Annotation of parser3/src/classes/reflection.C, revision 1.82
1.1 misha 1: /** @file
2: Parser: @b reflection parser class.
3:
1.38 moko 4: Copyright (c) 2001-2015 Art. Lebedev Studio (http://www.artlebedev.com)
1.1 misha 5: Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
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:
1.82 ! moko 13: volatile const char * IDENT_REFLECTION_C="$Id: reflection.C,v 1.81 2017/01/26 22:57:46 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)
69: throw Exception(PARSER_RUNTIME, 0, "agruments should not be specified as hash and as create params");
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:
1.73 moko 91: VStateless_class* vclass=r.get_class(*class_name);
1.48 moko 92: if(!vclass)
1.73 moko 93: throw Exception(PARSER_RUNTIME, class_name, "class is undefined");
1.1 misha 94:
1.73 moko 95: const Method* method=vclass->get_method(*constructor_name);
96: if(!method)
97: throw Exception(PARSER_RUNTIME, constructor_name, "constructor not found in class '%s'", vclass->type());
1.1 misha 98:
1.72 moko 99: Value &object = r.construct(*vclass, *method);
1.2 misha 100:
1.73 moko 101: int nparams=params_hash ? params_hash->count() : (params.count()-params_offset);
102: if(nparams>MAX_CREATE_PARAMS)
103: throw Exception(PARSER_RUNTIME, 0, "arguments count should not exceed %d", MAX_CREATE_PARAMS);
1.1 misha 104:
1.74 moko 105: Value* args[MAX_CREATE_PARAMS];
1.65 moko 106: CONSTRUCTOR_FRAME_ACTION(*method, r.get_method_frame(), object, {
107: if(nparams>0){
1.73 moko 108: if(params_hash){
1.74 moko 109: int i=0;
110: for(HashStringValue::Iterator h(*params_hash); h; h.next())
111: args[i++]=h.value();
1.73 moko 112: } else {
113: for(int i=0; i<nparams; i++)
1.74 moko 114: args[i]=&r.process(params[i+params_offset]);
1.73 moko 115: }
1.74 moko 116: frame.store_params((Value**)&args, nparams);
1.65 moko 117: } else {
118: frame.empty_params();
119: }
120: r.call(frame);
121: object.enable_default_setter();
122: r.write(frame.result());
123: });
1.1 misha 124: }
125:
1.2 misha 126:
1.3 misha 127: static void _classes(Request& r, MethodParams&) {
128: VHash& result=*new VHash;
1.47 moko 129: for(HashString<VStateless_class*>::Iterator i(r.classes()); i; i.next()){
130: result.hash().put(i.key(), i.value()->get_methods().count()>0 ? new VString(class_type_methoded) : VVoid::get() );
131: }
1.64 moko 132: r.write(result);
1.3 misha 133: }
134:
135:
1.53 moko 136: static Value& get_class(Value& value){
137: if(VStateless_class* result=value.get_class())
138: return *result;
139: else {
140: // we can't return code junction to outside as it's stack value
141: if(Junction *j=value.get_junction())
142: if(j->code)
143: throw Exception(PARSER_RUNTIME, 0, "param must not be code junction");
144: // method junction
1.3 misha 145: return value;
1.53 moko 146: }
1.3 misha 147: }
148:
1.53 moko 149: static const String& get_class_name(Value& value){
150: return *new String(get_class(value).type());
1.3 misha 151: }
152:
153:
1.1 misha 154: static void _class(Request& r, MethodParams& params) {
1.64 moko 155: r.write(get_class(params[0]));
1.1 misha 156: }
157:
1.2 misha 158:
1.1 misha 159: static void _class_name(Request& r, MethodParams& params) {
1.64 moko 160: r.write(get_class_name(params[0]));
1.1 misha 161: }
162:
1.34 moko 163: static void _class_by_name(Request& r, MethodParams& params) {
164: const String& class_name=params.as_string(0, "class_name must be string");
165: Value* class_value=r.get_class(class_name);
166: if(!class_value)
