Annotation of parser3/src/classes/reflection.C, revision 1.90
1.1 misha 1: /** @file
2: Parser: @b reflection parser class.
3:
1.89 moko 4: Copyright (c) 2001-2023 Art. Lebedev Studio (http://www.artlebedev.com)
5: Authors: Konstantin Morshnev <moko@design.ru>, Alexandr Petrosian <paf@design.ru>
1.1 misha 6: */
7:
8: #include "pa_vmethod_frame.h"
9: #include "pa_request.h"
10: #include "pa_vbool.h"
1.50 moko 11: #include "pa_vobject.h"
1.1 misha 12:
1.90 ! moko 13: volatile const char * IDENT_REFLECTION_C="$Id: reflection.C,v 1.89 2023/09/26 20:49:06 moko Exp $";
1.24 moko 14:
1.3 misha 15: static const String class_type_methoded("methoded");
1.2 misha 16:
1.3 misha 17: static const String method_type_native("native");
18: static const String method_type_parser("parser");
1.2 misha 19:
1.59 moko 20: static const String method_name("name");
1.71 moko 21: static const String method_class_name("class");
1.5 misha 22: static const String method_call_type("call_type");
1.8 misha 23: static const String method_inherited("inherited");
1.23 misha 24: static const String method_overridden("overridden");
1.2 misha 25:
1.3 misha 26: static const String method_min_params("min_params");
27: static const String method_max_params("max_params");
1.29 misha 28: static const String method_extra_param("extra_param");
1.2 misha 29:
1.30 misha 30: static const String def_class("class");
31:
1.1 misha 32: // class
33:
34: class MReflection: public Methoded {
35: public:
36: MReflection();
37: };
38:
39: // global variable
40:
1.40 moko 41: DECLARE_CLASS_VAR(reflection, new MReflection);
1.1 misha 42:
43: // methods
44:
1.73 moko 45: const int MAX_CREATE_PARAMS = 100;
1.2 misha 46:
47: static void _create(Request& r, MethodParams& params) {
1.73 moko 48: int params_offset;
49: HashStringValue* params_hash=0;
50:
51: const String* class_name=0;
52: const String* constructor_name=0;
53:
1.75 moko 54: Value& voptions=params.as_no_junction(0, "param must not be code");
1.73 moko 55: if(HashStringValue* options=voptions.get_hash()) {
56: int valid_options=0;
57: if(Value* vclass_name=options->get("class")) {
58: valid_options++;
59: class_name=&vclass_name->as_string();
60: }
61: if(Value* vconstructor_name=options->get("constructor")) {
62: valid_options++;
63: constructor_name=&vconstructor_name->as_string();
64: }
65: if(Value* vparams_hash=options->get("arguments")) {
66: valid_options++;
67: params_hash=vparams_hash->as_hash("arguments");
68: if(params.count()>1)
1.86 moko 69: throw Exception(PARSER_RUNTIME, 0, "arguments should not be specified as hash and as create params");
1.73 moko 70: }
71: if(valid_options!=options->count())
72: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
73:
74: if(!class_name)
75: throw Exception(PARSER_RUNTIME, 0, "class name must be specified");
76: if(!constructor_name)
77: throw Exception(PARSER_RUNTIME, 0, "constructor name must be specified");
78:
79: params_offset=1;
80: } else {
1.75 moko 81: class_name=¶ms.as_string(0, "param must not be code");
1.73 moko 82:
83: if(params.count()==1)
84: throw Exception(PARSER_RUNTIME, 0, "constructor name must be specified");
85:
86: constructor_name=¶ms.as_string(1, "constructor name must be string");
87:
88: params_offset=2;
89: }
1.1 misha 90:
1.88 moko 91: VStateless_class& vclass=r.get_class_ref(*class_name);
1.1 misha 92:
1.88 moko 93: const Method* method=vclass.get_method(*constructor_name);
1.73 moko 94: if(!method)
1.88 moko 95: throw Exception(PARSER_RUNTIME, constructor_name, "constructor not found in class '%s'", vclass.type());
