Annotation of parser3/src/main/execute.C, revision 1.86
1.1 paf 1: /*
1.86 ! paf 2: $Id: execute.C,v 1.85 2001/03/10 14:05:36 paf Exp $
1.1 paf 3: */
4:
1.8 paf 5: #include "pa_array.h"
1.1 paf 6: #include "code.h"
1.11 paf 7: #include "pa_request.h"
1.15 paf 8: #include "pa_vstring.h"
1.22 paf 9: #include "pa_vhash.h"
1.23 paf 10: #include "pa_vunknown.h"
1.34 paf 11: #include "pa_vcframe.h"
12: #include "pa_vmframe.h"
1.38 paf 13: #include "pa_vobject.h"
1.49 paf 14: #include "pa_vdouble.h"
1.54 paf 15: #include "pa_vbool.h"
1.1 paf 16:
17: #include <stdio.h>
18:
1.24 paf 19: #define PUSH(value) stack.push(value)
20: #define POP() static_cast<Value *>(stack.pop())
1.32 paf 21: #define POP_NAME() static_cast<Value *>(stack.pop())->as_string()
1.24 paf 22:
1.11 paf 23:
1.1 paf 24: char *opcode_name[]={
1.49 paf 25: // literals
1.66 paf 26: "VALUE", "CODE__STORE_PARAM",
1.49 paf 27:
28: // actions
1.51 paf 29: "WITH_SELF", "WITH_ROOT", "WITH_READ", "WITH_WRITE",
1.66 paf 30: "GET_CLASS",
1.80 paf 31: "CONSTRUCT_VALUE", "CONSTRUCT_DOUBLE",
1.86 ! paf 32: "WRITE", "STRING__WRITE",
1.18 paf 33: "GET_ELEMENT", "GET_ELEMENT__WRITE",
1.1 paf 34: "CREATE_EWPOOL", "REDUCE_EWPOOL",
35: "CREATE_RWPOOL", "REDUCE_RWPOOL",
1.49 paf 36: "CREATE_SWPOOL", "REDUCE_SWPOOL",
1.1 paf 37: "GET_METHOD_FRAME",
38: "STORE_PARAM",
1.51 paf 39: "CALL",
1.49 paf 40:
41: // expression ops: unary
42: "NEG", "INV", "NOT", "DEF", "IN", "FEXISTS",
43: // expression ops: binary
44: "SUB", "ADD", "MUL", "DIV", "MOD",
1.56 paf 45: "BIN_AND", "BIN_OR", "BIN_XOR",
46: "LOG_AND", "LOG_OR", "LOG_XOR",
1.49 paf 47: "NUM_LT", "NUM_GT", "NUM_LE", "NUM_GE", "NUM_EQ", "NUM_NE",
1.55 paf 48: "STR_LT", "STR_GT", "STR_LE", "STR_GE", "STR_EQ", "STR_NE"
1.1 paf 49: };
50:
1.9 paf 51: void dump(int level, const Array& ops) {
1.23 paf 52: if(0){
53: int size=ops.size();
1.46 paf 54: //fprintf(stderr, "size=%d\n", size);
1.23 paf 55: for(int i=0; i<size; i++) {
56: Operation op;
57: op.cast=ops.quick_get(i);
1.46 paf 58: fprintf(stderr, "%8X\n", op.cast);
1.23 paf 59: }
60: }
61:
1.9 paf 62: int size=ops.size();
1.46 paf 63: //fprintf(stderr, "size=%d\n", size);
1.1 paf 64: for(int i=0; i<size; i++) {
1.23 paf 65: Operation op;
66: op.cast=ops.quick_get(i);
1.46 paf 67: fprintf(stderr, "%*s%s", level*4, "", opcode_name[op.code]);
1.1 paf 68:
1.86 ! paf 69: if(op.code==OP_VALUE || op.code==OP_STRING__WRITE) {
1.52 paf 70: Value *value=static_cast<Value *>(ops.quick_get(++i));
71: fprintf(stderr, " \"%s\" %s", value->get_string()->cstr(), value->type());
1.15 paf 72: }
1.46 paf 73: fprintf(stderr, "\n");
1.1 paf 74:
1.65 paf 75: if(op.code==OP_CODE__STORE_PARAM) {
1.10 paf 76: const Array *local_ops=reinterpret_cast<const Array *>(ops.quick_get(++i));
1.9 paf 77: dump(level+1, *local_ops);
1.1 paf 78: }
79: }
1.60 paf 80: fflush(stderr);
1.1 paf 81: }
82:
1.32 paf 83: void Request::execute(const Array& ops) {
