Annotation of parser3/src/main/execute.C, revision 1.427
1.117 paf 1: /** @file
1.118 paf 2: Parser: executor part of request class.
3:
1.425 moko 4: Copyright (c) 2001-2024 Art. Lebedev Studio (http://www.artlebedev.com)
1.414 moko 5: Authors: Konstantin Morshnev <moko@design.ru>, Alexandr Petrosian <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"
1.421 moko 22: #include "pa_varray.h"
1.194 parser 23: #include "pa_wwrapper.h"
1.1 paf 24:
1.427 ! moko 25: volatile const char * IDENT_EXECUTE_C="$Id: execute.C,v 1.426 2024/12/23 16:59:17 moko Exp $" IDENT_PA_OPCODE_H IDENT_PA_OPERATION_H IDENT_PA_VCODE_FRAME_H IDENT_PA_WWRAPPER_H;
1.368 moko 26:
1.233 paf 27: //#define DEBUG_EXECUTE
1.157 parser 28:
29: #ifdef DEBUG_EXECUTE
1.387 moko 30: const char *opcode_name[]={
1.49 paf 31: // literals
1.109 paf 32: "VALUE", "CURLY_CODE__STORE_PARAM", "EXPR_CODE__STORE_PARAM",
1.209 paf 33: "NESTED_CODE",
1.49 paf 34:
35: // actions
1.187 parser 36: "WITH_ROOT", "WITH_SELF", "WITH_READ", "WITH_WRITE",
1.387 moko 37: "VALUE__GET_CLASS", "VALUE__GET_BASE_CLASS",
1.421 moko 38: "CONSTRUCT_VALUE", "CONSTRUCT_EXPR", "CURLY_CODE__CONSTRUCT", "CONSTRUCT_ARRAY",
1.108 paf 39: "WRITE_VALUE", "WRITE_EXPR_RESULT", "STRING__WRITE",
1.328 misha 40: #ifdef OPTIMIZE_BYTECODE_GET_ELEMENT
41: "VALUE__GET_ELEMENT_OR_OPERATOR",
42: #else
43: "GET_ELEMENT_OR_OPERATOR",
44: #endif
45: "GET_ELEMENT",
1.346 misha 46: "GET_ELEMENT__WRITE",
47: #ifdef OPTIMIZE_BYTECODE_GET_ELEMENT
48: "VALUE__GET_ELEMENT",
49: "VALUE__GET_ELEMENT__WRITE",
1.347 misha 50: "WITH_ROOT__VALUE__GET_ELEMENT",
1.346 misha 51: #endif
1.335 misha 52: #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_ELEMENT
53: "GET_OBJECT_ELEMENT",
54: "GET_OBJECT_ELEMENT__WRITE",
55: #endif
56: #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_VAR_ELEMENT
57: "GET_OBJECT_VAR_ELEMENT",
58: "GET_OBJECT_VAR_ELEMENT__WRITE",
1.334 misha 59: #endif
1.345 misha 60: #ifdef OPTIMIZE_BYTECODE_GET_SELF_ELEMENT
61: "WITH_SELF__VALUE__GET_ELEMENT",
62: "WITH_SELF__VALUE__GET_ELEMENT__WRITE",
63: #endif
1.376 moko 64:
65: #ifdef FEATURE_GET_ELEMENT4CALL
66: "GET_ELEMENT4CALL",
67: #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_ELEMENT
68: "GET_OBJECT_ELEMENT4CALL",
69: #endif
70: #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_VAR_ELEMENT
71: "GET_OBJECT_VAR_ELEMENT4CALL",
72: #endif
73: #endif // FEATURE_GET_ELEMENT4CALL
74:
1.232 paf 75: "OBJECT_POOL", "STRING_POOL",
1.348 misha 76: "PREPARE_TO_CONSTRUCT_OBJECT",
77: "CONSTRUCT_OBJECT",
78: "CONSTRUCT_OBJECT__WRITE",
1.232 paf 79: "CALL", "CALL__WRITE",
1.49 paf 80:
1.337 misha 81: #ifdef OPTIMIZE_BYTECODE_CONSTRUCT
1.344 misha 82: "WITH_ROOT__VALUE__CONSTRUCT_EXPR",
83: "WITH_ROOT__VALUE__CONSTRUCT_VALUE",
84: "WITH_WRITE__VALUE__CONSTRUCT_EXPR",
85: "WITH_WRITE__VALUE__CONSTRUCT_VALUE",
1.345 misha 86: "WITH_SELF__VALUE__CONSTRUCT_EXPR",
87: "WITH_SELF__VALUE__CONSTRUCT_VALUE",
1.337 misha 88: #endif
89:
1.372 misha 90: #ifdef OPTIMIZE_BYTECODE_GET_ELEMENT__SPECIAL
91: "GET_ELEMENT__SPECIAL",
92: "GET_ELEMENT__SPECIAL__WRITE",
93: #endif
1.49 paf 94: // expression ops: unary
1.148 paf 95: "NEG", "INV", "NOT", "DEF", "IN", "FEXISTS", "DEXISTS",
1.49 paf 96: // expression ops: binary
1.201 paf 97: "SUB", "ADD", "MUL", "DIV", "MOD", "INTDIV",
1.275 paf 98: "BIN_SL", "BIN_SR",
1.56 paf 99: "BIN_AND", "BIN_OR", "BIN_XOR",
100: "LOG_AND", "LOG_OR", "LOG_XOR",
1.49 paf 101: "NUM_LT", "NUM_GT", "NUM_LE", "NUM_GE", "NUM_EQ", "NUM_NE",
1.103 paf 102: "STR_LT", "STR_GT", "STR_LE", "STR_GE", "STR_EQ", "STR_NE",
103: "IS"
1.1 paf 104: };
105:
1.342 misha 106: const char* debug_value_to_cstr(Value& value){
107: const String* string=value.get_string();
108:
109: if(string)
110: return string->cstr();
111: else
112: if(value.is_bool())
1.386 moko 113: return value.as_bool() ? "<true>" : "<false>";
1.342 misha 114: else
115: return "<value>";
116: }
117:
1.297 paf 118: void va_debug_printf(SAPI_Info& sapi_info, const char* fmt,va_list args) {
1.127 paf 119: char buf[MAX_STRING];
120: vsnprintf(buf, MAX_STRING, fmt, args);
1.297 paf 121: SAPI::log(sapi_info, "%s", buf);
1.107 paf 122: }
123:
1.297 paf 124: void debug_printf(SAPI_Info& sapi_info, const char* fmt, ...) {
1.334 misha 125: va_list args;
126: va_start(args, fmt);
127: va_debug_printf(sapi_info, fmt, args);
128: va_end(args);
1.105 paf 129: }
130:
1.297 paf 131: void debug_dump(SAPI_Info& sapi_info, int level, ArrayOperation& ops) {
1.419 moko 132: for(Array_iterator<Operation> i(ops); i;) {
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:
1.421 moko 223: case OP::OP_CONSTRUCT_ARRAY:
1.323 misha 224: case OP::OP_CALL:
225: case OP::OP_CALL__WRITE:
1.297 paf 226: if(ArrayOperation* local_ops=i.next().ops)
227: debug_dump(sapi_info, level+1, *local_ops);
1.1 paf 228: }
229: }
230: }
1.336 misha 231: #define DEBUG_PRINT_STR(str) debug_printf(sapi_info, str);
232: #define DEBUG_PRINT_STRING(value) debug_printf(sapi_info, " \"%s\" ", value.cstr());
1.342 misha 233: #define DEBUG_PRINT_VALUE_AND_TYPE(value) debug_printf(sapi_info, " \"%s\" %s", debug_value_to_cstr(value), value.type());
1.336 misha 234: #define DEBUG_PRINT_OPS(local_ops) \
235: debug_printf(sapi_info, \
236: " (%d)\n", local_ops?local_ops->count():0); \
237: if(local_ops) debug_dump(sapi_info, 1, *local_ops);
238:
239: #else
240: #define DEBUG_PRINT_STR(str)
241: #define DEBUG_PRINT_STRING(value)
1.342 misha 242: #define DEBUG_PRINT_VALUE_AND_TYPE(value)
1.336 misha 243: #define DEBUG_PRINT_OPS(local_ops)
1.157 parser 244: #endif
1.1 paf 245:
1.297 paf 246: // Request
247:
248: void Request::execute(ArrayOperation& ops) {
1.418 moko 249: Stack<StackItem>& stack=this->stack; // helps a lot on MSVC: 'esi'
1.159 parser 250:
1.304 paf 251: const String* debug_name=0; Operation::Origin debug_origin={0, 0, 0};
1.297 paf 252: try{
1.157 parser 253: #ifdef DEBUG_EXECUTE
1.297 paf 254: debug_printf(sapi_info, "source----------------------------\n");
255: debug_dump(sapi_info, 0, ops);
256: debug_printf(sapi_info, "execution-------------------------\n");
1.157 parser 257: #endif
1.419 moko 258: for(Array_iterator<Operation> i(ops); i; ) {
1.322 misha 259: OP::OPCODE opcode=i.next().code;
1.293 paf 260:
1.157 parser 261: #ifdef DEBUG_EXECUTE
1.297 paf 262: debug_printf(sapi_info, "%d:%s", stack.top_index()+1, opcode_name[opcode]);
1.157 parser 263: #endif
1.11 paf 264:
1.297 paf 265: switch(opcode) {
1.51 paf 266: // param in next instruction
1.322 misha 267: case OP::OP_VALUE:
1.32 paf 268: {
1.297 paf 269: debug_origin=i.next().origin;
270: Value& value=*i.next().value;
