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libvirt/scripts/apibuild.py

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#!/usr/bin/env python3
#
# This is the API builder, it parses the C sources and build the
# API formal description in XML.
#
# See Copyright for the status of this software.
#
# daniel@veillard.com
#
import argparse
import glob
import os
import re
import sys
quiet = True
warnings = 0
debug = False
debugsym = None
#
# C parser analysis code
#
included_files = {
"libvirt-common.h": "header with general libvirt API definitions",
"libvirt-domain.h": "header with general libvirt API definitions",
"libvirt-domain-checkpoint.h": "header with general libvirt API definitions",
"libvirt-domain-snapshot.h": "header with general libvirt API definitions",
"libvirt-event.h": "header with general libvirt API definitions",
"libvirt-host.h": "header with general libvirt API definitions",
"libvirt-interface.h": "header with general libvirt API definitions",
"libvirt-network.h": "header with general libvirt API definitions",
"libvirt-nodedev.h": "header with general libvirt API definitions",
"libvirt-nwfilter.h": "header with general libvirt API definitions",
"libvirt-secret.h": "header with general libvirt API definitions",
"libvirt-storage.h": "header with general libvirt API definitions",
"libvirt-stream.h": "header with general libvirt API definitions",
"virterror.h": "header with error specific API definitions",
"libvirt.c": "Main interfaces for the libvirt library",
"libvirt-domain.c": "Domain interfaces for the libvirt library",
"libvirt-domain-checkpoint.c": "Domain checkpoint interfaces for the libvirt library",
"libvirt-domain-snapshot.c": "Domain snapshot interfaces for the libvirt library",
"libvirt-host.c": "Host interfaces for the libvirt library",
"libvirt-interface.c": "Interface interfaces for the libvirt library",
"libvirt-network.c": "Network interfaces for the libvirt library",
"libvirt-nodedev.c": "Node device interfaces for the libvirt library",
"libvirt-nwfilter.c": "NWFilter interfaces for the libvirt library",
"libvirt-secret.c": "Secret interfaces for the libvirt library",
"libvirt-storage.c": "Storage interfaces for the libvirt library",
"libvirt-stream.c": "Stream interfaces for the libvirt library",
"virerror.c": "implements error handling and reporting code for libvirt",
"virevent.c": "event loop for monitoring file handles",
"virtypedparam-public.c": "virTypedParameters APIs",
}
qemu_included_files = {
"libvirt-qemu.h": "header with QEMU specific API definitions",
"libvirt-qemu.c": "Implementations for the QEMU specific APIs",
}
lxc_included_files = {
"libvirt-lxc.h": "header with LXC specific API definitions",
"libvirt-lxc.c": "Implementations for the LXC specific APIs",
}
admin_included_files = {
"libvirt-admin.h": "header with admin specific API definitions",
"admin/libvirt-admin.c": "Implementations for the admin specific APIs",
}
ignored_words = {
"G_GNUC_UNUSED": (0, "macro keyword"),
"G_GNUC_NULL_TERMINATED": (0, "macro keyword"),
"VIR_DEPRECATED": (0, "macro keyword"),
"VIR_EXPORT_VAR": (0, "macro keyword"),
"WINAPI": (0, "Windows keyword"),
"__declspec": (3, "Windows keyword"),
"__stdcall": (0, "Windows keyword"),
}
ignored_functions = {
"virConnectSupportsFeature": "private function for remote access",
"virDomainMigrateCheckNotLocal": "private function for migration",
"virDomainMigrateFinish": "private function for migration",
"virDomainMigrateFinish2": "private function for migration",
"virDomainMigratePerform": "private function for migration",
"virDomainMigratePrepare": "private function for migration",
"virDomainMigratePrepare2": "private function for migration",
"virDomainMigratePrepareTunnel": "private function for tunnelled migration",
"virDomainMigrateBegin3": "private function for migration",
"virDomainMigrateFinish3": "private function for migration",
"virDomainMigratePerform3": "private function for migration",
"virDomainMigratePrepare3": "private function for migration",
"virDomainMigrateConfirm3": "private function for migration",
"virDomainMigratePrepareTunnel3": "private function for tunnelled migration",
"DllMain": "specific function for Win32",
"virTypedParamsValidate": "internal function in virtypedparam.c",
"virTypedParameterValidateSet": "internal function in virtypedparam.c",
"virTypedParameterAssign": "internal function in virtypedparam.c",
"virTypedParameterAssignFromStr": "internal function in virtypedparam.c",
"virTypedParameterToString": "internal function in virtypedparam.c",
"virTypedParamsCheck": "internal function in virtypedparam.c",
"virTypedParamsCopy": "internal function in virtypedparam.c",
"virDomainMigrateBegin3Params": "private function for migration",
"virDomainMigrateFinish3Params": "private function for migration",
"virDomainMigratePerform3Params": "private function for migration",
"virDomainMigratePrepare3Params": "private function for migration",
"virDomainMigrateConfirm3Params": "private function for migration",
"virDomainMigratePrepareTunnel3Params": "private function for tunnelled migration",
"virErrorCopyNew": "private",
}
# The version in the .sym file might different from
# the real version that the function was introduced.
# This dict's value is the correct version, as it should
# be in the docstrings.
ignored_function_versions = {
'virDomainSetBlockThreshold': '3.2.0',
'virAdmServerUpdateTlsFiles': '6.2.0',
'virDomainBlockPeek': '0.4.3',
'virDomainMemoryPeek': '0.4.3',
}
ignored_macros = {
"_virSchedParameter": "backward compatibility macro for virTypedParameter",
"_virBlkioParameter": "backward compatibility macro for virTypedParameter",
"_virMemoryParameter": "backward compatibility macro for virTypedParameter",
}
# macros that should be completely skipped
hidden_macros = {
"VIR_DEPRECATED": "internal macro to mark deprecated apis",
"VIR_EXPORT_VAR": "internal macro to mark exported vars",
}
def escape(raw):
raw = raw.replace('&', '&')
raw = raw.replace('<', '&lt;')
raw = raw.replace('>', '&gt;')
raw = raw.replace("'", '&apos;')
raw = raw.replace('"', '&quot;')
return raw
def uniq(items):
return sorted(set(items))
class identifier:
def __init__(self, name, header=None, module=None, type=None, lineno=0,
info=None, extra=None, conditionals=None):
self.name = name
self.header = header
self.module = module
self.type = type
self.info = info
self.extra = extra
self.lineno = lineno
self.static = 0
if conditionals is None or len(conditionals) == 0:
self.conditionals = None
else:
self.conditionals = conditionals[:]
if self.name == debugsym and not quiet:
print("=> define %s : %s" % (debugsym, (module, type, info,
extra, conditionals)))
def __repr__(self):
r = "%s %s:" % (self.type, self.name)
if self.static:
r = r + " static"
if self.module is not None:
r = r + " from %s" % self.module
if self.info is not None:
r = r + " " + repr(self.info)
if self.extra is not None:
r = r + " " + repr(self.extra)
if self.conditionals is not None:
r = r + " " + repr(self.conditionals)
return r
def set_header(self, header):
self.header = header
def set_module(self, module):
self.module = module
def set_type(self, type):
self.type = type
def set_info(self, info):
self.info = info
def set_extra(self, extra):
self.extra = extra
def set_lineno(self, lineno):
self.lineno = lineno
def set_static(self, static):
self.static = static
def set_conditionals(self, conditionals):
if conditionals is None or len(conditionals) == 0:
self.conditionals = None
else:
self.conditionals = conditionals[:]
def get_name(self):
return self.name
def get_header(self):
return self.module
def get_module(self):
return self.module
def get_type(self):
return self.type
def get_info(self):
return self.info
def get_lineno(self):
return self.lineno
def get_extra(self):
return self.extra
def get_static(self):
return self.static
def get_conditionals(self):
return self.conditionals
def update(self, header, module, type=None, info=None, extra=None,
conditionals=None):
if self.name == debugsym and not quiet:
print("=> update %s : %s" % (debugsym, (module, type, info,
extra, conditionals)))
if header is not None and self.header is None:
self.set_header(module)
if module is not None and (self.module is None or self.header == self.module):
self.set_module(module)
if type is not None and self.type is None:
self.set_type(type)
if info is not None:
self.set_info(info)
if extra is not None:
self.set_extra(extra)
if conditionals is not None:
self.set_conditionals(conditionals)
class index:
def __init__(self, name="noname"):
self.name = name
self.identifiers = {}
self.functions = {}
self.variables = {}
self.includes = {}
self.structs = {}
self.unions = {}
self.enums = {}
self.typedefs = {}
self.macros = {}
self.references = {}
self.info = {}
def warning(self, msg):
global warnings
warnings = warnings + 1
print(msg)
def add_ref(self, name, header, module, static, type, lineno, info=None, extra=None, conditionals=None):
if name[0:2] == '__':
return None
d = None
try:
d = self.identifiers[name]
d.update(header, module, type, lineno, info, extra, conditionals)
except Exception:
d = identifier(name, header, module, type, lineno, info, extra,
conditionals)
self.identifiers[name] = d
if d is not None and static == 1:
d.set_static(1)
if d is not None and name is not None and type is not None:
self.references[name] = d
if name == debugsym and not quiet:
print("New ref: %s" % (d))
return d
def add(self, name, header, module, static, type, lineno, info=None,
extra=None, conditionals=None):
if name[0:2] == '__':
return None
d = None
try:
d = self.identifiers[name]
d.update(header, module, type, lineno, info, extra, conditionals)
except Exception:
d = identifier(name, header, module, type, lineno, info, extra,
conditionals)
self.identifiers[name] = d
if d is not None and static == 1:
d.set_static(1)
if d is not None and name is not None and type is not None:
type_map = {
"function": self.functions,
"functype": self.functions,
"variable": self.variables,
"include": self.includes,
"struct": self.structs,
"union": self.unions,
"enum": self.enums,
"typedef": self.typedefs,
"macro": self.macros
}
if type in type_map:
type_map[type][name] = d
else:
self.warning("Unable to register type %s" % type)
if name == debugsym and not quiet:
print("New symbol: %s" % (d))
return d
def merge(self, idx):
for id in idx.functions.keys():
#
# macro might be used to override functions or variables
# definitions
#
if id in self.macros:
del self.macros[id]
if id in self.functions:
self.warning("function %s from %s redeclared in %s" % (
id, self.functions[id].header, idx.functions[id].header))
else:
self.functions[id] = idx.functions[id]
self.identifiers[id] = idx.functions[id]
for id in idx.variables.keys():
#
# macro might be used to override functions or variables
# definitions
#
if id in self.macros:
del self.macros[id]
if id in self.variables:
self.warning("variable %s from %s redeclared in %s" % (
id, self.variables[id].header, idx.variables[id].header))
else:
self.variables[id] = idx.variables[id]
self.identifiers[id] = idx.variables[id]
for id in idx.structs.keys():
if id in self.structs:
self.warning("struct %s from %s redeclared in %s" % (
id, self.structs[id].header, idx.structs[id].header))
else:
self.structs[id] = idx.structs[id]
self.identifiers[id] = idx.structs[id]
for id in idx.unions.keys():
if id in self.unions:
print("union %s from %s redeclared in %s" % (
id, self.unions[id].header, idx.unions[id].header))
else:
self.unions[id] = idx.unions[id]
self.identifiers[id] = idx.unions[id]
for id in idx.typedefs.keys():
if id in self.typedefs:
self.warning("typedef %s from %s redeclared in %s" % (
id, self.typedefs[id].header, idx.typedefs[id].header))
else:
self.typedefs[id] = idx.typedefs[id]
self.identifiers[id] = idx.typedefs[id]
for id in idx.macros.keys():
#
# macro might be used to override functions or variables
# definitions
#
if id in self.variables:
continue
if id in self.functions:
continue
if id in self.enums:
continue
if id in self.macros:
self.warning("macro %s from %s redeclared in %s" % (
id, self.macros[id].header, idx.macros[id].header))
else:
self.macros[id] = idx.macros[id]
self.identifiers[id] = idx.macros[id]
for id in idx.enums.keys():
if id in self.enums:
self.warning("enum %s from %s redeclared in %s" % (
id, self.enums[id].header, idx.enums[id].header))
else:
self.enums[id] = idx.enums[id]
self.identifiers[id] = idx.enums[id]
def merge_public(self, idx):
for id in idx.functions.keys():
if id in self.functions:
up = idx.functions[id]
# check that function condition agrees with header
if up.conditionals != self.functions[id].conditionals:
self.warning("Header condition differs from Function"
" for %s:" % id)
self.warning(" H: %s" % self.functions[id].conditionals)
self.warning(" C: %s" % up.conditionals)
self.functions[id].update(None, up.module, up.type, up.info,
up.extra)
# else:
# print("Function %s from %s is not declared in headers" % (
# id, idx.functions[id].module))
# TODO: do the same for variables.
def analyze_dict(self, type, dict):
count = 0
public = 0
for name in dict.keys():
id = dict[name]
count = count + 1
if id.static == 0:
public = public + 1
if count != public:
print(" %d %s , %d public" % (count, type, public))
elif count != 0:
print(" %d public %s" % (count, type))
def analyze(self):
if not quiet:
self.analyze_dict("functions", self.functions)
self.analyze_dict("variables", self.variables)
self.analyze_dict("structs", self.structs)
self.analyze_dict("unions", self.unions)
self.analyze_dict("typedefs", self.typedefs)
self.analyze_dict("macros", self.macros)
class CLexer:
"""A lexer for the C language, tokenize the input by reading and
analyzing it line by line"""
def __init__(self, input):
self.input = input
self.tokens = []
self.line = ""
self.lineno = 0
def getline(self):
line = ''
while line == '':
line = self.input.readline()
if not line:
return None
self.lineno += 1
line = line.strip()
if line == '':
continue
while line[-1] == '\\':
line = line[:-1]
n = self.input.readline().strip()
self.lineno += 1
if not n:
break
line += n
return line
def getlineno(self):
return self.lineno
def push(self, token):
self.tokens.insert(0, token)
def debug(self):
print("Last token: ", self.last)
print("Token queue: ", self.tokens)
print("Line %d end: " % self.lineno, self.line)
def token(self):
while self.tokens == []:
if self.line == "":
line = self.getline()
else:
line = self.line
self.line = ""
if line is None:
return None
if line[0] == '#':
self.tokens = [('preproc', word) for word in line.split()]
# We might have whitespace between the '#' and preproc
# macro name, so instead of having a single token element
# of '#define' we might end up with '#' and 'define'. This
# merges them back together
if self.tokens[0][1] == "#":
self.tokens[0] = ('preproc', "#" + self.tokens[1][1])
del self.tokens[1]
if self.tokens[0][1] == "#define" and "(" in self.tokens[1][1]:
newtokens = [self.tokens[0]]
endArg = self.tokens[1][1].find(")")
if endArg != -1:
extra = self.tokens[1][1][endArg + 1:]
name = self.tokens[1][1][0:endArg + 1]
newtokens.append(('preproc', name))
if extra != "":
newtokens.append(('preproc', extra))
else:
name = self.tokens[1][1]
for token in self.tokens[2:]:
if name is not None:
name = name + token[1]
if ")" in token[1]:
newtokens.append(('preproc', name))
name = None
else:
newtokens.append(token)
self.tokens = newtokens
break
nline = len(line)
if line[0] == '"' or line[0] == "'":
quote = line[0]
i = 1
while quote not in line[i:]:
i = len(line)
nextline = self.getline()
if nextline is None:
return None
line += nextline
tok, self.line = line[1:].split(quote, 1)
self.last = ('string', tok)
return self.last
if line.startswith("/*"):
line = line[2:]
found = 0
tok = ""
while found == 0:
i = 0
nline = len(line)
while i < nline:
if line[i] == '*' and i + 1 < nline and line[i + 1] == '/':
self.line = line[i + 2:]
line = line[:i - 1]
nline = i
found = 1
break
i = i + 1
if tok != "":
tok = tok + "\n"
tok = tok + line
if found == 0:
line = self.getline()
if line is None:
return None
self.last = ('comment', tok)
return self.last
if line.startswith("//"):
line = line[2:]
self.last = ('comment', line)
return self.last
i = 0
while i < nline:
if line[i] == '/' and i + 1 < nline and line[i + 1] == '/':
self.line = line[i:]
line = line[:i]
break
if line[i] == '/' and i + 1 < nline and line[i + 1] == '*':
self.line = line[i:]
line = line[:i]
break
if line[i] == '"' or line[i] == "'":
self.line = line[i:]
line = line[:i]
break
i = i + 1
nline = len(line)
i = 0
while i < nline:
if line[i] == ' ' or line[i] == '\t':
i = i + 1
continue
if line[i].isalnum():
s = i
while i < nline:
if line[i] not in " \t(){}:;,+-*/%&!|[]=><":
i = i + 1
else:
break
self.tokens.append(('name', line[s:i]))
continue
if line[i] in "(){}:;,[]":
self.tokens.append(('sep', line[i]))
i = i + 1
continue
if line[i] in "+-*><=/%&!|.":
if line[i] == '.' and i + 2 < nline and \
line[i + 1] == '.' and line[i + 2] == '.':
self.tokens.append(('name', '...'))
