Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

How to use parseDefine method of ast Package

Best Syzkaller code snippet using ast.parseDefine

macro_parser.go

Source:macro_parser.go

1package preprocessor2import (3	"strings"4	lex "github.com/bbuck/go-lexer"5	parse "github.com/tvanriel/go-parser"6)7const (8	DefineDirective       = "#define"9	IfDefinedDirective    = "#ifdef"10	IfNotDefinedDirective = "#ifndef"11	EndifDirective        = "#endif"12	IncludeDirective      = "#include"13)14const (15	NilNode parse.NodeType = iota16	TextNode17	IfDefinedDirectiveNode18	IfNotDefinedDirectiveNode19	EndifDirectiveNode20	IncludeDirectiveNode21	DefineDirectiveNode22	StringNode23	ConstantNode24)25func Parse(tokens []*lex.Token) *parse.AST {26	p := &parse.Parser{27		Tokens: tokens,28		Cur:    0,29		AST:    &parse.AST{},30	}31	for p.HasTokens() {32		ParseTextOrDirective(p)33	}34	return p.AST35}36func ParseTextOrDirective(p *parse.Parser) {37	currentToken := p.Current()38	if currentToken == nil {39		return40	}41	if currentToken.Type == TextToken {42		if strings.TrimSpace(currentToken.Value) == "" {43			p.Next() // Not saving this one since it has no content.  Skip.44			return45		}46		p.AddChild(&parse.AST{47			ValueType:   TextNode,48			ValueString: currentToken.Value,49		})50		p.Next()51		return52	}53	if currentToken.Value == DefineDirective {54		ParseDefine(p)55		return56	}57	if currentToken.Value == IfDefinedDirective {58		ParseInsideIfDef(p)59		return60	}61	if currentToken.Value == IfNotDefinedDirective {62		ParseInsideIfNotDef(p)63		return64	}65	if currentToken.Value == IncludeDirective {66		ParseInclude(p)67		return68	}69}70func ParseInsideIfDef(p *parse.Parser) {71	root := p.AST72	ifNode := &parse.AST{73		Parent:      root,74		ValueType:   IfDefinedDirectiveNode,75		ValueString: IfDefinedDirective,76	}77	p.Next() // read over the if78	ifNode.Children = append(ifNode.Children, &parse.AST{79		ValueType:   ConstantNode,80		ValueString: p.Current().Value,81	})82	p.AddChild(ifNode)83	p.Next() // read over the constant84	p.AST = ifNode85	for p.Current().Type != DirectiveToken && p.Current().Value != EndifDirective {86		ParseTextOrDirective(p)87	}88	p.AddChild(&parse.AST{89		ValueType:   EndifDirectiveNode,90		ValueString: EndifDirective,91	})92	p.AST = root93	p.Next()94}95func ParseInsideIfNotDef(p *parse.Parser) {96	root := p.AST97	ifNode := &parse.AST{98		Parent:      root,99		ValueType:   IfNotDefinedDirectiveNode,100		ValueString: IfNotDefinedDirective,101	}102	p.Next() // read over the if103	ifNode.Children = append(ifNode.Children, &parse.AST{104		ValueType:   ConstantNode,105		ValueString: p.Current().Value,106	})107	p.AddChild(ifNode)108	p.Next() // read over the constant109	p.AST = ifNode110	for p.Current().Type != DirectiveToken && p.Current().Value != EndifDirective {111		ParseTextOrDirective(p)112	}113	p.AddChild(&parse.AST{114		ValueType:   EndifDirectiveNode,115		ValueString: EndifDirective,116	})117	p.AST = root118	p.Next()119}120func ParseDefine(p *parse.Parser) {121	p.Next()122	p.AddChild(&parse.AST{123		ValueType:   DefineDirectiveNode,124		ValueString: DefineDirective,125		Children: []*parse.AST{126			{127				ValueType:   ConstantNode,128				ValueString: p.Current().Value,129			},130		},131	})132	p.Next()133}134func ParseInclude(p *parse.Parser) {135	p.Next()136	p.AddChild(&parse.AST{137		ValueType:   IncludeDirectiveNode,138		ValueString: IncludeDirective,139		Children: []*parse.AST{140			{141				ValueType:   StringNode,142				ValueString: p.Current().Value,143			},144		},145	})146	p.Next()147}...

parser_keywork.go

Source:parser_keywork.go

...22		}23		s.scan()24		if s.tok == token.SEMICOLON { // first is ';'25			s.scan()26			fe.Cond = s.parseDefine()27			if s.tok != token.SEMICOLON {28				s.errors(fmt.Errorf("No semicolon ends"))29				return nil30			}31			s.scan()32			if s.tok != token.LBRACE {33				fe.Next = s.parseDefine()34			}35		} else {36			initOrCond := s.parseDefine()37			if s.tok != token.SEMICOLON {38				fe.Cond = initOrCond39			} else {40				fe.Init = initOrCond41				s.scan()42				fe.Cond = s.parseDefine()43				if s.tok != token.SEMICOLON {44					s.errors(fmt.Errorf("No semicolon ends"))45					return nil46				}47				s.scan()48				if s.tok != token.LBRACE {49					fe.Next = s.parseDefine()50				}51			}52		}53		fe.Body = s.parseDefine()54		if s.tok == token.ELSE {55			s.scan()56			fe.Else = s.parseDefine()57		}58		return fe59	case token.IF:60		s.scan()61		init := s.parseDefine()62		cond := init63		if s.tok == token.SEMICOLON {64			s.scan()65			cond = s.parseDefine()66		} else {67			init = nil68		}69		body := s.parseDefine()70		var els ast.Expr71		if s.tok == token.ELSE {72			s.scan()73			els = s.parseDefine()74		}75		expr = &ast.If{76			Pos:  pos,77			Init: init,78			Cond: cond,79			Body: body,80			Else: els,81		}82		return expr83	case token.FUNC:84		s.scan()85		fun := s.parseDefine()86		body := s.parseDefine()87		expr = &ast.Func{88			Pos:  pos,89			Func: fun,90			Body: body,91		}92		return expr93	case token.RETURN:94		s.scan()95		ret := s.parseDefine()96		expr = &ast.Return{97			Pos: pos,98			Ret: ret,99		}100		return expr101	case token.BREAK:102		s.scan()103		var label *ast.Literal104		if s.tok == token.IDENT {105			label = s.parseLiteral()106		}107		expr = &ast.Break{108			Pos:   pos,109			Label: label,...

parser_define.go

Source:parser_define.go

2import (3	"github.com/wzshiming/gs/ast"4	"github.com/wzshiming/gs/token"5)6func (s *parser) parseDefine() ast.Expr {7	pos := s.pos8	x := s.parseTuple()9	switch op := s.tok; op {10	case token.DEFINE, token.ASSIGN, token.ADD_ASSIGN, token.SUB_ASSIGN, token.MUL_ASSIGN, token.QUO_ASSIGN, token.POW_ASSIGN, token.REM_ASSIGN, token.AND_ASSIGN, token.OR_ASSIGN, token.XOR_ASSIGN, token.SHL_ASSIGN, token.SHR_ASSIGN, token.AND_NOT_ASSIGN:11		s.scan()12		y := s.parseTuple()13		return &ast.Binary{14			Pos: pos,15			X:   x,16			Op:  op,17			Y:   y,18		}19	case token.COLON:20		switch x := x.(type) {21		case *ast.Literal:22			s.scan()23			y := s.parseDefine()24			return &ast.Labeled{25				Pos:   pos,26				Label: x,27				Stmt:  y,28			}29		}30	}31	return x32}...

