How to use parseArg method of prog Package

Best Syzkaller code snippet using prog.parseArg

encoding.go

Source:encoding.go Github

copy

Full Screen

...150 typ := meta.Args[i]151 if IsPad(typ) {152 return nil, fmt.Errorf("padding in syscall %v arguments", name)153 }154 arg, err := target.parseArg(typ, p, vars)155 if err != nil {156 return nil, err157 }158 c.Args = append(c.Args, arg)159 if p.Char() != ')' {160 p.Parse(',')161 }162 }163 p.Parse(')')164 if !p.EOF() {165 return nil, fmt.Errorf("tailing data (line #%v)", p.l)166 }167 if len(c.Args) < len(meta.Args) {168 for i := len(c.Args); i < len(meta.Args); i++ {169 c.Args = append(c.Args, defaultArg(meta.Args[i]))170 }171 }172 if len(c.Args) != len(meta.Args) {173 return nil, fmt.Errorf("wrong call arg count: %v, want %v", len(c.Args), len(meta.Args))174 }175 if r != "" {176 vars[r] = c.Ret177 }178 }179 if err := p.Err(); err != nil {180 return nil, err181 }182 // This validation is done even in non-debug mode because deserialization183 // procedure does not catch all bugs (e.g. mismatched types).184 // And we can receive bad programs from corpus and hub.185 if err := prog.validate(); err != nil {186 return nil, err187 }188 return189}190func (target *Target) parseArg(typ Type, p *parser, vars map[string]Arg) (Arg, error) {191 r := ""192 if p.Char() == '<' {193 p.Parse('<')194 r = p.Ident()195 p.Parse('=')196 p.Parse('>')197 }198 var arg Arg199 switch p.Char() {200 case '0':201 val := p.Ident()202 v, err := strconv.ParseUint(val, 0, 64)203 if err != nil {204 return nil, fmt.Errorf("wrong arg value '%v': %v", val, err)205 }206 switch typ.(type) {207 case *ConstType, *IntType, *FlagsType, *ProcType, *LenType, *CsumType:208 arg = MakeConstArg(typ, v)209 case *ResourceType:210 arg = MakeResultArg(typ, nil, v)211 case *PtrType:212 arg = MakePointerArg(typ, 0, 0, 0, nil)213 case *VmaType:214 arg = MakePointerArg(typ, 0, 0, 0, nil)215 default:216 return nil, fmt.Errorf("bad const type %+v", typ)217 }218 case 'r':219 id := p.Ident()220 v, ok := vars[id]221 if !ok || v == nil {222 return nil, fmt.Errorf("result %v references unknown variable (vars=%+v)", id, vars)223 }224 arg = MakeResultArg(typ, v, 0)225 if p.Char() == '/' {226 p.Parse('/')227 op := p.Ident()228 v, err := strconv.ParseUint(op, 0, 64)229 if err != nil {230 return nil, fmt.Errorf("wrong result div op: '%v'", op)231 }232 arg.(*ResultArg).OpDiv = v233 }234 if p.Char() == '+' {235 p.Parse('+')236 op := p.Ident()237 v, err := strconv.ParseUint(op, 0, 64)238 if err != nil {239 return nil, fmt.Errorf("wrong result add op: '%v'", op)240 }241 arg.(*ResultArg).OpAdd = v242 }243 case '&':244 var typ1 Type245 switch t1 := typ.(type) {246 case *PtrType:247 typ1 = t1.Type248 case *VmaType:249 default:250 return nil, fmt.Errorf("& arg is not a pointer: %#v", typ)251 }252 p.Parse('&')253 page, off, size, err := parseAddr(p, true)254 if err != nil {255 return nil, err256 }257 p.Parse('=')258 inner, err := target.parseArg(typ1, p, vars)259 if err != nil {260 return nil, err261 }262 arg = MakePointerArg(typ, page, off, size, inner)263 case '(':264 // This used to parse length of VmaType and return ArgPageSize, which is now removed.265 // Leaving this for now for backwards compatibility.266 pages, _, _, err := parseAddr(p, false)267 if err != nil {268 return nil, err269 }270 arg = MakeConstArg(typ, pages*target.PageSize)271 case '"':272 p.Parse('"')273 val := ""274 if p.Char() != '"' {275 val = p.Ident()276 }277 p.Parse('"')278 data, err := hex.DecodeString(val)279 if err != nil {280 return nil, fmt.Errorf("data arg has bad value '%v'", val)281 }282 arg = MakeDataArg(typ, data)283 case '{':284 t1, ok := typ.(*StructType)285 if !ok {286 return nil, fmt.Errorf("'{' arg is not a struct: %#v", typ)287 }288 p.Parse('{')289 var inner []Arg290 for i := 0; p.Char() != '}'; i++ {291 if i >= len(t1.Fields) {292 return nil, fmt.Errorf("wrong struct arg count: %v, want %v", i+1, len(t1.Fields))293 }294 fld := t1.Fields[i]295 if IsPad(fld) {296 inner = append(inner, MakeConstArg(fld, 0))297 } else {298 arg, err := target.parseArg(fld, p, vars)299 if err != nil {300 return nil, err301 }302 inner = append(inner, arg)303 if p.Char() != '}' {304 p.Parse(',')305 }306 }307 }308 p.Parse('}')309 for len(inner) < len(t1.Fields) {310 inner = append(inner, defaultArg(t1.Fields[len(inner)]))311 }312 arg = MakeGroupArg(typ, inner)313 case '[':314 t1, ok := typ.(*ArrayType)315 if !ok {316 return nil, fmt.Errorf("'[' arg is not an array: %#v", typ)317 }318 p.Parse('[')319 var inner []Arg320 for i := 0; p.Char() != ']'; i++ {321 arg, err := target.parseArg(t1.Type, p, vars)322 if err != nil {323 return nil, err324 }325 inner = append(inner, arg)326 if p.Char() != ']' {327 p.Parse(',')328 }329 }330 p.Parse(']')331 arg = MakeGroupArg(typ, inner)332 case '@':333 t1, ok := typ.(*UnionType)334 if !ok {335 return nil, fmt.Errorf("'@' arg is not a union: %#v", typ)336 }337 p.Parse('@')338 name := p.Ident()339 p.Parse('=')340 var optType Type341 for _, t2 := range t1.Fields {342 if name == t2.FieldName() {343 optType = t2344 break345 }346 }347 if optType == nil {348 return nil, fmt.Errorf("union arg %v has unknown option: %v", typ.Name(), name)349 }350 opt, err := target.parseArg(optType, p, vars)351 if err != nil {352 return nil, err353 }354 arg = MakeUnionArg(typ, opt, optType)355 case 'n':356 p.Parse('n')357 p.Parse('i')358 p.Parse('l')359 if r != "" {360 return nil, fmt.Errorf("named nil argument")361 }362 default:363 return nil, fmt.Errorf("failed to parse argument at %v (line #%v/%v: %v)", int(p.Char()), p.l, p.i, p.s)364 }...

