759 lines
24 KiB
C
759 lines
24 KiB
C
/*
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* Format String Generator for IDL Compiler
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*
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* Copyright 2005 Eric Kohl
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* Copyright 2005 Robert Shearman
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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 "wine/port.h"
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#include <stdio.h>
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#include <stdlib.h>
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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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 "windef.h"
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#include "widl.h"
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#include "typegen.h"
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static size_t get_size_typeformatstring_type(const type_t *type, int ptr_level,
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const expr_t *array, const char *name);
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static int print_file(FILE *file, int indent, const char *format, ...)
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{
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va_list va;
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int i, r;
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if (!file) return 0;
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va_start(va, format);
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for (i = 0; i < indent; i++)
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fprintf(file, " ");
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r = vfprintf(file, format, va);
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va_end(va);
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return r;
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}
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static inline int type_has_ref(const type_t *type)
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{
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return (type->type == 0 && type->ref);
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}
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static inline int is_base_type(unsigned char type)
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{
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switch (type)
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{
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case RPC_FC_BYTE:
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case RPC_FC_CHAR:
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case RPC_FC_USMALL:
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case RPC_FC_SMALL:
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case RPC_FC_WCHAR:
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case RPC_FC_USHORT:
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case RPC_FC_SHORT:
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case RPC_FC_ULONG:
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case RPC_FC_LONG:
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case RPC_FC_HYPER:
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case RPC_FC_IGNORE:
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case RPC_FC_FLOAT:
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case RPC_FC_DOUBLE:
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case RPC_FC_ENUM16:
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case RPC_FC_ENUM32:
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case RPC_FC_ERROR_STATUS_T:
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return TRUE;
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default:
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return FALSE;
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}
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}
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static size_t write_procformatstring_type(FILE *file, int indent,
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const type_t *type, int ptr_level, const expr_t *array, const char *name,
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int is_in, int is_out, int is_return, unsigned int *type_offset)
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{
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size_t size;
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if (ptr_level == 0 && type_has_ref(type))
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return write_procformatstring_type(file, indent, type->ref, ptr_level,
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array, name, is_in, is_out,
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is_return, type_offset);
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if (ptr_level == 0 && !array && is_base_type(type->type))
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{
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if (is_return)
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print_file(file, indent, "0x53, /* FC_RETURN_PARAM_BASETYPE */\n");
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else
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print_file(file, indent, "0x4e, /* FC_IN_PARAM_BASETYPE */\n");
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switch(type->type)
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{
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#define CASE_BASETYPE(fctype) \
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case RPC_##fctype: \
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print_file(file, indent, "0x%02x, /* " #fctype " */\n", RPC_##fctype); \
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size = 2; /* includes param type prefix */ \
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break
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CASE_BASETYPE(FC_BYTE);
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CASE_BASETYPE(FC_CHAR);
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CASE_BASETYPE(FC_WCHAR);
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CASE_BASETYPE(FC_USHORT);
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CASE_BASETYPE(FC_SHORT);
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CASE_BASETYPE(FC_ULONG);
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CASE_BASETYPE(FC_LONG);
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CASE_BASETYPE(FC_HYPER);
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CASE_BASETYPE(FC_IGNORE);