1.30 paf 84: if(1) {
1.51 paf 85: fputs("source----------------------------\n", stderr);
1.12 paf 86: dump(0, ops);
1.51 paf 87: fputs("execution-------------------------\n", stderr);
1.12 paf 88: }
89:
1.11 paf 90: int size=ops.size();
1.46 paf 91: //fprintf(stderr, "size=%d\n", size);
1.11 paf 92: for(int i=0; i<size; i++) {
1.23 paf 93: Operation op;
94: op.cast=ops.quick_get(i);
1.80 paf 95: fprintf(stderr, "%d:%s", stack.top_index()+1, opcode_name[op.code]); fflush(stderr);
1.11 paf 96:
1.23 paf 97: switch(op.code) {
1.51 paf 98: // param in next instruction
1.52 paf 99: case OP_VALUE:
1.32 paf 100: {
1.52 paf 101: Value *value=static_cast<Value *>(ops.quick_get(++i));
102: fprintf(stderr, " \"%s\" %s", value->get_string()->cstr(), value->type());
103: PUSH(value);
1.32 paf 104: break;
105: }
1.65 paf 106: case OP_CODE__STORE_PARAM:
1.32 paf 107: {
1.73 paf 108: VMethodFrame *frame=static_cast<VMethodFrame *>(stack.top_value());
1.65 paf 109: // code
1.32 paf 110: const Array *local_ops=reinterpret_cast<const Array *>(ops.quick_get(++i));
1.46 paf 111: fprintf(stderr, " (%d)\n", local_ops->size());
1.38 paf 112: dump(1, *local_ops);
1.63 paf 113:
1.32 paf 114: Junction& j=*NEW Junction(pool(),
1.45 paf 115: *self, 0, 0,
1.64 paf 116: root, frame, frame, local_ops);
1.32 paf 117:
118: Value *value=NEW VJunction(j);
1.81 paf 119: ///value->set_name(frame->name());
1.65 paf 120:
121: // store param
122: frame->store_param(value);
1.32 paf 123: break;
124: }
1.66 paf 125: case OP_GET_CLASS:
1.38 paf 126: {
1.82 paf 127: const String& name=POP_NAME();
1.66 paf 128: VClass *vclass=static_cast<VClass *>(classes().get(name));
129: if(!vclass)
130: THROW(0,0,
131: &name,
132: ": undefined class");
133:
134: PUSH(vclass);
1.38 paf 135: break;
136: }
1.32 paf 137:
1.51 paf 138: // OP_WITH
1.37 paf 139: case OP_WITH_SELF:
140: {
141: PUSH(self);
142: break;
143: }
144: case OP_WITH_ROOT:
1.11 paf 145: {
1.37 paf 146: PUSH(root);
1.13 paf 147: break;
1.11 paf 148: }
1.15 paf 149: case OP_WITH_READ:
150: {
1.24 paf 151: PUSH(rcontext);
1.20 paf 152: break;
153: }
1.37 paf 154: case OP_WITH_WRITE:
1.20 paf 155: {
1.37 paf 156: PUSH(wcontext);
1.20 paf 157: break;
158: }
1.37 paf 159:
1.51 paf 160: // OTHER ACTIONS BUT WITHs
1.80 paf 161: case OP_CONSTRUCT_VALUE:
1.20 paf 162: {
1.37 paf 163: Value *value=POP();
1.82 paf 164: const String& name=POP_NAME();
1.37 paf 165: Value *ncontext=POP();
1.81 paf 166: ncontext->put_element(name, value);
1.37 paf 167: value->set_name(name);
1.15 paf 168: break;
169: }
1.80 paf 170: case OP_CONSTRUCT_EXPR:
171: {
172: Value *value=POP();
1.82 paf 173: const String& name=POP_NAME();
1.80 paf 174: Value *ncontext=POP();
1.81 paf 175: ncontext->put_element(name, value->get_expr_result());
1.80 paf 176: value->set_name(name);
177: break;
178: }
1.18 paf 179: case OP_WRITE:
1.13 paf 180: {
