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How to use parseType method of ast Package

Best Syzkaller code snippet using ast.parseType

parser.go

Source:parser.go

...100}101func parserParams(fields []*ast.Field) (params []*param) {102	for _, field := range fields {103		p := &param{}104		//TODO:è°ç¨parseTypeè§£æç±»å105		p.V = parseType(field.Type)106		if field.Names == nil {107			params = append(params, p)108		}109		for _, name := range field.Names {110			sp := &param{}111			sp.K = name.Name112			if sp.K == "t" {113				sp.K = "no"114			}115			sp.V = p.V116			sp.P = p.P117			params = append(params, sp)118		}119	}120	return121}122func parseType(expr ast.Expr) string {123	switch expr.(type) {124	case *ast.Ident:125		return expr.(*ast.Ident).Name126	case *ast.StarExpr:127		return "*" + parseType(expr.(*ast.StarExpr).X)128	case *ast.ArrayType:129		return "[" + parseType(expr.(*ast.ArrayType).Len) + "]" + parseType(expr.(*ast.ArrayType).Elt)130	case *ast.SelectorExpr:131		return parseType(expr.(*ast.SelectorExpr).X) + "." + expr.(*ast.SelectorExpr).Sel.Name132	case *ast.MapType:133		return "map[" + parseType(expr.(*ast.MapType).Key) + "]" + parseType(expr.(*ast.MapType).Value)134	case *ast.StructType:135		return "struct{}"136	case *ast.InterfaceType:137		return "interface{}"138	case *ast.FuncType:139		var (140			pTemp string141			rTemp string142		)143		pTemp = parseFuncType(pTemp, expr.(*ast.FuncType).Params)144		if expr.(*ast.FuncType).Results != nil {145			rTemp = parseFuncType(rTemp, expr.(*ast.FuncType).Results)146			return fmt.Sprintf("func(%s) (%s)", pTemp, rTemp)147		}148		return fmt.Sprintf("func(%s)", pTemp)149	case *ast.ChanType:150		return fmt.Sprintf("make(chan %s)", parseType(expr.(*ast.ChanType).Value))151	case *ast.Ellipsis:152		return parseType(expr.(*ast.Ellipsis).Elt)153	}154	return ""155}156func parseFuncType(temp string, data *ast.FieldList) string {157	var params = parserParams(data.List)158	for i, param := range params {159		if i == 0 {160			temp = param.K + " " + param.V161			continue162		}163		t := param.K + " " + param.V164		temp = fmt.Sprintf("%s, %s", temp, t)165	}166	return temp...

parseType

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	ast.Print(fset, f)8	for _, cg := range f.Comments {9		for _, c := range cg.List {10			fmt.Println(c.Text)11		}12	}13}14import (15func main() {16	tmpl, err := template.New("").Parse(templateText)17	if err != nil {18		log.Fatal(err)19	}20	f, err := os.Create("2.go")21	if err != nil {22		log.Fatal(err)23	}24	defer f.Close()25	if err := tmpl.Execute(f, nil); err != nil {26		log.Fatal(err)27	}28}29import (30func main() {31	tmpl, err := template.New("").Parse(templateText)32	if err != nil {33		log.Fatal(err)34	}35	f, err := os.Create("2.go")36	if err != nil {37		log.Fatal(err)38	}39	defer f.Close()40	if err := tmpl.Execute(f, nil); err != nil {41		log.Fatal(err)42	}43}44const templateText = {{ printf "%q" templateText }}45import (46func main() {47	tmpl, err := template.New("").Parse(templateText)48	if err != nil {49		log.Fatal(err)50	}51	f, err := os.Create("2.go")52	if err != nil {53		log.Fatal(err)54	}55	defer f.Close()

parseType

Using AI Code Generation

1import (2func main() {3	fset := token.NewFileSet()4	node, err := parser.ParseFile(fset, "1.go", nil, 0)5	if err != nil {6		fmt.Println(err)7	}8	ast.Inspect(node, func(n ast.Node) bool {9		switch x := n.(type) {10			fmt.Println(x.Name.Name, x.Type)11			fmt.Println(x.Name.Name, x.Type)12		}13	})14}15type A struct {16}17func main() {18}

parseType

Using AI Code Generation

1import (2func main() {3    fset := token.NewFileSet()4    f, _ := parser.ParseFile(fset, "1.go", nil, parser.ParseComments)5    for _, d := range f.Decls {6        if g, ok := d.(*ast.GenDecl); ok {7            if g.Tok == token.TYPE {8                for _, s := range g.Specs {9                    if t, ok := s.(*ast.TypeSpec); ok {10                        fmt.Println(t.Name.Name)11                        fmt.Println(ast.Print(fset, t.Type))12                    }13                }14            }15        }16    }17}18import (19func main() {20    fset := token.NewFileSet()21    f, _ := parser.ParseFile(fset, "1.go", nil, parser.ParseComments)22    for _, d := range f.Decls {23        if g, ok := d.(*ast.GenDecl); ok {24            if g.Tok == token.TYPE {25                for _, s := range g.Specs {26                    if t, ok := s.(*ast.TypeSpec); ok {27                        fmt.Println(t.Name.Name)28                        fmt.Println(ast.Print(fset, t.Type))29                    }30                }31            }32        }33    }34}35import (36func main() {37    fset := token.NewFileSet()38    f, _ := parser.ParseFile(fset, "1.go", nil, parser.ParseComments)39    for _, d := range f.Decls {40        if g, ok := d.(*ast.GenDecl); ok {41            if g.Tok == token.TYPE {42                for _, s := range g.Specs {43                    if t, ok := s.(*ast.TypeSpec); ok {44                        fmt.Println(t.Name.Name)45                        fmt.Println(ast.Print(fset, t.Type))46                    }47                }48            }49        }50    }51}

parseType

Using AI Code Generation

1import (2func main() {3	fset := token.NewFileSet()4	f, err := parser.ParseFile(fset, "2.go", nil, 0)5	if err != nil {6		fmt.Fprintf(os.Stderr, "error: %v7		os.Exit(1)8	}9	ast.Inspect(f, func(n ast.Node) bool {10		switch x := n.(type) {11			fmt.Println(x.Name.Name, "is of type", x.Type)12		}13	})14}15main is of type struct { A int; B string }16main is of type struct { A int; B string }

parseType

Using AI Code Generation

1import (2func main() {3func main() {4}`5	fset := token.NewFileSet()6	f, err := parser.ParseFile(fset, "", src, 0)7	if err != nil {8		fmt.Println(err)9	}10	ast.Inspect(f, func(n ast.Node) bool {11		switch x := n.(type) {12			fmt.Println("AssignStmt")13			fmt.Println(x.Tok)14			fmt.Println(x.TokPos)15			fmt.Println(x.Lhs)16			fmt.Println(x.Rhs)17			fmt.Println("BadDecl")18			fmt.Println(x.From)19			fmt.Println(x.To)20			fmt.Println("BadExpr")21			fmt.Println(x.From)22			fmt.Println(x.To)23			fmt.Println("BadStmt")24			fmt.Println(x.From)25			fmt.Println(x.To)26			fmt.Println("BasicLit")27			fmt.Println(x.Kind)28			fmt.Println(x.Value)29			fmt.Println("BinaryExpr")30			fmt.Println(x.Op)31			fmt.Println(x.OpPos)32			fmt.Println(x.X)33			fmt.Println(x.Y)34			fmt.Println("BlockStmt")35			fmt.Println(x.Lbrace)36			fmt.Println(x.List)37			fmt.Println(x.Rbrace)38			fmt.Println("BranchStmt")39			fmt.Println(x.Tok)40			fmt.Println(x.TokPos)41			fmt.Println(x.Label)42			fmt.Println("CallExpr")43			fmt.Println(x.Fun)44			fmt.Println(x.Lparen)45			fmt.Println(x.Args)46			fmt.Println(x.Ellipsis)47			fmt.Println(x.Rparen)48			fmt.Println("CaseClause")49			fmt.Println(x.Case)50			fmt.Println(x.List)51			fmt.Println(x.Body)52			fmt.Println(x.Colon)53			fmt.Println("ChanType")54			fmt.Println(x.Begin)55			fmt.Println(x.Arrow)56			fmt.Println(x.Dir)57			fmt.Println(x.Value)

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