How to use generateProg method of prog Package

Best Syzkaller code snippet using prog.generateProg

examples.go

Source:examples.go

...13	do04 := sPrint(variable("result"))14	doBlock := block(generateSeq([]Stmt{do01, do02, do03, do04}))15	l03 := while(lesser(variable("result"), number(50)), doBlock)16	// generate a program from multiple "lines" of "code"17	prog := generateProg([]Stmt{l01, l02, l03})18	// run the program19	prog.run()20}21// this examples shows if-then-else with scoping rules, the use of or and negation22func ex01() {23	// declaring a new integer x24	l01 := declaration("x", number(1))25	// declaring a new boolean y26	l02 := declaration("y", boolean(true))27	// cond is (x == 0) || (!y == false)28	// x == 0 evaluates to false, but !y evaluates to false and !y == false evaluates to true29	cond := or(equal(variable("x"), number(0)), equal(negation(variable("y")), boolean(false)))30	// assignment in then-block: x = x + 10 --> this works and will leak!31	then01 := assignment("x", plus(variable("x"), number(10)))32	// declaration in then-block: y = 7 --> this works in the scope, but won't leak!33	then02 := declaration("y", number(7))34	// declaration in then-block: z = false --> the new variable won't leave this scope!35	then03 := declaration("z", boolean(false))36	// ignore else in this example37	else01 := declaration("y", number(7))38	else02 := declaration("x", mult(number(7), variable("y")))39	else03 := declaration("z", number(1))40	else04 := assignment("x", plus(variable("x"), variable("z")))41	// generating the blocks of the if-then-else with helper function42	thenBl := block(generateSeq([]Stmt{then01, then02, then03}))43	elseBl := block(generateSeq([]Stmt{else01, else02, else03, else04}))44	l03 := ifthenelse(cond, thenBl, elseBl)45	// x will be 11 (declaration, plus in if-then-else scope)46	l04 := sPrint(variable("x"))47	// y will still be true (no leaking of the if-then-else-scope)48	l05 := sPrint(variable("y"))49	// z will be undefined (new variables from the inner scope are lost)50	l06 := sPrint(variable("z"))51	prog := generateProg([]Stmt{l01, l02, l03, l04, l05, l06})52	prog.run()53}54// this examples shows if-then-else with scoping rules and the use of and (short-circuit evaluation)55func ex02() {56	// this example is based on ex0157	l01 := declaration("x", number(1))58	l02 := declaration("y", boolean(true))59	// cond is (x == 0) && (!y == false)60	// x == 0 evaluates to false, so the condition will always immediately be false61	// --> y == 0 doesn't work, but the and still works --> short circuit evaluation!62	cond := and(equal(variable("x"), number(0)), equal(variable("y"), number(0)))63	// then-block can be ignored in this example64	then01 := assignment("x", plus(variable("x"), number(10)))65	then02 := declaration("y", number(7))66	then03 := declaration("z", boolean(false))67	// declaration in else-block: y = 7 --> this works in the scope and won't leak68	else01 := declaration("y", number(7))69	// declaration of x (doesn't matter if declaration or assignment in this case): multiply 7 with the newly declared y = 770	// --> the new result of x will leave the scope, while the new y won't leak71	else02 := declaration("x", mult(number(7), variable("y")))72	else03 := declaration("z", number(1))73	// adding the new variable z = 1 to the existing x --> once again, the new x will leave the scope, but z won't74	else04 := assignment("x", plus(variable("x"), variable("z")))75	thenBl := block(generateSeq([]Stmt{then01, then02, then03}))76	elseBl := block(generateSeq([]Stmt{else01, else02, else03, else04}))77	l03 := ifthenelse(cond, thenBl, elseBl)78	// x will evaluate to 50 (x: 0 -> 49 -> 50)79	l04 := sPrint(variable("x"))80	// y will evaluate to true --> new declaration in else scope doesn't leave that scope81	l05 := sPrint(variable("y"))82	// z is undefined, since the declaration won't leak out of its scope83	l06 := sPrint(variable("z"))84	prog := generateProg([]Stmt{l01, l02, l03, l04, l05, l06})85	prog.run()86}87// this example shows while loops with scoping rules and printing88func ex03() {89	// declaring some integer variables90	l01 := declaration("i", number(0))91	l02 := declaration("j", number(5))92	// condition: i < j --> the state of those variables is of the outer scope and is updated after each iteration93	// 					--> type correct assignments will leave the inner scope, but (re-)declarations won't94	cond := lesser(variable("i"), variable("j"))95	// i += 1 in every loop iteration --> this will break the while loop eventually96	do01 := assignment("i", plus(variable("i"), number(1)))97	// y is re-declared in the do scope --> this won't leak!98	do02 := declaration("j", boolean(true))99	// print both variables in each iteration100	do03 := sPrint(variable("i"))101	do04 := sPrint(variable("j"))102	doB := block(generateSeq([]Stmt{do01, do02, do03, do04}))103	l03 := while(cond, doB)104	prog := generateProg([]Stmt{l01, l02, l03})105	prog.run()106}107// this example won't type check and the evaluation fails108func ex04() {109	l01 := declaration("x", number(4))110	// WRONG TYPE! --> evaluation will fail111	l02 := assignment("x", boolean(false))112	prog := generateProg([]Stmt{l01, l02})113	prog.run()114}115// this example shows the correct re-declaration of variables116func ex05() {117	l01 := declaration("x", number(4))118	// this is okay! re-declaring variables works119	l02 := declaration("x", boolean(false))120	// this will print "false", since the re-declaration happened in the same scope121	l03 := sPrint(variable("x"))122	prog := generateProg([]Stmt{l01, l02, l03})123	prog.run()124}125// this example shows the behaviour of undeclared variables126func ex06() {127	// x was never declared!128	l01 := sPrint(variable("x"))129	prog := generateProg([]Stmt{l01})130	prog.run()131	// this example won't type check and "Undefined" will be printed132}133// this example shows type miss-match with ==134func ex07() {135	l01 := declaration("x", number(4))136	// x is of type integer, but a boolean is expected --> evaluation of the while condition will fail137	// also won't type check138	cond := equal(variable("x"), boolean(true))139	do := block(sPrint(variable("x")))140	l02 := while(cond, do)141	prog := generateProg([]Stmt{l01, l02})142	prog.run()143}144// this example shows type miss-match when re-assigning a variable145func ex08() {146	l01 := declaration("x", number(5))147	// x is of type integer, so it can't be assigned to type boolean!148	l02 := assignment("x", boolean(true))149	prog := generateProg([]Stmt{l01, l02})150	prog.run()151}152// this example shows how to use more complex expressions in declarations153func ex09() {154	l01 := declaration("x", number(5))155	// re-declaration works with another type than the original one! --> x := x < 10 --> true156	l02 := declaration("x", lesser(variable("x"), number(10)))157	// "true" will be printed158	l03 := sPrint(variable("x"))159	prog := generateProg([]Stmt{l01, l02, l03})160	prog.run()161}...

