shython.py

from Tkinter import *

from Compiler.codegenerator import CodeGenerator
from Initializer.initialiser import Initializer
from Compiler.tokenizer import Tokenizer

from Compiler.semantic_analyser import SemanticAnalyser
from Initializer.screen import Screen


def check_semantic_analysis():
    print "Tokenised list ----> ", tokenised_list
    semantic_analyser = SemanticAnalyser(tokenised_list)

    err = semantic_analyser.check_for_errors(available_class_list,
                                          available_func_with_classes)

    if  err == "semantic":
        return "semantic"

    elif err == "syntax":
        return "syntax"

    else:
        return "no_error"


def use_screen():
    s = Screen()
    width, height = s.get_screen_dimen()
    s.make(master=master)


if __name__ == '__main__':
    master = Tk()

    file_name = sys.argv[1]

    initializer = Initializer()
    available_class_list = initializer.initialize_class_list()
    print "Available class list : ", available_class_list

    available_func_with_classes = initializer.initialize_dict_func()
    print "Avaialable func with classes : ", available_func_with_classes

    tokenised_list = Tokenizer().tokenise(file_name)
    # print tokenised_list

    err_msg = check_semantic_analysis()
    if err_msg == "no_error":
        print "No Syntax Error"
        print "No Semantic Error"
        codegenerator = CodeGenerator()
        if codegenerator.check_screen(tokenised_list):
            print "Screen initialised"
            use_screen()
            # print "*****"
            codegenerator.check_for_shapes()
            print "Code Generated"
            mainloop()
        else:
            print "Screen not initialized"

    else:
        if err_msg == "semantic":
            print "Semantic Error Raised"

        elif err_msg == "syntax":
            print "Syntax Error Raised"