Imported from /home/lorry/working-area/delta_boost-tarball/boost_1_54_0.tar.bz2.boost_1_54_0baserock/morph

1 files changed, 259 insertions, 0 deletions

diff --git a/libs/python/pyste/src/Pyste/infos.py b/libs/python/pyste/src/Pyste/infos.py
new file mode 100644
index 000000000..2a4f01eaf
--- /dev/null
+++ b/libs/python/pyste/src/Pyste/infos.py
@@ -0,0 +1,259 @@
+# Copyright Bruno da Silva de Oliveira 2003. Use, modification and 
+# distribution is subject to the Boost Software License, Version 1.0.
+# (See accompanying file LICENSE_1_0.txt or copy at 
+# http://www.boost.org/LICENSE_1_0.txt)
+
+import os.path
+import copy
+import exporters 
+from ClassExporter import ClassExporter
+from FunctionExporter import FunctionExporter
+from EnumExporter import EnumExporter
+from HeaderExporter import HeaderExporter
+from VarExporter import VarExporter
+from CodeExporter import CodeExporter
+from exporterutils import FunctionWrapper
+from utils import makeid
+import warnings
+
+#==============================================================================
+# DeclarationInfo
+#==============================================================================
+class DeclarationInfo:
+    
+    def __init__(self, otherInfo=None):
+        self.__infos = {}
+        self.__attributes = {}
+        if otherInfo is not None:
+            self.__infos = copy.deepcopy(otherInfo.__infos)
+            self.__attributes = copy.deepcopy(otherInfo.__attributes)
+
+
+    def __getitem__(self, name):
+        'Used to access sub-infos'        
+        if name.startswith('__'):
+            raise AttributeError
+        default = DeclarationInfo()
+        default._Attribute('name', name)
+        return self.__infos.setdefault(name, default)
+
+
+    def __getattr__(self, name):
+        return self[name]
+
+
+    def _Attribute(self, name, value=None):
+        if value is None:
+            # get value
+            return self.__attributes.get(name)
+        else:
+            # set value
+            self.__attributes[name] = value
+
+
+    def AddExporter(self, exporter):
+        # this was causing a much serious bug, as reported by Niall Douglas:
+        # another solution must be found!
+        #if not exporters.importing:
+            if exporter not in exporters.exporters:
+                exporters.exporters.append(exporter)
+            exporter.interface_file = exporters.current_interface 
+
+
+#==============================================================================
+# FunctionInfo
+#==============================================================================
+class FunctionInfo(DeclarationInfo):
+
+    def __init__(self, name, include, tail=None, otherOption=None,
+                 exporter_class = FunctionExporter):        
+        DeclarationInfo.__init__(self, otherOption)
+        self._Attribute('name', name)
+        self._Attribute('include', include)
+        self._Attribute('exclude', False)
+        # create a FunctionExporter
+        exporter = exporter_class(InfoWrapper(self), tail)
+        self.AddExporter(exporter)
+
+
+#==============================================================================
+# ClassInfo
+#==============================================================================
+class ClassInfo(DeclarationInfo):
+
+    def __init__(self, name, include, tail=None, otherInfo=None,
+                 exporter_class = ClassExporter):
+        DeclarationInfo.__init__(self, otherInfo)
+        self._Attribute('name', name)
+        self._Attribute('include', include)
+        self._Attribute('exclude', False)
+        # create a ClassExporter
+        exporter = exporter_class(InfoWrapper(self), tail)
+        self.AddExporter(exporter)  
+        
+
+#==============================================================================
+# templates
+#==============================================================================
+def GenerateName(name, type_list):
+    name = name.replace('::', '_')
+    names = [name] + type_list
+    return makeid('_'.join(names))
+
+    
+class ClassTemplateInfo(DeclarationInfo):
+
+    def __init__(self, name, include,
+                 exporter_class = ClassExporter):
+        DeclarationInfo.__init__(self)
+        self._Attribute('name', name)
+        self._Attribute('include', include)
+        self._exporter_class = exporter_class
+
+
+    def Instantiate(self, type_list, rename=None):
+        if not rename:
+            rename = GenerateName(self._Attribute('name'), type_list)
+        # generate code to instantiate the template
+        types = ', '.join(type_list)
+        tail = 'typedef %s< %s > %s;\n' % (self._Attribute('name'), types, rename)
+        tail += 'void __instantiate_%s()\n' % rename
+        tail += '{ sizeof(%s); }\n\n' % rename
+        # create a ClassInfo
+        class_ = ClassInfo(rename, self._Attribute('include'), tail, self,
+                           exporter_class = self._exporter_class)
+        return class_
+
+
+    def __call__(self, types, rename=None):
+        if isinstance(types, str):
+            types = types.split() 
+        return self.Instantiate(types, rename)
+        
+#==============================================================================
+# EnumInfo
+#==============================================================================
+class EnumInfo(DeclarationInfo):
+    
+    def __init__(self, name, include, exporter_class = EnumExporter):
+        DeclarationInfo.__init__(self)
+        self._Attribute('name', name)
+        self._Attribute('include', include)
+        self._Attribute('exclude', False)
+        self._Attribute('export_values', False)
+        exporter = exporter_class(InfoWrapper(self))
+        self.AddExporter(exporter) 
+
+
+#==============================================================================
+# HeaderInfo
+#==============================================================================
+class HeaderInfo(DeclarationInfo):
+
+    def __init__(self, include, exporter_class = HeaderExporter):
+        warnings.warn('AllFromHeader is not working in all cases in the current version.')
