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Up to [parser3project] / parser3 / src / main|
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1.117 paf 1: /** @file
1.118 paf 2: Parser: executor part of request class.
3:
1.368 moko 4: Copyright (c) 2001-2012 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:
1.373 ! moko 24: volatile const char * IDENT_EXECUTE_C="$Id: execute.C,v 1.372 2015/03/16 09:47:34 misha 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
1.1 paf 29: 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",
1.328 misha 36: "VALUE__GET_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
1.232 paf 63: "OBJECT_POOL", "STRING_POOL",
1.348 misha 64: "PREPARE_TO_CONSTRUCT_OBJECT",
65: "CONSTRUCT_OBJECT",
66: "CONSTRUCT_OBJECT__WRITE",
67: "PREPARE_TO_EXPRESSION",
1.232 paf 68: "CALL", "CALL__WRITE",
1.49 paf 69:
1.337 misha 70: #ifdef OPTIMIZE_BYTECODE_CONSTRUCT
1.344 misha 71: "WITH_ROOT__VALUE__CONSTRUCT_EXPR",
72: "WITH_ROOT__VALUE__CONSTRUCT_VALUE",
73: "WITH_WRITE__VALUE__CONSTRUCT_EXPR",
74: "WITH_WRITE__VALUE__CONSTRUCT_VALUE",
1.345 misha 75: "WITH_SELF__VALUE__CONSTRUCT_EXPR",
76: "WITH_SELF__VALUE__CONSTRUCT_VALUE",
1.337 misha 77: #endif
78:
1.372 misha 79: #ifdef OPTIMIZE_BYTECODE_GET_ELEMENT__SPECIAL
80: "GET_ELEMENT__SPECIAL",
81: "GET_ELEMENT__SPECIAL__WRITE",
82: #endif
1.49 paf 83: // expression ops: unary
1.148 paf 84: "NEG", "INV", "NOT", "DEF", "IN", "FEXISTS", "DEXISTS",
1.49 paf 85: // expression ops: binary
1.201 paf 86: "SUB", "ADD", "MUL", "DIV", "MOD", "INTDIV",
1.275 paf 87: "BIN_SL", "BIN_SR",
1.56 paf 88: "BIN_AND", "BIN_OR", "BIN_XOR",
89: "LOG_AND", "LOG_OR", "LOG_XOR",
1.49 paf 90: "NUM_LT", "NUM_GT", "NUM_LE", "NUM_GE", "NUM_EQ", "NUM_NE",
1.103 paf 91: "STR_LT", "STR_GT", "STR_LE", "STR_GE", "STR_EQ", "STR_NE",
92: "IS"
1.1 paf 93: };
94:
1.342 misha 95: const char* debug_value_to_cstr(Value& value){
96: const String* string=value.get_string();
97:
98: if(string)
99: return string->cstr();
100: else
101: if(value.is_bool())
102: return value.as_bool()?"<true>":"<false>";
103: else
104: return "<value>";
105: }
106:
1.297 paf 107: void va_debug_printf(SAPI_Info& sapi_info, const char* fmt,va_list args) {
1.127 paf 108: char buf[MAX_STRING];
109: vsnprintf(buf, MAX_STRING, fmt, args);
1.297 paf 110: SAPI::log(sapi_info, "%s", buf);
1.107 paf 111: }
112:
1.297 paf 113: void debug_printf(SAPI_Info& sapi_info, const char* fmt, ...) {
1.334 misha 114: va_list args;
115: va_start(args, fmt);
116: va_debug_printf(sapi_info, fmt, args);
117: va_end(args);
1.105 paf 118: }
119:
1.297 paf 120: void debug_dump(SAPI_Info& sapi_info, int level, ArrayOperation& ops) {
121: Array_iterator<Operation> i(ops);
1.190 parser 122: while(i.has_next()) {
1.323 misha 123: OP::OPCODE opcode=i.next().code;
1.1 paf 124:
1.337 misha 125: #if defined(OPTIMIZE_BYTECODE_GET_OBJECT_ELEMENT) || defined(OPTIMIZE_BYTECODE_GET_OBJECT_VAR_ELEMENT)
1.334 misha 126: if(
1.335 misha 127: 1==0
128: #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_ELEMENT
129: || opcode==OP::OP_GET_OBJECT_ELEMENT
130: || opcode==OP::OP_GET_OBJECT_ELEMENT__WRITE
131: #endif
132: #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_VAR_ELEMENT
133: || opcode==OP::OP_GET_OBJECT_VAR_ELEMENT
134: || opcode==OP::OP_GET_OBJECT_VAR_ELEMENT__WRITE
135: #endif
1.334 misha 136: ){
137: i.next(); // skip origin
138: Value& value1=*i.next().value;
139: i.next(); // skip origin
140: Value& value2=*i.next().value;
141: debug_printf(sapi_info,
142: "%*s%s"
143: " \"%s\" \"%s\"",
144: level*4, "", opcode_name[opcode],
1.342 misha 145: debug_value_to_cstr(value1), debug_value_to_cstr(value2));
1.334 misha 146: continue;
147: }
148: #endif
1.348 misha 149: if(
150: opcode==OP::OP_CONSTRUCT_OBJECT
151: || opcode==OP::OP_CONSTRUCT_OBJECT__WRITE
152: ){
153: i.next(); // skip origin
154: Value& value1=*i.next().value;
155: i.next(); // skip origin
156: Value& value2=*i.next().value;
157: debug_printf(sapi_info,
158: "%*s%s"
159: " \"%s\" \"%s\"",
160: level*4, "", opcode_name[opcode],
161: debug_value_to_cstr(value1), debug_value_to_cstr(value2));
162:
163: if(ArrayOperation* local_ops=i.next().ops)
164: debug_dump(sapi_info, level+1, *local_ops);
165: continue;
166: }
1.328 misha 167: if(
168: opcode==OP::OP_VALUE
169: || opcode==OP::OP_STRING__WRITE
170: || opcode==OP::OP_VALUE__GET_CLASS
171: #ifdef OPTIMIZE_BYTECODE_GET_ELEMENT
172: || opcode==OP::OP_VALUE__GET_ELEMENT
173: || opcode==OP::OP_VALUE__GET_ELEMENT__WRITE
174: || opcode==OP::OP_VALUE__GET_ELEMENT_OR_OPERATOR
1.347 misha 175: || opcode==OP::OP_WITH_ROOT__VALUE__GET_ELEMENT
1.328 misha 176: #endif
1.345 misha 177: #ifdef OPTIMIZE_BYTECODE_GET_SELF_ELEMENT
178: || opcode==OP::OP_WITH_SELF__VALUE__GET_ELEMENT
179: || opcode==OP::OP_WITH_SELF__VALUE__GET_ELEMENT__WRITE
180: #endif
1.342 misha 181: #ifdef OPTIMIZE_BYTECODE_CONSTRUCT
1.344 misha 182: || opcode==OP::OP_WITH_ROOT__VALUE__CONSTRUCT_EXPR
183: || opcode==OP::OP_WITH_ROOT__VALUE__CONSTRUCT_VALUE
184: || opcode==OP::OP_WITH_WRITE__VALUE__CONSTRUCT_EXPR
185: || opcode==OP::OP_WITH_WRITE__VALUE__CONSTRUCT_VALUE
1.345 misha 186: || opcode==OP::OP_WITH_SELF__VALUE__CONSTRUCT_EXPR
187: || opcode==OP::OP_WITH_SELF__VALUE__CONSTRUCT_VALUE
1.342 misha 188: #endif
1.328 misha 189: ) {
1.297 paf 190: Operation::Origin origin=i.next().origin;
191: Value& value=*i.next().value;
1.342 misha 192:
1.297 paf 193: debug_printf(sapi_info,
1.133 paf 194: "%*s%s"
195: " \"%s\" %s",
1.297 paf 196: level*4, "", opcode_name[opcode],
1.342 misha 197: debug_value_to_cstr(value), value.type());
1.133 paf 198: continue;
1.15 paf 199: }
1.348 misha 200:
1.297 paf 201: debug_printf(sapi_info, "%*s%s", level*4, "", opcode_name[opcode]);
1.1 paf 202:
1.297 paf 203: switch(opcode) {
1.323 misha 204: case OP::OP_CURLY_CODE__STORE_PARAM:
205: case OP::OP_EXPR_CODE__STORE_PARAM:
206: case OP::OP_CURLY_CODE__CONSTRUCT:
207: case OP::OP_NESTED_CODE:
1.346 misha 208: case OP::OP_OBJECT_POOL:
1.323 misha 209: case OP::OP_STRING_POOL:
210: case OP::OP_CALL:
211: case OP::OP_CALL__WRITE:
1.297 paf 212: if(ArrayOperation* local_ops=i.next().ops)
213: debug_dump(sapi_info, level+1, *local_ops);
1.1 paf 214: }
215: }
216: }
1.336 misha 217: #define DEBUG_PRINT_STR(str) debug_printf(sapi_info, str);
218: #define DEBUG_PRINT_STRING(value) debug_printf(sapi_info, " \"%s\" ", value.cstr());
1.342 misha 219: #define DEBUG_PRINT_VALUE_AND_TYPE(value) debug_printf(sapi_info, " \"%s\" %s", debug_value_to_cstr(value), value.type());
1.336 misha 220: #define DEBUG_PRINT_OPS(local_ops) \
221: debug_printf(sapi_info, \
222: " (%d)\n", local_ops?local_ops->count():0); \
223: if(local_ops) debug_dump(sapi_info, 1, *local_ops);
224:
225: #else
226: #define DEBUG_PRINT_STR(str)
227: #define DEBUG_PRINT_STRING(value)
1.342 misha 228: #define DEBUG_PRINT_VALUE_AND_TYPE(value)
1.336 misha 229: #define DEBUG_PRINT_OPS(local_ops)
1.157 parser 230: #endif
1.1 paf 231:
1.336 misha 232:
1.297 paf 233: // Request
234:
235: void Request::execute(ArrayOperation& ops) {
236: register Stack<StackItem>& stack=this->stack; // helps a lot on MSVC: 'esi'
1.159 parser 237:
1.304 paf 238: const String* debug_name=0; Operation::Origin debug_origin={0, 0, 0};
1.297 paf 239: try{
1.157 parser 240: #ifdef DEBUG_EXECUTE
1.297 paf 241: debug_printf(sapi_info, "source----------------------------\n");
242: debug_dump(sapi_info, 0, ops);
243: debug_printf(sapi_info, "execution-------------------------\n");
1.157 parser 244: #endif
1.297 paf 245: for(Array_iterator<Operation> i(ops); i.has_next(); ) {
1.322 misha 246: OP::OPCODE opcode=i.next().code;
1.293 paf 247:
1.157 parser 248: #ifdef DEBUG_EXECUTE
1.297 paf 249: debug_printf(sapi_info, "%d:%s", stack.top_index()+1, opcode_name[opcode]);
1.157 parser 250: #endif
1.11 paf 251:
1.297 paf 252: switch(opcode) {
1.51 paf 253: // param in next instruction
1.322 misha 254: case OP::OP_VALUE:
1.32 paf 255: {
1.297 paf 256: debug_origin=i.next().origin;
257: Value& value=*i.next().value;
1.342 misha 258:
259: DEBUG_PRINT_VALUE_AND_TYPE(value)
260:
1.297 paf 261: stack.push(value);
1.32 paf 262: break;
263: }
1.328 misha 264: case OP::OP_VALUE__GET_CLASS:
265: {
266: // maybe they do ^class:method[] call, remember the fact
267: wcontext->set_somebody_entered_some_class();
268:
269: debug_origin=i.next().origin;
1.372 misha 270: const String& name=*i.next().value->get_string(); debug_name=&name;
1.328 misha 271:
1.336 misha 272: DEBUG_PRINT_STRING(name)
1.328 misha 273:
1.358 misha 274: Value* class_value=get_class(name);
1.328 misha 275: if(!class_value)
276: throw Exception(PARSER_RUNTIME,
277: &name,
278: "class is undefined");
279:
280: stack.push(*class_value);
281: break;
282: }
1.372 misha 283:
284: #ifdef OPTIMIZE_BYTECODE_GET_ELEMENT__SPECIAL
285: case OP::OP_GET_ELEMENT__SPECIAL:
286: case OP::OP_GET_ELEMENT__SPECIAL__WRITE:
287: {
288: const String& name=stack.pop().string(); debug_name=&name;
289: Value& ncontext=stack.pop().value();
290:
291: Value* value=0;
292: if(VStateless_class* vclass=ncontext.get_class()){
293: if(name==class_element_name){
294: value=vclass;
295: } else if(name==class_name_element_name){
296: value=new VString(vclass->name());
297: }
298: } else {
299: // Value
300: if(name==class_element_name){
301: value=&ncontext;
302: }else if(name==class_name_element_name){
303: value=new VString(*new String(ncontext.type()));
304: }
305: };
306: if(opcode==OP::OP_GET_ELEMENT__SPECIAL){
307: stack.push(*value);
308: } else {
309: write_assign_lang(*value);
310: }
311: break;
312: }
313: #endif
314:
1.51 paf 315: // OP_WITH
1.322 misha 316: case OP::OP_WITH_ROOT:
1.187 parser 317: {
1.297 paf 318: stack.push(*method_frame);
1.187 parser 319: break;
320: }
1.336 misha 321: case OP::OP_WITH_SELF:
1.37 paf 322: {
1.297 paf 323: stack.push(get_self());
1.37 paf 324: break;
325: }
1.336 misha 326: case OP::OP_WITH_READ:
1.15 paf 327: {
1.297 paf 328: stack.push(*rcontext);
1.20 paf 329: break;
330: }
1.336 misha 331: case OP::OP_WITH_WRITE:
1.20 paf 332: {
1.287 paf 333: if(wcontext==method_frame)
1.316 misha 334: throw Exception(PARSER_RUNTIME,
1.287 paf 335: 0,
336: "$.name outside of $name[...]");
337:
1.297 paf 338: stack.push(*wcontext);
1.20 paf 339: break;
340: }
1.37 paf 341:
1.51 paf 342: // OTHER ACTIONS BUT WITHs
1.337 misha 343:
344: #ifdef OPTIMIZE_BYTECODE_CONSTRUCT
1.347 misha 345: #define DO_CONSTRUCT(context, vvalue) { \
346: debug_origin=i.next().origin; \
347: const String& name=*i.next().value->get_string(); debug_name=&name; \
348: DEBUG_PRINT_STRING(name) \
349: Value& value=stack.pop().value(); \
350: put_element( context, name, vvalue ); \
351: break; \
352: }
353: #define DO_CONSTRUCT_VALUE(context) DO_CONSTRUCT(context, &value)
354: #define DO_CONSTRUCT_EXPR(context) { \
355: wcontext->set_in_expression(false); \
356: DO_CONSTRUCT(context, &value.as_expr_result()) \
357: }
358:
1.344 misha 359: case OP::OP_WITH_WRITE__VALUE__CONSTRUCT_EXPR:
1.347 misha 360: {
361: if(wcontext==method_frame)
362: throw Exception(PARSER_RUNTIME, 0, "$.name outside of $name[...]");
363: DO_CONSTRUCT_EXPR(*wcontext)
364: }
365:
1.344 misha 366: case OP::OP_WITH_WRITE__VALUE__CONSTRUCT_VALUE:
1.338 misha 367: {
368: if(wcontext==method_frame)
1.347 misha 369: throw Exception(PARSER_RUNTIME, 0, "$.name outside of $name[...]");
370: DO_CONSTRUCT_VALUE(*wcontext)
1.338 misha 371: }
1.345 misha 372:
1.347 misha 373: case OP::OP_WITH_ROOT__VALUE__CONSTRUCT_EXPR: DO_CONSTRUCT_EXPR(*method_frame)
1.337 misha 374:
1.347 misha 375: case OP::OP_WITH_ROOT__VALUE__CONSTRUCT_VALUE: DO_CONSTRUCT_VALUE(*method_frame)
1.337 misha 376:
1.347 misha 377: case OP::OP_WITH_SELF__VALUE__CONSTRUCT_EXPR: DO_CONSTRUCT_EXPR(get_self())
1.342 misha 378:
1.347 misha 379: case OP::OP_WITH_SELF__VALUE__CONSTRUCT_VALUE: DO_CONSTRUCT_VALUE(get_self())
1.345 misha 380:
1.340 misha 381: #endif // OPTIMIZE_BYTECODE_CONSTRUCT
1.337 misha 382:
1.344 misha 383: case OP::OP_CONSTRUCT_VALUE:
1.337 misha 384: {
1.344 misha 385: #ifdef OPTIMIZE_BYTECODE_CONSTRUCT
386: const String& name=stack.pop().string(); debug_name=&name;
387: Value& ncontext=stack.pop().value();
388: Value& value=stack.pop().value();
389: #else
390: Value& value=stack.pop().value();
391: const String& name=stack.pop().string(); debug_name=&name;
392: Value& ncontext=stack.pop().value();
393: #endif
394: put_element(ncontext, name, &value);
1.337 misha 395:
396: break;
397: }
398:
1.322 misha 399: case OP::OP_CONSTRUCT_EXPR:
1.80 paf 400: {
1.219 paf 401: // see OP_PREPARE_TO_EXPRESSION
402: wcontext->set_in_expression(false);
403:
1.344 misha 404: #ifdef OPTIMIZE_BYTECODE_CONSTRUCT
405: const String& name=stack.pop().string(); debug_name=&name;
406: Value& ncontext=stack.pop().value();
407: Value& expr=stack.pop().value();
408: #else
1.308 paf 409: Value& expr=stack.pop().value();
1.297 paf 410: const String& name=stack.pop().string(); debug_name=&name;
411: Value& ncontext=stack.pop().value();
1.344 misha 412: #endif
1.308 paf 413: Value& value=expr.as_expr_result();
1.329 misha 414: put_element(ncontext, name, &value);
1.80 paf 415: break;
416: }
1.337 misha 417:
1.322 misha 418: case OP::OP_CURLY_CODE__CONSTRUCT:
1.182 parser 419: {
1.297 paf 420: ArrayOperation& local_ops=*i.next().ops;
1.336 misha 421:
422: DEBUG_PRINT_OPS((&local_ops))
423:
1.326 misha 424: VJunction& value=*new VJunction(
1.297 paf 425: get_self(), 0,
1.257 paf 426: method_frame,
1.240 paf 427: rcontext,
428: wcontext,
