package parsers

import (
    // "fmt"
    engine "github.com/tgckpg/mmqlengine/mmql/engine"
    stmtd "github.com/tgckpg/mmqlengine/mmql/statements"
)

/*
EXPECT: [Number] [Units]
OR
EXPECT: [FUNCTION]( ...params )
*/

func AmountStatement( lexer *engine.Lexer ) ( istmt stmtd.IStatement, err error ) {
    stmt := stmtd.AmountStatement{}

    val, err := lexer.ReadDecimal()
    if err != nil {
        return
    }
    stmt.SetValue( val )

    unit, err := lexer.ReadAlpha()
    if err != nil {
        return
    }
    stmt.SetUnit( unit )

    istmt = stmt
    return
}