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57d64b111f
These follow GObject conventions, using `G_TYPE_CHECK_INSTANCE_CAST` to cast to the given type, and potentially performing some runtime checks of the type instance’s `GType` too. Signed-off-by: Philip Withnall <pwithnall@gnome.org> Fixes: #3216
118 lines
3.7 KiB
C
118 lines
3.7 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
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* GObject introspection: Function
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*
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* Copyright (C) 2005 Matthias Clasen
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* Copyright (C) 2008,2009 Red Hat, Inc.
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*
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* SPDX-License-Identifier: LGPL-2.1-or-later
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#pragma once
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#if !defined (__GIREPOSITORY_H_INSIDE__) && !defined (GI_COMPILATION)
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#error "Only <girepository.h> can be included directly."
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#endif
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#include <girepository/gitypes.h>
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G_BEGIN_DECLS
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#define GI_TYPE_FUNCTION_INFO (gi_function_info_get_type ())
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/**
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* GI_FUNCTION_INFO:
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* @info: Info object which is subject to casting.
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*
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* Casts a [type@GIRepository.FunctionInfo] or derived pointer into a
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* `(GIFunctionInfo*)` pointer.
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*
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* Depending on the current debugging level, this function may invoke
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* certain runtime checks to identify invalid casts.
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*
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* Since: 2.80
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*/
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#define GI_FUNCTION_INFO(info) (G_TYPE_CHECK_INSTANCE_CAST ((info), GI_TYPE_FUNCTION_INFO, GIFunctionInfo))
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/**
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* GI_IS_FUNCTION_INFO:
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* @info: an info structure
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*
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* Checks if @info is a [class@GIRepository.FunctionInfo] (or a derived type).
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*
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* Since: 2.80
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*/
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#define GI_IS_FUNCTION_INFO(info) (G_TYPE_CHECK_INSTANCE_TYPE ((info), GI_TYPE_FUNCTION_INFO))
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GI_AVAILABLE_IN_ALL
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const char * gi_function_info_get_symbol (GIFunctionInfo *info);
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GI_AVAILABLE_IN_ALL
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GIFunctionInfoFlags gi_function_info_get_flags (GIFunctionInfo *info);
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GI_AVAILABLE_IN_ALL
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GIPropertyInfo * gi_function_info_get_property (GIFunctionInfo *info);
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GI_AVAILABLE_IN_ALL
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GIVFuncInfo * gi_function_info_get_vfunc (GIFunctionInfo *info);
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/**
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* GI_INVOKE_ERROR:
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*
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* Type quark function for [enum@GIRepository.InvokeError].
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*
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* Since: 2.80
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*/
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#define GI_INVOKE_ERROR (gi_invoke_error_quark ())
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GI_AVAILABLE_IN_ALL
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GQuark gi_invoke_error_quark (void);
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/**
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* GIInvokeError:
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* @GI_INVOKE_ERROR_FAILED: invocation failed, unknown error.
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* @GI_INVOKE_ERROR_SYMBOL_NOT_FOUND: symbol couldn’t be found in any of the
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* libraries associated with the typelib of the function.
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* @GI_INVOKE_ERROR_ARGUMENT_MISMATCH: the arguments provided didn’t match
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* the expected arguments for the function’s type signature.
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*
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* An error occurring while invoking a function via
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* [method@GIRepository.FunctionInfo.invoke].
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*
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* Since: 2.80
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*/
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typedef enum
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{
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GI_INVOKE_ERROR_FAILED,
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GI_INVOKE_ERROR_SYMBOL_NOT_FOUND,
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GI_INVOKE_ERROR_ARGUMENT_MISMATCH
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} GIInvokeError;
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GI_AVAILABLE_IN_ALL
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gboolean gi_function_info_invoke (GIFunctionInfo *info,
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const GIArgument *in_args,
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size_t n_in_args,
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GIArgument *out_args,
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size_t n_out_args,
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GIArgument *return_value,
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GError **error);
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G_END_DECLS
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