Add DRI2 support. (v2)

[free-sw/xcb/libxcb] / src / c_client.py

diff --git a/src/c_client.py b/src/c_client.py
index 835ae5c..d86d05e 100755 (executable)
--- a/src/c_client.py
+++ b/src/c_client.py
@@ -1,7 +1,8 @@
 #!/usr/bin/env python
 from xml.etree.cElementTree import *
-from sys import argv
 from os.path import basename
+import getopt
+import sys
 import re
 
 # Jump to the bottom of this file for the main routine
@@ -16,18 +17,6 @@ _cplusplus_annoyances = {'class' : '_class',
                          'new'   : '_new',
                          'delete': '_delete'}
 
-_cardinal_types = ['CARD8', 'uint8_t',
-                   'CARD16','uint16_t',
-                   'CARD32','uint32_t',
-                   'INT8', 'int8_t',
-                   'INT16', 'int16_t',
-                   'INT32', 'int32_t',
-                   'BYTE',
-                   'BOOL',
-                   'char',
-                   'void',
-                   'float',
-                   'double']
 _hlines = []
 _hlevel = 0
 _clines = []
@@ -146,6 +135,9 @@ def c_open(self):
     _ns = self.namespace
     _ns.c_ext_global_name = _n(_ns.prefix + ('id',))
 
+    # Build the type-name collision avoidance table used by c_enum
+    build_collision_table()
+
     _h_setlevel(0)
     _c_setlevel(0)
 
@@ -175,6 +167,12 @@ def c_open(self):
         for (n, h) in self.imports:
             _hc('#include "%s.h"', h)
 
+    _h('')
+    _h('#ifdef __cplusplus')
+    _h('extern "C" {')
+    _h('#endif')
+
+    if _ns.is_ext:
         _h('')
         _h('#define XCB_%s_MAJOR_VERSION %s', _ns.ext_name.upper(), _ns.major_version)
         _h('#define XCB_%s_MINOR_VERSION %s', _ns.ext_name.upper(), _ns.minor_version)
@@ -182,7 +180,7 @@ def c_open(self):
         _h('extern xcb_extension_t %s;', _ns.c_ext_global_name)
 
         _c('')
-        _c('xcb_extension_t %s = { "%s" };', _ns.c_ext_global_name, _ns.ext_xname)
+        _c('xcb_extension_t %s = { "%s", 0 };', _ns.c_ext_global_name, _ns.ext_xname)
 
 def c_close(self):
     '''
@@ -192,6 +190,12 @@ def c_close(self):
     _h_setlevel(2)
     _c_setlevel(2)
     _hc('')
+
+    _h('')
+    _h('#ifdef __cplusplus')
+    _h('}')
+    _h('#endif')
+
     _h('')
     _h('#endif')
     _h('')
@@ -215,13 +219,26 @@ def c_close(self):
             cfile.write('\n')
     cfile.close()
 
+def build_collision_table():
+    global namecount
+    namecount = {}
+
+    for v in module.types.values():
+        name = _t(v[0])
+        namecount[name] = (namecount.get(name) or 0) + 1
+
 def c_enum(self, name):
     '''
     Exported function that handles enum declarations.
     '''
+
+    tname = _t(name)
+    if namecount[tname] > 1:
+        tname = _t(name + ('enum',))
+
     _h_setlevel(0)
     _h('')
-    _h('typedef enum %s {', _t(name))
+    _h('typedef enum %s {', tname)
 
     count = len(self.values)
 
@@ -231,7 +248,7 @@ def c_enum(self, name):
         comma = ',' if count > 0 else ''
         _h('    %s%s%s%s', _n(name + (enam,)).upper(), equals, eval, comma)
 
-    _h('} %s;', _t(name))
+    _h('} %s;', tname)
 
 def _c_type_setup(self, name, postfix):
     '''
@@ -306,7 +323,7 @@ def _c_iterator_get_end(field, accum):
         return _c_iterator_get_end(field.type.last_varsized_field, accum)
     if field.type.is_list:
         # XXX we can always use the first way
-        if field.type.c_type in _cardinal_types:
+        if field.type.member.is_simple:
             return field.c_end_name + '(' + accum + ')'
         else:
             return field.type.member.c_end_name + '(' + field.c_iterator_name + '(' + accum + '))'
@@ -442,7 +459,7 @@ def _c_accessors_field(self, field):
     '''
     Declares the accessor functions for a non-list field that follows a variable-length field.
     '''
-    if field.field_type[0] in _cardinal_types:
+    if field.type.is_simple:
         _hc('')
         _hc('')
         _hc('/*****************************************************************************')
@@ -534,7 +551,7 @@ def _c_accessors_list(self, field):
     _c('    return %s;', _c_accessor_get_expr(field.type.expr, 'R'))
     _c('}')
 
-    if field.field_type[0] in _cardinal_types:
+    if field.type.member.is_simple:
         _hc('')
         _hc('')
         _hc('/*****************************************************************************')
@@ -634,9 +651,15 @@ def _c_complex(self):
     struct_fields = []
     maxtypelen = 0
 
+    varfield = None
     for field in self.fields:
         if not field.type.fixed_size():
-            break
+            varfield = field.c_field_name
+            continue
+        if varfield != None and not field.type.is_pad and field.wire:
+            errmsg = '%s: warning: variable field %s followed by fixed field %s\n' % (self.c_type, varfield, field.c_field_name)
+            sys.stderr.write(errmsg)
+            # sys.exit(1)
         if field.wire:
             struct_fields.append(field)
         
@@ -982,6 +1005,18 @@ output = {'open'    : c_open,
 
 # Boilerplate below this point
 
+# Check for the argument that specifies path to the xcbgen python package.
+try:
+    opts, args = getopt.getopt(sys.argv[1:], 'p:')
+except getopt.GetoptError, err:
+    print str(err)
+    print 'Usage: c_client.py [-p path] file.xml'
+    sys.exit(1)
+
+for (opt, arg) in opts:
+    if opt == '-p':
+        sys.path.append(arg)
+
 # Import the module class
 try:
     from xcbgen.state import Module
@@ -996,7 +1031,7 @@ except ImportError:
     raise
 
 # Parse the xml header
-module = Module(argv[1], output)
+module = Module(args[0], output)
 
 # Build type-registry and resolve type dependencies
 module.register()