parseDefine

Using AI Code Generation

1import (2func main() {3	f, err := parser.ParseFile(fset, "test.go", nil, parser.ParseComments)4	if err != nil {5		fmt.Println(err)6	}7	ast.Print(fset, f)8}9import "fmt"10func main() {11	fmt.Println("Hello, world.")12}13import "fmt"14func main() {15	fmt.Println("Hello, world.")16}17import "fmt"18func main() {19	fmt.Println("Hello, world.")20}21import "fmt"22func main() {23	fmt.Println("Hello, world.")24}25import "fmt"26func main() {27	fmt.Println("Hello, world.")28}29import "fmt"30func main() {31	fmt.Println("Hello, world.")32}33import "fmt"34func main() {35	fmt.Println("Hello, world.")36}37import "fmt"38func main() {39	fmt.Println("Hello, world.")40}41import "fmt"42func main() {43	fmt.Println("Hello, world.")44}45import "fmt"46func main() {47	fmt.Println("Hello, world.")48}49import "fmt"50func main() {51	fmt.Println("Hello, world.")52}53import "fmt"54func main() {55	fmt.Println("Hello, world.")56}57import "fmt"58func main() {59	fmt.Println("Hello, world.")60}61import "fmt"62func main() {63	fmt.Println("Hello, world.")64}65import "fmt"66func main() {67	fmt.Println("Hello, world.")68}69import "fmt"

parseDefine

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.Inspect(f, func(n ast.Node) bool {8        switch x := n.(type) {9            if x.Tok == token.IMPORT {10                for _, s := range x.Specs {11                    value := s.(*ast.ImportSpec).Path.Value12                    fmt.Println(value)13                }14            }15        }16    })17}18import (19func main() {20    f, err := parser.ParseFile(fset, "3.go", nil, parser.ParseComments)21    if err != nil {22        fmt.Println(err)23    }24    ast.Inspect(f, func(n ast.Node) bool {25        switch x := n.(type) {26            if x.Tok == token.IMPORT {27                for _, s := range x.Specs {28                    value := s.(*ast.ImportSpec).Path.Value29                    fmt.Println(value)30                }31            }32        }33    })34}

parseDefine

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	ast.Inspect(f, func(n ast.Node) bool {9		switch x := n.(type) {10			for _, spec := range x.Specs {11				if valueSpec, ok := spec.(*ast.ValueSpec); ok {12					fmt.Println(valueSpec.Names[0].Name, valueSpec.Values[0].(*ast.BasicLit).Value)13				}14			}15		}16	})17}18Your name to display (optional):19Your name to display (optional):

parseDefine

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    for _, s := range f.Imports {9        fmt.Println(s.Path.Value)10    }11    if len(f.Comments) > 0 {12        fmt.Println(f.Comments[0].Text())13    }14}15import (16func main() {17    f, err := parser.ParseFile(fset, "3.go", nil, parser.ParseComments)18    if err != nil {19        fmt.Println(err)20    }21    ast.Print(fset, f)22    for _, s := range f.Imports {23        fmt.Println(s.Path.Value)24    }25    if len(f.Comments) > 0 {26        fmt.Println(f.Comments[0].Text())27    }28}29import (30func main() {31    f, err := parser.ParseFile(fset, "4.go", nil, parser.ParseComments)32    if err != nil {33        fmt.Println(err)34    }35    ast.Print(fset, f)

parseDefine

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	for _, d := range f.Decls {8		if gd, ok := d.(*ast.GenDecl); ok {9			for _, s := range gd.Specs {10				if v, ok := s.(*ast.ValueSpec); ok {11					for _, id := range v.Names {12						fmt.Println(id.Name)13					}14				}15			}16		}17	}18}

parseDefine

Using AI Code Generation

1import (2func main() {3    mod, err := asm.ParseFile("1.ll")4    if err != nil {5        panic(err)6    }7    fmt.Println(mod)8    fmt.Println(mod.Ident())9    fmt.Println(mod.IdentPretty())10    fmt.Println(mod.IdentPrettyIndent("  "))11    mod.Dump()12    mod.DumpIndent("  ")13    mod.DumpIndentWriter(os.Stdout, "  ")14    mod.DumpWriter(os.Stdout)15    mod.DumpIndentWriter(os.Stdout, "  ")16    mod.DumpIndentWriter(os.Stdout, "  ")

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.