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CASE_BASETYPE(FC_USMALL);
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CASE_BASETYPE(FC_SMALL);
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CASE_BASETYPE(FC_FLOAT);
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CASE_BASETYPE(FC_DOUBLE);
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CASE_BASETYPE(FC_ERROR_STATUS_T);
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#undef CASE_BASETYPE
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default:
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error("Unknown/unsupported type: %s (0x%02x)\n", name, type->type);
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size = 0;
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}
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}
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else
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{
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if (is_return)
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print_file(file, indent, "0x52, /* FC_RETURN_PARAM */\n");
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else if (is_in && is_out)
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print_file(file, indent, "0x50, /* FC_IN_OUT_PARAM */\n");
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else if (is_out)
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print_file(file, indent, "0x51, /* FC_OUT_PARAM */\n");
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else
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print_file(file, indent, "0x4d, /* FC_IN_PARAM */\n");
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print_file(file, indent, "0x01,\n");
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print_file(file, indent, "NdrFcShort(0x%x),\n", *type_offset);
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size = 4; /* includes param type prefix */
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}
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*type_offset += get_size_typeformatstring_type(type, ptr_level, array, name);
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return size;
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}
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void write_procformatstring(FILE *file, type_t *iface)
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{
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int indent = 0;
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var_t *var;
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unsigned int type_offset = 2;
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print_file(file, indent, "static const MIDL_PROC_FORMAT_STRING __MIDL_ProcFormatString =\n");
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print_file(file, indent, "{\n");
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indent++;
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print_file(file, indent, "0,\n");
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print_file(file, indent, "{\n");
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indent++;
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if (iface->funcs)
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{
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func_t *func = iface->funcs;
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while (NEXT_LINK(func)) func = NEXT_LINK(func);
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for (; func; func = PREV_LINK(func))
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{
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/* emit argument data */
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if (func->args)
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{
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var = func->args;
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while (NEXT_LINK(var)) var = NEXT_LINK(var);
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while (var)
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{
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int is_in = is_attr(var->attrs, ATTR_IN);
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int is_out = is_attr(var->attrs, ATTR_OUT);
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if (!is_in && !is_out) is_in = TRUE;
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write_procformatstring_type(file, indent, var->type,
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var->ptr_level, var->array, var->name,
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is_in, is_out, FALSE, &type_offset);
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var = PREV_LINK(var);
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}
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}
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/* emit return value data */
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var = func->def;
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if (is_void(var->type, NULL))
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{
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print_file(file, indent, "0x5b, /* FC_END */\n");
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print_file(file, indent, "0x5c, /* FC_PAD */\n");
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}
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else
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write_procformatstring_type(file, indent, var->type,
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var->ptr_level, var->array, var->name, FALSE, FALSE, TRUE,
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&type_offset);
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}
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}
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print_file(file, indent, "0x0\n");
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indent--;
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print_file(file, indent, "}\n");
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indent--;
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print_file(file, indent, "};\n");
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print_file(file, indent, "\n");
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}
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static size_t write_typeformatstring_type(FILE *file, int indent,
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const type_t *type, int ptr_level, const expr_t *array, const char *name)
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{
