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