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-rw-r--r--ext/ply/example/optcalc/calc.py20
1 files changed, 13 insertions, 7 deletions
diff --git a/ext/ply/example/optcalc/calc.py b/ext/ply/example/optcalc/calc.py
index 3a0ee6c9b..dd83351a0 100644
--- a/ext/ply/example/optcalc/calc.py
+++ b/ext/ply/example/optcalc/calc.py
@@ -8,6 +8,9 @@
import sys
sys.path.insert(0,"../..")
+if sys.version_info[0] >= 3:
+ raw_input = input
+
tokens = (
'NAME','NUMBER',
'PLUS','MINUS','TIMES','DIVIDE','EQUALS',
@@ -30,7 +33,7 @@ def t_NUMBER(t):
try:
t.value = int(t.value)
except ValueError:
- print "Integer value too large", t.value
+ print("Integer value too large %s" % t.value)
t.value = 0
return t
@@ -39,11 +42,11 @@ t_ignore = " \t"
def t_newline(t):
r'\n+'
t.lexer.lineno += t.value.count("\n")
-
+
def t_error(t):
- print "Illegal character '%s'" % t.value[0]
+ print("Illegal character '%s'" % t.value[0])
t.lexer.skip(1)
-
+
# Build the lexer
import ply.lex as lex
lex.lex(optimize=1)
@@ -65,7 +68,7 @@ def p_statement_assign(t):
def p_statement_expr(t):
'statement : expression'
- print t[1]
+ print(t[1])
def p_expression_binop(t):
'''expression : expression PLUS expression
@@ -95,11 +98,14 @@ def p_expression_name(t):
try:
t[0] = names[t[1]]
except LookupError:
- print "Undefined name '%s'" % t[1]
+ print("Undefined name '%s'" % t[1])
t[0] = 0
def p_error(t):
- print "Syntax error at '%s'" % t.value
+ if t:
+ print("Syntax error at '%s'" % t.value)
+ else:
+ print("Syntax error at EOF")
import ply.yacc as yacc
yacc.yacc(optimize=1)