1.312 paf 429: &local_ops);
1.238 paf 430:
1.326 misha 431: wcontext->attach_junction(&value);
432:
1.297 paf 433: const String& name=stack.pop().string(); debug_name=&name;
434: Value& ncontext=stack.pop().value();
1.371 moko 435: if(const VJunction* vjunction=ncontext.put_element(name, &value))
1.312 paf 436: if(vjunction!=PUT_ELEMENT_REPLACED_ELEMENT)
1.316 misha 437: throw Exception(PARSER_RUNTIME,
1.308 paf 438: 0,
439: "property value can not be code, use [] or () brackets");
440:
1.182 parser 441: break;
442: }
1.322 misha 443: case OP::OP_NESTED_CODE:
1.209 paf 444: {
1.297 paf 445: ArrayOperation& local_ops=*i.next().ops;
1.336 misha 446:
447: DEBUG_PRINT_OPS((&local_ops))
448:
1.297 paf 449: stack.push(local_ops);
1.209 paf 450: break;
451: }
1.322 misha 452: case OP::OP_WRITE_VALUE:
1.13 paf 453: {
1.297 paf 454: Value& value=stack.pop().value();
455: write_assign_lang(value);
1.86 paf 456: break;
457: }
1.322 misha 458: case OP::OP_WRITE_EXPR_RESULT:
1.108 paf 459: {
1.219 paf 460: // see OP_PREPARE_TO_EXPRESSION
461: wcontext->set_in_expression(false);
1.351 misha 462:
463: Value& value=stack.pop().value();
464: wcontext->write(value.as_expr_result());
1.108 paf 465: break;
466: }
1.322 misha 467: case OP::OP_STRING__WRITE:
1.86 paf 468: {
1.297 paf 469: i.next(); // ignore origin
470: Value* value=i.next().value;
1.336 misha 471:
472: const String& string_value=*value->get_string();
473:
474: DEBUG_PRINT_STRING(string_value)
475:
476: write_no_lang(string_value);
1.13 paf 477: break;
1.14 paf 478: }
1.328 misha 479:
480: #ifdef OPTIMIZE_BYTECODE_GET_ELEMENT
481: case OP::OP_VALUE__GET_ELEMENT_OR_OPERATOR:
482: {
483: debug_origin=i.next().origin;
484: const String& name=*i.next().value->get_string(); debug_name=&name;
485:
1.336 misha 486: DEBUG_PRINT_STRING(name)
487:
1.330 misha 488: if(Method* method=main_class.get_method(name)){ // looking operator of that name FIRST
489: if(!method->junction_template) method->junction_template=new VJunction(main_class, method);
490: stack.push(*method->junction_template);
491: break;
492: }
493: Value& value=get_element(*rcontext, name);
1.328 misha 494: stack.push(value);
495: break;
496: }
497: #else
1.322 misha 498: case OP::OP_GET_ELEMENT_OR_OPERATOR:
1.215 paf 499: {
1.297 paf 500: const String& name=stack.pop().string(); debug_name=&name;
501: Value& ncontext=stack.pop().value();
1.330 misha 502: if(Method* method=main_class.get_method(name)){ // looking operator of that name FIRST
503: if(!method->junction_template) method->junction_template=new VJunction(main_class, method);
504: stack.push(*method->junction_template);
505: break;
506: }
507: Value& value=get_element(ncontext, name);
1.297 paf 508: stack.push(value);
1.215 paf 509: break;
510: }
1.328 misha 511: #endif
512:
1.335 misha 513: #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_ELEMENT
514: case OP::OP_GET_OBJECT_ELEMENT:
515: case OP::OP_GET_OBJECT_ELEMENT__WRITE:
1.334 misha 516: {
517: debug_origin=i.next().origin;
518: const String& context_name=*i.next().value->get_string(); debug_name=&context_name;
1.336 misha 519:
520: DEBUG_PRINT_STRING(context_name)
521:
1.334 misha 522: Value& object=get_element(*rcontext, context_name);
523:
524: debug_origin=i.next().origin;
525: const String& field_name=*i.next().value->get_string(); debug_name=&field_name;
1.336 misha 526:
527: DEBUG_PRINT_STRING(field_name)
528:
1.334 misha 529: Value& value=get_element(object, field_name);
530:
1.335 misha 531: if(opcode==OP::OP_GET_OBJECT_ELEMENT){
532: stack.push(value);
533: } else {
534: write_assign_lang(value);
535: }
536: break;
537: }
538: #endif
539:
540: #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_VAR_ELEMENT
541: case OP::OP_GET_OBJECT_VAR_ELEMENT:
542: case OP::OP_GET_OBJECT_VAR_ELEMENT__WRITE:
543: {
544: debug_origin=i.next().origin;
545: const String& context_name=*i.next().value->get_string(); debug_name=&context_name;
1.336 misha 546:
547: DEBUG_PRINT_STRING(context_name)
548:
1.335 misha 549: Value& object=get_element(*rcontext, context_name);
550:
551: debug_origin=i.next().origin;
552: const String& var_name=*i.next().value->get_string(); debug_name=&var_name;
1.336 misha 553:
554: DEBUG_PRINT_STRING(var_name)
555:
1.359 misha 556: const String* field=&get_element(*rcontext, var_name).as_string();
1.335 misha 557:
558: Value& value=get_element(object, *field);
559:
560: if(opcode==OP::OP_GET_OBJECT_VAR_ELEMENT){
1.334 misha 561: stack.push(value);
562: } else {
563: write_assign_lang(value);
564: }
565: break;
566: }
567: #endif
568:
1.322 misha 569: case OP::OP_GET_ELEMENT:
1.11 paf 570: {
1.297 paf 571: const String& name=stack.pop().string(); debug_name=&name;
572: Value& ncontext=stack.pop().value();
1.330 misha 573: Value& value=get_element(ncontext, name);
1.297 paf 574: stack.push(value);
1.17 paf 575: break;
576: }
577:
1.346 misha 578: case OP::OP_GET_ELEMENT__WRITE:
579: {
580: const String& name=stack.pop().string(); debug_name=&name;
581: Value& ncontext=stack.pop().value();
582: Value& value=get_element(ncontext, name);
583: write_assign_lang(value);
584: break;
585: }
586:
1.328 misha 587: #ifdef OPTIMIZE_BYTECODE_GET_ELEMENT
588: case OP::OP_VALUE__GET_ELEMENT:
589: {
590: debug_origin=i.next().origin;
591: const String& name=*i.next().value->get_string(); debug_name=&name;
592:
1.336 misha 593: DEBUG_PRINT_STRING(name)
1.328 misha 594:
1.330 misha 595: Value& value=get_element(*rcontext, name);
1.328 misha 596: stack.push(value);
597: break;
598: }
599:
600: case OP::OP_VALUE__GET_ELEMENT__WRITE:
601: {
602: debug_origin=i.next().origin;
603: const String& name=*i.next().value->get_string(); debug_name=&name;
604:
1.336 misha 605: DEBUG_PRINT_STRING(name)
1.328 misha 606:
1.330 misha 607: Value& value=get_element(*rcontext, name);
1.328 misha 608: write_assign_lang(value);
609: break;
610: }
1.347 misha 611:
612: case OP::OP_WITH_ROOT__VALUE__GET_ELEMENT:
613: {
614: debug_origin=i.next().origin;
615: const String& name=*i.next().value->get_string(); debug_name=&name;
616:
617: DEBUG_PRINT_STRING(name)
618:
619: Value& value=get_element(*method_frame, name);
620: stack.push(value);
621: break;
622: }
1.328 misha 623: #endif
1.32 paf 624:
1.345 misha 625: #ifdef OPTIMIZE_BYTECODE_GET_SELF_ELEMENT
626: case OP::OP_WITH_SELF__VALUE__GET_ELEMENT:
627: case OP::OP_WITH_SELF__VALUE__GET_ELEMENT__WRITE:
628: {
629: debug_origin=i.next().origin;
630: const String& name=*i.next().value->get_string(); debug_name=&name;
631:
632: DEBUG_PRINT_STRING(name)
633:
634: Value& value=get_element(get_self(), name);
635:
636: if(opcode==OP::OP_WITH_SELF__VALUE__GET_ELEMENT){
637: stack.push(value);
638: } else {
639: write_assign_lang(value);
640: }
641: break;
642: }
643: #endif
