Annotation of parser3/src/main/pa_request.C, revision 1.16
1.1 paf 1: /*
1.9 paf 2: Parser
3: Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
1.14 paf 4: Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)
1.9 paf 5:
1.16 ! paf 6: $Id: pa_request.C,v 1.15 2001/03/11 12:04:45 paf Exp $
1.1 paf 7: */
8:
9: #include "pa_request.h"
1.3 paf 10: #include "pa_wwrapper.h"
11: #include "pa_common.h"
12: #include "pa_vclass.h"
1.11 paf 13: #include "_root.h"
14: #include "_env.h"
1.6 paf 15: #include "core.h"
1.3 paf 16:
17: #include <stdio.h>
18:
19: Request::Request(Pool& apool) : Pooled(apool),
20: stack(apool),
21: root_class(apool),
22: env_class(apool),
23: fclasses(apool),
24: fclasses_array(apool),
1.15 paf 25: flang(String::Untaint_lang::HTML_TYPO)
1.3 paf 26: {
27: // root class
28: initialize_root_class(pool(), root_class);
29: // adding root superclass,
30: // parent of all classes,
31: // operators holder
1.6 paf 32: classes().put(*root_class_name, &root_class);
1.3 paf 33:
34: // env class
35: initialize_env_class(pool(), env_class);
1.6 paf 36: classes().put(*env_class_name, &env_class);
1.3 paf 37: }
1.1 paf 38:
39: void Request::core() {
1.3 paf 40: TRY {
1.7 paf 41: // loading system auto.p
42: char *sys_auto_file="C:\\temp\\auto.p";
1.16 ! paf 43: VClass *main_class=use_file(
! 44: sys_auto_file, false/*ignore possible read problem*/,
! 45: 0/*new class*/, main_class_name);
1.8 paf 46:
1.13 paf 47: // TODO: использовать $MAIN:limits здесь, пока их не сломали враги
1.7 paf 48:
49: // TODO: load site auto.p files, all assigned bases from upper dir
50: char *site_auto_file="Y:\\parser3\\src\\auto.p";
1.16 ! paf 51: main_class=use_file(
! 52: site_auto_file, false/*ignore possible read problem*/,
! 53: 0/*new class*/, main_class_name, main_class);
1.7 paf 54:
55: // there must be some auto.p
1.12 paf 56: if(!main_class)
1.7 paf 57: THROW(0,0,
58: 0,
59: "'auto.p' not found");
1.5 paf 60:
1.7 paf 61: // compiling requested file
1.5 paf 62: char *test_file="Y:\\parser3\\src\\test.p";
1.16 ! paf 63: use_file(test_file, true/*don't ignore read problem*/,
! 64: 0/*new class*/, main_class_name, main_class);
1.3 paf 65:
1.7 paf 66: // executing some @main[]
1.3 paf 67: char *result=execute_MAIN();
68: printf("result-----------------\n%sEOF----------------\n", result);
69: }
70: CATCH(e) {
71: printf("\nERROR: ");
72: const String *problem_source=e.problem_source();
1.16 ! paf 73: #ifndef NO_STRING_ORIGIN
1.3 paf 74: if(problem_source) {
75: const Origin& origin=problem_source->origin();
76: if(origin.file)
77: printf("%s(%d): ",
78: origin.file, 1+origin.line);
79: printf("'%s' ",
80: problem_source->cstr());
81: }
1.16 ! paf 82: #endif
1.3 paf 83: printf("%s", e.comment());
1.1 paf 84: const String *type=e.type();
85: if(type) {
86: printf(" type: %s", type->cstr());
87: const String *code=e.code();
88: if(code)
89: printf(", code: %s", code->cstr());
90: }
1.3 paf 91: printf("\n");
1.1 paf 92: }
1.3 paf 93: END_CATCH
1.1 paf 94: }
95:
1.16 ! paf 96: VClass *Request::use_file(
! 97: const char *file, bool fail_on_read_problem,
! 98: VClass *aclass, const String *name,
! 99: VClass *base_class) {
1.3 paf 100: // TODO: обнаружить|решить cyclic dependences
1.5 paf 101: char *source=file_read(pool(), file, fail_on_read_problem);
1.3 paf 102: if(!source)
1.12 paf 103: return base_class;
1.3 paf 104:
1.16 ! paf 105: return use_buf(source, file, aclass, name, base_class);
! 106: }
! 107:
! 108: VClass *Request::use_buf(
! 109: const char *source, const char *file,
! 110: VClass *aclass, const String *name,
! 111: VClass *base_class) {
1.5 paf 112: // compile loaded class
1.16 ! paf 113: VClass& cclass=COMPILE(source, aclass, name, base_class, file);
1.1 paf 114:
1.4 paf 115: // locate and execute possible @auto[] static method
1.16 ! paf 116: execute_static_method(cclass, *auto_method_name, false /*no result needed*/);
! 117: return &cclass;
1.1 paf 118: }
119:
1.3 paf 120: char *Request::execute_MAIN() {
1.5 paf 121: // locate class with @main[] & execute it
1.3 paf 122: for(int i=classes_array().size(); --i>=0;) {
123: VClass *vclass=static_cast<VClass *>(classes_array().get(i));
1.5 paf 124: char *result=execute_static_method(*vclass, *main_method_name, true /*result needed*/);
1.4 paf 125: if(result)
126: return result;
1.3 paf 127: }
128:
129: THROW(0,0,
130: 0,
131: "'"MAIN_METHOD_NAME"' method not found");
132: return 0;
1.1 paf 133: }
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