Annotation of parser3/src/main/pa_request.C, revision 1.18
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:
1.18 ! paf 6: $Id: pa_request.C,v 1.17 2001/03/12 12:00:06 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"
1.17 paf 15: #include "_table.h"
1.6 paf 16: #include "core.h"
1.3 paf 17:
18: #include <stdio.h>
19:
20: Request::Request(Pool& apool) : Pooled(apool),
21: stack(apool),
22: root_class(apool),
23: env_class(apool),
24: fclasses(apool),
25: fclasses_array(apool),
1.15 paf 26: flang(String::Untaint_lang::HTML_TYPO)
1.3 paf 27: {
28: // root class
29: initialize_root_class(pool(), root_class);
30: // adding root superclass,
31: // parent of all classes,
32: // operators holder
1.6 paf 33: classes().put(*root_class_name, &root_class);
1.18 ! paf 34: //root_class.set_name(*root_class_name);
1.3 paf 35:
36: // env class
37: initialize_env_class(pool(), env_class);
1.6 paf 38: classes().put(*env_class_name, &env_class);
1.17 paf 39:
40: // table class
1.18 ! paf 41: classes().put(*table_class_name, table_class);
! 42: table_class->set_name(*table_class_name);
1.3 paf 43: }
1.1 paf 44:
45: void Request::core() {
1.3 paf 46: TRY {
1.7 paf 47: // loading system auto.p
48: char *sys_auto_file="C:\\temp\\auto.p";
1.16 paf 49: VClass *main_class=use_file(
50: sys_auto_file, false/*ignore possible read problem*/,
51: 0/*new class*/, main_class_name);
1.8 paf 52:
1.13 paf 53: // TODO: использовать $MAIN:limits здесь, пока их не сломали враги
1.7 paf 54:
55: // TODO: load site auto.p files, all assigned bases from upper dir
56: char *site_auto_file="Y:\\parser3\\src\\auto.p";
1.16 paf 57: main_class=use_file(
58: site_auto_file, false/*ignore possible read problem*/,
59: 0/*new class*/, main_class_name, main_class);
1.7 paf 60:
61: // there must be some auto.p
1.12 paf 62: if(!main_class)
1.7 paf 63: THROW(0,0,
64: 0,
65: "'auto.p' not found");
1.5 paf 66:
1.7 paf 67: // compiling requested file
1.5 paf 68: char *test_file="Y:\\parser3\\src\\test.p";
1.16 paf 69: use_file(test_file, true/*don't ignore read problem*/,
70: 0/*new class*/, main_class_name, main_class);
1.3 paf 71:
1.7 paf 72: // executing some @main[]
1.3 paf 73: char *result=execute_MAIN();
74: printf("result-----------------\n%sEOF----------------\n", result);
75: }
76: CATCH(e) {
77: printf("\nERROR: ");
78: const String *problem_source=e.problem_source();
1.16 paf 79: #ifndef NO_STRING_ORIGIN
1.3 paf 80: if(problem_source) {
81: const Origin& origin=problem_source->origin();
82: if(origin.file)
83: printf("%s(%d): ",
84: origin.file, 1+origin.line);
85: printf("'%s' ",
86: problem_source->cstr());
87: }
1.16 paf 88: #endif
1.3 paf 89: printf("%s", e.comment());
1.1 paf 90: const String *type=e.type();
91: if(type) {
92: printf(" type: %s", type->cstr());
93: const String *code=e.code();
94: if(code)
95: printf(", code: %s", code->cstr());
96: }
1.3 paf 97: printf("\n");
1.1 paf 98: }
1.3 paf 99: END_CATCH
1.1 paf 100: }
101:
1.16 paf 102: VClass *Request::use_file(
103: const char *file, bool fail_on_read_problem,
104: VClass *aclass, const String *name,
105: VClass *base_class) {
1.3 paf 106: // TODO: обнаружить|решить cyclic dependences
1.5 paf 107: char *source=file_read(pool(), file, fail_on_read_problem);
1.3 paf 108: if(!source)
1.12 paf 109: return base_class;
1.3 paf 110:
1.16 paf 111: return use_buf(source, file, aclass, name, base_class);
112: }
113:
114: VClass *Request::use_buf(
115: const char *source, const char *file,
116: VClass *aclass, const String *name,
117: VClass *base_class) {
1.5 paf 118: // compile loaded class
1.16 paf 119: VClass& cclass=COMPILE(source, aclass, name, base_class, file);
1.1 paf 120:
1.4 paf 121: // locate and execute possible @auto[] static method
1.16 paf 122: execute_static_method(cclass, *auto_method_name, false /*no result needed*/);
123: return &cclass;
1.1 paf 124: }
125:
1.3 paf 126: char *Request::execute_MAIN() {
1.5 paf 127: // locate class with @main[] & execute it
1.3 paf 128: for(int i=classes_array().size(); --i>=0;) {
129: VClass *vclass=static_cast<VClass *>(classes_array().get(i));
1.5 paf 130: char *result=execute_static_method(*vclass, *main_method_name, true /*result needed*/);
1.4 paf 131: if(result)
132: return result;
1.3 paf 133: }
134:
135: THROW(0,0,
136: 0,
137: "'"MAIN_METHOD_NAME"' method not found");
138: return 0;
1.1 paf 139: }
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