marcelogdeandrade

from llvmlite import ir


class Number():
    def __init__(self, builder, module, value):
        self.builder = builder
        self.module = module
        self.value = value

    def eval(self):

marcelogdeandrade

from rply import ParserGenerator
from ast import Number, Sum, Sub, Print


class Parser():
    def __init__(self, module, builder, printf):
        self.pg = ParserGenerator(
            # A list of all token names accepted by the parser.
            ['NUMBER', 'PRINT', 'OPEN_PAREN', 'CLOSE_PAREN',
             'SEMI_COLON', 'SUM', 'SUB']

marcelogdeandrade

from lexer import Lexer
from parser import Parser
from codegen import CodeGen

fname = "input.toy"
with open(fname) as f:
    text_input = f.read()

lexer = Lexer().get_lexer()
tokens = lexer.lex(text_input)

marcelogdeandrade

from llvmlite import ir, binding


class CodeGen():
    def __init__(self):
        self.binding = binding
        self.binding.initialize()
        self.binding.initialize_native_target()
        self.binding.initialize_native_asmprinter()
        self._config_llvm()

marcelogdeandrade

from lexer import Lexer
from parser import Parser

text_input = """
print(4 + 4 - 2);
"""

lexer = Lexer().get_lexer()
tokens = lexer.lex(text_input)

marcelogdeandrade

from rply import ParserGenerator
from ast import Number, Sum, Sub, Print


class Parser():
    def __init__(self):
        self.pg = ParserGenerator(
            # A list of all token names accepted by the parser.
            ['NUMBER', 'PRINT', 'OPEN_PAREN', 'CLOSE_PAREN',
             'SEMI_COLON', 'SUM', 'SUB']

marcelogdeandrade

class Number():
    def __init__(self, value):
        self.value = value

    def eval(self):
        return int(self.value)


class BinaryOp():
    def __init__(self, left, right):

marcelogdeandrade

from lexer import Lexer

text_input = """
print(4 + 4 - 2);
"""

lexer = Lexer().get_lexer()
tokens = lexer.lex(text_input)

for token in tokens:

marcelogdeandrade

from rply import LexerGenerator


class Lexer():
    def __init__(self):
        self.lexer = LexerGenerator()

    def _add_tokens(self):
        # Print
        self.lexer.add('PRINT', r'print')