1.342 misha 271:
272: DEBUG_PRINT_VALUE_AND_TYPE(value)
273:
1.297 paf 274: stack.push(value);
1.32 paf 275: break;
276: }
1.328 misha 277: case OP::OP_VALUE__GET_CLASS:
278: {
1.383 moko 279: debug_origin=i.next().origin;
280: const String& name=*i.next().value->get_string(); debug_name=&name;
281:
282: DEBUG_PRINT_STRING(name)
283:
1.413 moko 284: stack.push(get_class_ref(name));
1.383 moko 285: break;
286: }
287:
288: case OP::OP_VALUE__GET_BASE_CLASS:
289: {
290: // ^class:method[] call
1.328 misha 291:
292: debug_origin=i.next().origin;
1.372 misha 293: const String& name=*i.next().value->get_string(); debug_name=&name;
1.328 misha 294:
1.336 misha 295: DEBUG_PRINT_STRING(name)
1.328 misha 296:
1.413 moko 297: stack.push(*new VBaseClassWrapper(get_class_ref(name), get_self()));
1.328 misha 298: break;
299: }
1.372 misha 300:
301: #ifdef OPTIMIZE_BYTECODE_GET_ELEMENT__SPECIAL
302: case OP::OP_GET_ELEMENT__SPECIAL:
303: case OP::OP_GET_ELEMENT__SPECIAL__WRITE:
304: {
305: const String& name=stack.pop().string(); debug_name=&name;
306: Value& ncontext=stack.pop().value();
307:
308: Value* value=0;
309: if(VStateless_class* vclass=ncontext.get_class()){
1.382 moko 310: if(SYMBOLS_EQ(name,CLASS_SYMBOL)){
1.372 misha 311: value=vclass;
1.382 moko 312: } else if(SYMBOLS_EQ(name,CLASS_NAME_SYMBOL)){
1.379 moko 313: value=new VString(*new String(vclass->type()));
1.372 misha 314: }
315: } else {
1.381 moko 316: // VJunction is without class, returning self
1.382 moko 317: if(SYMBOLS_EQ(name,CLASS_SYMBOL)){
1.381 moko 318: value=&ncontext;
1.382 moko 319: } else if(SYMBOLS_EQ(name,CLASS_NAME_SYMBOL)){
1.381 moko 320: value=new VString(*new String(ncontext.type()));
321: }
1.380 moko 322: }
1.372 misha 323: if(opcode==OP::OP_GET_ELEMENT__SPECIAL){
324: stack.push(*value);
325: } else {
1.396 moko 326: write(*value);
1.372 misha 327: }
328: break;
329: }
330: #endif
331:
1.51 paf 332: // OP_WITH
1.322 misha 333: case OP::OP_WITH_ROOT:
1.187 parser 334: {
1.297 paf 335: stack.push(*method_frame);
1.187 parser 336: break;
337: }
1.336 misha 338: case OP::OP_WITH_SELF:
1.37 paf 339: {
1.297 paf 340: stack.push(get_self());
1.37 paf 341: break;
342: }
1.336 misha 343: case OP::OP_WITH_READ:
1.15 paf 344: {
1.297 paf 345: stack.push(*rcontext);
1.20 paf 346: break;
347: }
1.336 misha 348: case OP::OP_WITH_WRITE:
1.20 paf 349: {
1.287 paf 350: if(wcontext==method_frame)
1.384 moko 351: throw Exception(PARSER_RUNTIME, 0, "$.name outside of $name[...]");
1.287 paf 352:
1.297 paf 353: stack.push(*wcontext);
1.20 paf 354: break;
355: }
1.37 paf 356:
1.51 paf 357: // OTHER ACTIONS BUT WITHs
1.337 misha 358:
359: #ifdef OPTIMIZE_BYTECODE_CONSTRUCT
1.392 moko 360: #define DO_CONSTRUCT(context, vvalue) { \
1.347 misha 361: debug_origin=i.next().origin; \
362: const String& name=*i.next().value->get_string(); debug_name=&name; \
363: DEBUG_PRINT_STRING(name) \
364: Value& value=stack.pop().value(); \
365: put_element( context, name, vvalue ); \
1.403 moko 366: goto check_skip; \
1.347 misha 367: }
368: #define DO_CONSTRUCT_VALUE(context) DO_CONSTRUCT(context, &value)
1.392 moko 369: #define DO_CONSTRUCT_EXPR(context) { \
1.347 misha 370: DO_CONSTRUCT(context, &value.as_expr_result()) \
371: }
372:
1.344 misha 373: case OP::OP_WITH_WRITE__VALUE__CONSTRUCT_EXPR:
1.347 misha 374: {
375: if(wcontext==method_frame)
376: throw Exception(PARSER_RUNTIME, 0, "$.name outside of $name[...]");
377: DO_CONSTRUCT_EXPR(*wcontext)
378: }
379:
1.344 misha 380: case OP::OP_WITH_WRITE__VALUE__CONSTRUCT_VALUE:
1.338 misha 381: {
382: if(wcontext==method_frame)
1.347 misha 383: throw Exception(PARSER_RUNTIME, 0, "$.name outside of $name[...]");
384: DO_CONSTRUCT_VALUE(*wcontext)
1.338 misha 385: }
1.345 misha 386:
1.347 misha 387: case OP::OP_WITH_ROOT__VALUE__CONSTRUCT_EXPR: DO_CONSTRUCT_EXPR(*method_frame)
1.337 misha 388:
1.347 misha 389: case OP::OP_WITH_ROOT__VALUE__CONSTRUCT_VALUE: DO_CONSTRUCT_VALUE(*method_frame)
1.337 misha 390:
1.347 misha 391: case OP::OP_WITH_SELF__VALUE__CONSTRUCT_EXPR: DO_CONSTRUCT_EXPR(get_self())
1.342 misha 392:
1.347 misha 393: case OP::OP_WITH_SELF__VALUE__CONSTRUCT_VALUE: DO_CONSTRUCT_VALUE(get_self())
1.345 misha 394:
1.340 misha 395: #endif // OPTIMIZE_BYTECODE_CONSTRUCT
1.337 misha 396:
1.344 misha 397: case OP::OP_CONSTRUCT_VALUE:
1.337 misha 398: {
1.344 misha 399: #ifdef OPTIMIZE_BYTECODE_CONSTRUCT
400: const String& name=stack.pop().string(); debug_name=&name;
401: Value& ncontext=stack.pop().value();
402: Value& value=stack.pop().value();
403: #else
404: Value& value=stack.pop().value();
405: const String& name=stack.pop().string(); debug_name=&name;
406: Value& ncontext=stack.pop().value();
407: #endif
408: put_element(ncontext, name, &value);
1.403 moko 409: goto check_skip;
1.337 misha 410: }
411:
1.322 misha 412: case OP::OP_CONSTRUCT_EXPR:
1.80 paf 413: {
1.344 misha 414: #ifdef OPTIMIZE_BYTECODE_CONSTRUCT
415: const String& name=stack.pop().string(); debug_name=&name;
416: Value& ncontext=stack.pop().value();
417: Value& expr=stack.pop().value();
418: #else
1.308 paf 419: Value& expr=stack.pop().value();
1.297 paf 420: const String& name=stack.pop().string(); debug_name=&name;
421: Value& ncontext=stack.pop().value();
1.344 misha 422: #endif
1.308 paf 423: Value& value=expr.as_expr_result();
1.329 misha 424: put_element(ncontext, name, &value);
1.403 moko 425: goto check_skip;
1.80 paf 426: }
1.337 misha 427:
1.322 misha 428: case OP::OP_CURLY_CODE__CONSTRUCT:
1.182 parser 429: {
1.297 paf 430: ArrayOperation& local_ops=*i.next().ops;
1.336 misha 431:
432: DEBUG_PRINT_OPS((&local_ops))
433:
1.326 misha 434: VJunction& value=*new VJunction(
1.297 paf 435: get_self(), 0,
1.257 paf 436: method_frame,
1.240 paf 437: rcontext,
438: wcontext,
1.312 paf 439: &local_ops);
1.238 paf 440:
1.326 misha 441: wcontext->attach_junction(&value);
442:
1.297 paf 443: const String& name=stack.pop().string(); debug_name=&name;
444: Value& ncontext=stack.pop().value();
1.426 moko 445: if(ncontext.put_element(name, &value))
1.422 moko 446: throw Exception(PARSER_RUNTIME, 0, "property value cannot be code, use [] or () brackets");
1.403 moko 447:
1.182 parser 448: break;
449: }
1.421 moko 450:
451: case OP::OP_CONSTRUCT_ARRAY:
452: {
453: ArrayOperation* local_ops=i.next().ops;
454:
455: DEBUG_PRINT_OPS(local_ops)
456: DEBUG_PRINT_STR("->\n")
457:
458: size_t first = stack.top_index();
459: execute(*local_ops);
460: Value *value=new VArray(stack.top_index()-first, (Value**)stack.ptr(first));
461: stack.set_top_index(first);
462:
463: #ifdef OPTIMIZE_BYTECODE_CONSTRUCT
