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How to use foreachType method of compiler Package

Best Syzkaller code snippet using compiler.foreachType

consts.go

Source:consts.go

...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 {...

foreachType

Using AI Code Generation

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 {

foreachType

Using AI Code Generation

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}

foreachType

Using AI Code Generation

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,

foreachType

Using AI Code Generation

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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