1.1 misha 96:
1.88 moko 97: Value &object = r.construct(vclass, *method);
1.2 misha 98:
1.73 moko 99: int nparams=params_hash ? params_hash->count() : (params.count()-params_offset);
100: if(nparams>MAX_CREATE_PARAMS)
101: throw Exception(PARSER_RUNTIME, 0, "arguments count should not exceed %d", MAX_CREATE_PARAMS);
1.1 misha 102:
1.74 moko 103: Value* args[MAX_CREATE_PARAMS];
1.65 moko 104: CONSTRUCTOR_FRAME_ACTION(*method, r.get_method_frame(), object, {
105: if(nparams>0){
1.73 moko 106: if(params_hash){
1.74 moko 107: int i=0;
108: for(HashStringValue::Iterator h(*params_hash); h; h.next())
109: args[i++]=h.value();
1.73 moko 110: } else {
111: for(int i=0; i<nparams; i++)
1.74 moko 112: args[i]=&r.process(params[i+params_offset]);
1.73 moko 113: }
1.74 moko 114: frame.store_params((Value**)&args, nparams);
1.65 moko 115: } else {
116: frame.empty_params();
117: }
118: r.call(frame);
119: object.enable_default_setter();
120: r.write(frame.result());
121: });
1.1 misha 122: }
123:
1.2 misha 124:
1.3 misha 125: static void _classes(Request& r, MethodParams&) {
126: VHash& result=*new VHash;
1.47 moko 127: for(HashString<VStateless_class*>::Iterator i(r.classes()); i; i.next()){
128: result.hash().put(i.key(), i.value()->get_methods().count()>0 ? new VString(class_type_methoded) : VVoid::get() );
129: }
1.64 moko 130: r.write(result);
1.3 misha 131: }
132:
133:
1.53 moko 134: static Value& get_class(Value& value){
135: if(VStateless_class* result=value.get_class())
136: return *result;
137: else {
138: // we can't return code junction to outside as it's stack value
139: if(Junction *j=value.get_junction())
140: if(j->code)
141: throw Exception(PARSER_RUNTIME, 0, "param must not be code junction");
142: // method junction
1.3 misha 143: return value;
1.53 moko 144: }
1.3 misha 145: }
146:
1.53 moko 147: static const String& get_class_name(Value& value){
148: return *new String(get_class(value).type());
1.3 misha 149: }
150:
151:
1.1 misha 152: static void _class(Request& r, MethodParams& params) {
1.64 moko 153: r.write(get_class(params[0]));
1.1 misha 154: }
155:
1.2 misha 156:
1.1 misha 157: static void _class_name(Request& r, MethodParams& params) {
1.64 moko 158: r.write(get_class_name(params[0]));
1.1 misha 159: }
160:
1.34 moko 161: static void _class_by_name(Request& r, MethodParams& params) {
162: const String& class_name=params.as_string(0, "class_name must be string");
1.88 moko 163: r.write(r.get_class_ref(class_name));
1.34 moko 164: }
1.1 misha 165:
1.2 misha 166: static void _base(Request& r, MethodParams& params) {
1.49 moko 167: if(VStateless_class* vclass=params[0].get_class())
168: if(Value* base=vclass->base()){
1.64 moko 169: r.write(get_class(*base));
1.3 misha 170: return;
171: }
172:
173: // classes with fields only, like env & console or without base
1.52 moko 174: r.write_value(*VVoid::get());
1.2 misha 175: }
1.1 misha 176:
177:
1.2 misha 178: static void _base_name(Request& r, MethodParams& params) {
1.49 moko 179: if(VStateless_class* vclass=params[0].get_class())
180: if(Value* base=vclass->base())
1.64 moko 181: r.write(get_class_name(*base));
1.2 misha 182: }
1.1 misha 183:
1.30 misha 184: static void _def(Request& r, MethodParams& params) {
185: const String& type=params.as_string(0, "type must be string");
186: if(type == def_class) {
187: const String& name=params.as_string(1, "name must be string");
1.47 moko 188: // can't use get_class because it will call @autouse[] if the class wasn't loaded
