diff options
Diffstat (limited to 'scripts/qapi.py')
| -rw-r--r-- | scripts/qapi.py | 44 |
1 files changed, 37 insertions, 7 deletions
diff --git a/scripts/qapi.py b/scripts/qapi.py index 05c38c5b00..868f08b593 100644 --- a/scripts/qapi.py +++ b/scripts/qapi.py @@ -348,11 +348,6 @@ def check_alternate(expr, expr_info): values = { 'MAX': '(automatic)' } types_seen = {} - if expr.get('base') is not None: - raise QAPIExprError(expr_info, - "Alternate '%s' must not have a base" - % name) - # Check every branch for (key, value) in members.items(): # Check for conflicts in the generated enum @@ -414,6 +409,26 @@ def check_exprs(schema): elif expr.has_key('event'): check_event(expr, info) +def check_keys(expr_elem, meta, required, optional=[]): + expr = expr_elem['expr'] + info = expr_elem['info'] + name = expr[meta] + if not isinstance(name, str): + raise QAPIExprError(info, + "'%s' key must have a string value" % meta) + required = required + [ meta ] + for (key, value) in expr.items(): + if not key in required and not key in optional: + raise QAPIExprError(info, + "Unknown key '%s' in %s '%s'" + % (key, meta, name)) + for key in required: + if not expr.has_key(key): + raise QAPIExprError(info, + "Key '%s' is missing from %s '%s'" + % (key, meta, name)) + + def parse_schema(input_file): # First pass: read entire file into memory try: @@ -425,15 +440,30 @@ def parse_schema(input_file): exprs = [] try: - # Next pass: learn the types. + # Next pass: learn the types and check for valid expression keys. At + # this point, top-level 'include' has already been flattened. for expr_elem in schema.exprs: expr = expr_elem['expr'] if expr.has_key('enum'): - add_enum(expr['enum'], expr.get('data')) + check_keys(expr_elem, 'enum', ['data']) + add_enum(expr['enum'], expr['data']) elif expr.has_key('union'): + check_keys(expr_elem, 'union', ['data'], + ['base', 'discriminator']) add_union(expr) + elif expr.has_key('alternate'): + check_keys(expr_elem, 'alternate', ['data']) elif expr.has_key('type'): + check_keys(expr_elem, 'type', ['data'], ['base']) add_struct(expr) + elif expr.has_key('command'): + check_keys(expr_elem, 'command', [], + ['data', 'returns', 'gen', 'success-response']) + elif expr.has_key('event'): + check_keys(expr_elem, 'event', [], ['data']) + else: + raise QAPIExprError(expr_elem['info'], + "Expression is missing metatype") exprs.append(expr) # Try again for hidden UnionKind enum |