i = i + 3
continue
j = i
while (j + 1) < nline and line[j + 1] in "+-*><=/%&!|":
j = j + 1
self.tokens.append(('op', line[i:j + 1]))
i = j + 1
continue
s = i
while i < nline:
if line[i] not in " \t(){}:;,+-*/%&!|[]=><":
i = i + 1
else:
break
self.tokens.append(('name', line[s:i]))
tok = self.tokens[0]
self.tokens = self.tokens[1:]
self.last = tok
return tok
class CParser:
"""The C module parser"""
def __init__(self, filename, idx=None):
self.filename = filename
if len(filename) > 2 and filename[-2:] == '.h':
self.is_header = 1
else:
self.is_header = 0
self.input = open(filename)
self.lexer = CLexer(self.input)
if idx is None:
self.index = index()
else:
self.index = idx
self.top_comment = ""
self.last_comment = ""
self.comment = None
self.collect_ref = 0
self.no_error = 0
self.conditionals = []
self.defines = []
def collect_references(self):
self.collect_ref = 1
def stop_error(self):
self.no_error = 1
def start_error(self):
self.no_error = 0
def lineno(self):
return self.lexer.getlineno()
def index_add(self, name, module, static, type, info=None, extra=None):
if self.is_header == 1:
self.index.add(name, module, module, static, type, self.lineno(),
info, extra, self.conditionals)
else:
self.index.add(name, None, module, static, type, self.lineno(),
info, extra, self.conditionals)
def index_add_ref(self, name, module, static, type, info=None,
extra=None):
if self.is_header == 1:
self.index.add_ref(name, module, module, static, type,
self.lineno(), info, extra, self.conditionals)
else:
self.index.add_ref(name, None, module, static, type, self.lineno(),
info, extra, self.conditionals)
def warning(self, msg):
global warnings
warnings = warnings + 1
if self.no_error:
return
print(msg)
def error(self, msg, token=-1):
if self.no_error:
return
print("Parse Error: " + msg)
if token != -1:
print("Got token ", token)
self.lexer.debug()
sys.exit(1)
def debug(self, msg, token=-1):
print("Debug: " + msg)
if token != -1:
print("Got token ", token)
self.lexer.debug()
def parseTopComment(self, comment):
res = {}
lines = comment.split("\n")
item = None
for line in lines:
line = line.lstrip().lstrip('*').lstrip()
m = re.match(r'([_.a-zA-Z0-9]+):(.*)', line)
if m:
item = m.group(1)
line = m.group(2).lstrip()
# don't include the Copyright in the last 'item'
if line.startswith("Copyright (C)"):
# truncate any whitespace originating from newlines
# before the Copyright
if item:
res[item] = res[item].rstrip()
break
if item:
if item in res:
res[item] = res[item] + " " + line
else:
res[item] = line
self.index.info = res
def strip_lead_star(self, line):
if line.lstrip().startswith('*'):
line = line.replace('*', '', 1)
return line
def cleanup_code_comment(self, comment: str, type_name="") -> str:
if not isinstance(comment, str) or comment == "":
return ""
lines = comment.splitlines(True)
# If type_name is provided, check and remove header of
# the comment block.
if type_name != "" and f"{type_name}:" in lines[0]:
del lines[0]
com = ""
for line in lines:
com = com + self.strip_lead_star(line)
return com.strip()
def cleanupComment(self):
self.comment = self.cleanup_code_comment(self.comment)
def parseComment(self, token):
com = token[1]
if self.top_comment == "":
self.top_comment = com
if self.comment is None or com[0] == '*':
self.comment = com
else:
self.comment = self.comment + com
token = self.lexer.token()
if self.comment.find("DOC_DISABLE") != -1:
self.stop_error()
if self.comment.find("DOC_ENABLE") != -1:
self.start_error()
return token
#
# Parse a comment block associate to a typedef
#
def parseTypeComment(self, name, quiet=False):
if name[0:2] == '__':
quiet = True
if self.comment is None:
if not quiet:
self.warning("Missing comment for type %s" % name)
return None
if not self.comment.startswith('*'):
if not quiet:
self.warning("Missing * in type comment for %s" % name)
return None
lines = self.comment.split('\n')
# Remove lines that contain only single asterisk
lines[:] = [line for line in lines if line.strip() != '*']
if lines[0] != "* %s:" % name:
if not quiet:
self.warning("Misformatted type comment for %s" % name)
self.warning(" Expecting '* %s:' got '%s'" % (name, lines[0]))
return None
del lines[0]
# Concatenate all remaining lines by striping leading asterisks
desc = " ".join([line.lstrip("*").strip() for line in lines]).strip()
if not (quiet or desc):
self.warning("Type comment for %s lack description of the macro"
% name)
return desc
#
# Parse a comment block associate to a macro
#
def parseMacroComment(self, name, quiet=0):
global ignored_macros
if name[0:2] == '__':
quiet = 1
if name in ignored_macros:
quiet = 1
args = []
desc = ""
if self.comment is None:
if not quiet:
self.warning("Missing comment for macro %s" % name)
return args, desc
if self.comment[0] != '*':
if not quiet:
self.warning("Missing * in macro comment for %s" % name)
return args, desc
lines = self.comment.split('\n')
if lines[0] == '*':
del lines[0]
if lines[0] != "* %s:" % name:
if not quiet:
self.warning("Misformatted macro comment for %s" % name)
self.warning(" Expecting '* %s:' got '%s'" % (name, lines[0]))
return args, desc
del lines[0]
while lines[0] == '*':
del lines[0]
while len(lines) > 0 and lines[0][0:3] == '* @':
prefix = lines[0][3:]
try:
arg, desc = prefix.split(':', 1)
desc = desc.strip()
arg = arg.strip()
except Exception:
if not quiet:
self.warning("Misformatted macro comment for %s" % name)
self.warning(" problem with '%s'" % lines[0])
del lines[0]
continue
del lines[0]
line = lines[0].strip()
while len(line) > 2 and line[0:3] != '* @':
while line[0] == '*':
line = line[1:]
desc = desc + ' ' + line.strip()
del lines[0]
if len(lines) == 0:
break
line = lines[0]
args.append((arg, desc))
while len(lines) > 0 and lines[0] == '*':
del lines[0]
desc = ""
while len(lines) > 0:
line = lines[0]
while len(line) > 0 and line[0] == '*':
line = line[1:]
line = line.strip()
desc = desc + " " + line
del lines[0]
desc = desc.strip()
if quiet == 0:
if desc == "":
self.warning("Macro comment for %s lack description of the macro" % name)
return args, desc
#
# Parse a comment block and merge the information found in the
# parameters descriptions, finally returns a block as complete
# as possible
#
def mergeFunctionComment(self, name, description, quiet=0):
global ignored_functions
if name == 'main':
quiet = 1
if name[0:2] == '__':
quiet = 1
if name in ignored_functions:
quiet = 1
ret, args = description
desc = ""
retdesc = ""
if self.comment is None:
if not quiet:
self.warning("Missing comment for function %s" % name)
return (ret[0], retdesc), args, desc
if self.comment[0] != '*':
if not quiet:
self.warning("Missing * in function comment for %s" % name)
return (ret[0], retdesc), args, desc
lines = self.comment.split('\n')
if lines[0] == '*':
del lines[0]
if lines[0] != "* %s:" % name:
if not quiet:
self.warning("Misformatted function comment for %s" % name)
self.warning(" Expecting '* %s:' got '%s'" % (name, lines[0]))
return (ret[0], retdesc), args, desc
del lines[0]
while lines[0] == '*':
del lines[0]
nbargs = len(args)
while len(lines) > 0 and lines[0][0:3] == '* @':
prefix = lines[0][3:]
try:
arg, desc = prefix.split(':', 1)
desc = desc.strip()
arg = arg.strip()
except Exception:
if not quiet:
self.warning("Misformatted function comment for %s" % name)
self.warning(" problem with '%s'" % lines[0])
del lines[0]
continue
del lines[0]
line = lines[0].strip()
while len(line) > 2 and line[0:3] != '* @':
while line[0] == '*':
line = line[1:]
desc = desc + ' ' + line.strip()
del lines[0]
if len(lines) == 0:
break
line = lines[0]
i = 0
while i < nbargs:
if args[i][1] == arg:
args[i] = (args[i][0], arg, desc)
break
i = i + 1
if i >= nbargs:
if not quiet:
self.warning("Unable to find arg %s from function comment for %s" %
(arg, name))
while len(lines) > 0 and lines[0] == '*':
del lines[0]
desc = None
while len(lines) > 0:
line = lines[0]
i = 0
# Remove all leading '*', followed by at most one ' ' character
# since we need to preserve correct indentation of code examples
while i < len(line) and line[i] == '*':
i = i + 1
if i > 0:
if i < len(line) and line[i] == ' ':
i = i + 1
line = line[i:]
if len(line) >= 6 and line[0:7] == "Returns":
try:
line = line.split(' ', 1)[1]
except Exception:
line = ""
retdesc = line.strip()
del lines[0]
while len(lines) > 0:
line = lines[0]
while len(line) > 0 and line[0] == '*':
line = line[1:]
line = line.strip()
retdesc = retdesc + " " + line
del lines[0]
else:
if desc is not None:
desc = desc + "\n" + line
else:
desc = line
del lines[0]
if desc is None:
desc = ""
retdesc = retdesc.strip()
desc = desc.strip()
if quiet == 0:
#
# report missing comments
#
i = 0
while i < nbargs:
if args[i][2] is None and args[i][0] != "void" and args[i][1] is not None:
self.warning("Function comment for %s lacks description of arg %s" % (name, args[i][1]))
i = i + 1
if retdesc == "" and ret[0] != "void":
self.warning("Function comment for %s lacks description of return value" % name)
if desc == "":
self.warning("Function comment for %s lacks description of the function" % name)
return (ret[0], retdesc), args, desc
def parsePreproc(self, token):
if debug:
print("=> preproc ", token, self.lexer.tokens)
name = token[1]
if name == "#include":
token = self.lexer.token()
if token is None:
return None
if token[0] == 'preproc':
self.index_add(token[1], self.filename, not self.is_header,
"include")
return self.lexer.token()
return token
if name == "#define":
token = self.lexer.token()
if token is None:
return None
if token[0] == 'preproc':
# TODO macros with arguments
name = token[1]
lst = []
token = self.lexer.token()
while (token is not None and token[0] == 'preproc' and
token[1][0] != '#'):
lst.append(token[1])
token = self.lexer.token()
paramStart = name.find("(")
params = None
if paramStart != -1:
params = name[paramStart + 1:-1]
name = name[0:paramStart]
# skip hidden macros
if name in hidden_macros:
return token
if name[-2:] == "_H" or name[-8:] == "_H_ALLOW":
return token
strValue = None
rawValue = None
if len(lst) == 1 and lst[0][0] == '"' and lst[0][-1] == '"':
strValue = lst[0][1:-1]
else:
rawValue = " ".join(lst)
(args, desc) = self.parseMacroComment(name, not self.is_header)
self.index_add(name, self.filename, not self.is_header,
"macro", (args, desc, params, strValue, rawValue))
