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Initial implementation and documentation
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‎README.md‎

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# Emo
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# Emo
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Programming is a very emotional process. Therefore there is a need for a language that allows us to express our emotions _within_ the code. Emo fills this need.
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# Usage
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`python emo_interpreter.py example.emo`
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# Example
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```Emo
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:X This is a comment
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:X Best practice is to put two spaces between the comment
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:X indicator and the content of a comment
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:X This is the same with all operators
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:X Strings, ints, and floats are what you'd expect
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"Hello" :X Strings
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-25 :X Ints
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3.14 :X Floats
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:X Print statement is tongue-sticking-out-face
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:P "This prints with a newline"
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:p "This prints without a newline"
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:X Arithmetic Operators
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:P 4 +_+ 3 :X Addition
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:P 4 -_- 3 :X Subtraction
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:P 4 *_* 3 :X Multiplication
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:P 4 ^_^ 3 :X Exponentiation
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:P 4 %_% 3 :X Modulo
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:P 4 :\/ 3 :X Derpy Division (uses integer division)
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:X Comparison operators
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:P 4 <_< 3 :X Less than
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:P 4 >_> 3 :X Greater than
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:P 4 =_= 3 :X Equality
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:P 4 >_< 3 :X Inequality
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:X Variable names consist of eyes, a nose, and a mouth consisting of one letter
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:X Assignment operator is beaver face
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:-y := 5
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:P :-y :X -> 5
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:X Arrays are declared with square-smiley delimiters and
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:X crying-small-face separators
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:X They are accessed with square-smileys
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:-o := [: 'first' ,_, 'second' ,_, 'third' :]
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:P :-o [: 1 :] :X -> 'second'
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:-o [: 1 :] := 'newval'
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:P :-o :X -> ['first', 'newval', 'third']
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:X Associative arrays are declared with curly-smiley delimiters,
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:X crying-small-face separators, and use very-happy-smileys to
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:X relate keys and values. They are accessed with square-smileys
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:-n := {:
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'key1' => 'val1' ,_,
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'key2' => 'val2' ,_,
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'key3' => 'val2'
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:}
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:P :-n [: 'key1' :] :X -> 'val1'
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:X Control statements
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:X Indentation is significant
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(?_?) :-y <_< 0 :X If
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:P "Negative"
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(!_?) :-y >_> 0 :X Else if
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:P "Positive"
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(!_!) :X Else
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:P "Zero"
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(@_@) :-o :X For loop
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:P :-i :X :-i is the implicit index variable
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:X Exceptions
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( -_-) :X Try
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:P "Trying operation"
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\(>o<)/ "Badness!" :X Throw exception
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( O_O) :X Catch
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:P "Caught an exception"
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(;-_-) :X Finally
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:P "Cleaning up"
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:X Functions are declared with a kissy-face,
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:X the name of the function, and then a round-smiley
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:X list of arguments
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:X The 'for-you' gesture returns from the function
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:X Add function
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( ')3 :-a (: :-x ,_, :-y :)
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(>")> :-x +_+ :-y
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:p "Sum of 5 and 6: "
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:P :-a (: 5 ,_, 6 :)
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:X Boolean literals are happy face and sad face
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:-) :X true
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:-( :X false
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:X Boolean operators
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:P :-) :& :-( :X and
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:P :-) :| :-( :X or
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:P :! :-( :X not
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:X Generate a random value between 0.0 and 1.0
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:X with the waffle operator
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:P (#)
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```

