ast

package

v0.2.0 Latest Latest Go to latest Published: Dec 26, 2020 License: MIT Imports: 3 Imported by: 2

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

github.com/skius/stringlang

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Open Source Insights

Documentation ¶

Index ¶

func FuncParamsPrepend(p, ps Attrib) ([]string, error)
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 Block
- func (b Block) Eval(c Context) Val
- func (b Block) String() string
type Call
- func (ca Call) Eval(c Context) Val
- func (ca Call) String() string
type CallArgs
- func CallArgsPrepend(e, a Attrib) (CallArgs, error)
- func NewCallArgs() (CallArgs, error)
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 BlockPrepend(e, b Attrib) (Expr, error)
- func NewAnd(a, b Attrib) (Expr, error)
- func NewArg(i Attrib) (Expr, error)
- func NewAssn(v, e Attrib) (Expr, error)
- func NewBlock() (Expr, error)
- func NewCall(f, as Attrib) (Expr, error)
- func NewConcat(a, b Attrib) (Expr, error)
- func NewEquals(a, b Attrib) (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 NewProgram(f, b Attrib) (Expr, error)
- func NewVal(a Attrib) (Expr, error)
- func NewVar(a Attrib) (Expr, error)
- func NewWhile(c, b Attrib) (Expr, error)
type FuncDecl
- func FuncDeclsAppend(f, fs Attrib) ([]FuncDecl, error)
- func NewFuncDecl(i, p, b Attrib) (FuncDecl, error)
- func (f FuncDecl) Call(c Context, args []Val) Val
- func (f FuncDecl) 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 Program
- func (p Program) Eval(c Context) Val
- func (p Program) 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 ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func FuncParamsPrepend ¶ added in v0.2.0

func FuncParamsPrepend(p, ps Attrib) ([]string, error)

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 Block ¶ added in v0.2.0

type Block []Expr

func (Block) Eval ¶ added in v0.2.0

func (b Block) Eval(c Context) Val

func (Block) String ¶ added in v0.2.0

func (b Block) String() string

type Call ¶

type Call struct {
	Fn   Var
	Args CallArgs
}

func (Call) Eval ¶

func (ca Call) Eval(c Context) Val

func (Call) String ¶

func (ca Call) String() string

type CallArgs ¶ added in v0.2.0

type CallArgs []Expr

CallArgs is not an Expr, since it can never appear on its own

func CallArgsPrepend ¶ added in v0.2.0

func CallArgsPrepend(e, a Attrib) (CallArgs, error)

func NewCallArgs ¶ added in v0.2.0

func NewCallArgs() (CallArgs, error)

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
	UserFunctionMap map[string]FuncDecl
	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 BlockPrepend ¶ added in v0.2.0

func BlockPrepend(e, b 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 NewBlock ¶ added in v0.2.0

func NewBlock() (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 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 NewProgram ¶ added in v0.2.0

func NewProgram(f, 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 FuncDecl ¶ added in v0.2.0

type FuncDecl struct {
	Params     []string
	Code       Block
	Identifier string
}

FuncDecl is not an Expr, since it can never appear on its own

func FuncDeclsAppend ¶ added in v0.2.0

func FuncDeclsAppend(f, fs Attrib) ([]FuncDecl, error)

func NewFuncDecl ¶ added in v0.2.0

func NewFuncDecl(i, p, b Attrib) (FuncDecl, error)

func (FuncDecl) Call ¶ added in v0.2.0

func (f FuncDecl) Call(c Context, args []Val) Val

func (FuncDecl) String ¶ added in v0.2.0

func (f FuncDecl) 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 Program ¶ added in v0.2.0

type Program struct {
	Funcs []FuncDecl
	Code  Block
}

func (Program) Eval ¶ added in v0.2.0

func (p Program) Eval(c Context) Val

func (Program) String ¶ added in v0.2.0

func (p Program) 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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