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authorMarkus Armbruster <armbru@redhat.com>2013-07-27 17:41:56 +0200
committerAnthony Liguori <aliguori@us.ibm.com>2013-07-29 10:37:10 -0500
commit2caba36cc61ee3993334bc423f0852f8006fdfcf (patch)
tree0fd0967b7a7e93e52b468a2ff565993fde5fad22 /scripts
parentc7a3f25200c8692e969f21c7f2555630ec0d0d30 (diff)
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qapi.py: Decent syntax error reporting
Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-id: 1374939721-7876-5-git-send-email-armbru@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'scripts')
-rw-r--r--scripts/qapi.py29
1 files changed, 27 insertions, 2 deletions
diff --git a/scripts/qapi.py b/scripts/qapi.py
index 58e315b..342d16c 100644
--- a/scripts/qapi.py
+++ b/scripts/qapi.py
@@ -12,6 +12,7 @@
# See the COPYING.LIB file in the top-level directory.
from ordereddict import OrderedDict
+import sys
builtin_types = [
'str', 'int', 'number', 'bool',
@@ -34,6 +35,23 @@ builtin_type_qtypes = {
'uint64': 'QTYPE_QINT',
}
+class QAPISchemaError(Exception):
+ def __init__(self, schema, msg):
+ self.fp = schema.fp
+ self.msg = msg
+ self.line = self.col = 1
+ for ch in schema.src[0:schema.pos]:
+ if ch == '\n':
+ self.line += 1
+ self.col = 1
+ elif ch == '\t':
+ self.col = (self.col + 7) % 8 + 1
+ else:
+ self.col += 1
+
+ def __str__(self):
+ return "%s:%s:%s: %s" % (self.fp.name, self.line, self.col, self.msg)
+
class QAPISchema:
def __init__(self, fp):
@@ -52,6 +70,7 @@ class QAPISchema:
while True:
bol = self.cursor == 0 or self.src[self.cursor-1] == '\n'
self.tok = self.src[self.cursor]
+ self.pos = self.cursor
self.cursor += 1
self.val = None
@@ -66,7 +85,8 @@ class QAPISchema:
ch = self.src[self.cursor]
self.cursor += 1
if ch == '\n':
- raise Exception("Mismatched quotes")
+ raise QAPISchemaError(self,
+ 'Missing terminating "\'"')
if esc:
string += ch
esc = False
@@ -116,7 +136,12 @@ class QAPISchema:
return expr
def parse_schema(fp):
- schema = QAPISchema(fp)
+ try:
+ schema = QAPISchema(fp)
+ except QAPISchemaError as e:
+ print >>sys.stderr, e
+ exit(1)
+
exprs = []
for expr_eval in schema.exprs: