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, "  ")

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