1.64 moko 189: r.write(VBool::get(r.classes().get(name)!=0));
1.30 misha 190: } else {
1.31 misha 191: throw Exception(PARSER_RUNTIME, &type, "is invalid type, must be '%s'", def_class.cstr());
1.30 misha 192: }
193: }
194:
1.1 misha 195: static void _methods(Request& r, MethodParams& params) {
196: const String& class_name=params.as_string(0, "class_name must be string");
1.88 moko 197: VStateless_class& vclass=r.get_class_ref(class_name);
1.1 misha 198:
1.84 moko 199: bool reverse=true;
200:
201: if(params.count()>1)
202: if(HashStringValue* options=params.as_hash(1, "methods options")) {
203: int valid_options=0;
204: for(HashStringValue::Iterator i(*options); i; i.next() ){
205: String::Body key=i.key();
206: Value* value=i.value();
207: if(key == "reverse") {
208: reverse=r.process(*value).as_bool();
209: valid_options++;
210: }
211: }
212: if(valid_options!=options->count())
213: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
214: }
215:
1.1 misha 216: VHash& result=*new VHash;
1.84 moko 217:
1.85 moko 218: #ifdef HASH_ORDER
1.84 moko 219: if(reverse){
1.88 moko 220: for(HashStringMethod::ReverseIterator i(vclass.get_methods()); i; i.prev()){
1.84 moko 221: result.hash().put(i.key(), new VString(i.value()->native_code ? method_type_native : method_type_parser));
222: }
223: } else {
1.85 moko 224: #else
225: {
226: #endif
1.88 moko 227: for(HashStringMethod::Iterator i(vclass.get_methods()); i; i.next()){
1.84 moko 228: result.hash().put(i.key(), new VString(i.value()->native_code ? method_type_native : method_type_parser));
229: }
1.1 misha 230: }
1.49 moko 231:
1.64 moko 232: r.write(result);
1.1 misha 233: }
234:
1.57 moko 235: static VJunction &method_junction(Value &self, Method &method){
1.50 moko 236: if(method.native_code)
1.57 moko 237: throw Exception(PARSER_RUNTIME, method.name, "method must not be native");
1.50 moko 238:
1.51 moko 239: if(!(dynamic_cast<VObject*>(&self) || dynamic_cast<VClass*>(&self)))
240: throw Exception(PARSER_RUNTIME, 0, "self must be parser object or class");
1.50 moko 241:
242: return *method.get_vjunction(self);
243: }
244:
1.28 misha 245: static void _method(Request& r, MethodParams& params) {
1.62 moko 246: Value &source=params[0];
1.50 moko 247:
248: if(Junction *j=source.get_junction()){
249: if(Method* method=const_cast<Method*>(j->method)){
250: Value& self=params.count()>1 ? params.as_no_junction(1, "self must be object, not junction") : r.get_method_frame()->caller()->self();
1.64 moko 251: r.write(method_junction(self, *method));
1.50 moko 252: return;
253: }
1.51 moko 254: throw Exception(PARSER_RUNTIME, 0, "param must be method junction");
1.50 moko 255: }
256:
257: if(params.count()==1)
1.51 moko 258: throw Exception(PARSER_RUNTIME, 0, "method name must be specified");
1.50 moko 259:
1.28 misha 260: const String& name=params.as_string(1, "method name must be string");
261:
1.50 moko 262: if(VStateless_class* vclass=source.get_class()) {
263: if(Method* method=vclass->get_method(name)){
1.64 moko 264: r.write( params.count()>2 ? method_junction(params.as_no_junction(2, "self must be object, not junction"), *method) : *method->get_vjunction(source) );
1.50 moko 265: return;
266: }
1.28 misha 267: }
1.52 moko 268: r.write_value(*VVoid::get());
1.28 misha 269: }
270:
1.13 misha 271: static void _fields(Request& r, MethodParams& params) {
1.28 misha 272: Value& o=params.as_no_junction(0, "param must be object or class, not junction");
273:
1.44 moko 274: if(HashStringValue* fields=o.get_fields())
1.64 moko 275: r.write(*new VHash(*fields));
1.44 moko 276: else
1.64 moko 277: r.write(*new VHash());
1.13 misha 278: }
1.2 misha 279:
1.44 moko 280: static void _fields_reference(Request& r, MethodParams& params) {
1.46 moko 281: Value& o=params.as_no_junction(0, "param must be object or hash, not junction");
1.44 moko 282:
1.45 moko 283: if(HashStringValue* fields=o.get_fields_reference())
1.64 moko 284: r.write(*new VHashReference(*fields));
1.44 moko 285: else
1.46 moko 286: throw Exception(PARSER_RUNTIME, 0, "param must be object or hash");
1.44 moko 287: }
288:
1.28 misha 289: static void _field(Request& r, MethodParams& params) {
290: Value& o=params.as_no_junction(0, "first param must be object or class, not junction");
291: const String& name=params.as_string(1, "field name must be string");
292:
293: if(HashStringValue* fields=o.get_fields())
294: if(Value* value=fields->get(name))
1.64 moko 295: r.write(*value);
1.28 misha 296: }
297:
1.8 misha 298: static void _method_info(Request& r, MethodParams& params) {
1.59 moko 299: const Method* method;
1.66 moko 300:
301: VHash& result=*new VHash;
302: HashStringValue* hash=result.get_hash();
1.2 misha 303:
1.62 moko 304: if(Junction *j=params[0].get_junction()){
1.59 moko 305: if(!(method=j->method))
306: throw Exception(PARSER_RUNTIME, 0, "param must be class name or method junction");
1.66 moko 307:
308: hash->put(method_name, new VString(*method->name));
1.71 moko 309: hash->put(method_class_name, new VString(*new String(j->self.type())));
310:
1.59 moko 311: } else {
312: const String& class_name=params.as_string(0, "param must be class name or method junction");
1.88 moko 313: VStateless_class& vclass=r.get_class_ref(class_name);
1.59 moko 314:
315: if(params.count()==1)
316: throw Exception(PARSER_RUNTIME, 0, "method name must be specified");
317:
318: const String& method_name=params.as_string(1, "method name must be string");
1.88 moko 319: if(!(method=vclass.get_method(method_name)))
320: throw Exception(PARSER_RUNTIME, &method_name, "method not found in class '%s'", vclass.type());
1.2 misha 321:
1.66 moko 322: Method* base_method;
1.88 moko 323: if(vclass.base() && (base_method=vclass.base()->get_method(*method->name))){
324: VStateless_class* c=vclass.base()->get_class();
1.66 moko 325: while(c->base() && base_method==c->base()->get_method(*method->name))
326: c=c->base()->get_class();
327: hash->put((base_method==method) ? method_inherited : method_overridden, new VString(*new String(c->type())));
328: }
1.23 misha 329: }
1.8 misha 330:
1.29 misha 331: Value* call_type=0;
332: switch(method->call_type){
333: case Method::CT_DYNAMIC:
1.42 moko 334: call_type=new VString(Symbols::DYNAMIC_SYMBOL);
1.29 misha 335: break;
336: case Method::CT_STATIC:
1.42 moko 337: call_type=new VString(Symbols::STATIC_SYMBOL);
1.29 misha 338: break;
1.32 moko 339: case Method::CT_ANY:
340: break;
1.29 misha 341: }
342: if(call_type)
343: hash->put(method_call_type, call_type);
344:
1.2 misha 345: if(method->native_code){
346: // native code
347: hash->put(method_min_params, new VInt(method->min_numbered_params_count));
348: hash->put(method_max_params, new VInt(method->max_numbered_params_count));
349: } else {
350: // parser code
1.68 moko 351: const String* filespec = r.get_method_filespec(method);
1.16 misha 352: if( filespec )
353: hash->put("file", new VString(*filespec));
1.29 misha 354:
355: hash->put(method_max_params, new VInt(method->params_names ? method->params_names->count() : 0));
