base

package
v1.1.2 Latest Latest
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 Go to latest Published: Oct 26, 2017 License: Apache-2.0 Imports: 3 Imported by: 0

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Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func FormatSExprInt64 

func FormatSExprInt64(buf *bytes.Buffer, x int64)

Types

type All 

type All struct {
	// contains filtered or unexported fields
}

All is the type of a reference to an immutable record.

func (All) A 

func (x All) A() AllOrExpr

A returns the A field.

func (All) AllOrExpr 

func (x All) AllOrExpr() AllOrExpr

AllOrExpr performs an upcast.

func (All) BE 

func (x All) BE() BinExpr

BE returns the BE field.

func (All) BO 

func (x All) BO() BinOp

BO returns the BO field.

func (All) CE 

func (x All) CE() ConstExpr

CE returns the CE field.

func (All) E 

func (x All) E() Expr

E returns the E field.

func (All) FormatSExpr 

func (x All) FormatSExpr(buf *bytes.Buffer)

func (All) V 

func (x All) V() AllValue

V unpacks a reference into a value.

type AllOrExpr 

type AllOrExpr struct {
	// contains filtered or unexported fields
}

AllOrExpr is the type of a tagged union of records.

func (AllOrExpr) All 

func (x AllOrExpr) All() (All, bool)

All performs a downcast. If the downcast fails, return false.

func (AllOrExpr) BinExpr 

func (x AllOrExpr) BinExpr() (BinExpr, bool)

BinExpr performs a downcast. If the downcast fails, return false.

func (AllOrExpr) FormatSExpr 

func (x AllOrExpr) FormatSExpr(buf *bytes.Buffer)

func (AllOrExpr) MustBeAll 

func (x AllOrExpr) MustBeAll() All

MustBeAll performs a downcast. If the downcast fails, panic.

func (AllOrExpr) MustBeBinExpr 

func (x AllOrExpr) MustBeBinExpr() BinExpr

MustBeBinExpr performs a downcast. If the downcast fails, panic.

func (AllOrExpr) Tag 

func (x AllOrExpr) Tag() AllOrExprTag

Tag returns the tag.

type AllOrExprTag 

type AllOrExprTag enum

AllOrExprTag is the tag type. 

const (
	AllOrExprAll     AllOrExprTag = 1
	AllOrExprBinExpr AllOrExprTag = 2
)

AllOrExprTag constants.

func (AllOrExprTag) String 

func (x AllOrExprTag) String() string

type AllValue 

type AllValue struct {
	E  Expr      // 1
	CE ConstExpr // 2
	BE BinExpr   // 3
	BO BinOp     // 4
	A  AllOrExpr // 5
}

AllValue is the logical type of a record. Immutable records are stored in nodes.

func (AllValue) R 

func (x AllValue) R(a Allocator) All

R constructs a reference to an immutable record.

func (AllValue) WithA 

func (x AllValue) WithA(y AllOrExpr) AllValue

WithA constructs a new value where the value of A has been replaced by the argument.

func (AllValue) WithBE 

func (x AllValue) WithBE(y BinExpr) AllValue

WithBE constructs a new value where the value of BE has been replaced by the argument.

func (AllValue) WithBO 

func (x AllValue) WithBO(y BinOp) AllValue

WithBO constructs a new value where the value of BO has been replaced by the argument.

func (AllValue) WithCE 

func (x AllValue) WithCE(y ConstExpr) AllValue

WithCE constructs a new value where the value of CE has been replaced by the argument.

func (AllValue) WithE 

func (x AllValue) WithE(y Expr) AllValue

WithE constructs a new value where the value of E has been replaced by the argument.

type Allocator 

type Allocator struct {
	// contains filtered or unexported fields
}

Allocator allocates nodes in batches. Construct Allocators with NewAllocator and pass them by value.

func NewAllocator 

func NewAllocator() Allocator

NewAllocator constructs a new Allocator.

type BinExpr 

type BinExpr struct {
	// contains filtered or unexported fields
}

BinExpr is the type of a reference to an immutable record.

func (BinExpr) AllOrExpr 

func (x BinExpr) AllOrExpr() AllOrExpr

AllOrExpr performs an upcast.

func (BinExpr) Expr 

func (x BinExpr) Expr() Expr

Expr performs an upcast.