rand_test.go

Source:rand_test.go

...26	iters /= 10 // takes too long27	for i := 0; i < iters; i++ {28		seed := rs.Int63()29		rs1 := rand.NewSource(seed)30		p1 := generateProg(t, target, rs1)31		rs2 := rand.NewSource(seed)32		p2 := generateProg(t, target, rs2)33		ps1 := string(p1.Serialize())34		ps2 := string(p2.Serialize())35		r1 := rs1.Int63()36		r2 := rs2.Int63()37		if r1 != r2 || ps1 != ps2 {38			t.Errorf("seed=%v\nprog 1 (%v):\n%v\nprog 2 (%v):\n%v", seed, r1, ps1, r2, ps2)39		}40	}41}42func generateProg(t *testing.T, target *Target, rs rand.Source) *Prog {43	p := target.Generate(rs, 5, nil)44	p.Mutate(rs, 10, nil, nil)45	for i, c := range p.Calls {46		comps := make(CompMap)47		for v := range extractValues(c) {48			comps.AddComp(v, v+1)49			comps.AddComp(v, v+10)50		}51		p.MutateWithHints(i, comps, func(p1 *Prog) {52			p = p1.Clone()53		})54	}55	for _, crash := range []bool{false, true} {56		p, _ = Minimize(p, -1, crash, func(*Prog, int) bool {...