356:
1.2 misha 357: if(method->params_names)
358: for(size_t i=0; i<method->params_names->count(); i++)
1.90 ! moko 359: hash->put(pa_uitoa(i), new VString(*method->params_names->get(i)));
1.29 misha 360:
361: if(method->extra_params)
362: hash->put(method_extra_param, new VString(*method->extra_params));
1.2 misha 363: }
364:
1.64 moko 365: r.write(result);
1.2 misha 366: }
367:
1.67 moko 368: static void _filename(Request& r, MethodParams& params) {
1.68 moko 369: if(Junction *j=params[0].get_junction()){
370: if(const Method* method=j->method){
371: if(!method->native_code)
372: if(const String* filespec = r.get_method_filespec(method))
373: r.write(*new VString(*filespec));
374: return;
375: }
376: throw Exception(PARSER_RUNTIME, 0, "param must be object, class or method junction");
377: }
1.67 moko 378:
1.68 moko 379: if(VClass* vclass = dynamic_cast<VClass*>(params[0].get_class())){
380: r.write(*new VString(vclass->get_filespec()));
1.67 moko 381: }
382: }
383:
1.9 misha 384: static void _dynamical(Request& r, MethodParams& params) {
385: if(params.count()){
1.64 moko 386: r.write(VBool::get(params[0].get_class() != ¶ms[0]));
1.9 misha 387: } else {
388: VMethodFrame* caller=r.get_method_frame()->caller();
1.64 moko 389: r.write(VBool::get(caller && caller->get_class() != &caller->self()));
1.9 misha 390: }
391: }
392:
1.35 moko 393: static void _is(Request& r, MethodParams& params) {
1.39 moko 394: const String& name=params.as_string(0, "element name must be string");
395: const String& type=params.as_string(1, "class name must be string");
396: Value *context=params.count()==3 ? &(params.as_no_junction(2, "context must not be code")) : r.get_method_frame()->caller();
1.37 moko 397: Value *value=context ? context->get_element(name) : 0;
1.35 moko 398:
399: if(value) {
400: if(type == "code" || type == "method") {
401: Junction *junction=value->get_junction();
1.64 moko 402: r.write(VBool::get(junction && ((junction->code==0) ^ (type == "code"))) );
1.35 moko 403: } else {
1.64 moko 404: r.write(VBool::get( value->is(type.cstr()) ));
1.35 moko 405: }
406: } else
1.64 moko 407: r.write(VBool::get(type == "void"));
1.35 moko 408: }
409:
1.19 moko 410: static void _copy(Request& r, MethodParams& params) {
411: HashStringValue* src=params.as_no_junction(0, "source must not be code").get_hash();
412:
1.44 moko 413: if(src==NULL)
1.19 moko 414: throw Exception(PARSER_RUNTIME, 0, "source must have hash representation");
415:
416: Value& dst=params.as_no_junction(1, "destination must not be code");
417:
418: for(HashStringValue::Iterator i(*src); i; i.next())
1.20 moko 419: r.put_element(dst, *new String(i.key(), String::L_TAINTED), i.value());
1.19 moko 420: }
421:
1.25 moko 422: static void _uid(Request& r, MethodParams& params) {
423: Value& obj=params.as_no_junction(0, "object must not be code");
424:
425: char local_buf[MAX_NUMBER];
426: int size=snprintf(local_buf, sizeof(local_buf), "%p", &obj);
427:
1.64 moko 428: r.write(*new String(String::C(pa_strdup(local_buf, (size_t)size), size)));
1.25 moko 429: }
430:
1.27 moko 431: static void _delete(Request&, MethodParams& params) {
1.58 moko 432: Value* v=¶ms.as_no_junction(0, "param must be object or class, not junction");
1.26 misha 433: const String& key=params.as_string(1, "field name must be string");
1.58 moko 434:
435: if(VObject* o=dynamic_cast<VObject*>(v)){
436: o->get_fields()->remove(key);
437: } else if(VClass* c=dynamic_cast<VClass*>(v)){
