/* * Format String Generator for IDL Compiler * * Copyright 2005-2006 Eric Kohl * Copyright 2005-2006 Robert Shearman * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #include "config.h" #include "wine/port.h" #include #include #ifdef HAVE_UNISTD_H # include #endif #include #include #include #include #include #include "widl.h" #include "utils.h" #include "parser.h" #include "header.h" #include "windef.h" #include "wine/list.h" #include "widl.h" #include "typegen.h" static const func_t *current_func; static const type_t *current_structure; /* name of the structure variable for structure callbacks */ #define STRUCT_EXPR_EVAL_VAR "pS" static struct list expr_eval_routines = LIST_INIT(expr_eval_routines); struct expr_eval_routine { struct list entry; const type_t *structure; size_t structure_size; const expr_t *expr; }; static size_t fields_memsize(const var_list_t *fields, unsigned int *align); static size_t write_struct_tfs(FILE *file, type_t *type, const char *name, unsigned int *tfsoff); static int write_embedded_types(FILE *file, const attr_list_t *attrs, type_t *type, const char *name, int write_ptr, unsigned int *tfsoff); const char *string_of_type(unsigned char type) { switch (type) { case RPC_FC_BYTE: return "FC_BYTE"; case RPC_FC_CHAR: return "FC_CHAR"; case RPC_FC_SMALL: return "FC_SMALL"; case RPC_FC_USMALL: return "FC_USMALL"; case RPC_FC_WCHAR: return "FC_WCHAR"; case RPC_FC_SHORT: return "FC_SHORT"; case RPC_FC_USHORT: return "FC_USHORT"; case RPC_FC_LONG: return "FC_LONG"; case RPC_FC_ULONG: return "FC_ULONG"; case RPC_FC_FLOAT: return "FC_FLOAT"; case RPC_FC_HYPER: return "FC_HYPER"; case RPC_FC_DOUBLE: return "FC_DOUBLE"; case RPC_FC_ENUM16: return "FC_ENUM16"; case RPC_FC_ENUM32: return "FC_ENUM32"; case RPC_FC_IGNORE: return "FC_IGNORE"; case RPC_FC_ERROR_STATUS_T: return "FC_ERROR_STATUS_T"; case RPC_FC_RP: return "FC_RP"; case RPC_FC_UP: return "FC_UP"; case RPC_FC_OP: return "FC_OP"; case RPC_FC_FP: return "FC_FP"; case RPC_FC_ENCAPSULATED_UNION: return "FC_ENCAPSULATED_UNION"; case RPC_FC_NON_ENCAPSULATED_UNION: return "FC_NON_ENCAPSULATED_UNION"; case RPC_FC_STRUCT: return "FC_STRUCT"; case RPC_FC_PSTRUCT: return "FC_PSTRUCT"; case RPC_FC_CSTRUCT: return "FC_CSTRUCT"; case RPC_FC_CPSTRUCT: return "FC_CPSTRUCT"; case RPC_FC_CVSTRUCT: return "FC_CVSTRUCT"; case RPC_FC_BOGUS_STRUCT: return "FC_BOGUS_STRUCT"; case RPC_FC_SMFARRAY: return "FC_SMFARRAY"; case RPC_FC_LGFARRAY: return "FC_LGFARRAY"; case RPC_FC_SMVARRAY: return "FC_SMVARRAY"; case RPC_FC_LGVARRAY: return "FC_LGVARRAY"; case RPC_FC_CARRAY: return "FC_CARRAY"; case RPC_FC_CVARRAY: return "FC_CVARRAY"; case RPC_FC_BOGUS_ARRAY: return "FC_BOGUS_ARRAY"; default: error("string_of_type: unknown type 0x%02x\n", type); return NULL; } } int is_struct(unsigned char type) { switch (type) { case RPC_FC_STRUCT: case RPC_FC_PSTRUCT: case RPC_FC_CSTRUCT: case RPC_FC_CPSTRUCT: case RPC_FC_CVSTRUCT: case RPC_FC_BOGUS_STRUCT: return 1; default: return 0; } } static int is_non_complex_struct(const type_t *type) { switch (type->type) { case RPC_FC_STRUCT: case RPC_FC_PSTRUCT: case RPC_FC_CSTRUCT: case RPC_FC_CPSTRUCT: case RPC_FC_CVSTRUCT: return 1; default: return 0; } } int is_union(unsigned char type) { switch (type) { case RPC_FC_ENCAPSULATED_UNION: case RPC_FC_NON_ENCAPSULATED_UNION: return 1; default: return 0; } } static unsigned short user_type_offset(const char *name) { user_type_t *ut; unsigned short off = 0; LIST_FOR_EACH_ENTRY(ut, &user_type_list, user_type_t, entry) { if (strcmp(name, ut->name) == 0) return off; ++off; } error("user_type_offset: couldn't find type (%s)\n", name); return 0; } static void update_tfsoff(type_t *type, unsigned int offset, FILE *file) { type->typestring_offset = offset; if (file) type->tfswrite = FALSE; } static void guard_rec(type_t *type) { /* types that contain references to themselves (like a linked list), need to be shielded from infinite recursion when writing embedded types */ if (type->typestring_offset) type->tfswrite = FALSE; else type->typestring_offset = 1; } static type_t *get_user_type(const type_t *t, const char **pname) { for (;;) { type_t *ut = get_attrp(t->attrs, ATTR_WIREMARSHAL); if (ut) { if (pname) *pname = t->name; return ut; } if (t->kind == TKIND_ALIAS) t = t->orig; else return 0; } } static int is_user_type(const type_t *t) { return get_user_type(t, NULL) != NULL; } static int is_embedded_complex(const type_t *type) { unsigned char tc = type->type; return is_struct(tc) || is_union(tc) || is_array(type) || is_user_type(type) || (is_ptr(type) && type->ref->type == RPC_FC_IP); } static int compare_expr(const expr_t *a, const expr_t *b) { int ret; if (a->type != b->type) return a->type - b->type; switch (a->type) { case EXPR_NUM: case EXPR_HEXNUM: case EXPR_TRUEFALSE: return a->u.lval - b->u.lval; case EXPR_IDENTIFIER: return strcmp(a->u.sval, b->u.sval); case EXPR_COND: ret = compare_expr(a->ref, b->ref); if (ret != 0) return ret; ret = compare_expr(a->u.ext, b->u.ext); if (ret != 0) return ret; return compare_expr(a->ext2, b->ext2); case EXPR_OR: case EXPR_AND: case EXPR_ADD: case EXPR_SUB: case EXPR_MUL: case EXPR_DIV: case EXPR_SHL: case EXPR_SHR: ret = compare_expr(a->ref, b->ref); if (ret != 0) return ret; return compare_expr(a->u.ext, b->u.ext); case EXPR_NOT: case EXPR_NEG: case EXPR_PPTR: case EXPR_CAST: case EXPR_SIZEOF: return compare_expr(a->ref, b->ref); case EXPR_VOID: return 0; } return -1; } #define WRITE_FCTYPE(file, fctype, typestring_offset) \ do { \ if (file) \ fprintf(file, "/* %2u */\n", typestring_offset); \ print_file((file), 2, "0x%02x, /* " #fctype " */\n", RPC_##fctype); \ } \ while (0) static void print_file(FILE *file, int indent, const char *format, ...) { va_list va; va_start(va, format); print(file, indent, format, va); va_end(va); } void print(FILE *file, int indent, const char *format, va_list va) { if (file) { if (format[0] != '\n') while (0 < indent--) fprintf(file, " "); vfprintf(file, format, va); } } void write_parameters_init(FILE *file, int indent, const func_t *func) { const var_t *var; if (!func->args) return; LIST_FOR_EACH_ENTRY( var, func->args, const var_t, entry ) { const type_t *t = var->type; const char *n = var->name; if (decl_indirect(t)) print_file(file, indent, "MIDL_memset(&%s, 0, sizeof %s);\n", n, n); else if (is_ptr(t) || is_array(t)) print_file(file, indent, "%s = 0;\n", n); } fprintf(file, "\n"); } static void write_formatdesc(FILE *f, int indent, const char *str) { print_file(f, indent, "typedef struct _MIDL_%s_FORMAT_STRING\n", str); print_file(f, indent, "{\n"); print_file(f, indent + 1, "short Pad;\n"); print_file(f, indent + 1, "unsigned char