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How to use parseTop method of ast Package

Best Syzkaller code snippet using ast.parseTop

parser.go

Source:parser.go

...15	p := &parser{s: newScanner(data, filename, errorHandler)}16	prevNewLine, prevComment := false, false17	var top []Node18	for p.next(); p.tok != tokEOF; {19		decl := p.parseTopRecover()20		if decl == nil {21			continue22		}23		// Add new lines around structs, remove duplicate new lines.24		if _, ok := decl.(*NewLine); ok && prevNewLine {25			continue26		}27		if str, ok := decl.(*Struct); ok && !prevNewLine && !prevComment {28			top = append(top, &NewLine{Pos: str.Pos})29		}30		top = append(top, decl)31		if str, ok := decl.(*Struct); ok {32			decl = &NewLine{Pos: str.Pos}33			top = append(top, decl)34		}35		_, prevNewLine = decl.(*NewLine)36		_, prevComment = decl.(*Comment)37	}38	if prevNewLine {39		top = top[:len(top)-1]40	}41	if !p.s.Ok() {42		return nil43	}44	return &Description{top}45}46func ParseGlob(glob string, errorHandler ErrorHandler) *Description {47	if errorHandler == nil {48		errorHandler = LoggingHandler49	}50	files, err := filepath.Glob(glob)51	if err != nil {52		errorHandler(Pos{}, fmt.Sprintf("failed to find input files: %v", err))53		return nil54	}55	if len(files) == 0 {56		errorHandler(Pos{}, fmt.Sprintf("no files matched by glob %q", glob))57		return nil58	}59	desc := &Description{}60	for _, f := range files {61		data, err := ioutil.ReadFile(f)62		if err != nil {63			errorHandler(Pos{}, fmt.Sprintf("failed to read input file: %v", err))64			return nil65		}66		desc1 := Parse(data, filepath.Base(f), errorHandler)67		if desc1 == nil {68			desc = nil69		}70		if desc != nil {71			desc.Nodes = append(desc.Nodes, desc1.Nodes...)72		}73	}74	return desc75}76type parser struct {77	s *scanner78	// Current token:79	tok token80	lit string81	pos Pos82}83// Skip parsing till the next NEWLINE, for error recovery.84var skipLine = errors.New("")85func (p *parser) parseTopRecover() Node {86	defer func() {87		switch err := recover(); err {88		case nil:89		case skipLine:90			// Try to recover by consuming everything until next NEWLINE.91			for p.tok != tokNewLine && p.tok != tokEOF {92				p.next()93			}94			p.tryConsume(tokNewLine)95		default:96			panic(err)97		}98	}()99	decl := p.parseTop()100	if decl == nil {101		panic("not reachable")102	}103	p.consume(tokNewLine)104	return decl105}106func (p *parser) parseTop() Node {107	switch p.tok {108	case tokNewLine:109		return &NewLine{Pos: p.pos}110	case tokComment:111		return p.parseComment()112	case tokDefine:113		return p.parseDefine()114	case tokInclude:115		return p.parseInclude()116	case tokIncdir:117		return p.parseIncdir()118	case tokResource:119		return p.parseResource()120	case tokIdent:...

parseTop

Using AI Code Generation

1import (2func main() {3	f, err := parser.ParseFile(fset, "2.go", nil, parser.ParseComments)4	if err != nil {5		fmt.Println(err)6	}7	ast.Print(fset, f)8}9import (10func main() {11	f, err := parser.ParseFile(fset, "2.go", nil, parser.ParseComments)12	if err != nil {13		fmt.Println(err)14	}15	ast.Print(fset, f)16}

parseTop

Using AI Code Generation

1import (2func main() {3	f, err := parser.ParseFile(fset, "1.go", nil, parser.ParseComments)4	if err != nil {5		fmt.Println(err)6	}7	fmt.Println(f.Name)8	fmt.Println(f.Scope)9	fmt.Println(f.Decls)10	fmt.Println(f.Imports)11	fmt.Println(f.Comments)12	fmt.Println(f.Unresolved)13	fmt.Println(f.Doc)14	fmt.Println(f.End())15}16&{map[main:0xc0000a1a00] 0xc0000a1a00}

parseTop

Using AI Code Generation

1func main() {2    f, err := parser.ParseFile(fset, "2.go", nil, parser.ImportsOnly)3    if err != nil {4    }5    for _, s := range f.Imports {6        fmt.Println(s.Path.Value)7    }8}9func main() {10    f, err := parser.ParseFile(fset, "3.go", nil, parser.ParseComments)11    if err != nil {12    }13    for _, s := range f.Imports {14        fmt.Println(s.Path.Value)15    }16    for _, c := range f.Comments {17        fmt.Printf("%s: %s18", fset.Position(c.Pos()), c.Text())19    }20}21func main() {22    f, err := parser.ParseFile(fset, "4.go", nil, parser.ParseComments)23    if err != nil {24    }25    for _, s := range f.Imports {26        fmt.Println(s.Path.Value)27    }28    for _, c := range f.Comments {29        fmt.Printf("%s: %s30", fset.Position(c.Pos()), c.Text())31    }

parseTop

Using AI Code Generation

1func main() {2    node, err := parser.ParseFile(fset, "sample.go", nil, 0)3    if err != nil {4    }5    ast.Print(fset, node)6}7func main() {8    node, err := parser.ParseFile(fset, "sample.go", nil, 0)9    if err != nil {10    }11    ast.Print(fset, node)12}13func main() {14    node, err := parser.ParseFile(fset, "sample.go", nil, 0)15    if err != nil {16    }17    ast.Print(fset, node)18}19func main() {20    node, err := parser.ParseFile(fset, "sample.go", nil, 0)21    if err != nil {22    }23    ast.Print(fset, node)24}25func main() {26    node, err := parser.ParseFile(fset, "sample.go", nil, 0)27    if err != nil {28    }29    ast.Print(fset, node)30}31func main() {32    node, err := parser.ParseFile(fset, "sample.go", nil

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