‎emo_interpreter.py‎

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#!/usr/bin/python -u
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import re, sys
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from collections import OrderedDict
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preamble = '''
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import random
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import sys
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'''
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faceRepMap = OrderedDict({
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':P' : 'print ',
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':p' : 'sys.stdout.write(str(\\1))',
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'(?_?)' : 'if \\1:',
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'(!_?)' : 'elif \\1:',
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'(!_!)' : 'else:',
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'._.' : '.',
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',_,' : ',',
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'( -_-)' : 'try:',
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'( O_O)' : 'except:',
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'(;-_-)' : 'finally:',
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'( \')3' : 'def \\1 :', # I know, these don't
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'(@_@)' : 'for i in \\1 :', # make any sense
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'*_*' : '*',
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'+_+' : '+',
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'%_%' : '%',
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'^_^' : '**',
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':\\/' : '/',
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'>_>' : '>',
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'<_<' : '<',
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'=_=' : '==',
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'>_<' : '!=',
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'(:' : '(',
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':)' : ')',
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'[:' : '[',
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':]' : ']',
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'{:' : '{',
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':}' : '}',
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':-)' : 'True',
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':-(' : 'False',
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':|' : 'or',
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':&' : 'and',
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':!' : 'not',
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'=>' : ':',
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'(#)' : 'random.random()',
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':=' : '=',
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'(>")>' : 'return ',
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'(^-^)/' : 'exit(\\1)',
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'\\(>o<)/' : 'raise Exception(\\1)'
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})
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faceRepMap['-_-'] = '-' # ensure this will be done last
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def run(fileName='example.emo'):
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raw = preamble + open(fileName).read()
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raw = re.sub(':X.*', '', raw) # Strip comments
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raw = re.sub(':-([A-z]+)', '\\1', raw) # Substitute identifiers
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for face, repl in faceRepMap.items(): # Substitute operators, etc.
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if '\\1' in repl:
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regex = re.escape(face) + '(.*)'
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raw = re.sub(regex, repl, raw)
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else:
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raw = raw.replace(face, repl)
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exec raw
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if len(sys.argv) > 1:
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run(sys.argv[1])

‎example.emo‎

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:X This is a comment
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:X Best practice is to put two spaces between the comment
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:X indicator and the content of a comment
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:X This is the same with all operators
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:X Strings, ints, and floats are what you'd expect
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"Hello" :X Strings
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-25 :X Ints
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3.14 :X Floats
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:X Print statement is tongue-sticking-out-face
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:P "This prints with a newline"
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:p "This prints without a newline"
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:X Arithmetic Operators
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:P 4 +_+ 3 :X Addition
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:P 4 -_- 3 :X Subtraction
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:P 4 *_* 3 :X Multiplication
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:P 4 ^_^ 3 :X Exponentiation
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:P 4 %_% 3 :X Modulo
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:P 4 :\/ 3 :X Derpy Division (uses integer division)
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:X Comparison operators
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:P 4 <_< 3 :X Less than
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:P 4 >_> 3 :X Greater than
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:P 4 =_= 3 :X Equality
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:P 4 >_< 3 :X Inequality
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:X Variable names consist of eyes, a nose, and a mouth consisting of one letter
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:X Assignment operator is beaver face
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:-y := 5
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:P :-y :X -> 5
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:X Arrays are declared with square-smiley delimiters and
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:X crying-small-face separators
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:X They are accessed with square-smileys
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:-o := [: 'first' ,_, 'second' ,_, 'third' :]
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:P :-o [: 1 :] :X -> 'second'
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:-o [: 1 :] := 'newval'
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:P :-o :X -> ['first', 'newval', 'third']
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:X Associative arrays are declared with curly-smiley delimiters,
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:X crying-small-face separators, and use very-happy-smileys to
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:X relate keys and values. They are accessed with square-smileys
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:-n := {:
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'key1' => 'val1' ,_,
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'key2' => 'val2' ,_,
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'key3' => 'val2'
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:}
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:P :-n [: 'key1' :] :X -> 'val1'
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:X Control statements
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:X Indentation is significant
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(?_?) :-y <_< 0 :X If
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:P "Negative"
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(!_?) :-y >_> 0 :X Else if
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:P "Positive"
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(!_!) :X Else
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:P "Zero"
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(@_@) :-o :X For loop
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:P :-i :X :-i is the implicit index variable
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:X Exceptions
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( -_-) :X Try
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:P "Trying operation"
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\(>o<)/ "Badness!" :X Throw exception
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( O_O) :X Catch
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:P "Caught an exception"
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(;-_-) :X Finally
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:P "Cleaning up"
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:X Functions are declared with a kissy-face,
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:X the name of the function, and then a round-smiley
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:X list of arguments
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:X The 'for-you' gesture returns from the function
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:X Add function
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( ')3 :-a (: :-x ,_, :-y :)
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(>")> :-x +_+ :-y
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:p "Sum of 5 and 6: "
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:P :-a (: 5 ,_, 6 :)
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:X Boolean literals are happy face and sad face
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:-) :X true
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:-( :X false
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:X Boolean operators
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:P :-) :& :-( :X and
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:P :-) :| :-( :X or
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:P :! :-( :X not
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:X Generate a random value between 0.0 and 1.0
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:X with the waffle operator
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:P (#)

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