astcopy

package module
v1.0.1-0...-9e04781 Latest Latest
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 Go to latest Published: Aug 8, 2019 License: MIT Imports: 1 Imported by: 0

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astcopy

Package astcopy implements Go AST reflection-free deep copy operations.

Installation:

go get github.com/go-toolsmith/astcopy

Example

package main

import (
	"fmt"
	"go/ast"
	"go/token"

	"github.com/go-toolsmith/astcopy"
	"github.com/go-toolsmith/astequal"
	"github.com/go-toolsmith/strparse"
)

func main() {
	x := strparse.Expr(`1 + 2`).(*ast.BinaryExpr)
	y := astcopy.BinaryExpr(x)
	fmt.Println(astequal.Expr(x, y)) // => true

	// Now modify x and make sure y is not modified.
	z := astcopy.BinaryExpr(y)
	x.Op = token.SUB
	fmt.Println(astequal.Expr(y, z)) // => true
	fmt.Println(astequal.Expr(x, y)) // => false
}

Documentation

Overview

Package astcopy implements Go AST reflection-free deep copy operations.

Example 
package main

import (
	"fmt"
	"go/ast"
	"go/token"

	"github.com/go-toolsmith/astequal"
	"github.com/go-toolsmith/strparse"
	"github.com/vvakame/astcopy"
)

func main() {
	x := strparse.Expr(`1 + 2`).(*ast.BinaryExpr)
	y := astcopy.BinaryExpr(x, nil)
	fmt.Println(astequal.Expr(x, y)) // => true

	// Now modify x and make sure y is not modified.
	z := astcopy.BinaryExpr(y, nil)
	x.Op = token.SUB
	fmt.Println(astequal.Expr(y, z)) // => true
	fmt.Println(astequal.Expr(x, y)) // => false

}

Output:

true
true
false

Index

Examples

Constants

This section is empty.

Variables

This section is empty.

Functions

func ArrayType 

func ArrayType(x *ast.ArrayType, nMap CopyNodeMap) *ast.ArrayType

ArrayType returns x deep copy. Copy of nil argument is nil.

func AssignStmt 

func AssignStmt(x *ast.AssignStmt, nMap CopyNodeMap) *ast.AssignStmt

AssignStmt returns x deep copy. Copy of nil argument is nil.

func BadDecl 

func BadDecl(x *ast.BadDecl, nMap CopyNodeMap) *ast.BadDecl

BadDecl returns x deep copy. Copy of nil argument is nil.

func BadExpr 

func BadExpr(x *ast.BadExpr, nMap CopyNodeMap) *ast.BadExpr

BadExpr returns x deep copy. Copy of nil argument is nil.

func BadStmt 

func BadStmt(x *ast.BadStmt, nMap CopyNodeMap) *ast.BadStmt

BadStmt returns x deep copy. Copy of nil argument is nil.

func BasicLit 

func BasicLit(x *ast.BasicLit, nMap CopyNodeMap) *ast.BasicLit

BasicLit returns x deep copy. Copy of nil argument is nil.

func BinaryExpr 

func BinaryExpr(x *ast.BinaryExpr, nMap CopyNodeMap) *ast.BinaryExpr

BinaryExpr returns x deep copy. Copy of nil argument is nil.

func BlockStmt 

func BlockStmt(x *ast.BlockStmt, nMap CopyNodeMap) *ast.BlockStmt

BlockStmt returns x deep copy. Copy of nil argument is nil.

func BranchStmt 

func BranchStmt(x *ast.BranchStmt, nMap CopyNodeMap) *ast.BranchStmt

BranchStmt returns x deep copy. Copy of nil argument is nil.

func CallExpr 

func CallExpr(x *ast.CallExpr, nMap CopyNodeMap) *ast.CallExpr

CallExpr returns x deep copy. Copy of nil argument is nil.

func CaseClause 

func CaseClause(x *ast.CaseClause, nMap CopyNodeMap) *ast.CaseClause

CaseClause returns x deep copy. Copy of nil argument is nil.

func ChanType 

func ChanType(x *ast.ChanType, nMap CopyNodeMap) *ast.ChanType

ChanType returns x deep copy. Copy of nil argument is nil.

func CommClause 

func CommClause(x *ast.CommClause, nMap CopyNodeMap) *ast.CommClause

CommClause returns x deep copy. Copy of nil argument is nil.

func Comment 

func Comment(x *ast.Comment, nMap CopyNodeMap) *ast.Comment

Comment returns x deep copy. Copy of nil argument is nil.

func CommentGroup 

func CommentGroup(x *ast.CommentGroup, nMap CopyNodeMap) *ast.CommentGroup

CommentGroup returns x deep copy. Copy of nil argument is nil.

func CompositeLit 

func CompositeLit(x *ast.CompositeLit, nMap CopyNodeMap) *ast.CompositeLit

CompositeLit returns x deep copy. Copy of nil argument is nil.

func Decl 

func Decl(x ast.Decl, nMap CopyNodeMap) ast.Decl

Decl returns x declaration deep copy. Copy of nil argument is nil.

func DeclList 

func DeclList(xs []ast.Decl, nMap CopyNodeMap) []ast.Decl

DeclList returns xs declaration slice deep copy. Copy of nil argument is nil.

func DeclStmt 

func DeclStmt(x *ast.DeclStmt, nMap CopyNodeMap) *ast.DeclStmt

DeclStmt returns x deep copy. Copy of nil argument is nil.

func DeferStmt 

func DeferStmt(x *ast.DeferStmt, nMap CopyNodeMap) *ast.DeferStmt

DeferStmt returns x deep copy. Copy of nil argument is nil.

func Ellipsis 

func Ellipsis(x *ast.Ellipsis, nMap CopyNodeMap) *ast.Ellipsis

Ellipsis returns x deep copy. Copy of nil argument is nil.

func EmptyStmt 

func EmptyStmt(x *ast.EmptyStmt, nMap CopyNodeMap) *ast.EmptyStmt

EmptyStmt returns x deep copy. Copy of nil argument is nil.

func Expr 

func Expr(x ast.Expr, nMap CopyNodeMap) ast.Expr

Expr returns x expression deep copy. Copy of nil argument is nil.

func ExprList 

func ExprList(xs []ast.Expr, nMap CopyNodeMap) []ast.Expr

ExprList returns xs expression slice deep copy. Copy of nil argument is nil.

func ExprStmt 

func ExprStmt(x *ast.ExprStmt, nMap CopyNodeMap) *ast.ExprStmt

ExprStmt returns x deep copy. Copy of nil argument is nil.

func Field 

func Field(x *ast.Field, nMap CopyNodeMap) *ast.Field

Field returns x deep copy. Copy of nil argument is nil.

func FieldList 

func FieldList(x *ast.FieldList, nMap CopyNodeMap) *ast.FieldList

FieldList returns x deep copy. Copy of nil argument is nil.

func File 

func File(x *ast.File, nMap CopyNodeMap) *ast.File

File returns x deep copy. Copy of nil argument is nil.

func ForStmt 

func ForStmt(x *ast.ForStmt, nMap CopyNodeMap) *ast.ForStmt

ForStmt returns x deep copy. Copy of nil argument is nil.

func FuncDecl 

func FuncDecl(x *ast.FuncDecl, nMap CopyNodeMap) *ast.FuncDecl

FuncDecl returns x deep copy. Copy of nil argument is nil.

func FuncLit 

func FuncLit(x *ast.FuncLit, nMap CopyNodeMap) *ast.FuncLit

FuncLit returns x deep copy. Copy of nil argument is nil.

func FuncType 

func FuncType(x *ast.FuncType, nMap CopyNodeMap) *ast.FuncType

FuncType returns x deep copy. Copy of nil argument is nil.

func GenDecl 

func GenDecl(x *ast.GenDecl, nMap CopyNodeMap) *ast.GenDecl

GenDecl returns x deep copy. Copy of nil argument is nil.

func GoStmt 

func GoStmt(x *ast.GoStmt, nMap CopyNodeMap) *ast.GoStmt

GoStmt returns x deep copy. Copy of nil argument is nil.

func Ident 

func Ident(x *ast.Ident, nMap CopyNodeMap) *ast.Ident

Ident returns x deep copy. Copy of nil argument is nil.

func IdentList 

func IdentList(xs []*ast.Ident, nMap CopyNodeMap) []*ast.Ident

IdentList returns xs identifier slice deep copy. Copy of nil argument is nil.

func IfStmt 

func IfStmt(x *ast.IfStmt, nMap CopyNodeMap) *ast.IfStmt

IfStmt returns x deep copy. Copy of nil argument is nil.

func ImportSpec 

func ImportSpec(x *ast.ImportSpec, nMap CopyNodeMap) *ast.ImportSpec

ImportSpec returns x deep copy. Copy of nil argument is nil.

func IncDecStmt 

func IncDecStmt(x *ast.IncDecStmt, nMap CopyNodeMap) *ast.IncDecStmt

IncDecStmt returns x deep copy. Copy of nil argument is nil.

func IndexExpr 

func IndexExpr(x *ast.IndexExpr, nMap CopyNodeMap) *ast.IndexExpr

IndexExpr returns x deep copy. Copy of nil argument is nil.

func InterfaceType 

func InterfaceType(x *ast.InterfaceType, nMap CopyNodeMap) *ast.InterfaceType

InterfaceType returns x deep copy. Copy of nil argument is nil.

func KeyValueExpr 

func KeyValueExpr(x *ast.KeyValueExpr, nMap CopyNodeMap) *ast.KeyValueExpr

KeyValueExpr returns x deep copy. Copy of nil argument is nil.

func LabeledStmt 

func LabeledStmt(x *ast.LabeledStmt, nMap CopyNodeMap) *ast.LabeledStmt

LabeledStmt returns x deep copy. Copy of nil argument is nil.

func MapType 

func MapType(x *ast.MapType, nMap CopyNodeMap) *ast.MapType

MapType returns x deep copy. Copy of nil argument is nil.

func Node 

func Node(x ast.Node, nMap CopyNodeMap) ast.Node

Node returns x node deep copy. Copy of nil argument is nil.

func NodeList 

func NodeList(xs []ast.Node, nMap CopyNodeMap) []ast.Node

NodeList returns xs node slice deep copy. Copy of nil argument is nil.

func Package 

func Package(x *ast.Package, nMap CopyNodeMap) *ast.Package

Package returns x deep copy. Copy of nil argument is nil.

func ParenExpr 

func ParenExpr(x *ast.ParenExpr, nMap CopyNodeMap) *ast.ParenExpr

ParenExpr returns x deep copy. Copy of nil argument is nil.

func RangeStmt 

func RangeStmt(x *ast.RangeStmt, nMap CopyNodeMap) *ast.RangeStmt

RangeStmt returns x deep copy. Copy of nil argument is nil.

func ReturnStmt 

func ReturnStmt(x *ast.ReturnStmt, nMap CopyNodeMap) *ast.ReturnStmt

ReturnStmt returns x deep copy. Copy of nil argument is nil.

func SelectStmt 

func SelectStmt(x *ast.SelectStmt, nMap CopyNodeMap) *ast.SelectStmt

SelectStmt returns x deep copy. Copy of nil argument is nil.

func SelectorExpr 

func SelectorExpr(x *ast.SelectorExpr, nMap CopyNodeMap) *ast.SelectorExpr

SelectorExpr returns x deep copy. Copy of nil argument is nil.

func SendStmt 

func SendStmt(x *ast.SendStmt, nMap CopyNodeMap) *ast.SendStmt

SendStmt returns x deep copy. Copy of nil argument is nil.

func SliceExpr 

func SliceExpr(x *ast.SliceExpr, nMap CopyNodeMap) *ast.SliceExpr

SliceExpr returns x deep copy. Copy of nil argument is nil.

func Spec 

func Spec(x ast.Spec, nMap CopyNodeMap) ast.Spec

Spec returns x deep copy. Copy of nil argument is nil.

func SpecList 

func SpecList(xs []ast.Spec, nMap CopyNodeMap) []ast.Spec

SpecList returns xs spec slice deep copy. Copy of nil argument is nil.

func StarExpr 

func StarExpr(x *ast.StarExpr, nMap CopyNodeMap) *ast.StarExpr

StarExpr returns x deep copy. Copy of nil argument is nil.

func Stmt 

func Stmt(x ast.Stmt, nMap CopyNodeMap) ast.Stmt

Stmt returns x statement deep copy. Copy of nil argument is nil.

func StmtList 

func StmtList(xs []ast.Stmt, nMap CopyNodeMap) []ast.Stmt

StmtList returns xs statement slice deep copy. Copy of nil argument is nil.

func StructType 

func StructType(x *ast.StructType, nMap CopyNodeMap) *ast.StructType

StructType returns x deep copy. Copy of nil argument is nil.

func SwitchStmt 

func SwitchStmt(x *ast.SwitchStmt, nMap CopyNodeMap) *ast.SwitchStmt

SwitchStmt returns x deep copy. Copy of nil argument is nil.

func TypeAssertExpr 

func TypeAssertExpr(x *ast.TypeAssertExpr, nMap CopyNodeMap) *ast.TypeAssertExpr

TypeAssertExpr returns x deep copy. Copy of nil argument is nil.

func TypeSpec 

func TypeSpec(x *ast.TypeSpec, nMap CopyNodeMap) *ast.TypeSpec

TypeSpec returns x deep copy. Copy of nil argument is nil.

func TypeSwitchStmt 

func TypeSwitchStmt(x *ast.TypeSwitchStmt, nMap CopyNodeMap) *ast.TypeSwitchStmt

TypeSwitchStmt returns x deep copy. Copy of nil argument is nil.

func UnaryExpr 

func UnaryExpr(x *ast.UnaryExpr, nMap CopyNodeMap) *ast.UnaryExpr

UnaryExpr returns x deep copy. Copy of nil argument is nil.

func ValueSpec 

func ValueSpec(x *ast.ValueSpec, nMap CopyNodeMap) *ast.ValueSpec

ValueSpec returns x deep copy. Copy of nil argument is nil.

Types

type CopyNodeMap 

type CopyNodeMap map[ast.Node]ast.Node

CopyNodeMap hold mapping copied node to original node.

Source Files

View all Source files

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