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minilang.py
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minilang.py
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# -*- coding: utf-8 -*-
# Copyright (c) 2014-2015 Vincent Foley-Bourgon
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
import sys
from lexical_analyzer import lex
from parser import parse
from build_symbol_table import build_symtab
from typecheck import typecheck
from codegen import codegen
from tac_gen import tac_gen
def main():
# src = sys.stdin.read()
src = open('./demos/conditional.mini', 'r').read()
toks = lex(src) # source -> tokens
ast = parse(toks) # tokens -> AST
symtab = build_symtab(ast) # AST -> symbol table
typed_ast = typecheck(ast, symtab) # AST * symbol table -> Typed AST
print("\nTAC Equivalent\n==================================")
tac_gen(typed_ast, symtab) # Typed AST * symbol table -> TAC Code
# print("\nC Equivalent\n==================================")
# codegen(typed_ast, symtab) # Typed AST * symbol table -> C code
# print("\nExecuting Code\n==================================")
# codegen()
if __name__ == "__main__":
main()