464: const String& name=stack.pop().string(); debug_name=&name;
465: Value& ncontext=stack.pop().value();
466: #else
467: const String& name=stack.pop().string(); debug_name=&name;
468: Value& ncontext=stack.pop().value();
469: #endif
470: put_element(ncontext, name, value);
471:
472: DEBUG_PRINT_STR("<-returned")
473: goto check_skip;
474: }
475:
1.322 misha 476: case OP::OP_NESTED_CODE:
1.209 paf 477: {
1.297 paf 478: ArrayOperation& local_ops=*i.next().ops;
1.336 misha 479:
480: DEBUG_PRINT_OPS((&local_ops))
481:
1.297 paf 482: stack.push(local_ops);
1.209 paf 483: break;
484: }
1.322 misha 485: case OP::OP_WRITE_VALUE:
1.13 paf 486: {
1.297 paf 487: Value& value=stack.pop().value();
1.396 moko 488: write(value);
1.86 paf 489: break;
490: }
1.322 misha 491: case OP::OP_WRITE_EXPR_RESULT:
1.108 paf 492: {
1.351 misha 493: Value& value=stack.pop().value();
494: wcontext->write(value.as_expr_result());
1.108 paf 495: break;
496: }
1.322 misha 497: case OP::OP_STRING__WRITE:
1.86 paf 498: {
1.297 paf 499: i.next(); // ignore origin
500: Value* value=i.next().value;
1.336 misha 501:
502: const String& string_value=*value->get_string();
503:
504: DEBUG_PRINT_STRING(string_value)
505:
1.396 moko 506: write(string_value);
1.13 paf 507: break;
1.14 paf 508: }
1.328 misha 509:
510: #ifdef OPTIMIZE_BYTECODE_GET_ELEMENT
511: case OP::OP_VALUE__GET_ELEMENT_OR_OPERATOR:
512: {
513: debug_origin=i.next().origin;
514: const String& name=*i.next().value->get_string(); debug_name=&name;
515:
1.336 misha 516: DEBUG_PRINT_STRING(name)
517:
1.330 misha 518: if(Method* method=main_class.get_method(name)){ // looking operator of that name FIRST
1.427 ! moko 519: stack.push(*method->get_vjunction(main_class));
1.330 misha 520: break;
521: }
522: Value& value=get_element(*rcontext, name);
1.328 misha 523: stack.push(value);
1.403 moko 524: goto check_skip;
1.328 misha 525: }
526: #else
1.322 misha 527: case OP::OP_GET_ELEMENT_OR_OPERATOR:
1.215 paf 528: {
1.297 paf 529: const String& name=stack.pop().string(); debug_name=&name;
530: Value& ncontext=stack.pop().value();
1.330 misha 531: if(Method* method=main_class.get_method(name)){ // looking operator of that name FIRST
1.427 ! moko 532: stack.push(*method->get_vjunction(main_class));
1.330 misha 533: break;
534: }
535: Value& value=get_element(ncontext, name);
1.297 paf 536: stack.push(value);
1.403 moko 537: goto check_skip;
1.215 paf 538: }
1.328 misha 539: #endif
540:
1.335 misha 541: #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_ELEMENT
1.336 misha 542:
1.376 moko 543: #define DO_GET_OBJECT_ELEMENT(code) {\
544: debug_origin=i.next().origin; \
545: const String& context_name=*i.next().value->get_string(); debug_name=&context_name; \
546: DEBUG_PRINT_STRING(context_name) \
547: Value& object=get_element(*rcontext, context_name); \
548: debug_origin=i.next().origin; \
549: const String& field_name=*i.next().value->get_string(); debug_name=&field_name; \
550: DEBUG_PRINT_STRING(field_name) \
551: code; \
1.403 moko 552: goto check_skip; \
1.376 moko 553: }
1.336 misha 554:
1.376 moko 555: case OP::OP_GET_OBJECT_ELEMENT: DO_GET_OBJECT_ELEMENT({
556: Value& value=get_element(object, field_name);
557: stack.push(value);
558: })
559: case OP::OP_GET_OBJECT_ELEMENT__WRITE: DO_GET_OBJECT_ELEMENT({
1.334 misha 560: Value& value=get_element(object, field_name);
1.396 moko 561: write(value);
1.376 moko 562: })
563: #ifdef FEATURE_GET_ELEMENT4CALL
564: case OP::OP_GET_OBJECT_ELEMENT4CALL: DO_GET_OBJECT_ELEMENT({
565: Value& value=get_element4call(object, field_name);
566: stack.push(value);
567: })
568: #endif
1.335 misha 569: #endif
570:
571: #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_VAR_ELEMENT
1.336 misha 572:
1.376 moko 573: #define DO_GET_OBJECT_VAR_ELEMENT(code) {\
574: debug_origin=i.next().origin; \
575: const String& context_name=*i.next().value->get_string(); debug_name=&context_name; \
576: DEBUG_PRINT_STRING(context_name) \
577: Value& object=get_element(*rcontext, context_name); \
578: debug_origin=i.next().origin; \
579: const String& var_name=*i.next().value->get_string(); debug_name=&var_name; \
580: DEBUG_PRINT_STRING(var_name) \
581: const String* field=&get_element(*rcontext, var_name).as_string(); \
582: code; \
1.403 moko 583: goto check_skip; \
1.376 moko 584: }
1.335 misha 585:
1.376 moko 586: case OP::OP_GET_OBJECT_VAR_ELEMENT: DO_GET_OBJECT_VAR_ELEMENT({
587: Value& value=get_element(object, *field);
588: stack.push(value);
589: })
590: case OP::OP_GET_OBJECT_VAR_ELEMENT__WRITE: DO_GET_OBJECT_VAR_ELEMENT({
1.335 misha 591: Value& value=get_element(object, *field);
1.396 moko 592: write(value);
1.376 moko 593: })
594: #ifdef FEATURE_GET_ELEMENT4CALL
595: case OP::OP_GET_OBJECT_VAR_ELEMENT4CALL: DO_GET_OBJECT_VAR_ELEMENT({
596: Value& value=get_element4call(object, *field);
597: stack.push(value);
598: })
599: #endif
600: #endif
1.335 misha 601:
1.376 moko 602: case OP::OP_GET_ELEMENT:
603: {
604: const String& name=stack.pop().string(); debug_name=&name;
605: Value& ncontext=stack.pop().value();
606: Value& value=get_element(ncontext, name);
607: stack.push(value);
1.403 moko 608: goto check_skip;
1.334 misha 609: }
610:
1.376 moko 611: #ifdef FEATURE_GET_ELEMENT4CALL
612: case OP::OP_GET_ELEMENT4CALL:
1.11 paf 613: {
1.297 paf 614: const String& name=stack.pop().string(); debug_name=&name;
615: Value& ncontext=stack.pop().value();
1.376 moko 616: Value& value=get_element4call(ncontext, name);
1.297 paf 617: stack.push(value);
1.403 moko 618: goto check_skip;
1.17 paf 619: }
1.376 moko 620: #endif
1.17 paf 621:
1.346 misha 622: case OP::OP_GET_ELEMENT__WRITE:
623: {
624: const String& name=stack.pop().string(); debug_name=&name;
625: Value& ncontext=stack.pop().value();
626: Value& value=get_element(ncontext, name);
1.396 moko 627: write(value);
1.403 moko 628: goto check_skip;
1.346 misha 629: }
630:
1.328 misha 631: #ifdef OPTIMIZE_BYTECODE_GET_ELEMENT
632: case OP::OP_VALUE__GET_ELEMENT:
633: {
634: debug_origin=i.next().origin;
635: const String& name=*i.next().value->get_string(); debug_name=&name;
636:
1.336 misha 637: DEBUG_PRINT_STRING(name)
1.328 misha 638:
1.330 misha 639: Value& value=get_element(*rcontext, name);
1.328 misha 640: stack.push(value);
1.403 moko 641: goto check_skip;
1.328 misha 642: }
643:
644: case OP::OP_VALUE__GET_ELEMENT__WRITE:
645: {
646: debug_origin=i.next().origin;
647: const String& name=*i.next().value->get_string(); debug_name=&name;
648:
1.336 misha 649: DEBUG_PRINT_STRING(name)
1.328 misha 650:
1.330 misha 651: Value& value=get_element(*rcontext, name);
1.396 moko 652: write(value);
