "reflect"25import "unsafe"26type Test struct {27}28func main() {29t := Test{1, 2}30test := reflect.ValueOf(t)31fmt.Println(test)32fmt.Println(test.Type())33}34import "fmt"35import "reflect"36import "unsafe"37type Test struct {38}39func main() {40t := Test{1, 2}41test := reflect.ValueOf(t)42fmt.Println(test)43fmt.Println(test.Type())44}45import "fmt"46import "reflect"47import "unsafe"48type Test struct {49}50func main() {51t := Test{1, 2}52test := reflect.ValueOf(t)53fmt.Println(test)54fmt.Println(test.Type())55}56import "fmt"57import "reflect"58import "unsafe"59type Test struct {60}61func main() {62t := Test{1, 2}63test := reflect.ValueOf(t)64fmt.Println(test)65fmt.Println(test.Type())66}67import "fmt"68import "reflect"69import

checkStructFields

Using AI Code Generation

1import "fmt"2type student struct {3}4func main() {5    s := student{"A", 1, "B", 2}6    fmt.Println(s)7    s1 := student{}8    fmt.Println(s1)9}10import "fmt"11type student struct {12}13func main() {14    s := student{"A", 1, "B", 2}15    fmt.Println(s)16    s1 := student{}17    fmt.Println(s1)18}19import "fmt"20type student struct {21}22func main() {23    s := student{"A", 1, "B", 2}24    fmt.Println(s)25    s1 := student{}26    fmt.Println(s1)27}28import "fmt"29type student struct {30}31func main()

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