Annotation of parser3/src/main/execute.C, revision 1.406
1.117 paf 1: /** @file
1.118 paf 2: Parser: executor part of request class.
3:
1.405 moko 4: Copyright (c) 2001-2017 Art. Lebedev Studio (http://www.artlebedev.com)
1.218 paf 5: Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
1.243 paf 6: */
1.118 paf 7:
1.152 paf 8: #include "pa_opcode.h"
1.8 paf 9: #include "pa_array.h"
1.11 paf 10: #include "pa_request.h"
1.15 paf 11: #include "pa_vstring.h"
1.22 paf 12: #include "pa_vhash.h"
1.167 parser 13: #include "pa_vvoid.h"
1.145 paf 14: #include "pa_vcode_frame.h"
1.321 misha 15: #include "pa_vmethod_frame.h"
1.38 paf 16: #include "pa_vobject.h"
1.49 paf 17: #include "pa_vdouble.h"
1.54 paf 18: #include "pa_vbool.h"
1.94 paf 19: #include "pa_vtable.h"
1.132 paf 20: #include "pa_vfile.h"
1.144 paf 21: #include "pa_vimage.h"
1.194 parser 22: #include "pa_wwrapper.h"
1.1 paf 23:
1.406 ! moko 24: volatile const char * IDENT_EXECUTE_C="$Id: execute.C,v 1.405 2017/02/07 22:00:40 moko Exp $" IDENT_PA_OPCODE_H IDENT_PA_OPERATION_H IDENT_PA_VCODE_FRAME_H IDENT_PA_WWRAPPER_H;
1.368 moko 25:
1.233 paf 26: //#define DEBUG_EXECUTE
1.157 parser 27:
28: #ifdef DEBUG_EXECUTE
1.387 moko 29: const char *opcode_name[]={
1.49 paf 30: // literals
1.109 paf 31: "VALUE", "CURLY_CODE__STORE_PARAM", "EXPR_CODE__STORE_PARAM",
1.209 paf 32: "NESTED_CODE",
1.49 paf 33:
34: // actions
1.187 parser 35: "WITH_ROOT", "WITH_SELF", "WITH_READ", "WITH_WRITE",
1.387 moko 36: "VALUE__GET_CLASS", "VALUE__GET_BASE_CLASS",
1.182 parser 37: "CONSTRUCT_VALUE", "CONSTRUCT_EXPR", "CURLY_CODE__CONSTRUCT",
1.108 paf 38: "WRITE_VALUE", "WRITE_EXPR_RESULT", "STRING__WRITE",
1.328 misha 39: #ifdef OPTIMIZE_BYTECODE_GET_ELEMENT
40: "VALUE__GET_ELEMENT_OR_OPERATOR",
41: #else
42: "GET_ELEMENT_OR_OPERATOR",
43: #endif
44: "GET_ELEMENT",
1.346 misha 45: "GET_ELEMENT__WRITE",
46: #ifdef OPTIMIZE_BYTECODE_GET_ELEMENT
47: "VALUE__GET_ELEMENT",
48: "VALUE__GET_ELEMENT__WRITE",
1.347 misha 49: "WITH_ROOT__VALUE__GET_ELEMENT",
1.346 misha 50: #endif
1.335 misha 51: #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_ELEMENT
52: "GET_OBJECT_ELEMENT",
53: "GET_OBJECT_ELEMENT__WRITE",
54: #endif
55: #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_VAR_ELEMENT
56: "GET_OBJECT_VAR_ELEMENT",
57: "GET_OBJECT_VAR_ELEMENT__WRITE",
1.334 misha 58: #endif
1.345 misha 59: #ifdef OPTIMIZE_BYTECODE_GET_SELF_ELEMENT
60: "WITH_SELF__VALUE__GET_ELEMENT",
61: "WITH_SELF__VALUE__GET_ELEMENT__WRITE",
62: #endif
1.376 moko 63:
64: #ifdef FEATURE_GET_ELEMENT4CALL
65: "GET_ELEMENT4CALL",
66: #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_ELEMENT
67: "GET_OBJECT_ELEMENT4CALL",
68: #endif
69: #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_VAR_ELEMENT
70: "GET_OBJECT_VAR_ELEMENT4CALL",
71: #endif
72: #endif // FEATURE_GET_ELEMENT4CALL
73:
1.232 paf 74: "OBJECT_POOL", "STRING_POOL",
1.348 misha 75: "PREPARE_TO_CONSTRUCT_OBJECT",
76: "CONSTRUCT_OBJECT",
77: "CONSTRUCT_OBJECT__WRITE",
1.232 paf 78: "CALL", "CALL__WRITE",
1.49 paf 79:
1.337 misha 80: #ifdef OPTIMIZE_BYTECODE_CONSTRUCT
1.344 misha 81: "WITH_ROOT__VALUE__CONSTRUCT_EXPR",
82: "WITH_ROOT__VALUE__CONSTRUCT_VALUE",
83: "WITH_WRITE__VALUE__CONSTRUCT_EXPR",
84: "WITH_WRITE__VALUE__CONSTRUCT_VALUE",
1.345 misha 85: "WITH_SELF__VALUE__CONSTRUCT_EXPR",
86: "WITH_SELF__VALUE__CONSTRUCT_VALUE",
1.337 misha 87: #endif
88:
1.372 misha 89: #ifdef OPTIMIZE_BYTECODE_GET_ELEMENT__SPECIAL
90: "GET_ELEMENT__SPECIAL",
91: "GET_ELEMENT__SPECIAL__WRITE",
92: #endif
1.49 paf 93: // expression ops: unary
1.148 paf 94: "NEG", "INV", "NOT", "DEF", "IN", "FEXISTS", "DEXISTS",
1.49 paf 95: // expression ops: binary
1.201 paf 96: "SUB", "ADD", "MUL", "DIV", "MOD", "INTDIV",
1.275 paf 97: "BIN_SL", "BIN_SR",
1.56 paf 98: "BIN_AND", "BIN_OR", "BIN_XOR",
99: "LOG_AND", "LOG_OR", "LOG_XOR",
1.49 paf 100: "NUM_LT", "NUM_GT", "NUM_LE", "NUM_GE", "NUM_EQ", "NUM_NE",
1.103 paf 101: "STR_LT", "STR_GT", "STR_LE", "STR_GE", "STR_EQ", "STR_NE",
102: "IS"
1.1 paf 103: };
104:
1.342 misha 105: const char* debug_value_to_cstr(Value& value){
106: const String* string=value.get_string();
107:
108: if(string)
109: return string->cstr();
110: else
111: if(value.is_bool())
1.386 moko 112: return value.as_bool() ? "<true>" : "<false>";
1.342 misha 113: else
114: return "<value>";
115: }
116:
1.297 paf 117: void va_debug_printf(SAPI_Info& sapi_info, const char* fmt,va_list args) {
1.127 paf 118: char buf[MAX_STRING];
119: vsnprintf(buf, MAX_STRING, fmt, args);
1.297 paf 120: SAPI::log(sapi_info, "%s", buf);
1.107 paf 121: }
122:
1.297 paf 123: void debug_printf(SAPI_Info& sapi_info, const char* fmt, ...) {
1.334 misha 124: va_list args;
125: va_start(args, fmt);
126: va_debug_printf(sapi_info, fmt, args);
127: va_end(args);
1.105 paf 128: }
129:
1.297 paf 130: void debug_dump(SAPI_Info& sapi_info, int level, ArrayOperation& ops) {
131: Array_iterator<Operation> i(ops);
1.190 parser 132: while(i.has_next()) {
1.323 misha 133: OP::OPCODE opcode=i.next().code;
1.1 paf 134:
1.337 misha 135: #if defined(OPTIMIZE_BYTECODE_GET_OBJECT_ELEMENT) || defined(OPTIMIZE_BYTECODE_GET_OBJECT_VAR_ELEMENT)
1.334 misha 136: if(
1.335 misha 137: 1==0
138: #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_ELEMENT
139: || opcode==OP::OP_GET_OBJECT_ELEMENT
140: || opcode==OP::OP_GET_OBJECT_ELEMENT__WRITE
1.376 moko 141: #ifdef FEATURE_GET_ELEMENT4CALL
142: || opcode==OP::OP_GET_OBJECT_ELEMENT4CALL
143: #endif
1.335 misha 144: #endif
145: #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_VAR_ELEMENT
146: || opcode==OP::OP_GET_OBJECT_VAR_ELEMENT
147: || opcode==OP::OP_GET_OBJECT_VAR_ELEMENT__WRITE
1.376 moko 148: #ifdef FEATURE_GET_ELEMENT4CALL
149: || opcode==OP::OP_GET_OBJECT_VAR_ELEMENT4CALL
150: #endif
1.335 misha 151: #endif
1.334 misha 152: ){
153: i.next(); // skip origin
154: Value& value1=*i.next().value;
155: i.next(); // skip origin
156: Value& value2=*i.next().value;
1.386 moko 157: debug_printf(sapi_info, "%*s%s \"%s\" \"%s\"", level*4, "", opcode_name[opcode], debug_value_to_cstr(value1), debug_value_to_cstr(value2));
1.334 misha 158: continue;
159: }
160: #endif
1.348 misha 161: if(
162: opcode==OP::OP_CONSTRUCT_OBJECT
163: || opcode==OP::OP_CONSTRUCT_OBJECT__WRITE
164: ){
165: i.next(); // skip origin
166: Value& value1=*i.next().value;
167: i.next(); // skip origin
168: Value& value2=*i.next().value;
169: debug_printf(sapi_info,
170: "%*s%s"
171: " \"%s\" \"%s\"",
172: level*4, "", opcode_name[opcode],
173: debug_value_to_cstr(value1), debug_value_to_cstr(value2));
174:
175: if(ArrayOperation* local_ops=i.next().ops)
176: debug_dump(sapi_info, level+1, *local_ops);
177: continue;
178: }
1.328 misha 179: if(
180: opcode==OP::OP_VALUE
181: || opcode==OP::OP_STRING__WRITE
182: || opcode==OP::OP_VALUE__GET_CLASS
1.383 moko 183: || opcode==OP::OP_VALUE__GET_BASE_CLASS