167: throw Exception(PARSER_RUNTIME, &class_name, "class is undefined");
1.64 moko 168: r.write(*class_value);
1.34 moko 169: }
1.1 misha 170:
1.2 misha 171: static void _base(Request& r, MethodParams& params) {
1.49 moko 172: if(VStateless_class* vclass=params[0].get_class())
173: if(Value* base=vclass->base()){
1.64 moko 174: r.write(get_class(*base));
1.3 misha 175: return;
176: }
177:
178: // classes with fields only, like env & console or without base
1.52 moko 179: r.write_value(*VVoid::get());
1.2 misha 180: }
1.1 misha 181:
182:
1.2 misha 183: static void _base_name(Request& r, MethodParams& params) {
1.49 moko 184: if(VStateless_class* vclass=params[0].get_class())
185: if(Value* base=vclass->base())
1.64 moko 186: r.write(get_class_name(*base));
1.2 misha 187: }
1.1 misha 188:
1.30 misha 189: static void _def(Request& r, MethodParams& params) {
190: const String& type=params.as_string(0, "type must be string");
191: if(type == def_class) {
192: const String& name=params.as_string(1, "name must be string");
1.47 moko 193: // can't use get_class because it will call @autouse[] if the class wasn't loaded
1.64 moko 194: r.write(VBool::get(r.classes().get(name)!=0));
1.30 misha 195: } else {
1.31 misha 196: throw Exception(PARSER_RUNTIME, &type, "is invalid type, must be '%s'", def_class.cstr());
1.30 misha 197: }
198: }
199:
1.1 misha 200: static void _methods(Request& r, MethodParams& params) {
201: const String& class_name=params.as_string(0, "class_name must be string");
1.49 moko 202: VStateless_class* vclass=r.get_class(class_name);
203: if(!vclass)
204: throw Exception(PARSER_RUNTIME, &class_name, "class is undefined");
1.1 misha 205:
206: VHash& result=*new VHash;
1.49 moko 207: for(HashStringMethod::Iterator i(vclass->get_methods()); i; i.next()){
208: result.hash().put(i.key(), new VString(i.value()->native_code ? method_type_native : method_type_parser));
1.1 misha 209: }
1.49 moko 210:
1.64 moko 211: r.write(result);
1.1 misha 212: }
213:
1.57 moko 214: static VJunction &method_junction(Value &self, Method &method){
1.50 moko 215: if(method.native_code)
1.57 moko 216: throw Exception(PARSER_RUNTIME, method.name, "method must not be native");
1.50 moko 217:
1.51 moko 218: if(!(dynamic_cast<VObject*>(&self) || dynamic_cast<VClass*>(&self)))
219: throw Exception(PARSER_RUNTIME, 0, "self must be parser object or class");
1.50 moko 220:
221: return *method.get_vjunction(self);
222: }
223:
1.28 misha 224: static void _method(Request& r, MethodParams& params) {
1.62 moko 225: Value &source=params[0];
1.50 moko 226:
227: if(Junction *j=source.get_junction()){
228: if(Method* method=const_cast<Method*>(j->method)){
229: 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 230: r.write(method_junction(self, *method));
1.50 moko 231: return;
232: }
1.51 moko 233: throw Exception(PARSER_RUNTIME, 0, "param must be method junction");
1.50 moko 234: }
235:
236: if(params.count()==1)
1.51 moko 237: throw Exception(PARSER_RUNTIME, 0, "method name must be specified");
1.50 moko 238:
1.28 misha 239: const String& name=params.as_string(1, "method name must be string");
240:
1.50 moko 241: if(VStateless_class* vclass=source.get_class()) {
242: if(Method* method=vclass->get_method(name)){
1.64 moko 243: 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 244: return;
245: }
1.28 misha 246: }
1.52 moko 247: r.write_value(*VVoid::get());
1.28 misha 248: }
249:
1.13 misha 250: static void _fields(Request& r, MethodParams& params) {
1.28 misha 251: Value& o=params.as_no_junction(0, "param must be object or class, not junction");