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if (ptr_level == 0 && type_has_ref(type))
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return write_typeformatstring_type(file, indent,
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type->ref, 0 /* FIXME */, array, name);
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/* basic types don't need a type format string */
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if (ptr_level == 0 && !array && is_base_type(type->type))
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return 0;
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if ((ptr_level == 1 && !type_has_ref(type)) ||
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(ptr_level == 0 && array && !NEXT_LINK(array)))
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{
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switch (type->type)
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{
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#define CASE_BASETYPE(fctype) \
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case RPC_##fctype: \
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print_file(file, indent, "0x11, 0x08, /* FC_RP [simple_pointer] */\n"); \
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print_file(file, indent, "0x%02x, /* " #fctype " */\n", RPC_##fctype); \
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print_file(file, indent, "0x5c, /* FC_PAD */\n"); \
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return 4
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CASE_BASETYPE(FC_BYTE);
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CASE_BASETYPE(FC_CHAR);
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CASE_BASETYPE(FC_SMALL);
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CASE_BASETYPE(FC_USMALL);
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CASE_BASETYPE(FC_WCHAR);
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CASE_BASETYPE(FC_SHORT);
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CASE_BASETYPE(FC_USHORT);
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CASE_BASETYPE(FC_LONG);
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CASE_BASETYPE(FC_ULONG);
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CASE_BASETYPE(FC_FLOAT);
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CASE_BASETYPE(FC_HYPER);
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CASE_BASETYPE(FC_DOUBLE);
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CASE_BASETYPE(FC_ENUM16);
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CASE_BASETYPE(FC_ENUM32);
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CASE_BASETYPE(FC_IGNORE);
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CASE_BASETYPE(FC_ERROR_STATUS_T);
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default:
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error("write_typeformatstring_var: Unknown/unsupported type: %s (0x%02x)\n", name, type->type);
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}
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}
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error("write_typeformatstring_var: Pointer level %d not supported for variable %s\n", ptr_level, name);
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return 0;
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}
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void write_typeformatstring(FILE *file, type_t *iface)
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{
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int indent = 0;
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var_t *var;
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print_file(file, indent, "static const MIDL_TYPE_FORMAT_STRING __MIDL_TypeFormatString =\n");
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print_file(file, indent, "{\n");
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indent++;
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print_file(file, indent, "0,\n");
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print_file(file, indent, "{\n");
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indent++;
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print_file(file, indent, "NdrFcShort(0x0),\n");
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if (iface->funcs)
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{
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func_t *func = iface->funcs;
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while (NEXT_LINK(func)) func = NEXT_LINK(func);
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for (; func; func = PREV_LINK(func))
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{
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if (func->args)
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{
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var = func->args;
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while (NEXT_LINK(var)) var = NEXT_LINK(var);
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while (var)
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{
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write_typeformatstring_type(file, indent, var->type,
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var->ptr_level, var->array, var->name);
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var = PREV_LINK(var);
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}
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}
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}
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}
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print_file(file, indent, "0x0\n");
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indent--;
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print_file(file, indent, "}\n");
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indent--;
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print_file(file, indent, "};\n");
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print_file(file, indent, "\n");
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}
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static unsigned int get_required_buffer_size_type(
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const type_t *type, int ptr_level, const expr_t *array,
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const char *name, unsigned int *alignment)
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{
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*alignment = 0;
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if (ptr_level == 0 && !array && !type_has_ref(type))