1.403 moko 653: goto check_skip;
1.328 misha 654: }
1.347 misha 655:
656: case OP::OP_WITH_ROOT__VALUE__GET_ELEMENT:
657: {
658: debug_origin=i.next().origin;
659: const String& name=*i.next().value->get_string(); debug_name=&name;
660:
661: DEBUG_PRINT_STRING(name)
662:
663: Value& value=get_element(*method_frame, name);
664: stack.push(value);
1.403 moko 665: goto check_skip;
1.347 misha 666: }
1.328 misha 667: #endif
1.32 paf 668:
1.345 misha 669: #ifdef OPTIMIZE_BYTECODE_GET_SELF_ELEMENT
670: case OP::OP_WITH_SELF__VALUE__GET_ELEMENT:
671: case OP::OP_WITH_SELF__VALUE__GET_ELEMENT__WRITE:
672: {
673: debug_origin=i.next().origin;
674: const String& name=*i.next().value->get_string(); debug_name=&name;
675:
676: DEBUG_PRINT_STRING(name)
677:
678: Value& value=get_element(get_self(), name);
679:
680: if(opcode==OP::OP_WITH_SELF__VALUE__GET_ELEMENT){
681: stack.push(value);
682: } else {
1.396 moko 683: write(value);
1.345 misha 684: }
1.403 moko 685: goto check_skip;
1.345 misha 686: }
687: #endif
688:
1.322 misha 689: case OP::OP_OBJECT_POOL:
1.17 paf 690: {
1.406 moko 691: debug_name=0;
692:
1.297 paf 693: ArrayOperation& local_ops=*i.next().ops;
1.226 paf 694:
1.257 paf 695: WContext *saved_wcontext=wcontext;
1.348 misha 696: #ifdef OPTIMIZE_SINGLE_STRING_WRITE
1.351 misha 697: WObjectPoolWrapper local(wcontext);
1.348 misha 698: #else
1.351 misha 699: WWrapper local(wcontext);
1.348 misha 700: #endif
1.226 paf 701: wcontext=&local;
702:
1.297 paf 703: execute(local_ops);
1.226 paf 704:
1.400 moko 705: stack.push((Value&)wcontext->result());
1.403 moko 706:
1.257 paf 707: wcontext=saved_wcontext;
1.403 moko 708: goto check_skip;
1.15 paf 709: }
1.13 paf 710:
1.322 misha 711: case OP::OP_STRING_POOL:
1.49 paf 712: {
1.297 paf 713: ArrayOperation& local_ops=*i.next().ops;
1.226 paf 714:
1.257 paf 715: WContext *saved_wcontext=wcontext;
1.351 misha 716: WWrapper local(wcontext);
1.226 paf 717: wcontext=&local;
718:
1.297 paf 719: execute(local_ops);
1.226 paf 720:
1.49 paf 721: // from "$a $b" part of expression taking only string value,
722: // ignoring any other content of wcontext
1.367 moko 723: const String* string=wcontext->get_string();
724: Value* value=string ? new VString(*string) : new VString();
1.297 paf 725: stack.push(*value);
726:
1.257 paf 727: wcontext=saved_wcontext;
1.403 moko 728: goto check_skip;
1.49 paf 729: }
730:
1.51 paf 731: // CALL
1.322 misha 732: case OP::OP_CURLY_CODE__STORE_PARAM:
733: case OP::OP_EXPR_CODE__STORE_PARAM:
1.28 paf 734: {
1.237 paf 735: // code
1.297 paf 736: ArrayOperation& local_ops=*i.next().ops;
1.336 misha 737:
738: DEBUG_PRINT_OPS((&local_ops))
739:
1.237 paf 740: // when they evaluate expression parameter,
741: // the object expression result
742: // does not need to be written into calling frame
743: // it must go into any expressions using that parameter
744: // hence, we zero junction.wcontext here, and later
745: // in .process we would test that field
746: // in decision "which wwrapper to use"
1.326 misha 747: VJunction& value=*new VJunction(
1.297 paf 748: get_self(), 0,
1.257 paf 749: method_frame,
1.237 paf 750: rcontext,
1.322 misha 751: opcode==OP::OP_EXPR_CODE__STORE_PARAM?0:wcontext,
1.312 paf 752: &local_ops);
1.343 misha 753: #ifndef USE_DESTRUCTORS
1.326 misha 754: if (opcode!=OP::OP_EXPR_CODE__STORE_PARAM)
1.343 misha 755: wcontext->attach_junction(&value);
1.326 misha 756: #endif
1.237 paf 757: // store param
1.329 misha 758: stack.push(value);
1.29 paf 759: break;
760: }
761:
1.397 moko 762: #define METHOD_PARAMS_ACTION(action) \
1.386 moko 763: if(local_ops){ \
764: size_t first = stack.top_index(); \
765: execute(*local_ops); \
1.403 moko 766: if(!fskip){ \
767: frame.store_params((Value**)stack.ptr(first), stack.top_index()-first); \
768: action; \
769: } \
1.386 moko 770: stack.set_top_index(first); \
771: } else { \
772: frame.empty_params(); \
773: action; \
1.350 misha 774: }
775:
1.322 misha 776: case OP::OP_CALL:
1.29 paf 777: {
1.297 paf 778: ArrayOperation* local_ops=i.next().ops;
1.237 paf 779:
1.336 misha 780: DEBUG_PRINT_OPS(local_ops)
781: DEBUG_PRINT_STR("->\n")
782:
1.297 paf 783: Value& value=stack.pop().value();
1.237 paf 784:
1.297 paf 785: Junction* junction=value.get_junction();
786: if(!junction) {
1.420 moko 787: if(dynamic_cast<VVoid*>(&value))
1.386 moko 788: throw Exception(PARSER_RUNTIME, 0, "undefined method");
1.297 paf 789: else
1.422 moko 790: throw Exception(PARSER_RUNTIME, 0, "is '%s', not a method or junction, cannot call it", value.type());
1.297 paf 791: }
1.237 paf 792:
1.370 moko 793: Value *result;
794: {
1.397 moko 795: EXPRESSION_FRAME_ACTION(*junction->method, method_frame, junction->self, {
796: METHOD_PARAMS_ACTION(call(frame));
797: result=&frame.result();
798: // desctructor deletes junctions in stack params here
799: });
1.370 moko 800: }
801: stack.push(*result);
1.332 misha 802:
1.336 misha 803: DEBUG_PRINT_STR("<-returned")
1.403 moko 804: goto check_skip;
1.332 misha 805: }
1.220 paf 806:
1.332 misha 807: case OP::OP_CALL__WRITE:
808: {
809: ArrayOperation* local_ops=i.next().ops;
810:
1.336 misha 811: DEBUG_PRINT_OPS(local_ops)
812: DEBUG_PRINT_STR("->\n")
813:
1.332 misha 814: Value& value=stack.pop().value();
815:
816: Junction* junction=value.get_junction();
817: if(!junction) {
1.420 moko 818: if(dynamic_cast<VVoid*>(&value))
1.386 moko 819: throw Exception(PARSER_RUNTIME, 0, "undefined method");
1.332 misha 820: else
1.422 moko 821: throw Exception(PARSER_RUNTIME, 0, "is '%s', not a method or junction, cannot call it", value.type());
1.332 misha 822: }
823:
1.391 moko 824: const Method& method=*junction->method;
1.332 misha 825: #ifdef OPTIMIZE_CALL
1.353 misha 826: if(method.call_optimization==Method::CO_WITHOUT_FRAME){
1.332 misha 827: if(local_ops){ // store param code goes here
828: size_t first = stack.top_index();
829: execute(*local_ops);
830:
1.403 moko 831: if(!fskip){
832: MethodParams method_params;
833: method_params.store_params((Value**)stack.ptr(first), stack.top_index()-first);
834: method.check_actual_numbered_params(junction->self, &method_params);
835: method.native_code(*this, method_params); // execute it
836: }
1.332 misha 837:
838: stack.set_top_index(first);
839: } else {
840: MethodParams method_params;
841: method.check_actual_numbered_params(junction->self, &method_params);
842: method.native_code(*this, method_params); // execute it
843: }
1.353 misha 844: } else if(method.call_optimization==Method::CO_WITHOUT_WCONTEXT){
1.397 moko 845: METHOD_FRAME_ACTION(method, method_frame, junction->self, {