438: HashStringProperty &p=*c->get_properties();
439: if(Property* property=p.get(key))
440: if(property->value)
441: p.remove(key);
1.26 misha 442: }
443: }
444:
1.55 moko 445: static void _mixin(Request& r, MethodParams& params) {
446: Value& vsource=params.as_no_junction(0, "source must not be code");
447:
448: Value* vtarget=0;
449: const String *name=0;
450: bool copy_methods=true;
451: bool copy_fields=true;
1.60 moko 452: bool overwrite=false;
1.55 moko 453:
454: if(params.count()>1)
455: if(HashStringValue* options=params.as_hash(1, "mixin options")) {
456: int valid_options=0;
1.80 moko 457: for(HashStringValue::Iterator i(*options); i; i.next() ){
458: String::Body key=i.key();
459: Value* value=i.value();
460: if(key == "to") {
461: vtarget=value;
462: valid_options++;
463: } else if(key == "name") {
464: name=&value->as_string();
465: valid_options++;
466: } else if(key == "methods") {
467: copy_methods=r.process(*value).as_bool();
468: valid_options++;
469: } else if(key == "fields") {
470: copy_fields=r.process(*value).as_bool();
471: valid_options++;
472: } else if(key == "overwrite") {
473: overwrite=r.process(*value).as_bool();
474: valid_options++;
475: }
1.55 moko 476: }
477: if(valid_options!=options->count())
478: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
479: }
480:
481: if(!vtarget)
482: vtarget=&r.get_method_frame()->caller()->self();
483:
484: VClass* source=dynamic_cast<VClass*>(vsource.get_class());
485: VClass* target=dynamic_cast<VClass*>(vtarget->get_class());
486:
487: if(!source)
488: throw Exception(PARSER_RUNTIME, 0, "source must be parser object or class");
489: if(!target)
490: throw Exception(PARSER_RUNTIME, 0, "destination must be parser object or class");
491:
492: if(name){
493: if(copy_methods)
494: if(Method* method=source->get_method(*name))
495: if(overwrite || !target->get_method(*name)){
1.59 moko 496: target->set_method(*name, new Method(*method));
1.55 moko 497: }
498:
499: if(copy_fields)
500: if(Property* property=source->get_properties()->get(*name))
501: if(property->value && (overwrite || !target->get_properties()->get(*name))){
502: target->put_element(*target, *name, property->value);
503: }
504:
505: } else {
506: if(copy_methods)
507: for(HashStringMethod::Iterator i(source->get_methods()); i; i.next()){
508: if(overwrite || !target->get_method(i.key()))
1.59 moko 509: target->set_method(*i.value()->name, new Method(*i.value()));
1.55 moko 510: }
511: if(copy_fields)
512: for(HashStringProperty::Iterator i(*source->get_properties()); i; i.next()){
513: if(i.value()->value && ( overwrite || !target->get_properties()->get(i.key()) ))
514: target->put_element(*target, *new String(i.key(), String::L_TAINTED), i.value()->value);
515: }
516: }
517: }
518:
1.76 moko 519: String::Language get_untaint_lang(const String& lang_name); // op.C
520:
521: static void _tainting(Request& r, MethodParams& params) {
1.78 moko 522: const String& str=params.as_string(params.count()-1, "param must be string");
1.76 moko 523: String::Language lang = String::L_UNSPECIFIED;
524: bool optimized=false;
525:
526: if(params.count()==2){
1.78 moko 527: const String& slang=params.as_string(0, "language name must be string");
1.76 moko 528: if(slang == "optimized")
529: optimized=true;
530: else if(slang == "tainted")
531: lang=String::L_TAINTED;
532: else lang=get_untaint_lang(slang);
533: }
534:
535: if(!str.is_empty()){
536: char *visual=str.visualize_langs();
537:
538: if(optimized){
539: for(char *c=visual; *c; c++)
