--- parser3/src/main/Attic/core.C 2001/02/24 14:20:51 1.34 +++ parser3/src/main/Attic/core.C 2001/03/08 17:59:29 1.45.4.1 @@ -1,5 +1,5 @@ /* -$Id: core.C,v 1.34 2001/02/24 14:20:51 paf Exp $ +$Id: core.C,v 1.45.4.1 2001/03/08 17:59:29 paf Exp $ */ #include "pa_request.h" @@ -8,17 +8,43 @@ $Id: core.C,v 1.34 2001/02/24 14:20:51 p #include "pa_vclass.h" #include +#include "classes/_string.h" void core() { Pool pool; + initialize_string_class(pool); Request request(pool); request.core(); } +Request::Request(Pool& apool) : Pooled(apool), + stack(apool), + root_class(apool), + fclasses(apool), + fclasses_array(apool) +{ + // construct_root_class + void construct_root_class(Request& request); // classes/root + construct_root_class(*this); + + // TODO: construct other classes, + // для встроенных какая-то табличка + // для внешних - конфиг с @CLASSES файлы с классами/ворохами операторов + + // adding root superclass, + // parent of all classes, + // operators holder + String ROOT(pool()); ROOT.APPEND_CONST(ROOT_NAME); + classes().put(ROOT, &root_class); +} + void Request::core() { TRY { - String name_RUN(pool()); name_RUN.APPEND_CONST("RUN"); - char *result=execute_MAIN(construct_class(name_RUN, load_and_compile_RUN())); + char *file="Y:\\parser3\\src\\test.p"; + String RUN(pool()); RUN.APPEND_CONST(RUN_NAME); + use(file, &RUN); + + char *result=execute_MAIN(); printf("result-----------------\n%sEOF----------------\n", result); } CATCH(e) { @@ -45,56 +71,51 @@ void Request::core() { END_CATCH } -Array& Request::load_and_compile_RUN() { - char *file="Y:\\parser3\\src\\test.p"; +void Request::use(char *file, String *name) { + // TODO: обнаружить|решить cyclic dependences char *source=file_read(pool(), file); - Array& compiled_methods=COMPILE(source, file); - return compiled_methods; -} + if(!source) + THROW(0,0, + 0, + "use: can not read '%s' file", file); -VClass *Request::construct_class(String& name, Array& compiled_methods) { - // create new 'name' vclass, add it to request's classes - Array immediate_parents(pool()); - // TODO: immediate_parents=@PARENTS - - VClass *result=NEW VClass(pool(), immediate_parents); - result->set_name(name); - classes().put(name, result); - - for(int i=0; i(compiled_methods.quick_get(i)); - result->add_method(method.name, method); - } + COMPILE(source, name, file); + // TODO: запустить @STATIC[], если есть - return result; +// if(alias) + //classes().put(*alias, &vclass); } -char *Request::execute_MAIN(VClass *class_RUN) { - // initialize contexts - self=root=rcontext=class_RUN; - wcontext=NEW WWrapper(pool(), class_RUN); - - // locate @main code +char *Request::execute_MAIN() { + // locate class with @main & it's code String name_main(pool()); name_main.APPEND_CONST(MAIN_METHOD_NAME); - Value *value_main=class_RUN->get_element(name_main); - if(!value_main) - THROW(0,0, - class_RUN->name(), "class does not contain method '"MAIN_METHOD_NAME"'"); - - Junction *junction_main=value_main->get_junction(); - const Method *method_main=junction_main->method; - - if(!method_main) - THROW(0,0, - class_RUN->name(), - "class does contain '"MAIN_METHOD_NAME"' but it is not a method"); - - // execute! - execute(method_main->code); - - // return chars - return wcontext->get_string()->cstr(); + // looking for latest known @main + for(int i=classes_array().size(); --i>=0;) { + VClass *vclass=static_cast(classes_array().get(i)); + Value *main=vclass->get_element(name_main); + if(main) { // found some 'main' element + Junction *junction=main->get_junction(); + if(junction) {// it even has junction! + const Method *method=junction->method; + if(method) { // and junction is method-junction! call it + // initialize contexts + root=rcontext=self=vclass; + wcontext=NEW WWrapper(pool(), vclass, false /* not constructing */); + + // execute! + execute(*method->parser_code); + + // return chars + return wcontext->get_string()->cstr(); + } + } + } + } + + THROW(0,0, + 0, + "'"MAIN_METHOD_NAME"' method not found"); + return 0; }