846: METHOD_PARAMS_ACTION(call_write(frame))
847: });
1.332 misha 848: } else
849: #endif // OPTIMIZE_CALL
850: {
1.397 moko 851: METHOD_FRAME_ACTION(method, method_frame, junction->self, {
852: METHOD_PARAMS_ACTION(call(frame));
853: write(frame.result());
854: });
1.332 misha 855: }
1.336 misha 856:
857: DEBUG_PRINT_STR("<-returned")
1.403 moko 858: goto check_skip;
1.49 paf 859: }
860:
1.348 misha 861: case OP::OP_CONSTRUCT_OBJECT:
862: case OP::OP_CONSTRUCT_OBJECT__WRITE:
863: {
864: debug_origin=i.next().origin;
865: Value& vclass_name=*i.next().value;
1.360 pretende 866: const String& class_name=*vclass_name.get_string(); debug_name=&class_name;
1.348 misha 867:
868: DEBUG_PRINT_STRING(class_name)
869:
1.413 moko 870: VStateless_class& vclass=get_class_ref(class_name);
1.348 misha 871:
872: debug_origin=i.next().origin;
873: Value& vconstructor_name=*i.next().value;
874: const String& constructor_name=*vconstructor_name.get_string(); debug_name=&constructor_name;
875:
876: DEBUG_PRINT_STRING(constructor_name)
877:
1.424 moko 878: // not get_element4call for better error reporting
1.413 moko 879: Junction* constructor_junction=get_element(vclass, constructor_name).get_junction();
1.363 moko 880: if(!constructor_junction)
1.424 moko 881: throw Exception(PARSER_RUNTIME, &constructor_name, "%s constructor not found", vclass.type());
1.350 misha 882:
1.348 misha 883: ArrayOperation* local_ops=i.next().ops;
884: DEBUG_PRINT_OPS(local_ops)
885: DEBUG_PRINT_STR("->\n")
886:
1.370 moko 887: Value *result;
888: {
1.413 moko 889: Value& object=construct(vclass, *constructor_junction->method);
1.397 moko 890: CONSTRUCTOR_FRAME_ACTION(*constructor_junction->method, method_frame, object, {
891: METHOD_PARAMS_ACTION(call(frame));
892: object.enable_default_setter();
893: result=&frame.result();
894: // desctructor deletes junctions in stack params here
895: });
1.370 moko 896: }
1.355 misha 897:
1.350 misha 898: if(opcode==OP::OP_CONSTRUCT_OBJECT)
1.370 moko 899: stack.push(*result);
1.350 misha 900: else
1.396 moko 901: write(*result);
1.348 misha 902:
903: DEBUG_PRINT_STR("<-returned")
1.403 moko 904: goto check_skip;
1.348 misha 905: }
906:
1.55 paf 907: // expression ops: unary
1.322 misha 908: case OP::OP_NEG:
1.55 paf 909: {
1.297 paf 910: Value& a=stack.pop().value();
911: Value& value=*new VDouble(-a.as_double());
912: stack.push(value);
1.55 paf 913: break;
914: }
1.322 misha 915: case OP::OP_INV:
1.55 paf 916: {
1.297 paf 917: Value& a=stack.pop().value();
918: Value& value=*new VDouble(~a.as_int());
919: stack.push(value);
1.55 paf 920: break;
921: }
1.322 misha 922: case OP::OP_NOT:
1.55 paf 923: {
1.297 paf 924: Value& a=stack.pop().value();
1.327 misha 925: Value& value=VBool::get(!a.as_bool());
1.297 paf 926: stack.push(value);
1.55 paf 927: break;
928: }
1.322 misha 929: case OP::OP_DEF:
1.62 paf 930: {
1.297 paf 931: Value& a=stack.pop().value();
1.327 misha 932: Value& value=VBool::get(a.is_defined());
1.297 paf 933: stack.push(value);
1.62 paf 934: break;
935: }
1.322 misha 936: case OP::OP_IN:
1.62 paf 937: {
1.297 paf 938: Value& a=stack.pop().value();
939: const String& path=a.as_string();
1.327 misha 940: Value& value=VBool::get(request_info.uri && *request_info.uri && path.this_starts(request_info.uri));
1.297 paf 941: stack.push(value);
1.62 paf 942: break;
943: }
1.322 misha 944: case OP::OP_FEXISTS:
1.62 paf 945: {
1.297 paf 946: Value& a=stack.pop().value();
1.411 moko 947: Value& value=VBool::get(file_exist(full_disk_path(a.as_string())));
1.297 paf 948: stack.push(value);
1.148 paf 949: break;
950: }
1.322 misha 951: case OP::OP_DEXISTS:
1.148 paf 952: {
1.297 paf 953: Value& a=stack.pop().value();
1.411 moko 954: Value& value=VBool::get(dir_exists(full_disk_path(a.as_string())));
1.297 paf 955: stack.push(value);
1.62 paf 956: break;
957: }
1.55 paf 958:
959: // expression ops: binary
1.415 moko 960: case OP::OP_SUB:
1.53 paf 961: {
1.416 moko 962: volatile double b_double=stack.pop().value().as_double();
963: volatile double a_double=stack.pop().value().as_double();
1.415 moko 964:
965: Value& value=*new VDouble(a_double - b_double);
1.297 paf 966: stack.push(value);
1.53 paf 967: break;
968: }
1.415 moko 969: case OP::OP_ADD:
1.53 paf 970: {
1.416 moko 971: volatile double b_double=stack.pop().value().as_double();
972: volatile double a_double=stack.pop().value().as_double();
1.415 moko 973:
974: Value& value=*new VDouble(a_double + b_double);
1.297 paf 975: stack.push(value);
1.53 paf 976: break;
977: }
1.415 moko 978: case OP::OP_MUL:
1.49 paf 979: {
1.416 moko 980: volatile double b_double=stack.pop().value().as_double();
981: volatile double a_double=stack.pop().value().as_double();
1.415 moko 982:
983: Value& value=*new VDouble(a_double * b_double);
1.297 paf 984: stack.push(value);
1.53 paf 985: break;
986: }
1.415 moko 987: case OP::OP_DIV:
1.53 paf 988: {
1.416 moko 989: volatile double b_double=stack.pop().value().as_double();
990: volatile double a_double=stack.pop().value().as_double();
1.170 parser 991:
1.171 parser 992: if(b_double == 0) {
1.297 paf 993: //const String* problem_source=b.as_string();
1.386 moko 994: throw Exception("number.zerodivision", 0, "Division by zero");
1.171 parser 995: }
1.170 parser 996:
1.297 paf 997: Value& value=*new VDouble(a_double / b_double);
998: stack.push(value);
1.54 paf 999: break;
1000: }
1.415 moko 1001: case OP::OP_MOD:
1.55 paf 1002: {
1.416 moko 1003: volatile double b_double=stack.pop().value().as_double();
1004: volatile double a_double=stack.pop().value().as_double();
1.170 parser 1005:
1.173 parser 1006: if(b_double == 0) {
1.297 paf 1007: //const String* problem_source=b.as_string();
1.386 moko 1008: throw Exception("number.zerodivision", 0, "Modulus by zero");
1.171 parser 1009: }
1.170 parser 1010:
1.297 paf 1011: Value& value=*new VDouble(fmod(a_double, b_double));
1012: stack.push(value);
1.201 paf 1013: break;
1014: }
1.322 misha 1015: case OP::OP_INTDIV:
1.201 paf 1016: {
1.416 moko 1017: int b_int=stack.pop().value().as_int();
1018: int a_int=stack.pop().value().as_int();
1.201 paf 1019:
1020: if(b_int == 0) {
1.297 paf 1021: //const String* problem_source=b.as_string();
1.386 moko 1022: throw Exception("number.zerodivision", 0, "Division by zero");
1.201 paf 1023: }
1024:
1.297 paf 1025: Value& value=*new VInt(a_int / b_int);
1026: stack.push(value);
1.55 paf 1027: break;
1028: }
1.322 misha 1029: case OP::OP_BIN_SL:
1.274 paf 1030: {
1.297 paf 1031: Value& b=stack.pop().value(); Value& a=stack.pop().value();
1032: Value& value=*new VInt(
1033: a.as_int() <<
1034: b.as_int());
1035: stack.push(value);
1.274 paf 1036: break;
1037: }
1.322 misha 1038: case OP::OP_BIN_SR:
1.274 paf 1039: {
1.297 paf 1040: Value& b=stack.pop().value(); Value& a=stack.pop().value();
1041: Value& value=*new VInt(
1042: a.as_int() >>
1043: b.as_int());
1044: stack.push(value);
1.274 paf 1045: break;
1046: }
1.322 misha 1047: case OP::OP_BIN_AND:
1.54 paf 1048: {
1.297 paf 1049: Value& b=stack.pop().value(); Value& a=stack.pop().value();
1050: Value& value=*new VInt(
1051: a.as_int() &
1052: b.as_int());
1053: stack.push(value);
1.54 paf 1054: break;
1055: }
1.322 misha 1056: case OP::OP_BIN_OR:
1.54 paf 1057: {
1.297 paf 1058: Value& b=stack.pop().value(); Value& a=stack.pop().value();
1059: Value& value=*new VInt(
1060: a.as_int() |
1061: b.as_int());
1062: stack.push(value);
1.55 paf 1063: break;
1064: }
1.322 misha 1065: case OP::OP_BIN_XOR:
1.56 paf 1066: {
1.297 paf 1067: Value& b=stack.pop().value(); Value& a=stack.pop().value();
1068: Value& value=*new VInt(
1069: a.as_int() ^
1070: b.as_int());
1071: stack.push(value);
1.56 paf 1072: break;
1073: }
1.322 misha 1074: case OP::OP_LOG_AND:
1.55 paf 1075: {
1.297 paf 1076: ArrayOperation& local_ops=stack.pop().ops(); Value& a=stack.pop().value();
1.263 paf 1077: bool result;
1.297 paf 1078: if(a.as_bool()) {
1079: execute(local_ops);
1080: Value& b=stack.pop().value();
1081: result=b.as_bool();
1.209 paf 1082: } else
1.263 paf 1083: result=false;
1.327 misha 1084: Value& value=VBool::get(result);
1.297 paf 1085: stack.push(value);
1.403 moko 1086: goto check_skip;
1.55 paf 1087: }
1.322 misha 1088: case OP::OP_LOG_OR:
1.55 paf 1089: {
1.297 paf 1090: ArrayOperation& local_ops=stack.pop().ops(); Value& a=stack.pop().value();
1.263 paf 1091: bool result;
1.297 paf 1092: if(a.as_bool())
1.263 paf 1093: result=true;
1.209 paf 1094: else {
1.297 paf 1095: execute(local_ops);
1096: Value& b=stack.pop().value();
1097: result=b.as_bool();
1.209 paf 1098: }
1.327 misha 1099: Value& value=VBool::get(result);
1.297 paf 1100: stack.push(value);
1.403 moko 1101: goto check_skip;
1.56 paf 1102: }
1.322 misha 1103: case OP::OP_LOG_XOR:
1.56 paf 1104: {
1.297 paf 1105: Value& b=stack.pop().value(); Value& a=stack.pop().value();
1.327 misha 1106: Value& value=VBool::get(a.as_bool() ^ b.as_bool());
1.297 paf 1107: stack.push(value);
1.55 paf 1108: break;
1109: }
1.322 misha 1110: case OP::OP_NUM_LT:
1.55 paf 1111: {
1.297 paf 1112: volatile double b_double=stack.pop().value().as_double();
1113: volatile double a_double=stack.pop().value().as_double();
1.327 misha 1114: Value& value=VBool::get(a_double<b_double);
1.297 paf 1115: stack.push(value);
1.55 paf 1116: break;
1117: }
1.322 misha 1118: case OP::OP_NUM_GT:
1.55 paf 1119: {
1.297 paf 1120: volatile double b_double=stack.pop().value().as_double();
1121: volatile double a_double=stack.pop().value().as_double();
1.327 misha 1122: Value& value=VBool::get(a_double>b_double);
1.297 paf 1123: stack.push(value);
1.55 paf 1124: break;
1125: }
1.322 misha 1126: case OP::OP_NUM_LE:
1.55 paf 1127: {
1.297 paf 1128: volatile double b_double=stack.pop().value().as_double();
1129: volatile double a_double=stack.pop().value().as_double();
1.327 misha 1130: Value& value=VBool::get(a_double<=b_double);
1.297 paf 1131: stack.push(value);
1.55 paf 1132: break;
1133: }
1.322 misha 1134: case OP::OP_NUM_GE:
1.55 paf 1135: {
1.297 paf 1136: volatile double b_double=stack.pop().value().as_double();
1137: volatile double a_double=stack.pop().value().as_double();
1.327 misha 1138: Value& value=VBool::get(a_double>=b_double);
1.297 paf 1139: stack.push(value);
1.55 paf 1140: break;
1141: }
1.322 misha 1142: case OP::OP_NUM_EQ:
1.55 paf 1143: {
1.297 paf 1144: volatile double b_double=stack.pop().value().as_double();
1145: volatile double a_double=stack.pop().value().as_double();
1.327 misha 1146: Value& value=VBool::get(a_double==b_double);
1.297 paf 1147: stack.push(value);
1.55 paf 1148: break;
1149: }
1.322 misha 1150: case OP::OP_NUM_NE:
1.55 paf 1151: {
1.297 paf 1152: volatile double b_double=stack.pop().value().as_double();
1153: volatile double a_double=stack.pop().value().as_double();
1.327 misha 1154: Value& value=VBool::get(a_double!=b_double);
1.297 paf 1155: stack.push(value);
1.54 paf 1156: break;
1157: }
1.322 misha 1158: case OP::OP_STR_LT:
1.58 paf 1159: {
1.297 paf 1160: Value& b=stack.pop().value(); Value& a=stack.pop().value();
1.327 misha 1161: Value& value=VBool::get(a.as_string() < b.as_string());
1.297 paf 1162: stack.push(value);
1.58 paf 1163: break;
1164: }
1.322 misha 1165: case OP::OP_STR_GT:
1.58 paf 1166: {
1.297 paf 1167: Value& b=stack.pop().value(); Value& a=stack.pop().value();
1.327 misha 1168: Value& value=VBool::get(a.as_string() > b.as_string());
1.297 paf 1169: stack.push(value);
1.58 paf 1170: break;
1171: }
1.322 misha 1172: case OP::OP_STR_LE:
1.58 paf 1173: {
1.297 paf 1174: Value& b=stack.pop().value(); Value& a=stack.pop().value();
1.327 misha 1175: Value& value=VBool::get(a.as_string() <= b.as_string());
1.297 paf 1176: stack.push(value);
1.58 paf 1177: break;
1178: }
1.322 misha 1179: case OP::OP_STR_GE:
1.54 paf 1180: {
1.297 paf 1181: Value& b=stack.pop().value(); Value& a=stack.pop().value();
1.327 misha 1182: Value& value=VBool::get(a.as_string() >= b.as_string());
1.297 paf 1183: stack.push(value);
1.58 paf 1184: break;
1185: }
1.322 misha 1186: case OP::OP_STR_EQ:
1.58 paf 1187: {
1.297 paf 1188: Value& b=stack.pop().value(); Value& a=stack.pop().value();
1.327 misha 1189: Value& value=VBool::get(a.as_string() == b.as_string());
1.297 paf 1190: stack.push(value);
1.58 paf 1191: break;
1192: }
1.322 misha 1193: case OP::OP_STR_NE:
1.58 paf 1194: {
1.297 paf 1195: Value& b=stack.pop().value(); Value& a=stack.pop().value();
1.327 misha 1196: Value& value=VBool::get(a.as_string() != b.as_string());
1.297 paf 1197: stack.push(value);
1.103 paf 1198: break;
1199: }
1.322 misha 1200: case OP::OP_IS:
1.103 paf 1201: {
1.297 paf 1202: Value& b=stack.pop().value(); Value& a=stack.pop().value();
1.327 misha 1203: Value& value=VBool::get(a.is(b.as_string().cstr()));
1.297 paf 1204: stack.push(value);
1.28 paf 1205: break;
1206: }
1.11 paf 1207: default:
1.403 moko 1208: {
1209: throw Exception(0, 0, "invalid opcode %d", opcode);
1210: }
1211: check_skip:
1212: {
1213: if(fskip){
1214: if(fskip==Request::SKIP_INTERRUPTED){
1215: set_skip(Request::SKIP_NOTHING);
1216: throw Exception("parser.interrupted", 0, "execution stopped");
1217: }
1218: return;
1219: }
1220: break;
1221: }
1.11 paf 1222: }
1223: }
1.306 paf 1224: } catch(const Exception&) {
1.297 paf 1225: // record it to stack trace
1.301 paf 1226: if(debug_name)
1227: exception_trace.push(Trace(debug_name, debug_origin));
1.297 paf 1228: rethrow;
1229: }
1.1 paf 1230: }
1.17 paf 1231:
1.330 misha 1232: #define SAVE_CONTEXT \
1.386 moko 1233: VMethodFrame *saved_method_frame=method_frame; \
1234: Value* saved_rcontext=rcontext; \
1.330 misha 1235: WContext *saved_wcontext=wcontext;
1236:
1.386 moko 1237: #define RESTORE_CONTEXT \
1238: wcontext=saved_wcontext; \
1239: rcontext=saved_rcontext; \
1.330 misha 1240: method_frame=saved_method_frame;
1241:
1.384 moko 1242: Value& Request::construct(VStateless_class &called_class, const Method &method){
1.363 moko 1243:
1244: if(method.call_type!=Method::CT_STATIC) {
1245: // this is a constructor call
1246: if(Value* result=called_class.create_new_value(fpool)) {
1.319 misha 1247: // some stateless_class creatable derivates
1.363 moko 1248: return *result;
1249: } else
1.401 moko 1250: throw Exception(PARSER_RUNTIME, method.name,
1251: "is not a constructor, system class '%s' can be constructed only implicitly", called_class.type());
1.363 moko 1252: } else
1.422 moko 1253: throw Exception(PARSER_RUNTIME, method.name, "method of '%s' is static and cannot be used as constructor", called_class.type());
1.363 moko 1254: }
1.319 misha 1255:
1.330 misha 1256: Value& Request::get_element(Value& ncontext, const String& name) {
1.376 moko 1257: Value* value=ncontext.get_element(name);
1.388 moko 1258: return *(value ? &process(*value) : VVoid::get());
1.376 moko 1259: }
1260:
1.383 moko 1261: #ifdef FEATURE_GET_ELEMENT4CALL
1.376 moko 1262: Value& Request::get_element4call(Value& ncontext, const String& name) {
1263: Value* value=ncontext.get_element4call(name);
1.388 moko 1264: return *(value ? &process(*value) : VVoid::get());
1.309 paf 1265: }
1.383 moko 1266: #endif
1.309 paf 1267:
1.329 misha 1268: void Request::put_element(Value& ncontext, const String& name, Value* value) {
1.309 paf 1269: // put_element can return property-setting-junction
1.407 moko 1270: if(const VJunction* vjunction=ncontext.put_element(name, value)) {
1271: const Junction& junction = vjunction->junction();
1272: int param_count=junction.method->params_count;
1273:
1274: if(junction.auto_name) {
1275: // default setter
1276: if(param_count!=2)
1277: throw Exception(PARSER_RUNTIME, 0, "default setter method must have TWO parameters (has %d parameters)", param_count);
1278:
1279: Value* params[2] = { new VString(*junction.auto_name), value };
1280:
1281: CONSTRUCTOR_FRAME_ACTION(*junction.method, method_frame /*caller*/, junction.self, {
1282: frame.store_params(params, 2);
1283: Temp_disable_default_setter temp(junction.self);
1284: call(frame);
1285: });
1286: } else {
1287: // setter
1288: if(param_count!=1)
1289: throw Exception(PARSER_RUNTIME, 0, "setter method must have ONE parameter (has %d parameters)", param_count);
1290:
1291: CONSTRUCTOR_FRAME_ACTION(*junction.method, method_frame /*caller*/, junction.self, {
1292: frame.store_params(&value, 1);
1293: call(frame);
1294: });
1.364 moko 1295: }
1.407 moko 1296: }
1.364 moko 1297: }
1298:
1.385 moko 1299: Value& Request::process_getter(Junction& junction) {
1.397 moko 1300: int param_count=junction.method->params_count;
1.364 moko 1301:
1.397 moko 1302: if(junction.auto_name){
1.364 moko 1303: // default getter
1.397 moko 1304: if(param_count>1)
1.422 moko 1305: throw Exception(PARSER_RUNTIME, 0, "default getter method can't have more than 1 parameter (has %d parameters)", param_count);
1.397 moko 1306:
1.364 moko 1307: Value *param;
1.397 moko 1308: METHOD_FRAME_ACTION(*junction.method, method_frame/*caller*/, junction.self, {
1.364 moko 1309:
1.397 moko 1310: if(param_count){
1311: param=new VString(*junction.auto_name);
1312: frame.store_params(¶m, 1);
1313: } // no need for else frame.empty_params()
1314:
1315: Temp_disable_default_getter temp(junction.self);
1316: call(frame);
1317: return frame.result();
1318: });
1.364 moko 1319: } else {
1320: // getter
1.397 moko 1321: if(param_count>0)
1.386 moko 1322: throw Exception(PARSER_RUNTIME, 0, "getter method must have no parameters (has %d parameters)", param_count);
1.364 moko 1323:
1.397 moko 1324: METHOD_FRAME_ACTION(*junction.method, method_frame/*caller*/, junction.self, {
1325: // no need for frame.empty_params()
1326: call(frame);
1327: return frame.result();
1328: });
1.364 moko 1329: }
1.309 paf 1330:
1.34 paf 1331: }
1.70 paf 1332:
1.389 moko 1333: Value& Request::process(Value& input_value) {
1.297 paf 1334: Junction* junction=input_value.get_junction();
1.307 paf 1335: if(junction) {
1336: if(junction->is_getter) { // is it a getter-junction?
1.389 moko 1337: return process(process_getter(*junction));
1.307 paf 1338: }
1339:
1340: if(junction->code) { // is it a code-junction?
1341: // process it
1.385 moko 1342: ValueRef result;
1.336 misha 1343:
1344: DEBUG_PRINT_STR("ja->\n")
1.238 paf 1345:
1.307 paf 1346: if(!junction->method_frame)
1.386 moko 1347: throw Exception(PARSER_RUNTIME, 0, "junction used outside of context");
1.240 paf 1348:
1.330 misha 1349: SAVE_CONTEXT
1.307 paf 1350:
1351: method_frame=junction->method_frame;
1352: rcontext=junction->rcontext;
1353:
1.389 moko 1354: // for code in [] and () wcontext is set 0
1355: // using the fact in decision "which wrapper to use"
1.399 moko 1356: if(junction->wcontext) {
1.389 moko 1357: // {} code wrapper
1.318 misha 1358: VCodeFrame local(*junction->wcontext);
1.307 paf 1359: wcontext=&local;
1360:
1361: // execute it
1.423 moko 1362: recursion_checked_execute(*junction->code);
1.307 paf 1363:
1.318 misha 1364: result=wcontext->result();
1.307 paf 1365: } else {
1.389 moko 1366: // [] or () code wrapper
1.351 misha 1367: WWrapper local(wcontext);
1.307 paf 1368: wcontext=&local;
1369:
1370: // execute it
1.423 moko 1371: recursion_checked_execute(*junction->code);
1.307 paf 1372:
1373: result=wcontext->result();
1374: }
1375:
1.330 misha 1376: RESTORE_CONTEXT
1.207 paf 1377:
1.336 misha 1378: DEBUG_PRINT_STR("<-ja returned")
1379:
1.307 paf 1380: return result;
1381: }
1382:
1.422 moko 1383: // then it is a method-junction, do not explode it
1.307 paf 1384: // just return it as we do for usual objects
1385: }
1386:
1387: return input_value;
1.85 paf 1388: }
1389:
1.332 misha 1390: void Request::process_write(Value& input_value) {
1391: Junction* junction=input_value.get_junction();
1392: if(junction) {
1.375 moko 1393: // no getter-junction check as process_write is called
1394: // to process method arguments, not from get_element
1.332 misha 1395:
1396: if(junction->code) { // is it a code-junction?
