How to use parseTypeDef method of ast Package

Best Syzkaller code snippet using ast.parseTypeDef

typedef_test.go

Source:typedef_test.go

1// Copyright (c) 2015 Uber Technologies, Inc.2//3// Permission is hereby granted, free of charge, to any person obtaining a copy4// of this software and associated documentation files (the "Software"), to deal5// in the Software without restriction, including without limitation the rights6// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell7// copies of the Software, and to permit persons to whom the Software is8// furnished to do so, subject to the following conditions:9//10// The above copyright notice and this permission notice shall be included in11// all copies or substantial portions of the Software.12//13// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR14// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,15// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE16// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER17// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,18// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN19// THE SOFTWARE.20package compile21import (22	"fmt"23	"testing"24	"github.com/stretchr/testify/assert"25	"go.uber.org/thriftrw/ast"26	"go.uber.org/thriftrw/idl"27	"go.uber.org/thriftrw/wire"28)29func parseTypedef(s string) *ast.Typedef {30	prog, err := idl.Parse([]byte(s))31	if err != nil {32		panic(fmt.Sprintf("failure to parse: %v: %s", err, s))33	}34	if len(prog.Definitions) != 1 {35		panic("parseTypedef may be used to parse a single typedef only")36	}37	return prog.Definitions[0].(*ast.Typedef)38}39func TestCompileTypedef(t *testing.T) {40	tests := []struct {41		src   string42		scope Scope43		code  wire.Type44		spec  *TypedefSpec45	}{46		{47			`typedef i64 (js.type = "Long") timestamp (foo = "bar")`,48			nil,49			wire.TI64,50			&TypedefSpec{51				Name:        "timestamp",52				File:        "test.thrift",53				Target:      &I64Spec{Annotations: Annotations{"js.type": "Long"}},54				Annotations: Annotations{"foo": "bar"},55			},56		},57		{58			"typedef Bar Foo",59			scope("Bar", &TypedefSpec{60				Name:   "Bar",61				File:   "test.thrift",62				Target: &I32Spec{},63			}),64			wire.TI32,65			&TypedefSpec{66				Name: "Foo",67				File: "test.thrift",68				Target: &TypedefSpec{69					Name:   "Bar",70					File:   "test.thrift",71					Target: &I32Spec{},72				},73			},74		},75	}76	for _, tt := range tests {77		expected := mustLink(t, tt.spec, defaultScope)78		src := parseTypedef(tt.src)79		typedefSpec, err := compileTypedef("test.thrift", src)80		if !assert.NoError(t, err, tt.src) {81			continue82		}83		scope := scopeOrDefault(tt.scope)84		spec, err := typedefSpec.Link(scope)85		if assert.NoError(t, err) {86			assert.Equal(t, tt.code, spec.TypeCode())87			assert.Equal(t, expected, spec)88		}89	}90}91func TestCompileTypedefFailure(t *testing.T) {92	tests := []struct {93		desc     string94		src      string95		scope    Scope96		messages []string97	}{98		{99			"unknown type",100			"typedef foo bar",101			nil,102			[]string{103				`could not resolve reference "foo"`,104			},105		},106		{107			"conflicting annotations",108			`typedef i32 bar (a = "b", a, b)`,109			nil,110			[]string{111				`cannot compile "bar" on line 1:`,112				`annotation conflict: the name "a" has already been used on line 1`,113			},114		},115	}116	for _, tt := range tests {117		src := parseTypedef(tt.src)118		scope := scopeOrDefault(tt.scope)119		spec, err := compileTypedef("test.thrift", src)120		if err == nil {121			_, err = spec.Link(scope)122		}123		assert.Error(t, err, tt.desc)124		for _, msg := range tt.messages {125			assert.Contains(t, err.Error(), msg, tt.desc)126		}127	}128}...

parser.go

Source:parser.go

...116		p.expect(token.IDENT)117	}118	return ast.Ident{Name: name}119}120func (p *parser) parseTypeDef() ast.TypeDef {121	if !p.tok.IsTypeDef() {122		p.errorf("expected one of %v, got %q", token.TypeDefTokens(), p.tok)123		p.next()124	}125	switch p.tok {126	case token.RECORD:127		return p.parseRecord()128	case token.INTERFACE:129		return p.parseInterface()130	case token.ENUM:131		return p.parseEnum(false)132	case token.FLAGS:133		return p.parseEnum(true)134	default:135		return nil136	}137}138// All decls should be in the form IDENT = KEYWORD [EXT] { }139func (p *parser) parseDecl() (decl ast.TypeDecl) {140	decl.Ident = p.parseIdent()141	p.expect(token.ASSIGN)142	decl.Body = p.parseTypeDef()143	return144}145func (p *parser) parseFile() *ast.IDLFile {146	// import decls147	var imports []string148	for p.tok == token.IMPORT {149		imports = append(imports, p.parseImport())150	}151	// rest of body152	var decls []ast.TypeDecl153	for p.tok != token.EOF {154		decls = append(decls, p.parseDecl())155	}156	return &ast.IDLFile{...