+        DeclarationInfo.__init__(self)
+        self._Attribute('include', include)
+        exporter = exporter_class(InfoWrapper(self))
+        self.AddExporter(exporter) 
+
+
+#==============================================================================
+# VarInfo
+#==============================================================================
+class VarInfo(DeclarationInfo):
+    
+    def __init__(self, name, include, exporter_class = VarExporter):
+        DeclarationInfo.__init__(self)
+        self._Attribute('name', name)
+        self._Attribute('include', include)
+        exporter = exporter_class(InfoWrapper(self))
+        self.AddExporter(exporter) 
+        
+                                 
+#==============================================================================
+# CodeInfo                                 
+#==============================================================================
+class CodeInfo(DeclarationInfo):
+
+    def __init__(self, code, section, exporter_class = CodeExporter):
+        DeclarationInfo.__init__(self)
+        self._Attribute('code', code)
+        self._Attribute('section', section)
+        exporter = exporter_class(InfoWrapper(self))
+        self.AddExporter(exporter) 
+        
+
+#==============================================================================
+# InfoWrapper
+#==============================================================================
+class InfoWrapper:
+    'Provides a nicer interface for a info'
+
+    def __init__(self, info):
+        self.__dict__['_info'] = info # so __setattr__ is not called
+
+    def __getitem__(self, name):
+        return InfoWrapper(self._info[name])
+
+    def __getattr__(self, name):
+        return self._info._Attribute(name)
+
+    def __setattr__(self, name, value):
+        self._info._Attribute(name, value)
+
+
+#==============================================================================
+# Functions
+#==============================================================================
+def exclude(info):
+    info._Attribute('exclude', True)
+
+def set_policy(info, policy):
+    info._Attribute('policy', policy)
+
+def rename(info, name):
+    info._Attribute('rename', name)
+
+def set_wrapper(info, wrapper):
+    if isinstance(wrapper, str):
+        wrapper = FunctionWrapper(wrapper)
+    info._Attribute('wrapper', wrapper)
+
+def instantiate(template, types, rename=None):
+    if isinstance(types, str):
+        types = types.split()
+    return template.Instantiate(types, rename)
+
+def use_shared_ptr(info):
+    info._Attribute('smart_ptr', 'boost::shared_ptr< %s >')
+
+def use_auto_ptr(info):
+    info._Attribute('smart_ptr', 'std::auto_ptr< %s >')
+        
+def holder(info, function):
+    msg = "Expected a callable that accepts one string argument."
+    assert callable(function), msg
+    info._Attribute('holder', function)
+
+def add_method(info, name, rename=None):
+    added = info._Attribute('__added__')
+    if added is None:
+        info._Attribute('__added__', [(name, rename)])
+    else:
+        added.append((name, rename))
+
+
+def class_code(info, code):
+    added = info._Attribute('__code__')
+    if added is None:
+        info._Attribute('__code__', [code])
+    else:
+        added.append(code)
+ 
+def final(info):
+    info._Attribute('no_override', True)
+
+
+def export_values(info):
+    info._Attribute('export_values', True)