1.24 paf 181: Value *value=POP();
1.83 paf 182: write(*value);
1.86 ! paf 183: break;
! 184: }
! 185: case OP_STRING__WRITE:
! 186: {
! 187: VString *vstring=static_cast<VString *>(ops.quick_get(++i));
! 188: fprintf(stderr, " \"%s\"", vstring->value().cstr());
! 189: write(vstring->value());
1.13 paf 190: break;
1.14 paf 191: }
1.13 paf 192:
1.15 paf 193: case OP_GET_ELEMENT:
1.11 paf 194: {
1.17 paf 195: Value *value=get_element();
1.24 paf 196: PUSH(value);
1.17 paf 197: break;
198: }
199:
1.18 paf 200: case OP_GET_ELEMENT__WRITE:
1.17 paf 201: {
202: Value *value=get_element();
1.83 paf 203: write(*value);
1.17 paf 204: break;
205: }
206:
1.32 paf 207:
1.17 paf 208: case OP_CREATE_EWPOOL:
209: {
1.24 paf 210: PUSH(wcontext);
1.43 paf 211: wcontext=NEW WWrapper(pool(), 0 /* empty */, true /* constructing */);
1.17 paf 212: break;
213: }
214: case OP_REDUCE_EWPOOL:
215: {
1.36 paf 216: Value *value=wcontext->result();
1.25 paf 217: wcontext=static_cast<WContext *>(POP());
1.24 paf 218: PUSH(value);
1.13 paf 219: break;
1.15 paf 220: }
1.13 paf 221:
1.26 paf 222: case OP_CREATE_RWPOOL:
223: {
224: Value *ncontext=POP();
225: PUSH(rcontext);
226: rcontext=ncontext;
227: PUSH(wcontext);
1.43 paf 228: wcontext=NEW WWrapper(pool(), ncontext, false /* not constructing */);
1.26 paf 229: break;
230: }
231: case OP_REDUCE_RWPOOL:
232: {
1.82 paf 233: const String *string=wcontext->get_string();
1.80 paf 234: Value *value;
235: if(string)
236: value=NEW VString(*string);
237: else
238: value=NEW VUnknown(pool());
1.26 paf 239: wcontext=static_cast<WContext *>(POP());
240: rcontext=POP();
241: PUSH(value);
242: break;
243: }
1.49 paf 244: case OP_CREATE_SWPOOL:
245: {
246: PUSH(wcontext);
1.50 paf 247: wcontext=NEW WWrapper(pool(), 0 /* empty */, false /* not constructing */);
1.49 paf 248: break;
249: }
250: case OP_REDUCE_SWPOOL:
251: {
252: // from "$a $b" part of expression taking only string value,
253: // ignoring any other content of wcontext
1.82 paf 254: const String *string=wcontext->get_string();
1.80 paf 255: Value *value;
256: if(string)
257: value=NEW VString(*string);
258: else
259: NEW VUnknown(pool());
1.50 paf 260: wcontext=static_cast<WContext *>(POP());
1.49 paf 261: PUSH(value);
262: break;
263: }
264:
1.51 paf 265: // CALL
1.28 paf 266: case OP_GET_METHOD_FRAME:
267: {
1.32 paf 268: Value *value=POP();
1.70 paf 269: // info: this one's always method-junction, not a code-junction
1.32 paf 270: Junction *junction=value->get_junction();
1.31 paf 271: if(!junction)
1.28 paf 272: THROW(0,0,
1.42 paf 273: &value->name(),
1.39 paf 274: "type is '%s', can not call it (must be method or junction)",
1.38 paf 275: value->type());
1.70 paf 276:
1.34 paf 277: VMethodFrame *frame=NEW VMethodFrame(pool(), *junction);
1.63 paf 278: frame->set_name(junction->self.name());
1.28 paf 279: PUSH(frame);
280: break;
281: }
282: case OP_STORE_PARAM:
283: {
284: Value *value=POP();
1.73 paf 285: VMethodFrame *frame=static_cast<VMethodFrame *>(stack.top_value());
1.28 paf 286: frame->store_param(value);
1.29 paf 287: break;
288: }
289:
290: case OP_CALL:
291: {
1.46 paf 292: fprintf(stderr, "->\n");
1.34 paf 293: VMethodFrame *frame=static_cast<VMethodFrame *>(POP());
294: frame->fill_unspecified_params();
1.45 paf 295: PUSH(self);
296: PUSH(root);
297: PUSH(rcontext);
298: PUSH(wcontext);
299:
1.38 paf 300: VClass *called_class=frame->junction.self.get_class();
1.74 paf 301: // is context object or class & is it my class or my parent's class?
302: VClass *read_class=rcontext->get_class();
303: if(read_class && read_class->is_or_derived_from(*called_class)) // yes
304: self=rcontext; // class dynamic call
1.75 paf 305: else // no, not me or relative of mine (total stranger)
306: if(wcontext->constructing()) { // constructing?
307: // yes, constructor call: $some(^class:method(..))
1.80 paf 308: self=NEW VObject(pool(), *called_class);
1.83 paf 309: frame->write(*self,
310: String::Untaint_lang::NO // not used, always an object, not string
311: );
1.75 paf 312: } else
313: self=&frame->junction.self; // no, static or simple dynamic call
314:
1.45 paf 315: frame->set_self(*self);
1.29 paf 316: root=rcontext=wcontext=frame;
1.47 paf 317: {
1.48 paf 318: // take object or class from any wrappers
319: VAliased *aliased=self->get_aliased();
320: // substitute class alias to the class they are called AS
1.47 paf 321: Temp_alias temp_alias(*aliased, *frame->junction.vclass);
1.68 paf 322:
1.69 paf 323: Method& method=*frame->junction.method;
1.80 paf 324: if(method.native_code) { // native code?
325: method.check_actual_numbered_params(frame->numbered_params());
1.70 paf 326: (*method.native_code)(*this, frame->numbered_params()); // execute it
1.80 paf 327: } else // parser code
1.69 paf 328: execute(*method.parser_code); // execute it
1.47 paf 329: }
1.36 paf 330: Value *value=wcontext->result();
1.45 paf 331:
332: wcontext=static_cast<WContext *>(POP());
333: rcontext=POP();
334: root=POP();
335: self=static_cast<VAliased *>(POP());
1.62 paf 336:
1.61 paf 337: PUSH(value);
1.46 paf 338: fprintf(stderr, "<-returned");
1.49 paf 339: break;
340: }
341:
1.55 paf 342: // expression ops: unary
343: case OP_NEG:
344: {
345: Value *operand=POP();
1.80 paf 346: Value *value=NEW VDouble(pool(), -operand->get_double());
1.55 paf 347: PUSH(value);
348: break;
349: }
350: case OP_INV:
351: {
352: Value *operand=POP();
1.80 paf 353: Value *value=NEW VDouble(pool(), ~static_cast<int>(operand->get_double()));
1.55 paf 354: PUSH(value);
355: break;
356: }
357: case OP_NOT:
358: {
359: Value *operand=POP();
1.78 paf 360: Value *value=NEW VBool(pool(), !operand->get_bool());
1.55 paf 361: PUSH(value);
362: break;
363: }
1.62 paf 364: case OP_DEF:
365: {
366: Value *operand=POP();