252:
1.44 moko 253: if(HashStringValue* fields=o.get_fields())
1.64 moko 254: r.write(*new VHash(*fields));
1.44 moko 255: else
1.64 moko 256: r.write(*new VHash());
1.13 misha 257: }
1.2 misha 258:
1.44 moko 259: static void _fields_reference(Request& r, MethodParams& params) {
1.46 moko 260: Value& o=params.as_no_junction(0, "param must be object or hash, not junction");
1.44 moko 261:
1.45 moko 262: if(HashStringValue* fields=o.get_fields_reference())
1.64 moko 263: r.write(*new VHashReference(*fields));
1.44 moko 264: else
1.46 moko 265: throw Exception(PARSER_RUNTIME, 0, "param must be object or hash");
1.44 moko 266: }
267:
1.28 misha 268: static void _field(Request& r, MethodParams& params) {
269: Value& o=params.as_no_junction(0, "first param must be object or class, not junction");
270: const String& name=params.as_string(1, "field name must be string");
271:
272: if(HashStringValue* fields=o.get_fields())
273: if(Value* value=fields->get(name))
1.64 moko 274: r.write(*value);
1.28 misha 275: }
276:
1.8 misha 277: static void _method_info(Request& r, MethodParams& params) {
1.59 moko 278: const Method* method;
1.66 moko 279:
280: VHash& result=*new VHash;
281: HashStringValue* hash=result.get_hash();
1.2 misha 282:
1.62 moko 283: if(Junction *j=params[0].get_junction()){
1.59 moko 284: if(!(method=j->method))
285: throw Exception(PARSER_RUNTIME, 0, "param must be class name or method junction");
1.66 moko 286:
287: hash->put(method_name, new VString(*method->name));
1.71 moko 288: hash->put(method_class_name, new VString(*new String(j->self.type())));
289:
1.59 moko 290: } else {
291: const String& class_name=params.as_string(0, "param must be class name or method junction");
1.66 moko 292: VStateless_class* vclass=r.get_class(class_name);
293:
294: if(!vclass)
1.59 moko 295: throw Exception(PARSER_RUNTIME, &class_name, "class is undefined");
296:
297: if(params.count()==1)
298: throw Exception(PARSER_RUNTIME, 0, "method name must be specified");
299:
300: const String& method_name=params.as_string(1, "method name must be string");
301: if(!(method=vclass->get_method(method_name)))
302: throw Exception(PARSER_RUNTIME, &method_name, "method not found in class '%s'", vclass->type());
1.2 misha 303:
1.66 moko 304: Method* base_method;
305: if(vclass && vclass->base() && (base_method=vclass->base()->get_method(*method->name))){
306: VStateless_class* c=vclass->base()->get_class();
307: while(c->base() && base_method==c->base()->get_method(*method->name))
308: c=c->base()->get_class();
309: hash->put((base_method==method) ? method_inherited : method_overridden, new VString(*new String(c->type())));
310: }
1.23 misha 311: }
1.8 misha 312:
1.29 misha 313: Value* call_type=0;
314: switch(method->call_type){
315: case Method::CT_DYNAMIC:
1.42 moko 316: call_type=new VString(Symbols::DYNAMIC_SYMBOL);
1.29 misha 317: break;
318: case Method::CT_STATIC:
1.42 moko 319: call_type=new VString(Symbols::STATIC_SYMBOL);
1.29 misha 320: break;
1.32 moko 321: case Method::CT_ANY:
322: break;
1.29 misha 323: }
324: if(call_type)
325: hash->put(method_call_type, call_type);
326:
1.2 misha 327: if(method->native_code){
328: // native code
329: hash->put(method_min_params, new VInt(method->min_numbered_params_count));
330: hash->put(method_max_params, new VInt(method->max_numbered_params_count));
331: } else {
332: // parser code
1.68 moko 333: const String* filespec = r.get_method_filespec(method);
1.16 misha 334: if( filespec )
335: hash->put("file", new VString(*filespec));
