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   gentee.c

   gentee.h

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  1 /******************************************************************************
  2 *
  3 * Copyright (C) 2006-08, The Gentee Group. All rights reserved. 
  4 * This file is part of the Gentee open source project - http://www.gentee.com. 
  5 * 
  6 * THIS FILE IS PROVIDED UNDER THE TERMS OF THE GENTEE LICENSE ("AGREEMENT"). 
  7 * ANY USE, REPRODUCTION OR DISTRIBUTION OF THIS FILE CONSTITUTES RECIPIENTS 
  8 * ACCEPTANCE OF THE AGREEMENT.
  9 *
 10 * Author: Alexey Krivonogov
 11 *
 12 ******************************************************************************/
 13 
 14 /*-----------------------------------------------------------------------------
 15 * Id: genteeapi L "Gentee API"
 16 * 
 17 * Desc:    Gentee API functions for the using of gentee.dll.
 18 * Summary: There is an option for software engineers to run programs in Gentee 
 19            in their own applications. To do that, it is enough to connect the 
 20            gentee.dll file. It contains several importable functions, which 
 21            are responsible for compilation and execution of the programs.
 22 *
 23 * List: *, gentee_call, gentee_compile, gentee_deinit, gentee_getid, 
 24         gentee_init, gentee_load, gentee_ptr, gentee_set, 
 25         *#lng/types#, tgentee, compileinfo, toptimize
 26 * 
 27 -----------------------------------------------------------------------------*/
 28 
 29 #include "gentee.h"
 30 #include "../common/crc.h"
 31 #include "../common/memory.h"
 32 #include "../common/file.h"
 33 #include "../os/user/defines.h"
 34 #include "../bytecode/ge.h"
 35 
 36 gentee    _gentee;
 37 pcompile  _compile;
 38 
 39 /*-----------------------------------------------------------------------------
 40 * Id: gentee_deinit F1
 41 * 
 42 * Summary: End of working with gentee.dll. This function should be called when 
 43            the work with Gentee is finished. 
 44 *  
 45 * Return: #lng/retf#
 46 *
 47 -----------------------------------------------------------------------------*/
 48 
 49 uint  STDCALL gentee_deinit( void )
 50 {
 51 //   print("Deinit %i %s size=%i use=%i\n", &_gentee.tempdir, _gentee.tempdir.data,
 52 //         _gentee.tempdir.size, _gentee.tempdir.use );
 53    vm_deinit();
 54    if ( _gentee.tempfile )
 55    {
 56       str  stemp;
 57 
 58       str_init( &stemp );
 59       str_reserve( &stemp, 512 );
 60       os_dirdeletefull( &_gentee.tempdir );
 61       os_fileclose( _gentee.tempfile );
 62       str_printf( &stemp, "%s.tmp", str_ptr( &_gentee.tempdir ));
 63       os_filedelete( &stemp );
 64       str_delete( &stemp );
 65    }
 66    str_delete( &_gentee.tempdir );
 67    mem_deinit();
 68 
 69    return TRUE;
 70 }
 71 
 72 /*-----------------------------------------------------------------------------
 73 * Id: gentee_init F
 74 * 
 75 * Summary: Initialization of gentee.dll. This function should be called before 
 76            beginning to work with Gentee.
 77 *
 78 * Params: flags - Flags. $$[initflags]
 79 *
 80 * Return: #lng/retf#
 81 *  
 82 -----------------------------------------------------------------------------*/
 83 
 84 uint  STDCALL gentee_init( uint flags )
 85 {
 86    mem_zero( &_gentee, sizeof( gentee ));
 87 
 88    mem_init();
 89    crc_init();
 90    
 91    _gentee.flags = flags;
 92    _gentee.print = &os_print;
 93    os_init( 0 );
 94 
 95    str_init( &_gentee.tempdir );
 96 
 97    vm_init();
 98    _compile = NULL;
 99    _gentee.message = &message;
100 
101    return TRUE;
102 }
103 
104 /*-----------------------------------------------------------------------------
105 * Id: gentee_set F
106 * 
107 * Summary: This function specifies some gentee parameters.
108 *
109 * Params: state - The identifier of the parameter.$$[setpars]
110           val - The new value of the parameter.
111 *
112 * Return: #lng/retf#
113 *  
114 -----------------------------------------------------------------------------*/
115 
116 uint  STDCALL gentee_set( uint state, pvoid val )
117 {
118    switch ( state )
119    {
120       case GSET_FLAG:
121          _gentee.flags = ( uint )val;
122          break;
123       case GSET_TEMPDIR:  
124          if ( _gentee.tempfile )
125             return 0;
126          str_copyzero( &_gentee.tempdir, ( pubyte )val );
127          break;
128       case GSET_PRINT:
129          _gentee.print = ( printfunc )val;
130          break;
131       case GSET_MESSAGE:
132          _gentee.message = ( messagefunc )val;
133          break;
134       case GSET_EXPORT:
135          _gentee.export = ( exportfunc )val;
136          break;
137       case GSET_DEBUG:
138          _gentee.debug = ( debugfunc )val;
139          break;
140       case GSET_GETCH:
141          _gentee.getch = ( getchfunc )val;
142          break;
143       case GSET_ARGS:
144          _gentee.args = val;
145          break;
146    }
147    return 1;
148 }
149 
150 /*-----------------------------------------------------------------------------
151 * Id: gentee_ptr F
152 * 
153 * Summary: Get Gentee structures. This function returns pointers to global 
154            Gentee structures.
155 *
156 * Params: par - The identifier of the parameter.$$[ptrpars].