1.328 misha 184: #ifdef OPTIMIZE_BYTECODE_GET_ELEMENT
185: || opcode==OP::OP_VALUE__GET_ELEMENT
186: || opcode==OP::OP_VALUE__GET_ELEMENT__WRITE
187: || opcode==OP::OP_VALUE__GET_ELEMENT_OR_OPERATOR
1.347 misha 188: || opcode==OP::OP_WITH_ROOT__VALUE__GET_ELEMENT
1.328 misha 189: #endif
1.345 misha 190: #ifdef OPTIMIZE_BYTECODE_GET_SELF_ELEMENT
191: || opcode==OP::OP_WITH_SELF__VALUE__GET_ELEMENT
192: || opcode==OP::OP_WITH_SELF__VALUE__GET_ELEMENT__WRITE
193: #endif
1.342 misha 194: #ifdef OPTIMIZE_BYTECODE_CONSTRUCT
1.344 misha 195: || opcode==OP::OP_WITH_ROOT__VALUE__CONSTRUCT_EXPR
196: || opcode==OP::OP_WITH_ROOT__VALUE__CONSTRUCT_VALUE
197: || opcode==OP::OP_WITH_WRITE__VALUE__CONSTRUCT_EXPR
198: || opcode==OP::OP_WITH_WRITE__VALUE__CONSTRUCT_VALUE
1.345 misha 199: || opcode==OP::OP_WITH_SELF__VALUE__CONSTRUCT_EXPR
200: || opcode==OP::OP_WITH_SELF__VALUE__CONSTRUCT_VALUE
1.342 misha 201: #endif
1.328 misha 202: ) {
1.297 paf 203: Operation::Origin origin=i.next().origin;
204: Value& value=*i.next().value;
1.342 misha 205:
1.297 paf 206: debug_printf(sapi_info,
1.133 paf 207: "%*s%s"
208: " \"%s\" %s",
1.297 paf 209: level*4, "", opcode_name[opcode],
1.342 misha 210: debug_value_to_cstr(value), value.type());
1.133 paf 211: continue;
1.15 paf 212: }
1.348 misha 213:
1.297 paf 214: debug_printf(sapi_info, "%*s%s", level*4, "", opcode_name[opcode]);
1.1 paf 215:
1.297 paf 216: switch(opcode) {
1.323 misha 217: case OP::OP_CURLY_CODE__STORE_PARAM:
218: case OP::OP_EXPR_CODE__STORE_PARAM:
219: case OP::OP_CURLY_CODE__CONSTRUCT:
220: case OP::OP_NESTED_CODE:
1.346 misha 221: case OP::OP_OBJECT_POOL:
1.323 misha 222: case OP::OP_STRING_POOL:
223: case OP::OP_CALL:
224: case OP::OP_CALL__WRITE:
1.297 paf 225: if(ArrayOperation* local_ops=i.next().ops)
226: debug_dump(sapi_info, level+1, *local_ops);
1.1 paf 227: }
228: }
229: }
1.336 misha 230: #define DEBUG_PRINT_STR(str) debug_printf(sapi_info, str);
231: #define DEBUG_PRINT_STRING(value) debug_printf(sapi_info, " \"%s\" ", value.cstr());
1.342 misha 232: #define DEBUG_PRINT_VALUE_AND_TYPE(value) debug_printf(sapi_info, " \"%s\" %s", debug_value_to_cstr(value), value.type());
1.336 misha 233: #define DEBUG_PRINT_OPS(local_ops) \
234: debug_printf(sapi_info, \
235: " (%d)\n", local_ops?local_ops->count():0); \
236: if(local_ops) debug_dump(sapi_info, 1, *local_ops);
237:
238: #else
239: #define DEBUG_PRINT_STR(str)
240: #define DEBUG_PRINT_STRING(value)
1.342 misha 241: #define DEBUG_PRINT_VALUE_AND_TYPE(value)
1.336 misha 242: #define DEBUG_PRINT_OPS(local_ops)
1.157 parser 243: #endif
1.1 paf 244:
1.297 paf 245: // Request
246:
247: void Request::execute(ArrayOperation& ops) {
248: register Stack<StackItem>& stack=this->stack; // helps a lot on MSVC: 'esi'
1.159 parser 249:
1.304 paf 250: const String* debug_name=0; Operation::Origin debug_origin={0, 0, 0};
1.297 paf 251: try{
1.157 parser 252: #ifdef DEBUG_EXECUTE
1.297 paf 253: debug_printf(sapi_info, "source----------------------------\n");
254: debug_dump(sapi_info, 0, ops);
255: debug_printf(sapi_info, "execution-------------------------\n");
1.157 parser 256: #endif
1.297 paf 257: for(Array_iterator<Operation> i(ops); i.has_next(); ) {
1.322 misha 258: OP::OPCODE opcode=i.next().code;
1.293 paf 259:
1.157 parser 260: #ifdef DEBUG_EXECUTE
1.297 paf 261: debug_printf(sapi_info, "%d:%s", stack.top_index()+1, opcode_name[opcode]);
1.157 parser 262: #endif
1.11 paf 263:
1.297 paf 264: switch(opcode) {
1.51 paf 265: // param in next instruction
1.322 misha 266: case OP::OP_VALUE:
1.32 paf 267: {
1.297 paf 268: debug_origin=i.next().origin;
269: Value& value=*i.next().value;
1.342 misha 270:
271: DEBUG_PRINT_VALUE_AND_TYPE(value)
272:
1.297 paf 273: stack.push(value);
1.32 paf 274: break;
275: }
1.328 misha 276: case OP::OP_VALUE__GET_CLASS:
277: {
1.383 moko 278: debug_origin=i.next().origin;
279: const String& name=*i.next().value->get_string(); debug_name=&name;
280:
281: DEBUG_PRINT_STRING(name)
282:
1.384 moko 283: VStateless_class* vclass=get_class(name);
284: if(!vclass)
1.383 moko 285: throw Exception(PARSER_RUNTIME, &name, "class is undefined");
286:
1.384 moko 287: stack.push(*vclass);
1.383 moko 288: break;
289: }
290:
291: case OP::OP_VALUE__GET_BASE_CLASS:
292: {
293: // ^class:method[] call
1.328 misha 294:
295: debug_origin=i.next().origin;
1.372 misha 296: const String& name=*i.next().value->get_string(); debug_name=&name;
1.328 misha 297:
1.336 misha 298: DEBUG_PRINT_STRING(name)
1.328 misha 299:
1.384 moko 300: VStateless_class* vclass=get_class(name);
301: if(!vclass)
1.383 moko 302: throw Exception(PARSER_RUNTIME, &name, "class is undefined");
1.328 misha 303:
1.384 moko 304: stack.push(*new VBaseClassWrapper(*vclass, get_self()));
1.328 misha 305: break;
306: }
1.372 misha 307:
308: #ifdef OPTIMIZE_BYTECODE_GET_ELEMENT__SPECIAL
309: case OP::OP_GET_ELEMENT__SPECIAL:
310: case OP::OP_GET_ELEMENT__SPECIAL__WRITE:
311: {
312: const String& name=stack.pop().string(); debug_name=&name;
313: Value& ncontext=stack.pop().value();
314:
315: Value* value=0;
316: if(VStateless_class* vclass=ncontext.get_class()){
1.382 moko 317: if(SYMBOLS_EQ(name,CLASS_SYMBOL)){
1.372 misha 318: value=vclass;
1.382 moko 319: } else if(SYMBOLS_EQ(name,CLASS_NAME_SYMBOL)){
1.379 moko 320: value=new VString(*new String(vclass->type()));
1.372 misha 321: }
322: } else {
1.381 moko 323: // VJunction is without class, returning self
1.382 moko 324: if(SYMBOLS_EQ(name,CLASS_SYMBOL)){
1.381 moko 325: value=&ncontext;
1.382 moko 326: } else if(SYMBOLS_EQ(name,CLASS_NAME_SYMBOL)){
1.381 moko 327: value=new VString(*new String(ncontext.type()));
328: }
1.380 moko 329: }
1.372 misha 330: if(opcode==OP::OP_GET_ELEMENT__SPECIAL){
331: stack.push(*value);
332: } else {
1.396 moko 333: write(*value);
1.372 misha 334: }
335: break;
336: }
337: #endif
338:
1.51 paf 339: // OP_WITH
1.322 misha 340: case OP::OP_WITH_ROOT:
1.187 parser 341: {
1.297 paf 342: stack.push(*method_frame);
1.187 parser 343: break;
344: }
1.336 misha 345: case OP::OP_WITH_SELF:
1.37 paf 346: {
1.297 paf 347: stack.push(get_self());
1.37 paf 348: break;
349: }
1.336 misha 350: case OP::OP_WITH_READ:
1.15 paf 351: {
1.297 paf 352: stack.push(*rcontext);
1.20 paf 353: break;
354: }
1.336 misha 355: case OP::OP_WITH_WRITE:
1.20 paf 356: {
1.287 paf 357: if(wcontext==method_frame)
1.384 moko 358: throw Exception(PARSER_RUNTIME, 0, "$.name outside of $name[...]");
1.287 paf 359:
1.297 paf 360: stack.push(*wcontext);
1.20 paf 361: break;
362: }
1.37 paf 363:
1.51 paf 364: // OTHER ACTIONS BUT WITHs
1.337 misha 365:
366: #ifdef OPTIMIZE_BYTECODE_CONSTRUCT
1.392 moko 367: #define DO_CONSTRUCT(context, vvalue) { \
1.347 misha 368: debug_origin=i.next().origin; \
369: const String& name=*i.next().value->get_string(); debug_name=&name; \
370: DEBUG_PRINT_STRING(name) \
371: Value& value=stack.pop().value(); \
372: put_element( context, name, vvalue ); \
1.403 moko 373: goto check_skip; \
1.347 misha 374: }
375: #define DO_CONSTRUCT_VALUE(context) DO_CONSTRUCT(context, &value)
1.392 moko 376: #define DO_CONSTRUCT_EXPR(context) { \
1.347 misha 377: DO_CONSTRUCT(context, &value.as_expr_result()) \
378: }
379:
1.344 misha 380: case OP::OP_WITH_WRITE__VALUE__CONSTRUCT_EXPR:
1.347 misha 381: {
382: if(wcontext==method_frame)
383: throw Exception(PARSER_RUNTIME, 0, "$.name outside of $name[...]");
384: DO_CONSTRUCT_EXPR(*wcontext)
385: }
386:
1.344 misha 387: case OP::OP_WITH_WRITE__VALUE__CONSTRUCT_VALUE:
1.338 misha 388: {
389: if(wcontext==method_frame)
1.347 misha 390: throw Exception(PARSER_RUNTIME, 0, "$.name outside of $name[...]");
391: DO_CONSTRUCT_VALUE(*wcontext)
1.338 misha 392: }
1.345 misha 393:
1.347 misha 394: case OP::OP_WITH_ROOT__VALUE__CONSTRUCT_EXPR: DO_CONSTRUCT_EXPR(*method_frame)
1.337 misha 395:
1.347 misha 396: case OP::OP_WITH_ROOT__VALUE__CONSTRUCT_VALUE: DO_CONSTRUCT_VALUE(*method_frame)
1.337 misha 397:
1.347 misha 398: case OP::OP_WITH_SELF__VALUE__CONSTRUCT_EXPR: DO_CONSTRUCT_EXPR(get_self())
1.342 misha 399:
1.347 misha 400: case OP::OP_WITH_SELF__VALUE__CONSTRUCT_VALUE: DO_CONSTRUCT_VALUE(get_self())
1.345 misha 401:
1.340 misha 402: #endif // OPTIMIZE_BYTECODE_CONSTRUCT
1.337 misha 403:
1.344 misha 404: case OP::OP_CONSTRUCT_VALUE:
1.337 misha 405: {
1.344 misha 406: #ifdef OPTIMIZE_BYTECODE_CONSTRUCT
407: const String& name=stack.pop().string(); debug_name=&name;
408: Value& ncontext=stack.pop().value();
409: Value& value=stack.pop().value();
410: #else
411: Value& value=stack.pop().value();
412: const String& name=stack.pop().string(); debug_name=&name;
413: Value& ncontext=stack.pop().value();
414: #endif
415: put_element(ncontext, name, &value);
1.403 moko 416: goto check_skip;
1.337 misha 417: }
418:
1.322 misha 419: case OP::OP_CONSTRUCT_EXPR:
1.80 paf 420: {
1.344 misha 421: #ifdef OPTIMIZE_BYTECODE_CONSTRUCT
422: const String& name=stack.pop().string(); debug_name=&name;
423: Value& ncontext=stack.pop().value();
424: Value& expr=stack.pop().value();
425: #else
1.308 paf 426: Value& expr=stack.pop().value();
1.297 paf 427: const String& name=stack.pop().string(); debug_name=&name;
428: Value& ncontext=stack.pop().value();
1.344 misha 429: #endif
1.308 paf 430: Value& value=expr.as_expr_result();
1.329 misha 431: put_element(ncontext, name, &value);
1.403 moko 432: goto check_skip;
1.80 paf 433: }
1.337 misha 434:
1.322 misha 435: case OP::OP_CURLY_CODE__CONSTRUCT:
1.182 parser 436: {
1.297 paf 437: ArrayOperation& local_ops=*i.next().ops;
1.336 misha 438:
439: DEBUG_PRINT_OPS((&local_ops))
440:
1.326 misha 441: VJunction& value=*new VJunction(
1.297 paf 442: get_self(), 0,
1.257 paf 443: method_frame,
1.240 paf 444: rcontext,
445: wcontext,
1.312 paf 446: &local_ops);
1.238 paf 447:
1.326 misha 448: wcontext->attach_junction(&value);
449:
1.297 paf 450: const String& name=stack.pop().string(); debug_name=&name;
451: Value& ncontext=stack.pop().value();
1.371 moko 452: if(const VJunction* vjunction=ncontext.put_element(name, &value))
1.312 paf 453: if(vjunction!=PUT_ELEMENT_REPLACED_ELEMENT)
1.384 moko 454: throw Exception(PARSER_RUNTIME, 0, "property value can not be code, use [] or () brackets");
1.403 moko 455:
1.182 parser 456: break;
457: }
1.322 misha 458: case OP::OP_NESTED_CODE:
1.209 paf 459: {
1.297 paf 460: ArrayOperation& local_ops=*i.next().ops;
1.336 misha 461:
462: DEBUG_PRINT_OPS((&local_ops))
463:
1.297 paf 464: stack.push(local_ops);
1.209 paf 465: break;
466: }
1.322 misha 467: case OP::OP_WRITE_VALUE:
1.13 paf 468: {
1.297 paf 469: Value& value=stack.pop().value();
1.396 moko 470: write(value);
1.86 paf 471: break;
472: }
1.322 misha 473: case OP::OP_WRITE_EXPR_RESULT:
1.108 paf 474: {
1.351 misha 475: Value& value=stack.pop().value();
476: wcontext->write(value.as_expr_result());
1.108 paf 477: break;
478: }
1.322 misha 479: case OP::OP_STRING__WRITE:
1.86 paf 480: {
1.297 paf 481: i.next(); // ignore origin
482: Value* value=i.next().value;
1.336 misha 483:
484: const String& string_value=*value->get_string();
485:
486: DEBUG_PRINT_STRING(string_value)
487:
1.396 moko 488: write(string_value);
1.13 paf 489: break;
1.14 paf 490: }
1.328 misha 491:
492: #ifdef OPTIMIZE_BYTECODE_GET_ELEMENT
493: case OP::OP_VALUE__GET_ELEMENT_OR_OPERATOR:
494: {
495: debug_origin=i.next().origin;
496: const String& name=*i.next().value->get_string(); debug_name=&name;
497:
1.336 misha 498: DEBUG_PRINT_STRING(name)
499:
1.330 misha 500: if(Method* method=main_class.get_method(name)){ // looking operator of that name FIRST
501: if(!method->junction_template) method->junction_template=new VJunction(main_class, method);
502: stack.push(*method->junction_template);
503: break;
504: }
505: Value& value=get_element(*rcontext, name);
1.328 misha 506: stack.push(value);
1.403 moko 507: goto check_skip;
1.328 misha 508: }
509: #else
1.322 misha 510: case OP::OP_GET_ELEMENT_OR_OPERATOR:
1.215 paf 511: {
1.297 paf 512: const String& name=stack.pop().string(); debug_name=&name;
513: Value& ncontext=stack.pop().value();
1.330 misha 514: if(Method* method=main_class.get_method(name)){ // looking operator of that name FIRST
515: if(!method->junction_template) method->junction_template=new VJunction(main_class, method);
516: stack.push(*method->junction_template);
517: break;
518: }
519: Value& value=get_element(ncontext, name);
1.297 paf 520: stack.push(value);
1.403 moko 521: goto check_skip;
1.215 paf 522: }
1.328 misha 523: #endif
524:
1.335 misha 525: #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_ELEMENT
1.336 misha 526:
1.376 moko 527: #define DO_GET_OBJECT_ELEMENT(code) {\
528: debug_origin=i.next().origin; \
529: const String& context_name=*i.next().value->get_string(); debug_name=&context_name; \
530: DEBUG_PRINT_STRING(context_name) \
531: Value& object=get_element(*rcontext, context_name); \
532: debug_origin=i.next().origin; \
533: const String& field_name=*i.next().value->get_string(); debug_name=&field_name; \
534: DEBUG_PRINT_STRING(field_name) \
535: code; \
1.403 moko 536: goto check_skip; \
1.376 moko 537: }
1.336 misha 538:
1.376 moko 539: case OP::OP_GET_OBJECT_ELEMENT: DO_GET_OBJECT_ELEMENT({
540: Value& value=get_element(object, field_name);
541: stack.push(value);
542: })
543: case OP::OP_GET_OBJECT_ELEMENT__WRITE: DO_GET_OBJECT_ELEMENT({
1.334 misha 544: Value& value=get_element(object, field_name);
1.396 moko 545: write(value);
1.376 moko 546: })
547: #ifdef FEATURE_GET_ELEMENT4CALL
548: case OP::OP_GET_OBJECT_ELEMENT4CALL: DO_GET_OBJECT_ELEMENT({
549: Value& value=get_element4call(object, field_name);
550: stack.push(value);
551: })
552: #endif
1.335 misha 553: #endif
554:
555: #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_VAR_ELEMENT
1.336 misha 556:
