all repos — min @ 314c9a11a145621f934d5d73fabab926c57c21f0

A small but practical concatenative programming language.

lib/min_num.nim

 1
 2
 3
 4
 5
 6
 7
 8
 9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
 100
 101
 102
 
import 
  tables,
  random
import 
  ../core/parser, 
  ../core/value, 
  ../core/interpreter, 
  ../core/utils

  # Arithmetic
  
proc num_module*(i: In)=

  i.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.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("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)

    .finalize()