1.389 moko 1397: // process it
1.336 misha 1398:
1399: DEBUG_PRINT_STR("ja->\n")
1400:
1.332 misha 1401: if(!junction->method_frame)
1.386 moko 1402: throw Exception(PARSER_RUNTIME, 0, "junction used outside of context");
1.332 misha 1403:
1404: SAVE_CONTEXT
1405:
1406: method_frame=junction->method_frame;
1407: rcontext=junction->rcontext;
1408:
1.389 moko 1409: // for code in [] and () wcontext is set 0
1.332 misha 1410: // using the fact in decision "which wwrapper to use"
1411: #ifdef OPTIMIZE_CALL
1412: if(wcontext==junction->wcontext){
1413: // no wrappers for wcontext
1.423 moko 1414: recursion_checked_execute(*junction->code);
1.332 misha 1415: RESTORE_CONTEXT
1416:
1417: } else
1418: #endif
1419: if(junction->wcontext) {
1.389 moko 1420: // {} code wrapper
1.332 misha 1421: VCodeFrame local(*junction->wcontext);
1422: wcontext=&local;
1423:
1424: // execute it
1.423 moko 1425: recursion_checked_execute(*junction->code);
1.332 misha 1426: RESTORE_CONTEXT
1.396 moko 1427: write(local.result());
1.332 misha 1428: } else {
1.389 moko 1429: // [] or () code wrapper
1.351 misha 1430: WWrapper local(wcontext);
1.332 misha 1431: wcontext=&local;
1432:
1433: // execute it
1.423 moko 1434: recursion_checked_execute(*junction->code);
1.332 misha 1435: RESTORE_CONTEXT
1.396 moko 1436: write(local.result());
1.332 misha 1437: }
1.336 misha 1438:
1439: DEBUG_PRINT_STR("<-ja returned")
1440:
1.332 misha 1441: return;
1442: }
1443:
1.422 moko 1444: // then it is a method-junction, do not explode it
1.332 misha 1445: // just return it as we do for usual objects
1446: }
1447:
1.396 moko 1448: write(input_value);
1.332 misha 1449: }
1450:
1.408 moko 1451: const String* Request::execute_method(VStateless_class& aclass, const String& method_name, Value* optional_param) {
1452: if(const Method *method=aclass.get_method(method_name)){
1453: METHOD_FRAME_ACTION(*method, method_frame/*caller*/, aclass, {
1.317 misha 1454:
1.408 moko 1455: if(optional_param && method->params_count>0) {
1456: frame.store_params(&optional_param, 1);
1457: } else {
1458: frame.empty_params();
1459: }
1.246 paf 1460:
1.408 moko 1461: // prevent non-string writes for better error reporting
1.397 moko 1462: frame.write(frame);
1.408 moko 1463:
1464: call(frame);
1.208 paf 1465:
1.410 moko 1466: Value &result=frame.result();
1467: if(const String* sresult=result.get_string()){
1468: return sresult;
1469: }
1470: result.bark("is '%s', it has no string representation", &method_name);
1.408 moko 1471: });
1472: }
1473: return 0;
1.242 paf 1474: }
1475:
1.408 moko 1476: bool Request::execute_method_if_exists(VStateless_class& aclass, const String& method_name, Value* optional_param) {
1477: if(const Method *method=aclass.get_method(method_name)){
1478: METHOD_FRAME_ACTION(*method, method_frame/*caller*/, aclass, {
1479:
1480: if(optional_param && method->params_count>0) {
1481: frame.store_params(&optional_param, 1);
1482: } else {
1483: frame.empty_params();
1484: }
1.99 paf 1485:
1.408 moko 1486: call(frame);
1487: });
1488: return true;
1489: }
1490: return false;
1.176 parser 1491: }
1.362 misha 1492:
1.417 moko 1493: bool Request::execute_auto_method_if_exists(VStateless_class& aclass, const String& method_name, Value* optional_param) {
1494: if(const Method *method=aclass.get_method(method_name)){
1495: METHOD_FRAME_ACTION(*method, method_frame/*caller*/, aclass, {
1496: Value* two_params[2];
1497:
1498: if (optional_param && method->params_count>1) {
1499: two_params[0] = optional_param;
1500: two_params[1] = new VString(*new String(aclass.type()));
1501: frame.store_params(two_params, 2);
1502: } else if (optional_param && method->params_count>0) {
1503: frame.store_params(&optional_param, 1);
1504: } else {
1505: frame.empty_params();
1506: }
1507:
1508: call(frame);
1509: });
1510: return true;
1511: }
1512: return false;
1513: }
1514:
1.398 moko 1515: const String* Request::get_method_filespec(const Method* method){
1.404 moko 1516: Operation::Origin origin=get_method_origin(method);
1517: return origin.file_no ? get_used_filespec(origin.file_no) : NULL;
1518: }
1519:
1520: const Operation::Origin Request::get_method_origin(const Method* method){
1521: Operation::Origin origin={0, 0, 0};
1522:
1.362 misha 1523: if(ArrayOperation* code=method->parser_code)
1524: if(code){
1.419 moko 1525: for(Array_iterator<Operation> i(*code); i; ){
1.362 misha 1526: switch( i.next().code ){
1527: case OP::OP_CURLY_CODE__STORE_PARAM:
1528: case OP::OP_EXPR_CODE__STORE_PARAM:
1529: case OP::OP_CURLY_CODE__CONSTRUCT:
1530: case OP::OP_NESTED_CODE:
1531: case OP::OP_OBJECT_POOL:
1532: case OP::OP_STRING_POOL:
1533: case OP::OP_CALL:
1534: case OP::OP_CALL__WRITE:
1535: {
1536: i.next(); // skip local ops
1537: i.next(); // skip next opcode
1538: // continue execution
1539: }
1540: case OP::OP_CONSTRUCT_OBJECT:
1541: case OP::OP_CONSTRUCT_OBJECT__WRITE:
1542: case OP::OP_VALUE:
1543: case OP::OP_STRING__WRITE:
1544: case OP::OP_VALUE__GET_CLASS:
1.383 moko 1545: case OP::OP_VALUE__GET_BASE_CLASS:
1.362 misha 1546: #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_ELEMENT
1547: case OP::OP_GET_OBJECT_ELEMENT:
1548: case OP::OP_GET_OBJECT_ELEMENT__WRITE:
1549: #endif
1550: #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_VAR_ELEMENT
1551: case OP::OP_GET_OBJECT_VAR_ELEMENT:
1552: case OP::OP_GET_OBJECT_VAR_ELEMENT__WRITE:
1553: #endif
1554: #ifdef OPTIMIZE_BYTECODE_GET_ELEMENT
1555: case OP::OP_VALUE__GET_ELEMENT:
1556: case OP::OP_VALUE__GET_ELEMENT__WRITE:
1557: case OP::OP_VALUE__GET_ELEMENT_OR_OPERATOR:
1558: case OP::OP_WITH_ROOT__VALUE__GET_ELEMENT:
1559: #endif
1560: #ifdef OPTIMIZE_BYTECODE_GET_SELF_ELEMENT
1561: case OP::OP_WITH_SELF__VALUE__GET_ELEMENT:
1562: case OP::OP_WITH_SELF__VALUE__GET_ELEMENT__WRITE:
1563: #endif
1.377 moko 1564:
1565: #ifdef FEATURE_GET_ELEMENT4CALL
1566: case OP::OP_GET_ELEMENT4CALL:
1567: #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_ELEMENT
1568: case OP::OP_GET_OBJECT_ELEMENT4CALL:
1569: #endif
1570: #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_VAR_ELEMENT
1571: case OP::OP_GET_OBJECT_VAR_ELEMENT4CALL:
1572: #endif
1573: #endif // FEATURE_GET_ELEMENT4CALL
1574:
1.362 misha 1575: #ifdef OPTIMIZE_BYTECODE_CONSTRUCT
1576: case OP::OP_WITH_ROOT__VALUE__CONSTRUCT_EXPR:
1577: case OP::OP_WITH_ROOT__VALUE__CONSTRUCT_VALUE:
1578: case OP::OP_WITH_WRITE__VALUE__CONSTRUCT_EXPR:
1579: case OP::OP_WITH_WRITE__VALUE__CONSTRUCT_VALUE:
1580: case OP::OP_WITH_SELF__VALUE__CONSTRUCT_EXPR:
1581: case OP::OP_WITH_SELF__VALUE__CONSTRUCT_VALUE:
1582: #endif
1583: {
1584: origin=i.next().origin;
1585: break;
1586: }
1.373 moko 1587: default: break;
1.362 misha 1588: }
1589: if(origin.file_no)
1.404 moko 1590: return origin;
1.362 misha 1591: }
1592: }
1.404 moko 1593: return origin;
1.362 misha 1594: }
1595:
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