1.29 misha 336:
337: hash->put(method_max_params, new VInt(method->params_names ? method->params_names->count() : 0));
338:
1.2 misha 339: if(method->params_names)
340: for(size_t i=0; i<method->params_names->count(); i++)
341: hash->put(String::Body::Format(i), new VString(*method->params_names->get(i)));
1.29 misha 342:
343: if(method->extra_params)
344: hash->put(method_extra_param, new VString(*method->extra_params));
1.2 misha 345: }
346:
1.64 moko 347: r.write(result);
1.2 misha 348: }
349:
1.67 moko 350: static void _filename(Request& r, MethodParams& params) {
1.68 moko 351: if(Junction *j=params[0].get_junction()){
352: if(const Method* method=j->method){
353: if(!method->native_code)
354: if(const String* filespec = r.get_method_filespec(method))
355: r.write(*new VString(*filespec));
356: return;
357: }
358: throw Exception(PARSER_RUNTIME, 0, "param must be object, class or method junction");
359: }
1.67 moko 360:
1.68 moko 361: if(VClass* vclass = dynamic_cast<VClass*>(params[0].get_class())){
362: r.write(*new VString(vclass->get_filespec()));
1.67 moko 363: }
364: }
365:
1.9 misha 366: static void _dynamical(Request& r, MethodParams& params) {
367: if(params.count()){
1.64 moko 368: r.write(VBool::get(params[0].get_class() != ¶ms[0]));
1.9 misha 369: } else {
370: VMethodFrame* caller=r.get_method_frame()->caller();
1.64 moko 371: r.write(VBool::get(caller && caller->get_class() != &caller->self()));
1.9 misha 372: }
373: }
374:
1.35 moko 375: static void _is(Request& r, MethodParams& params) {
1.39 moko 376: const String& name=params.as_string(0, "element name must be string");
377: const String& type=params.as_string(1, "class name must be string");
378: Value *context=params.count()==3 ? &(params.as_no_junction(2, "context must not be code")) : r.get_method_frame()->caller();
1.37 moko 379: Value *value=context ? context->get_element(name) : 0;
1.35 moko 380:
381: if(value) {
382: if(type == "code" || type == "method") {
383: Junction *junction=value->get_junction();
1.64 moko 384: r.write(VBool::get(junction && ((junction->code==0) ^ (type == "code"))) );
1.35 moko 385: } else {
1.64 moko 386: r.write(VBool::get( value->is(type.cstr()) ));
1.35 moko 387: }
388: } else
1.64 moko 389: r.write(VBool::get(type == "void"));
1.35 moko 390: }
391:
1.19 moko 392: static void _copy(Request& r, MethodParams& params) {
393: HashStringValue* src=params.as_no_junction(0, "source must not be code").get_hash();
394:
1.44 moko 395: if(src==NULL)
1.19 moko 396: throw Exception(PARSER_RUNTIME, 0, "source must have hash representation");
397:
398: Value& dst=params.as_no_junction(1, "destination must not be code");
399:
400: for(HashStringValue::Iterator i(*src); i; i.next())
1.20 moko 401: r.put_element(dst, *new String(i.key(), String::L_TAINTED), i.value());
1.19 moko 402: }
403:
1.25 moko 404: static void _uid(Request& r, MethodParams& params) {
405: Value& obj=params.as_no_junction(0, "object must not be code");
406:
407: char local_buf[MAX_NUMBER];
408: int size=snprintf(local_buf, sizeof(local_buf), "%p", &obj);
409:
1.64 moko 410: r.write(*new String(String::C(pa_strdup(local_buf, (size_t)size), size)));
1.25 moko 411: }
412:
1.27 moko 413: static void _delete(Request&, MethodParams& params) {
1.58 moko 414: Value* v=¶ms.as_no_junction(0, "param must be object or class, not junction");
1.26 misha 415: const String& key=params.as_string(1, "field name must be string");
1.58 moko 416:
417: if(VObject* o=dynamic_cast<VObject*>(v)){
418: o->get_fields()->remove(key);