540: *c = *c<0 ? '+':'-';
541: } else if(lang != String::L_UNSPECIFIED){
542: for(char *c=visual; *c; c++)
543: *c = *c==lang ? '+':'-';
544: } else {
545: for(char *c=visual; *c; c++)
546: *c = *c & 0x7F;
547: }
548:
549: r.write(*new String(visual));
550: }
551: }
1.26 misha 552:
1.81 moko 553: static void _stack(Request& r, MethodParams& params) {
554: bool show_args=false;
555: bool show_locals=false;
556:
557: int limit=1000000;
558: int offset=0;
559:
560: if(params.count()>0)
561: if(HashStringValue* options=params.as_hash(0, "stack options")) {
562: int valid_options=0;
563: for(HashStringValue::Iterator i(*options); i; i.next() ){
564: String::Body key=i.key();
565: Value* value=i.value();
566:
567: if(key == "args") {
568: show_args=r.process(*value).as_bool();
569: valid_options++;
1.82 moko 570: } else if(key == "locals") {
1.81 moko 571: show_locals=r.process(*value).as_bool();
572: valid_options++;
1.82 moko 573: } else if(key == "limit") {
1.81 moko 574: limit=r.process(*value).as_int();
575: valid_options++;
1.82 moko 576: } else if(key == "offset") {
1.81 moko 577: offset=r.process(*value).as_int();
578: valid_options++;
579: }
580: }
581:
582: if(valid_options!=options->count())
583: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
584: }
585:
586: limit+=offset;
587:
588: VHash& vresult=*new VHash;
589: HashStringValue* result=vresult.get_hash();
590: int index=1;
591: VMethodFrame* caller=r.get_method_frame()->caller();
592: while(caller && index <= limit){
593: if(index>offset){
594: VHash& vcurrent=*new VHash;
595: HashStringValue* current=vcurrent.get_hash();
596:
597: current->put(Symbols::SELF_SYMBOL, &caller->self());
598:
599: const Method& method=caller->method;
600:
601: current->put(method_name, new VString(*method.name));
602:
603: if(!method.native_code){
604: Operation::Origin origin=r.get_method_origin(&method);
605: if(origin.file_no){
606: current->put("file", new VString(*r.get_used_filespec(origin.file_no)));
607: current->put("line", new VInt(origin.line)); // no +1 as declaration before first command
608: }
609:
610: if(show_args || show_locals){
611:
612: VHash& vargs=*new VHash;
613: HashStringValue* args=vargs.get_hash();
614:
615: if(method.params_names){
616: for(size_t i=0; i<method.params_names->count(); i++){
617: const String& pname=*(*method.params_names)[i];
618: Value* value=caller->get_element(pname);
619: args->put(pname, value->get_junction() ? VVoid::get() : value);
620: }
621: }
622: if(method.extra_params)
623: args->put(*method.extra_params, caller->get_element(*method.extra_params));
624:
625: if(show_args)
626: current->put("args", &vargs);
627:
628: if(show_locals){
629: VHash& vlocals=*new VHash;
630: HashStringValue* locals=vlocals.get_hash();
631:
632: if(VParserMethodFrame* frame=dynamic_cast<VParserMethodFrame*>(caller))
633: for(HashString<Value*>::Iterator h(frame->my); h; h.next()){
634: String::Body key=h.key();
635: Value* value=h.value();
636: if(!args->contains(key) && (key != "result")){
637: locals->put(key, value->get_junction() ? VVoid::get() : value);
638: }
639: }
640:
641: current->put("locals", &vlocals);
642: }
643: }
644: }
645:
646: result->put(format(index, 0), &vcurrent);
647: }
648: caller=caller->caller();
649: index++;
650: }
651:
652: r.write(vresult);
653: }
654:
1.1 misha 655: // constructor
656: MReflection::MReflection(): Methoded("reflection") {
1.2 misha 657: // ^reflection:create[class_name;constructor_name[;param1[;param2[;...]]]]
