Example #1
0
def makevar(defvar):
    gt = Aardvark.gettype(defvar[1], Aardvark.line_num)
    Aardvark.variables[defvar[0]] = language.Variable(defvar[0], gt)
    for i in Aardvark.attributes[gt[0]]:
        Aardvark.variables[defvar[0] + "." + i[0]] = language.Variable(
            defvar[0] + "." + i[0],
            Aardvark.gettype(i[1](gt[1]), Aardvark.line_num))
Example #2
0
    def compile(self) -> str:
        to_return = ""

        value_in_loop = self.for_com.iterator
        value_in_loop.memory_cell = self.iterator_memory_cell

        counter = language.Variable("loop counter")
        counter.memory_cell = self.counter_memory_cell

        setup = MachineCode()

        # Assign with arraycells included is what causes For to break.

        # Assign correct start value to iterator.
        # FULL MANUAL

        setup.add_commands(set_value_to_register("H",
                                                 self.for_com.start_value))
        setup.add_commands(set_register_to("A", self.iterator_memory_cell))
        setup.add_command("STORE H")

        # Give counter required value.
        # FULL MANUAL
        setup.add_commands(set_value_to_register("H", self.for_com.end_value))
        setup.add_commands(set_value_to_register("G",
                                                 self.for_com.start_value))
        setup.add_command("SUB G H")
        setup.add_command("INC G")
        setup.add_command("INC G")
        setup.add_commands(set_register_to("A", self.counter_memory_cell))
        setup.add_command("STORE G")

        condition = MachineCode()

        condition.add_commands(decrement(counter))
        condition.add_commands(set_value_to_register("H", counter))
        #condition.add_command("PUT H")

        block = MachineCode()
        block.add_commands(compile_block(self.for_com.block))
        block.add_commands(decrement(value_in_loop))
        block.add_command("JUMP -" + str(len(block) + len(condition) + 1))

        # Jump out of the loop.
        condition.add_command("JZERO H +" + str(len(block) + 1))

        to_return += setup.get_code()
        to_return += condition.get_code()
        to_return += block.get_code()

        return to_return
Example #3
0
def p_variable_dec(p):
    'variable_dec           : pidentifier SEMICOLON'
    if IDENTIFIERS_MANAGER.identifier_exists(p[1]):
        print_error(p, "Redefinition of identifier " + p[1])

    IDENTIFIERS_MANAGER.add_identifier(language.Variable(p[1]))
Example #4
0
def parse_line(line, line_num, enable_return=False):
    global instuff, globalmaxmemory
    if memory_profiler.memory_usage()[0] > globalmaxmemory:
        error("MemoryError", line_num, line,
              "The program went above its maximum memory.")
    isfunction = re.fullmatch("[\t ]*([A-Za-z_][a-zA-Z0-9_]*[\t ]*\(.*?\)?)",
                              line)
    ismethod = re.fullmatch(
        "[\t ]*(.+)\.([A-Za-z_][a-zA-Z0-9_]*[\t ]*\(.*?\))", line)
    defvar = re.fullmatch(
        "[\t ]*([A-Za-z_][a-zA-Z0-9_]*)[\t ]*=[\t ]*(.+?)[\t ]*", line)
    isif = re.fullmatch("[\t ]*if [\t ]*(.+?)[\t ]*{[\t ]*", line)
    iswhile = re.fullmatch("[\t ]*while [\t ]*(.+?)[\t ]*{[\t ]*", line)
    isforin = re.fullmatch("[\t ]*for [\t ]*(.+) [\t ]*in [\t ]*(.+)[\t ]*{",
                           line)
    isinclude = re.fullmatch("[\t ]*#include [\t ]*(.+)", line)
    isfunctiondefinition = re.fullmatch(
        "[\t ]*funct [\t ]*.+\(.*\)[\t ]*{[\t ]*", line)
    ismaxmem = re.fullmatch("#max-memory[\t ]* (.+)", line)
    isreturn = re.fullmatch("[\t ]*return[\t ]* (.+?)[\t ]*", line)
    #print(instuff)
    if isforin or isfunctiondefinition or iswhile or isif and len(
            instuff) >= 1:
        instuff.append(["nothing", "nothing"])
    if re.fullmatch("[\t ]*}[\t ]*", line):
        what = instuff[-1]
        instuff = instuff[:-1]
        print(instuff)
        if what[0] != "nothing":
            what[0](what[1], line_num)
    for i in instuff:
        i[1] += line + "\n"
    if len(instuff) > 0:
        return
    if isfunction:
        #print("PARSE FUNCTION")
        Aardvark.process_function(isfunction.groups()[0], line_num)
    elif defvar:

        defvar = defvar.groups()
        #print("Defvar is:", defvar)
        gt = Aardvark.gettype(defvar[1], line_num)
        Aardvark.variables[defvar[0]] = language.Variable(defvar[0], gt)
        for i in Aardvark.attributes[gt[0]]:
            Aardvark.variables[defvar[0] + "." + i[0]] = language.Variable(
                defvar[0] + "." + i[0],
                Aardvark.gettype(i[1](gt[1]), line_num))
    elif ismethod:
        #print("method")
        ismethod = ismethod.groups()
        Aardvark.process_method(ismethod[0], ismethod[1], line_num)
    elif isif:
        instuff.append([ifblock, line + "\n"])
    elif iswhile:
        instuff.append([whileblock, line + "\n"])
    elif isforin:
        instuff.append([forinblock, line + "\n"])
    elif isinclude:
        #print("IT IS AN #include")
        inculde_statement(isinclude.groups()[0], line_num)
    elif isfunctiondefinition:
        print("defining function")
        instuff.append([newfunction, line + "\n"])
    elif ismaxmem:
        globalmaxmemory = float(ismaxmem.groups()[0])
    elif isreturn and enable_return:
        return Aardvark.gettype(isreturn.groups()[0], line_num)