419: } else if(VClass* c=dynamic_cast<VClass*>(v)){
420: HashStringProperty &p=*c->get_properties();
421: if(Property* property=p.get(key))
422: if(property->value)
423: p.remove(key);
1.26 misha 424: }
425: }
426:
1.55 moko 427: static void _mixin(Request& r, MethodParams& params) {
428: Value& vsource=params.as_no_junction(0, "source must not be code");
429:
430: Value* vtarget=0;
431: const String *name=0;
432: bool copy_methods=true;
433: bool copy_fields=true;
1.60 moko 434: bool overwrite=false;
1.55 moko 435:
436: if(params.count()>1)
437: if(HashStringValue* options=params.as_hash(1, "mixin options")) {
438: int valid_options=0;
1.80 moko 439: for(HashStringValue::Iterator i(*options); i; i.next() ){
440: String::Body key=i.key();
441: Value* value=i.value();
442: if(key == "to") {
443: vtarget=value;
444: valid_options++;
445: } else if(key == "name") {
446: name=&value->as_string();
447: valid_options++;
448: } else if(key == "methods") {
449: copy_methods=r.process(*value).as_bool();
450: valid_options++;
451: } else if(key == "fields") {
452: copy_fields=r.process(*value).as_bool();
453: valid_options++;
454: } else if(key == "overwrite") {
455: overwrite=r.process(*value).as_bool();
456: valid_options++;
457: }
1.55 moko 458: }
459: if(valid_options!=options->count())
460: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
461: }
462:
463: if(!vtarget)
464: vtarget=&r.get_method_frame()->caller()->self();
465:
466: VClass* source=dynamic_cast<VClass*>(vsource.get_class());
467: VClass* target=dynamic_cast<VClass*>(vtarget->get_class());
468:
469: if(!source)
470: throw Exception(PARSER_RUNTIME, 0, "source must be parser object or class");
471: if(!target)
472: throw Exception(PARSER_RUNTIME, 0, "destination must be parser object or class");
473:
474: if(name){
475: if(copy_methods)
476: if(Method* method=source->get_method(*name))
477: if(overwrite || !target->get_method(*name)){
1.59 moko 478: target->set_method(*name, new Method(*method));
1.55 moko 479: }
480:
481: if(copy_fields)
482: if(Property* property=source->get_properties()->get(*name))
483: if(property->value && (overwrite || !target->get_properties()->get(*name))){
484: target->put_element(*target, *name, property->value);
485: }
486:
487: } else {
488: if(copy_methods)
489: for(HashStringMethod::Iterator i(source->get_methods()); i; i.next()){
490: if(overwrite || !target->get_method(i.key()))
1.59 moko 491: target->set_method(*i.value()->name, new Method(*i.value()));
1.55 moko 492: }
493: if(copy_fields)
494: for(HashStringProperty::Iterator i(*source->get_properties()); i; i.next()){
495: if(i.value()->value && ( overwrite || !target->get_properties()->get(i.key()) ))
496: target->put_element(*target, *new String(i.key(), String::L_TAINTED), i.value()->value);
497: }
498: }
499: }
500:
1.76 moko 501: String::Language get_untaint_lang(const String& lang_name); // op.C
502:
503: static void _tainting(Request& r, MethodParams& params) {
1.78 moko 504: const String& str=params.as_string(params.count()-1, "param must be string");
1.76 moko 505: String::Language lang = String::L_UNSPECIFIED;
506: bool optimized=false;
507:
508: if(params.count()==2){
1.78 moko 509: const String& slang=params.as_string(0, "language name must be string");
1.76 moko 510: if(slang == "optimized")
511: optimized=true;
512: else if(slang == "tainted")
513: lang=String::L_TAINTED;
514: else lang=get_untaint_lang(slang);
515: }
516:
517: if(!str.is_empty()){
518: char *visual=str.visualize_langs();
519:
520: if(optimized){
