all repos — min @ 1a59e1ca38cb85f90117996bb530e5abf8b63e54

A small but practical concatenative programming language.

lib/num.nim

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import tables
import 
  ../core/types,
  ../core/parser, 
  ../core/interpreter, 
  ../core/utils

  # Arithmetic
  
define("num")

  .symbol("+") do (i: In):
    var a, b: MinValue
    i.reqTwoNumbers a, b
    if a.isInt:
      if b.isInt:
        i.push newVal(a.intVal + b.intVal)
      else:
        i.push newVal(a.intVal.float + b.floatVal)
    else:
      if b.isFloat:
        i.push newVal(a.floatVal + b.floatVal)
      else:
        i.push newVal(a.floatVal + b.intVal.float)
  
  .symbol("-") do (i: In):
    var a, b: MinValue
    i.reqTwoNumbers a, b
    if a.isInt:
      if b.isInt:
        i.push newVal(b.intVal - a.intVal)
      else:
        i.push newVal(b.floatVal - a.intVal.float)
    else:
      if b.isFloat:
        i.push newVal(b.floatVal - a.floatVal)
      else:
        i.push newVal(b.intVal.float - a.floatVal) 
  
  .symbol("*") do (i: In):
    var a, b: MinValue
    i.reqTwoNumbers a, b
    if a.isInt:
      if b.isInt:
        i.push newVal(a.intVal * b.intVal)
      else:
        i.push newVal(a.intVal.float * b.floatVal)
    else:
      if b.isFloat:
        i.push newVal(a.floatVal * b.floatVal)
      else:
        i.push newVal(a.floatVal * b.intVal.float)
  
  .symbol("/") do (i: In):
    var a, b: MinValue
    i.reqTwoNumbers a, b
    if a.isInt:
      if b.isInt:
        i.push newVal(b.intVal / a.intVal)
      else:
        i.push newVal(b.floatVal / a.intVal.float)
    else:
      if b.isFloat:
        i.push newVal(b.floatVal / a.floatVal)
      else:
        i.push newVal(b.intVal.float / a.floatVal) 
  
  .symbol("div") do (i: In):
    var a, b: MinValue
    i.reqTwoInts b, a
    i.push(newVal(a.intVal div b.intVal))
  
  .symbol("mod") do (i: In):
    var a, b: MinValue
    i.reqTwoInts b, a
    i.push(newVal(a.intVal mod b.intVal))
  
  .finalize()