1.376 moko 557: #define DO_GET_OBJECT_VAR_ELEMENT(code) {\
558: debug_origin=i.next().origin; \
559: const String& context_name=*i.next().value->get_string(); debug_name=&context_name; \
560: DEBUG_PRINT_STRING(context_name) \
561: Value& object=get_element(*rcontext, context_name); \
562: debug_origin=i.next().origin; \
563: const String& var_name=*i.next().value->get_string(); debug_name=&var_name; \
564: DEBUG_PRINT_STRING(var_name) \
565: const String* field=&get_element(*rcontext, var_name).as_string(); \
566: code; \
1.403 moko 567: goto check_skip; \
1.376 moko 568: }
1.335 misha 569:
1.376 moko 570: case OP::OP_GET_OBJECT_VAR_ELEMENT: DO_GET_OBJECT_VAR_ELEMENT({
571: Value& value=get_element(object, *field);
572: stack.push(value);
573: })
574: case OP::OP_GET_OBJECT_VAR_ELEMENT__WRITE: DO_GET_OBJECT_VAR_ELEMENT({
1.335 misha 575: Value& value=get_element(object, *field);
1.396 moko 576: write(value);
1.376 moko 577: })
578: #ifdef FEATURE_GET_ELEMENT4CALL
579: case OP::OP_GET_OBJECT_VAR_ELEMENT4CALL: DO_GET_OBJECT_VAR_ELEMENT({
580: Value& value=get_element4call(object, *field);
581: stack.push(value);
582: })
583: #endif
584: #endif
1.335 misha 585:
1.376 moko 586: case OP::OP_GET_ELEMENT:
587: {
588: const String& name=stack.pop().string(); debug_name=&name;
589: Value& ncontext=stack.pop().value();
590: Value& value=get_element(ncontext, name);
591: stack.push(value);
1.403 moko 592: goto check_skip;
1.334 misha 593: }
594:
1.376 moko 595: #ifdef FEATURE_GET_ELEMENT4CALL
596: case OP::OP_GET_ELEMENT4CALL:
1.11 paf 597: {
1.297 paf 598: const String& name=stack.pop().string(); debug_name=&name;
599: Value& ncontext=stack.pop().value();
1.376 moko 600: Value& value=get_element4call(ncontext, name);
1.297 paf 601: stack.push(value);
1.403 moko 602: goto check_skip;
1.17 paf 603: }
1.376 moko 604: #endif
1.17 paf 605:
1.346 misha 606: case OP::OP_GET_ELEMENT__WRITE:
607: {
608: const String& name=stack.pop().string(); debug_name=&name;
609: Value& ncontext=stack.pop().value();
610: Value& value=get_element(ncontext, name);
1.396 moko 611: write(value);
1.403 moko 612: goto check_skip;
1.346 misha 613: }
614:
1.328 misha 615: #ifdef OPTIMIZE_BYTECODE_GET_ELEMENT
616: case OP::OP_VALUE__GET_ELEMENT:
617: {
618: debug_origin=i.next().origin;
619: const String& name=*i.next().value->get_string(); debug_name=&name;
620:
1.336 misha 621: DEBUG_PRINT_STRING(name)
1.328 misha 622:
1.330 misha 623: Value& value=get_element(*rcontext, name);
1.328 misha 624: stack.push(value);
1.403 moko 625: goto check_skip;
1.328 misha 626: }
627:
628: case OP::OP_VALUE__GET_ELEMENT__WRITE:
629: {
630: debug_origin=i.next().origin;
631: const String& name=*i.next().value->get_string(); debug_name=&name;
632:
1.336 misha 633: DEBUG_PRINT_STRING(name)
1.328 misha 634:
1.330 misha 635: Value& value=get_element(*rcontext, name);
1.396 moko 636: write(value);
1.403 moko 637: goto check_skip;
1.328 misha 638: }
1.347 misha 639:
640: case OP::OP_WITH_ROOT__VALUE__GET_ELEMENT:
641: {
642: debug_origin=i.next().origin;
643: const String& name=*i.next().value->get_string(); debug_name=&name;
644:
645: DEBUG_PRINT_STRING(name)
646:
647: Value& value=get_element(*method_frame, name);
648: stack.push(value);
1.403 moko 649: goto check_skip;
1.347 misha 650: }
1.328 misha 651: #endif
1.32 paf 652:
1.345 misha 653: #ifdef OPTIMIZE_BYTECODE_GET_SELF_ELEMENT
654: case OP::OP_WITH_SELF__VALUE__GET_ELEMENT:
655: case OP::OP_WITH_SELF__VALUE__GET_ELEMENT__WRITE:
656: {
657: debug_origin=i.next().origin;
658: const String& name=*i.next().value->get_string(); debug_name=&name;
659:
660: DEBUG_PRINT_STRING(name)
661:
662: Value& value=get_element(get_self(), name);
663:
664: if(opcode==OP::OP_WITH_SELF__VALUE__GET_ELEMENT){
665: stack.push(value);
666: } else {
1.396 moko 667: write(value);
1.345 misha 668: }
1.403 moko 669: goto check_skip;
1.345 misha 670: }
671: #endif
672:
1.322 misha 673: case OP::OP_OBJECT_POOL:
1.17 paf 674: {
1.406 ! moko 675: debug_name=0;
! 676:
1.297 paf 677: ArrayOperation& local_ops=*i.next().ops;
1.226 paf 678:
1.257 paf 679: WContext *saved_wcontext=wcontext;
1.348 misha 680: #ifdef OPTIMIZE_SINGLE_STRING_WRITE
1.351 misha 681: WObjectPoolWrapper local(wcontext);
1.348 misha 682: #else
1.351 misha 683: WWrapper local(wcontext);
1.348 misha 684: #endif
1.226 paf 685: wcontext=&local;
686:
1.297 paf 687: execute(local_ops);
1.226 paf 688:
1.400 moko 689: stack.push((Value&)wcontext->result());
1.403 moko 690:
1.257 paf 691: wcontext=saved_wcontext;
1.403 moko 692: goto check_skip;
1.15 paf 693: }
1.13 paf 694:
1.322 misha 695: case OP::OP_STRING_POOL:
1.49 paf 696: {
1.297 paf 697: ArrayOperation& local_ops=*i.next().ops;
1.226 paf 698:
1.257 paf 699: WContext *saved_wcontext=wcontext;
1.351 misha 700: WWrapper local(wcontext);
1.226 paf 701: wcontext=&local;
702:
1.297 paf 703: execute(local_ops);
1.226 paf 704:
1.49 paf 705: // from "$a $b" part of expression taking only string value,
706: // ignoring any other content of wcontext
1.367 moko 707: const String* string=wcontext->get_string();
708: Value* value=string ? new VString(*string) : new VString();
1.297 paf 709: stack.push(*value);
710:
1.257 paf 711: wcontext=saved_wcontext;
1.403 moko 712: goto check_skip;
1.49 paf 713: }
714:
1.51 paf 715: // CALL
1.322 misha 716: case OP::OP_CURLY_CODE__STORE_PARAM:
717: case OP::OP_EXPR_CODE__STORE_PARAM:
1.28 paf 718: {
1.237 paf 719: // code
1.297 paf 720: ArrayOperation& local_ops=*i.next().ops;
1.336 misha 721:
722: DEBUG_PRINT_OPS((&local_ops))
723:
1.237 paf 724: // when they evaluate expression parameter,
725: // the object expression result
726: // does not need to be written into calling frame
727: // it must go into any expressions using that parameter
728: // hence, we zero junction.wcontext here, and later
729: // in .process we would test that field
730: // in decision "which wwrapper to use"
1.326 misha 731: VJunction& value=*new VJunction(
1.297 paf 732: get_self(), 0,
1.257 paf 733: method_frame,
1.237 paf 734: rcontext,
1.322 misha 735: opcode==OP::OP_EXPR_CODE__STORE_PARAM?0:wcontext,
1.312 paf 736: &local_ops);
1.343 misha 737: #ifndef USE_DESTRUCTORS
1.326 misha 738: if (opcode!=OP::OP_EXPR_CODE__STORE_PARAM)
1.343 misha 739: wcontext->attach_junction(&value);
1.326 misha 740: #endif
1.237 paf 741: // store param
1.329 misha 742: stack.push(value);
1.29 paf 743: break;
744: }
745:
1.397 moko 746: #define METHOD_PARAMS_ACTION(action) \
1.386 moko 747: if(local_ops){ \
748: size_t first = stack.top_index(); \
749: execute(*local_ops); \
1.403 moko 750: if(!fskip){ \
751: frame.store_params((Value**)stack.ptr(first), stack.top_index()-first); \
752: action; \
753: } \
1.386 moko 754: stack.set_top_index(first); \
755: } else { \
756: frame.empty_params(); \
757: action; \
1.350 misha 758: }
759:
1.322 misha 760: case OP::OP_CALL:
1.29 paf 761: {
