all repos — min @ 4f157a8e003dd068d99a9cf1c95ccea268a2496d

A small but practical concatenative programming language.

lib/min_logic.nim

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

# Comparison operators


proc logic_module*(i: In)=
  i.define("logic")
  
    .symbol(">") do (i: In):
      var n2, n1: MinValue
      i.reqTwoNumbersOrStrings n2, n1
      if n1.isNumber and n2.isNumber:
        if n1.isInt and n2.isInt:
          i.push newVal(n1.intVal > n2.intVal)
        elif n1.isInt and n2.isFloat:
          i.push newVal(n1.intVal.float > n2.floatVal)
        elif n1.isFloat and n2.isFloat:
          i.push newVal(n1.floatVal > n2.floatVal)
        elif n1.isFloat and n2.isInt:
          i.push newVal(n1.floatVal > n2.intVal.float)
      else:
          i.push newVal(n1.strVal > n2.strVal)
  
    .symbol(">=") do (i: In):
      var n2, n1: MinValue
      i.reqTwoNumbersOrStrings n2, n1
      if n1.isNumber and n2.isNumber:
        if n1.isInt and n2.isInt:
          i.push newVal(n1.intVal >= n2.intVal)
        elif n1.isInt and n2.isFloat:
          i.push newVal(n1.intVal.float >= n2.floatVal)
        elif n1.isFloat and n2.isFloat:
          i.push newVal(n1.floatVal >= n2.floatVal)
        elif n1.isFloat and n2.isInt:
          i.push newVal(n1.floatVal >= n2.intVal.float)
      else:
          i.push newVal(n1.strVal >= n2.strVal)
    
    .symbol("<") do (i: In):
      var n2, n1: MinValue
      i.reqTwoNumbersOrStrings n1, n2
      if n1.isNumber and n2.isNumber:
        if n1.isInt and n2.isInt:
          i.push newVal(n1.intVal > n2.intVal)
        elif n1.isInt and n2.isFloat:
          i.push newVal(n1.intVal.float > n2.floatVal)
        elif n1.isFloat and n2.isFloat:
          i.push newVal(n1.floatVal > n2.floatVal)
        elif n1.isFloat and n2.isInt:
          i.push newVal(n1.floatVal > n2.intVal.float)
      else:
          i.push newVal(n1.strVal > n2.strVal)
    
    .symbol("<=") do (i: In):
      var n2, n1: MinValue
      i.reqTwoNumbersOrStrings n1, n2
      if n1.isNumber and n2.isNumber:
        if n1.isInt and n2.isInt:
          i.push newVal(n1.intVal >= n2.intVal)
        elif n1.isInt and n2.isFloat:
          i.push newVal(n1.intVal.float >= n2.floatVal)
        elif n1.isFloat and n2.isFloat:
          i.push newVal(n1.floatVal >= n2.floatVal)
        elif n1.isFloat and n2.isInt:
          i.push newVal(n1.floatVal >= n2.intVal.float)
      else:
          i.push newVal(n1.strVal >= n2.strVal)
    
    .symbol("==") do (i: In):
      var n1, n2: MinValue
      i.reqTwoSimilarTypesNonSymbol n2, n1
      i.push newVal(n1 == n2)
    
    .symbol("!=") do (i: In):
      var n1, n2: MinValue
      i.reqTwoSimilarTypesNonSymbol n2, n1
      i.push newVal(not (n1 == n2))
    
    # Boolean Logic
    
    .symbol("not") do (i: In):
      var b: MinValue
      i.reqBool b
      i.push newVal(not b.boolVal)
    
    .symbol("and") do (i: In):
      var a, b: MinValue
      i.reqTwoBools a, b
      i.push newVal(a.boolVal and b.boolVal)
    
    .symbol("or") do (i: In):
      var a, b: MinValue
      i.reqTwoBools a, b
      i.push newVal(a.boolVal or b.boolVal)
    
    .symbol("xor") do (i: In):
      var a, b: MinValue
      i.reqTwoBools a, b
      i.push newVal(a.boolVal xor b.boolVal)
    
    .symbol("string?") do (i: In):
      if i.peek.kind == minString:
        i.push true.newVal
      else:
        i.push false.newVal
    
    .symbol("int?") do (i: In):
      if i.peek.kind == minInt:
        i.push true.newVal
      else:
        i.push false.newVal
    
    .symbol("float?") do (i: In):
      if i.peek.kind == minFloat:
        i.push true.newVal
      else:
        i.push false.newVal
    
    .symbol("number?") do (i: In):
      if i.peek.kind == minFloat or i.peek.kind == minInt:
        i.push true.newVal
      else:
        i.push false.newVal
    
    .symbol("bool?") do (i: In):
      if i.peek.kind == minBool:
        i.push true.newVal
      else:
        i.push false.newVal
    
    .symbol("quotation?") do (i: In):
      if i.peek.kind == minQuotation:
        i.push true.newVal
      else:
        i.push false.newVal
  
    .symbol("dictionary?") do (i: In):
      if i.peek.isDictionary:
        i.push true.newVal
      else:
        i.push false.newVal
  
    .finalize()