VDScriptInternal.h revision fb7c7050d4e425a33a74936d12390d522666aa6c
/** @file
*
* VBox HDD container test utility - scripting engine, internal script structures.
*/
/*
* Copyright (C) 2013 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*/
#ifndef _VDScriptInternal_h__
#define _VDScriptInternal_h__
#include <iprt/list.h>
#include <iprt/string.h>
#include "VDScript.h"
/** Pointer to a tokenize state. */
typedef struct VDTOKENIZER *PVDTOKENIZER;
/**
* Script context.
*/
typedef struct VDSCRIPTCTXINT
{
/** String space of external registered and source defined functions. */
RTSTRSPACE hStrSpaceFn;
/** List of ASTs for functions - VDSCRIPTASTFN. */
RTLISTANCHOR ListAst;
/** Pointer to the current tokenizer state. */
PVDTOKENIZER pTokenizer;
} VDSCRIPTCTXINT;
/** Pointer to a script context. */
typedef VDSCRIPTCTXINT *PVDSCRIPTCTXINT;
/**
* Check the context for type correctness.
*
* @returns VBox status code.
* @param pThis The script context.
*/
DECLHIDDEN(int) vdScriptCtxCheck(PVDSCRIPTCTXINT pThis);
/**
* Interprete a given function AST. The executed functions
* must be type correct, otherwise the behavior is undefined
* (Will assert in debug builds).
*
* @returns VBox status code.
* @param pThis The script context.
* @param pAstFn The function AST to interpret.
* @param paArgs Arguments to pass to the function.
* @param cArgs Number of arguments.
* @param pRet Where to store the return value on success.
*/
DECLHIDDEN(int) vdScriptCtxInterprete(PVDSCRIPTCTXINT pThis, PVDSCRIPTASTFN pAstFn,
PVDSCRIPTARG paArgs, unsigned cArgs,
PVDSCRIPTARG pRet);
#endif /* _VDScriptInternal_h__ */