644:
1.322 misha 645: case OP::OP_OBJECT_POOL:
1.17 paf 646: {
1.297 paf 647: ArrayOperation& local_ops=*i.next().ops;
1.226 paf 648:
1.257 paf 649: WContext *saved_wcontext=wcontext;
1.297 paf 650: String::Language saved_lang=flang;
651: flang=String::L_PASS_APPENDED;
1.348 misha 652: #ifdef OPTIMIZE_SINGLE_STRING_WRITE
1.351 misha 653: WObjectPoolWrapper local(wcontext);
1.348 misha 654: #else
1.351 misha 655: WWrapper local(wcontext);
1.348 misha 656: #endif
1.226 paf 657: wcontext=&local;
658:
1.297 paf 659: execute(local_ops);
1.226 paf 660:
1.297 paf 661: stack.push(wcontext->result().as_value());
1.257 paf 662: flang=saved_lang;
663: wcontext=saved_wcontext;
1.13 paf 664: break;
1.15 paf 665: }
1.13 paf 666:
1.322 misha 667: case OP::OP_STRING_POOL:
1.49 paf 668: {
1.297 paf 669: ArrayOperation& local_ops=*i.next().ops;
1.226 paf 670:
1.257 paf 671: WContext *saved_wcontext=wcontext;
1.351 misha 672: WWrapper local(wcontext);
1.226 paf 673: wcontext=&local;
674:
1.297 paf 675: execute(local_ops);
1.226 paf 676:
1.49 paf 677: // from "$a $b" part of expression taking only string value,
678: // ignoring any other content of wcontext
1.367 moko 679: const String* string=wcontext->get_string();
680: Value* value=string ? new VString(*string) : new VString();
1.297 paf 681: stack.push(*value);
682:
1.257 paf 683: wcontext=saved_wcontext;
1.49 paf 684: break;
685: }
686:
1.51 paf 687: // CALL
1.322 misha 688: case OP::OP_CURLY_CODE__STORE_PARAM:
689: case OP::OP_EXPR_CODE__STORE_PARAM:
1.28 paf 690: {
1.237 paf 691: // code
1.297 paf 692: ArrayOperation& local_ops=*i.next().ops;
1.336 misha 693:
694: DEBUG_PRINT_OPS((&local_ops))
695:
1.237 paf 696: // when they evaluate expression parameter,
697: // the object expression result
698: // does not need to be written into calling frame
699: // it must go into any expressions using that parameter
700: // hence, we zero junction.wcontext here, and later
701: // in .process we would test that field
702: // in decision "which wwrapper to use"
1.326 misha 703: VJunction& value=*new VJunction(
1.297 paf 704: get_self(), 0,
1.257 paf 705: method_frame,
1.237 paf 706: rcontext,
1.322 misha 707: opcode==OP::OP_EXPR_CODE__STORE_PARAM?0:wcontext,
1.312 paf 708: &local_ops);
1.343 misha 709: #ifndef USE_DESTRUCTORS
1.326 misha 710: if (opcode!=OP::OP_EXPR_CODE__STORE_PARAM)
1.343 misha 711: wcontext->attach_junction(&value);
1.326 misha 712: #endif
1.237 paf 713: // store param
1.329 misha 714: stack.push(value);
1.29 paf 715: break;
716: }
717:
1.322 misha 718: case OP::OP_PREPARE_TO_EXPRESSION:
1.219 paf 719: {
720: wcontext->set_in_expression(true);
721: break;
722: }
723:
1.350 misha 724: #define METHOD_FRAME_ACTION(action) \
725: if(local_ops){ \
726: size_t first = stack.top_index(); \
727: execute(*local_ops); \
728: frame.store_params((Value**)stack.ptr(first), stack.top_index()-first); \
729: action; \
730: stack.set_top_index(first); \
731: } else { \
732: frame.empty_params(); \
733: action; \
734: }
735:
1.322 misha 736: case OP::OP_CALL:
1.29 paf 737: {
1.297 paf 738: ArrayOperation* local_ops=i.next().ops;
1.237 paf 739:
1.336 misha 740: DEBUG_PRINT_OPS(local_ops)
741: DEBUG_PRINT_STR("->\n")
742:
1.297 paf 743: Value& value=stack.pop().value();
1.237 paf 744:
1.297 paf 745: Junction* junction=value.get_junction();
746: if(!junction) {
747: if(value.is("void"))
1.316 misha 748: throw Exception(PARSER_RUNTIME,
1.297 paf 749: 0,
750: "undefined method");
751: else
1.316 misha 752: throw Exception(PARSER_RUNTIME,
1.297 paf 753: 0,
754: "is '%s', not a method or junction, can not call it",
755: value.type());
756: }
1.237 paf 757:
1.370 moko 758: Value *result;
759: {
760: VMethodFrame frame(*junction->method, method_frame, junction->self);
761: METHOD_FRAME_ACTION(op_call(frame));
762: result=&frame.result().as_value();
763: // VMethodFrame desctructor deletes junctions in stack params here
764: }
765: stack.push(*result);
1.332 misha 766:
1.336 misha 767: DEBUG_PRINT_STR("<-returned")
768:
1.332 misha 769: if(get_skip())
770: return;
771: if(get_interrupted()) {
772: set_interrupted(false);
773: throw Exception("parser.interrupted",
774: 0,
775: "execution stopped");
1.237 paf 776: }
1.332 misha 777: break;
778: }
1.220 paf 779:
1.332 misha 780: case OP::OP_CALL__WRITE:
781: {
782: ArrayOperation* local_ops=i.next().ops;
783:
1.336 misha 784: DEBUG_PRINT_OPS(local_ops)
785: DEBUG_PRINT_STR("->\n")
786:
1.332 misha 787: Value& value=stack.pop().value();
788:
789: Junction* junction=value.get_junction();
790: if(!junction) {
791: if(value.is("void"))
792: throw Exception(PARSER_RUNTIME,
793: 0,
794: "undefined method");
795: else
796: throw Exception(PARSER_RUNTIME,
797: 0,
798: "is '%s', not a method or junction, can not call it",
799: value.type());
800: }
801:
802: #ifdef OPTIMIZE_CALL
803: const Method& method=*junction->method;
1.353 misha 804: if(method.call_optimization==Method::CO_WITHOUT_FRAME){
1.332 misha 805: if(local_ops){ // store param code goes here
806: size_t first = stack.top_index();
807: execute(*local_ops);
808:
809: MethodParams method_params;
810: method_params.store_params((Value**)stack.ptr(first), stack.top_index()-first);
811: method.check_actual_numbered_params(junction->self, &method_params);
812: method.native_code(*this, method_params); // execute it
813:
814: stack.set_top_index(first);
815: } else {
816: MethodParams method_params;
817: method.check_actual_numbered_params(junction->self, &method_params);
818: method.native_code(*this, method_params); // execute it
819: }
1.353 misha 820: } else if(method.call_optimization==Method::CO_WITHOUT_WCONTEXT){
1.363 moko 821: VMethodFrame frame(method, method_frame, junction->self);
1.350 misha 822: METHOD_FRAME_ACTION(op_call_write(frame));
1.332 misha 823: } else
824: #endif // OPTIMIZE_CALL
825: {
1.363 moko 826: VMethodFrame frame(method, method_frame, junction->self);
827: METHOD_FRAME_ACTION(op_call(frame));
1.346 misha 828: write_pass_lang(frame.result());
1.332 misha 829: }
1.336 misha 830:
831: DEBUG_PRINT_STR("<-returned")
1.327 misha 832:
833: if(get_skip())
834: return;
835: if(get_interrupted()) {
836: set_interrupted(false);
837: throw Exception("parser.interrupted",
838: 0,
839: "execution stopped");
840: }
1.49 paf 841: break;
842: }
843:
1.348 misha 844: case OP::OP_CONSTRUCT_OBJECT:
845: case OP::OP_CONSTRUCT_OBJECT__WRITE:
846: {
847: debug_origin=i.next().origin;
848: Value& vclass_name=*i.next().value;
1.360 pretende 849: const String& class_name=*vclass_name.get_string(); debug_name=&class_name;
1.348 misha 850:
851: DEBUG_PRINT_STRING(class_name)
852:
1.358 misha 853: Value* class_value=get_class(class_name);
1.348 misha 854: if(!class_value)
855: throw Exception(PARSER_RUNTIME,
