[pypy-commit] creflect default: Pass the base case of a global function declaration.

[arigo]

Author: Armin Rigo <arigo at tunes.org>
Branch: 
Changeset: r63:364e932db77a
Date: 2014-11-18 00:49 +0100
http://bitbucket.org/cffi/creflect/changeset/364e932db77a/

Log:	Pass the base case of a global function declaration.

diff --git a/creflect/model.py b/creflect/model.py
--- a/creflect/model.py
+++ b/creflect/model.py
@@ -27,6 +27,9 @@
         if inspect is not None and inspect.started:
             inspect.assign_to_p1('0')
 
+    def shadow_global_var(self, top_level_block, name):
+        return name
+
     def __eq__(self, other):
         return (self.__class__ == other.__class__ and
                 self._get_items() == other._get_items())
@@ -199,6 +202,20 @@
             t1, a2, len(t_args), crx_func_name)
         return block.write_crx_type_var(expr)
 
+    def shadow_global_var(self, top_level_block, fnname):
+        shadowname = '%s__d_%s' % (top_level_block.crx_func_name, fnname)
+        wrline = top_level_block.writeline
+        args = [arg.get_c_name('a%d' % i) for i, arg in enumerate(self.args)]
+        decl = '%s(%s)' % (shadowname, ', '.join(args) or 'void')
+        wrline('static %s {' % self.result.get_c_name(decl))
+        args = ['a%d' % i for i, arg in enumerate(self.args)]
+        wrline('    %s%s(%s);' % ('' if isinstance(self.result, VoidType)
+                                  else 'return ',
+                                  fnname, ', '.join(args)))
+        wrline('}')
+        wrline('')
+        return shadowname
+
 
 class PointerType(BaseType):
     _attrs_ = ('totype',)
@@ -491,5 +508,7 @@
         inspect = TypeInspector(block, None, varname=self.name)
         t1 = self.type.inspect_type(block, inspect)
         inspect.stop()
-        block.writeline('cb->define_var(cb, "%s", %s, &xxx);' % (self.name, t1))
+        shadow = self.type.shadow_global_var(block.crx_top_level, self.name)
+        block.writeline('cb->define_var(cb, "%s", %s, &%s);' % (
+            self.name, t1, shadow))
         funcblock.write_subblock(block)