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{
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switch (type->type)
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{
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case RPC_FC_BYTE:
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case RPC_FC_CHAR:
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case RPC_FC_USMALL:
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case RPC_FC_SMALL:
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return 1;
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case RPC_FC_WCHAR:
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case RPC_FC_USHORT:
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case RPC_FC_SHORT:
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*alignment = 2;
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return 2;
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case RPC_FC_ULONG:
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case RPC_FC_LONG:
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case RPC_FC_FLOAT:
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case RPC_FC_ERROR_STATUS_T:
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*alignment = 4;
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return 4;
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case RPC_FC_HYPER:
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case RPC_FC_DOUBLE:
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*alignment = 8;
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return 8;
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case RPC_FC_STRUCT:
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{
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size_t size = 0;
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const var_t *field;
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for (field = type->fields; field; field = NEXT_LINK(field))
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{
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unsigned int alignment;
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size += get_required_buffer_size_type(
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field->type, field->ptr_level, field->array, field->name,
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&alignment);
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}
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return size;
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}
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default:
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error("get_required_buffer_size: Unknown/unsupported type: %s (0x%02x)\n", name, type->type);
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return 0;
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}
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}
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if (ptr_level == 0 && type_has_ref(type))
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return get_required_buffer_size_type(type->ref, 0 /* FIXME */, array, name, alignment);
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return 0;
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}
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unsigned int get_required_buffer_size(const var_t *var, unsigned int *alignment)
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{
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return get_required_buffer_size_type(var->type, var->ptr_level, var->array, var->name, alignment);
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}
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void marshall_arguments(FILE *file, int indent, func_t *func,
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unsigned int *type_offset, enum pass pass)
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{
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unsigned int last_size = 0;
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var_t *var;
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if (!func->args)
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return;
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var = func->args;
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while (NEXT_LINK(var)) var = NEXT_LINK(var);
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for (; var; *type_offset += get_size_typeformatstring_var(var), var = PREV_LINK(var))
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{
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int in_attr = is_attr(var->attrs, ATTR_IN);
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int out_attr = is_attr(var->attrs, ATTR_OUT);
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if (!in_attr && !out_attr)
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in_attr = 1;
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switch (pass)
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{
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case PASS_IN:
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if (!in_attr)
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continue;
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break;
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case PASS_OUT:
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if (!out_attr)
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continue;
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break;
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case PASS_RETURN:
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break;
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}
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if (var->ptr_level == 0 && !var->array)
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{
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unsigned int size;
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unsigned int alignment = 0;
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switch (var->type->type)
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{
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case RPC_FC_BYTE:
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case RPC_FC_CHAR:
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case RPC_FC_SMALL:
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case RPC_FC_USMALL:
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size = 1;
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alignment = 0;
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break;
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case RPC_FC_WCHAR:
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case RPC_FC_USHORT:
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case RPC_FC_SHORT:
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size = 2;
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if (last_size != 0 && last_size < 2)
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alignment = (2 - last_size);
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break;
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case RPC_FC_ULONG:
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case RPC_FC_LONG:
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case RPC_FC_FLOAT:
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case RPC_FC_ERROR_STATUS_T:
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size = 4;
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if (last_size != 0 && last_size < 4)
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alignment = (4 - last_size);
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break;
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case RPC_FC_HYPER:
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case RPC_FC_DOUBLE:
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size = 8;
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if (last_size != 0 && last_size < 4)
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alignment = (4 - last_size);
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break;
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default:
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error("marshall_arguments: Unsupported type: %s (0x%02x, ptr_level: 0)\n", var->name, var->type->type);
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size = 0;
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}
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if (alignment != 0)
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print_file(file, indent, "_StubMsg.Buffer += %u;\n", alignment);
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print_file(file, indent, "*(");
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write_type(file, var->type, var, var->tname);
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fprintf(file, " *)_StubMsg.Buffer = ");
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write_name(file, var);
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fprintf(file, ";\n");
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fprintf(file, "_StubMsg.Buffer += sizeof(");
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write_type(file, var->type, var, var->tname);
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fprintf(file, ");\n");
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last_size = size;
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}
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else if ((var->ptr_level == 1 && !var->array) ||
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(var->ptr_level == 0 && var->array))
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{
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if (is_attr(var->attrs, ATTR_STRING))
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{
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switch (var->type->type)
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{
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case RPC_FC_CHAR:
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case RPC_FC_WCHAR:
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print_file(file, indent,
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"NdrConformantStringMarshall(&_StubMsg, (unsigned char *)%s, &__MIDL_TypeFormatString.Format[%d]);\n",
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var->name, *type_offset);
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break;
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default:
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error("marshall_arguments: Unsupported [string] type: %s (0x%02x, ptr_level: 1)\n", var->name, var->type->type);
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}
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}
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else if (var->array)
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{
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const expr_t *length_is = get_attrp(var->attrs, ATTR_LENGTHIS);
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const expr_t *size_is = get_attrp(var->attrs, ATTR_SIZEIS);
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const char *array_type;
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int has_length = length_is && (length_is->type != EXPR_VOID);
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int has_size = size_is && (size_is->type != EXPR_VOID) && !var->array->is_const;
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if (NEXT_LINK(var->array)) /* multi-dimensional array */
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array_type = "ComplexArray";
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else
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{
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if (!has_length && !has_size)
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array_type = "FixedArray";
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else if (has_length && !has_size)
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{
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print_file(file, indent, "_StubMsg.Offset = (unsigned long)0;\n"); /* FIXME */
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print_file(file, indent, "_StubMsg.ActualCount = (unsigned long)");
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write_expr(file, length_is, 1);
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fprintf(file, ";\n\n");
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array_type = "VaryingArray";
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}
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else if (!has_length && has_size)
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{
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print_file(file, indent, "_StubMsg.MaxCount = (unsigned long)");
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write_expr(file, size_is ? size_is : var->array, 1);
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fprintf(file, ";\n\n");
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array_type = "ConformantArray";
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}
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else
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{
