make a basic python module

1 files changed, 0 insertions, 171 deletions

diff --git a/labels.py b/labels.py
deleted file mode 100644
index d553bdc..0000000
--- a/labels.py
+++ /dev/null
@@ -1,171 +0,0 @@
-# -*- coding: utf-8 -*-
-"""
-Various label/line-related functions.
-"""
-
-from pointers import (
-    calculate_pointer,
-    calculate_bank,
-)
-
-def remove_quoted_text(line):
-    """get rid of content inside quotes
-    and also removes the quotes from the input string"""
-    while line.count("\"") % 2 == 0 and line.count("\"") > 0:
-        first = line.find("\"")
-        second = line.find("\"", first+1)
-        line = line[0:first] + line[second+1:]
-    while line.count("\'") % 2 == 0 and line.count("'") > 0:
-        first = line.find("\'")
-        second = line.find("\'", first+1)
-        line = line[0:first] + line[second+1:]
-    return line
-
-def line_has_comment_address(line, returnable={}, bank=None):
-    """checks that a given line has a comment
-    with a valid address, and returns the address in the object.
-    Note: bank is required if you have a 4-letter-or-less address,
-    because otherwise there is no way to figure out which bank
-    is curretly being scanned."""
-    #first set the bank/offset to nada
-    returnable["bank"] = None
-    returnable["offset"] = None
-    returnable["address"] = None
-    #only valid characters are 0-9a-fA-F
-    valid = [str(x) for x in range(10)] + \
-            [chr(x) for x in range(ord('a'), ord('f')+1)] + \
-            [chr(x) for x in range(ord('A'), ord('F')+1)]
-    #check if there is a comment in this line
-    if ";" not in line:
-        return False
-    #first throw away anything in quotes
-    if (line.count("\"") % 2 == 0 and line.count("\"")!=0) \
-       or (line.count("\'") % 2 == 0 and line.count("\'")!=0):
-        line = remove_quoted_text(line)
-    #check if there is still a comment in this line after quotes removed
-    if ";" not in line:
-        return False
-    #but even if there's a semicolon there must be later text
-    if line[-1] == ";":
-        return False
-    #and just a space doesn't count
-    if line[-2:] == "; ":
-        return False
-    #and multiple whitespace doesn't count either
-    line = line.rstrip(" ").lstrip(" ")
-    if line[-1] == ";":
-        return False
-    #there must be more content after the semicolon
-    if len(line)-1 == line.find(";"):
-        return False
-    #split it up into the main comment part
-    comment = line[line.find(";")+1:]
-    #don't want no leading whitespace
-    comment = comment.lstrip(" ").rstrip(" ")
-    #split up multi-token comments into single tokens
-    token = comment
-    if " " in comment:
-        #use the first token in the comment
-        token = comment.split(" ")[0]
-    if token in ["0x", "$", "x", ":"]:
-        return False
-    offset = None
-    #process a token with a A:B format
-    if ":" in token: #3:3F0A, $3:$3F0A, 0x3:0x3F0A, 3:3F0A
-        #split up the token
-        bank_piece = token.split(":")[0].lower()
-        offset_piece = token.split(":")[1].lower()
-        #filter out blanks/duds
-        if bank_piece in ["$", "0x", "x"] \
-        or offset_piece in ["$", "0x", "x"]:
-            return False
-        #they can't have both "$" and "x"
-        if "$" in bank_piece and "x" in bank_piece:
-            return False
-        if "$" in offset_piece and "x" in offset_piece:
-            return False
-        #process the bank piece
-        if "$" in bank_piece:
-            bank_piece = bank_piece.replace("$", "0x")
-        #check characters for validity?
-        for c in bank_piece.replace("x", ""):
-            if c not in valid:
-                return False
-        bank = int(bank_piece, 16)
-        #process the offset piece
-        if "$" in offset_piece:
-            offset_piece = offset_piece.replace("$", "0x")
-        #check characters for validity?
-        for c in offset_piece.replace("x", ""):
-            if c not in valid:
-                return False
-        if len(offset_piece) == 0:
-            return None
-        offset = int(offset_piece, 16)
-    #filter out blanks/duds
-    elif token in ["$", "0x", "x"]:
-        return False
-    #can't have both "$" and "x" in the number
-    elif "$" in token and "x" in token:
-        return False
-    elif "x" in token and not "0x" in token: #it should be 0x
-        return False
-    elif "$" in token and not "x" in token:
-        token = token.replace("$", "0x")
-        offset = int(token, 16)
-    elif "0x" in token and not "$" in token:
-        offset = int(token, 16)
-    else: #might just be "1" at this point
-        token = token.lower()
-        #check if there are bad characters
-        for c in token:
-            if c not in valid:
-                return False
-        offset = int(token, 16)
-    if offset == None and bank == None:
-        return False
-    if bank == None:
-        bank = calculate_bank(offset)
-    returnable["bank"] = bank
-    returnable["offset"] = offset
-    returnable["address"] = calculate_pointer(offset, bank=bank)
-    return True
-
-def get_address_from_line_comment(line, bank=None):
-    """
-    wrapper for line_has_comment_address
-    """
-    returnable = {}
-    result = line_has_comment_address(line, returnable=returnable, bank=bank)
-    if not result:
-        return False
-    return returnable["address"]
-
-def line_has_label(line):
-    """returns True if the line has an asm label"""
-    if not isinstance(line, str):
-        raise Exception, "can't check this type of object"
-    line = line.rstrip(" ").lstrip(" ")
-    line = remove_quoted_text(line)
-    if ";" in line:
-        line = line.split(";")[0]
-    if 0 <= len(line) <= 1:
-        return False
-    if ":" not in line:
-        return False
-    if line[0] == ";":
-        return False
-    if line[0] == "\"":
-        return False
-    if "::" in line:
-        return False
-    return True
-
-def get_label_from_line(line):
-    """returns the label from the line"""
-    #check if the line has a label
-    if not line_has_label(line):
-        return None
-    #split up the line
-    label = line.split(":")[0]
-    return label