+++ /dev/null
-# C generation
-import datetime
-import os
-import time
-
-datestring = datetime.datetime.utcfromtimestamp(int(os.environ.get('SOURCE_DATE_EPOCH', time.time())))
-input_filename = 'inputfil'
-top_boilerplate = '''\
-/*
- * VLIB API definitions {datestring}
- * Input file: {input_filename}
- * Automatically generated: please edit the input file NOT this file!
- */
-
-#if defined(vl_msg_id)||defined(vl_union_id) \\
- || defined(vl_printfun) ||defined(vl_endianfun) \\
- || defined(vl_api_version)||defined(vl_typedefs) \\
- || defined(vl_msg_name)||defined(vl_msg_name_crc_list) \\
- || defined(vl_api_version_tuple)
-/* ok, something was selected */
-#else
-#warning no content included from {input_filename}
-#endif
-
-#define VL_API_PACKED(x) x __attribute__ ((packed))
-'''
-
-bottom_boilerplate = '''\
-/****** API CRC (whole file) *****/
-
-#ifdef vl_api_version
-vl_api_version({input_filename}, {file_crc:#08x})
-
-#endif
-'''
-
-
-def msg_ids(s):
- output = '''\
-
-/****** Message ID / handler enum ******/
-
-#ifdef vl_msg_id
-'''
-
- for t in s['Define']:
- output += "vl_msg_id(VL_API_%s, vl_api_%s_t_handler)\n" % \
- (t.name.upper(), t.name)
- output += "#endif"
-
- return output
-
-
-def msg_names(s):
- output = '''\
-
-/****** Message names ******/
-
-#ifdef vl_msg_name
-'''
-
- for t in s['Define']:
- dont_trace = 0 if t.dont_trace else 1
- output += "vl_msg_name(vl_api_%s_t, %d)\n" % (t.name, dont_trace)
- output += "#endif"
-
- return output
-
-
-def msg_name_crc_list(s, suffix):
- output = '''\
-
-/****** Message name, crc list ******/
-
-#ifdef vl_msg_name_crc_list
-'''
- output += "#define foreach_vl_msg_name_crc_%s " % suffix
-
- for t in s['Define']:
- output += "\\\n_(VL_API_%s, %s, %08x) " % \
- (t.name.upper(), t.name, t.crc)
- output += "\n#endif"
-
- return output
-
-
-def duplicate_wrapper_head(name):
- s = "#ifndef defined_%s\n" % name
- s += "#define defined_%s\n" % name
- return s
-
-
-def duplicate_wrapper_tail():
- return '#endif\n\n'
-
-
-def typedefs(objs, filename):
- name = filename.replace('.', '_')
- output = '''\
-
-
-/****** Typedefs ******/
-
-#ifdef vl_typedefs
-#ifndef included_{module}
-#define included_{module}
-'''
- output = output.format(module=name)
- for o in objs:
- tname = o.__class__.__name__
- output += duplicate_wrapper_head(o.name)
- if tname == 'Enum':
- output += "typedef enum {\n"
- for b in o.block:
- output += " %s = %s,\n" % (b[0], b[1])
- output += '} vl_api_%s_t;\n' % o.name
- else:
- if tname == 'Union':
- output += "typedef VL_API_PACKED(union _vl_api_%s {\n" % o.name
- else:
- output += "typedef VL_API_PACKED(struct _vl_api_%s {\n" % o.name
- for b in o.block:
- if b.type == 'Field':
- output += " %s %s;\n" % (b.fieldtype, b.fieldname)
- elif b.type == 'Array':
- if b.lengthfield:
- output += " %s %s[0];\n" % (b.fieldtype, b.fieldname)
- else:
- output += " %s %s[%s];\n" % (b.fieldtype, b.fieldname,
- b.length)
- else:
- raise ValueError("Error in processing array type %s" % b)
-
- output += '}) vl_api_%s_t;\n' % o.name
- output += duplicate_wrapper_tail()
-
- output += "\n#endif"
- output += "\n#endif\n\n"
-
- return output
-
-
-format_strings = {'u8': '%u',
- 'i8': '%d',
- 'u16': '%u',
- 'i16': '%d',
- 'u32': '%u',
- 'i32': '%ld',
- 'u64': '%llu',
- 'i64': '%llu',
- 'f64': '%.2f', }
-
-
-def printfun(objs):
- output = '''\
-/****** Print functions *****/
-#ifdef vl_printfun
-
-#ifdef LP64
-#define _uword_fmt \"%lld\"
-#define _uword_cast (long long)
-#else
-#define _uword_fmt \"%ld\"
-#define _uword_cast long
-#endif
-
-'''
- for t in objs:
- if t.__class__.__name__ == 'Enum':
- continue
- if t.manual_print:
- output += "/***** manual: vl_api_%s_t_print *****/\n\n" % t.name
- continue
- output += duplicate_wrapper_head(t.name + '_t_print')
- output += "static inline void *vl_api_%s_t_print (vl_api_%s_t *a," % \
- (t.name, t.name)
- output += "void *handle)\n{\n"
- output += " vl_print(handle, \"vl_api_%s_t:\\n\");\n" % t.name
-
- for o in t.block:
- if o.type != 'Field':
- continue
- if o.fieldtype in format_strings:
- output += " vl_print(handle, \"%s: %s\\n\", a->%s);\n" % \
- (o.fieldname, format_strings[o.fieldtype],
- o.fieldname)
-
- output += ' return handle;\n'
- output += '}\n\n'
- output += duplicate_wrapper_tail()
-
- output += "\n#endif /* vl_printfun */\n"
-
- return output
-
-
-endian_strings = {
- 'u16': 'clib_net_to_host_u16',
- 'u32': 'clib_net_to_host_u32',
- 'u64': 'clib_net_to_host_u64',
- 'i16': 'clib_net_to_host_u16',
- 'i32': 'clib_net_to_host_u32',
- 'i64': 'clib_net_to_host_u64',
-}
-
-
-def endianfun(objs):
- output = '''\
-
-/****** Endian swap functions *****/\n\
-#ifdef vl_endianfun
-
-#undef clib_net_to_host_uword
-#ifdef LP64
-#define clib_net_to_host_uword clib_net_to_host_u64
-#else
-#define clib_net_to_host_uword clib_net_to_host_u32
-#endif
-
-'''
-
- for t in objs:
- if t.__class__.__name__ == 'Enum':
- continue
- if t.manual_endian:
- output += "/***** manual: vl_api_%s_t_endian *****/\n\n" % t.name
- continue
- output += duplicate_wrapper_head(t.name + '_t_endian')
- output += "static inline void vl_api_%s_t_endian (vl_api_%s_t *a)" % \
- (t.name, t.name)
- output += "\n{\n"
-
- for o in t.block:
- if o.type != 'Field':
- continue
- if o.fieldtype in endian_strings:
- output += " a->%s = %s(a->%s);\n" % \
- (o.fieldname, endian_strings[o.fieldtype], o.fieldname)
- else:
- output += " /* a->%s = a->%s (no-op) */\n" % \
- (o.fieldname, o.fieldname)
-
- output += '}\n\n'
- output += duplicate_wrapper_tail()
- output += "\n#endif /* vl_endianfun */\n\n"
-
- return output
-
-
-def version_tuple(s, module):
- output = '''\
-/****** Version tuple *****/
-
-#ifdef vl_api_version_tuple
-
-'''
- if 'version' in s['Option']:
- v = s['Option']['version']
- (major, minor, patch) = v.split('.')
- output += "vl_api_version_tuple(%s, %s, %s, %s)\n" % \
- (module, major, minor, patch)
-
- output += "\n#endif /* vl_api_version_tuple */\n\n"
-
- return output
-
-
-#
-# Plugin entry point
-#
-def run(input_filename, s, file_crc):
- basename = os.path.basename(input_filename)
- filename, file_extension = os.path.splitext(basename)
- output = top_boilerplate.format(datestring=datestring,
- input_filename=basename)
- output += msg_ids(s)
- output += msg_names(s)
- output += msg_name_crc_list(s, filename)
- output += typedefs(s['types'] + s['Define'], filename + file_extension)
- output += printfun(s['types'] + s['Define'])
- output += endianfun(s['types'] + s['Define'])
- output += version_tuple(s, basename)
- output += bottom_boilerplate.format(input_filename=basename,
- file_crc=file_crc)
-
- return output
Code Review / vpp.git / blobdiff