all repos — min @ 8dc873a6adb297076184b979dbb1427a81476c07

A small but practical concatenative programming language.

lib/min_num.nim

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import 
  tables,
  random
import 
  ../core/parser, 
  ../core/value, 
  ../core/interpreter, 
  ../core/utils

  # Arithmetic
  
proc num_module*(i: In)=

  i.define()
  
    .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.int / a.intVal.int)
        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("random") do (i: In):
      var n: MinValue
      i.reqInt n
      i.push n.intVal.int.random.newVal

    .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))

    .symbol("succ") do (i: In):
      var n: MinValue
      i.reqInt n
      i.push newVal(n.intVal + 1)

    .symbol("pred") do (i: In):
      var n: MinValue
      i.reqInt n
      i.push newVal(n.intVal - 1)
  
    .symbol("even?") do (i: In):
      var n: MinValue
      i.reqInt n
      i.push newVal(n.intVal mod 2 == 0)

    .symbol("odd?") do (i: In):
      var n: MinValue
      i.reqInt n
      i.push newVal(n.intVal mod 2 != 0)

    .symbol("sum") do (i: In):
      var s: MinValue
      i.reqQuotationOfNumbers s
      var c = 0.float
      var isInt = true
      for n in s.qVal:
        if n.isFloat:
          isInt = false
          c = + n.floatVal
        else:
          c = c + n.intVal.float
      if isInt:
        i.push c.int.newVal
      else:
        i.push c.newVal

    .finalize("num")