[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH 14/25] qapi: add qapi.py helper libraries
From: |
Luiz Capitulino |
Subject: |
[Qemu-devel] [PATCH 14/25] qapi: add qapi.py helper libraries |
Date: |
Thu, 21 Jul 2011 17:01:03 -0300 |
From: Michael Roth <address@hidden>
Signed-off-by: Michael Roth <address@hidden>
Signed-off-by: Luiz Capitulino <address@hidden>
---
scripts/qapi.py | 203 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 203 insertions(+), 0 deletions(-)
create mode 100644 scripts/qapi.py
diff --git a/scripts/qapi.py b/scripts/qapi.py
new file mode 100644
index 0000000..56af232
--- /dev/null
+++ b/scripts/qapi.py
@@ -0,0 +1,203 @@
+#
+# QAPI helper library
+#
+# Copyright IBM, Corp. 2011
+#
+# Authors:
+# Anthony Liguori <address@hidden>
+#
+# This work is licensed under the terms of the GNU GPLv2.
+# See the COPYING.LIB file in the top-level directory.
+
+from ordereddict import OrderedDict
+
+def tokenize(data):
+ while len(data):
+ if data[0] in ['{', '}', ':', ',', '[', ']']:
+ yield data[0]
+ data = data[1:]
+ elif data[0] in ' \n':
+ data = data[1:]
+ elif data[0] == "'":
+ data = data[1:]
+ string = ''
+ while data[0] != "'":
+ string += data[0]
+ data = data[1:]
+ data = data[1:]
+ yield string
+
+def parse(tokens):
+ if tokens[0] == '{':
+ ret = OrderedDict()
+ tokens = tokens[1:]
+ while tokens[0] != '}':
+ key = tokens[0]
+ tokens = tokens[1:]
+
+ tokens = tokens[1:] # :
+
+ value, tokens = parse(tokens)
+
+ if tokens[0] == ',':
+ tokens = tokens[1:]
+
+ ret[key] = value
+ tokens = tokens[1:]
+ return ret, tokens
+ elif tokens[0] == '[':
+ ret = []
+ tokens = tokens[1:]
+ while tokens[0] != ']':
+ value, tokens = parse(tokens)
+ if tokens[0] == ',':
+ tokens = tokens[1:]
+ ret.append(value)
+ tokens = tokens[1:]
+ return ret, tokens
+ else:
+ return tokens[0], tokens[1:]
+
+def evaluate(string):
+ return parse(map(lambda x: x, tokenize(string)))[0]
+
+def parse_schema(fp):
+ exprs = []
+ expr = ''
+ expr_eval = None
+
+ for line in fp:
+ if line.startswith('#') or line == '\n':
+ continue
+
+ if line.startswith(' '):
+ expr += line
+ elif expr:
+ expr_eval = evaluate(expr)
+ if expr_eval.has_key('enum'):
+ add_enum(expr_eval['enum'])
+ elif expr_eval.has_key('union'):
+ add_enum('%sKind' % expr_eval['union'])
+ exprs.append(expr_eval)
+ expr = line
+ else:
+ expr += line
+
+ if expr:
+ expr_eval = evaluate(expr)
+ if expr_eval.has_key('enum'):
+ add_enum(expr_eval['enum'])
+ elif expr_eval.has_key('union'):
+ add_enum('%sKind' % expr_eval['union'])
+ exprs.append(expr_eval)
+
+ return exprs
+
+def parse_args(typeinfo):
+ for member in typeinfo:
+ argname = member
+ argentry = typeinfo[member]
+ optional = False
+ structured = False
+ if member.startswith('*'):
+ argname = member[1:]
+ optional = True
+ if isinstance(argentry, OrderedDict):
+ structured = True
+ yield (argname, argentry, optional, structured)
+
+def de_camel_case(name):
+ new_name = ''
+ for ch in name:
+ if ch.isupper() and new_name:
+ new_name += '_'
+ if ch == '-':
+ new_name += '_'
+ else:
+ new_name += ch.lower()
+ return new_name
+
+def camel_case(name):
+ new_name = ''
+ first = True
+ for ch in name:
+ if ch in ['_', '-']:
+ first = True
+ elif first:
+ new_name += ch.upper()
+ first = False
+ else:
+ new_name += ch.lower()
+ return new_name
+
+def c_var(name):
+ return '_'.join(name.split('-')).lstrip("*")
+
+def c_list_type(name):
+ return '%sList' % name
+
+def type_name(name):
+ if type(name) == list:
+ return c_list_type(name[0])