generateProg

Using AI Code Generation

1import "fmt"2func main() {3    fmt.Println(prog.generateProg())4}5import "fmt"6func main() {7    fmt.Println(prog.generateProg())8}9import "fmt"10func main() {11    fmt.Println(prog.generateProg())12}13import "fmt"14func main() {15    fmt.Println(prog.generateProg())16}17import "fmt"18func main() {19    fmt.Println(prog.generateProg())20}21import "fmt"22func main() {23    fmt.Println(prog.generateProg())24}25import "fmt"26func main() {27    fmt.Println(prog.generateProg())28}29import "fmt"30func main() {31    fmt.Println(prog.generateProg())32}33import "fmt"34func main() {35    fmt.Println(prog.generateProg())36}37import "fmt"38func main() {39    fmt.Println(prog.generateProg())40}41import "fmt"42func main() {43    fmt.Println(prog.generateProg())44}45import "fmt"46func main() {47    fmt.Println(prog.generateProg())48}49import "fmt"50func main() {51    fmt.Println(prog.generateProg())52}53import "fmt"54func main() {55    fmt.Println(prog.generateProg

generateProg

Using AI Code Generation

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

generateProg

Using AI Code Generation

1import (2func main() {3	p.generateProg()4}5import (6type prog struct {7}8func (p prog) generateProg() {9	fmt.Println("generating program")10}11import (12func main() {13	p.generateProg()14}15import (16type prog struct {17}18func (p prog) generateProg() {19	fmt.Println("generating program")20}21import (22func main() {23	p.generateProg()24}25import (26type prog struct {27}28func (p prog) generateProg() {29	fmt.Println("generating program")30}31import (32func main() {33	p.generateProg()34}35import (36type prog struct {37}38func (p prog) generateProg() {39	fmt.Println("generating program")40}41import (42func main() {43	p.generateProg()44}45import (46type prog struct {47}48func (p prog) generateProg() {49	fmt.Println("generating program")50}51import (52func main() {53	p.generateProg()54}55import (56type prog struct {57}58func (p prog) generateProg() {59	fmt.Println("generating program")60}61import (

generateProg

Using AI Code Generation

1import "fmt"2import "path/to/prog"3func main() {4    fmt.Println(prog.GenerateProg())5}6import "fmt"7import "path/to/prog"8func main() {9    fmt.Println(prog.GenerateProg())10}11import "fmt"12import "path/to/prog"13func main() {14    fmt.Println(prog.GenerateProg())15}16import "fmt"17import "path/to/prog"18func main() {19    fmt.Println(prog.GenerateProg())20}21import "fmt"22import "path/to/prog"23func main() {24    fmt.Println(prog.GenerateProg())25}26import "fmt"27import "path/to/prog"28func main() {29    fmt.Println(prog.GenerateProg())30}31import "fmt"32import "path/to/prog"33func main() {34    fmt.Println(prog.GenerateProg())35}36import "fmt"37import "path/to/prog"38func main() {39    fmt.Println(prog.GenerateProg())40}41import "fmt"42import "path/to/prog"43func main() {44    fmt.Println(prog.GenerateProg())45}46import "fmt"47import "path/to/prog"48func main() {49    fmt.Println(prog.GenerateProg())50}51import "fmt"52import "path/to/prog"53func main() {54    fmt.Println(prog.GenerateProg())55}56import "fmt"57import "path/to/prog"

