409 lines
10 KiB
C
409 lines
10 KiB
C
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/*
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* IDL Compiler
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*
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* Copyright 2002 Ove Kaaven
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "config.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <assert.h>
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#include <ctype.h>
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#include <signal.h>
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#include "widl.h"
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#include "utils.h"
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#include "parser.h"
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#include "header.h"
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#include "proxy.h"
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#include "y.tab.h"
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static int indentation = 0;
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static void indent(int delta)
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{
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int c;
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if (delta < 0) indentation += delta;
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for (c=0; c<indentation; c++) fprintf(header, " ");
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if (delta > 0) indentation += delta;
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}
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int is_void(type_t *t, var_t *v)
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{
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if (v && v->ptr_level) return 0;
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if (!t->type && !t->ref) return 1;
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return 0;
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}
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static void write_pident(var_t *v)
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{
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int c;
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for (c=0; c<v->ptr_level; c++) {
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fprintf(header, "*");
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}
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if (v->name) fprintf(header, "%s", v->name);
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}
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void write_name(FILE *h, var_t *v)
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{
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fprintf(h, "%s", v->name);
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}
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char* get_name(var_t *v)
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{
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return v->name;
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}
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static void write_fields(FILE *h, var_t *v)
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{
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if (!v) return;
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while (NEXT_LINK(v)) v = NEXT_LINK(v);
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while (v) {
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if (v->type) {
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indent(0);
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write_type(h, v->type, NULL, v->tname);
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if (get_name(v)) {
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fprintf(header, " ");
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write_pident(v);
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}
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fprintf(header, ";\n");
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}
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v = PREV_LINK(v);
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}
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}
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void write_type(FILE *h, type_t *t, var_t *v, char *n)
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{
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int c;
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if (n) fprintf(h, "%s", n);
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else {
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if (t->is_const) fprintf(h, "const ");
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if (t->type) {
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switch (t->type) {
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case RPC_FC_BYTE:
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fprintf(h, "byte");
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break;
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case RPC_FC_CHAR:
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fprintf(h, "char");
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break;
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case RPC_FC_USHORT:
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fprintf(h, "unsigned ");
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case RPC_FC_SHORT:
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if (t->ref) fprintf(h, t->ref->name);
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fprintf(h, "short");
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break;
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case RPC_FC_ULONG:
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fprintf(h, "unsigned ");
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case RPC_FC_LONG:
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if (t->ref) fprintf(h, t->ref->name);
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else fprintf(h, "long");
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break;
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case RPC_FC_STRUCT:
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if (t->defined && !t->written) {
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if (t->name) fprintf(h, "struct %s {\n", t->name);
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else fprintf(h, "struct {\n");
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indentation++;
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write_fields(h, t->fields);
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indent(-1);
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fprintf(h, "}");
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}
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else fprintf(h, "struct %s", t->name);
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break;
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case RPC_FC_NON_ENCAPSULATED_UNION:
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if (t->defined && !t->written) {
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if (t->name) fprintf(h, "union %s {\n", t->name);
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else fprintf(h, "union {\n");
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indentation++;
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write_fields(h, t->fields);
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indent(-1);
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fprintf(h, "}");
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}
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else fprintf(h, "union %s", t->name);
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break;
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default:
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fprintf(h, "(unknown-type:%d)", t->type);
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}
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}
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else {
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if (t->ref) {
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write_type(h, t->ref, NULL, t->name);
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}
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else fprintf(h, "void");
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}
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}
