836 lines
26 KiB
C++
836 lines
26 KiB
C++
/**
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* vim: set ts=4 :
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* ================================================================
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* SourcePawn, Copyright (C) 2004-2007 AlliedModders LLC.
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* All rights reserved.
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* ================================================================
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*
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* This file is part of the SourceMod/SourcePawn SDK. This file may only be
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* used or modified under the Terms and Conditions of its License Agreement,
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* which is found in public/licenses/LICENSE.txt. As of this notice, derivative
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* works must be licensed under the GNU General Public License (version 2 or
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* greater). A copy of the GPL is included under public/licenses/GPL.txt.
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*
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* To view the latest information, see: http://www.sourcemod.net/license.php
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*
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* Version: $Id$
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*/
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#ifndef _INCLUDE_SOURCEPAWN_VM_API_H_
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#define _INCLUDE_SOURCEPAWN_VM_API_H_
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/**
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* @file sp_vm_api.h
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* @brief Contains all of the object structures used in the SourcePawn API.
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*/
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#include <stdio.h>
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#include "sp_vm_types.h"
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/** SourcePawn VM API Version */
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#define SOURCEPAWN_VM_API_VERSION 1
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#if defined SOURCEMOD_BUILD
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namespace SourceMod
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{
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struct IdentityToken_t;
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};
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#endif
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namespace SourcePawn
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{
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class IVirtualMachine;
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#define SM_PARAM_COPYBACK (1<<0) /**< Copy an array/reference back after call */
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#define SM_PARAM_STRING_UTF8 (1<<0) /**< String should be UTF-8 handled */
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#define SM_PARAM_STRING_COPY (1<<1) /**< String should be copied into the plugin */
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/**
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* @brief Represents what a function needs to implement in order to be callable.
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*/
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class ICallable
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{
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public:
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/**
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* @brief Pushes a cell onto the current call.
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*
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* @param cell Parameter value to push.
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* @return Error code, if any.
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*/
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virtual int PushCell(cell_t cell) =0;
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/**
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* @brief Pushes a cell by reference onto the current call.
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* NOTE: On Execute, the pointer passed will be modified if copyback is enabled.
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* NOTE: By reference parameters are cached and thus are not read until execution.
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* This means you cannot push a pointer, change it, and push it again and expect
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* two different values to come out.
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*
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* @param cell Address containing parameter value to push.
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* @param flags Copy-back flags.
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* @return Error code, if any.
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*/
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virtual int PushCellByRef(cell_t *cell, int flags) =0;
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/**
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* @brief Pushes a float onto the current call.
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*
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* @param number Parameter value to push.
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* @return Error code, if any.
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*/
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virtual int PushFloat(float number) =0;
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/**
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* @brief Pushes a float onto the current call by reference.
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* NOTE: On Execute, the pointer passed will be modified if copyback is enabled.
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* NOTE: By reference parameters are cached and thus are not read until execution.
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* This means you cannot push a pointer, change it, and push it again and expect
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* two different values to come out.
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*
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* @param number Parameter value to push.
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& @param flags Copy-back flags.
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* @return Error code, if any.
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*/
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virtual int PushFloatByRef(float *number, int flags) =0;
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/**
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* @brief Pushes an array of cells onto the current call.
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* NOTE: On Execute, the pointer passed will be modified if non-NULL and copy-back
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* is enabled.
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* NOTE: By reference parameters are cached and thus are not read until execution.
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* This means you cannot push a pointer, change it, and push it again and expect
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* two different values to come out.
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*
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* @param inarray Array to copy, NULL if no initial array should be copied.
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* @param cells Number of cells to allocate and optionally read from the input array.
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* @param phys_addr Optional return address for physical array, if one was made.
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* @param flags Whether or not changes should be copied back to the input array.
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* @return Error code, if any.
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*/
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virtual int PushArray(cell_t *inarray,
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unsigned int cells,
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cell_t **phys_addr,
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int flags=0) =0;
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/**
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* @brief Pushes a string onto the current call.
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*
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* @param string String to push.
