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qapi: Prepare for catching more semantic parse errors 

This patch widens the scope of a try block (with the attending
reindentation required by Python) in preparation for a future
patch adding more instances of QAPIExprError inside the block.
It's easier to separate indentation from semantic changes, so
this patch has no real behavior change.

Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
This commit is contained in:
Eric Blake 2015-05-04 09:05:09 -06:00 committed by Markus Armbruster
parent 44bd1276a7
commit 268a1c5eb1
1 changed files with 20 additions and 17 deletions
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37
scripts/qapi.py
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@ -399,6 +399,7 @@ def check_exprs(schema):
check_event(expr, info)
def parse_schema(input_file):
# First pass: read entire file into memory
try:
schema = QAPISchema(open(input_file, "r"))
except (QAPISchemaError, QAPIExprError), e:
@ -407,24 +408,26 @@ def parse_schema(input_file):
exprs = []
for expr_elem in schema.exprs:
expr = expr_elem['expr']
if expr.has_key('enum'):
add_enum(expr['enum'], expr.get('data'))
elif expr.has_key('union'):
add_union(expr)
elif expr.has_key('type'):
add_struct(expr)
exprs.append(expr)
# Try again for hidden UnionKind enum
for expr_elem in schema.exprs:
expr = expr_elem['expr']
if expr.has_key('union'):
if not discriminator_find_enum_define(expr):
add_enum('%sKind' % expr['union'])
try:
# Next pass: learn the types.
for expr_elem in schema.exprs:
expr = expr_elem['expr']
if expr.has_key('enum'):
add_enum(expr['enum'], expr.get('data'))
elif expr.has_key('union'):
add_union(expr)
elif expr.has_key('type'):
add_struct(expr)
exprs.append(expr)
# Try again for hidden UnionKind enum
for expr_elem in schema.exprs:
expr = expr_elem['expr']
if expr.has_key('union'):
if not discriminator_find_enum_define(expr):
add_enum('%sKind' % expr['union'])
# Final pass - validate that exprs make sense
check_exprs(schema)
except QAPIExprError, e:
print >>sys.stderr, e