Ejemplo n.º 1
0
 def setUp(self):
     super(TestTypeInjection, self).setUp()
     compilation_options = Main.CompilationOptions(Main.default_options)
     ctx = compilation_options.create_context()
     transform = InterpretCompilerDirectives(ctx, ctx.compiler_directives)
     transform.module_scope = Symtab.ModuleScope('__main__', None, ctx)
     self.declarations_finder = DeclarationsFinder()
     self.pipeline = [NormalizeTree(None), transform, self.declarations_finder]
Ejemplo n.º 2
0
    def setUp(self):
        super(TestInterpretCompilerDirectives, self).setUp()

        compilation_options = Main.CompilationOptions(Main.default_options)
        ctx = compilation_options.create_context()

        transform = InterpretCompilerDirectives(ctx, ctx.compiler_directives)
        transform.module_scope = Symtab.ModuleScope('__main__', None, ctx)
        self.pipeline = [transform]

        self.debug_exception_on_error = DebugFlags.debug_exception_on_error
Ejemplo n.º 3
0
Archivo: Buffer.py Proyecto: pv/cython
    def handle_scope(self, node, scope):
        # For all buffers, insert extra variables in the scope.
        # The variables are also accessible from the buffer_info
        # on the buffer entry
        bufvars = [
            entry for name, entry in scope.entries.iteritems()
            if entry.type.is_buffer
        ]
        if len(bufvars) > 0:
            bufvars.sort(key=lambda entry: entry.name)
            self.buffers_exists = True

        memviewslicevars = [
            entry for name, entry in scope.entries.iteritems()
            if entry.type.is_memoryviewslice
        ]
        if len(memviewslicevars) > 0:
            self.buffers_exists = True

        for (name, entry) in scope.entries.iteritems():
            if name == 'memoryview' and isinstance(
                    entry.utility_code_definition, CythonUtilityCode):
                self.using_memoryview = True
                break

        if isinstance(node, ModuleNode) and len(bufvars) > 0:
            # for now...note that pos is wrong
            raise CompileError(node.pos,
                               "Buffer vars not allowed in module scope")
        for entry in bufvars:
            if entry.type.dtype.is_ptr:
                raise CompileError(
                    node.pos, "Buffers with pointer types not yet supported.")

            name = entry.name
            buftype = entry.type
            if buftype.ndim > Options.buffer_max_dims:
                raise CompileError(
                    node.pos,
                    "Buffer ndims exceeds Options.buffer_max_dims = %d" %
                    Options.buffer_max_dims)
            if buftype.ndim > self.max_ndim:
                self.max_ndim = buftype.ndim

            # Declare auxiliary vars
            def decvar(type, prefix):
                cname = scope.mangle(prefix, name)
                aux_var = scope.declare_var(name=None,
                                            cname=cname,
                                            type=type,
                                            pos=node.pos)
                if entry.is_arg:
                    aux_var.used = True  # otherwise, NameNode will mark whether it is used

                return aux_var

            auxvars = ((PyrexTypes.c_pyx_buffer_nd_type,
                        Naming.pybuffernd_prefix),
                       (PyrexTypes.c_pyx_buffer_type,
                        Naming.pybufferstruct_prefix))
            pybuffernd, rcbuffer = [
                decvar(type, prefix) for (type, prefix) in auxvars
            ]

            entry.buffer_aux = Symtab.BufferAux(pybuffernd, rcbuffer)

        scope.buffer_entries = bufvars
        self.scope = scope