ast

package

v0.1.0 Latest Latest Go to latest Published: Dec 24, 2020 License: MIT Imports: 3 Imported by: 2

Details

Valid go.mod file
Redistributable license
Tagged version
Stable version
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Repository

github.com/skius/stringlang

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Documentation ¶

Index ¶

Constants
type And
- func (a And) Eval(c Context) Val
- func (a And) String() string
type Arg
- func (a Arg) Eval(c Context) Val
- func (a Arg) String() string
type Assn
- func (a Assn) Eval(c Context) Val
- func (a Assn) String() string
type Attrib
type Call
- func (ca Call) Eval(c Context) Val
- func (ca Call) String() string
type Concat
- func (cc Concat) Eval(c Context) Val
- func (cc Concat) String() string
type Context
- func NewContext(args []string, funcs map[string]func([]string) string) Context
type Equals
- func (e Equals) Eval(c Context) Val
- func (e Equals) String() string
type Expr
- func ExprSeqAppend(s, e Attrib) (Expr, error)
- func NewAnd(a, b Attrib) (Expr, error)
- func NewArg(i Attrib) (Expr, error)
- func NewAssn(v, e Attrib) (Expr, error)
- func NewCall(f, as Attrib) (Expr, error)
- func NewConcat(a, b Attrib) (Expr, error)
- func NewEquals(a, b Attrib) (Expr, error)
- func NewExprSeq() (Expr, error)
- func NewIfElse(c, t, e Attrib) (Expr, error)
- func NewIndex(s, i Attrib) (Expr, error)
- func NewIndexInt(s, i Attrib) (Expr, error)
- func NewNotEquals(a, b Attrib) (Expr, error)
- func NewOr(a, b Attrib) (Expr, error)
- func NewVal(a Attrib) (Expr, error)
- func NewVar(a Attrib) (Expr, error)
- func NewWhile(c, b Attrib) (Expr, error)
type ExprSeq
- func (es ExprSeq) Eval(c Context) Val
- func (es ExprSeq) String() string
type IfElse
- func (e IfElse) Eval(c Context) Val
- func (e IfElse) String() string
type Index
- func (i Index) Eval(c Context) Val
- func (i Index) String() string
type NotEquals
- func (e NotEquals) Eval(c Context) Val
- func (e NotEquals) String() string
type Or
- func (o Or) Eval(c Context) Val
- func (o Or) String() string
type Val
- func (v Val) Eval(c Context) Val
- func (v Val) String() string
type Var
- func (v Var) Eval(c Context) Val
- func (v Var) String() string
type While
- func (e While) Eval(c Context) Val
- func (e While) String() string

Constants ¶

View Source

const False = Val("")

Variables ¶

This section is empty.

Functions ¶

This section is empty.

Types ¶

type And ¶

type And struct {
	A Expr
	B Expr
}

func (And) Eval ¶

func (a And) Eval(c Context) Val

func (And) String ¶

func (a And) String() string

type Arg ¶

type Arg int

func (Arg) Eval ¶

func (a Arg) Eval(c Context) Val

func (Arg) String ¶

func (a Arg) String() string

type Assn ¶

type Assn struct {
	V Var
	E Expr
}

func (Assn) Eval ¶

func (a Assn) Eval(c Context) Val

func (Assn) String ¶

func (a Assn) String() string

type Attrib ¶

type Attrib interface{}

type Call ¶

type Call struct {
	Fn   Var
	Args []Expr
}

func (Call) Eval ¶

func (ca Call) Eval(c Context) Val

func (Call) String ¶

func (ca Call) String() string

type Concat ¶

type Concat struct {
	A Expr
	B Expr
}

func (Concat) Eval ¶

func (cc Concat) Eval(c Context) Val

func (Concat) String ¶

func (cc Concat) String() string

type Context ¶

type Context struct {
	Args         []string
	VariableMap  map[Var]Val
	FunctionMap  map[string]func([]string) string
	MaxStackSize int64
	MaxWhileIter int
}

func NewContext ¶

func NewContext(args []string, funcs map[string]func([]string) string) Context

type Equals ¶

type Equals struct {
	A Expr
	B Expr
}

func (Equals) Eval ¶

func (e Equals) Eval(c Context) Val

func (Equals) String ¶

func (e Equals) String() string

type Expr ¶

type Expr interface {
	Eval(Context) Val
	String() string
}

func ExprSeqAppend ¶

func ExprSeqAppend(s, e Attrib) (Expr, error)

func NewAnd ¶

func NewAnd(a, b Attrib) (Expr, error)

func NewArg ¶

func NewArg(i Attrib) (Expr, error)

func NewAssn ¶

func NewAssn(v, e Attrib) (Expr, error)

func NewCall ¶

func NewCall(f, as Attrib) (Expr, error)

func NewConcat ¶

func NewConcat(a, b Attrib) (Expr, error)

func NewEquals ¶

func NewEquals(a, b Attrib) (Expr, error)

func NewExprSeq ¶

func NewExprSeq() (Expr, error)

func NewIfElse ¶

func NewIfElse(c, t, e Attrib) (Expr, error)

func NewIndex ¶

func NewIndex(s, i Attrib) (Expr, error)

func NewIndexInt ¶

func NewIndexInt(s, i Attrib) (Expr, error)

func NewNotEquals ¶

func NewNotEquals(a, b Attrib) (Expr, error)

func NewOr ¶

func NewOr(a, b Attrib) (Expr, error)

func NewVal ¶

func NewVal(a Attrib) (Expr, error)

func NewVar ¶

func NewVar(a Attrib) (Expr, error)

func NewWhile ¶

func NewWhile(c, b Attrib) (Expr, error)

type ExprSeq ¶

type ExprSeq []Expr

func (ExprSeq) Eval ¶

func (es ExprSeq) Eval(c Context) Val

func (ExprSeq) String ¶

func (es ExprSeq) String() string

type IfElse ¶

type IfElse struct {
	Cond Expr
	Then Expr
	Else Expr
}

func (IfElse) Eval ¶

func (e IfElse) Eval(c Context) Val

func (IfElse) String ¶

func (e IfElse) String() string

type Index ¶

type Index struct {
	Source Expr
	I      Expr
}

func (Index) Eval ¶

func (i Index) Eval(c Context) Val

func (Index) String ¶

func (i Index) String() string

type NotEquals ¶

type NotEquals struct {
	A Expr
	B Expr
}

func (NotEquals) Eval ¶

func (e NotEquals) Eval(c Context) Val

func (NotEquals) String ¶

func (e NotEquals) String() string

type Or ¶

type Or struct {
	A Expr
	B Expr
}

func (Or) Eval ¶

func (o Or) Eval(c Context) Val

func (Or) String ¶

func (o Or) String() string

type Val ¶

type Val string

func (Val) Eval ¶

func (v Val) Eval(c Context) Val

func (Val) String ¶

func (v Val) String() string

type Var ¶

type Var string

func (Var) Eval ¶

func (v Var) Eval(c Context) Val

func (Var) String ¶

func (v Var) String() string

type While ¶

type While struct {
	Cond Expr
	Body Expr
}

func (While) Eval ¶

func (e While) Eval(c Context) Val

func (While) String ¶

func (e While) String() string

Source Files ¶

View all Source files

ast.go

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