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* @return Error code, if any.
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*/
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virtual int PushString(const char *string) =0;
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/**
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* @brief Pushes a string or string buffer.
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* NOTE: On Execute, the pointer passed will be modified if copy-back is enabled.
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*
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* @param buffer Pointer to string buffer.
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* @param length Length of buffer.
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* @param sz_flags String flags.
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* @param cp_flags Copy-back flags.
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* @return Error code, if any.
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*/
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virtual int PushStringEx(char *buffer, size_t length, int sz_flags, int cp_flags) =0;
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/**
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* @brief Cancels a function call that is being pushed but not yet executed.
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* This can be used be reset for CallFunction() use.
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*/
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virtual void Cancel() =0;
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};
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/**
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* @brief Encapsulates a function call in a plugin.
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*
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* NOTE: Function calls must be atomic to one execution context.
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* NOTE: This object should not be deleted. It lives for the lifetime of the plugin.
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*/
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class IPluginFunction : public ICallable
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{
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public:
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/**
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* @brief Executes the forward, resets the pushed parameter list, and performs any copybacks.
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*
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* @param result Pointer to store return value in.
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* @return Error code, if any.
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*/
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virtual int Execute(cell_t *result) =0;
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/**
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* @brief Executes the function with the given parameter array.
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* Parameters are read in forward order (i.e. index 0 is parameter #1)
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* NOTE: You will get an error if you attempt to use CallFunction() with
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* previously pushed parameters.
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*
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* @param params Array of cell parameters.
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* @param num_params Number of parameters to push.
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* @param result Pointer to store result of function on return.
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* @return SourcePawn error code (if any).
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*/
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virtual int CallFunction(const cell_t *params, unsigned int num_params, cell_t *result) =0;
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/**
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* @brief Returns which plugin this function belongs to.
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*
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* @return IPluginContext pointer to parent plugin.
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*/
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virtual IPluginContext *GetParentContext() =0;
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/**
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* @brief Returns the physical address of a by-reference parameter.
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*
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* @param param Parameter index to read (beginning at 0).
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* @return Address, or NULL if invalid parameter specified.
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*/
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virtual cell_t *GetAddressOfPushedParam(unsigned int param) =0;
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};
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/**
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* @brief Interface to managing a debug context at runtime.
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*/
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class IPluginDebugInfo
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{
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public:
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/**
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* @brief Given a code pointer, finds the file it is associated with.
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*
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* @param addr Code address offset.
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* @param filename Pointer to store filename pointer in.
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*/
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virtual int LookupFile(ucell_t addr, const char **filename) =0;
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/**
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* @brief Given a code pointer, finds the function it is associated with.
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*
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* @param addr Code address offset.
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* @param name Pointer to store function name pointer in.
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*/
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virtual int LookupFunction(ucell_t addr, const char **name) =0;
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/**
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* @brief Given a code pointer, finds the line it is associated with.
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*
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* @param addr Code address offset.
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* @param line Pointer to store line number in.
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*/
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virtual int LookupLine(ucell_t addr, uint32_t *line) =0;
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};
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/**
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* @brief Interface to managing a context at runtime.
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*/
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class IPluginContext
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{
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public:
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/** Virtual destructr */
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virtual ~IPluginContext() { };
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public:
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/**
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* @brief Returns the parent IVirtualMachine.
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*
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* @return Parent virtual machine pointer.
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*/
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virtual IVirtualMachine *GetVirtualMachine() =0;
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/**
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* @brief Returns the child sp_context_t structure.
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*
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* @return Child sp_context_t structure.
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*/
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virtual sp_context_t *GetContext() =0;
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/**
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* @brief Returns true if the plugin is in debug mode.
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*
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* @return True if in debug mode, false otherwise.
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*/
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virtual bool IsDebugging() =0;
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/**
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* @brief Installs a debug break and returns the old one, if any.
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* This will fail if the plugin is not debugging.
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*
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* @param newpfn New function pointer.
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* @param oldpfn Pointer to retrieve old function pointer.
