diff options
Diffstat (limited to 'scripts/qapi.py')
| -rw-r--r-- | scripts/qapi.py | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/scripts/qapi.py b/scripts/qapi.py index 58e315bf3a..342d16c4e8 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: |