521: for(char *c=visual; *c; c++)
522: *c = *c<0 ? '+':'-';
523: } else if(lang != String::L_UNSPECIFIED){
524: for(char *c=visual; *c; c++)
525: *c = *c==lang ? '+':'-';
526: } else {
527: for(char *c=visual; *c; c++)
528: *c = *c & 0x7F;
529: }
530:
531: r.write(*new String(visual));
532: }
533: }
1.26 misha 534:
1.81 moko 535: static void _stack(Request& r, MethodParams& params) {
536: bool show_args=false;
537: bool show_locals=false;
538:
539: int limit=1000000;
540: int offset=0;
541:
542: if(params.count()>0)
543: if(HashStringValue* options=params.as_hash(0, "stack options")) {
544: int valid_options=0;
545: for(HashStringValue::Iterator i(*options); i; i.next() ){
546: String::Body key=i.key();
547: Value* value=i.value();
548:
549: if(key == "args") {
550: show_args=r.process(*value).as_bool();
551: valid_options++;
1.82 ! moko 552: } else if(key == "locals") {
1.81 moko 553: show_locals=r.process(*value).as_bool();
554: valid_options++;
1.82 ! moko 555: } else if(key == "limit") {
1.81 moko 556: limit=r.process(*value).as_int();
557: valid_options++;
1.82 ! moko 558: } else if(key == "offset") {
1.81 moko 559: offset=r.process(*value).as_int();
560: valid_options++;
561: }
562: }
563:
564: if(valid_options!=options->count())
565: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
566: }
567:
568: limit+=offset;
569:
570: VHash& vresult=*new VHash;
571: HashStringValue* result=vresult.get_hash();
572: int index=1;
573: VMethodFrame* caller=r.get_method_frame()->caller();
574: while(caller && index <= limit){
575: if(index>offset){
576: VHash& vcurrent=*new VHash;
577: HashStringValue* current=vcurrent.get_hash();
578:
579: current->put(Symbols::SELF_SYMBOL, &caller->self());
580:
581: const Method& method=caller->method;
582:
583: current->put(method_name, new VString(*method.name));
584:
585: if(!method.native_code){
586: Operation::Origin origin=r.get_method_origin(&method);
587: if(origin.file_no){
588: current->put("file", new VString(*r.get_used_filespec(origin.file_no)));
589: current->put("line", new VInt(origin.line)); // no +1 as declaration before first command
590: }
591:
592: if(show_args || show_locals){
593:
594: VHash& vargs=*new VHash;
595: HashStringValue* args=vargs.get_hash();
596:
597: if(method.params_names){
598: for(size_t i=0; i<method.params_names->count(); i++){
599: const String& pname=*(*method.params_names)[i];
600: Value* value=caller->get_element(pname);
601: args->put(pname, value->get_junction() ? VVoid::get() : value);
602: }
603: }
604: if(method.extra_params)
605: args->put(*method.extra_params, caller->get_element(*method.extra_params));
606:
607: if(show_args)
608: current->put("args", &vargs);
609:
610: if(show_locals){
611: VHash& vlocals=*new VHash;
612: HashStringValue* locals=vlocals.get_hash();
613:
614: if(VParserMethodFrame* frame=dynamic_cast<VParserMethodFrame*>(caller))
615: for(HashString<Value*>::Iterator h(frame->my); h; h.next()){
616: String::Body key=h.key();
617: Value* value=h.value();
618: if(!args->contains(key) && (key != "result")){
619: locals->put(key, value->get_junction() ? VVoid::get() : value);
620: }
621: }
622:
623: current->put("locals", &vlocals);
624: }
625: }
626: }
627:
628: result->put(format(index, 0), &vcurrent);
629: }
630: caller=caller->caller();
631: index++;
632: }
633:
634: r.write(vresult);
635: }
636:
1.1 misha 637: // constructor
638: MReflection::MReflection(): Methoded("reflection") {
1.2 misha 639: // ^reflection:create[class_name;constructor_name[;param1[;param2[;...]]]]