generateProg

Using AI Code Generation

1import "fmt"2import "os"3import "strconv"4func main() {5    if len(os.Args) != 2 {6        fmt.Println("Usage: go run 2.go <number of programs to generate>")7    }8    n, err := strconv.Atoi(os.Args[1])9    if err != nil {10        fmt.Println("Usage: go run 2.go <number of programs to generate>")11    }12    for i := 0; i < n; i++ {13        fmt.Println(generateProg())14    }15}16import "fmt"17import "os"18import "strconv"19func main() {20    if len(os.Args) != 2 {21        fmt.Println("Usage: go run 2.go <number of programs to generate>")22    }23    n, err := strconv.Atoi(os.Args[1])24    if err != nil {25        fmt.Println("Usage: go run 2.go <number of programs to generate>")26    }27    for i := 0; i < n; i++ {28        fmt.Println(generateProg())29    }30}31import "fmt"32import "os"33import "strconv"34func main() {35    if len(os.Args) != 2 {36        fmt.Println("Usage: go run 2.go <number of programs to generate>")37    }38    n, err := strconv.Atoi(os.Args[1])39    if err != nil {40        fmt.Println("Usage: go run 2.go <number of programs to generate>")41    }42    for i := 0; i < n; i++ {43        fmt.Println(generateProg())44    }45}46import "fmt"47import "os"48import "strconv"49func main() {50    if len(os.Args) != 2 {51        fmt.Println("Usage: go run 2.go <number of programs to generate>")

generateProg

Using AI Code Generation

1import java.util.Scanner;2public class Two {3	public static void main(String[] args) {4		Scanner in = new Scanner(System.in);5		System.out.println("Enter the number of lines: ");6		int n = in.nextInt();7		Prog p = new Prog();8		p.generateProg(n);9	}10}11public class Prog {12	public void generateProg(int n) {13		System.out.println("public class Prog {");14		for(int i = 1; i <= n; i++) {15			System.out.println("public static void main(String[] args) {");16			System.out.println("System.out.println(\"Hello World\");");17			System.out.println("}");18		}19		System.out.println("}");20	}21}22public class Prog {23public static void main(String[] args) {

generateProg

Using AI Code Generation

1import (2func main() {3	p := prog.Prog{}4	fmt.Println(p.GenerateProg())5}6import (7type Prog struct{}8func (p Prog) GenerateProg() string {9	l := lexer.NewLexer(`int main() {10		int x;11		x = 1;12		int y;13		y = 2;14		int z;15		z = x + y;16	}`)17	pa := parser.NewParser(l)18	pa.Parse()19	prog := ast.NewProg(pa.GetAST())20	return fmt.Sprintf("%s", prog)21}22import (23type Prog struct {24}25func NewProg(decls []Decl) *Prog {26	return &Prog{decls}27}28func (p Prog) String() string {29	for _, decl := range p.Decls {30		s += fmt.Sprintf("%s31	}32}33type Decl interface {34	Decl()35}36type VarDecl struct {37}38func (v VarDecl) Decl() {}39func (v VarDecl) String() string {40	return fmt.Sprintf("%s %s", v.Type, v.Name)41}42type FuncDecl struct {43}44func (f FuncDecl) Decl() {}45func (f FuncDecl) String() string {46	s += fmt.Sprintf("%s %s(", f.Type, f.Name)47	for i, arg := range f.Args {48		s += fmt.Sprintf("%s", arg)49		if i != len(f.Args)-1 {50		}51	}52	s += ") {53	for _, stmt := range f.Body {54		s += fmt.Sprintf("\t%s55	}56	s += "}"57}58type AssignStmt struct {

generateProg

Using AI Code Generation

1public class Main{2	public static void main(String[] args){3		prog p = new prog();4		p.generateProg();5	}6}7public class Main{8	public static void main(String[] args){9		grammar g = new grammar();10		g.readGrammar();11		g.printGrammar();12		g.generateFirst();13		g.generateFollow();14	}15}

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