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if (v) {
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for (c=0; c<v->ptr_level; c++) {
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fprintf(h, "*");
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}
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}
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}
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void write_typedef(type_t *type, var_t *names)
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{
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char *tname = names->tname;
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while (NEXT_LINK(names)) names = NEXT_LINK(names);
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fprintf(header, "typedef ");
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write_type(header, type, NULL, tname);
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fprintf(header, " ");
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while (names) {
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write_pident(names);
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if (PREV_LINK(names))
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fprintf(header, ", ");
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names = PREV_LINK(names);
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}
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fprintf(header, ";\n");
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}
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/********** INTERFACES **********/
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int is_object(attr_t *a)
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{
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while (a) {
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if (a->type == tOBJECT) return 1;
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a = NEXT_LINK(a);
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}
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return 0;
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}
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int is_local(attr_t *a)
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{
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while (a) {
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if (a->type == tLOCAL) return 1;
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a = NEXT_LINK(a);
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}
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return 0;
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}
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var_t *is_callas(attr_t *a)
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{
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while (a) {
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if (a->type == tCALLAS) return a->u.pval;
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a = NEXT_LINK(a);
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}
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return NULL;
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}
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static void write_method_def(type_t *iface)
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{
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func_t *cur = iface->funcs;
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while (NEXT_LINK(cur)) cur = NEXT_LINK(cur);
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fprintf(header, "#define %s_METHODS", iface->name);
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while (cur) {
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var_t *def = cur->def;
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if (!is_callas(def->attrs)) {
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var_t *arg = cur->args;
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int argc = 0;
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if (arg) {
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argc++;
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while (NEXT_LINK(arg)) {
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arg = NEXT_LINK(arg);
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argc++;
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}
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}
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fprintf(header, " \\\n");
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if (!is_void(def->type, def)) {
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if (argc)
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fprintf(header, " ICOM_METHOD%d (", argc);
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else
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fprintf(header, " ICOM_METHOD (");
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write_type(header, def->type, def, def->tname);
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fprintf(header, ",");
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} else
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if (argc)
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fprintf(header, " ICOM_VMETHOD%d(", argc);
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else
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fprintf(header, " ICOM_VMETHOD (");
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write_name(header, def);
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while (arg) {
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fprintf(header, ",");
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write_type(header, arg->type, arg, arg->tname);
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fprintf(header, ",");
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write_name(header,arg);
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arg = PREV_LINK(arg);
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}
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fprintf(header, ")");
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}
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cur = PREV_LINK(cur);
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}
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fprintf(header, "\n");
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}
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static int write_method_macro(type_t *iface, char *name)
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{
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int idx;
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func_t *cur = iface->funcs;
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while (NEXT_LINK(cur)) cur = NEXT_LINK(cur);
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if (iface->ref) idx = write_method_macro(iface->ref, name);
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else idx = 0;
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fprintf(header, "/*** %s methods ***/\n", iface->name);
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while (cur) {
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var_t *def = cur->def;
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if (!is_callas(def->attrs)) {
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var_t *arg = cur->args;
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int argc = 0;
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int c;
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while (arg) {
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arg = NEXT_LINK(arg);
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argc++;
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}
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fprintf(header, "#define %s_", name);
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write_name(header,def);
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fprintf(header, "(p");
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for (c=0; c<argc; c++)
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fprintf(header, ",%c", c+'a');
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fprintf(header, ") ");
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if (argc)
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fprintf(header, "ICOM_CALL%d(", argc);
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else
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fprintf(header, "ICOM_CALL(");
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write_name(header,def);