1.297 paf 762: ArrayOperation* local_ops=i.next().ops;
1.237 paf 763:
1.336 misha 764: DEBUG_PRINT_OPS(local_ops)
765: DEBUG_PRINT_STR("->\n")
766:
1.297 paf 767: Value& value=stack.pop().value();
1.237 paf 768:
1.297 paf 769: Junction* junction=value.get_junction();
770: if(!junction) {
771: if(value.is("void"))
1.386 moko 772: throw Exception(PARSER_RUNTIME, 0, "undefined method");
1.297 paf 773: else
1.386 moko 774: throw Exception(PARSER_RUNTIME, 0, "is '%s', not a method or junction, can not call it", value.type());
1.297 paf 775: }
1.237 paf 776:
1.370 moko 777: Value *result;
778: {
1.397 moko 779: EXPRESSION_FRAME_ACTION(*junction->method, method_frame, junction->self, {
780: METHOD_PARAMS_ACTION(call(frame));
781: result=&frame.result();
782: // desctructor deletes junctions in stack params here
783: });
1.370 moko 784: }
785: stack.push(*result);
1.332 misha 786:
1.336 misha 787: DEBUG_PRINT_STR("<-returned")
1.403 moko 788: goto check_skip;
1.332 misha 789: }
1.220 paf 790:
1.332 misha 791: case OP::OP_CALL__WRITE:
792: {
793: ArrayOperation* local_ops=i.next().ops;
794:
1.336 misha 795: DEBUG_PRINT_OPS(local_ops)
796: DEBUG_PRINT_STR("->\n")
797:
1.332 misha 798: Value& value=stack.pop().value();
799:
800: Junction* junction=value.get_junction();
801: if(!junction) {
802: if(value.is("void"))
1.386 moko 803: throw Exception(PARSER_RUNTIME, 0, "undefined method");
1.332 misha 804: else
1.386 moko 805: throw Exception(PARSER_RUNTIME, 0, "is '%s', not a method or junction, can not call it", value.type());
1.332 misha 806: }
807:
1.391 moko 808: const Method& method=*junction->method;
1.332 misha 809: #ifdef OPTIMIZE_CALL
1.353 misha 810: if(method.call_optimization==Method::CO_WITHOUT_FRAME){
1.332 misha 811: if(local_ops){ // store param code goes here
812: size_t first = stack.top_index();
813: execute(*local_ops);
814:
1.403 moko 815: if(!fskip){
816: MethodParams method_params;
817: method_params.store_params((Value**)stack.ptr(first), stack.top_index()-first);
818: method.check_actual_numbered_params(junction->self, &method_params);
819: method.native_code(*this, method_params); // execute it
820: }
1.332 misha 821:
822: stack.set_top_index(first);
823: } else {
824: MethodParams method_params;
825: method.check_actual_numbered_params(junction->self, &method_params);
826: method.native_code(*this, method_params); // execute it
827: }
1.353 misha 828: } else if(method.call_optimization==Method::CO_WITHOUT_WCONTEXT){
1.397 moko 829: METHOD_FRAME_ACTION(method, method_frame, junction->self, {
830: METHOD_PARAMS_ACTION(call_write(frame))
831: });
1.332 misha 832: } else
833: #endif // OPTIMIZE_CALL
834: {
1.397 moko 835: METHOD_FRAME_ACTION(method, method_frame, junction->self, {
836: METHOD_PARAMS_ACTION(call(frame));
837: write(frame.result());
838: });
1.332 misha 839: }
1.336 misha 840:
841: DEBUG_PRINT_STR("<-returned")
1.403 moko 842: goto check_skip;
1.49 paf 843: }
844:
1.348 misha 845: case OP::OP_CONSTRUCT_OBJECT:
846: case OP::OP_CONSTRUCT_OBJECT__WRITE:
847: {
848: debug_origin=i.next().origin;
849: Value& vclass_name=*i.next().value;
1.360 pretende 850: const String& class_name=*vclass_name.get_string(); debug_name=&class_name;
1.348 misha 851:
852: DEBUG_PRINT_STRING(class_name)
853:
1.384 moko 854: VStateless_class* vclass=get_class(class_name);
855: if(!vclass)
856: throw Exception(PARSER_RUNTIME, &class_name, "class is undefined");
1.348 misha 857:
858: debug_origin=i.next().origin;
859: Value& vconstructor_name=*i.next().value;
860: const String& constructor_name=*vconstructor_name.get_string(); debug_name=&constructor_name;
861:
862: DEBUG_PRINT_STRING(constructor_name)
863:
1.384 moko 864: Junction* constructor_junction=get_element(*vclass, constructor_name).get_junction();
1.363 moko 865: if(!constructor_junction)
1.384 moko 866: throw Exception(PARSER_RUNTIME, &constructor_name, "constructor must be declared in class '%s'", vclass->type());
1.350 misha 867:
1.348 misha 868: ArrayOperation* local_ops=i.next().ops;
869: DEBUG_PRINT_OPS(local_ops)
870: DEBUG_PRINT_STR("->\n")
871:
1.370 moko 872: Value *result;
873: {
1.384 moko 874: Value& object=construct(*vclass, *constructor_junction->method);
1.397 moko 875: CONSTRUCTOR_FRAME_ACTION(*constructor_junction->method, method_frame, object, {
876: METHOD_PARAMS_ACTION(call(frame));
877: object.enable_default_setter();
878: result=&frame.result();
879: // desctructor deletes junctions in stack params here
880: });
1.370 moko 881: }
1.355 misha 882:
1.350 misha 883: if(opcode==OP::OP_CONSTRUCT_OBJECT)
1.370 moko 884: stack.push(*result);
1.350 misha 885: else
1.396 moko 886: write(*result);
1.348 misha 887:
888: DEBUG_PRINT_STR("<-returned")
1.403 moko 889: goto check_skip;
1.348 misha 890: }
891:
1.55 paf 892: // expression ops: unary
1.322 misha 893: case OP::OP_NEG:
1.55 paf 894: {
1.297 paf 895: Value& a=stack.pop().value();
896: Value& value=*new VDouble(-a.as_double());
897: stack.push(value);
1.55 paf 898: break;
899: }
1.322 misha 900: case OP::OP_INV:
1.55 paf 901: {
1.297 paf 902: Value& a=stack.pop().value();
903: Value& value=*new VDouble(~a.as_int());
904: stack.push(value);
1.55 paf 905: break;
906: }
1.322 misha 907: case OP::OP_NOT:
1.55 paf 908: {
1.297 paf 909: Value& a=stack.pop().value();
1.327 misha 910: Value& value=VBool::get(!a.as_bool());
1.297 paf 911: stack.push(value);
1.55 paf 912: break;
913: }
1.322 misha 914: case OP::OP_DEF:
1.62 paf 915: {
1.297 paf 916: Value& a=stack.pop().value();
1.327 misha 917: Value& value=VBool::get(a.is_defined());
1.297 paf 918: stack.push(value);
1.62 paf 919: break;
920: }
1.322 misha 921: case OP::OP_IN:
1.62 paf 922: {
1.297 paf 923: Value& a=stack.pop().value();
924: const String& path=a.as_string();
1.327 misha 925: Value& value=VBool::get(request_info.uri && *request_info.uri && path.this_starts(request_info.uri));
1.297 paf 926: stack.push(value);
1.62 paf 927: break;
928: }
1.322 misha 929: case OP::OP_FEXISTS:
1.62 paf 930: {
1.297 paf 931: Value& a=stack.pop().value();
1.327 misha 932: Value& value=VBool::get(file_exist(absolute(a.as_string())));
1.297 paf 933: stack.push(value);
1.148 paf 934: break;
935: }
1.322 misha 936: case OP::OP_DEXISTS:
1.148 paf 937: {
1.297 paf 938: Value& a=stack.pop().value();
1.327 misha 939: Value& value=VBool::get(dir_exists(absolute(a.as_string())));
1.297 paf 940: stack.push(value);
1.62 paf 941: break;
942: }
1.55 paf 943:
944: // expression ops: binary
1.322 misha 945: case OP::OP_SUB:
1.53 paf 946: {
1.297 paf 947: Value& b=stack.pop().value(); Value& a=stack.pop().value();
948: Value& value=*new VDouble(a.as_double() - b.as_double());
949: stack.push(value);
1.53 paf 950: break;
951: }
1.322 misha 952: case OP::OP_ADD:
1.53 paf 953: {
1.297 paf 954: Value& b=stack.pop().value(); Value& a=stack.pop().value();
955: Value& value=*new VDouble(a.as_double() + b.as_double());
