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+/**************************************************************************
+ *
+ * Copyright 2009 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#ifndef SL_PP_CONTEXT_H
+#define SL_PP_CONTEXT_H
+
+#include "sl_pp_dict.h"
+#include "sl_pp_macro.h"
+#include "sl_pp_process.h"
+#include "sl_pp_purify.h"
+#include "sl_pp_token_util.h"
+
+
+#define SL_PP_MAX_IF_NESTING 64
+
+#define SL_PP_MAX_ERROR_MSG 1024
+
+#define SL_PP_MAX_EXTENSIONS 16
+
+#define SL_PP_MAX_PREDEFINED 16
+
+struct sl_pp_extension {
+ int name; /*< GL_VENDOR_extension_name */
+};
+
+struct sl_pp_predefined {
+ int name;
+ int value;
+};
+
+union sl_pp_if_state {
+ struct {
+ unsigned int condition:1;
+ unsigned int went_thru_else:1;
+ unsigned int had_true_cond:1;
+ } u;
+ unsigned int value;
+};
+
+struct sl_pp_context {
+ char *cstr_pool;
+ unsigned int cstr_pool_max;
+ unsigned int cstr_pool_len;
+ struct sl_pp_dict dict;
+
+ struct sl_pp_macro *macro;
+ struct sl_pp_macro **macro_tail;
+
+ struct sl_pp_extension extensions[SL_PP_MAX_EXTENSIONS];
+ unsigned int num_extensions;
+
+ struct sl_pp_predefined predefined[SL_PP_MAX_PREDEFINED];
+ unsigned int num_predefined;
+
+ union sl_pp_if_state if_stack[SL_PP_MAX_IF_NESTING];
+ unsigned int if_ptr;
+ unsigned int if_value;
+
+ char error_msg[SL_PP_MAX_ERROR_MSG];
+ unsigned int error_line;
+
+ unsigned int line;
+ unsigned int file;
+
+ struct sl_pp_purify_state pure;
+
+ char *getc_buf;
+ unsigned int getc_buf_size;
+ unsigned int getc_buf_capacity;
+
+ struct sl_pp_token_buffer tokens;
+
+ struct sl_pp_process_state process_state;
+};
+
+#endif /* SL_PP_CONTEXT_H */