tor-android/external/badvpn_dns/ncd/NCDInterpProcess.h

101 lines
4.5 KiB
C

/**
* @file NCDInterpProcess.h
* @author Ambroz Bizjak <ambrop7@gmail.com>
*
* @section LICENSE
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the author nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef BADVPN_NCDINTERPPROCESS_H
#define BADVPN_NCDINTERPPROCESS_H
#include <stddef.h>
#include <misc/debug.h>
#include <base/DebugObject.h>
#include <ncd/NCDAst.h>
#include <ncd/NCDVal.h>
#include <ncd/NCDPlaceholderDb.h>
#include <ncd/NCDModule.h>
#include <ncd/NCDModuleIndex.h>
#include <ncd/NCDStringIndex.h>
struct NCDInterpProcess__stmt {
NCD_string_id_t name;
NCD_string_id_t cmdname;
NCD_string_id_t *objnames;
size_t num_objnames;
union {
const struct NCDInterpModule *simple_module;
int method_name_id;
} binding;
NCDValMem arg_mem;
NCDValSafeRef arg_ref;
NCDValReplaceProg arg_prog;
int alloc_size;
int prealloc_offset;
int hash_next;
};
/**
* A data structure which contains information about a process or
* template, suitable for efficient interpretation. These structures
* are built at startup from the program AST for all processes and
* templates by \link NCDInterpProg. They are not modified after
* the program is loaded Inn case of template processes, the same
* NCDInterpProcess is shared by all processes created from the same
* template.
*/
typedef struct {
struct NCDInterpProcess__stmt *stmts;
char *name;
int num_stmts;
int prealloc_size;
int is_template;
int *hash_buckets;
size_t num_hash_buckets;
void *cache;
DebugObject d_obj;
} NCDInterpProcess;
int NCDInterpProcess_Init (NCDInterpProcess *o, NCDProcess *process, NCDStringIndex *string_index, NCDPlaceholderDb *pdb, NCDModuleIndex *module_index) WARN_UNUSED;
void NCDInterpProcess_Free (NCDInterpProcess *o);
int NCDInterpProcess_FindStatement (NCDInterpProcess *o, int from_index, NCD_string_id_t name);
const char * NCDInterpProcess_StatementCmdName (NCDInterpProcess *o, int i, NCDStringIndex *string_index);
void NCDInterpProcess_StatementObjNames (NCDInterpProcess *o, int i, const NCD_string_id_t **out_objnames, size_t *out_num_objnames);
const struct NCDInterpModule * NCDInterpProcess_StatementGetSimpleModule (NCDInterpProcess *o, int i, NCDStringIndex *string_index, NCDModuleIndex *module_index);
const struct NCDInterpModule * NCDInterpProcess_StatementGetMethodModule (NCDInterpProcess *o, int i, NCD_string_id_t obj_type, NCDModuleIndex *module_index);
int NCDInterpProcess_CopyStatementArgs (NCDInterpProcess *o, int i, NCDValMem *out_valmem, NCDValRef *out_val, NCDValReplaceProg *out_prog) WARN_UNUSED;
void NCDInterpProcess_StatementBumpAllocSize (NCDInterpProcess *o, int i, int alloc_size);
int NCDInterpProcess_PreallocSize (NCDInterpProcess *o);
int NCDInterpProcess_StatementPreallocSize (NCDInterpProcess *o, int i);
int NCDInterpProcess_StatementPreallocOffset (NCDInterpProcess *o, int i);
const char * NCDInterpProcess_Name (NCDInterpProcess *o);
int NCDInterpProcess_IsTemplate (NCDInterpProcess *o);
int NCDInterpProcess_NumStatements (NCDInterpProcess *o);
int NCDInterpProcess_CachePush (NCDInterpProcess *o, void *elem) WARN_UNUSED;
void * NCDInterpProcess_CachePull (NCDInterpProcess *o);
#endif