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*/
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virtual int SetDebugBreak(SPVM_DEBUGBREAK newpfn, SPVM_DEBUGBREAK *oldpfn) =0;
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/**
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* @brief Returns debug info.
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*
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* @return IPluginDebugInfo, or NULL if no debug info found.
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*/
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virtual IPluginDebugInfo *GetDebugInfo() =0;
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/**
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* @brief Allocs memory on the secondary stack of a plugin.
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* Note that although called a heap, it is in fact a stack.
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*
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* @param cells Number of cells to allocate.
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* @param local_addr Will be filled with data offset to heap.
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* @param phys_addr Physical address to heap memory.
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*/
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virtual int HeapAlloc(unsigned int cells, cell_t *local_addr, cell_t **phys_addr) =0;
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/**
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* @brief Pops a heap address off the heap stack. Use this to free memory allocated with
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* SP_HeapAlloc().
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* Note that in SourcePawn, the heap is in fact a bottom-up stack. Deallocations
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* with this native should be performed in precisely the REVERSE order.
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*
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* @param local_addr Local address to free.
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*/
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virtual int HeapPop(cell_t local_addr) =0;
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/**
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* @brief Releases a heap address using a different method than SP_HeapPop().
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* This allows you to release in any order. However, if you allocate N
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* objects, release only some of them, then begin allocating again,
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* you cannot go back and starting freeing the originals.
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* In other words, for each chain of allocations, if you start deallocating,
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* then allocating more in a chain, you must only deallocate from the current
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* allocation chain. This is basically HeapPop() except on a larger scale.
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*
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* @param local_addr Local address to free.
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*/
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virtual int HeapRelease(cell_t local_addr) =0;
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/**
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* @brief Finds a native by name.
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*
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* @param name Name of native.
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* @param index Optionally filled with native index number.
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*/
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virtual int FindNativeByName(const char *name, uint32_t *index) =0;
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/**
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* @brief Gets native info by index.
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*
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* @param index Index number of native.
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* @param native Optionally filled with pointer to native structure.
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*/
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virtual int GetNativeByIndex(uint32_t index, sp_native_t **native) =0;
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/**
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* @brief Gets the number of natives.
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*
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* @return Filled with the number of natives.
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*/
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virtual uint32_t GetNativesNum() =0;
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/**
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* @brief Finds a public function by name.
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*
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* @param name Name of public
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* @param index Optionally filled with public index number.
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*/
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virtual int FindPublicByName(const char *name, uint32_t *index) =0;
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/**
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* @brief Gets public function info by index.
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*
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* @param index Public function index number.
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* @param publicptr Optionally filled with pointer to public structure.
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*/
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virtual int GetPublicByIndex(uint32_t index, sp_public_t **publicptr) =0;
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/**
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* @brief Gets the number of public functions.
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*
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* @return Filled with the number of public functions.
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*/
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virtual uint32_t GetPublicsNum() =0;
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/**
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* @brief Gets public variable info by index.
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*
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* @param index Public variable index number.
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* @param pubvar Optionally filled with pointer to pubvar structure.
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*/
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virtual int GetPubvarByIndex(uint32_t index, sp_pubvar_t **pubvar) =0;
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/**
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* @brief Finds a public variable by name.
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*
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* @param name Name of pubvar
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* @param index Optionally filled with pubvar index number.
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*/
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virtual int FindPubvarByName(const char *name, uint32_t *index) =0;
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/**
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* @brief Gets the addresses of a public variable.
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*
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* @param index Index of public variable.
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* @param local_addr Address to store local address in.
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* @param phys_addr Address to store physically relocated in.
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*/
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virtual int GetPubvarAddrs(uint32_t index, cell_t *local_addr, cell_t **phys_addr) =0;
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/**
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* @brief Returns the number of public variables.
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*
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* @return Number of public variables.
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*/
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virtual uint32_t GetPubVarsNum() =0;
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/**
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* @brief Round-about method of converting a plugin reference to a physical address
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*
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* @param local_addr Local address in plugin.
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* @param phys_addr Optionally filled with relocated physical address.