|
|
print_file(file, indent, "_StubMsg.MaxCount = (unsigned long)");
|
|
write_expr(file, size_is ? size_is : var->array, 1);
|
|
fprintf(file, ";\n");
|
|
print_file(file, indent, "_StubMsg.Offset = (unsigned long)0;\n"); /* FIXME */
|
|
print_file(file, indent, "_StubMsg.ActualCount = (unsigned long)");
|
|
write_expr(file, length_is, 1);
|
|
fprintf(file, ";\n\n");
|
|
array_type = "ConformantVaryingArray";
|
|
}
|
|
}
|
|
|
|
print_file(file, indent,
|
|
"Ndr%sMarshall(&_StubMsg, (unsigned char *)%s, &__MIDL_TypeFormatString.Format[%d]);\n",
|
|
array_type, var->name, *type_offset);
|
|
}
|
|
else
|
|
{
|
|
const char *ndrtype;
|
|
|
|
switch (var->type->type)
|
|
{
|
|
case RPC_FC_STRUCT:
|
|
ndrtype = "SimpleStruct";
|
|
break;
|
|
case RPC_FC_CSTRUCT:
|
|
case RPC_FC_CPSTRUCT:
|
|
ndrtype = "ConformantStruct";
|
|
break;
|
|
case RPC_FC_CVSTRUCT:
|
|
ndrtype = "ConformantVaryingStruct";
|
|
break;
|
|
case RPC_FC_BOGUS_STRUCT:
|
|
ndrtype = "ComplexStruct";
|
|
break;
|
|
default:
|
|
error("marshall_arguments: Unsupported type: %s (0x%02x, ptr_level: %d)\n",
|
|
var->name, var->type->type, var->ptr_level);
|
|
ndrtype = NULL;
|
|
}
|
|
|
|
print_file(file, indent,
|
|
"Ndr%sMarshall(&_StubMsg, (unsigned char *)%s, &__MIDL_TypeFormatString.Format[%d]);\n",
|
|
ndrtype, var->name, *type_offset);
|
|
}
|
|
last_size = 1;
|
|
}
|
|
else
|
|
{
|
|
error("marshall_arguments: Pointer level %d not supported for variable %s\n", var->ptr_level, var->name);
|
|
last_size = 1;
|
|
}
|
|
fprintf(file, "\n");
|
|
}
|
|
}
|
|
|
|
void unmarshall_arguments(FILE *file, int indent, func_t *func,
|
|
unsigned int *type_offset, enum pass pass)
|
|
{
|
|
unsigned int last_size = 0;
|
|
var_t *var;
|
|
|
|
if (!func->args)
|
|
return;
|
|
|
|
var = func->args;
|
|
while (NEXT_LINK(var)) var = NEXT_LINK(var);
|
|
for (; var; *type_offset += get_size_typeformatstring_var(var), var = PREV_LINK(var))
|
|
{
|
|
int in_attr = is_attr(var->attrs, ATTR_IN);
|
|
int out_attr = is_attr(var->attrs, ATTR_OUT);
|
|
|
|
if (!in_attr && !out_attr)
|
|
in_attr = 1;
|
|
|
|
switch (pass)
|
|
{
|
|
case PASS_IN:
|
|
if (!in_attr)
|
|
continue;
|
|
break;
|
|
case PASS_OUT:
|
|
if (!out_attr)
|
|
continue;
|
|
break;
|
|
case PASS_RETURN:
|
|
break;
|
|
}
|
|
|
|
if (var->ptr_level == 0 && !var->array)
|
|
{
|
|
unsigned int size;
|
|
unsigned int alignment = 0;
|
|
|
|
switch (var->type->type)
|
|
{
|
|
case RPC_FC_BYTE:
|
|
case RPC_FC_CHAR:
|
|
case RPC_FC_SMALL:
|
|
case RPC_FC_USMALL:
|
|
size = 1;
|
|
alignment = 0;
|
|
break;
|
|
|
|
case RPC_FC_WCHAR:
|
|
case RPC_FC_USHORT:
|
|
case RPC_FC_SHORT:
|
|
size = 2;
|
|
if (last_size != 0 && last_size < 2)
|
|
alignment = (2 - last_size);
|
|
break;
|
|
|
|
case RPC_FC_ULONG:
|
|
case RPC_FC_LONG:
|
|
case RPC_FC_FLOAT:
|
|
case RPC_FC_ERROR_STATUS_T:
|
|
size = 4;
|
|
if (last_size != 0 && last_size < 4)
|
|
alignment = (4 - last_size);
|
|
break;
|
|
|
|
case RPC_FC_HYPER:
|
|
case RPC_FC_DOUBLE:
|
|
size = 8;
|
|
if (last_size != 0 && last_size < 4)
|
|
alignment = (4 - last_size);
|
|
break;
|
|
|
|
default:
|
|
error("unmarshall_arguments: Unsupported type: %s (0x%02x, ptr_level: 0)\n", var->name, var->type->type);
|
|
size = 0;
|
|
}
|
|
|
|
if (alignment != 0)
|
|
print_file(file, indent, "_StubMsg.Buffer += %u;\n", alignment);
|
|
|
|
print_file(file, indent, "");
|
|
write_name(file, var);
|
|
fprintf(file, " = *(");
|
|
write_type(file, var->type, var, var->tname);
|
|
fprintf(file, " *)_StubMsg.Buffer;\n");
|
|
fprintf(file, "_StubMsg.Buffer += sizeof(");
|
|
write_type(file, var->type, var, var->tname);
|
|
fprintf(file, ");\n");
|
|
|
|
last_size = size;
|
|
}
|
|
else if ((var->ptr_level == 1 && !var->array) ||
|
|
(var->ptr_level == 0 && var->array))
|
|
{
|
|
if (is_attr(var->attrs, ATTR_STRING))
|
|
{
|
|
switch (var->type->type)
|
|
{
|
|
case RPC_FC_CHAR:
|
|
case RPC_FC_WCHAR:
|
|
print_file(file, indent,
|
|
"NdrConformantStringUnmarshall(&_StubMsg, (unsigned char *)%s, &__MIDL_TypeFormatString.Format[%d], 0);\n",
|
|
var->name, *type_offset);
|
|
break;
|
|
default:
|
|
error("unmarshall_arguments: Unsupported [string] type: %s (0x%02x, ptr_level: %d)\n",
|
|
var->name, var->type->type, var->ptr_level);
|
|
}
|
|
}
|
|
else if (var->array)
|
|
{
|
|
const expr_t *length_is = get_attrp(var->attrs, ATTR_LENGTHIS);
|
|
const expr_t *size_is = get_attrp(var->attrs, ATTR_SIZEIS);
|
|
const char *array_type;
|
|
int has_length = length_is && (length_is->type != EXPR_VOID);
|
|
int has_size = size_is && (size_is->type != EXPR_VOID) && !var->array->is_const;
|
|
|
|
if (NEXT_LINK(var->array)) /* multi-dimensional array */
|
|
array_type = "ComplexArray";
|
|
else
|
|
{
|
|
if (!has_length && !has_size)
|
|
array_type = "FixedArray";
|
|
else if (has_length && !has_size)
|
|
array_type = "VaryingArray";
|
|
else if (!has_length && has_size)
|
|
array_type = "ConformantArray";
|
|
else
|
|
array_type = "ConformantVaryingArray";
|
|
}
|
|
|
|
print_file(file, indent,
|
|
"Ndr%sUnmarshall(&_StubMsg, (unsigned char *)%s, &__MIDL_TypeFormatString.Format[%d], 0);\n",
|
|
array_type, var->name, *type_offset);
|
|
}
|
|
else
|
|
{
|
|
const char *ndrtype;
|
|
|
|
switch (var->type->type)
|
|
{
|
|
case RPC_FC_STRUCT:
|
|
ndrtype = "SimpleStruct";
|
|
break;
|
|
case RPC_FC_CSTRUCT:
|
|
case RPC_FC_CPSTRUCT:
|
|
ndrtype = "ConformantStruct";
|
|
break;
|
|
case RPC_FC_CVSTRUCT:
|
|
ndrtype = "ConformantVaryingStruct";
|
|
break;
|
|
case RPC_FC_BOGUS_STRUCT:
|
|
ndrtype = "ComplexStruct";
|
|
break;
|
|
default:
|
|
error("unmarshall_arguments: Unsupported type: %s (0x%02x, ptr_level: %d)\n",
|
|
var->name, var->type->type, var->ptr_level);
|
|
ndrtype = NULL;
|
|
}
|
|
|
|
print_file(file, indent,
|
|
"Ndr%sUnmarshall(&_StubMsg, (unsigned char *)%s, &__MIDL_TypeFormatString.Format[%d], 0);\n",
|
|
ndrtype, var->name, *type_offset);
|
|
}
|
|
last_size = 1;
|
|
}
|
|
else
|
|
{
|
|
error("unmarshall_arguments: Pointer level %d not supported for variable %s\n", var->ptr_level, var->name);
|
|
last_size = 1;
|
|
}
|
|
fprintf(file, "\n");
|
|
}
|
|
}
|
|
|
|
|
|
static size_t get_size_typeformatstring_type(const type_t *type, int ptr_level,
|
|
const expr_t *array, const char *name)
|
|
{
|
|
return write_typeformatstring_type(NULL, 0, type, ptr_level, array, name);
|
|
}
|
|
|
|
|
|
size_t get_size_procformatstring_var(var_t *var)
|
|
{
|
|
unsigned int type_offset = 2;
|
|
return write_procformatstring_type(NULL, 0, var->type,
|
|
var->ptr_level, var->array, var->name, FALSE, FALSE, FALSE, &type_offset);
|
|
}
|
|
|
|
|
|
size_t get_size_typeformatstring_var(var_t *var)
|
|
{
|
|
return write_typeformatstring_type(NULL, 0, var->type, var->ptr_level,
|
|
var->array, var->name);
|
|
}
|