package muesli 

import (
    _ "bytes"
    _ "errors"
    _ "fmt"
    _ "io"
    _ "reflect"
    _ "runtime"
    _ "strings"
    _ "unicode"
    _ "io"
    _ "os"
    _ "bufio"
    _ "unicode"
    // "gitlab.com/beoran/woe/graphviz"
    // _ "gitlab.com/beoran/woe/monolog"
    "gitlab.com/beoran/gdast/tree"
)



type AstKind int

const (
    AstKindProgram      = AstKind(iota)
    AstKindStatements
    AstKindStatement
    AstKindCommand
    AstKindArguments
    AstKindBlock
    AstKindList
    AstKindCapture
    AstKindWordValue
    AstKindWord
    AstKindType
    AstKindValue
    AstKindEox
    AstKindError
)


/* Run time values */
type Value interface {
}

type IntValue int64

type FloatValue float64

type StringValue string

type BoolValue bool

type WordValue string

type TypeValue string

type AnyValue struct {
}

type ListValue struct {
    List []Value
}


type Token struct {
    TokenKind
    Value
    Position
}


/* AST node kind */
type Ast struct {
    tree.Node
    AstKind
    * Token
}


type Parser struct {
    Lexer
    Ast
}





func (parser * Parser) ParseProgram() error {
    /*
    for parser.Position < len(Input) {
    }
    */
    return nil
}



func (parser * Parser) Parse() (Ast, error) {
    parser.Index     = 0
    err             := parser.ParseProgram()
    return parser.Ast, err
}