1.78 paf 367: Value *value=NEW VBool(pool(), operand->get_defined());
1.62 paf 368: PUSH(value);
369: break;
370: }
371: case OP_IN:
372: {
373: Value *operand=POP();
1.78 paf 374: Value *value=NEW VBool(pool(), true/*TODO*/);
1.62 paf 375: PUSH(value);
376: break;
377: }
378: case OP_FEXISTS:
379: {
380: Value *operand=POP();
1.78 paf 381: Value *value=NEW VBool(pool(), true/*TODO*/);
1.62 paf 382: PUSH(value);
383: break;
384: }
1.55 paf 385:
386: // expression ops: binary
387: case OP_SUB:
1.53 paf 388: {
1.61 paf 389: Value *b=POP(); Value *a=POP();
1.80 paf 390: Value *value=NEW VDouble(pool(), a->get_double() - b->get_double());
1.53 paf 391: PUSH(value);
392: break;
393: }
1.55 paf 394: case OP_ADD:
1.53 paf 395: {
1.61 paf 396: Value *b=POP(); Value *a=POP();
1.80 paf 397: Value *value=NEW VDouble(pool(), a->get_double() + b->get_double());
1.53 paf 398: PUSH(value);
399: break;
400: }
1.49 paf 401: case OP_MUL:
402: {
1.61 paf 403: Value *b=POP(); Value *a=POP();
1.80 paf 404: Value *value=NEW VDouble(pool(), a->get_double() * b->get_double());
1.53 paf 405: PUSH(value);
406: break;
407: }
408: case OP_DIV:
409: {
1.61 paf 410: Value *b=POP(); Value *a=POP();
1.80 paf 411: Value *value=NEW VDouble(pool(), a->get_double() / b->get_double());
1.54 paf 412: PUSH(value);
413: break;
414: }
1.55 paf 415: case OP_MOD:
416: {
1.61 paf 417: Value *b=POP(); Value *a=POP();
1.78 paf 418: Value *value=NEW VDouble(pool(),
1.55 paf 419: static_cast<int>(a->get_double()) %
1.78 paf 420: static_cast<int>(b->get_double()));
1.55 paf 421: PUSH(value);
422: break;
423: }
424: case OP_BIN_AND:
1.54 paf 425: {
1.61 paf 426: Value *b=POP(); Value *a=POP();
1.78 paf 427: Value *value=NEW VDouble(pool(),
1.55 paf 428: static_cast<int>(a->get_double()) &
1.78 paf 429: static_cast<int>(b->get_double()));
1.54 paf 430: PUSH(value);
431: break;
432: }
1.55 paf 433: case OP_BIN_OR:
1.54 paf 434: {
1.61 paf 435: Value *b=POP(); Value *a=POP();
1.78 paf 436: Value *value=NEW VDouble(pool(),
1.55 paf 437: static_cast<int>(a->get_double()) |
1.78 paf 438: static_cast<int>(b->get_double()));
1.55 paf 439: PUSH(value);
440: break;
441: }
1.56 paf 442: case OP_BIN_XOR:
443: {
1.61 paf 444: Value *b=POP(); Value *a=POP();
1.78 paf 445: Value *value=NEW VDouble(pool(),
1.56 paf 446: static_cast<int>(a->get_double()) ^
1.78 paf 447: static_cast<int>(b->get_double()));
1.56 paf 448: PUSH(value);
449: break;
450: }
1.55 paf 451: case OP_LOG_AND:
452: {
1.61 paf 453: Value *b=POP(); Value *a=POP();
1.78 paf 454: Value *value=NEW VBool(pool(), a->get_bool() && b->get_bool());
1.55 paf 455: PUSH(value);
456: break;
457: }
458: case OP_LOG_OR:
459: {
1.61 paf 460: Value *b=POP(); Value *a=POP();
1.78 paf 461: Value *value=NEW VBool(pool(), a->get_bool() || b->get_bool());
1.56 paf 462: PUSH(value);
463: break;
464: }
465: case OP_LOG_XOR:
466: {
1.61 paf 467: Value *b=POP(); Value *a=POP();
