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-rw-r--r--Parser/asdl.py37
1 files changed, 21 insertions, 16 deletions
diff --git a/Parser/asdl.py b/Parser/asdl.py
index 08dc848..b1afd0f 100644
--- a/Parser/asdl.py
+++ b/Parser/asdl.py
@@ -13,10 +13,15 @@ Changes for Python: Add support for module versions
#__metaclass__ = type
import os
+import sys
import traceback
import spark
+def output(string):
+ sys.stdout.write(string + "\n")
+
+
class Token:
# spark seems to dispatch in the parser based on a token's
# type attribute
@@ -45,7 +50,7 @@ class String(Token):
self.value = value
self.lineno = lineno
-class ASDLSyntaxError:
+class ASDLSyntaxError(Exception):
def __init__(self, lineno, token=None, msg=None):
self.lineno = lineno
@@ -128,7 +133,7 @@ class ASDLParser(spark.GenericParser, object):
"version ::= Id String"
if version.value != "version":
raise ASDLSyntaxError(version.lineno,
- msg="expected 'version', found %" % version)
+ msg="expected 'version', found %" % version)
return V
def p_definition_0(self, (definition,)):
@@ -306,9 +311,9 @@ class VisitorBase(object):
return
try:
meth(object, *args)
- except Exception, err:
- print "Error visiting", repr(object)
- print err
+ except Exception:
+ output("Error visiting", repr(object))
+ output(sys.exc_info()[1])
traceback.print_exc()
# XXX hack
if hasattr(self, 'file'):
@@ -353,8 +358,8 @@ class Check(VisitorBase):
if conflict is None:
self.cons[key] = name
else:
- print "Redefinition of constructor %s" % key
- print "Defined in %s and %s" % (conflict, name)
+ output("Redefinition of constructor %s" % key)
+ output("Defined in %s and %s" % (conflict, name))
self.errors += 1
for f in cons.fields:
self.visit(f, key)
@@ -376,7 +381,7 @@ def check(mod):
if t not in mod.types and not t in builtin_types:
v.errors += 1
uses = ", ".join(v.types[t])
- print "Undefined type %s, used in %s" % (t, uses)
+ output("Undefined type %s, used in %s" % (t, uses))
return not v.errors
@@ -388,10 +393,10 @@ def parse(file):
tokens = scanner.tokenize(buf)
try:
return parser.parse(tokens)
- except ASDLSyntaxError, err:
- print err
+ except ASDLSyntaxError:
+ output(sys.exc_info()[1])
lines = buf.split("\n")
- print lines[err.lineno - 1] # lines starts at 0, files at 1
+ output(lines[err.lineno - 1]) # lines starts at 0, files at 1
if __name__ == "__main__":
import glob
@@ -404,12 +409,12 @@ if __name__ == "__main__":
files = glob.glob(testdir + "/*.asdl")
for file in files:
- print file
+ output(file)
mod = parse(file)
- print "module", mod.name
- print len(mod.dfns), "definitions"
+ output("module", mod.name)
+ output(len(mod.dfns), "definitions")
if not check(mod):
- print "Check failed"
+ output("Check failed")
else:
for dfn in mod.dfns:
- print dfn.type
+ output(dfn.type)