ast

package
v0.2.0 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Jun 8, 2023 License: BSD-3-Clause Imports: 4 Imported by: 17

Documentation

Index

Constants

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const (
	Load = ExprContext(iota + 1)
	Store
	Del
	AugLoad
	AugStore
	Param
)
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const (
	And = BoolOpNumber(iota + 1)
	Or
)
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const (
	Add = OperatorNumber(iota + 1)
	Sub
	Mult
	Div
	Modulo
	Pow
	LShift
	RShift
	BitOr
	BitXor
	BitAnd
	FloorDiv
)
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const (
	Invert = UnaryOpNumber(iota + 1)
	Not
	UAdd
	USub
)
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const (
	Eq = CmpOp(iota + 1)
	NotEq
	Lt
	LtE
	Gt
	GtE
	Is
	IsNot
	In
	NotIn
)

Variables

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var ASTType = py.ObjectType.NewTypeFlags("AST", "AST Node", nil, nil, py.ObjectType.Flags|py.TPFLAGS_BASE_EXC_SUBCLASS)

Python types

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var AliasType = ASTType.NewType("Alias", "Alias Node", nil, nil)
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var ArgType = ASTType.NewType("Arg", "Arg Node", nil, nil)
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var ArgumentsType = ASTType.NewType("Arguments", "Arguments Node", nil, nil)
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var AssertType = StmtBaseType.NewType("Assert", "Assert Node", nil, nil)
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var AssignType = StmtBaseType.NewType("Assign", "Assign Node", nil, nil)
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var AttributeType = ExprBaseType.NewType("Attribute", "Attribute Node", nil, nil)
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var AugAssignType = StmtBaseType.NewType("AugAssign", "AugAssign Node", nil, nil)
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var BinOpType = ExprBaseType.NewType("BinOp", "BinOp Node", nil, nil)
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var BoolOpType = ExprBaseType.NewType("BoolOp", "BoolOp Node", nil, nil)
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var BreakType = StmtBaseType.NewType("Break", "Break Node", nil, nil)
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var BytesType = ExprBaseType.NewType("Bytes", "Bytes Node", nil, nil)
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var CallType = ExprBaseType.NewType("Call", "Call Node", nil, nil)
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var ClassDefType = StmtBaseType.NewType("ClassDef", "ClassDef Node", nil, nil)
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var CompareType = ExprBaseType.NewType("Compare", "Compare Node", nil, nil)
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var ContinueType = StmtBaseType.NewType("Continue", "Continue Node", nil, nil)
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var DeleteType = StmtBaseType.NewType("Delete", "Delete Node", nil, nil)
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var DictCompType = ExprBaseType.NewType("DictComp", "DictComp Node", nil, nil)
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var DictType = ExprBaseType.NewType("Dict", "Dict Node", nil, nil)
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var EllipsisType = ExprBaseType.NewType("Ellipsis", "Ellipsis Node", nil, nil)
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var ExceptHandlerType = ASTType.NewType("ExceptHandler", "ExceptHandler Node", nil, nil)

Misc

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var ExprBaseType = ASTType.NewType("Expr", "Expr Node", nil, nil)

Expr

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var ExprStmtType = StmtBaseType.NewType("ExprStmt", "ExprStmt Node", nil, nil)
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var ExpressionType = ModBaseType.NewType("Expression", "Expression Node", nil, nil)
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var ExtSliceType = SliceBaseType.NewType("ExtSlice", "ExtSlice Node", nil, nil)
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var ForType = StmtBaseType.NewType("For", "For Node", nil, nil)
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var FunctionDefType = StmtBaseType.NewType("FunctionDef", "FunctionDef Node", nil, nil)
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var GeneratorExpType = ExprBaseType.NewType("GeneratorExp", "GeneratorExp Node", nil, nil)
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var GlobalType = StmtBaseType.NewType("Global", "Global Node", nil, nil)
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var IfExpType = ExprBaseType.NewType("IfExp", "IfExp Node", nil, nil)
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var IfType = StmtBaseType.NewType("If", "If Node", nil, nil)
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var ImportFromType = StmtBaseType.NewType("ImportFrom", "ImportFrom Node", nil, nil)
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var ImportType = StmtBaseType.NewType("Import", "Import Node", nil, nil)
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var IndexType = SliceBaseType.NewType("Index", "Index Node", nil, nil)
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var InteractiveType = ModBaseType.NewType("Interactive", "Interactive Node", nil, nil)
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var KeywordType = ASTType.NewType("Keyword", "Keyword Node", nil, nil)
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var LambdaType = ExprBaseType.NewType("Lambda", "Lambda Node", nil, nil)
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var ListCompType = ExprBaseType.NewType("ListComp", "ListComp Node", nil, nil)
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var ListType = ExprBaseType.NewType("List", "List Node", nil, nil)
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var ModBaseType = ASTType.NewType("Mod", "Mod Node", nil, nil)