Full Screen

Full Screen

asmbunny.go

Source:asmbunny.go Github

copy

Full Screen

...76}77func NewProgram() Program {78 return Program{inst: []Inst{}}79}80// parseArg parses a single instruction argument. If it names a81// register, then the register name and index are returned as 'reg' and82// 'val. If it's an integer constant, then its value is returned as83// 'val' and 'reg' is the empty string.84func parseArg(arg string) (reg regType, val int, err error) {85 val = strings.Index(REGNAMES, arg)86 if val >= 0 {87 reg = regType(arg)88 return89 }90 val, err = strconv.Atoi(arg)91 return92}93// compileInst compiles a single parsed instruction into an Inst.94// If the instruction isn't recognized, an error is returned.95func compileInst(name string, args []string) (inst Inst, err error) {96 for _, op := range OPS {97 if op.name == name {98 if len(args) != op.nargs {99 err = fmt.Errorf("Op '%s' takes %d arg(s) (found %d)",100 op.name, op.nargs, len(args))101 return102 }103 if op.nargs == 0 {104 inst = Inst{op, NOTREG, 0, NOTREG, 0}105 return106 }107 x, xval, perr := parseArg(args[0])108 if perr != nil {109 err = perr110 return111 }112 if op.nargs == 1 {113 inst = Inst{op, x, xval, NOTREG, 0}114 return115 }116 y, yval, perr := parseArg(args[1])117 if perr != nil {118 err = perr119 return120 }121 inst = Inst{op, x, xval, y, yval}122 return123 }124 }125 err = fmt.Errorf("Unrecognized op '%s'", name)126 return127}128func Compile(source []string) (prog Program, err error) {129 prog = NewProgram()130 for _, line := range source {...

Full Screen

Full Screen

parseArg

Using AI Code Generation

copy

Full Screen

1import (2type prog struct {3}4func (p *prog) parseArg(arg string) {5 p.args = append(p.args, arg)6}7func main() {8 p.parseArg("Hello")9 p.parseArg("World")10 fmt.Println(p.args)11}

Full Screen

Full Screen

parseArg

Using AI Code Generation

copy

Full Screen

1import (2type prog struct {3}4func (p *prog) parseArg(i int) (int, error) {5 if i >= len(p.args) {6 return 0, fmt.Errorf("missing argument %d", i)7 }8 return strconv.Atoi(p.args[i])9}10func main() {11 p := &prog{name: os.Args[0], args: os.Args[1:]}12 i, err := p.parseArg(1)13 if err != nil {14 fmt.Fprintf(os.Stderr, "%s: %v15 os.Exit(1)16 }17 fmt.Println(i)18}19type prog struct {20}21func (p prog) parseArg(i int) (int, error) {22 if i >= len(p.args) {23 return 0, fmt.Errorf("missing argument %d", i)24 }25 return strconv.Atoi(p.args[i])26}27func main() {28 p := &prog{name: os.Args[0], args: os.Args[1:]}29 i, err := p.parseArg(1)30 if err != nil {31 fmt.Fprintf(os.Stderr, "%s: %v32 os.Exit(

Full Screen

Full Screen

parseArg

Using AI Code Generation

copy

Full Screen

1import (2type prog struct {3}4func (p *prog) parseArg() {5 p.argc = len(os.Args)6}7func main() {8 p.parseArg()9 fmt.Println("The path is: ", p.path)10 fmt.Println("The argc is: ", p.argc)11 fmt.Println("The argv is: ", p.argv)12 fmt.Println("The argv[1] is: ", p.argv[1])13 fmt.Println("The argv[2] is: ", p.argv[2])14 fmt.Println("The argv[3] is: ", p.argv[3])15 fmt.Println("The argv[4] is: ", p.argv[4])16 x, err := strconv.Atoi(p.argv[1])17 if err != nil {18 fmt.Println("error: ", err)19 }20 y, err := strconv.Atoi(p.argv[2])21 if err != nil {22 fmt.Println("error: ", err)23 }24 z, err := strconv.Atoi(p.argv[3])25 if err != nil {26 fmt.Println("error: ", err)27 }28 w, err := strconv.Atoi(p.argv[4])29 if err != nil {30 fmt.Println("error: ", err)31 }32 fmt.Println("The sum is: ", x+y+z+w)33}

Full Screen

Full Screen

parseArg

Using AI Code Generation

copy

Full Screen

1import (2func main() {3 fmt.Println("Hello World!")4}5import (6type prog struct {7}8func (p *prog) parseArg() {9 if len(os.Args) == 1 {10 fmt.Println("No arguments passed")11 }12 for i, v := range os.Args {13 fmt.Println("Argument:", i, "Value:", v)14 }15}16func (p *prog) add(x int, y int) int {17}18func (p *prog) sub(x int, y int) int {19}20func (p *prog) mul(x int, y int) int {21}22func (p *prog) div(x int, y int) int {23}24func (p *prog) mod(x int, y int) int {25}26func (p *prog) calculate() {27 if len(os.Args) < 5 {28 fmt.Println("Not enough arguments to calculate")29 }30 x, err := strconv.Atoi(os.Args[2])31 if err != nil {32 fmt.Println("Error parsing x value")33 }34 y, err := strconv.Atoi(os.Args[3])35 if err != nil {36 fmt.Println("Error parsing y value")37 }38 switch os.Args[1] {39 fmt.Println(p.add(x, y))40 fmt.Println(p.sub(x, y))41 fmt.Println(p.mul(x, y))42 fmt.Println(p.div(x, y))43 fmt.Println(p.mod(x, y))44 fmt.Println("Invalid operation")45 }46}47func main() {48 p := prog{}49 p.parseArg()50 p.calculate()51}

Full Screen

Full Screen

parseArg

Using AI Code Generation

copy

Full Screen

1import (2func main() {3 p := new(prog)4 p.parseArgs(os.Args)5 fmt.Println("argument 1: ", p.arg1)6 fmt.Println("argument 2: ", p.arg2)7}8import (9func main() {10 p := new(prog)11 p.parseArgs(os.Args)12 fmt.Println("argument 1: ", p.arg1)13 fmt.Println("argument 2: ", p.arg2)14}15import (16func main() {17 p := new(prog)18 p.parseArgs(os.Args)19 fmt.Println("argument 1: ", p.arg1)20 fmt.Println("argument 2: ", p.arg2)21}22import (23func main() {24 p := new(prog)25 p.parseArgs(os.Args)26 fmt.Println("argument 1: ", p.arg1)27 fmt.Println("argument 2: ", p.arg2)28}29import (30func main() {31 p := new(prog)32 p.parseArgs(os.Args)33 fmt.Println("argument 1: ", p.arg1)34 fmt.Println("argument 2: ", p.arg2)35}

Full Screen

Full Screen

parseArg

Using AI Code Generation

copy

Full Screen

1import "fmt"2func main() {3 prog.parseArg()4}5import "fmt"6type prog struct {7}8func (p *prog) parseArg() {9 fmt.Println("prog.parseArg")10}11import (12type prog struct {13}14func (p *prog) parseArg() {15 fmt.Println("prog.parseArg")16}17func main() {18 prog.parseArg()19}

Full Screen

Full Screen

parseArg

Using AI Code Generation

copy

Full Screen

1import "fmt"2func main(){3 fmt.Println(prog.parseArg(1))4}5type prog struct{}6func (p prog) parseArg(int) string{7}

Full Screen

Full Screen

parseArg

Using AI Code Generation

copy

Full Screen

1import "fmt"2func main(){3 prog.parseArg()4 fmt.Println(prog)5}6import "flag"7type prog struct{8}9func (p *prog) parseArg(){10 flag.StringVar(&p.name, "name", "defaultName", "string flag")11 flag.IntVar(&p.age, "age", 20, "int flag")12 flag.Parse()13}14import "fmt"15func main(){16 prog.parseArg()17 fmt.Println(prog)18}19import "flag"20type prog struct{21}22func (p *prog) parseArg(){23 flag.StringVar(&p.name, "name", "defaultName", "string flag")24 flag.IntVar(&p.age, "age", 20, "int flag")25 flag.Parse()26}27import "fmt"28func main(){29 prog.parseArg()30 fmt.Println(prog)31}32import "flag"33type prog struct{34}35func (p *prog) parseArg(){36 flag.StringVar(&p.name, "name", "defaultName", "string flag")37 flag.IntVar(&p.age, "age", 20, "int flag")38 flag.Parse()39}40import "fmt"41func main(){42 prog.parseArg()43 fmt.Println(prog)44}45import "flag"46type prog struct{47}48func (p *prog) parseArg(){49 flag.StringVar(&p.name, "name", "defaultName", "string flag")50 flag.IntVar(&p.age, "age", 20, "int flag")51 flag.Parse()52}

Full Screen

Full Screen

parseArg

Using AI Code Generation

copy

Full Screen

1import "fmt"2func main() {3 fmt.Println(arg)4 arg = prog.parseArg(arg)5 fmt.Println(arg)6}7import "fmt"8func parseArg(arg string) string {9}10I have a package (prog.go) that has a function (parseArg) that I want to use in a few files. I want to use that function in the main file as well. How do I do that?11import "fmt"12func main() {13 fmt.Println(arg)14 arg = prog.parseArg(arg)15 fmt.Println(arg)16}17import "fmt"18func parseArg(arg string) string {19}20import "fmt"21func main() {22 fmt.Println(arg)

Full Screen

Full Screen

parseArg

Using AI Code Generation

copy

Full Screen

1import "fmt"2import "os"3import "strconv"4func main() {5 p.parseArg(os.Args[1:])6 fmt.Println("The result is: " + strconv.Itoa(p.result))7}8type prog struct {9}10func (p *prog) parseArg(args []string) {11 for _, a := range args {12 i, err := strconv.Atoi(a)13 if err != nil {14 }15 }16}

Full Screen

Full Screen

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.

LambdaTest Learning Hubs:

YouTube

You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.

Run Syzkaller automation tests on LambdaTest cloud grid

Perform automation testing on 3000+ real desktop and mobile devices online.

Most used method in

Try LambdaTest Now !!

Get 100 minutes of automation test minutes FREE!!

Next-Gen App & Browser Testing Cloud

Was this article helpful?

Helpful

NotHelpful