856: &class_name,
857: "class is undefined");
858:
859: debug_origin=i.next().origin;
860: Value& vconstructor_name=*i.next().value;
861: const String& constructor_name=*vconstructor_name.get_string(); debug_name=&constructor_name;
862:
863: DEBUG_PRINT_STRING(constructor_name)
864:
1.363 moko 865: Junction* constructor_junction=get_element(*class_value, constructor_name).get_junction();
866: if(!constructor_junction)
1.350 misha 867: throw Exception(PARSER_RUNTIME,
868: &constructor_name,
869: "constructor must be declared in class '%s'",
870: class_value->get_class()->name_cstr());
871:
1.348 misha 872: ArrayOperation* local_ops=i.next().ops;
873: DEBUG_PRINT_OPS(local_ops)
874: DEBUG_PRINT_STR("->\n")
875:
1.370 moko 876: Value *result;
877: {
878: Value& object=construct(*class_value, *constructor_junction->method);
879: VConstructorFrame frame(*constructor_junction->method, method_frame, object);
880: METHOD_FRAME_ACTION(op_call(frame));
881: object.enable_default_setter();
882: result=&frame.result().as_value();
883: // VMethodFrame desctructor deletes junctions in stack params here
884: }
1.355 misha 885:
1.350 misha 886: if(opcode==OP::OP_CONSTRUCT_OBJECT)
1.370 moko 887: stack.push(*result);
1.350 misha 888: else
1.370 moko 889: write_pass_lang(*result);
1.348 misha 890:
891: DEBUG_PRINT_STR("<-returned")
892: break;
893: }
894:
1.55 paf 895: // expression ops: unary
1.322 misha 896: case OP::OP_NEG:
1.55 paf 897: {
1.297 paf 898: Value& a=stack.pop().value();
899: Value& value=*new VDouble(-a.as_double());
900: stack.push(value);
1.55 paf 901: break;
902: }
1.322 misha 903: case OP::OP_INV:
1.55 paf 904: {
1.297 paf 905: Value& a=stack.pop().value();
906: Value& value=*new VDouble(~a.as_int());
907: stack.push(value);
1.55 paf 908: break;
909: }
1.322 misha 910: case OP::OP_NOT:
1.55 paf 911: {
1.297 paf 912: Value& a=stack.pop().value();
1.327 misha 913: Value& value=VBool::get(!a.as_bool());
1.297 paf 914: stack.push(value);
1.55 paf 915: break;
916: }
1.322 misha 917: case OP::OP_DEF:
1.62 paf 918: {
1.297 paf 919: Value& a=stack.pop().value();
1.327 misha 920: Value& value=VBool::get(a.is_defined());
1.297 paf 921: stack.push(value);
1.62 paf 922: break;
923: }
1.322 misha 924: case OP::OP_IN:
1.62 paf 925: {
1.297 paf 926: Value& a=stack.pop().value();
927: const String& path=a.as_string();
1.327 misha 928: Value& value=VBool::get(request_info.uri && *request_info.uri && path.this_starts(request_info.uri));
1.297 paf 929: stack.push(value);
1.62 paf 930: break;
931: }
1.322 misha 932: case OP::OP_FEXISTS:
1.62 paf 933: {
1.297 paf 934: Value& a=stack.pop().value();
1.327 misha 935: Value& value=VBool::get(file_exist(absolute(a.as_string())));
1.297 paf 936: stack.push(value);
1.148 paf 937: break;
938: }
1.322 misha 939: case OP::OP_DEXISTS:
1.148 paf 940: {
1.297 paf 941: Value& a=stack.pop().value();
1.327 misha 942: Value& value=VBool::get(dir_exists(absolute(a.as_string())));
1.297 paf 943: stack.push(value);
1.62 paf 944: break;
945: }
1.55 paf 946:
947: // expression ops: binary
1.322 misha 948: case OP::OP_SUB:
1.53 paf 949: {
1.297 paf 950: Value& b=stack.pop().value(); Value& a=stack.pop().value();
951: Value& value=*new VDouble(a.as_double() - b.as_double());
952: stack.push(value);
1.53 paf 953: break;
954: }
1.322 misha 955: case OP::OP_ADD:
1.53 paf 956: {
1.297 paf 957: Value& b=stack.pop().value(); Value& a=stack.pop().value();
958: Value& value=*new VDouble(a.as_double() + b.as_double());
959: stack.push(value);
1.53 paf 960: break;
961: }
1.322 misha 962: case OP::OP_MUL:
1.49 paf 963: {
1.297 paf 964: Value& b=stack.pop().value(); Value& a=stack.pop().value();
965: Value& value=*new VDouble(a.as_double() * b.as_double());
966: stack.push(value);
1.53 paf 967: break;
968: }
1.322 misha 969: case OP::OP_DIV:
1.53 paf 970: {
1.297 paf 971: Value& b=stack.pop().value(); Value& a=stack.pop().value();
1.170 parser 972:
1.297 paf 973: double a_double=a.as_double();
974: double b_double=b.as_double();
1.170 parser 975:
1.171 parser 976: if(b_double == 0) {
1.297 paf 977: //const String* problem_source=b.as_string();
1.223 paf 978: throw Exception("number.zerodivision",
1.297 paf 979: 0, //problem_source,
1.170 parser 980: "Division by zero");
1.171 parser 981: }
1.170 parser 982:
1.297 paf 983: Value& value=*new VDouble(a_double / b_double);
984: stack.push(value);
1.54 paf 985: break;
986: }
1.322 misha 987: case OP::OP_MOD:
1.55 paf 988: {
1.297 paf 989: Value& b=stack.pop().value(); Value& a=stack.pop().value();
1.170 parser 990:
1.297 paf 991: double a_double=a.as_double();
992: double b_double=b.as_double();
1.170 parser 993:
1.173 parser 994: if(b_double == 0) {
1.297 paf 995: //const String* problem_source=b.as_string();
1.223 paf 996: throw Exception("number.zerodivision",
1.297 paf 997: 0, //problem_source,
1.170 parser 998: "Modulus by zero");
1.171 parser 999: }
1.170 parser 1000:
1.297 paf 1001: Value& value=*new VDouble(fmod(a_double, b_double));
1002: stack.push(value);
1.201 paf 1003: break;
1004: }
1.322 misha 1005: case OP::OP_INTDIV:
1.201 paf 1006: {
1.297 paf 1007: Value& b=stack.pop().value(); Value& a=stack.pop().value();
1.201 paf 1008:
1.297 paf 1009: int a_int=a.as_int();
1010: int b_int=b.as_int();
1.201 paf 1011:
1012: if(b_int == 0) {
1.297 paf 1013: //const String* problem_source=b.as_string();
1.223 paf 1014: throw Exception("number.zerodivision",
1.297 paf 1015: 0, //problem_source,
1.201 paf 1016: "Division by zero");
1017: }
1018:
1.297 paf 1019: Value& value=*new VInt(a_int / b_int);
1020: stack.push(value);
1.55 paf 1021: break;
1022: }
1.322 misha 1023: case OP::OP_BIN_SL:
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_SR:
1.274 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);
1.274 paf 1039: break;
1040: }
1.322 misha 1041: case OP::OP_BIN_AND:
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);
1.54 paf 1048: break;
1049: }
1.322 misha 1050: case OP::OP_BIN_OR:
1.54 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);
1.55 paf 1057: break;
1058: }
1.322 misha 1059: case OP::OP_BIN_XOR:
1.56 paf 1060: {
1.297 paf 1061: Value& b=stack.pop().value(); Value& a=stack.pop().value();
1062: Value& value=*new VInt(
1063: a.as_int() ^
1064: b.as_int());
1065: stack.push(value);
1.56 paf 1066: break;
1067: }
1.322 misha 1068: case OP::OP_LOG_AND:
1.55 paf 1069: {
1.297 paf 1070: ArrayOperation& local_ops=stack.pop().ops(); Value& a=stack.pop().value();
1.263 paf 1071: bool result;
1.297 paf 1072: if(a.as_bool()) {
1073: execute(local_ops);
1074: Value& b=stack.pop().value();
1075: result=b.as_bool();
1.209 paf 1076: } else
1.263 paf 1077: result=false;
1.327 misha 1078: Value& value=VBool::get(result);
1.297 paf 1079: stack.push(value);
