Pepper/pepper at master · smartfuse/Pepper · GitHub

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#! /usr/bin/env python3

import sys, os

# Converts custom syntax to python syntax. Takes a string as input.

def pepper_convert(code):
    includes = []
    def convert_line(subject):
        if subject.find("add players from") != -1:
            includes.append(subject.replace("add players from", "").strip())
            return ""

        if subject.find("player") != -1:
            subject = subject.replace("starter", "__init__")
            if subject.find("takes") == -1:
                subject = subject.replace("player", "def").replace(":", "") + "():"
            else:
                subject = subject.replace("player", "def").replace("takes", "")

        if subject.find("if") != -1 or subject.find("while") != -1:
            subject = subject.replace("greater than or equal to", ">=").replace("less than or equal to", "<=").replace("greater than", ">").replace("less than", "<").replace("not equal to", "!=").replace("not equal", "!=").replace("not equals", "!=").replace("equals", "==").replace("equal", "==")

        subject = subject.replace("new", "")
        subject = subject.replace("with", "")
        subject = subject.replace("is the same as", "is")
        subject = subject.replace("is not the same as", "is not")
        subject = subject.replace("equals", "=")
        subject = subject.replace("else if", "elif")
        subject = subject.replace("`quote", "\"")
        subject = subject.replace("bump", "return")
        return subject

    def process_line(subject):
        if subject.find("pass") != -1 and not(subject.find("\"") != -1 and subject.find("pass") > subject.find("\"")):
            end_index = subject.find("pass")
            subject = subject.replace("pass ", "", 1)
            arg_open_index = subject.find("(")
            if arg_open_index != -1:
                arg_closed_index = subject.find(")")
                args = subject[arg_open_index+1:arg_closed_index]
            else:
                args = ""
            function_name_index = subject.rfind(" to ")
            function_name_index = function_name_index + 3
            function_name = subject[function_name_index + 1:]
            if function_name.find(" of ") != -1:
                function = function_name[:function_name.find(" of ")]
                team = function_name[function_name.find(" of "):].replace(" of ", "")
                function_name = team + "." + function

            subject = subject[:end_index].replace("equals", "=") + function_name + "(" + args + ")"
            subject = subject.replace("`quote", "\\\"")
            return subject

        if subject.find("volley") != -1 and not (subject.find("\"") != -1 and subject.find("volley") > subject.find("\"")):
            subject = subject.replace("volley", "raise Exception(")
            subject = subject + ")"
            return subject

        if subject.find("team ") != -1 and not (subject.find("\"") != -1 and subject.find("team") > subject.find("\"")):
            subject = subject.replace("team", "class")
            if subject.find("improves off") != -1:
                subject = subject.replace("improves off", "(")
                subject = subject.replace(":", "") + "):"
            return subject

        clean = subject.split("\"")
        index = 0
        while index < len(clean):
            clean[index] = convert_line(clean[index])
            index += 2
        index = 1
        result = ""
        while index < len(clean):
            result = result + "\""+ clean[index]
            index += 1
        result = clean[0] + result
        return result

    instructions = code.split("\n")
    includes = []
    for i in range(len(instructions)):
        instructions[i] = process_line(instructions[i])
        instructions[i] = instructions[i] + "\n"

    for i in range(len(includes)):
        new_instructions = [pepper_convert(open(includes[i], "r").read())]
        new_instructions.extend(instructions)
        instructions = new_instructions

    return "".join(instructions)

args = sys.argv
keep_output = False
if len(args) == 3 and args[2] == "python":
    keep_output = True
print("Pepper Runtime Environment")
if len(args) == 1:
    print("\nError: no input file")
else:
    open(args[1].replace("pepper", "py"), "w").write(pepper_convert(open(args[1], "r").read()))
    print("\nOutput: " + args[1].replace("pepper", "py"))
    print("OK")
    print("Program output:")
    print()
    os.system("python3 " + args[1].replace("pepper", "py"))
    if not keep_output:
        os.system("rm " + args[1].replace("pepper", "py"))