func (BinExpr) FormatSExpr 

func (x BinExpr) FormatSExpr(buf *bytes.Buffer)

func (BinExpr) Left 

func (x BinExpr) Left() Expr

Left returns the Left field.

func (BinExpr) Op 

func (x BinExpr) Op() BinOp

Op returns the Op field.

func (BinExpr) Right 

func (x BinExpr) Right() Expr

Right returns the Right field.

func (BinExpr) V 

func (x BinExpr) V() BinExprValue

V unpacks a reference into a value.

type BinExprValue 

type BinExprValue struct {
	Left  Expr  // 1
	Op    BinOp // 2
	Right Expr  // 3
}

BinExprValue is the logical type of a record. Immutable records are stored in nodes.

func (BinExprValue) R 

func (x BinExprValue) R(a Allocator) BinExpr

R constructs a reference to an immutable record.

func (BinExprValue) WithLeft 

func (x BinExprValue) WithLeft(y Expr) BinExprValue

WithLeft constructs a new value where the value of Left has been replaced by the argument.

func (BinExprValue) WithOp 

func (x BinExprValue) WithOp(y BinOp) BinExprValue

WithOp constructs a new value where the value of Op has been replaced by the argument.

func (BinExprValue) WithRight 

func (x BinExprValue) WithRight(y Expr) BinExprValue

WithRight constructs a new value where the value of Right has been replaced by the argument.

type BinOp 

type BinOp enum

BinOp is an enumeration type. 

const (
	BinOpAdd BinOp = 1
	BinOpMul BinOp = 2
)

BinOp constants.

func (BinOp) FormatSExpr 

func (x BinOp) FormatSExpr(buf *bytes.Buffer)

func (BinOp) String 

func (x BinOp) String() string

type ConstExpr 

type ConstExpr struct {
	// contains filtered or unexported fields
}

ConstExpr is the type of a reference to an immutable record.

func (ConstExpr) Datum 

func (x ConstExpr) Datum() int64

Datum returns the Datum field.

func (ConstExpr) Expr 

func (x ConstExpr) Expr() Expr

Expr performs an upcast.

func (ConstExpr) FormatSExpr 

func (x ConstExpr) FormatSExpr(buf *bytes.Buffer)

func (ConstExpr) V 

func (x ConstExpr) V() ConstExprValue

V unpacks a reference into a value.

type ConstExprValue 

type ConstExprValue struct {
	Datum int64 // 1
}

ConstExprValue is the logical type of a record. Immutable records are stored in nodes.

func (ConstExprValue) R 

func (x ConstExprValue) R(a Allocator) ConstExpr

R constructs a reference to an immutable record.

func (ConstExprValue) WithDatum 

func (x ConstExprValue) WithDatum(y int64) ConstExprValue

WithDatum constructs a new value where the value of Datum has been replaced by the argument.

type Expr 

type Expr struct {
	// contains filtered or unexported fields
}

Expr is the type of a tagged union of records.

func (Expr) BinExpr 

func (x Expr) BinExpr() (BinExpr, bool)

BinExpr performs a downcast. If the downcast fails, return false.

func (Expr) ConstExpr 

func (x Expr) ConstExpr() (ConstExpr, bool)

ConstExpr performs a downcast. If the downcast fails, return false.

func (Expr) FormatSExpr 

func (x Expr) FormatSExpr(buf *bytes.Buffer)

func (Expr) MustBeBinExpr 

func (x Expr) MustBeBinExpr() BinExpr

MustBeBinExpr performs a downcast. If the downcast fails, panic.

func (Expr) MustBeConstExpr 

func (x Expr) MustBeConstExpr() ConstExpr

MustBeConstExpr performs a downcast. If the downcast fails, panic.

func (Expr) Tag 

func (x Expr) Tag() ExprTag

Tag returns the tag.

type ExprTag 

type ExprTag enum

ExprTag is the tag type. 

const (
	ExprConstExpr ExprTag = 1
	ExprBinExpr   ExprTag = 2
)

ExprTag constants.

func (ExprTag) String 

func (x ExprTag) String() string

type SexprFormatter 

type SexprFormatter interface {
	FormatSExpr(buf *bytes.Buffer)
}

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