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b/scripts/qapi-types.py | ||
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# QAPI types generator |
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# |
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# Copyright IBM, Corp. 2011 |
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# |
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# Authors: |
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# Anthony Liguori <aliguori@us.ibm.com> |
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# |
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# This work is licensed under the terms of the GNU GPLv2. |
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# See the COPYING.LIB file in the top-level directory. |
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from ordereddict import OrderedDict |
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from qapi import * |
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import sys |
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import os |
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import getopt |
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import errno |
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def generate_fwd_struct(name, members): |
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return mcgen(''' |
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typedef struct %(name)s %(name)s; |
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typedef struct %(name)sList |
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{ |
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%(name)s *value; |
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struct %(name)sList *next; |
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} %(name)sList; |
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''', |
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name=name) |
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def generate_struct(structname, fieldname, members): |
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ret = mcgen(''' |
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struct %(name)s |
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{ |
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''', |
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name=structname) |
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for argname, argentry, optional, structured in parse_args(members): |
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if optional: |
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ret += mcgen(''' |
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bool has_%(c_name)s; |
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''', |
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c_name=c_var(argname)) |
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if structured: |
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push_indent() |
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ret += generate_struct("", argname, argentry) |
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pop_indent() |
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else: |
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ret += mcgen(''' |
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%(c_type)s %(c_name)s; |
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''', |
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c_type=c_type(argentry), c_name=c_var(argname)) |
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if len(fieldname): |
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fieldname = " " + fieldname |
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ret += mcgen(''' |
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}%(field)s; |
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''', |
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field=fieldname) |
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return ret |
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def generate_enum_lookup(name, values): |
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ret = mcgen(''' |
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const char *%(name)s_lookup[] = { |
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''', |
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name=name) |
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i = 0 |
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for value in values: |
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ret += mcgen(''' |
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"%(value)s", |
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''', |
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value=c_var(value).lower()) |
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ret += mcgen(''' |
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NULL, |
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}; |
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''') |
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return ret |
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def generate_enum(name, values): |
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lookup_decl = mcgen(''' |
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extern const char *%(name)s_lookup[]; |
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''', |
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name=name) |
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enum_decl = mcgen(''' |
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typedef enum %(name)s |
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{ |
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''', |
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name=name) |
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i = 0 |
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for value in values: |
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enum_decl += mcgen(''' |
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%(abbrev)s_%(value)s = %(i)d, |
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''', |
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abbrev=de_camel_case(name).upper(), |
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value=c_var(value).upper(), |
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i=i) |
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i += 1 |
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enum_decl += mcgen(''' |
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} %(name)s; |
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''', |
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name=name) |
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return lookup_decl + enum_decl |
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def generate_union(name, typeinfo): |
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ret = mcgen(''' |
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struct %(name)s |
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{ |
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%(name)sKind kind; |
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union { |
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''', |
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name=name) |
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for key in typeinfo: |
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ret += mcgen(''' |
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%(c_type)s %(c_name)s; |
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''', |
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c_type=c_type(typeinfo[key]), |
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c_name=c_var(key)) |
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ret += mcgen(''' |
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}; |
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}; |
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''') |
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return ret |
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def generate_type_cleanup_decl(name): |
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ret = mcgen(''' |
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void qapi_free_%(type)s(%(c_type)s obj); |
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''', |
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c_type=c_type(name),type=name) |
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return ret |
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def generate_type_cleanup(name): |
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ret = mcgen(''' |
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void qapi_free_%(type)s(%(c_type)s obj) |
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{ |
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QapiDeallocVisitor *md; |
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Visitor *v; |
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if (!obj) { |
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return; |
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} |
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md = qapi_dealloc_visitor_new(); |
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v = qapi_dealloc_get_visitor(md); |
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visit_type_%(type)s(v, &obj, NULL, NULL); |
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qapi_dealloc_visitor_cleanup(md); |
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} |
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''', |
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c_type=c_type(name),type=name) |
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return ret |
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try: |
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opts, args = getopt.gnu_getopt(sys.argv[1:], "p:o:", ["prefix=", "output-dir="]) |
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except getopt.GetoptError, err: |
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print str(err) |
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sys.exit(1) |
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output_dir = "" |
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prefix = "" |
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c_file = 'qapi-types.c' |
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h_file = 'qapi-types.h' |
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for o, a in opts: |
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if o in ("-p", "--prefix"): |
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prefix = a |
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elif o in ("-o", "--output-dir"): |
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output_dir = a + "/" |
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c_file = output_dir + prefix + c_file |
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h_file = output_dir + prefix + h_file |
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try: |
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os.makedirs(output_dir) |
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except os.error, e: |
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if e.errno != errno.EEXIST: |
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raise |
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fdef = open(c_file, 'w') |
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fdecl = open(h_file, 'w') |
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fdef.write(mcgen(''' |
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/* AUTOMATICALLY GENERATED, DO NOT MODIFY */ |
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/* |
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* deallocation functions for schema-defined QAPI types |
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* |
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* Copyright IBM, Corp. 2011 |
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* |
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* Authors: |
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* Anthony Liguori <aliguori@us.ibm.com> |
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* Michael Roth <mdroth@linux.vnet.ibm.com> |
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* |
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* This work is licensed under the terms of the GNU LGPL, version 2.1 or later. |
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* See the COPYING.LIB file in the top-level directory. |
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* |
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*/ |
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#include "qapi/qapi-dealloc-visitor.h" |
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#include "%(prefix)sqapi-types.h" |
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#include "%(prefix)sqapi-visit.h" |
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''', prefix=prefix)) |
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fdecl.write(mcgen(''' |
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/* AUTOMATICALLY GENERATED, DO NOT MODIFY */ |
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/* |
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* schema-defined QAPI types |
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* |
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* Copyright IBM, Corp. 2011 |
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* |
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* Authors: |
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* Anthony Liguori <aliguori@us.ibm.com> |
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* |
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* This work is licensed under the terms of the GNU LGPL, version 2.1 or later. |
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* See the COPYING.LIB file in the top-level directory. |
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* |
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*/ |
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#ifndef %(guard)s |
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#define %(guard)s |
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#include "qapi/qapi-types-core.h" |
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''', |
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guard=guardname(h_file))) |
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exprs = parse_schema(sys.stdin) |
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for expr in exprs: |
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ret = "\n" |
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if expr.has_key('type'): |
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ret += generate_fwd_struct(expr['type'], expr['data']) |
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elif expr.has_key('enum'): |
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ret += generate_enum(expr['enum'], expr['data']) |
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fdef.write(generate_enum_lookup(expr['enum'], expr['data'])) |
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elif expr.has_key('union'): |
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ret += generate_fwd_struct(expr['union'], expr['data']) + "\n" |
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ret += generate_enum('%sKind' % expr['union'], expr['data'].keys()) |
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else: |
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continue |
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fdecl.write(ret) |
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for expr in exprs: |
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ret = "\n" |
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if expr.has_key('type'): |
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ret += generate_struct(expr['type'], "", expr['data']) + "\n" |
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ret += generate_type_cleanup_decl(expr['type']) |
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fdef.write(generate_type_cleanup(expr['type']) + "\n") |
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elif expr.has_key('union'): |
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ret += generate_union(expr['union'], expr['data']) |
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else: |
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continue |
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fdecl.write(ret) |
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fdecl.write(''' |
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#endif |
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''') |
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fdecl.flush() |
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fdecl.close() |
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