80 lines
2.8 KiB
C
80 lines
2.8 KiB
C
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/*
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Nullsoft Expression Evaluator Library (NS-EEL)
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Copyright (C) 1999-2003 Nullsoft, Inc.
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ns-eel.h: main application interface header
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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#ifndef __NS_EEL_H__
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#define __NS_EEL_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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int NSEEL_init(); // returns 0 on success
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#define NSEEL_addfunction(name,nparms,code,len) NSEEL_addfunctionex((name),(nparms),(code),(len),0)
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void NSEEL_addfunctionex(char *name, int nparms, int code_startaddr, int code_len, void *pproc);
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void NSEEL_quit();
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int *NSEEL_getstats(); // returns a pointer to 5 ints... source bytes, static code bytes, call code bytes, data bytes, number of code handles
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double *NSEEL_getglobalregs();
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typedef void *NSEEL_VMCTX;
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typedef void *NSEEL_CODEHANDLE;
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NSEEL_VMCTX NSEEL_VM_alloc(); // return a handle
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void NSEEL_VM_free(NSEEL_VMCTX ctx); // free when done with a VM and ALL of its code have been freed, as well
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void NSEEL_VM_resetvars(NSEEL_VMCTX ctx);
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double *NSEEL_VM_regvar(NSEEL_VMCTX ctx, char *name);
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NSEEL_CODEHANDLE NSEEL_code_compile(NSEEL_VMCTX ctx, char *code);
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char *NSEEL_code_getcodeerror(NSEEL_VMCTX ctx);
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void NSEEL_code_execute(NSEEL_CODEHANDLE code);
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void NSEEL_code_free(NSEEL_CODEHANDLE code);
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int *NSEEL_code_getstats(NSEEL_CODEHANDLE code); // 4 ints...source bytes, static code bytes, call code bytes, data bytes
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// configuration:
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//#define NSEEL_REENTRANT_EXECUTION
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// defining this allows code to run in different threads at the same time
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// this can be slower at times.
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//#define NSEEL_MAX_VARIABLE_NAMELEN 8
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// define this to override the max variable length (default is 8 bytes)
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//#define NSEEL_MAX_TEMPSPACE_ENTRIES 2048
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// define this to override the maximum working space in 8 byte units.
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// 2048 is the default, and is way more than enough for most applications
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//#define NSEEL_LOOPFUNC_SUPPORT
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//#define NSEEL_LOOPFUNC_SUPPORT_MAXLEN (4096)
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// define this for loop() support
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// and define maxlen if you wish to override the maximum loop length (default is 4096 times)
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#ifdef __cplusplus
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}
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#endif
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#endif//__NS_EEL_H__
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