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*/
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virtual int LocalToPhysAddr(cell_t local_addr, cell_t **phys_addr) =0;
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/**
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* @brief Converts a local address to a physical string.
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*
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* @param local_addr Local address in plugin.
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* @param addr Destination output pointer.
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*/
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virtual int LocalToString(cell_t local_addr, char **addr) =0;
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/**
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* @brief Converts a physical string to a local address.
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*
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* @param local_addr Local address in plugin.
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* @param bytes Number of chars to write, including NULL terminator.
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* @param source Source string to copy.
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*/
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virtual int StringToLocal(cell_t local_addr, size_t bytes, const char *source) =0;
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/**
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* @brief Converts a physical UTF-8 string to a local address.
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* This function is the same as the ANSI version, except it will copy the maximum number of characters possible
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* without accidentally chopping a multi-byte character.
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*
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* @param local_addr Local address in plugin.
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* @param maxbytes Number of bytes to write, including NULL terminator.
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* @param source Source string to copy.
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* @param wrtnbytes Optionally set to the number of actual bytes written.
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*/
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virtual int StringToLocalUTF8(cell_t local_addr,
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size_t maxbytes,
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const char *source,
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size_t *wrtnbytes) =0;
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/**
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* @brief Pushes a cell onto the stack. Increases the parameter count by one.
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*
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* @param value Cell value.
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*/
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virtual int PushCell(cell_t value) =0;
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/**
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* @brief Pushes an array of cells onto the stack. Increases the parameter count by one.
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* If the function returns an error it will fail entirely, releasing anything allocated in the process.
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* Note that this does not release the heap, so you should release it after
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* calling Execute().
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*
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* @param local_addr Filled with local address to release.
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* @param phys_addr Optionally filled with physical address of new array.
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* @param array Cell array to copy.
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* @param numcells Number of cells in the array to copy.
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*/
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virtual int PushCellArray(cell_t *local_addr, cell_t **phys_addr, cell_t array[], unsigned int numcells) =0;
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/**
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* @brief Pushes a string onto the stack (by reference) and increases the parameter count by one.
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* Note that this does not release the heap, so you should release it after
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* calling Execute().
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*
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* @param local_addr Filled with local address to release.
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* @param phys_addr Optionally filled with physical address of new array.
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* @param string Source string to push.
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*/
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virtual int PushString(cell_t *local_addr, char **phys_addr, const char *string) =0;
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/**
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* @brief Individually pushes each cell of an array of cells onto the stack. Increases the
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* parameter count by the number of cells pushed.
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* If the function returns an error it will fail entirely, releasing anything allocated in the process.
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*
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* @param array Array of cells to read from.
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* @param numcells Number of cells to read.
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*/
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virtual int PushCellsFromArray(cell_t array[], unsigned int numcells) =0;
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/**
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* @brief Binds a list of native names and their function pointers to a context.
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* If num is 0, the list is read until an entry with a NULL name is reached.
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* If overwrite is non-zero, already registered natives will be overwritten.
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*
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* @param natives Array of natives.
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* @param num Number of natives in array.
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* @param overwrite Toggles overwrite.
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*/
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virtual int BindNatives(const sp_nativeinfo_t *natives, unsigned int num, int overwrite) =0;
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/**
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* @brief Binds a single native. Overwrites any existing bind.
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* If the context does not contain the native that will be binded the function will return
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* with a SP_ERROR_NOT_FOUND error.
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*
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* @param native Pointer to native.
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*/
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virtual int BindNative(const sp_nativeinfo_t *native) =0;
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/**
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* @brief Binds a single native to any non-registered native.
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*
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* @param native Native to bind.
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*/
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virtual int BindNativeToAny(SPVM_NATIVE_FUNC native) =0;
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/**
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* @brief Executes a function ID located in this context.
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*
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* @param code_addr Address to execute at.
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* @param result Pointer to store the return value (required).
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* @return Error code (if any) from the VM.
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*/
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virtual int Execute(uint32_t code_addr, cell_t *result) =0;
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/**
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* @brief Throws a error and halts any current execution.
