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authorMartin v. Löwis <martin@v.loewis.de>2006-02-26 23:40:20 (GMT)
committerMartin v. Löwis <martin@v.loewis.de>2006-02-26 23:40:20 (GMT)
commit8d0701daf11e9f93db0b91adad4fc9911752160f (patch)
treebd940242b31630e9b85fab54ceb4a9243198b3c0 /Parser/asdl_c.py
parent59090a73345095fd86b7ccebc54c1382e00abc88 (diff)
downloadcpython-8d0701daf11e9f93db0b91adad4fc9911752160f.zip
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Stop generating empty arrays.
Diffstat (limited to 'Parser/asdl_c.py')
-rwxr-xr-xParser/asdl_c.py34
1 files changed, 22 insertions, 12 deletions
diff --git a/Parser/asdl_c.py b/Parser/asdl_c.py
index acaa99b..a853f5e 100755
--- a/Parser/asdl_c.py
+++ b/Parser/asdl_c.py
@@ -353,10 +353,11 @@ class PyTypesDeclareVisitor(PickleVisitor):
def visitProduct(self, prod, name):
self.emit("PyTypeObject *%s_type;" % name, 0)
self.emit("static PyObject* ast2obj_%s(void*);" % name, 0)
- self.emit("char *%s_fields[]={" % name,0)
- for f in prod.fields:
- self.emit('"%s",' % f.name, 1)
- self.emit("};", 0)
+ if prod.fields:
+ self.emit("char *%s_fields[]={" % name,0)
+ for f in prod.fields:
+ self.emit('"%s",' % f.name, 1)
+ self.emit("};", 0)
def visitSum(self, sum, name):
self.emit("PyTypeObject *%s_type;" % name, 0)
@@ -374,10 +375,11 @@ class PyTypesDeclareVisitor(PickleVisitor):
def visitConstructor(self, cons, name):
self.emit("PyTypeObject *%s_type;" % cons.name, 0)
- self.emit("char *%s_fields[]={" % cons.name, 0)
- for t in cons.fields:
- self.emit('"%s",' % t.name, 1)
- self.emit("};",0)
+ if cons.fields:
+ self.emit("char *%s_fields[]={" % cons.name, 0)
+ for t in cons.fields:
+ self.emit('"%s",' % t.name, 1)
+ self.emit("};",0)
class PyTypesVisitor(PickleVisitor):
@@ -450,8 +452,12 @@ static PyObject* ast2obj_bool(bool b)
self.emit("}", 0)
def visitProduct(self, prod, name):
- self.emit('%s_type = make_type("%s", &PyBaseObject_Type, %s_fields, %d);' %
- (name, name, name, len(prod.fields)), 1)
+ if prod.fields:
+ fields = name.value+"_fields"
+ else:
+ fields = "NULL"
+ self.emit('%s_type = make_type("%s", &PyBaseObject_Type, %s, %d);' %
+ (name, name, fields, len(prod.fields)), 1)
def visitSum(self, sum, name):
self.emit('%s_type = make_type("%s", &PyBaseObject_Type, NULL, 0);' % (name, name), 1)
@@ -460,8 +466,12 @@ static PyObject* ast2obj_bool(bool b)
self.visitConstructor(t, name, simple)
def visitConstructor(self, cons, name, simple):
- self.emit('%s_type = make_type("%s", %s_type, %s_fields, %d);' %
- (cons.name, cons.name, name, cons.name, len(cons.fields)), 1)
+ if cons.fields:
+ fields = cons.name.value+"_fields"
+ else:
+ fields = "NULL"
+ self.emit('%s_type = make_type("%s", %s_type, %s, %d);' %
+ (cons.name, cons.name, name, fields, len(cons.fields)), 1)
if simple:
self.emit("%s_singleton = PyType_GenericNew(%s_type, NULL, NULL);" %
(cons.name, cons.name), 1)