1.78 paf 468: Value *value=NEW VBool(pool(), a->get_bool() ^ b->get_bool());
1.55 paf 469: PUSH(value);
470: break;
471: }
472: case OP_NUM_LT:
473: {
1.61 paf 474: Value *b=POP(); Value *a=POP();
1.78 paf 475: Value *value=NEW VBool(pool(), a->get_double() < b->get_double());
1.55 paf 476: PUSH(value);
477: break;
478: }
479: case OP_NUM_GT:
480: {
1.61 paf 481: Value *b=POP(); Value *a=POP();
1.78 paf 482: Value *value=NEW VBool(pool(), a->get_double() > b->get_double());
1.55 paf 483: PUSH(value);
484: break;
485: }
486: case OP_NUM_LE:
487: {
1.61 paf 488: Value *b=POP(); Value *a=POP();
1.78 paf 489: Value *value=NEW VBool(pool(), a->get_double() <= b->get_double());
1.55 paf 490: PUSH(value);
491: break;
492: }
493: case OP_NUM_GE:
494: {
1.61 paf 495: Value *b=POP(); Value *a=POP();
1.78 paf 496: Value *value=NEW VBool(pool(), a->get_double() >= b->get_double());
1.55 paf 497: PUSH(value);
498: break;
499: }
500: case OP_NUM_EQ:
501: {
1.61 paf 502: Value *b=POP(); Value *a=POP();
1.78 paf 503: Value *value=NEW VBool(pool(), a->get_double() == b->get_double());
1.55 paf 504: PUSH(value);
505: break;
506: }
507: case OP_NUM_NE:
508: {
1.61 paf 509: Value *b=POP(); Value *a=POP();
1.78 paf 510: Value *value=NEW VBool(pool(), a->get_double() != b->get_double());
1.54 paf 511: PUSH(value);
512: break;
513: }
1.58 paf 514: case OP_STR_LT:
515: {
1.61 paf 516: Value *b=POP(); Value *a=POP();
1.78 paf 517: Value *value=NEW VBool(pool(), a->as_string() < b->as_string());
1.58 paf 518: PUSH(value);
519: break;
520: }
521: case OP_STR_GT:
522: {
1.61 paf 523: Value *b=POP(); Value *a=POP();
1.78 paf 524: Value *value=NEW VBool(pool(), a->as_string() > b->as_string());
1.58 paf 525: PUSH(value);
526: break;
527: }
1.55 paf 528: case OP_STR_LE:
1.58 paf 529: {
1.61 paf 530: Value *b=POP(); Value *a=POP();
1.78 paf 531: Value *value=NEW VBool(pool(), a->as_string() <= b->as_string());
1.58 paf 532: PUSH(value);
533: break;
534: }
1.55 paf 535: case OP_STR_GE:
1.54 paf 536: {
1.61 paf 537: Value *b=POP(); Value *a=POP();
1.78 paf 538: Value *value=NEW VBool(pool(), a->as_string() >= b->as_string());
1.58 paf 539: PUSH(value);
540: break;
541: }
542: case OP_STR_EQ:
543: {
1.61 paf 544: Value *b=POP(); Value *a=POP();
1.78 paf 545: Value *value=NEW VBool(pool(), a->as_string() == b->as_string());
1.58 paf 546: PUSH(value);
547: break;
548: }
549: case OP_STR_NE:
550: {
1.61 paf 551: Value *b=POP(); Value *a=POP();
1.78 paf 552: Value *value=NEW VBool(pool(), a->as_string() != b->as_string());
1.49 paf 553: PUSH(value);
1.28 paf 554: break;
555: }
556:
1.11 paf 557: default:
1.67 paf 558: THROW(0,0,
559: 0,
560: "unhandled '%s' opcode", opcode_name[op.code]);
1.11 paf 561: }
1.46 paf 562: fprintf(stderr, "\n");
1.11 paf 563: }
1.1 paf 564: }
1.17 paf 565:
566: Value *Request::get_element() {
1.82 paf 567: const String& name=POP_NAME();
1.24 paf 568: Value *ncontext=POP();
1.32 paf 569: Value *value=ncontext->get_element(name);
1.21 paf 570:
1.76 paf 571: if(value)
1.84 paf 572: value=&autocalc(*value, &name); // autocalc possible code-junction
1.76 paf 573: else {
574: value=NEW VUnknown(pool());
575: value->set_name(name);
576: }
1.63 paf 577:
1.17 paf 578: return value;
1.34 paf 579: }
1.70 paf 580:
1.84 paf 581: Value& Request::autocalc(Value& value, const String *name, bool make_string) {
1.70 paf 582: Junction *junction=value.get_junction();
583: if(junction && junction->code) { // is it a code-junction?
584: // autocalc it
585: fprintf(stderr, "ja->\n");
586: PUSH(self);
587: PUSH(root);
588: PUSH(rcontext);
589: PUSH(wcontext);
590:
1.71 paf 591: WContext *frame;
592: if(make_string) {
593: // almost plain wwrapper about junction wcontext,
594: // BUT intercepts string writes
595: frame=NEW VCodeFrame(pool(), *junction->wcontext);
596: } else {
597: // plain wwrapper
598: frame=NEW WWrapper(pool(), 0 /* empty */, false /*not constructing*/);
599: }
600:
601: wcontext=frame;
1.70 paf 602: self=&junction->self;
603: root=junction->root;
604: rcontext=junction->rcontext;
605: execute(*junction->code);
1.71 paf 606: Value *result;
607: if(make_string) {
608: // CodeFrame soul:
609: // string writes were intercepted
610: // returning them as the result of getting code-junction
611: result=NEW VString(*frame->get_string());
612: } else
613: result=frame->result();
1.84 paf 614: if(name)
615: result->set_name(*name);
1.70 paf 616:
617: wcontext=static_cast<WContext *>(POP());
618: rcontext=POP();
619: root=POP();
620: self=static_cast<VAliased *>(POP());
621:
622: fprintf(stderr, "<-ja returned");
1.71 paf 623: return *result;
1.70 paf 624: } else
625: return value;
1.85 paf 626: }
627:
628: char *Request::execute_static(VClass& vclass, String& method_name, bool return_cstr) {
629: Value *value=vclass.get_element(method_name);
630: if(value) { // found some 'METHOD_NAME' element
631: Junction *junction=value->get_junction();
632: if(junction) {// it even has junction!
633: const Method *method=junction->method;
634: if(method) { // and junction is method-junction! call it
635: PUSH(self);
636: PUSH(root);
637: PUSH(rcontext);
638: PUSH(wcontext);
639:
640: // initialize contexts
641: root=rcontext=self=&vclass;
642: wcontext=NEW WWrapper(pool(), &vclass, false /* not constructing */);
643:
644: // execute!
645: execute(*method->parser_code);
646:
647: // result
648: char *result;
649: if(return_cstr)
650: result=wcontext->get_string()->cstr(); // chars
651: else
652: result=0; // ignore result
653:
654: wcontext=static_cast<WContext *>(POP());
655: rcontext=POP();
656: root=POP();
657: self=static_cast<VAliased *>(POP());
658:
659: // return
660: return result;
661: }
662: }
663: }
664: return 0;
1.70 paf 665: }
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