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*
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* @param error The error number to set.
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* @param msg Custom error message format. NULL to use default.
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* @param ... Message format arguments, if any.
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*/
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virtual void ThrowNativeErrorEx(int error, const char *msg, ...) =0;
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/**
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* @brief Throws a generic native error and halts any current execution.
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*
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* @param msg Custom error message format. NULL to set no message.
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* @param ... Message format arguments, if any.
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* @return 0 for convenience.
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*/
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virtual cell_t ThrowNativeError(const char *msg, ...) =0;
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/**
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* @brief Returns a function by name.
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*
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* @param public_name Name of the function.
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* @return A new IPluginFunction pointer, NULL if not found.
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*/
|
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virtual IPluginFunction *GetFunctionByName(const char *public_name) =0;
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|
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/**
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* @brief Returns a function by its id.
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*
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|
* @param func_id Function ID.
|
|
* @return A new IPluginFunction pointer, NULL if not found.
|
|
*/
|
|
virtual IPluginFunction *GetFunctionById(funcid_t func_id) =0;
|
|
|
|
#if defined SOURCEMOD_BUILD
|
|
/**
|
|
* @brief Returns the identity token for this context.
|
|
* Note: This is a helper function for native calls and the Handle System.
|
|
*
|
|
* @return Identity token.
|
|
*/
|
|
virtual SourceMod::IdentityToken_t *GetIdentity() =0;
|
|
|
|
/**
|
|
* @brief Returns whether the identity is runnable.
|
|
*
|
|
* @return True if runnable, false otherwise.
|
|
*/
|
|
virtual bool IsRunnable() =0;
|
|
#endif
|
|
};
|
|
|
|
|
|
/**
|
|
* @brief Information about a position in a call stack.
|
|
*/
|
|
struct CallStackInfo
|
|
{
|
|
const char *filename; /**< NULL if not found */
|
|
unsigned int line; /**< 0 if not found */
|
|
const char *function; /**< NULL if not found */
|
|
};
|
|
|
|
/**
|
|
* @brief Retrieves error information from a debug hook.
|
|
*/
|
|
class IContextTrace
|
|
{
|
|
public:
|
|
/**
|
|
* @brief Returns the integer error code.
|
|
*
|
|
* @return Integer error code.
|
|
*/
|
|
virtual int GetErrorCode() =0;
|
|
|
|
/**
|
|
* @brief Returns a string describing the error.
|
|
*
|
|
* @return Error string.
|
|
*/
|
|
virtual const char *GetErrorString() =0;
|
|
|
|
/**
|
|
* @brief Returns whether debug info is available.
|
|
*
|
|
* @return True if debug info is available, false otherwise.
|
|
*/
|
|
virtual bool DebugInfoAvailable() =0;
|
|
|
|
/**
|
|
* @brief Returns a custom error message.
|
|
*
|
|
* @return A pointer to a custom error message, or NULL otherwise.
|
|
*/
|
|
virtual const char *GetCustomErrorString() =0;
|
|
|
|
/**
|
|
* @brief Returns trace info for a specific point in the backtrace, if any.
|
|
* The next subsequent call to GetTraceInfo() will return the next item in the call stack.
|
|
* Calls are retrieved in descending order (i.e. the first item is at the top of the stack/call sequence).
|
|
*
|
|
* @param trace An ErrorTraceInfo buffer to store information (NULL to ignore).
|
|
* @return True if successful, false if there are no more traces.
|
|
*/
|
|
virtual bool GetTraceInfo(CallStackInfo *trace) =0;
|
|
|
|
/**
|
|
* @brief Resets the trace to its original position (the call on the top of the stack).
|
|
*/
|
|
virtual void ResetTrace() =0;
|
|
|
|
/**
|
|
* @brief Retrieves the name of the last native called.
|
|
* Returns NULL if there was no native that caused the error.
|
|
*
|
|
* @param index Optional pointer to store index.
|
|
* @return Native name, or NULL if none.
