Index: tools/nixysa/third_party/ply-3.1/test/lex_optimize3.py |
=================================================================== |
--- tools/nixysa/third_party/ply-3.1/test/lex_optimize3.py (revision 0) |
+++ tools/nixysa/third_party/ply-3.1/test/lex_optimize3.py (revision 0) |
@@ -0,0 +1,52 @@ |
+# ----------------------------------------------------------------------------- |
+# lex_optimize3.py |
+# |
+# Writes table in a subdirectory structure. |
+# ----------------------------------------------------------------------------- |
+import sys |
+ |
+if ".." not in sys.path: sys.path.insert(0,"..") |
+import ply.lex as lex |
+ |
+tokens = ( |
+ 'NAME','NUMBER', |
+ 'PLUS','MINUS','TIMES','DIVIDE','EQUALS', |
+ 'LPAREN','RPAREN', |
+ ) |
+ |
+# Tokens |
+ |
+t_PLUS = r'\+' |
+t_MINUS = r'-' |
+t_TIMES = r'\*' |
+t_DIVIDE = r'/' |
+t_EQUALS = r'=' |
+t_LPAREN = r'\(' |
+t_RPAREN = r'\)' |
+t_NAME = r'[a-zA-Z_][a-zA-Z0-9_]*' |
+ |
+def t_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_ignore = " \t" |
+ |
+def t_newline(t): |
+ r'\n+' |
+ t.lineno += t.value.count("\n") |
+ |
+def t_error(t): |
+ print("Illegal character '%s'" % t.value[0]) |
+ t.lexer.skip(1) |
+ |
+# Build the lexer |
+lex.lex(optimize=1,lextab="lexdir.sub.calctab",outputdir="lexdir/sub") |
+lex.runmain(data="3+4") |
+ |
+ |
+ |
Property changes on: tools/nixysa/third_party/ply-3.1/test/lex_optimize3.py |
___________________________________________________________________ |
Added: svn:eol-style |
+ LF |