Mod

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var ModuleType = ModBaseType.NewType("Module", "Module Node", nil, nil)
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var NameConstantType = ExprBaseType.NewType("NameConstant", "NameConstant Node", nil, nil)
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var NameType = ExprBaseType.NewType("Name", "Name Node", nil, nil)
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var NonlocalType = StmtBaseType.NewType("Nonlocal", "Nonlocal Node", nil, nil)
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var NumType = ExprBaseType.NewType("Num", "Num Node", nil, nil)
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var PassType = StmtBaseType.NewType("Pass", "Pass Node", nil, nil)
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var RaiseType = StmtBaseType.NewType("Raise", "Raise Node", nil, nil)
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var ReturnType = StmtBaseType.NewType("Return", "Return Node", nil, nil)
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var SetCompType = ExprBaseType.NewType("SetComp", "SetComp Node", nil, nil)
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var SetType = ExprBaseType.NewType("Set", "Set Node", nil, nil)
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var SliceBaseType = ASTType.NewType("SliceBase", "SliceBase Node", nil, nil)
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var SliceType = SliceBaseType.NewType("Slice", "Slice Node", nil, nil)

Slicer

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var StarredType = ExprBaseType.NewType("Starred", "Starred Node", nil, nil)
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var StmtBaseType = ASTType.NewType("Stmt", "Stmt Node", nil, nil)

Stmt

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var StrType = ExprBaseType.NewType("Str", "Str Node", nil, nil)
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var SubscriptType = ExprBaseType.NewType("Subscript", "Subscript Node", nil, nil)
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var SuiteType = ModBaseType.NewType("Suite", "Suite Node", nil, nil)
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var TryType = StmtBaseType.NewType("Try", "Try Node", nil, nil)
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var TupleType = ExprBaseType.NewType("Tuple", "Tuple Node", nil, nil)
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var UnaryOpType = ExprBaseType.NewType("UnaryOp", "UnaryOp Node", nil, nil)
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var WhileType = StmtBaseType.NewType("While", "While Node", nil, nil)
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var WithItemType = ASTType.NewType("WithItem", "WithItem Node", nil, nil)
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var WithType = StmtBaseType.NewType("With", "With Node", nil, nil)
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var YieldFromType = ExprBaseType.NewType("YieldFrom", "YieldFrom Node", nil, nil)
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var YieldType = ExprBaseType.NewType("Yield", "Yield Node", nil, nil)

Functions

func Dump 

func Dump(ast Ast) string

Dump an Ast node as a string

func Walk 

func Walk(ast Ast, Visit func(Ast) bool)

Walk calls Visit on every node in the ast. The parent is visited first, then the children

Visit returns true to continue the walk

Types

type AST 

type AST struct {
	Pos
}

Base AST node

func (*AST) Type 

func (o *AST) Type() *py.Type

Python type definitions

type Alias 

type Alias struct {
	Pos
	Name   Identifier
	AsName Identifier
}

func (*Alias) Type 

func (o *Alias) Type() *py.Type

type Arg 

type Arg struct {
	Pos
	Arg        Identifier
	Annotation Expr
}

func (*Arg) Type 

func (o *Arg) Type() *py.Type

type Arguments 

type Arguments struct {
	Pos
	Args       []*Arg
	Vararg     *Arg
	Kwonlyargs []*Arg
	KwDefaults []Expr
	Kwarg      *Arg
	Defaults   []Expr
}

func (*Arguments) Type 

func (o *Arguments) Type() *py.Type

type Assert 

type Assert struct {
	StmtBase
	Test Expr
	Msg  Expr
}

func (*Assert) Type 

func (o *Assert) Type() *py.Type

type Assign 

type Assign struct {
	StmtBase
	Targets []Expr
	Value   Expr
}

func (*Assign) Type 

func (o *Assign) Type() *py.Type

type Ast 

type Ast interface {
	py.Object
	GetLineno() int
	GetColOffset() int
}

All node types implement the Ast interface

type Attribute 

type Attribute struct {
	ExprBase
	Value Expr
	Attr  Identifier
	Ctx   ExprContext
}

func (*Attribute) SetCtx 

func (o *Attribute) SetCtx(Ctx ExprContext)

func (*Attribute) Type 

func (o *Attribute) Type() *py.Type

type AugAssign 

type AugAssign struct {
	StmtBase
	Target Expr
	Op     OperatorNumber
	Value  Expr
}

func (*AugAssign) Type 

func (o *AugAssign) Type() *py.Type

type BinOp 

type BinOp struct {
	ExprBase
	Left  Expr
	Op    OperatorNumber
	Right Expr
}

func (*BinOp) Type 

func (o *BinOp) Type() *py.Type

type BoolOp 

type BoolOp struct {
	ExprBase
	Op     BoolOpNumber
	Values []Expr
}

func (*BoolOp) Type 

func (o *BoolOp) Type() *py.Type

type BoolOpNumber 

type BoolOpNumber int

func (BoolOpNumber) String 

func (o BoolOpNumber) String() string

type Break 

type Break struct {
	StmtBase
}

func (*Break) Type 

func (o *Break) Type() *py.Type

type Bytes 

type Bytes struct {
	ExprBase
	S py.Bytes
}

func (*Bytes) Type 

func (o *Bytes) Type() *py.Type

type Call 

type Call struct {
	ExprBase
	Func     Expr
	Args     []Expr
	Keywords []*Keyword
	Starargs Expr
	Kwargs   Expr
}

func (*Call) Type 

func (o *Call) Type() *py.Type

type ClassDef 

type ClassDef struct {
	StmtBase
	Name          Identifier
	Bases         []Expr
	Keywords      []*Keyword
	Starargs      Expr
	Kwargs        Expr
	Body          []Stmt
	DecoratorList []Expr
}

func (*ClassDef) Type 

func (o *ClassDef) Type() *py.Type

type CmpOp 

type CmpOp int

func (CmpOp) String 

func (o CmpOp) String() string

type Compare 

type Compare struct {
	ExprBase
	Left        Expr
	Ops         []CmpOp
	Comparators []Expr
}

need sequences for compare to distinguish between

func (*Compare) Type 

func (o *Compare) Type() *py.Type

type Comprehension 

type Comprehension struct {
	Target Expr
	Iter   Expr
	Ifs    []Expr
}

type Continue 

type Continue struct {
	StmtBase
}

func (*Continue) Type 

func (o *Continue) Type() *py.Type

type Delete 

type Delete struct {
	StmtBase
	Targets []Expr
}

func (*Delete) Type 

func (o *Delete) Type() *py.Type

type Dict 

type Dict struct {
	ExprBase
	Keys   []Expr
	Values []Expr
}

func (*Dict) Type 

func (o *Dict) Type() *py.Type

type DictComp 

type DictComp struct {
	ExprBase
	Key        Expr
	Value      Expr
	Generators []Comprehension
}

func (*DictComp) Type 

func (o *DictComp) Type() *py.Type

type Ellipsis 

type Ellipsis struct {
	ExprBase
}

func (*Ellipsis) Type 

func (o *Ellipsis) Type() *py.Type

type ExceptHandler 

type ExceptHandler struct {
	Pos
	ExprType Expr
	Name     Identifier
	Body     []Stmt
}

func (*ExceptHandler) Type 

func (o *ExceptHandler) Type() *py.Type

type Expr 

type Expr interface {
	Ast
	// contains filtered or unexported methods
}

All ExprBase notes implement the Expr interface

type ExprBase 

type ExprBase struct{ Pos }

func (*ExprBase) Type 

func (o *ExprBase) Type() *py.Type

type ExprContext 

type ExprContext int

func (ExprContext) String 

func (o ExprContext) String() string

type ExprStmt 

type ExprStmt struct {
	StmtBase
	Value Expr
}

func (*ExprStmt) Type 

func (o *ExprStmt) Type() *py.Type

type Expression 

type Expression struct {
	ModBase
	Body Expr
}

func (*Expression) Type 

func (o *Expression) Type() *py.Type

type ExtSlice 

type ExtSlice struct {
	SliceBase
	Dims []Slicer
}

func (*ExtSlice) Type 

func (o *ExtSlice) Type() *py.Type

type For 

type For struct {
	StmtBase
	Target Expr
	Iter   Expr
	Body   []Stmt
	Orelse []Stmt
}

func (*For) Type 

func (o *For) Type() *py.Type

type FunctionDef 

type FunctionDef struct {
	StmtBase
	Name          Identifier
	Args          *Arguments
	Body          []Stmt
	DecoratorList []Expr
	Returns       Expr
}

func (*FunctionDef) Type 

func (o *FunctionDef) Type() *py.Type

type GeneratorExp 

type GeneratorExp struct {
	ExprBase
	Elt        Expr
	Generators []Comprehension
}

func (*GeneratorExp) Type 

func (o *GeneratorExp) Type() *py.Type

type Global 

type Global struct {
	StmtBase
	Names []Identifier
}

func (*Global) Type 

func (o *Global) Type() *py.Type

type Identifier 

type Identifier py.String

type If 

type If struct {
	StmtBase
	Test   Expr
	Body   []Stmt
	Orelse []Stmt
}

func (*If) Type 

func (o *If) Type() *py.Type

type IfExp 

type IfExp struct {
	ExprBase
	Test   Expr
	Body   Expr
	Orelse Expr
}

func (*IfExp) Type 

func (o *IfExp) Type() *py.Type

type Import 

type Import struct {
	StmtBase
	Names []*Alias
}

func (*Import) Type 

func (o *Import) Type() *py.Type

type ImportFrom 

type ImportFrom struct {
	StmtBase
	Module Identifier
	Names  []*Alias
	Level  int
}

func (*ImportFrom) Type 

func (o *ImportFrom) Type() *py.Type

type Index 

type Index struct {
	SliceBase
	Value Expr
}

func (*Index) Type 

func (o *Index) Type() *py.Type

type Interactive 

type Interactive struct {
	ModBase
	Body []Stmt
}

func (*Interactive) Type 

func (o *Interactive) Type() *py.Type

type Keyword 

type Keyword struct {
	Pos
	Arg   Identifier
	Value Expr
}

func (*Keyword) Type 

func (o *Keyword) Type() *py.Type

type Lambda 

type Lambda struct {
	ExprBase
	Args *Arguments
	Body Expr
}

func (*Lambda) Type 

func (o *Lambda) Type() *py.Type

type List 

type List struct {
	ExprBase
	Elts []Expr
	Ctx  ExprContext
}

func (*List) SetCtx 

func (o *List) SetCtx(Ctx ExprContext)

func (*List) Type 

func (o *List) Type() *py.Type

type ListComp 

type ListComp struct {
	ExprBase
	Elt        Expr
	Generators []Comprehension
}

func (*ListComp) Type 

func (o *ListComp) Type() *py.Type

type Mod 

type Mod interface {
	Ast
	// contains filtered or unexported methods
}

All ModBase nodes implement the Mod interface

type ModBase 

type ModBase struct {
	Pos
}

func (*ModBase) Type 

func (o *ModBase) Type() *py.Type

type Module 

type Module struct {
	ModBase
	Body []Stmt
}

func (*Module) Type 

func (o *Module) Type() *py.Type

type Name 

type Name struct {
	ExprBase
	Id  Identifier
	Ctx ExprContext
}

func (*Name) SetCtx 

func (o *Name) SetCtx(Ctx ExprContext)

func (*Name) Type 

func (o *Name) Type() *py.Type

type NameConstant 

type NameConstant struct {
	ExprBase
	Value Singleton
}

func (*NameConstant) Type 

func (o *NameConstant) Type() *py.Type

type Nonlocal 

type Nonlocal struct {
	StmtBase
	Names []Identifier
}

func (*Nonlocal) Type 

func (o *Nonlocal) Type() *py.Type

type Num 

type Num struct {
	ExprBase
	N Object
}

func (*Num) Type 

func (o *Num) Type() *py.Type

type Object 

type Object py.Object

type OperatorNumber 

type OperatorNumber int

func (OperatorNumber) String 

func (o OperatorNumber) String() string

type Pass 

type Pass struct {
	StmtBase
}

func (*Pass) Type 

func (o *Pass) Type() *py.Type

type Pos 

type Pos struct {
	Lineno    int
	ColOffset int
}

Position in the parse tree

func (*Pos) GetColOffset 

func (o *Pos) GetColOffset() int

func (*Pos) GetLineno 

func (o *Pos) GetLineno() int

type Raise 

type Raise struct {
	StmtBase
	Exc   Expr
	Cause Expr
}

func (*Raise) Type 

func (o *Raise) Type() *py.Type

type Return 

type Return struct {
	StmtBase
	Value Expr
}

func (*Return) Type 

func (o *Return) Type() *py.Type

type Set 

type Set struct {
	ExprBase
	Elts []Expr
}

func (*Set) Type 

func (o *Set) Type() *py.Type

type SetComp 

type SetComp struct {
	ExprBase
	Elt        Expr
	Generators []Comprehension
}

func (*SetComp) Type 

func (o *SetComp) Type() *py.Type

type SetCtxer 

type SetCtxer interface {
	SetCtx(ExprContext)
}

ExprNodes which have a settable context implement this

type Singleton 

type Singleton py.Object

type Slice 

type Slice struct {
	SliceBase
	Lower Expr
	Upper Expr
	Step  Expr
}

func (*Slice) Type 

func (o *Slice) Type() *py.Type

type SliceBase 

type SliceBase struct {
	Pos
}

func (*SliceBase) Type 

func (o *SliceBase) Type() *py.Type

type Slicer 

type Slicer interface {
	Ast
	// contains filtered or unexported methods
}

All SliceBase nodes implement the Slicer interface

type Starred 

type Starred struct {
	ExprBase
	Value Expr
	Ctx   ExprContext
}

func (*Starred) SetCtx 

func (o *Starred) SetCtx(Ctx ExprContext)

func (*Starred) Type 

func (o *Starred) Type() *py.Type

type Stmt 

type Stmt interface {
	Ast
	// contains filtered or unexported methods
}

All StmtBase nodes implement the Stmt interface

type StmtBase 

type StmtBase struct {
	Pos
}

func (*StmtBase) Type 

func (o *StmtBase) Type() *py.Type

type Str 

type Str struct {
	ExprBase
	S py.String
}

func (*Str) Type 

func (o *Str) Type() *py.Type

type String 

type String py.String

type Subscript 

type Subscript struct {
	ExprBase
	Value Expr
	Slice Slicer
	Ctx   ExprContext
}

func (*Subscript) SetCtx 

func (o *Subscript) SetCtx(Ctx ExprContext)

func (*Subscript) Type 

func (o *Subscript) Type() *py.Type

type Suite 

type Suite struct {
	ModBase
	Body []Stmt
}

func (*Suite) Type 

func (o *Suite) Type() *py.Type

type Try 

type Try struct {
	StmtBase
	Body      []Stmt
	Handlers  []*ExceptHandler
	Orelse    []Stmt
	Finalbody []Stmt
}

func (*Try) Type 

func (o *Try) Type() *py.Type

type Tuple 

type Tuple struct {
	ExprBase
	Elts []Expr
	Ctx  ExprContext
}

func (*Tuple) SetCtx 

func (o *Tuple) SetCtx(Ctx ExprContext)

func (*Tuple) Type 

func (o *Tuple) Type() *py.Type

type UnaryOp 

type UnaryOp struct {
	ExprBase
	Op      UnaryOpNumber
	Operand Expr
}

func (*UnaryOp) Type 

func (o *UnaryOp) Type() *py.Type

type UnaryOpNumber 

type UnaryOpNumber int

func (UnaryOpNumber) String 

func (o UnaryOpNumber) String() string

type While 

type While struct {
	StmtBase
	Test   Expr
	Body   []Stmt
	Orelse []Stmt
}

func (*While) Type 

func (o *While) Type() *py.Type

type With 

type With struct {
	StmtBase
	Items []*WithItem
	Body  []Stmt
}

func (*With) Type 

func (o *With) Type() *py.Type

type WithItem 

type WithItem struct {
	Pos
	ContextExpr  Expr
	OptionalVars Expr
}

func (*WithItem) Type 

func (o *WithItem) Type() *py.Type

type Yield 

type Yield struct {
	ExprBase
	Value Expr
}

func (*Yield) Type 

func (o *Yield) Type() *py.Type

type YieldFrom 

type YieldFrom struct {
	ExprBase
	Value Expr
}

func (*YieldFrom) Type 

func (o *YieldFrom) Type() *py.Type

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