typedef.go

Source:typedef.go

1package ast2// Typedef struct3type Typedef struct {4	Addr       Address5	Type       string6	ChildNodes []Node7}8func parseTypedef(line string) *Typedef {9	groups := groupsFromRegex(10		"'(?P<type>.*)'",11		line,12	)13	return &Typedef{14		Addr:       ParseAddress(groups["address"]),15		Type:       groups["type"],16		ChildNodes: []Node{},17	}18}19// AddChild adds a new child node. Child nodes can then be accessed with the20// Children attribute.21func (n *Typedef) AddChild(node Node) {22	n.ChildNodes = append(n.ChildNodes, node)23}24// Address returns the numeric address of the node. See the documentation for25// the Address type for more information.26func (n *Typedef) Address() Address {27	return n.Addr28}29// Children returns the child nodes. If this node does not have any children or30// this node does not support children it will always return an empty slice.31func (n *Typedef) Children() []Node {32	return n.ChildNodes33}34// Position returns the position in the original source code.35func (n *Typedef) Position() Position {36	return Position{}37}...

parseTypeDef

Using AI Code Generation

1import (2func main() {3    f, err := parser.ParseFile(fset, "2.go", nil, 0)4    if err != nil {5        fmt.Println(err)6    }7    for _, d := range f.Decls {8        switch d := d.(type) {9            for _, s := range d.Specs {10                switch s := s.(type) {11                    fmt.Println(s.Name.Name)12                    fmt.Println(s.Type)13                }14            }15        }16    }17}18import (19func main() {20    f, err := parser.ParseFile(fset, "2.go", nil, 0)21    if err != nil {22        fmt.Println(err)23    }24    for _, d := range f.Decls {25        switch d := d.(type) {26            for _, s := range d.Specs {27                switch s := s.(type) {28                    fmt.Println(s.Name.Name)29                    fmt.Println(s.Type)30                }31            }32        }33    }34}35import (36func main() {37    f, err := parser.ParseFile(fset, "2.go", nil,

parseTypeDef

Using AI Code Generation

1import (2func main() {3	f, err := parser.ParseFile(fset, "1.go", nil, parser.AllErrors)4	if err != nil {5		fmt.Println(err)6	}7	ast.Print(fset, f)8}9import (10func main() {11	f, err := parser.ParseFile(fset, "1.go", nil, parser.AllErrors)12	if err != nil {13		fmt.Println(err)14	}15	ast.Print(fset, f)16}17import (18func main() {19	f, err := parser.ParseFile(fset, "1.go", nil, parser.AllErrors)20	if err != nil {21		fmt.Println(err)22	}23	ast.Print(fset, f)24}25import (26func main() {27	f, err := parser.ParseFile(fset, "1.go", nil, parser.AllErrors)28	if err != nil {29		fmt.Println(err)30	}31	ast.Print(fset, f)32}33import (34func main() {35	f, err := parser.ParseFile(fset, "1.go", nil, parser.AllErrors)36	if err != nil {37		fmt.Println(err)38	}

parseTypeDef

Using AI Code Generation

1import (2func main() {3    f, err := parser.ParseFile(fset, "2.go", nil, 0)4    if err != nil {5        fmt.Println(err)6    }7    ast.Print(fset, f)8    for _, d := range f.Decls {9        if g, ok := d.(*ast.GenDecl); ok {10            for _, s := range g.Specs {11                if t, ok := s.(*ast.TypeSpec); ok {12                    fmt.Println(t.Name.Name)13                }14            }15        }16    }17}18import (19func main() {20    f, err := parser.ParseFile(fset, "2.go", nil, 0)21    if err != nil {22        fmt.Println(err)23    }24    ast.Print(fset, f)25    for _, d := range f.Decls {26        if g, ok := d.(*ast.GenDecl); ok {27            for _, s := range g.Specs {28                if t, ok := s.(*ast.TypeSpec); ok {29                    fmt.Println(t.Name.Name)30                }31            }32        }33    }34}

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