1.55 paf 1080: break;
1081: }
1.322 misha 1082: case OP::OP_LOG_OR:
1.55 paf 1083: {
1.297 paf 1084: ArrayOperation& local_ops=stack.pop().ops(); Value& a=stack.pop().value();
1.263 paf 1085: bool result;
1.297 paf 1086: if(a.as_bool())
1.263 paf 1087: result=true;
1.209 paf 1088: else {
1.297 paf 1089: execute(local_ops);
1090: Value& b=stack.pop().value();
1091: result=b.as_bool();
1.209 paf 1092: }
1.327 misha 1093: Value& value=VBool::get(result);
1.297 paf 1094: stack.push(value);
1.56 paf 1095: break;
1096: }
1.322 misha 1097: case OP::OP_LOG_XOR:
1.56 paf 1098: {
1.297 paf 1099: Value& b=stack.pop().value(); Value& a=stack.pop().value();
1.327 misha 1100: Value& value=VBool::get(a.as_bool() ^ b.as_bool());
1.297 paf 1101: stack.push(value);
1.55 paf 1102: break;
1103: }
1.322 misha 1104: case OP::OP_NUM_LT:
1.55 paf 1105: {
1.297 paf 1106: volatile double b_double=stack.pop().value().as_double();
1107: volatile double a_double=stack.pop().value().as_double();
1.327 misha 1108: Value& value=VBool::get(a_double<b_double);
1.297 paf 1109: stack.push(value);
1.55 paf 1110: break;
1111: }
1.322 misha 1112: case OP::OP_NUM_GT:
1.55 paf 1113: {
1.297 paf 1114: volatile double b_double=stack.pop().value().as_double();
1115: volatile double a_double=stack.pop().value().as_double();
1.327 misha 1116: Value& value=VBool::get(a_double>b_double);
1.297 paf 1117: stack.push(value);
1.55 paf 1118: break;
1119: }
1.322 misha 1120: case OP::OP_NUM_LE:
1.55 paf 1121: {
1.297 paf 1122: volatile double b_double=stack.pop().value().as_double();
1123: volatile double a_double=stack.pop().value().as_double();
1.327 misha 1124: Value& value=VBool::get(a_double<=b_double);
1.297 paf 1125: stack.push(value);
1.55 paf 1126: break;
1127: }
1.322 misha 1128: case OP::OP_NUM_GE:
1.55 paf 1129: {
1.297 paf 1130: volatile double b_double=stack.pop().value().as_double();
1131: volatile double a_double=stack.pop().value().as_double();
1.327 misha 1132: Value& value=VBool::get(a_double>=b_double);
1.297 paf 1133: stack.push(value);
1.55 paf 1134: break;
1135: }
1.322 misha 1136: case OP::OP_NUM_EQ:
1.55 paf 1137: {
1.297 paf 1138: volatile double b_double=stack.pop().value().as_double();
1139: volatile double a_double=stack.pop().value().as_double();
1.327 misha 1140: Value& value=VBool::get(a_double==b_double);
1.297 paf 1141: stack.push(value);
1.55 paf 1142: break;
1143: }
1.322 misha 1144: case OP::OP_NUM_NE:
1.55 paf 1145: {
1.297 paf 1146: volatile double b_double=stack.pop().value().as_double();
1147: volatile double a_double=stack.pop().value().as_double();
1.327 misha 1148: Value& value=VBool::get(a_double!=b_double);
1.297 paf 1149: stack.push(value);
1.54 paf 1150: break;
1151: }
1.322 misha 1152: case OP::OP_STR_LT:
1.58 paf 1153: {
1.297 paf 1154: Value& b=stack.pop().value(); Value& a=stack.pop().value();
1.327 misha 1155: Value& value=VBool::get(a.as_string() < b.as_string());
1.297 paf 1156: stack.push(value);
1.58 paf 1157: break;
1158: }
1.322 misha 1159: case OP::OP_STR_GT:
1.58 paf 1160: {
1.297 paf 1161: Value& b=stack.pop().value(); Value& a=stack.pop().value();
1.327 misha 1162: Value& value=VBool::get(a.as_string() > b.as_string());
1.297 paf 1163: stack.push(value);
1.58 paf 1164: break;
1165: }
1.322 misha 1166: case OP::OP_STR_LE:
1.58 paf 1167: {
1.297 paf 1168: Value& b=stack.pop().value(); Value& a=stack.pop().value();
1.327 misha 1169: Value& value=VBool::get(a.as_string() <= b.as_string());
1.297 paf 1170: stack.push(value);
1.58 paf 1171: break;
1172: }
1.322 misha 1173: case OP::OP_STR_GE:
1.54 paf 1174: {
1.297 paf 1175: Value& b=stack.pop().value(); Value& a=stack.pop().value();
1.327 misha 1176: Value& value=VBool::get(a.as_string() >= b.as_string());
1.297 paf 1177: stack.push(value);
1.58 paf 1178: break;
1179: }
1.322 misha 1180: case OP::OP_STR_EQ:
1.58 paf 1181: {
1.297 paf 1182: Value& b=stack.pop().value(); Value& a=stack.pop().value();
1.327 misha 1183: Value& value=VBool::get(a.as_string() == b.as_string());
1.297 paf 1184: stack.push(value);
1.58 paf 1185: break;
1186: }
1.322 misha 1187: case OP::OP_STR_NE:
1.58 paf 1188: {
1.297 paf 1189: Value& b=stack.pop().value(); Value& a=stack.pop().value();
1.327 misha 1190: Value& value=VBool::get(a.as_string() != b.as_string());
1.297 paf 1191: stack.push(value);
1.103 paf 1192: break;
1193: }
1.322 misha 1194: case OP::OP_IS:
1.103 paf 1195: {
1.297 paf 1196: Value& b=stack.pop().value(); Value& a=stack.pop().value();
1.327 misha 1197: Value& value=VBool::get(a.is(b.as_string().cstr()));
1.297 paf 1198: stack.push(value);
1.28 paf 1199: break;
1200: }
1201:
1.11 paf 1202: default:
1.223 paf 1203: throw Exception(0,
1.67 paf 1204: 0,
1.297 paf 1205: "invalid opcode %d", opcode);
1.11 paf 1206: }
1207: }
1.306 paf 1208: } catch(const Exception&) {
1.297 paf 1209: // record it to stack trace
1.301 paf 1210: if(debug_name)
1211: exception_trace.push(Trace(debug_name, debug_origin));
1.297 paf 1212: rethrow;
1213: }
1.1 paf 1214: }
1.17 paf 1215:
1.330 misha 1216: #define SAVE_CONTEXT \
1217: VMethodFrame *saved_method_frame=method_frame; \
1218: Value* saved_rcontext=rcontext; \
1219: WContext *saved_wcontext=wcontext;
1220:
1221: #define RESTORE_CONTEXT \
1222: wcontext=saved_wcontext; \
1223: rcontext=saved_rcontext; \
1224: method_frame=saved_method_frame;
1225:
1.363 moko 1226:
1227: Value& Request::construct(Value &class_value, const Method &method){
1228: VStateless_class& called_class=*class_value.get_class();
1229:
1230: if(method.call_type!=Method::CT_STATIC) {
1231: // this is a constructor call
1232: if(Value* result=called_class.create_new_value(fpool)) {
1.319 misha 1233: // some stateless_class creatable derivates
1.363 moko 1234: return *result;
1235: } else
1.319 misha 1236: throw Exception(PARSER_RUNTIME,
1237: 0, //&frame.name(),
1.363 moko 1238: "is not a constructor, system class '%s' can be constructed only implicitly",
1239: called_class.name().cstr());
1240: } else
1241: throw Exception(PARSER_RUNTIME,
1242: 0, //&frame.name(),
1.319 misha 1243: "method is static and can not be used as constructor");
1.363 moko 1244: }
1.319 misha 1245:
1.363 moko 1246: void Request::op_call(VMethodFrame& frame){
1.319 misha 1247: // see OP_PREPARE_TO_EXPRESSION
1248: frame.set_in_expression(wcontext->get_in_expression());
1249:
1.332 misha 1250: SAVE_CONTEXT
1251:
1.365 moko 1252: rcontext=wcontext=method_frame=&frame;
1.319 misha 1253:
1.363 moko 1254: Value& self=frame.self();
1255: const Method& method=frame.method;
1256: Method::Call_type call_type=self.get_class()==&self ? Method::CT_STATIC : Method::CT_DYNAMIC;
1.319 misha 1257:
1.332 misha 1258: if(method.call_type==Method::CT_ANY || method.call_type==call_type) { // allowed call type?
