diff options
author | Nathan Binkert <nate@binkert.org> | 2009-08-16 13:39:58 -0700 |
---|---|---|
committer | Nathan Binkert <nate@binkert.org> | 2009-08-16 13:39:58 -0700 |
commit | e1270f81bdc81f5a575b34c2d2c294bdde3e6f4f (patch) | |
tree | b54af3469a338609faf04e67603c5264e79d59a5 /ext/ply/test/lex_opt_alias.py | |
parent | bcaf93d182f43bf72d52104bb909324945904120 (diff) | |
download | gem5-e1270f81bdc81f5a575b34c2d2c294bdde3e6f4f.tar.xz |
ply: update PLY to version 3.2
Diffstat (limited to 'ext/ply/test/lex_opt_alias.py')
-rw-r--r-- | ext/ply/test/lex_opt_alias.py | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/ext/ply/test/lex_opt_alias.py b/ext/ply/test/lex_opt_alias.py new file mode 100644 index 000000000..5d5ed4c4e --- /dev/null +++ b/ext/ply/test/lex_opt_alias.py @@ -0,0 +1,54 @@ +# ----------------------------------------------------------------------------- +# lex_opt_alias.py +# +# Tests ability to match up functions with states, aliases, and +# lexing tables. +# ----------------------------------------------------------------------------- + +import sys +if ".." not in sys.path: sys.path.insert(0,"..") + +tokens = ( + 'NAME','NUMBER', + ) + +states = (('instdef','inclusive'),('spam','exclusive')) + +literals = ['=','+','-','*','/', '(',')'] + +# Tokens + +def t_instdef_spam_BITS(t): + r'[01-]+' + return t + +t_NAME = r'[a-zA-Z_][a-zA-Z0-9_]*' + +def NUMBER(t): + r'\d+' + try: + t.value = int(t.value) + except ValueError: + print("Integer value too large %s" % t.value) + t.value = 0 + return t + +t_ANY_NUMBER = NUMBER + +t_ignore = " \t" +t_spam_ignore = t_ignore + +def t_newline(t): + r'\n+' + t.lexer.lineno += t.value.count("\n") + +def t_error(t): + print("Illegal character '%s'" % t.value[0]) + t.lexer.skip(1) + +t_spam_error = t_error + +# Build the lexer +import ply.lex as lex +lex.lex(optimize=1,lextab="aliastab") +lex.runmain(data="3+4") |