|
|
*/
|
|
virtual const char *GetLastNative(uint32_t *index) =0;
|
|
};
|
|
|
|
|
|
/**
|
|
* @brief Provides callbacks for debug information.
|
|
*/
|
|
class IDebugListener
|
|
{
|
|
public:
|
|
virtual void OnContextExecuteError(IPluginContext *ctx, IContextTrace *error) =0;
|
|
};
|
|
|
|
|
|
/**
|
|
* @brief Contains helper functions used by VMs and the host app
|
|
*/
|
|
class ISourcePawnEngine
|
|
{
|
|
public:
|
|
/**
|
|
* @brief Loads a named file from a file pointer.
|
|
* Note: Using this means the memory will be allocated by the VM.
|
|
*
|
|
* @param fp File pointer. May be at any offset. Not closed on return.
|
|
* @param err Optional error code pointer.
|
|
* @return A new plugin structure.
|
|
*/
|
|
virtual sp_plugin_t *LoadFromFilePointer(FILE *fp, int *err) =0;
|
|
|
|
/**
|
|
* @brief Loads a file from a base memory address.
|
|
*
|
|
* @param base Base address of the plugin's memory region.
|
|
* @param plugin If NULL, a new plugin pointer is returned.
|
|
* Otherwise, the passed pointer is used.
|
|
* @param err Optional error code pointer.
|
|
* @return The resulting plugin pointer.
|
|
*/
|
|
virtual sp_plugin_t *LoadFromMemory(void *base, sp_plugin_t *plugin, int *err) =0;
|
|
|
|
/**
|
|
* Frees all of the memory associated with a plugin file.
|
|
* If allocated using SP_LoadFromMemory, the base and plugin pointer
|
|
* itself are not freed (so this may end up doing nothing).
|
|
*/
|
|
virtual int FreeFromMemory(sp_plugin_t *plugin) =0;
|
|
|
|
/**
|
|
* @brief Allocates large blocks of temporary memory.
|
|
*
|
|
* @param size Size of memory to allocate.
|
|
* @return Pointer to memory, NULL if allocation failed.
|
|
*/
|
|
virtual void *BaseAlloc(size_t size) =0;
|
|
|
|
/**
|
|
* @brief Frees memory allocated with BaseAlloc.
|
|
*
|
|
* @param memory Memory address to free.
|
|
*/
|
|
virtual void BaseFree(void *memory) =0;
|
|
|
|
/**
|
|
* @brief Allocates executable memory.
|
|
*
|
|
* @param size Size of memory to allocate.
|
|
* @return Pointer to memory, NULL if allocation failed.
|
|
*/
|
|
virtual void *ExecAlloc(size_t size) =0;
|
|
|
|
/**
|
|
* @brief Frees executable memory.
|
|
*
|
|
* @param address Address to free.
|
|
*/
|
|
virtual void ExecFree(void *address) =0;
|
|
|
|
/**
|
|
* @brief Sets the debug listener. This should only be called once.
|
|
* If called successively (using manual chaining), only the last function should
|
|
* attempt to call back into the same plugin. Otherwise, globally cached states
|
|
* can be accidentally overwritten.
|
|
*
|
|
* @param listener Pointer to an IDebugListener.
|
|
* @return Old IDebugListener, or NULL if none.
|
|
*/
|
|
virtual IDebugListener *SetDebugListener(IDebugListener *listener) =0;
|
|
|
|
/**
|
|
* @brief Returns the number of plugins on the call stack.
|
|
*
|
|
* @return Number of contexts in the call stack.
|
|
*/
|
|
virtual unsigned int GetContextCallCount() =0;
|
|
};
|
|
|
|
|
|
/**
|
|
* @brief Dummy class for encapsulating private compilation data.
|
|
*/
|
|
class ICompilation
|
|
{
|
|
public:
|
|
/** Virtual destructor */
|
|
virtual ~ICompilation() { };
|
|
};
|
|
|
|
|
|
/**
|
|
* @brief Outlines the interface a Virtual Machine (JIT) must expose
|
|
*/
|
|
class IVirtualMachine
|
|
{
|
|
public:
|
|
/**
|
|
* @brief Returns the current API version.