+ return name
+
+enum_types = []
+
+def add_enum(name):
+ global enum_types
+ enum_types.append(name)
+
+def is_enum(name):
+ global enum_types
+ return (name in enum_types)
+
+def c_type(name):
+ if name == 'str':
+ return 'char *'
+ elif name == 'int':
+ return 'int64_t'
+ elif name == 'bool':
+ return 'bool'
+ elif name == 'number':
+ return 'double'
+ elif type(name) == list:
+ return '%s *' % c_list_type(name[0])
+ elif is_enum(name):
+ return name
+ elif name == None or len(name) == 0:
+ return 'void'
+ elif name == name.upper():
+ return '%sEvent *' % camel_case(name)
+ else:
+ return '%s *' % name
+
+def genindent(count):
+ ret = ""
+ for i in range(count):
+ ret += " "
+ return ret
+
+indent_level = 0
+
+def push_indent(indent_amount=4):
+ global indent_level
+ indent_level += indent_amount
+
+def pop_indent(indent_amount=4):
+ global indent_level
+ indent_level -= indent_amount
+
+def cgen(code, **kwds):
+ indent = genindent(indent_level)
+ lines = code.split('\n')
+ lines = map(lambda x: indent + x, lines)
+ return '\n'.join(lines) % kwds + '\n'
+
+def mcgen(code, **kwds):
+ return cgen('\n'.join(code.split('\n')[1:-1]), **kwds)
+
+def basename(filename):
+ return filename.split("/")[-1]
+
+def guardname(filename):
+ return filename.replace("/", "_").replace("-", "_").split(".")[0].upper()
--
1.7.6.233.gd79bc
- [Qemu-devel] [PATCH 03/25] Error: Fix build when qemu-common.h is not included, (continued)
- [Qemu-devel] [PATCH 03/25] Error: Fix build when qemu-common.h is not included, Luiz Capitulino, 2011/07/21
- [Qemu-devel] [PATCH 05/25] qlist: add qlist_first()/qlist_next(), Luiz Capitulino, 2011/07/21
- [Qemu-devel] [PATCH 06/25] qapi: add module init types for qapi, Luiz Capitulino, 2011/07/21
- [Qemu-devel] [PATCH 04/25] Add hard build dependency on glib, Luiz Capitulino, 2011/07/21
- [Qemu-devel] [PATCH 09/25] qapi: add QMP output visitor, Luiz Capitulino, 2011/07/21
- [Qemu-devel] [PATCH 07/25] qapi: add QAPI visitor core, Luiz Capitulino, 2011/07/21
- [Qemu-devel] [PATCH 11/25] qapi: add QMP command registration/lookup functions, Luiz Capitulino, 2011/07/21
- [Qemu-devel] [PATCH 10/25] qapi: add QAPI dealloc visitor, Luiz Capitulino, 2011/07/21
- [Qemu-devel] [PATCH 08/25] qapi: add QMP input visitor, Luiz Capitulino, 2011/07/21
- [Qemu-devel] [PATCH 13/25] qapi: add ordereddict.py helper library, Luiz Capitulino, 2011/07/21
- [Qemu-devel] [PATCH 14/25] qapi: add qapi.py helper libraries,
Luiz Capitulino <=
- [Qemu-devel] [PATCH 12/25] qapi: add QMP dispatch functions, Luiz Capitulino, 2011/07/21
- [Qemu-devel] [PATCH 15/25] qapi: add qapi-types.py code generator, Luiz Capitulino, 2011/07/21
- [Qemu-devel] [PATCH 19/25] qapi: add test-visitor, tests for gen. visitor code, Luiz Capitulino, 2011/07/21
- [Qemu-devel] [PATCH 20/25] qapi: add test-qmp-commands, tests for gen. marshalling/dispatch code, Luiz Capitulino, 2011/07/21
- [Qemu-devel] [PATCH 21/25] qapi: add QAPI code generation documentation, Luiz Capitulino, 2011/07/21
- [Qemu-devel] [PATCH 22/25] qerror: add QERR_JSON_PARSE_ERROR to qerror.c, Luiz Capitulino, 2011/07/21
- [Qemu-devel] [PATCH 25/25] guest agent: add guest agent RPCs/commands, Luiz Capitulino, 2011/07/21
- [Qemu-devel] [PATCH 16/25] qapi: add qapi-visit.py code generator, Luiz Capitulino, 2011/07/21
- [Qemu-devel] [PATCH 17/25] qapi: add qapi-commands.py code generator, Luiz Capitulino, 2011/07/21
- [Qemu-devel] [PATCH 24/25] guest agent: qemu-ga daemon, Luiz Capitulino, 2011/07/21