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| version 1.49, 2001/03/10 11:18:15 | version 1.62, 2001/03/12 18:13:49 |
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| Line 1 | Line 1 |
| /* | /* |
| $Id$ | Parser |
| Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) | |
| Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf) | |
| $Id$ | |
| */ | */ |
| #include "core.h" | |
| #include "_string.h" | |
| #include "_double.h" | |
| #include "_int.h" | |
| #include "_table.h" | |
| #include "pa_request.h" | #include "pa_request.h" |
| #include "pa_wwrapper.h" | |
| #include "pa_common.h" | |
| #include "pa_vclass.h" | |
| #include <stdio.h> | |
| #include "classes/_root.h" | |
| #include "classes/_env.h" | |
| #include "classes/_string.h" | |
| #include "classes/_double.h" | |
| #include "classes/_int.h" | |
| void core() { | #define GLOBAL_STRING(name, value) name=new(pool) String(pool); name->APPEND_CONST(value) |
| Pool pool; | #define LOCAL_STRING(name, value) String name(pool); name.APPEND_CONST(value) |
| initialize_string_class(pool, *(string_class=new(pool) VClass(pool))); | |
| initialize_double_class(pool, *(double_class=new(pool) VClass(pool))); | |
| initialize_int_class(pool, *(int_class=new(pool) VClass(pool))); | |
| Request request(pool); | |
| request.core(); | |
| } | |
| Request::Request(Pool& apool) : Pooled(apool), | String *unnamed_name; |
| stack(apool), | String *empty_string; |
| root_class(apool), | |
| env_class(apool), | |
| fclasses(apool), | |
| fclasses_array(apool), | |
| lang(String::Untaint_lang::HTML_TYPO) | |
| { | |
| // root class | |
| initialize_root_class(pool(), root_class); | |
| // adding root superclass, | |
| // parent of all classes, | |
| // operators holder | |
| String ROOT(pool()); ROOT.APPEND_CONST(ROOT_NAME); | |
| classes().put(ROOT, &root_class); | |
| // env class | |
| initialize_env_class(pool(), env_class); | |
| String ENV(pool()); ENV.APPEND_CONST(ENV_NAME); | |
| classes().put(ENV, &env_class); | |
| } | |
| void Request::core() { | String *auto_method_name; |
| TRY { | String *main_method_name; |
| 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) { | |
| printf("\nERROR: "); | |
| const String *problem_source=e.problem_source(); | |
| if(problem_source) { | |
| const Origin& origin=problem_source->origin(); | |
| if(origin.file) | |
| printf("%s(%d): ", | |
| origin.file, 1+origin.line); | |
| printf("'%s' ", | |
| problem_source->cstr()); | |
| } | |
| printf("%s", e.comment()); | |
| const String *type=e.type(); | |
| if(type) { | |
| printf(" type: %s", type->cstr()); | |
| const String *code=e.code(); | |
| if(code) | |
| printf(", code: %s", code->cstr()); | |
| } | |
| printf("\n"); | |
| } | |
| END_CATCH | |
| } | |
| void Request::use(char *file, String *name) { | String *main_class_name; |
| // TODO: обнаружить|решить cyclic dependences | String *root_class_name; |
| char *source=file_read(pool(), file); | String *env_class_name; |
| if(!source) | String *table_class_name; |
| THROW(0,0, | |
| 0, | |
| "use: can not read '%s' file", file); | |
| COMPILE(source, name, file); | Hash *untaint_lang_name2enum; |
| // TODO: запустить @STATIC[], если есть | |
| // if(alias) | |
| //classes().put(*alias, &vclass); | |
| } | |
| char *Request::execute_MAIN() { | void core() { |
| // locate class with @main & it's code | Pool pool; |
| String name_main(pool()); | |
| name_main.APPEND_CONST(MAIN_METHOD_NAME); | // names |
| GLOBAL_STRING(unnamed_name, UNNAMED_NAME); | |
| // looking for latest known @main | empty_string=new(pool) String(pool); |
| for(int i=classes_array().size(); --i>=0;) { | |
| VClass *vclass=static_cast<VClass *>(classes_array().get(i)); | GLOBAL_STRING(auto_method_name, AUTO_METHOD_NAME); |
| Value *main=vclass->get_element(name_main); | GLOBAL_STRING(main_method_name, MAIN_METHOD_NAME); |
| 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, | GLOBAL_STRING(main_class_name, MAIN_CLASS_NAME); |
| 0, | GLOBAL_STRING(root_class_name, ROOT_CLASS_NAME); |
| "'"MAIN_METHOD_NAME"' method not found"); | GLOBAL_STRING(env_class_name, ENV_CLASS_NAME); |
| return 0; | GLOBAL_STRING(table_class_name, TABLE_CLASS_NAME); |
| // hashes | |
| untaint_lang_name2enum=new(pool) Hash(pool); | |
| LOCAL_STRING(as_is, "as-is"); | |
| untaint_lang_name2enum->put(as_is, | |
| static_cast<int>(String::Untaint_lang::AS_IS)); | |
| LOCAL_STRING(table, "table"); | |
| untaint_lang_name2enum->put(table, | |
| static_cast<int>(String::Untaint_lang::TABLE)); | |
| LOCAL_STRING(sql, "sql"); | |
| untaint_lang_name2enum->put(sql, | |
| static_cast<int>(String::Untaint_lang::SQL)); | |
| LOCAL_STRING(js, "js"); | |
| untaint_lang_name2enum->put(js, | |
| static_cast<int>(String::Untaint_lang::JS)); | |
| LOCAL_STRING(html, "html"); | |
| untaint_lang_name2enum->put(html, | |
| static_cast<int>(String::Untaint_lang::HTML)); | |
| LOCAL_STRING(html_typo, "html-typo"); | |
| untaint_lang_name2enum->put(html_typo, | |
| static_cast<int>(String::Untaint_lang::HTML_TYPO)); | |
| // read-only classes | |
| initialize_string_class(pool, *(string_class=new(pool) VClass(pool))); string_class->freeze(); | |
| initialize_double_class(pool, *(double_class=new(pool) VClass(pool))); double_class->freeze(); | |
| initialize_int_class(pool, *(int_class=new(pool) VClass(pool))); int_class->freeze(); | |
| initialize_table_class(pool, *(table_class=new(pool) VClass(pool))); table_class->freeze(); | |
| // request | |
| Request request(pool); | |
| request.core(); | |
| } | } |