return token
#
# Processing of conditionals modified by Bill 1/1/05
#
# We process conditionals (i.e. tokens from #ifdef, #ifndef,
# #if, #else and #endif) for headers and mainline code,
# store the ones from the header in libxml2-api.xml, and later
# (in the routine merge_public) verify that the two (header and
# mainline code) agree.
#
# There is a small problem with processing the headers. Some of
# the variables are not concerned with enabling / disabling of
# library functions (e.g. '__XML_PARSER_H__'), and we don't want
# them to be included in libxml2-api.xml, or involved in
# the check between the header and the mainline code. To
# accomplish this, we ignore any conditional which doesn't include
# the string 'ENABLED'
#
if name == "#ifdef":
apstr = self.lexer.tokens[0][1]
try:
self.defines.append(apstr)
if apstr.find('ENABLED') != -1:
self.conditionals.append("defined(%s)" % apstr)
except Exception:
pass
elif name == "#ifndef":
apstr = self.lexer.tokens[0][1]
try:
self.defines.append(apstr)
if apstr.find('ENABLED') != -1:
self.conditionals.append("!defined(%s)" % apstr)
except Exception:
pass
elif name == "#if":
apstr = ""
for tok in self.lexer.tokens:
if apstr != "":
apstr = apstr + " "
apstr = apstr + tok[1]
try:
self.defines.append(apstr)
if apstr.find('ENABLED') != -1:
self.conditionals.append(apstr)
except Exception:
pass
elif name == "#else":
if (self.conditionals != [] and
self.defines[-1].find('ENABLED') != -1):
self.conditionals[-1] = "!(%s)" % self.conditionals[-1]
elif name == "#endif":
if (self.conditionals != [] and
self.defines[-1].find('ENABLED') != -1):
self.conditionals = self.conditionals[:-1]
self.defines = self.defines[:-1]
token = self.lexer.token()
while (token is not None and token[0] == 'preproc' and
token[1][0] != '#'):
token = self.lexer.token()
return token
#
# token acquisition on top of the lexer, it handle internally
# preprocessor and comments since they are logically not part of
# the program structure.
#
def push(self, tok):
self.lexer.push(tok)
def token(self):
global ignored_words
token = self.lexer.token()
while token is not None:
if token[0] == 'comment':
token = self.parseComment(token)
continue
elif token[0] == 'preproc':
token = self.parsePreproc(token)
continue
elif token[0] == "name" and token[1] == "__const":
token = ("name", "const")
return token
elif token[0] == "name" and token[1] == "__attribute":
token = self.lexer.token()
while token is not None and token[1] != ";":
token = self.lexer.token()
return token
elif token[0] == "name" and token[1] in ignored_words:
(n, info) = ignored_words[token[1]]
i = 0
while i < n:
token = self.lexer.token()
i = i + 1
token = self.lexer.token()
continue
else:
if debug:
print("=> ", token)
return token
return None
#
# Parse a typedef, it records the type and its name.
#
def parseTypedef(self, token):
if token is None:
return None
# With typedef enum types, we can have comments parsed before the
# enum themselves. The parsing of enum values does clear the
# self.comment variable. So we store it here for later.
typedef_comment = self.comment
token = self.parseType(token)
if token is None:
self.error("parsing typedef")
return None
base_type = self.type
type = base_type
# self.debug("end typedef type", token)
while token is not None:
if token[0] == "name":
name = token[1]
signature = self.signature
if signature is not None:
type = type.split('(')[0]
d = self.mergeFunctionComment(name,
((type, None), signature), 1)
self.index_add(name, self.filename, not self.is_header,
"functype", d)
else:
if base_type == "struct":
self.index_add(name, self.filename, not self.is_header,
"struct", type)
base_type = "struct " + name
else:
self.comment = typedef_comment
info = self.parseTypeComment(name, 1)
self.index_add(name, self.filename, not self.is_header,
"typedef", type, info)
token = self.token()
else:
self.error("parsing typedef: expecting a name")
return token
# self.debug("end typedef", token)
if token is not None and token[0] == 'sep' and token[1] == ',':
type = base_type
token = self.token()
while token is not None and token[0] == "op":
type = type + token[1]
token = self.token()
elif token is not None and token[0] == 'sep' and token[1] == ';':
break
elif token is not None and token[0] == 'name':
type = base_type
continue
else:
self.error("parsing typedef: expecting ';'", token)
return token
token = self.token()
return token
#
# Parse a C code block, used for functions it parse till
# the balancing } included
#
def parseBlock(self, token):
while token is not None:
if token[0] == "sep" and token[1] == "{":
token = self.token()
token = self.parseBlock(token)
elif token[0] == "sep" and token[1] == "}":
self.comment = None
token = self.token()
return token
else:
if self.collect_ref == 1:
oldtok = token
token = self.token()
if oldtok[0] == "name" and oldtok[1][0:3] == "vir":
if token[0] == "sep" and token[1] == "(":
self.index_add_ref(oldtok[1], self.filename,
0, "function")
token = self.token()
elif token[0] == "name":
token = self.token()
if token[0] == "sep" and (token[1] == ";" or
token[1] == "," or token[1] == "="):
self.index_add_ref(oldtok[1], self.filename,
0, "type")
elif oldtok[0] == "name" and oldtok[1][0:4] == "XEN_":
self.index_add_ref(oldtok[1], self.filename,
0, "typedef")
elif oldtok[0] == "name" and oldtok[1][0:7] == "LIBXEN_":
self.index_add_ref(oldtok[1], self.filename,
0, "typedef")
else:
token = self.token()
return token
#
# Parse a C struct definition till the balancing }
#
def parseStruct(self, token):
fields = []
# self.debug("start parseStruct", token)
while token is not None:
if token[0] == "sep" and token[1] == "{":
token = self.token()
token = self.parseTypeBlock(token)
elif token[0] == "sep" and token[1] == "}":
self.struct_fields = fields
# self.debug("end parseStruct", token)
# print(fields)
token = self.token()
return token
else:
base_type = self.type
# self.debug("before parseType", token)
token = self.parseType(token)
# self.debug("after parseType", token)
if token is not None and token[0] == "name":
fname = token[1]
token = self.token()
if token[0] == "sep" and token[1] == ";":
self.comment = None
token = self.token()
self.cleanupComment()
if self.type == "union":
fields.append((self.type, fname, self.comment,
self.union_fields))
self.union_fields = []
else:
fields.append((self.type, fname, self.comment))
self.comment = None
else:
self.error("parseStruct: expecting ;", token)
elif token is not None and token[0] == "sep" and token[1] == "{":
token = self.token()
token = self.parseTypeBlock(token)
if token is not None and token[0] == "name":
token = self.token()
if token is not None and token[0] == "sep" and token[1] == ";":
token = self.token()
else:
self.error("parseStruct: expecting ;", token)
else:
self.error("parseStruct: name", token)
token = self.token()
self.type = base_type
self.struct_fields = fields
# self.debug("end parseStruct", token)
# print(fields)
return token
#
# Parse a C union definition till the balancing }
#
def parseUnion(self, token):
fields = []
# self.debug("start parseUnion", token)
while token is not None:
if token[0] == "sep" and token[1] == "{":
token = self.token()
token = self.parseTypeBlock(token)
elif token[0] == "sep" and token[1] == "}":
self.union_fields = fields
# self.debug("end parseUnion", token)
# print(fields)
token = self.token()
return token
else:
base_type = self.type
# self.debug("before parseType", token)
token = self.parseType(token)
# self.debug("after parseType", token)
if token is not None and token[0] == "name":
fname = token[1]
token = self.token()
if token[0] == "sep" and token[1] == ";":
self.comment = None
token = self.token()
self.cleanupComment()
fields.append((self.type, fname, self.comment))
self.comment = None
else:
self.error("parseUnion: expecting ;", token)
elif token is not None and token[0] == "sep" and token[1] == "{":
token = self.token()
token = self.parseTypeBlock(token)
if token is not None and token[0] == "name":
token = self.token()
if token is not None and token[0] == "sep" and token[1] == ";":
token = self.token()
else:
self.error("parseUnion: expecting ;", token)
else:
self.error("parseUnion: name", token)
token = self.token()
self.type = base_type
self.union_fields = fields
# self.debug("end parseUnion", token)
# print(fields)
return token
#
# Parse a C enum block, parse till the balancing }
#
def parseEnumBlock(self, token):
self.enums = []
name = None
comment = ""
value = "-1"
commentsBeforeVal = self.comment is not None
while token is not None:
if token[0] == "sep" and token[1] == "{":
token = self.token()
token = self.parseTypeBlock(token)
elif token[0] == "sep" and token[1] == "}":
if name is not None:
self.cleanupComment()
if self.comment is not None:
comment = self.comment
self.comment = None
self.enums.append((name, value, comment))
token = self.token()
return token
elif token[0] == "name":
self.cleanupComment()
if name is not None:
if self.comment is not None:
comment = self.comment.strip()
self.comment = None
self.enums.append((name, value, comment))
name = token[1]
comment = ""
token = self.token()
if token[0] == "op" and token[1][0] == "=":
value = ""
if len(token[1]) > 1:
value = token[1][1:]
token = self.token()
while token[0] != "sep" or (token[1] != ',' and
token[1] != '}'):
# We might be dealing with '1U << 12' here
value = value + re.sub(r"^(\d+)U$", "\\1", token[1])
token = self.token()
else:
try:
value = "%d" % (int(value) + 1)
except Exception:
self.warning("Failed to compute value of enum %s" % name)
value = ""
if token[0] == "sep" and token[1] == ",":
if commentsBeforeVal:
self.cleanupComment()
self.enums.append((name, value, self.comment))
name = comment = self.comment = None
token = self.token()
else:
token = self.token()
return token
def parseVirEnumDecl(self, token):
if token[0] != "name":
self.error("parsing VIR_ENUM_DECL: expecting name", token)
token = self.token()
if token[0] != "sep":
self.error("parsing VIR_ENUM_DECL: expecting ')'", token)
if token[1] != ')':
self.error("parsing VIR_ENUM_DECL: expecting ')'", token)
token = self.token()
if token[0] == "sep" and token[1] == ';':
token = self.token()
return token
def parseVirEnumImpl(self, token):
# First the type name
if token[0] != "name":
self.error("parsing VIR_ENUM_IMPL: expecting name", token)
token = self.token()
if token[0] != "sep":
self.error("parsing VIR_ENUM_IMPL: expecting ','", token)
if token[1] != ',':
self.error("parsing VIR_ENUM_IMPL: expecting ','", token)
token = self.token()
# Now the sentinel name
if token[0] != "name":
self.error("parsing VIR_ENUM_IMPL: expecting name", token)
token = self.token()
if token[0] != "sep":
self.error("parsing VIR_ENUM_IMPL: expecting ','", token)
if token[1] != ',':
self.error("parsing VIR_ENUM_IMPL: expecting ','", token)
token = self.token()
# Now a list of strings (optional comments)
while token is not None:
isGettext = False
# First a string, optionally with N_(...)
if token[0] == 'name':
if token[1] != 'N_':
self.error("parsing VIR_ENUM_IMPL: expecting 'N_'", token)
token = self.token()
if token[0] != "sep" or token[1] != '(':
self.error("parsing VIR_ENUM_IMPL: expecting '('", token)
token = self.token()
isGettext = True
if token[0] != "string":
self.error("parsing VIR_ENUM_IMPL: expecting a string", token)
token = self.token()
elif token[0] == "string":
token = self.token()
else:
self.error("parsing VIR_ENUM_IMPL: expecting a string", token)
# Then a separator
if token[0] == "sep":
if isGettext and token[1] == ')':
token = self.token()
if token[1] == ',':
token = self.token()
if token[1] == ')':
token = self.token()
break
# Then an optional comment
if token[0] == "comment":
token = self.token()
if token[0] == "sep" and token[1] == ';':
token = self.token()
return token
def parseVirLogInit(self, token):
if token[0] != "string":
self.error("parsing VIR_LOG_INIT: expecting string", token)
token = self.token()
if token[0] != "sep":
self.error("parsing VIR_LOG_INIT: expecting ')'", token)
if token[1] != ')':
self.error("parsing VIR_LOG_INIT: expecting ')'", token)
token = self.token()
if token[0] == "sep" and token[1] == ';':
token = self.token()
return token
#
# Parse a C definition block, used for structs or unions it parse till
# the balancing }
#
def parseTypeBlock(self, token):
while token is not None:
if token[0] == "sep" and token[1] == "{":
token = self.token()
token = self.parseTypeBlock(token)
elif token[0] == "sep" and token[1] == "}":
token = self.token()
return token
else:
token = self.token()
return token
#
# Parse a type: the fact that the type name can either occur after
# the definition or within the definition makes it a little harder
# if inside, the name token is pushed back before returning
#
def parseType(self, token):
self.type = ""
self.struct_fields = []
self.union_fields = []
self.signature = None
if token is None:
return token
while (token[0] == "name" and
token[1] in ["const", "unsigned", "signed"]):
if self.type == "":
self.type = token[1]
else:
self.type = self.type + " " + token[1]
token = self.token()
if token[0] == "name" and token[1] == "long":
if self.type == "":
self.type = token[1]
else:
self.type = self.type + " " + token[1]
# some read ahead for long long
oldtmp = token
token = self.token()
if token[0] == "name" and token[1] == "long":
self.type = self.type + " " + token[1]
else:
self.push(token)
token = oldtmp
oldtmp = token
token = self.token()
if token[0] == "name" and token[1] == "int":
self.type = self.type + " " + token[1]
else:
self.push(token)
token = oldtmp
elif token[0] == "name" and token[1] == "short":
if self.type == "":
self.type = token[1]
else:
self.type = self.type + " " + token[1]
elif token[0] == "name" and token[1] == "struct":
if self.type == "":
self.type = token[1]
else:
self.type = self.type + " " + token[1]
token = self.token()
nametok = None
if token[0] == "name":
nametok = token
token = self.token()
if token is not None and token[0] == "sep" and token[1] == "{":
token = self.token()
token = self.parseStruct(token)
elif token is not None and token[0] == "op" and token[1] == "*":
self.type = self.type + " " + nametok[1] + " *"
token = self.token()
while token is not None and token[0] == "op" and token[1] == "*":
self.type = self.type + " *"
token = self.token()
if token[0] == "name":
nametok = token
token = self.token()
else:
self.error("struct : expecting name", token)
return token
elif token is not None and token[0] == "name" and nametok is not None:
self.type = self.type + " " + nametok[1]
return token
if nametok is not None:
self.lexer.push(token)
token = nametok
return token
elif token[0] == "name" and token[1] == "union":
if self.type == "":
self.type = token[1]
else:
self.type = self.type + " " + token[1]
token = self.token()
nametok = None
if token[0] == "name":
nametok = token
token = self.token()
if token is not None and token[0] == "sep" and token[1] == "{":
token = self.token()
token = self.parseUnion(token)
elif token is not None and token[0] == "name" and nametok is not None:
self.type = self.type + " " + nametok[1]
return token
if nametok is not None:
self.lexer.push(token)
token = nametok
return token
elif token[0] == "name" and token[1] == "enum":
if self.type == "":
self.type = token[1]
else:
self.type = self.type + " " + token[1]
self.enums = []
token = self.token()
if token is not None and token[0] == "sep" and token[1] == "{":
# drop comments before the enum block
self.comment = None
token = self.token()
token = self.parseEnumBlock(token)
else:
self.error("parsing enum: expecting '{'", token)
enum_type = None
if token is not None and token[0] != "name":
self.lexer.push(token)
token = ("name", "enum")
else:
enum_type = token[1]
for enum in self.enums:
self.index_add(enum[0], self.filename,
not self.is_header, "enum",
(enum[1], enum[2], enum_type))
return token
elif token[0] == "name" and token[1] == "VIR_ENUM_DECL":
token = self.token()
if token is not None and token[0] == "sep" and token[1] == "(":
token = self.token()
token = self.parseVirEnumDecl(token)
else:
self.error("parsing VIR_ENUM_DECL: expecting '('", token)
if token is not None:
self.lexer.push(token)
token = ("name", "virenumdecl")
return token
elif token[0] == "name" and token[1] == "VIR_ENUM_IMPL":
token = self.token()
if token is not None and token[0] == "sep" and token[1] == "(":
token = self.token()
token = self.parseVirEnumImpl(token)
else:
self.error("parsing VIR_ENUM_IMPL: expecting '('", token)
if token is not None:
self.lexer.push(token)
token = ("name", "virenumimpl")
return token
elif token[0] == "name" and token[1] == "VIR_LOG_INIT":
token = self.token()
if token is not None and token[0] == "sep" and token[1] == "(":
token = self.token()
token = self.parseVirLogInit(token)
else:
self.error("parsing VIR_LOG_INIT: expecting '('", token)
if token is not None:
self.lexer.push(token)
token = ("name", "virloginit")
return token
elif token[0] == "name" and token[1] == "G_STATIC_ASSERT":
# skip whole line
while token is not None and not (token[0] == "sep" and
token[1] == ";"):
token = self.token()
return self.token()
elif token[0] == "name":
if self.type == "":
self.type = token[1]
else:
self.type = self.type + " " + token[1]
else:
self.error("parsing type %s: expecting a name" % (self.type),
token)
return token
token = self.token()
while token is not None and (token[0] == "op" or
token[0] == "name" and
token[1] == "const"):
self.type = self.type + " " + token[1]
token = self.token()
#
# if there is a parenthesis here, this means a function type
#
if token is not None and token[0] == "sep" and token[1] == '(':
self.type = self.type + token[1]
token = self.token()
while token is not None and token[0] == "op" and token[1] == '*':
self.type = self.type + token[1]
token = self.token()
if token is None or token[0] != "name":
self.error("parsing function type, name expected", token)
return token
self.type = self.type + token[1]
nametok = token
token = self.token()
if token is not None and token[0] == "sep" and token[1] == ')':
self.type = self.type + token[1]
token = self.token()
if token is not None and token[0] == "sep" and token[1] == '(':
token = self.token()
type = self.type
token = self.parseSignature(token)
self.type = type
else:
self.error("parsing function type, '(' expected", token)
return token
else:
self.error("parsing function type, ')' expected", token)
return token
self.lexer.push(token)
token = nametok
return token
#
# do some lookahead for arrays
#
if token is not None and token[0] == "name":
nametok = token
token = self.token()
if token is not None and token[0] == "sep" and token[1] == '[':
self.type = self.type + " " + nametok[1]
while token is not None and token[0] == "sep" and token[1] == '[':
self.type = self.type + token[1]
token = self.token()
while (token is not None and token[0] != 'sep' and
token[1] != ']' and token[1] != ';'):
self.type = self.type + token[1]
token = self.token()
if token is not None and token[0] == 'sep' and token[1] == ']':
self.type = self.type + token[1]
token = self.token()
else:
self.error("parsing array type, ']' expected", token)
return token
elif token is not None and token[0] == "sep" and token[1] == ':':
# remove :12 in case it's a limited int size
token = self.token()
token = self.token()
self.lexer.push(token)
token = nametok
return token
#
# Parse a signature: '(' has been parsed and we scan the type definition
# up to the ')' included
def parseSignature(self, token):
signature = []
if token is not None and token[0] == "sep" and token[1] == ')':
self.signature = []
token = self.token()
return token
while token is not None:
token = self.parseType(token)
if token is not None and token[0] == "name":
signature.append((self.type, token[1], None))
token = self.token()
elif token is not None and token[0] == "sep" and token[1] == ',':
token = self.token()
continue
elif token is not None and token[0] == "sep" and token[1] == ')':
# only the type was provided
if self.type == "...":
signature.append((self.type, "...", None))
else:
signature.append((self.type, None, None))
if token is not None and token[0] == "sep":
if token[1] == ',':
token = self.token()
continue
elif token[1] == ')':
token = self.token()
break
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")),
"virDomainBlockCommit": (False, ("bandwidth")),
"virDomainBlockJobSetSpeed": (False, ("bandwidth")),
"virDomainBlockPull": (False, ("bandwidth")),
"virDomainBlockRebase": (False, ("bandwidth")),
"virDomainMigrateGetMaxSpeed": (False, ("bandwidth"))
}
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 Exception:
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 Exception:
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"),
"_virDomainBlockJobInfo": ("bandwidth")
}
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 Exception:
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.