956: stack.push(value);
1.53 paf 957: break;
958: }
1.322 misha 959: case OP::OP_MUL:
1.49 paf 960: {
1.297 paf 961: Value& b=stack.pop().value(); Value& a=stack.pop().value();
962: Value& value=*new VDouble(a.as_double() * b.as_double());
963: stack.push(value);
1.53 paf 964: break;
965: }
1.322 misha 966: case OP::OP_DIV:
1.53 paf 967: {
1.297 paf 968: Value& b=stack.pop().value(); Value& a=stack.pop().value();
1.170 parser 969:
1.297 paf 970: double a_double=a.as_double();
971: double b_double=b.as_double();
1.170 parser 972:
1.171 parser 973: if(b_double == 0) {
1.297 paf 974: //const String* problem_source=b.as_string();
1.386 moko 975: throw Exception("number.zerodivision", 0, "Division by zero");
1.171 parser 976: }
1.170 parser 977:
1.297 paf 978: Value& value=*new VDouble(a_double / b_double);
979: stack.push(value);
1.54 paf 980: break;
981: }
1.322 misha 982: case OP::OP_MOD:
1.55 paf 983: {
1.297 paf 984: Value& b=stack.pop().value(); Value& a=stack.pop().value();
1.170 parser 985:
1.297 paf 986: double a_double=a.as_double();
987: double b_double=b.as_double();
1.170 parser 988:
1.173 parser 989: if(b_double == 0) {
1.297 paf 990: //const String* problem_source=b.as_string();
1.386 moko 991: throw Exception("number.zerodivision", 0, "Modulus by zero");
1.171 parser 992: }
1.170 parser 993:
1.297 paf 994: Value& value=*new VDouble(fmod(a_double, b_double));
995: stack.push(value);
1.201 paf 996: break;
997: }
1.322 misha 998: case OP::OP_INTDIV:
1.201 paf 999: {
1.297 paf 1000: Value& b=stack.pop().value(); Value& a=stack.pop().value();
1.201 paf 1001:
1.297 paf 1002: int a_int=a.as_int();
1003: int b_int=b.as_int();
1.201 paf 1004:
1005: if(b_int == 0) {
1.297 paf 1006: //const String* problem_source=b.as_string();
1.386 moko 1007: throw Exception("number.zerodivision", 0, "Division by zero");
1.201 paf 1008: }
1009:
1.297 paf 1010: Value& value=*new VInt(a_int / b_int);
1011: stack.push(value);
1.55 paf 1012: break;
1013: }
1.322 misha 1014: case OP::OP_BIN_SL:
1.274 paf 1015: {
1.297 paf 1016: Value& b=stack.pop().value(); Value& a=stack.pop().value();
1017: Value& value=*new VInt(
1018: a.as_int() <<
1019: b.as_int());
1020: stack.push(value);
1.274 paf 1021: break;
1022: }
1.322 misha 1023: case OP::OP_BIN_SR:
1.274 paf 1024: {
1.297 paf 1025: Value& b=stack.pop().value(); Value& a=stack.pop().value();
1026: Value& value=*new VInt(
1027: a.as_int() >>
1028: b.as_int());
1029: stack.push(value);
1.274 paf 1030: break;
1031: }
1.322 misha 1032: case OP::OP_BIN_AND:
1.54 paf 1033: {
1.297 paf 1034: Value& b=stack.pop().value(); Value& a=stack.pop().value();
1035: Value& value=*new VInt(
1036: a.as_int() &
1037: b.as_int());
1038: stack.push(value);
1.54 paf 1039: break;
1040: }
1.322 misha 1041: case OP::OP_BIN_OR:
1.54 paf 1042: {
1.297 paf 1043: Value& b=stack.pop().value(); Value& a=stack.pop().value();
1044: Value& value=*new VInt(
1045: a.as_int() |
1046: b.as_int());
1047: stack.push(value);
1.55 paf 1048: break;
1049: }
1.322 misha 1050: case OP::OP_BIN_XOR:
1.56 paf 1051: {
1.297 paf 1052: Value& b=stack.pop().value(); Value& a=stack.pop().value();
1053: Value& value=*new VInt(
1054: a.as_int() ^
1055: b.as_int());
1056: stack.push(value);
1.56 paf 1057: break;
1058: }
1.322 misha 1059: case OP::OP_LOG_AND:
1.55 paf 1060: {
1.297 paf 1061: ArrayOperation& local_ops=stack.pop().ops(); Value& a=stack.pop().value();
1.263 paf 1062: bool result;
1.297 paf 1063: if(a.as_bool()) {
1064: execute(local_ops);
1065: Value& b=stack.pop().value();
1066: result=b.as_bool();
1.209 paf 1067: } else
1.263 paf 1068: result=false;
1.327 misha 1069: Value& value=VBool::get(result);
1.297 paf 1070: stack.push(value);
1.403 moko 1071: goto check_skip;
1.55 paf 1072: }
1.322 misha 1073: case OP::OP_LOG_OR:
1.55 paf 1074: {
1.297 paf 1075: ArrayOperation& local_ops=stack.pop().ops(); Value& a=stack.pop().value();
1.263 paf 1076: bool result;
1.297 paf 1077: if(a.as_bool())
1.263 paf 1078: result=true;
1.209 paf 1079: else {
1.297 paf 1080: execute(local_ops);
1081: Value& b=stack.pop().value();
1082: result=b.as_bool();
1.209 paf 1083: }
1.327 misha 1084: Value& value=VBool::get(result);
1.297 paf 1085: stack.push(value);
1.403 moko 1086: goto check_skip;
1.56 paf 1087: }
1.322 misha 1088: case OP::OP_LOG_XOR:
1.56 paf 1089: {
1.297 paf 1090: Value& b=stack.pop().value(); Value& a=stack.pop().value();
1.327 misha 1091: Value& value=VBool::get(a.as_bool() ^ b.as_bool());
1.297 paf 1092: stack.push(value);
1.55 paf 1093: break;
1094: }
1.322 misha 1095: case OP::OP_NUM_LT:
1.55 paf 1096: {
1.297 paf 1097: volatile double b_double=stack.pop().value().as_double();
1098: volatile double a_double=stack.pop().value().as_double();
1.327 misha 1099: Value& value=VBool::get(a_double<b_double);
1.297 paf 1100: stack.push(value);
1.55 paf 1101: break;
1102: }
1.322 misha 1103: case OP::OP_NUM_GT:
1.55 paf 1104: {
1.297 paf 1105: volatile double b_double=stack.pop().value().as_double();
1106: volatile double a_double=stack.pop().value().as_double();
1.327 misha 1107: Value& value=VBool::get(a_double>b_double);
1.297 paf 1108: stack.push(value);
1.55 paf 1109: break;
1110: }
1.322 misha 1111: case OP::OP_NUM_LE:
1.55 paf 1112: {
1.297 paf 1113: volatile double b_double=stack.pop().value().as_double();
1114: volatile double a_double=stack.pop().value().as_double();
1.327 misha 1115: Value& value=VBool::get(a_double<=b_double);
1.297 paf 1116: stack.push(value);
1.55 paf 1117: break;
1118: }
1.322 misha 1119: case OP::OP_NUM_GE:
1.55 paf 1120: {
1.297 paf 1121: volatile double b_double=stack.pop().value().as_double();
1122: volatile double a_double=stack.pop().value().as_double();
1.327 misha 1123: Value& value=VBool::get(a_double>=b_double);
1.297 paf 1124: stack.push(value);
1.55 paf 1125: break;
1126: }
1.322 misha 1127: case OP::OP_NUM_EQ:
1.55 paf 1128: {
1.297 paf 1129: volatile double b_double=stack.pop().value().as_double();
1130: volatile double a_double=stack.pop().value().as_double();
1.327 misha 1131: Value& value=VBool::get(a_double==b_double);
1.297 paf 1132: stack.push(value);
1.55 paf 1133: break;
1134: }
1.322 misha 1135: case OP::OP_NUM_NE:
1.55 paf 1136: {
1.297 paf 1137: volatile double b_double=stack.pop().value().as_double();
1138: volatile double a_double=stack.pop().value().as_double();
1.327 misha 1139: Value& value=VBool::get(a_double!=b_double);
1.297 paf 1140: stack.push(value);
1.54 paf 1141: break;
1142: }
1.322 misha 1143: case OP::OP_STR_LT:
1.58 paf 1144: {
1.297 paf 1145: Value& b=stack.pop().value(); Value& a=stack.pop().value();
1.327 misha 1146: Value& value=VBool::get(a.as_string() < b.as_string());
1.297 paf 1147: stack.push(value);
1.58 paf 1148: break;
1149: }
1.322 misha 1150: case OP::OP_STR_GT:
1.58 paf 1151: {
1.297 paf 1152: Value& b=stack.pop().value(); Value& a=stack.pop().value();