1.73 moko 640: // ^reflection:create[ $.class[name] $.constructor[name] $.arguments[ $.1[param1] $.2[param2] ...] ]
641: add_native_method("create", Method::CT_STATIC, _create, 1, MAX_CREATE_PARAMS + 2);
1.1 misha 642:
1.3 misha 643: // ^reflection:classes[]
644: add_native_method("classes", Method::CT_STATIC, _classes, 0, 0);
645:
1.1 misha 646: // ^reflection:class[object]
647: add_native_method("class", Method::CT_STATIC, _class, 1, 1);
648:
649: // ^reflection:class_name[object]
650: add_native_method("class_name", Method::CT_STATIC, _class_name, 1, 1);
651:
1.34 moko 652: // ^reflection:class_by_name[class_name]
653: add_native_method("class_by_name", Method::CT_STATIC, _class_by_name, 1, 1);
654:
1.2 misha 655: // ^reflection:base_class[object]
656: add_native_method("base", Method::CT_STATIC, _base, 1, 1);
657:
658: // ^reflection:base_class_name[object]
659: add_native_method("base_name", Method::CT_STATIC, _base_name, 1, 1);
660:
1.30 misha 661: // ^reflection:def[class|...;name]
662: add_native_method("def", Method::CT_STATIC, _def, 2, 2);
663:
1.2 misha 664: // ^reflection:methods[class_name]
1.1 misha 665: add_native_method("methods", Method::CT_STATIC, _methods, 1, 1);
1.2 misha 666:
1.54 moko 667: // ^reflection:method[object or class;method_name[;self]]
668: // ^reflection:method[junction[;self]]
1.50 moko 669: add_native_method("method", Method::CT_STATIC, _method, 1, 3);
1.28 misha 670:
671: // ^reflection:method_info[class_name;method_name]
1.59 moko 672: // ^reflection:method_info[junction]
673: add_native_method("method_info", Method::CT_STATIC, _method_info, 1, 2);
1.28 misha 674:
1.79 moko 675: // ^reflection:filename[object or class or method]
1.67 moko 676: add_native_method("filename", Method::CT_STATIC, _filename, 1, 1);
677:
1.13 misha 678: // ^reflection:fields[object or class]
679: add_native_method("fields", Method::CT_STATIC, _fields, 1, 1);
680:
1.44 moko 681: // ^reflection:fields_reference[object]
682: add_native_method("fields_reference", Method::CT_STATIC, _fields_reference, 1, 1);
683:
1.28 misha 684: // ^reflection:field[object or class;field_name]
685: add_native_method("field", Method::CT_STATIC, _field, 2, 2);
1.9 misha 686:
687: // ^reflection:dynamical[[object or class, caller if absent]]
688: add_native_method("dynamical", Method::CT_STATIC, _dynamical, 0, 1);
1.19 moko 689:
1.39 moko 690: // ^reflection:is[element_name;class_name|code|method[;context]]
1.35 moko 691: add_native_method("is", Method::CT_STATIC, _is, 2, 3);
692:
1.19 moko 693: // ^reflection:copy[src;dst]
694: add_native_method("copy", Method::CT_STATIC, _copy, 2, 2);
1.25 moko 695:
696: // ^reflection:uid[object or class]
697: add_native_method("uid", Method::CT_STATIC, _uid, 1, 1);
1.26 misha 698:
699: // ^reflection:delete[object or class;field_name]
700: add_native_method("delete", Method::CT_STATIC, _delete, 2, 2);
1.54 moko 701:
702: // ^reflection:mixin[object or class or junction;options]
1.55 moko 703: add_native_method("mixin", Method::CT_STATIC, _mixin, 1, 2);
1.54 moko 704:
1.78 moko 705: // ^reflection:tainting[[language or 'tainted' or 'optimized';]string]
1.76 moko 706: add_native_method("tainting", Method::CT_STATIC, _tainting, 1, 2);
707:
1.81 moko 708: // ^reflection:stack[options]
709: add_native_method("stack", Method::CT_STATIC, _stack, 0, 1);
710:
1.1 misha 711: }
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