#
def parseGlobal(self, token):
static = 0
if token[1] == 'extern':
token = self.token()
if token is None:
return token
if token[0] == 'string':
if token[1] == 'C':
token = self.token()
if token is None:
return token
if token[0] == 'sep' and token[1] == "{":
token = self.token()
# print('Entering extern "C line ', self.lineno())
while token is not None and (token[0] != 'sep' or
token[1] != "}"):
if token[0] == 'name':
token = self.parseGlobal(token)
else:
self.error(("token %s %s unexpected at the "
"top level") %
(token[0], token[1]))
token = self.parseGlobal(token)
# print('Exiting extern "C" line', self.lineno())
token = self.token()
return token
else:
return token
elif token[1] == 'static':
static = 1
token = self.token()
if token is None or token[0] != 'name':
return token
variable_comment = None
if token[1] == 'typedef':
token = self.token()
return self.parseTypedef(token)
else:
# Store block of comment that might be from variable as
# the code uses self.comment a lot and it would lose it.
variable_comment = self.comment
token = self.parseType(token)
type_orig = self.type
if token is None or token[0] != "name":
return token
type = type_orig
self.name = token[1]
token = self.token()
while token is not None and (token[0] == "sep" or token[0] == "op"):
if token[0] == "sep":
if token[1] == "[":
type = type + token[1]
token = self.token()
while token is not None and (token[0] != "sep" or
token[1] != ";"):
type = type + token[1]
token = self.token()
if token is not None and token[0] == "op" and token[1] == "=":
#
# Skip the initialization of the variable
#
token = self.token()
if token[0] == 'sep' and token[1] == '{':
token = self.token()
token = self.parseBlock(token)
else:
self.comment = None
while token is not None and (token[0] != "sep" or
token[1] not in ',;'):
token = self.token()
self.comment = None
if token is None or token[0] != "sep" or (token[1] != ';' and
token[1] != ','):
self.error("missing ';' or ',' after value")
if token is not None and token[0] == "sep":
if token[1] == ";":
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:
# Just to use the cleanupComment function.
variable_comment = self.cleanup_code_comment(variable_comment, self.name)
info = (type, variable_comment)
self.index_add(self.name, self.filename,
not self.is_header, "variable", info)
break
elif token[1] == "(":
token = self.token()
token = self.parseSignature(token)
if token is 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,
"function", d)
token = self.token()
token = self.parseBlock(token)
elif token[1] == ',':
self.comment = None
self.index_add(self.name, self.filename, static,
"variable", type)
type = type_orig
token = self.token()
while token is not None and token[0] == "sep":
type = type + token[1]
token = self.token()
if token is not None and token[0] == "name":
self.name = token[1]
token = self.token()
else:
break
return token
def parse(self):
if not quiet:
print("Parsing %s" % (self.filename))
token = self.token()
while token is not None:
if token[0] == 'name':
token = self.parseGlobal(token)
else:
self.error("token %s %s unexpected at the top level" % (
token[0], token[1]))
token = self.parseGlobal(token)
return
self.parseTopComment(self.top_comment)
return self.index
class docBuilder:
"""A documentation builder"""
def __init__(self, name, syms, path='.', directories=['.'], includes=[], acls=None):
self.name = name
self.syms = syms
self.path = path
self.acls = acls
self.directories = directories
if name == "libvirt":
self.includes = includes + list(included_files.keys())
elif name == "libvirt-qemu":
self.includes = includes + list(qemu_included_files.keys())
elif name == "libvirt-lxc":
self.includes = includes + list(lxc_included_files.keys())
elif name == "libvirt-admin":
self.includes = includes + list(admin_included_files.keys())
self.modules = {}
self.headers = {}
self.versions = {}
self.idx = index()
self.xref = {}
self.index = {}
self.basename = name
self.errors = 0
def warning(self, msg):
global warnings
warnings = warnings + 1
print(msg)
def error(self, msg):
self.errors += 1
print("Error:", msg, file=sys.stderr)
def indexString(self, id, str):
if str is None:
return
str = str.replace("'", ' ')
str = str.replace('"', ' ')
str = str.replace("/", ' ')
str = str.replace('*', ' ')
str = str.replace("[", ' ')
str = str.replace("]", ' ')
str = str.replace("(", ' ')
str = str.replace(")", ' ')
str = str.replace("<", ' ')
str = str.replace('>', ' ')
str = str.replace("&", ' ')
str = str.replace('#', ' ')
str = str.replace(",", ' ')
str = str.replace('.', ' ')
str = str.replace(';', ' ')
tokens = str.split()
for token in tokens:
c = token[0]
if not re.match(r"[a-zA-Z]", c):
pass
elif len(token) < 3:
pass
else:
lower = token.lower()
# TODO: generalize this a bit
if lower == 'and' or lower == 'the':
pass
elif token in self.xref:
self.xref[token].append(id)
else:
self.xref[token] = [id]
def analyze(self):
if not quiet:
print("Project %s : %d headers, %d modules" % (self.name, len(self.headers.keys()), len(self.modules.keys())))
self.idx.analyze()
def scanHeaders(self):
for header in self.headers.keys():
parser = CParser(header)
idx = parser.parse()
self.headers[header] = idx
self.idx.merge(idx)
def scanModules(self):
for module in self.modules.keys():
parser = CParser(module)
idx = parser.parse()
# idx.analyze()
self.modules[module] = idx
self.idx.merge_public(idx)
def scanVersions(self):
prefix = self.name.upper().replace("-", "_") + "_"
version = None
prevversion = None
with open(self.syms, "r") as syms:
while True:
line = syms.readline()
if not line:
break
line = line.strip()
if line.startswith("#"):
continue
if line == "":
continue
if line.startswith(prefix) and line.endswith(" {"):
version = line[len(prefix):-2]
elif line == "global:":
continue
elif line == "local:":
continue
elif line.startswith("}"):
if prevversion is None:
if line != "};":
raise Exception("Unexpected closing version")
else:
if line != ("} %s%s;" % (prefix, prevversion)):
raise Exception("Unexpected end of version '%s': %s'" % (line, "} " + prefix + version))
prevversion = version
version = None
elif line.endswith(";") and version is not None:
func = line[:-1]
self.versions[func] = version
else:
raise Exception("Unexpected line in syms file: %s" % line)
def scan(self):
for directory in self.directories:
files = glob.glob(directory + "/*.c")
for file in files:
skip = 1
for incl in self.includes:
if file.find(incl) != -1:
skip = 0
break
if skip == 0:
self.modules[file] = None
files = glob.glob(directory + "/*.h")
for file in files:
skip = 1
for incl in self.includes:
if file.find(incl) != -1:
skip = 0
break
if skip == 0:
self.headers[file] = None
self.scanHeaders()
self.scanModules()
self.scanVersions()
