How to use foreachType method of compiler Package

Best Syzkaller code snippet using compiler.foreachType

consts.go

Source:consts.go Github

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...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 {...

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foreachType

Using AI Code Generation

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1import (2func main() {3 f, err := parser.ParseFile(fset, "1.go", nil, 0)4 if err != nil {5 fmt.Println(err)6 }7 ast.Print(fset, f)8 ast.Inspect(f, func(n ast.Node) bool {9 switch x := n.(type) {10 fmt.Println(x.Name)11 fmt.Printf("%s", x.Value)12 fmt.Printf("%s", x.Sel.Name)13 }14 })15 ast.Inspect(f, func(n ast.Node) bool {16 switch x := n.(type) {17 fmt.Println(x.Name)18 fmt.Printf("%s", x.Value)19 fmt.Printf("%s", x.Sel.Name)20 }21 })22}23import "fmt"24func main() {25 fmt.Println("Hello, playground")26}27 Name: *ast.Ident {28 Obj: *ast.Object {29 }30 }31 Decls: []ast.Decl (len = 1) {32 0: *ast.FuncDecl {33 Name: *ast.Ident {34 Obj: *ast.Object {

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foreachType

Using AI Code Generation

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1import (2func main() {3import "fmt"4func main() {5 fmt.Println("Hello, world.")6}`7 f, err := parser.ParseFile(fset, "hello.go", src, 0)8 if err != nil {9 }10 for _, s := range f.Imports {11 fmt.Println(s.Path.Value)12 }13}

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foreachType

Using AI Code Generation

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1import "fmt"2import "github.com/llir/llvm/ir"3import "github.com/llir/llvm/ir/constant"4import "github.com/llir/llvm/ir/types"5import "github.com/llir/llvm/ir/value"6import "github.com/llir/llvm/ir/enum"7import "github.com/llir/llvm/ir/metadata"8import "github.com/llir/llvm/ir/constant/expr"9import "github.com/llir/llvm/ir/constant/inlineasm"10import "github.com/llir/llvm/ir/constant/extern"11import "github.com/llir/llvm/ir/constant/global"12import "github.com/llir/llvm/ir/constant/init"13import "github.com/llir/llvm/ir/constant/placeholder"14import "github.com/llir/llvm/ir/constant/vector"15import "github.com/llir/llvm/ir/constant/aggregate"16import "github.com/llir/llvm/ir/constant/aggregate/element"17func main() {18m := ir.NewModule()19f := m.NewFunc("main", types.I32)20entry := f.NewBlock("entry")21const1 := constant.NewInt(types.I32, 42)22const2 := constant.NewInt(types.I32, 42)23const3 := constant.NewInt(types.I32, 42)24const4 := constant.NewInt(types.I32, 42)25const5 := constant.NewInt(types.I32, 42)26const6 := constant.NewInt(types.I32, 42)27const7 := constant.NewInt(types.I32, 42)28const8 := constant.NewInt(types.I32, 42)29const9 := constant.NewInt(types.I32, 42)30const10 := constant.NewInt(types.I32, 42)31const11 := constant.NewInt(types.I32,

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foreachType

Using AI Code Generation

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1import "fmt"2import "github.com/golang-collections/collections/stack"3type compiler struct {4}5func (c *compiler) foreachType() {6 for c.token_index < len(c.tokens) {7 if c.tokens[c.token_index] == "int" {8 c.declareInt()9 } else if c.tokens[c.token_index] == "string" {10 c.declareString()11 } else if c.tokens[c.token_index] == "bool" {12 c.declareBool()13 } else if c.tokens[c.token_index] == "if" {14 c.ifStatement()15 } else if c.tokens[c.token_index] == "while" {16 c.whileStatement()17 } else if c.tokens[c.token_index] == "print" {18 c.printStatement()19 } else if c.tokens[c.token_index] == "println" {20 c.printlnStatement()21 } else if c.tokens[c.token_index] == "}" {22 c.stack.Pop()23 } else {24 }25 }26}27func (c *compiler) declareInt() {28}29func (c *compiler) declareString() {30}31func (c *compiler) declareBool() {32}33func (c *compiler) ifStatement() {34 c.stack.Push("if")35 c.expression()36 c.output += " {\n"37}38func (c *compiler) whileStatement() {39 c.stack.Push("while")40 c.expression()41 c.output += " {\n"42}43func (c *compiler) printStatement() {44 c.output += "fmt.Print("45 c.expression()

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