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fprintf(header, ",p");
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for (c=0; c<argc; c++)
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fprintf(header, ",%c", c+'a');
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fprintf(header, ")\n");
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if (cur->idx == -1) cur->idx = idx;
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else if (cur->idx != idx) yyerror("BUG: method index mismatch in write_method_macro");
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idx++;
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}
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cur = PREV_LINK(cur);
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}
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return idx;
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}
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void write_method_args(FILE *h, var_t *arg, char *name)
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{
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if (arg) {
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while (NEXT_LINK(arg))
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arg = NEXT_LINK(arg);
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}
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fprintf(h, " %s* This", name);
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while (arg) {
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fprintf(h, ",\n ");
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write_type(h, arg->type, arg, arg->tname);
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fprintf(h, " ");
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write_name(h,arg);
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arg = PREV_LINK(arg);
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}
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}
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static void write_method_proto(type_t *iface)
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{
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func_t *cur = iface->funcs;
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while (NEXT_LINK(cur)) cur = NEXT_LINK(cur);
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while (cur) {
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var_t *def = cur->def;
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var_t *cas = is_callas(def->attrs);
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if (!is_local(def->attrs)) {
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/* proxy prototype */
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write_type(header, def->type, def, def->tname);
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fprintf(header, " CALLBACK %s_", iface->name);
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write_name(header,def);
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fprintf(header, "_Proxy(\n");
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write_method_args(header, cur->args, iface->name);
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fprintf(header, ");\n");
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/* stub prototype */
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fprintf(header, "void __RPC_STUB %s_", iface->name);
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write_name(header,def);
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fprintf(header, "_Stub(\n");
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fprintf(header, " IRpcStubBuffer* This,\n");
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fprintf(header, " IRpcChannelBuffer* pRpcChannelBuffer,\n");
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fprintf(header, " PRPC_MESSAGE pRpcMessage,\n");
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fprintf(header, " DWORD* pdwStubPhase);\n");
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}
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if (cas) {
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func_t *m = iface->funcs;
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while (m && strcmp(get_name(m->def), cas->name))
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m = NEXT_LINK(m);
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if (m) {
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var_t *mdef = m->def;
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/* proxy prototype - use local prototype */
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write_type(header, mdef->type, mdef, mdef->tname);
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fprintf(header, " CALLBACK %s_", iface->name);
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write_name(header, mdef);
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fprintf(header, "_Proxy(\n");
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write_method_args(header, m->args, iface->name);
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fprintf(header, ");\n");
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/* stub prototype - use remotable prototype */
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write_type(header, def->type, def, def->tname);
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fprintf(header, " __RPC_STUB %s_", iface->name);
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write_name(header, mdef);
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fprintf(header, "_Stub(\n");
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write_method_args(header, cur->args, iface->name);
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fprintf(header, ");\n");
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}
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else {
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yywarning("invalid call_as attribute (%s -> %s)\n", get_name(def), cas->name);
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}
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}
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cur = PREV_LINK(cur);
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}
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}
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void write_forward(type_t *iface)
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{
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if (!iface->written) {
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fprintf(header, "typedef struct %s %s;\n", iface->name, iface->name);
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iface->written = TRUE;
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}
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}
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void write_interface(type_t *iface)
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{
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if (!is_object(iface->attrs)) {
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if (!iface->funcs) return;
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yywarning("RPC interfaces not supported yet\n");
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return;
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}
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if (!iface->funcs) {
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yywarning("%s has no methods", iface->name);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
fprintf(header, "/*****************************************************************************\n");
|
||
|
|
fprintf(header, " * %s interface\n", iface->name);
|
||
|
|
fprintf(header, " */\n");
|
||
|
|
write_forward(iface);
|
||
|
|
if (iface->ref)
|
||
|
|
fprintf(header, "#define ICOM_INTERFACE %s\n", iface->name);
|
||
|
|
write_method_def(iface);
|
||
|
|
fprintf(header, "#define %s_IMETHODS \\\n", iface->name);
|
||
|
|
if (iface->ref)
|
||
|
|
fprintf(header, " %s_IMETHODS \\\n", iface->ref->name);
|
||
|
|
fprintf(header, " %s_METHODS \\\n", iface->name);
|
||
|
|
if (iface->ref) {
|
||
|
|
fprintf(header, "ICOM_DEFINE(%s,%s)\n", iface->name, iface->ref->name);
|
||
|
|
fprintf(header, "#undef ICOM_INTERFACE\n");
|
||
|
|
}
|
||
|
|
fprintf(header, "\n");
|
||
|
|
write_method_macro(iface, iface->name);
|
||
|
|
fprintf(header, "\n");
|
||
|
|
write_method_proto(iface);
|
||
|
|
fprintf(header, "\n");
|
||
|
|
|
||
|
|
if (!is_local(iface->attrs))
|
||
|
|
write_proxy(iface);
|
||
|
|
}
|