# Fetch tags from the comment. Only 'Since' supported at the moment.
# For functions, since tags are on Return comments.
# Return the tags and the original comments, but without the tags.
def retrieve_comment_tags(self, name: str, comment: str,
return_comment="") -> (str, str, str):
since = ""
if comment is not None:
comment_match = re.search(r"\(?Since: (\d+\.\d+\.\d+\.?\d?)\)?",
comment)
if comment_match:
# Remove Since tag from the comment
(start, end) = comment_match.span()
comment = comment[:start] + comment[end:]
comment = comment.strip()
# Only the version
since = comment_match.group(1)
if since == "" and return_comment is not None:
return_match = re.search(r"\(?Since: (\d+\.\d+\.\d+\.?\d?)\)?",
return_comment)
if return_match:
# Remove Since tag from the comment
(start, end) = return_match.span()
return_comment = return_comment[:start] + return_comment[end:]
return_comment = return_comment.strip()
# Only the version
since = return_match.group(1)
if since == "":
self.warning("Missing 'Since' tag for: " + name)
return (since, comment, return_comment)
def modulename_file(self, file):
module = os.path.basename(file)
if module[-2:] == '.h':
module = module[:-2]
elif module[-2:] == '.c':
module = module[:-2]
return module
def serialize_enum(self, output, name):
id = self.idx.enums[name]
output.write(" <enum name='%s' file='%s'" % (name,
self.modulename_file(id.header)))
if id.info is not None:
info = id.info
valhex = ""
if info[0] is not None and info[0] != '':
try:
val = eval(info[0])
valhex = hex(val)
except Exception:
val = info[0]
output.write(" value='%s'" % (val))
if valhex != "":
output.write(" value_hex='%s'" % (valhex))
m = re.match(r"\(?1<<(\d+)\)?", info[0])
if m:
output.write(" value_bitshift='%s'" % (m.group(1)))
if info[2] is not None and info[2] != '':
output.write(" type='%s'" % info[2])
if info[1] is not None and info[1] != '':
# Search for 'Since' version tag
(since, comment, _) = self.retrieve_comment_tags(name, info[1])
if len(since) > 0:
output.write(" version='%s'" % escape(since))
if len(comment) > 0:
output.write(" info='%s'" % escape(comment))
else:
self.warning("Missing docstring for enum: " + name)
output.write("/>\n")
def serialize_macro(self, output, name):
id = self.idx.macros[name]
output.write(" <macro name='%s' file='%s'" % (name,
self.modulename_file(id.header)))
if id.info is None:
args = []
desc = None
params = None
strValue = None
rawValue = None
else:
(args, desc, params, strValue, rawValue) = id.info
if params is not None:
output.write(" params='%s'" % params)
if strValue is not None:
output.write(" string='%s'" % strValue)
else:
output.write(" raw='%s'" % escape(rawValue))
(since, comment, _) = self.retrieve_comment_tags(name, desc)
if len(since) > 0:
output.write(" version='%s'" % escape(since))
output.write(">\n")
if comment is not None and comment != "":
output.write(" <info><![CDATA[%s]]></info>\n" % (comment))
self.indexString(name, comment)
for arg in args:
(name, desc) = arg
if desc is not None and desc != "":
output.write(" <arg name='%s' info='%s'/>\n" % (
name, escape(desc)))
self.indexString(name, desc)
else:
output.write(" <arg name='%s'/>\n" % name)
output.write(" </macro>\n")
def serialize_union(self, output, field, desc):
output.write(" <field name='%s' type='union' info='%s'>\n" % (field[1], desc))
output.write(" <union>\n")
for f in field[3]:
desc = f[2]
if desc is None:
desc = ''
else:
desc = escape(desc)
output.write(" <field name='%s' type='%s' info='%s'/>\n" % (f[1], f[0], desc))
output.write(" </union>\n")
output.write(" </field>\n")
def serialize_typedef(self, output, name):
id = self.idx.typedefs[name]
(since, comment, _) = self.retrieve_comment_tags(name, id.extra)
version_tag = len(since) > 0 and f" version='{since}'" or ""
if id.info[0:7] == 'struct ':
output.write(" <struct name='%s' file='%s' type='%s'%s" % (
name, self.modulename_file(id.header), id.info, version_tag))
name = id.info[7:]
if (name in self.idx.structs and
isinstance(self.idx.structs[name].info, (list, tuple))):
output.write(">\n")
try:
for field in self.idx.structs[name].info:
desc = field[2]
self.indexString(name, desc)
if desc is None:
desc = ''
else:
desc = escape(desc)
if field[0] == "union":
self.serialize_union(output, field, desc)
else:
output.write(" <field name='%s' type='%s' info='%s'/>\n" % (field[1], field[0], desc))
except Exception:
self.warning("Failed to serialize struct %s" % name)
output.write(" </struct>\n")
else:
output.write("/>\n")
else:
output.write(" <typedef name='%s' file='%s' type='%s'%s" % (
name, self.modulename_file(id.header), id.info, version_tag))
try:
if comment is not None and comment != "":
output.write(">\n <info><![CDATA[%s]]></info>\n" % (comment))
output.write(" </typedef>\n")
else:
output.write("/>\n")
except Exception:
output.write("/>\n")
def serialize_variable(self, output, name):
id = self.idx.variables[name]
(type, comment) = id.info
(since, comment, _) = self.retrieve_comment_tags(name, comment)
version_tag = len(since) > 0 and f" version='{since}'" or ""
output.write(" <variable name='%s' file='%s' type='%s'%s" % (
name, self.modulename_file(id.header), type, version_tag))
if len(comment) == 0:
output.write("/>\n")
else:
output.write(">\n <info><![CDATA[%s]]></info>\n" % (comment))
output.write(" </variable>\n")
def serialize_function(self, output, name):
id = self.idx.functions[name]
if name == debugsym and not quiet:
print("=>", id)
(ret, params, desc) = id.info
return_comment = (ret is not None and ret[1] is not None) and ret[1] or ""
(since, comment, return_comment) = self.retrieve_comment_tags(name, desc, return_comment)
# Simple way to avoid setting empty version
version_tag = len(since) > 0 and f" version='{since}'" or ""
# NB: this is consumed by a regex in 'getAPIFilenames' in hvsupport.pl
if id.type == "function":
if name not in self.versions:
raise Exception("Missing symbol file entry for '%s'" % name)
ver = self.versions[name]
if ver is None:
raise Exception("Missing version for '%s'" % name)
output.write(" <function name='%s' file='%s' module='%s' version='%s'>\n" % (
name, self.modulename_file(id.header),
self.modulename_file(id.module), self.versions[name]))
else:
output.write(" <functype name='%s' file='%s' module='%s'%s>\n" % (
name, self.modulename_file(id.header),
self.modulename_file(id.module),
version_tag))
#
# Processing of conditionals modified by Bill 1/1/05
#
if id.conditionals is not None:
apstr = ""
for cond in id.conditionals:
if apstr != "":
apstr = apstr + " &amp;&amp; "
apstr = apstr + cond
output.write(" <cond>%s</cond>\n" % (apstr))
try:
# For functions, we get the since version from .syms files.
# This is an extra check to see that docstrings are correct
# and to avoid wrong versions in the .sym files too.
ver = name in self.versions and self.versions[name] or None
if len(since) > 0 and ver is not None and since != ver:
if name in ignored_function_versions:
allowedver = ignored_function_versions[name]
if allowedver != since:
self.warning(f"Function {name} has allowed version {allowedver} but docstring says {since}")
else:
self.warning(f"Function {name} has symversion {ver} but docstring says {since}")
output.write(" <info><![CDATA[%s]]></info>\n" % (comment))
self.indexString(name, desc)
if ret[0] is not None:
if ret[0] == "void":
output.write(" <return type='void'/>\n")
elif (return_comment == '') and name not in ignored_functions:
self.error("Missing documentation for return of function `%s'" % name)
else:
output.write(" <return type='%s' info='%s'/>\n" % (
ret[0], escape(return_comment)))
self.indexString(name, ret[1])
for param in params:
if param[0] == 'void':
continue
if (param[2] is None or param[2] == ''):
if name in ignored_functions:
output.write(" <arg name='%s' type='%s' info=''/>\n" % (param[1], param[0]))
else:
self.error("Missing documentation for arg `%s' of function `%s'" % (param[1], name))
else:
output.write(" <arg name='%s' type='%s' info='%s'/>\n" % (param[1], param[0], escape(param[2])))
self.indexString(name, param[2])
except Exception:
print("Exception:", sys.exc_info()[1], file=sys.stderr)
self.warning("Failed to save function %s info: %s" % (name, repr(id.info)))
if self.acls and name in self.acls:
acls = self.acls[name][0]
aclfilters = self.acls[name][1]
if len(acls) > 0 or len(aclfilters) > 0:
output.write(" <acls>\n")
for acl in acls:
comp = acl.split(':', 3)
objname = comp[0].replace('_', '-')
perm = comp[1].replace('_', '-')
output.write(" <check object='%s' perm='%s'" % (objname, perm))
if len(comp) > 2:
output.write(" flags='%s'" % comp[2])
output.write("/>\n")
for aclfilter in aclfilters:
comp = aclfilter.split(':', 2)
objname = comp[0].replace('_', '-')
perm = comp[1].replace('_', '-')
output.write(" <filter object='%s' perm='%s'/>\n" % (objname, perm))
output.write(" </acls>\n")
output.write(" </%s>\n" % (id.type))
def serialize_exports(self, output, file):
module = self.modulename_file(file)
output.write(" <file name='%s'>\n" % (module))
dict = self.headers[file]
if dict.info is not None:
for data in ('Summary', 'Description'):
try:
output.write(" <%s>%s</%s>\n" % (
data.lower(),
escape(dict.info[data]),
data.lower()))
except KeyError:
self.warning("Header %s lacks a %s description" % (module, data))
if 'Description' in dict.info:
desc = dict.info['Description']
if desc.find("DEPRECATED") != -1:
output.write(" <deprecated/>\n")
for id in uniq(dict.macros.keys()):
