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How to use NewErrorMatcher method of ast Package

Best Syzkaller code snippet using ast.NewErrorMatcher

compiler_test.go

Source:compiler_test.go

...108	for _, arch := range []string{"32_shmem", "64"} {109		target := targets.List["test"][arch]110		t.Run(arch, func(t *testing.T) {111			t.Parallel()112			em := ast.NewErrorMatcher(t, filepath.Join("testdata", "errors.txt"))113			desc := ast.Parse(em.Data, "errors.txt", em.ErrorHandler)114			if desc == nil {115				em.DumpErrors(t)116				t.Fatalf("parsing failed")117			}118			ExtractConsts(desc, target, em.ErrorHandler)119			em.Check(t)120		})121	}122}123func TestErrors2(t *testing.T) {124	t.Parallel()125	consts := map[string]uint64{126		"SYS_foo": 1,127		"C0":      0,128		"C1":      1,129		"C2":      2,130	}131	for _, arch := range []string{"32_shmem", "64"} {132		target := targets.List["test"][arch]133		t.Run(arch, func(t *testing.T) {134			t.Parallel()135			em := ast.NewErrorMatcher(t, filepath.Join("testdata", "errors2.txt"))136			desc := ast.Parse(em.Data, "errors2.txt", em.ErrorHandler)137			if desc == nil {138				em.DumpErrors(t)139				t.Fatalf("parsing failed")140			}141			info := ExtractConsts(desc, target, em.ErrorHandler)142			if info == nil {143				em.DumpErrors(t)144				t.Fatalf("const extraction failed")145			}146			Compile(desc, consts, target, em.ErrorHandler)147			em.Check(t)148		})149	}150}151func TestWarnings(t *testing.T) {152	t.Parallel()153	consts := map[string]uint64{154		"SYS_foo": 1,155	}156	for _, arch := range []string{"32_shmem", "64"} {157		target := targets.List["test"][arch]158		t.Run(arch, func(t *testing.T) {159			t.Parallel()160			em := ast.NewErrorMatcher(t, filepath.Join("testdata", "warnings.txt"))161			desc := ast.Parse(em.Data, "warnings.txt", em.ErrorHandler)162			if desc == nil {163				em.DumpErrors(t)164				t.Fatalf("parsing failed")165			}166			info := ExtractConsts(desc, target, em.ErrorHandler)167			if info == nil {168				em.DumpErrors(t)169				t.Fatalf("const extraction failed")170			}171			p := Compile(desc, consts, target, em.ErrorHandler)172			if p == nil {173				em.DumpErrors(t)174				t.Fatalf("compilation failed")...

NewErrorMatcher

Using AI Code Generation

1import (2func main() {3	fset := token.NewFileSet()4	f, err := parser.ParseFile(fset, "1.go", nil, 0)5	if err != nil {6		log.Fatal(err)7	}8	matcher := ast.NewErrorMatcher(ast.NewIdent("error"))9	for _, decl := range f.Decls {10		if fn, ok := decl.(*ast.FuncDecl); ok {11			if fn.Body != nil && fn.Body.List != nil {12				if ret, ok := fn.Body.List[len(fn.Body.List)-1].(*ast.ReturnStmt); ok {13					if len(ret.Results) == 1 {14						if matcher.Matches(ret.Results[0]) {15							fmt.Println(fn.Name.Name)16						}17					}18				}19			}20		}21	}22}

NewErrorMatcher

Using AI Code Generation

1import (2func main() {3	f, err := parser.ParseFile(fset, "1.go", nil, parser.ImportsOnly)4	if err != nil {5		fmt.Println(err)6	}7	for _, s := range f.Imports {8		fmt.Println(s.Path.Value)9	}10}11import (12import (13func main() {14	f, err := parser.ParseFile(fset, "1.go", nil, parser.ImportsOnly)15	if err != nil {16		fmt.Println(err)17	}18	for _, s := range f.Imports {19		fmt.Println(s.Path.Value)20	}21}22import (23import (24func main() {25	f, err := parser.ParseFile(fset, "1.go", nil, parser.ImportsOnly)26	if err != nil {27		fmt.Println(err)28	}29	for _, s := range f.Imports {30		fmt.Println(s.Path.Value)31	}32}33import (

NewErrorMatcher

Using AI Code Generation

1import (2func main() {3	fset := token.NewFileSet()4	f, err := parser.ParseFile(fset, "1.go", nil, parser.ParseComments)5	if err != nil {6		log.Fatal(err)7	}8	em := ast.NewErrorMatcher("error")9	ast.Inspect(f, func(n ast.Node) bool {10		if em.Match(n) {11			fmt.Println(fset.Position(n.Pos()))12		}13	})14}

NewErrorMatcher

Using AI Code Generation

1import (2func main() {3	fmt.Println("Hello, world.")4	fmt.Println(ast.NewErrorMatcher(errStr).IsMatch("error"))5	fmt.Println(ast.NewErrorMatcher(errStr).IsMatch("errorr"))6}7import (8func main() {9	fmt.Println("Hello, world.")10	err = fmt.Errorf("error")11	fmt.Println(ast.NewErrorMatcher(err).IsMatch("error"))12	fmt.Println(ast.NewErrorMatcher(err).IsMatch("errorr"))13}14import (15func main() {16	fmt.Println("Hello, world.")17	errRegexp = regexp.MustCompile("error")18	fmt.Println(ast.NewErrorMatcher(errRegexp).IsMatch("error"))19	fmt.Println(ast.NewErrorMatcher(errRegexp).IsMatch("errorr"))20}

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