1.327 misha 1153: Value& value=VBool::get(a.as_string() > b.as_string());
1.297 paf 1154: stack.push(value);
1.58 paf 1155: break;
1156: }
1.322 misha 1157: case OP::OP_STR_LE:
1.58 paf 1158: {
1.297 paf 1159: Value& b=stack.pop().value(); Value& a=stack.pop().value();
1.327 misha 1160: Value& value=VBool::get(a.as_string() <= b.as_string());
1.297 paf 1161: stack.push(value);
1.58 paf 1162: break;
1163: }
1.322 misha 1164: case OP::OP_STR_GE:
1.54 paf 1165: {
1.297 paf 1166: Value& b=stack.pop().value(); Value& a=stack.pop().value();
1.327 misha 1167: Value& value=VBool::get(a.as_string() >= b.as_string());
1.297 paf 1168: stack.push(value);
1.58 paf 1169: break;
1170: }
1.322 misha 1171: case OP::OP_STR_EQ:
1.58 paf 1172: {
1.297 paf 1173: Value& b=stack.pop().value(); Value& a=stack.pop().value();
1.327 misha 1174: Value& value=VBool::get(a.as_string() == b.as_string());
1.297 paf 1175: stack.push(value);
1.58 paf 1176: break;
1177: }
1.322 misha 1178: case OP::OP_STR_NE:
1.58 paf 1179: {
1.297 paf 1180: Value& b=stack.pop().value(); Value& a=stack.pop().value();
1.327 misha 1181: Value& value=VBool::get(a.as_string() != b.as_string());
1.297 paf 1182: stack.push(value);
1.103 paf 1183: break;
1184: }
1.322 misha 1185: case OP::OP_IS:
1.103 paf 1186: {
1.297 paf 1187: Value& b=stack.pop().value(); Value& a=stack.pop().value();
1.327 misha 1188: Value& value=VBool::get(a.is(b.as_string().cstr()));
1.297 paf 1189: stack.push(value);
1.28 paf 1190: break;
1191: }
1.11 paf 1192: default:
1.403 moko 1193: {
1194: throw Exception(0, 0, "invalid opcode %d", opcode);
1195: }
1196: check_skip:
1197: {
1198: if(fskip){
1199: if(fskip==Request::SKIP_INTERRUPTED){
1200: set_skip(Request::SKIP_NOTHING);
1201: throw Exception("parser.interrupted", 0, "execution stopped");
1202: }
1203: return;
1204: }
1205: break;
1206: }
1.11 paf 1207: }
1208: }
1.306 paf 1209: } catch(const Exception&) {
1.297 paf 1210: // record it to stack trace
1.301 paf 1211: if(debug_name)
1212: exception_trace.push(Trace(debug_name, debug_origin));
1.297 paf 1213: rethrow;
1214: }
1.1 paf 1215: }
1.17 paf 1216:
1.330 misha 1217: #define SAVE_CONTEXT \
1.386 moko 1218: VMethodFrame *saved_method_frame=method_frame; \
1219: Value* saved_rcontext=rcontext; \
1.330 misha 1220: WContext *saved_wcontext=wcontext;
1221:
1.386 moko 1222: #define RESTORE_CONTEXT \
1223: wcontext=saved_wcontext; \
1224: rcontext=saved_rcontext; \
1.330 misha 1225: method_frame=saved_method_frame;
1226:
1.384 moko 1227: Value& Request::construct(VStateless_class &called_class, const Method &method){
1.363 moko 1228:
1229: if(method.call_type!=Method::CT_STATIC) {
1230: // this is a constructor call
1231: if(Value* result=called_class.create_new_value(fpool)) {
1.319 misha 1232: // some stateless_class creatable derivates
1.363 moko 1233: return *result;
1234: } else
1.401 moko 1235: throw Exception(PARSER_RUNTIME, method.name,
1236: "is not a constructor, system class '%s' can be constructed only implicitly", called_class.type());
1.363 moko 1237: } else
1.402 moko 1238: throw Exception(PARSER_RUNTIME, method.name, "method of '%s' is static and can not be used as constructor", called_class.type());
1.363 moko 1239: }
1.319 misha 1240:
1.330 misha 1241: Value& Request::get_element(Value& ncontext, const String& name) {
1.376 moko 1242: Value* value=ncontext.get_element(name);
1.388 moko 1243: return *(value ? &process(*value) : VVoid::get());
1.376 moko 1244: }
1245:
1.383 moko 1246: #ifdef FEATURE_GET_ELEMENT4CALL
1.376 moko 1247: Value& Request::get_element4call(Value& ncontext, const String& name) {
1248: Value* value=ncontext.get_element4call(name);
1.388 moko 1249: return *(value ? &process(*value) : VVoid::get());
1.309 paf 1250: }
1.383 moko 1251: #endif
1.309 paf 1252:
1.329 misha 1253: void Request::put_element(Value& ncontext, const String& name, Value* value) {
1.309 paf 1254: // put_element can return property-setting-junction
1.371 moko 1255: if(const VJunction* vjunction=ncontext.put_element(name, value))
1.312 paf 1256: if(vjunction!=PUT_ELEMENT_REPLACED_ELEMENT) {
1.363 moko 1257: const Junction& junction = vjunction->junction();
1.397 moko 1258: int param_count=junction.method->params_count;
1.329 misha 1259:
1.397 moko 1260: if(junction.auto_name){
1.364 moko 1261: // default setter
1.397 moko 1262: if(param_count!=2)
1263: throw Exception(PARSER_RUNTIME, 0, "default setter method must have TWO parameters (has %d parameters)", param_count);
1.364 moko 1264:
1265: Value* params[2] = { new VString(*junction.auto_name), value };
1266:
1.397 moko 1267: CONSTRUCTOR_FRAME_ACTION(*junction.method, method_frame /*caller*/, junction.self, {
1268: frame.store_params(params, 2);
1269: Temp_disable_default_setter temp(junction.self);
1270: call(frame);
1271: });
1272: } else {
1.364 moko 1273: // setter
1.397 moko 1274: if(param_count!=1)
1275: throw Exception(PARSER_RUNTIME, 0, "setter method must have ONE parameter (has %d parameters)", param_count);
1.364 moko 1276:
1.397 moko 1277: CONSTRUCTOR_FRAME_ACTION(*junction.method, method_frame /*caller*/, junction.self, {
1278: frame.store_params(&value, 1);
1279: call(frame);
1280: });
1.364 moko 1281: }
1282: }
1283: }
1284:
1.385 moko 1285: Value& Request::process_getter(Junction& junction) {
1.397 moko 1286: int param_count=junction.method->params_count;
1.364 moko 1287:
1.397 moko 1288: if(junction.auto_name){
1.364 moko 1289: // default getter
1.397 moko 1290: if(param_count>1)
1291: throw Exception(PARSER_RUNTIME, 0, "default getter method can't have more then 1 parameter (has %d parameters)", param_count);
1292:
1.364 moko 1293: Value *param;
1.397 moko 1294: METHOD_FRAME_ACTION(*junction.method, method_frame/*caller*/, junction.self, {
1.364 moko 1295:
1.397 moko 1296: if(param_count){
1297: param=new VString(*junction.auto_name);
1298: frame.store_params(¶m, 1);
1299: } // no need for else frame.empty_params()
1300:
1301: Temp_disable_default_getter temp(junction.self);
1302: call(frame);
1303: return frame.result();
1304: });
1.364 moko 1305: } else {
1306: // getter
1.397 moko 1307: if(param_count>0)
1.386 moko 1308: throw Exception(PARSER_RUNTIME, 0, "getter method must have no parameters (has %d parameters)", param_count);
1.364 moko 1309:
1.397 moko 1310: METHOD_FRAME_ACTION(*junction.method, method_frame/*caller*/, junction.self, {
1311: // no need for frame.empty_params()
1312: call(frame);
1313: return frame.result();
1314: });
1.364 moko 1315: }
1.309 paf 1316:
1.34 paf 1317: }
1.70 paf 1318:
1.389 moko 1319: Value& Request::process(Value& input_value) {
1.297 paf 1320: Junction* junction=input_value.get_junction();
1.307 paf 1321: if(junction) {
1322: if(junction->is_getter) { // is it a getter-junction?
1.389 moko 1323: return process(process_getter(*junction));
1.307 paf 1324: }
1325:
1326: if(junction->code) { // is it a code-junction?
