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apibuild: Restrict long usage to existing functions and structs

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New APIs have to use long long instead of long.

Also make apibuild errors fatal.
This commit is contained in:
Matthias Bolte 2011-05-30 14:36:41 +02:00
parent 32abd5ee26
commit 43e8aeab43
2 changed files with 75 additions and 1 deletions
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2
docs/Makefile.am
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@ -181,7 +181,7 @@ $(python_generated_files): $(srcdir)/apibuild.py \
$(srcdir)/../include/libvirt/*.h \
$(srcdir)/../src/libvirt.c \
$(srcdir)/../src/util/virterror.c
-srcdir=$(srcdir) $(srcdir)/apibuild.py
$(AM_V_GEN)srcdir=$(srcdir) $(srcdir)/apibuild.py
check-local: all

74
docs/apibuild.py
View File

@ -1490,6 +1490,77 @@ class CParser:
self.signature = signature
return token
# this dict contains the functions that are allowed to use [unsigned]
# long for legacy reasons in their signature and return type. this list is
# fixed. new procedures and public APIs have to use [unsigned] long long
long_legacy_functions = \
{ "virGetVersion" : (False, ("libVer", "typeVer")),
"virConnectGetLibVersion" : (False, ("libVer")),
"virConnectGetVersion" : (False, ("hvVer")),
"virDomainGetMaxMemory" : (True, ()),
"virDomainMigrate" : (False, ("flags", "bandwidth")),
"virDomainMigrate2" : (False, ("flags", "bandwidth")),
"virDomainMigrateBegin3" : (False, ("flags", "bandwidth")),
"virDomainMigrateConfirm3" : (False, ("flags", "bandwidth")),
"virDomainMigrateDirect" : (False, ("flags", "bandwidth")),
"virDomainMigrateFinish" : (False, ("flags")),
"virDomainMigrateFinish2" : (False, ("flags")),
"virDomainMigrateFinish3" : (False, ("flags")),
"virDomainMigratePeer2Peer" : (False, ("flags", "bandwidth")),
"virDomainMigratePerform" : (False, ("flags", "bandwidth")),
"virDomainMigratePerform3" : (False, ("flags", "bandwidth")),
"virDomainMigratePrepare" : (False, ("flags", "bandwidth")),
"virDomainMigratePrepare2" : (False, ("flags", "bandwidth")),
"virDomainMigratePrepare3" : (False, ("flags", "bandwidth")),
"virDomainMigratePrepareTunnel" : (False, ("flags", "bandwidth")),
"virDomainMigratePrepareTunnel3" : (False, ("flags", "bandwidth")),
"virDomainMigrateToURI" : (False, ("flags", "bandwidth")),
"virDomainMigrateToURI2" : (False, ("flags", "bandwidth")),
"virDomainMigrateVersion1" : (False, ("flags", "bandwidth")),
"virDomainMigrateVersion2" : (False, ("flags", "bandwidth")),
"virDomainMigrateVersion3" : (False, ("flags", "bandwidth")),
"virDomainMigrateSetMaxSpeed" : (False, ("bandwidth")),
"virDomainSetMaxMemory" : (False, ("memory")),
"virDomainSetMemory" : (False, ("memory")),
"virDomainSetMemoryFlags" : (False, ("memory")) }
def checkLongLegacyFunction(self, name, return_type, signature):
if "long" in return_type and "long long" not in return_type:
try:
if not CParser.long_legacy_functions[name][0]:
raise Exception()
except:
self.error(("function '%s' is not allowed to return long, "
"use long long instead") % (name))
for param in signature:
if "long" in param[0] and "long long" not in param[0]:
try:
if param[1] not in CParser.long_legacy_functions[name][1]:
raise Exception()
except:
self.error(("function '%s' is not allowed to take long "
"parameter '%s', use long long instead")
% (name, param[1]))
# this dict contains the structs that are allowed to use [unsigned]
# long for legacy reasons. this list is fixed. new structs have to use
# [unsigned] long long
long_legacy_struct_fields = \
{ "_virDomainInfo" : ("maxMem", "memory"),
"_virNodeInfo" : ("memory") }
def checkLongLegacyStruct(self, name, fields):
for field in fields:
if "long" in field[0] and "long long" not in field[0]:
try:
if field[1] not in CParser.long_legacy_struct_fields[name]:
raise Exception()
except:
self.error(("struct '%s' is not allowed to contain long "
"field '%s', use long long instead") \
% (name, field[1]))
#
# Parse a global definition, be it a type, variable or function
# the extern "C" blocks are a bit nasty and require it to recurse.
@ -1572,6 +1643,7 @@ class CParser:
self.comment = None
token = self.token()
if type == "struct":
self.checkLongLegacyStruct(self.name, self.struct_fields)
self.index_add(self.name, self.filename,
not self.is_header, "struct", self.struct_fields)
else:
@ -1584,12 +1656,14 @@ class CParser:
if token == None:
return None
if token[0] == "sep" and token[1] == ";":
self.checkLongLegacyFunction(self.name, type, self.signature)
d = self.mergeFunctionComment(self.name,
((type, None), self.signature), 1)
self.index_add(self.name, self.filename, static,
"function", d)
token = self.token()
elif token[0] == "sep" and token[1] == "{":
self.checkLongLegacyFunction(self.name, type, self.signature)
d = self.mergeFunctionComment(self.name,
((type, None), self.signature), static)
self.index_add(self.name, self.filename, static,