|
|
*/
|
|
virtual unsigned int GetAPIVersion() =0;
|
|
|
|
/**
|
|
* @brief Returns the string name of a VM implementation.
|
|
*/
|
|
virtual const char *GetVMName() =0;
|
|
|
|
/**
|
|
* @brief Begins a new compilation
|
|
*
|
|
* @param plugin Pointer to a plugin structure.
|
|
* @return New compilation pointer.
|
|
*/
|
|
virtual ICompilation *StartCompilation(sp_plugin_t *plugin) =0;
|
|
|
|
/**
|
|
* @brief Sets a compilation option.
|
|
*
|
|
* @param co Pointer to a compilation.
|
|
* @param key Option key name.
|
|
* @param val Option value string.
|
|
* @return True if option could be set, false otherwise.
|
|
*/
|
|
virtual bool SetCompilationOption(ICompilation *co, const char *key, const char *val) =0;
|
|
|
|
/**
|
|
* @brief Finalizes a compilation into a new sp_context_t.
|
|
* Note: This will free the ICompilation pointer.
|
|
*
|
|
* @param co Compilation pointer.
|
|
* @param err Filled with error code on exit.
|
|
* @return New plugin context.
|
|
*/
|
|
virtual sp_context_t *CompileToContext(ICompilation *co, int *err) =0;
|
|
|
|
/**
|
|
* @brief Aborts a compilation and frees the ICompilation pointer.
|
|
*
|
|
* @param co Compilation pointer.
|
|
*/
|
|
virtual void AbortCompilation(ICompilation *co) =0;
|
|
|
|
/**
|
|
* @brief Frees any internal variable usage on a context.
|
|
*
|
|
* @param ctx Context structure pointer.
|
|
*/
|
|
virtual void FreeContext(sp_context_t *ctx) =0;
|
|
|
|
/**
|
|
* @brief Calls the "execute" function on a context.
|
|
*
|
|
* @param ctx Executes a function in a context.
|
|
* @param code_addr Index into the code section.
|
|
* @param result Pointer to store result into.
|
|
* @return Error code (if any).
|
|
*/
|
|
virtual int ContextExecute(sp_context_t *ctx, uint32_t code_addr, cell_t *result) =0;
|
|
|
|
/**
|
|
* @brief Given a context and a code address, returns the index of the function.
|
|
*
|
|
* @param ctx Context to search.
|
|
* @param code_addr Index into the code section.
|
|
* @param result Pointer to store result into.
|
|
* @return True if code index is valid, false otherwise.
|
|
*/
|
|
virtual bool FunctionLookup(const sp_context_t *ctx, uint32_t code_addr, unsigned int *result) =0;
|
|
|
|
/**
|
|
* @brief Returns the number of functions defined in the context.
|
|
*
|
|
* @param ctx Context to search.
|
|
* @return Number of functions.
|
|
*/
|
|
virtual unsigned int FunctionCount(const sp_context_t *ctx) =0;
|
|
|
|
/**
|
|
* @brief Returns a version string.
|
|
*
|
|
* @return Versioning string.
|
|
*/
|
|
virtual const char *GetVersionString() =0;
|
|
|
|
/**
|
|
* @brief Returns a string describing optimizations.
|
|
*
|
|
* @return String describing CPU specific optimizations.
|
|
*/
|
|
virtual const char *GetCPUOptimizations() =0;
|
|
|
|
/**
|
|
* @brief Given a context and a p-code address, returns the index of the function.
|
|
*
|
|
* @param ctx Context to search.
|
|
* @param code_addr Index into the p-code section.
|
|
* @param result Pointer to store result into.
|
|
* @return True if code index is valid, false otherwise.
|
|
*/
|
|
virtual bool FunctionPLookup(const sp_context_t *ctx, uint32_t code_addr, unsigned int *result) =0;
|
|
};
|
|
};
|
|
|
|
#endif //_INCLUDE_SOURCEPAWN_VM_API_H_
|