1.73 moko 658: // ^reflection:create[ $.class[name] $.constructor[name] $.arguments[ $.1[param1] $.2[param2] ...] ]
659: add_native_method("create", Method::CT_STATIC, _create, 1, MAX_CREATE_PARAMS + 2);
1.1 misha 660:
1.3 misha 661: // ^reflection:classes[]
662: add_native_method("classes", Method::CT_STATIC, _classes, 0, 0);
663:
1.1 misha 664: // ^reflection:class[object]
665: add_native_method("class", Method::CT_STATIC, _class, 1, 1);
666:
667: // ^reflection:class_name[object]
668: add_native_method("class_name", Method::CT_STATIC, _class_name, 1, 1);
669:
1.34 moko 670: // ^reflection:class_by_name[class_name]
671: add_native_method("class_by_name", Method::CT_STATIC, _class_by_name, 1, 1);
672:
1.2 misha 673: // ^reflection:base_class[object]
674: add_native_method("base", Method::CT_STATIC, _base, 1, 1);
675:
676: // ^reflection:base_class_name[object]
677: add_native_method("base_name", Method::CT_STATIC, _base_name, 1, 1);
678:
1.30 misha 679: // ^reflection:def[class|...;name]
680: add_native_method("def", Method::CT_STATIC, _def, 2, 2);
681:
1.2 misha 682: // ^reflection:methods[class_name]
1.84 moko 683: add_native_method("methods", Method::CT_STATIC, _methods, 1, 2);
1.2 misha 684:
1.54 moko 685: // ^reflection:method[object or class;method_name[;self]]
686: // ^reflection:method[junction[;self]]
1.50 moko 687: add_native_method("method", Method::CT_STATIC, _method, 1, 3);
1.28 misha 688:
689: // ^reflection:method_info[class_name;method_name]
1.59 moko 690: // ^reflection:method_info[junction]
691: add_native_method("method_info", Method::CT_STATIC, _method_info, 1, 2);
1.28 misha 692:
1.79 moko 693: // ^reflection:filename[object or class or method]
1.67 moko 694: add_native_method("filename", Method::CT_STATIC, _filename, 1, 1);
695:
1.13 misha 696: // ^reflection:fields[object or class]
697: add_native_method("fields", Method::CT_STATIC, _fields, 1, 1);
698:
1.44 moko 699: // ^reflection:fields_reference[object]
700: add_native_method("fields_reference", Method::CT_STATIC, _fields_reference, 1, 1);
701:
1.28 misha 702: // ^reflection:field[object or class;field_name]
703: add_native_method("field", Method::CT_STATIC, _field, 2, 2);
1.9 misha 704:
705: // ^reflection:dynamical[[object or class, caller if absent]]
706: add_native_method("dynamical", Method::CT_STATIC, _dynamical, 0, 1);
1.19 moko 707:
1.39 moko 708: // ^reflection:is[element_name;class_name|code|method[;context]]
1.35 moko 709: add_native_method("is", Method::CT_STATIC, _is, 2, 3);
710:
1.19 moko 711: // ^reflection:copy[src;dst]
712: add_native_method("copy", Method::CT_STATIC, _copy, 2, 2);
1.25 moko 713:
714: // ^reflection:uid[object or class]
715: add_native_method("uid", Method::CT_STATIC, _uid, 1, 1);
1.26 misha 716:
717: // ^reflection:delete[object or class;field_name]
718: add_native_method("delete", Method::CT_STATIC, _delete, 2, 2);
1.54 moko 719:
720: // ^reflection:mixin[object or class or junction;options]
1.55 moko 721: add_native_method("mixin", Method::CT_STATIC, _mixin, 1, 2);
1.54 moko 722:
1.78 moko 723: // ^reflection:tainting[[language or 'tainted' or 'optimized';]string]
1.76 moko 724: add_native_method("tainting", Method::CT_STATIC, _tainting, 1, 2);
725:
1.81 moko 726: // ^reflection:stack[options]
727: add_native_method("stack", Method::CT_STATIC, _stack, 0, 1);
728:
1.1 misha 729: }
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