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-rwxr-xr-xnandgame/assembler/lexer.py91
1 files changed, 0 insertions, 91 deletions
diff --git a/nandgame/assembler/lexer.py b/nandgame/assembler/lexer.py
deleted file mode 100755
index e55ab05..0000000
--- a/nandgame/assembler/lexer.py
+++ /dev/null
@@ -1,91 +0,0 @@
-#!/usr/bin/env python3
-
-import ply.lex as lex
-
-# List of token names. This is always required
-tokens = (
- "OP",
- "JUMP",
- "COMMA",
- "COLON",
- "SYMBOL",
- "NUMBER",
- "HEXNUMBER",
- "DOT",
- "REG",
- "NL",
-)
-
-# Regular expression rules for simple tokens
-t_COMMA = r","
-t_COLON = r":"
-t_DOT = r"\."
-
-
-def t_OP(t):
- r"and|or|xor|not|mov|add|inc|sub|dec|cmp|neg|hlt|nop"
- return t
-
-
-def t_REG(t):
- r"\b(AD?M?|DM?|M|_)\b"
- return t
-
-
-def t_JUMP(t):
- r"jmp|jlt|jgt|jle|jge|jeq|jne"
- return t
-
-
-def t_NUMBER(t):
- r"\#\d+"
- t.value = int(t.value[1:])
- return t
-
-
-def t_HEXNUMBER(t):
- r"\#0x[0-9a-fA-F]+"
- t.value = int(t.value[1:], 16)
- return t
-
-
-def t_SYMBOL(t):
- r"[a-z][A-Za-z0-9_]+"
- return t
-
-
-# Define a rule so we can track line numbers
-def t_NL(t):
- r"\n+"
- t.lexer.lineno += len(t.value)
- return t
-
-
-# A string containing ignored characters (spaces and tabs)
-t_ignore = " \t"
-# t_ignore_COMMENT = r';.*'
-
-
-def t_COMMENT(t):
- r";.*"
- pass
-
-
-# Error handling rule
-def t_error(t):
- print("!!! Illegal character '%s'" % t.value[0])
- t.lexer.skip(1)
-
-
-# EOF handling rule
-def t_eof(t):
- if not t.lexer.newline_added:
- t.lexer.input("\n")
- t.lexer.newline_added = True
- return t.lexer.token()
- return None
-
-
-# Build the lexer
-lexer = lex.lex()
-lexer.newline_added = False