# Macros are sometime used to masquerade other types.
if id in dict.functions:
continue
if id in dict.variables:
continue
if id in dict.typedefs:
continue
if id in dict.structs:
continue
if id in dict.unions:
continue
if id in dict.enums:
continue
output.write(" <exports symbol='%s' type='macro'/>\n" % (id))
for id in uniq(dict.enums.keys()):
output.write(" <exports symbol='%s' type='enum'/>\n" % (id))
for id in uniq(dict.typedefs.keys()):
output.write(" <exports symbol='%s' type='typedef'/>\n" % (id))
for id in uniq(dict.structs.keys()):
output.write(" <exports symbol='%s' type='struct'/>\n" % (id))
for id in uniq(dict.variables.keys()):
output.write(" <exports symbol='%s' type='variable'/>\n" % (id))
for id in uniq(dict.functions.keys()):
output.write(" <exports symbol='%s' type='function'/>\n" % (id))
output.write(" </file>\n")
def serialize(self):
filename = "%s/%s-api.xml" % (self.path, self.name)
if not quiet:
print("Saving XML description %s" % (filename))
output = open(filename, "w")
output.write('<?xml version="1.0" encoding="UTF-8"?>\n')
output.write("<api name='%s'>\n" % self.name)
output.write(" <files>\n")
headers = sorted(self.headers.keys())
for file in headers:
self.serialize_exports(output, file)
output.write(" </files>\n")
output.write(" <symbols>\n")
macros = sorted(self.idx.macros.keys())
for macro in macros:
self.serialize_macro(output, macro)
enums = sorted(self.idx.enums.keys())
for enum in enums:
self.serialize_enum(output, enum)
typedefs = sorted(self.idx.typedefs.keys())
for typedef in typedefs:
self.serialize_typedef(output, typedef)
variables = sorted(self.idx.variables.keys())
for variable in variables:
self.serialize_variable(output, variable)
functions = sorted(self.idx.functions.keys())
for function in functions:
self.serialize_function(output, function)
output.write(" </symbols>\n")
output.write("</api>\n")
output.close()
if self.errors > 0:
print("apibuild.py: %d error(s) encountered during generation" % self.errors, file=sys.stderr)
sys.exit(3)
def remoteProcToAPI(remotename: str) -> (str):
components = remotename.split('_')
fixednames = []
if components[1] != "PROC":
raise Exception("Malformed remote function name '%s'" % remotename)
if components[0] == 'REMOTE':
driver = ''
elif components[0] == 'QEMU':
driver = 'Qemu'
elif components[0] == 'LXC':
driver = 'Lxc'
else:
raise Exception("Unknown remote protocol '%s'" % components[0])
for comp in components[2:]:
if comp == '':
raise Exception("Invalid empty component in remote procedure name '%s'" % remotename)
fixedname = comp[0].upper() + comp[1:].lower()
fixedname = re.sub('Nwfilter', 'NWFilter', fixedname)
fixedname = re.sub('Xml$', 'XML', fixedname)
fixedname = re.sub('Xml2$', 'XML2', fixedname)
fixedname = re.sub('Uri$', 'URI', fixedname)
fixedname = re.sub('Uuid$', 'UUID', fixedname)
fixedname = re.sub('Id$', 'ID', fixedname)
fixedname = re.sub('Mac$', 'MAC', fixedname)
fixedname = re.sub('Cpu$', 'CPU', fixedname)
fixedname = re.sub('Os$', 'OS', fixedname)
fixedname = re.sub('Nmi$', 'NMI', fixedname)
fixedname = re.sub('Pm', 'PM', fixedname)
fixedname = re.sub('Fstrim$', 'FSTrim', fixedname)
fixedname = re.sub('Fsfreeze$', 'FSFreeze', fixedname)
fixedname = re.sub('Fsthaw$', 'FSThaw', fixedname)
fixedname = re.sub('Fsinfo$', 'FSInfo', fixedname)
fixedname = re.sub('Iothread$', 'IOThread', fixedname)
fixedname = re.sub('Scsi', 'SCSI', fixedname)
fixedname = re.sub('Wwn$', 'WWN', fixedname)
fixedname = re.sub('Dhcp$', 'DHCP', fixedname)
fixednames.append(fixedname)
apiname = "vir" + fixednames[0]
# In case of remote procedures for qemu/lxc private APIs we need to add
# the name of the driver in the middle of the string after the object name.
# For a special case of event callbacks the 'object' name is actually two
# words: virConenctDomainQemuEvent ...
if fixednames[1] == 'Domain':
apiname += 'Domain'
fixednames.pop(1)
apiname += driver
for name in fixednames[1:]:
apiname = apiname + name
return apiname
def remoteProtocolGetAcls(protocolfilename: str) -> {}:
apiacls = {}
with open(protocolfilename) as proto:
in_procedures = False
acls = []
aclfilters = []
while True:
line = proto.readline()
if not line:
break
if not in_procedures:
if re.match('^enum [a-z]+_procedure {$', line):
in_procedures = True
continue
if line == '};\n':
break
acl_match = re.search(r"\* @acl: ([^\s]+)", line)
if acl_match:
acls.append(acl_match.group(1))
continue
aclfilter_match = re.search(r"\* @aclfilter: ([^\s]+)", line)
if aclfilter_match:
aclfilters.append(aclfilter_match.group(1))
continue
remote_proc_match = re.search(r"^\s+([A-Z_0-9]+) ", line)
if remote_proc_match:
proc = remote_proc_match.group(1)
apiname = remoteProcToAPI(proc)
if len(acls) == 0:
raise Exception("No ACLs for procedure %s(%s)" % proc, apiname)
if 'none' in acls:
if len(acls) > 1:
raise Exception("Procedure %s(%s) has 'none' ACL followed by other ACLs" % proc, apiname)
acls = []
apiacls[apiname] = (acls, aclfilters)
acls = []
aclfilters = []
continue
return apiacls
class app:
def warning(self, msg):
global warnings
warnings = warnings + 1
print(msg)
def rebuild(self, name, srcdir, builddir):
apiacl = None
syms = {
"libvirt": srcdir + "/../src/libvirt_public.syms",
"libvirt-qemu": srcdir + "/../src/libvirt_qemu.syms",
"libvirt-lxc": srcdir + "/../src/libvirt_lxc.syms",
"libvirt-admin": srcdir + "/../src/admin/libvirt_admin_public.syms",
}
protocols = {
"libvirt": srcdir + "/../src/remote/remote_protocol.x",
"libvirt-qemu": srcdir + "/../src/remote/qemu_protocol.x",
"libvirt-lxc": srcdir + "/../src/remote/lxc_protocol.x",
"libvirt-admin": None,
}
if name not in syms or name not in protocols:
self.warning("rebuild() failed, unknown module %s" % name)
return None
if protocols[name]:
apiacl = remoteProtocolGetAcls(protocols[name])
builder = None
if glob.glob(srcdir + "/../src/libvirt.c") != []:
if not quiet:
print("Rebuilding API description for %s" % name)
dirs = [srcdir + "/../src",
srcdir + "/../src/admin",
srcdir + "/../src/util",
srcdir + "/../include/libvirt",
builddir + "/../include/libvirt"]
builder = docBuilder(name, syms[name], builddir, dirs, [], apiacl)
else:
self.warning("rebuild() failed, unable to guess the module")
return None
builder.scan()
builder.analyze()
builder.serialize()
return builder
#
# for debugging the parser
#
def parse(self, filename):
parser = CParser(filename)
idx = parser.parse()
return idx
if __name__ == "__main__":
parser = argparse.ArgumentParser(description="XML API builder")
parser.add_argument("srcdir", type=str, help="path to docs source dir")
parser.add_argument("builddir", type=str, help="path to docs build dir")
parser.add_argument("-d", "--debug", type=str, help="path to source file")
args = parser.parse_args()
app = app()
if args.debug:
debug = 1
app.parse(args.debug)
else:
app.rebuild("libvirt", args.srcdir, args.builddir)
app.rebuild("libvirt-qemu", args.srcdir, args.builddir)
app.rebuild("libvirt-lxc", args.srcdir, args.builddir)
app.rebuild("libvirt-admin", args.srcdir, args.builddir)
if warnings > 0:
sys.exit(2)
else:
sys.exit(0)
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