1259: if(method.native_code) { // native code?
1.363 moko 1260: method.check_actual_numbered_params(self, frame.numbered_params());
1.332 misha 1261: method.native_code(*this, *frame.numbered_params()); // execute it
1262: } else // parser code, execute it
1263: recoursion_checked_execute(*method.parser_code);
1264: } else
1265: throw Exception(PARSER_RUNTIME,
1266: 0,
1267: "is not allowed to be called %s",
1268: call_type==Method::CT_STATIC?"statically":"dynamically");
1.334 misha 1269:
1.330 misha 1270: RESTORE_CONTEXT
1.332 misha 1271: }
1272:
1273: void Request::op_call_write(VMethodFrame& frame){
1274: VMethodFrame *saved_method_frame=method_frame;
1275: Value* saved_rcontext=rcontext;
1.319 misha 1276:
1.332 misha 1277: rcontext=&frame;
1278: method_frame=&frame;
1279:
1.363 moko 1280: Value& self=frame.self();
1281: const Method& method=frame.method;
1282: Method::Call_type call_type=self.get_class()==&self ? Method::CT_STATIC : Method::CT_DYNAMIC;
1.332 misha 1283:
1.333 misha 1284: if(method.call_type==Method::CT_ANY || method.call_type==call_type) { // allowed call type?
1285: if(method.native_code) { // native code?
1.363 moko 1286: method.check_actual_numbered_params(self, frame.numbered_params());
1.333 misha 1287: method.native_code(*this, *frame.numbered_params()); // execute it
1288: } else // parser code, execute it
1289: recoursion_checked_execute(*method.parser_code);
1.332 misha 1290: } else
1291: throw Exception(PARSER_RUNTIME,
1292: 0,
1293: "is not allowed to be called %s",
1294: call_type==Method::CT_STATIC?"statically":"dynamically");
1295:
1296: rcontext=saved_rcontext;
1297: method_frame=saved_method_frame;
1.319 misha 1298: }
1299:
1.330 misha 1300: Value& Request::get_element(Value& ncontext, const String& name) {
1.353 misha 1301: if(wcontext->get_somebody_entered_some_class()) // ^class:method
1302: if(VStateless_class *called_class=ncontext.get_class())
1303: if(VStateless_class *read_class=rcontext->get_class())
1.354 misha 1304: if(read_class->derived_from(*called_class)){ // current derived from called
1305: Value *value=called_class->get_element(get_self(), name);
1306: return *(value ? &process_to_value(*value) : VVoid::get());
1307: }
1.330 misha 1308:
1.354 misha 1309: Value* value=ncontext.get_element(name);
1.291 paf 1310:
1.330 misha 1311: return *(value ? &process_to_value(*value) : VVoid::get());
1.309 paf 1312: }
1313:
1.329 misha 1314: void Request::put_element(Value& ncontext, const String& name, Value* value) {
1.309 paf 1315: // put_element can return property-setting-junction
1.371 moko 1316: if(const VJunction* vjunction=ncontext.put_element(name, value))
1.312 paf 1317: if(vjunction!=PUT_ELEMENT_REPLACED_ELEMENT) {
1.363 moko 1318: const Junction& junction = vjunction->junction();
1.364 moko 1319: VConstructorFrame frame(*junction.method, method_frame /*caller*/, junction.self);
1.329 misha 1320:
1.352 misha 1321: size_t param_count=frame.method_params_count();
1.364 moko 1322:
1323: if(junction.auto_name){
1324: // default setter
1325: if(param_count!=2)
1326: throw Exception(PARSER_RUNTIME,
1327: 0,
1328: "default setter method must have TWO parameters (has %d parameters)", param_count);
1329:
1330: Value* params[2] = { new VString(*junction.auto_name), value };
1331: frame.store_params(params, 2);
1332:
1333: Temp_disable_default_setter temp(junction.self);
1.365 moko 1334: execute_method(frame);
1.364 moko 1335: } else {
1336: // setter
1337: if(param_count!=1)
1338: throw Exception(PARSER_RUNTIME,
1339: 0,
1340: "setter method must have ONE parameter (has %d parameters)", param_count);
1341:
1342: frame.store_params(&value, 1);
1.365 moko 1343: execute_method(frame);
1.364 moko 1344: }
1345: }
1346: }
1347:
1348: StringOrValue Request::process_getter(Junction& junction) {
1349: VMethodFrame frame(*junction.method, method_frame/*caller*/, junction.self);
1350: size_t param_count=frame.method_params_count();
1351:
1352: if(junction.auto_name){
1353: // default getter
1354: Value *param;
1355:
1356: if(param_count){
1357: if(param_count>1)
1.316 misha 1358: throw Exception(PARSER_RUNTIME,
1.309 paf 1359: 0,
1.364 moko 1360: "default getter method can't have more then 1 parameter (has %d parameters)", param_count);
1361: param=new VString(*junction.auto_name);
1362: frame.store_params(¶m, 1);
1363: } // no need for else frame.empty_params()
1364:
1365: Temp_disable_default_getter temp(junction.self);
1.365 moko 1366: execute_method(frame);
1.364 moko 1367: } else {
1368: // getter
1369: if(param_count!=0)
1370: throw Exception(PARSER_RUNTIME,
1371: 0,
1372: "getter method must have no parameters (has %d parameters)", param_count);
1373:
1374: // no need for frame.empty_params()
1.365 moko 1375: execute_method(frame);
1.364 moko 1376: }
1.309 paf 1377:
1.364 moko 1378: return frame.result();
1.34 paf 1379: }
1.70 paf 1380:
1.162 parser 1381: /** @param intercept_string
1.116 paf 1382: - true:
1383: they want result=string value,
1384: possible object result goes to wcontext
1385: - false:
1386: they want any result[string|object]
1387: nothing goes to wcontext.
1.125 paf 1388: used in @c (expression) params evaluation
1.224 paf 1389:
1.334 misha 1390: using the fact it's either string_ or value_ result requested to speed up checkes
1.116 paf 1391: */
1.364 moko 1392:
1.229 paf 1393: StringOrValue Request::process(Value& input_value, bool intercept_string) {
1.297 paf 1394: Junction* junction=input_value.get_junction();
1.307 paf 1395: if(junction) {
1396: if(junction->is_getter) { // is it a getter-junction?
1.364 moko 1397: return process_getter(*junction);
1.307 paf 1398: }
1399:
1400: if(junction->code) { // is it a code-junction?
1401: // process it
1402: StringOrValue result;
1.336 misha 1403:
1404: DEBUG_PRINT_STR("ja->\n")
1.238 paf 1405:
1.307 paf 1406: if(!junction->method_frame)
1.316 misha 1407: throw Exception(PARSER_RUNTIME,
1.352 misha 1408: 0,
1409: "junction used outside of context");
1.240 paf 1410:
1.330 misha 1411: SAVE_CONTEXT
1.307 paf 1412:
1413: method_frame=junction->method_frame;
1414: rcontext=junction->rcontext;
1415:
1416: // for expression method params
1417: // wcontext is set 0
1418: // using the fact in decision "which wwrapper to use"
1419: bool using_code_frame=intercept_string && junction->wcontext;
1420: if(using_code_frame) {
1.318 misha 1421: // almost plain wwrapper about junction wcontext
1422:
1423: VCodeFrame local(*junction->wcontext);
1.307 paf 1424: wcontext=&local;
1425:
1426: // execute it
1427: recoursion_checked_execute(*junction->code);
1428:
1429: // CodeFrame soul:
1.318 misha 1430: result=wcontext->result();
1.307 paf 1431: } else {
1432: // plain wwrapper
1.351 misha 1433: WWrapper local(wcontext);
1.307 paf 1434: wcontext=&local;
1435:
1436: // execute it
1437: recoursion_checked_execute(*junction->code);
1438:
1439: result=wcontext->result();
1440: }
1441:
1.330 misha 1442: RESTORE_CONTEXT
1.207 paf 1443:
1.336 misha 1444: DEBUG_PRINT_STR("<-ja returned")
1445:
1.307 paf 1446: return result;
1447: }
1448:
1449: // it is then method-junction, do not explode it
1450: // just return it as we do for usual objects
1451: }
1452:
1453: return input_value;
1.85 paf 1454: }
1455:
1.332 misha 1456: void Request::process_write(Value& input_value) {
1457: Junction* junction=input_value.get_junction();
1458: if(junction) {
1459: if(junction->is_getter) { // is it a getter-junction?