157 *
158 * Return: The pointer to according global Gentee structure.
159 *  
160 -----------------------------------------------------------------------------*/
161 
162 pvoid STDCALL gentee_ptr( uint par )
163 {
164    switch ( par )
165    {
166       case GPTR_GENTEE:
167          return &_gentee;
168       case GPTR_VM: 
169          return _pvm;
170       case GPTR_COMPILE: 
171          return _compile;
172       case GPTR_CALL: 
173          return &gentee_call;
174    }
175    return &_gentee;
176 }
177 
178 /*-----------------------------------------------------------------------------
179 * Id: gentee_load F
180 * 
181 * Summary: Load and launch the bytecode. This function loads the bytecode from
182            the file or the memory and launch it if it is required. You can 
183            create the bytecode with $[gentee_compile] function.
184 *
185 * Params: bytecode - The pointer to the bytecode or the filename of .ge file.
186           flag - Flags. $$[geloadflag]
187 *
188 * Return: The result of the executed bytecode if GLOAD_RUN was defined. 
189 *  
190 -----------------------------------------------------------------------------*/
191 
192 uint STDCALL gentee_load( pubyte bytecode, uint flag )
193 {
194    pubyte cur, curout, oldargs;
195    uint   count, result = 0;  
196    ubyte  stop;
197    buf    bcode;
198 
199    buf_init( &bcode );
200    if ( flag & GLOAD_ARGS )
201    {  // Получаем аргументы из командной строки
202       oldargs = _gentee.args;
203       curout = _gentee.args = mem_alloc( 1024 );
204       cur = GetCommandLine();
205       count = 0;
206       while ( *cur )
207       {
208          while ( *cur == ' ' ) cur++;
209          if ( !*cur ) break;
210          
211          if ( *cur == '\"' ) 
212          {
213             cur++;
214             stop = '\"';
215          }
216          else
217             stop = ' ';
218 
219          while ( *cur != stop )
220          {
221             if ( count ) 
222             {
223                if ( *cur == '\\' && *( cur + 1 )== '\"' )
224                   cur++;
225                *curout++ = *cur;
226             }
227             if ( !*++cur ) break;
228          }
229          if ( *cur == stop ) cur++;
230          if ( count++ )
231             *curout++ = 0;
232       }
233       *curout = 0;
234    }
235    if ( flag & GLOAD_FILE )
236    {
237       str  filename;
238 
239       str_init( &filename );
240       str_copyzero( &filename, bytecode );
241       file2buf( &filename, &bcode, 0 );
242       str_delete( &filename );
243    }
244    else
245       buf_copy( &bcode, bytecode, (( pgehead )bytecode)->size );
246 //   print("OK 0\n");
247    ge_load( &bcode );
248 
249    if ( flag & GLOAD_RUN )
250       result = vm_execute( 1 );
251 
252    if ( flag & GLOAD_ARGS )
253    {
254       mem_free( _gentee.args );
255       _gentee.args = oldargs;
256    }
257    buf_delete( &bcode );
258    return result;
259 }
260 
261 /*-----------------------------------------------------------------------------
262 ** Id: gentee_getid F
263 * 
264 * Summary: Get the object's identifier by its name.
265 *
266 * Params: name - The name of the object. If you want to find a method then /
267                  use '#b(@)' at the beginning of the name. For example,    /
268                  "#b( @mymethod )". If you want to find an operator then   /
269                  use '#b(##)' at the beginning of the name. For example,   /
270                  "#b( #+= )".
271           count - The count of the following parameters. If you want to find  /
272                   any object with the defined name then specify the following /
273                   flag. $$[getidflag]
274           ... - Specify the sequence of the type's identifiers of the       /
275                 parameters. If the parameter of the function has "#b( of )" /
276                 subtype then specify it in the HIWORD of the value.
277 *
278 * Return: Returns object’s identifier or #b(0), if the object was not found.
279 *  
280 -----------------------------------------------------------------------------*/
281 
282 uint CDECLCALL gentee_getid( pubyte name, uint count, ... )
283 {
284    uint     k = 0;
285    uint     params[ 32 ];
286    uint     bcode, flag;
287    va_list  argptr;
288 
289    flag = count;
290    count &= 0xFFFFFF;
291 
292    if ( flag & GID_ANYOBJ )
293    {
294       phashitem  phi;
295       phi = hash_find( &_vm.objname, name );
296       return phi ? *( puint )( phi + 1 ) : 0;
297    }
298    va_start( argptr, count );
299 
300    while ( count-- )
301    {
302       params[ k++ ] = va_arg( argptr, uint );
303       if ( params[ k - 1 ] & 0xFFFF0000 )
304       {
305          params[ k ] = params[ k - 1 ] >> 16;
306          params[ k - 1 ] &= 0xFFFF;
307       }
308       else
309          params[ k ] = 0;
310       k++;
311    }
312    va_end( argptr );
313    
314    bcode = ( uint )vm_find( name, k >> 1, params );
315    return ( uint )bcode < MSGCOUNT ? 0 : ((pvmfunc)bcode)->vmo.id;
316 }
317 
318 //--------------------------------------------------------------------------
319 
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