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qapi: Prepare for catching more semantic parse errors

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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.

Backports commit 268a1c5eb10832c2e4476d3fe199ea547dabecb7 from qemu
This commit is contained in:
Eric Blake 2018-02-19 13:37:31 -05:00 committed by Lioncash
parent 3ee6a0c88a
commit 9e87ec4b54
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GPG Key ID: 4E3C3CC1031BA9C7
1 changed files with 20 additions and 17 deletions
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37
qemu/scripts/qapi.py
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@ -398,6 +398,7 @@ 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:
@ -406,24 +407,26 @@ 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