1.364 moko 1460: write_pass_lang(process_getter(*junction));
1.332 misha 1461: return;
1462: }
1463:
1464: if(junction->code) { // is it a code-junction?
1465: // process it
1.336 misha 1466:
1467: DEBUG_PRINT_STR("ja->\n")
1468:
1.332 misha 1469: if(!junction->method_frame)
1470: throw Exception(PARSER_RUNTIME,
1471: 0,
1472: "junction used outside of context");
1473:
1474: SAVE_CONTEXT
1475:
1476: method_frame=junction->method_frame;
1477: rcontext=junction->rcontext;
1478:
1479: // for expression method params
1480: // wcontext is set 0
1481: // using the fact in decision "which wwrapper to use"
1482: #ifdef OPTIMIZE_CALL
1483: if(wcontext==junction->wcontext){
1484: // no wrappers for wcontext
1485: recoursion_checked_execute(*junction->code);
1486: RESTORE_CONTEXT
1487:
1488: } else
1489: #endif
1490: if(junction->wcontext) {
1491: // almost plain wwrapper about junction wcontext
1492: VCodeFrame local(*junction->wcontext);
1493: wcontext=&local;
1494:
1495: // execute it
1496: recoursion_checked_execute(*junction->code);
1497: RESTORE_CONTEXT
1498: write_pass_lang(local.result());
1499: } else {
1500: // plain wwrapper
1.351 misha 1501: WWrapper local(wcontext);
1.332 misha 1502: wcontext=&local;
1503:
1504: // execute it
1505: recoursion_checked_execute(*junction->code);
1506: RESTORE_CONTEXT
1507: write_pass_lang(local.result());
1508: }
1.336 misha 1509:
1510: DEBUG_PRINT_STR("<-ja returned")
1511:
1.332 misha 1512: return;
1513: }
1514:
1515: // it is then method-junction, do not explode it
1516: // just return it as we do for usual objects
1517: }
1518:
1519: write_pass_lang(input_value);
1520: }
1521:
1.365 moko 1522: void Request::execute_method(VMethodFrame& aframe) {
1.330 misha 1523: SAVE_CONTEXT
1.99 paf 1524:
1525: // initialize contexts
1.365 moko 1526: rcontext=wcontext=method_frame=&aframe;
1.99 paf 1527:
1528: // execute!
1.365 moko 1529: recoursion_checked_execute(*aframe.method.parser_code);
1.208 paf 1530:
1.330 misha 1531: RESTORE_CONTEXT
1.208 paf 1532: }
1533:
1.297 paf 1534: const String* Request::execute_method(Value& aself,
1.329 misha 1535: const Method& method, Value* optional_param,
1536: bool do_return_string) {
1.317 misha 1537:
1.363 moko 1538: VMethodFrame local_frame(method, method_frame/*caller*/, aself);
1.365 moko 1539:
1.329 misha 1540: if(optional_param && local_frame.method_params_count()>0) {
1541: local_frame.store_params(&optional_param, 1);
1.330 misha 1542: } else {
1543: local_frame.empty_params();
1.242 paf 1544: }
1.246 paf 1545:
1546: // prevent non-string writes for better error reporting
1.297 paf 1547: if(do_return_string)
1.357 misha 1548: local_frame.write(local_frame);
1.208 paf 1549:
1.365 moko 1550: execute_method(local_frame);
1.99 paf 1551:
1.365 moko 1552: return do_return_string ? local_frame.get_string() : 0;
1.242 paf 1553: }
1554:
1.297 paf 1555: Request::Execute_nonvirtual_method_result
1556: Request::execute_nonvirtual_method(VStateless_class& aclass,
1.330 misha 1557: const String& method_name,
1558: VString* optional_param,
1559: bool do_return_string) {
1.297 paf 1560: Execute_nonvirtual_method_result result;
1561: result.method=aclass.get_method(method_name);
1562: if(result.method)
1.317 misha 1563: result.string=execute_method(aclass, *result.method, optional_param, do_return_string);
1.297 paf 1564: return result;
1.99 paf 1565: }
1566:
1.297 paf 1567: const String* Request::execute_virtual_method(Value& aself,
1.330 misha 1568: const String& method_name) {
1.354 misha 1569: if(Value* value=aself.get_element(method_name))
1.297 paf 1570: if(Junction* junction=value->get_junction())
1571: if(const Method *method=junction->method)
1572: return execute_method(aself, *method, 0/*no params*/, true);
1.188 parser 1573:
1.176 parser 1574: return 0;
1575: }
1.362 misha 1576:
1577: const String* Request::get_method_filename(const Method* method){
1578: if(ArrayOperation* code=method->parser_code)
1579: if(code){
1580: Operation::Origin origin={0, 0, 0};
1581: Array_iterator<Operation> i(*code);
1582: while( i.has_next() ){
1583: switch( i.next().code ){
1584: case OP::OP_CURLY_CODE__STORE_PARAM:
1585: case OP::OP_EXPR_CODE__STORE_PARAM:
1586: case OP::OP_CURLY_CODE__CONSTRUCT:
1587: case OP::OP_NESTED_CODE:
1588: case OP::OP_OBJECT_POOL:
1589: case OP::OP_STRING_POOL:
1590: case OP::OP_CALL:
1591: case OP::OP_CALL__WRITE:
1592: {
1593: i.next(); // skip local ops
1594: i.next(); // skip next opcode
1595: // continue execution
1596: }
1597: case OP::OP_CONSTRUCT_OBJECT:
1598: case OP::OP_CONSTRUCT_OBJECT__WRITE:
1599: case OP::OP_VALUE:
1600: case OP::OP_STRING__WRITE:
1601: case OP::OP_VALUE__GET_CLASS:
1602: #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_ELEMENT
1603: case OP::OP_GET_OBJECT_ELEMENT:
1604: case OP::OP_GET_OBJECT_ELEMENT__WRITE:
1605: #endif
1606: #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_VAR_ELEMENT
1607: case OP::OP_GET_OBJECT_VAR_ELEMENT:
1608: case OP::OP_GET_OBJECT_VAR_ELEMENT__WRITE:
1609: #endif
1610: #ifdef OPTIMIZE_BYTECODE_GET_ELEMENT
1611: case OP::OP_VALUE__GET_ELEMENT:
1612: case OP::OP_VALUE__GET_ELEMENT__WRITE:
1613: case OP::OP_VALUE__GET_ELEMENT_OR_OPERATOR:
1614: case OP::OP_WITH_ROOT__VALUE__GET_ELEMENT:
1615: #endif
1616: #ifdef OPTIMIZE_BYTECODE_GET_SELF_ELEMENT
1617: case OP::OP_WITH_SELF__VALUE__GET_ELEMENT:
1618: case OP::OP_WITH_SELF__VALUE__GET_ELEMENT__WRITE:
1619: #endif
1620: #ifdef OPTIMIZE_BYTECODE_CONSTRUCT
1621: case OP::OP_WITH_ROOT__VALUE__CONSTRUCT_EXPR:
1622: case OP::OP_WITH_ROOT__VALUE__CONSTRUCT_VALUE:
1623: case OP::OP_WITH_WRITE__VALUE__CONSTRUCT_EXPR:
1624: case OP::OP_WITH_WRITE__VALUE__CONSTRUCT_VALUE:
1625: case OP::OP_WITH_SELF__VALUE__CONSTRUCT_EXPR:
1626: case OP::OP_WITH_SELF__VALUE__CONSTRUCT_VALUE:
1627: #endif
1628: {
1629: origin=i.next().origin;
1630: break;
1631: }
1.373 ! moko 1632: default: break;
1.362 misha 1633: }
1634: if(origin.file_no)
1635: return get_used_filename(origin.file_no);
1636: }
1637: }
1638: return 0;
1639: }
1640: