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| author | ptmcg <ptmcg@austin.rr.com> | 2020-04-07 15:25:08 -0500 |
|---|---|---|
| committer | ptmcg <ptmcg@austin.rr.com> | 2020-04-07 15:25:08 -0500 |
| commit | 72f2c5a67b4a26f584104b9ff63e1f272f54c5df (patch) | |
| tree | 029f9fbacee8f4b378d3a9759979c5d2c60826d9 /examples/simpleArith.py | |
| parent | 1881e43c10c34c0d24a6e3ecea7b4da710f9c790 (diff) | |
| download | pyparsing-git-72f2c5a67b4a26f584104b9ff63e1f272f54c5df.tar.gz | |
enable packrat parsing in all examples using infixNotation
Diffstat (limited to 'examples/simpleArith.py')
| -rw-r--r-- | examples/simpleArith.py | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/examples/simpleArith.py b/examples/simpleArith.py index af3f904..4539018 100644 --- a/examples/simpleArith.py +++ b/examples/simpleArith.py @@ -6,9 +6,12 @@ #
# Copyright 2006, by Paul McGuire
#
-
+import sys
from pyparsing import *
+ParserElement.enablePackrat()
+sys.setrecursionlimit(3000)
+
integer = Word(nums).setParseAction(lambda t: int(t[0]))
variable = Word(alphas, exact=1)
operand = integer | variable
@@ -64,6 +67,11 @@ test = [ "M*X + B",
"M*(X + B)",
"1+2*-3^4*5+-+-6",
+ "(a + b)",
+ "((a + b))",
+ "(((a + b)))",
+ "((((a + b))))",
+ "((((((((((((((a + b))))))))))))))",
]
for t in test:
print(t)
|