1327: // process it
1.385 moko 1328: ValueRef result;
1.336 misha 1329:
1330: DEBUG_PRINT_STR("ja->\n")
1.238 paf 1331:
1.307 paf 1332: if(!junction->method_frame)
1.386 moko 1333: throw Exception(PARSER_RUNTIME, 0, "junction used outside of context");
1.240 paf 1334:
1.330 misha 1335: SAVE_CONTEXT
1.307 paf 1336:
1337: method_frame=junction->method_frame;
1338: rcontext=junction->rcontext;
1339:
1.389 moko 1340: // for code in [] and () wcontext is set 0
1341: // using the fact in decision "which wrapper to use"
1.399 moko 1342: if(junction->wcontext) {
1.389 moko 1343: // {} code wrapper
1.318 misha 1344: VCodeFrame local(*junction->wcontext);
1.307 paf 1345: wcontext=&local;
1346:
1347: // execute it
1348: recoursion_checked_execute(*junction->code);
1349:
1.318 misha 1350: result=wcontext->result();
1.307 paf 1351: } else {
1.389 moko 1352: // [] or () code wrapper
1.351 misha 1353: WWrapper local(wcontext);
1.307 paf 1354: wcontext=&local;
1355:
1356: // execute it
1357: recoursion_checked_execute(*junction->code);
1358:
1359: result=wcontext->result();
1360: }
1361:
1.330 misha 1362: RESTORE_CONTEXT
1.207 paf 1363:
1.336 misha 1364: DEBUG_PRINT_STR("<-ja returned")
1365:
1.307 paf 1366: return result;
1367: }
1368:
1369: // it is then method-junction, do not explode it
1370: // just return it as we do for usual objects
1371: }
1372:
1373: return input_value;
1.85 paf 1374: }
1375:
1.332 misha 1376: void Request::process_write(Value& input_value) {
1377: Junction* junction=input_value.get_junction();
1378: if(junction) {
1.375 moko 1379: // no getter-junction check as process_write is called
1380: // to process method arguments, not from get_element
1.332 misha 1381:
1382: if(junction->code) { // is it a code-junction?
1.389 moko 1383: // process it
1.336 misha 1384:
1385: DEBUG_PRINT_STR("ja->\n")
1386:
1.332 misha 1387: if(!junction->method_frame)
1.386 moko 1388: throw Exception(PARSER_RUNTIME, 0, "junction used outside of context");
1.332 misha 1389:
1390: SAVE_CONTEXT
1391:
1392: method_frame=junction->method_frame;
1393: rcontext=junction->rcontext;
1394:
1.389 moko 1395: // for code in [] and () wcontext is set 0
1.332 misha 1396: // using the fact in decision "which wwrapper to use"
1397: #ifdef OPTIMIZE_CALL
1398: if(wcontext==junction->wcontext){
1399: // no wrappers for wcontext
1400: recoursion_checked_execute(*junction->code);
1401: RESTORE_CONTEXT
1402:
1403: } else
1404: #endif
1405: if(junction->wcontext) {
1.389 moko 1406: // {} code wrapper
1.332 misha 1407: VCodeFrame local(*junction->wcontext);
1408: wcontext=&local;
1409:
1410: // execute it
1411: recoursion_checked_execute(*junction->code);
1412: RESTORE_CONTEXT
1.396 moko 1413: write(local.result());
1.332 misha 1414: } else {
1.389 moko 1415: // [] or () code wrapper
1.351 misha 1416: WWrapper local(wcontext);
1.332 misha 1417: wcontext=&local;
1418:
1419: // execute it
1420: recoursion_checked_execute(*junction->code);
1421: RESTORE_CONTEXT
1.396 moko 1422: write(local.result());
1.332 misha 1423: }
1.336 misha 1424:
1425: DEBUG_PRINT_STR("<-ja returned")
1426:
1.332 misha 1427: return;
1428: }
1429:
1430: // it is then method-junction, do not explode it
1431: // just return it as we do for usual objects
1432: }
1433:
1.396 moko 1434: write(input_value);
1.332 misha 1435: }
1436:
1.386 moko 1437: const String* Request::execute_method(Value& aself, const Method& method, Value* optional_param, bool do_return_string) {
1.397 moko 1438: METHOD_FRAME_ACTION(method, method_frame/*caller*/, aself, {
1.317 misha 1439:
1.397 moko 1440: if(optional_param && method.params_count>0) {
1441: frame.store_params(&optional_param, 1);
1442: } else {
1443: frame.empty_params();
1444: }
1.246 paf 1445:
1.397 moko 1446: // prevent non-string writes for better error reporting
1447: if(do_return_string)
1448: frame.write(frame);
1.208 paf 1449:
1.397 moko 1450: call(frame);
1.99 paf 1451:
1.397 moko 1452: return do_return_string ? frame.get_string() : 0;
1453: });
1.242 paf 1454: }
1455:
1.297 paf 1456: Request::Execute_nonvirtual_method_result
1.386 moko 1457: Request::execute_nonvirtual_method(VStateless_class& aclass, const String& method_name, VString* optional_param, bool do_return_string) {
1.297 paf 1458: Execute_nonvirtual_method_result result;
1459: result.method=aclass.get_method(method_name);
1460: if(result.method)
1.317 misha 1461: result.string=execute_method(aclass, *result.method, optional_param, do_return_string);
1.297 paf 1462: return result;
1.99 paf 1463: }
1464:
1.386 moko 1465: const String* Request::execute_virtual_method(Value& aself, const String& method_name) {
1.354 misha 1466: if(Value* value=aself.get_element(method_name))
1.297 paf 1467: if(Junction* junction=value->get_junction())
1468: if(const Method *method=junction->method)
1469: return execute_method(aself, *method, 0/*no params*/, true);
1.188 parser 1470:
1.176 parser 1471: return 0;
1472: }
1.362 misha 1473:
1.398 moko 1474: const String* Request::get_method_filespec(const Method* method){
1.404 moko 1475: Operation::Origin origin=get_method_origin(method);
1476: return origin.file_no ? get_used_filespec(origin.file_no) : NULL;
1477: }
1478:
1479: const Operation::Origin Request::get_method_origin(const Method* method){
1480: Operation::Origin origin={0, 0, 0};
1481:
1.362 misha 1482: if(ArrayOperation* code=method->parser_code)
1483: if(code){
1484: Array_iterator<Operation> i(*code);
1485: while( i.has_next() ){
1486: switch( i.next().code ){
1487: case OP::OP_CURLY_CODE__STORE_PARAM:
1488: case OP::OP_EXPR_CODE__STORE_PARAM:
1489: case OP::OP_CURLY_CODE__CONSTRUCT:
1490: case OP::OP_NESTED_CODE:
1491: case OP::OP_OBJECT_POOL:
1492: case OP::OP_STRING_POOL:
1493: case OP::OP_CALL:
1494: case OP::OP_CALL__WRITE:
1495: {
1496: i.next(); // skip local ops
1497: i.next(); // skip next opcode
1498: // continue execution
1499: }
1500: case OP::OP_CONSTRUCT_OBJECT:
1501: case OP::OP_CONSTRUCT_OBJECT__WRITE:
1502: case OP::OP_VALUE:
1503: case OP::OP_STRING__WRITE:
1504: case OP::OP_VALUE__GET_CLASS:
1.383 moko 1505: case OP::OP_VALUE__GET_BASE_CLASS:
1.362 misha 1506: #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_ELEMENT
1507: case OP::OP_GET_OBJECT_ELEMENT:
1508: case OP::OP_GET_OBJECT_ELEMENT__WRITE:
1509: #endif
1510: #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_VAR_ELEMENT
1511: case OP::OP_GET_OBJECT_VAR_ELEMENT:
1512: case OP::OP_GET_OBJECT_VAR_ELEMENT__WRITE:
1513: #endif
1514: #ifdef OPTIMIZE_BYTECODE_GET_ELEMENT
1515: case OP::OP_VALUE__GET_ELEMENT:
1516: case OP::OP_VALUE__GET_ELEMENT__WRITE:
1517: case OP::OP_VALUE__GET_ELEMENT_OR_OPERATOR:
1518: case OP::OP_WITH_ROOT__VALUE__GET_ELEMENT:
1519: #endif
1520: #ifdef OPTIMIZE_BYTECODE_GET_SELF_ELEMENT
1521: case OP::OP_WITH_SELF__VALUE__GET_ELEMENT:
1522: case OP::OP_WITH_SELF__VALUE__GET_ELEMENT__WRITE:
1523: #endif
1.377 moko 1524:
1525: #ifdef FEATURE_GET_ELEMENT4CALL
1526: case OP::OP_GET_ELEMENT4CALL:
1527: #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_ELEMENT
1528: case OP::OP_GET_OBJECT_ELEMENT4CALL:
1529: #endif
1530: #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_VAR_ELEMENT
1531: case OP::OP_GET_OBJECT_VAR_ELEMENT4CALL:
1532: #endif
1533: #endif // FEATURE_GET_ELEMENT4CALL
1534:
1.362 misha 1535: #ifdef OPTIMIZE_BYTECODE_CONSTRUCT
1536: case OP::OP_WITH_ROOT__VALUE__CONSTRUCT_EXPR:
1537: case OP::OP_WITH_ROOT__VALUE__CONSTRUCT_VALUE:
1538: case OP::OP_WITH_WRITE__VALUE__CONSTRUCT_EXPR:
1539: case OP::OP_WITH_WRITE__VALUE__CONSTRUCT_VALUE:
1540: case OP::OP_WITH_SELF__VALUE__CONSTRUCT_EXPR:
1541: case OP::OP_WITH_SELF__VALUE__CONSTRUCT_VALUE:
1542: #endif
1543: {
1544: origin=i.next().origin;
1545: break;
1546: }
1.373 moko 1547: default: break;
1.362 misha 1548: }
1549: if(origin.file_no)
1.404 moko 1550: return origin;
1.362 misha 1551: }
1552: }
1.404 moko 1553: return origin;
1.362 misha 1554: }
1555:
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