Format[%s_FORMAT_STRING_SIZE];\n", str); print_file(f, indent, "} MIDL_%s_FORMAT_STRING;\n", str); print_file(f, indent, "\n"); } void write_formatstringsdecl(FILE *f, int indent, ifref_list_t *ifaces, int for_objects) { print_file(f, indent, "#define TYPE_FORMAT_STRING_SIZE %d\n", get_size_typeformatstring(ifaces, for_objects)); print_file(f, indent, "#define PROC_FORMAT_STRING_SIZE %d\n", get_size_procformatstring(ifaces, for_objects)); fprintf(f, "\n"); write_formatdesc(f, indent, "TYPE"); write_formatdesc(f, indent, "PROC"); fprintf(f, "\n"); print_file(f, indent, "static const MIDL_TYPE_FORMAT_STRING __MIDL_TypeFormatString;\n"); print_file(f, indent, "static const MIDL_PROC_FORMAT_STRING __MIDL_ProcFormatString;\n"); print_file(f, indent, "\n"); } static inline int is_base_type(unsigned char type) { switch (type) { case RPC_FC_BYTE: case RPC_FC_CHAR: case RPC_FC_USMALL: case RPC_FC_SMALL: case RPC_FC_WCHAR: case RPC_FC_USHORT: case RPC_FC_SHORT: case RPC_FC_ULONG: case RPC_FC_LONG: case RPC_FC_HYPER: case RPC_FC_IGNORE: case RPC_FC_FLOAT: case RPC_FC_DOUBLE: case RPC_FC_ENUM16: case RPC_FC_ENUM32: case RPC_FC_ERROR_STATUS_T: case RPC_FC_BIND_PRIMITIVE: return TRUE; default: return FALSE; } } int decl_indirect(const type_t *t) { return is_user_type(t) || (!is_base_type(t->type) && !is_ptr(t) && !is_array(t)); } static size_t write_procformatstring_var(FILE *file, int indent, const var_t *var, int is_return) { size_t size; const type_t *type = var->type; int is_in = is_attr(var->attrs, ATTR_IN); int is_out = is_attr(var->attrs, ATTR_OUT); if (!is_in && !is_out) is_in = TRUE; if (!type->declarray && is_base_type(type->type)) { if (is_return) print_file(file, indent, "0x53, /* FC_RETURN_PARAM_BASETYPE */\n"); else print_file(file, indent, "0x4e, /* FC_IN_PARAM_BASETYPE */\n"); if (type->type == RPC_FC_BIND_PRIMITIVE) { print_file(file, indent, "0x%02x, /* FC_IGNORE */\n", RPC_FC_IGNORE); size = 2; /* includes param type prefix */ } else if (is_base_type(type->type)) { print_file(file, indent, "0x%02x, /* %s */\n", type->type, string_of_type(type->type)); size = 2; /* includes param type prefix */ } else { error("Unknown/unsupported type: %s (0x%02x)\n", var->name, type->type); size = 0; } } else { if (is_return) print_file(file, indent, "0x52, /* FC_RETURN_PARAM */\n"); else if (is_in && is_out) print_file(file, indent, "0x50, /* FC_IN_OUT_PARAM */\n"); else if (is_out) print_file(file, indent, "0x51, /* FC_OUT_PARAM */\n"); else print_file(file, indent, "0x4d, /* FC_IN_PARAM */\n"); print_file(file, indent, "0x01,\n"); print_file(file, indent, "NdrFcShort(0x%x),\n", type->typestring_offset); size = 4; /* includes param type prefix */ } return size; } void write_procformatstring(FILE *file, const ifref_list_t *ifaces, int for_objects) { const ifref_t *iface; int indent = 0; const var_t *var; print_file(file, indent, "static const MIDL_PROC_FORMAT_STRING __MIDL_ProcFormatString =\n"); print_file(file, indent, "{\n"); indent++; print_file(file, indent, "0,\n"); print_file(file, indent, "{\n"); indent++; if (ifaces) LIST_FOR_EACH_ENTRY( iface, ifaces, const ifref_t, entry ) { if (for_objects != is_object(iface->iface->attrs) || is_local(iface->iface->attrs)) continue; if (iface->iface->funcs) { const func_t *func; LIST_FOR_EACH_ENTRY( func, iface->iface->funcs, const func_t, entry ) { if (is_local(func->def->attrs)) continue; /* emit argument data */ if (func->args) { LIST_FOR_EACH_ENTRY( var, func->args, const var_t, entry ) write_procformatstring_var(file, indent, var, FALSE); } /* emit return value data */ var = func->def; if (is_void(var->type)) { print_file(file, indent, "0x5b, /* FC_END */\n"); print_file(file, indent, "0x5c, /* FC_PAD */\n"); } else write_procformatstring_var(file, indent, var, TRUE); } } } print_file(file, indent, "0x0\n"); indent--; print_file(file, indent, "}\n"); indent--; print_file(file, indent, "};\n"); print_file(file, indent, "\n"); } static int write_base_type(FILE *file, const type_t *type, unsigned int *typestring_offset) { if (is_base_type(type->type)) { print_file(file, 2, "0x%02x,\t/* %s */\n", type->type, string_of_type(type->type)); *typestring_offset += 1; return 1; } return 0; } /* write conformance / variance descriptor */ static size_t write_conf_or_var_desc(FILE *file, const func_t *func, const type_t *structure, unsigned int baseoff, const expr_t *expr) { unsigned char operator_type = 0; const char *operator_string = "no operators"; const expr_t *subexpr; unsigned char correlation_type; if (!file) return 4; /* optimisation for sizing pass */ if (expr->is_const) { if (expr->cval > UCHAR_MAX * (USHRT_MAX + 1) + USHRT_MAX) error("write_conf_or_var_desc: constant value %ld is greater than " "the maximum constant size of %d\n", expr->cval, UCHAR_MAX * (USHRT_MAX + 1) + USHRT_MAX); print_file(file, 2, "0x%x, /* Corr desc: constant, val = %ld */\n", RPC_FC_CONSTANT_CONFORMANCE, expr->cval); print_file(file, 2, "0x%x,\n", expr->cval & ~USHRT_MAX); print_file(file, 2, "NdrFcShort(0x%x),\n", expr->cval & USHRT_MAX); return 4; } subexpr = expr; switch (subexpr->type) { case EXPR_PPTR: subexpr = subexpr->ref; operator_type = RPC_FC_DEREFERENCE; operator_string = "FC_DEREFERENCE"; break; case EXPR_DIV: if (subexpr->u.ext->is_const && (subexpr->u.ext->cval == 2)) { subexpr = subexpr->ref; operator_type = RPC_FC_DIV_2; operator_string = "FC_DIV_2"; } break; case EXPR_MUL: if (subexpr->u.ext->is_const && (subexpr->u.ext->cval == 2)) { subexpr = subexpr->ref; operator_type = RPC_FC_MULT_2; operator_string = "FC_MULT_2"; } break; case EXPR_SUB: if (subexpr->u.ext->is_const && (subexpr->u.ext->cval == 1)) { subexpr = subexpr->ref; operator_type = RPC_FC_SUB_1; operator_string = "FC_SUB_1"; } break; case EXPR_ADD: if (subexpr->u.ext->is_const && (subexpr->u.ext->cval == 1)) { subexpr = subexpr->ref; operator_type = RPC_FC_ADD_1; operator_string = "FC_ADD_1"; } break; default: break; } if (subexpr->type == EXPR_IDENTIFIER) { const type_t *correlation_variable = NULL; unsigned char correlation_variable_type; unsigned char param_type = 0; const char *param_type_string = NULL; size_t offset; if (structure) { const var_t *var; offset = 0; if (structure->fields) LIST_FOR_EACH_ENTRY( var, structure->fields, const var_t, entry ) { unsigned int align = 0; /* FIXME: take alignment into account */ if (var->name && !strcmp(var->name, subexpr->u.sval)) { correlation_variable = var->type; break; } offset += type_memsize(var->type, &align); } if (!correlation_variable) error("write_conf_or_var_desc: couldn't find variable %s in structure\n", subexpr->u.sval); offset -= baseoff; correlation_type = RPC_FC_NORMAL_CONFORMANCE; } else { const var_t *var; offset = sizeof(void *); if (func->args) LIST_FOR_EACH_ENTRY( var, func->args, const var_t, entry ) { if (!strcmp(var->name, subexpr->u.sval)) { correlation_variable = var->type; break; } /* FIXME: not all stack variables are sizeof(void *) */ offset += sizeof(void *); } if (!correlation_variable) error("write_conf_or_var_desc: couldn't find variable %s in function\n", subexpr->u.sval); correlation_type = RPC_FC_TOP_LEVEL_CONFORMANCE; } correlation_variable_type = correlation_variable->type; switch (correlation_variable_type) { case RPC_FC_CHAR: case RPC_FC_SMALL: param_type = RPC_FC_SMALL; param_type_string = "FC_SMALL"; break; case RPC_FC_BYTE: case RPC_FC_USMALL: param_type = RPC_FC_USMALL; param_type_string = "FC_USMALL"; break; case RPC_FC_WCHAR: case RPC_FC_SHORT: param_type = RPC_FC_SHORT; param_type_string = "FC_SHORT"; break; case RPC_FC_USHORT: param_type = RPC_FC_USHORT; param_type_string = "FC_USHORT"; break; case RPC_FC_LONG: param_type = RPC_FC_LONG; param_type_string = "FC_LONG"; break; case RPC_FC_ULONG: param_type = RPC_FC_ULONG; param_type_string = "FC_ULONG"; break; case RPC_FC_RP: case RPC_FC_UP: case RPC_FC_OP: case RPC_FC_FP: if (sizeof(void *) == 4) /* FIXME */ { param_type = RPC_FC_LONG; param_type_string = "FC_LONG"; } else { param_type = RPC_FC_HYPER; param_type_string = "FC_HYPER"; } break; default: error("write_conf_or_var_desc: conformance variable type not supported 0x%x\n", correlation_variable_type); } print_file(file, 2, "0x%x, /* Corr desc: %s%s */\n", correlation_type | param_type, correlation_type == RPC_FC_TOP_LEVEL_CONFORMANCE ? "parameter, " : "", param_type_string); print_file(file, 2, "0x%x, /* %s */\n", operator_type, operator_string); print_file(file, 2, "NdrFcShort(0x%x), /* %soffset = %d */\n", offset, correlation_type == RPC_FC_TOP_LEVEL_CONFORMANCE ? "x86 stack size / " : "", offset); } else { unsigned int callback_offset = 0; if (structure) { struct expr_eval_routine *eval; int found = 0; LIST_FOR_EACH_ENTRY(eval, &expr_eval_routines, struct expr_eval_routine, entry) { if (!strcmp(eval->structure->name, structure->name) && !compare_expr(eval->expr, expr)) { found = 1; break; } callback_offset++; } if (!found) { unsigned int align = 0; eval = xmalloc(sizeof(*eval)); eval->structure = structure; eval->structure_size = fields_memsize(structure->fields, &align); eval->expr = expr; list_add_tail(&expr_eval_routines, &eval->entry); } correlation_type = RPC_FC_NORMAL_CONFORMANCE; } else { error("write_conf_or_var_desc: top-level callback conformance unimplemented\n"); correlation_type = RPC_FC_TOP_LEVEL_CONFORMANCE; } if (callback_offset > USHRT_MAX) error("Maximum number of callback routines reached\n"); print_file(file, 2, "0x%x, /* Corr desc: %s */\n", correlation_type, correlation_type == RPC_FC_TOP_LEVEL_CONFORMANCE ? "parameter" : ""); print_file(file, 2, "0x%x, /* %s */\n", RPC_FC_CALLBACK, "FC_CALLBACK"); print_file(file, 2, "NdrFcShort(0x%x), /* %u */\n", callback_offset, callback_offset); } return 4; } static size_t fields_memsize(const var_list_t *fields, unsigned int *align) { size_t size = 0; const var_t *v; if (!fields) return 0; LIST_FOR_EACH_ENTRY( v, fields, const var_t, entry ) size += type_memsize(v->type, align); return size; } static size_t union_memsize(const var_list_t *fields, unsigned int *pmaxa) { size_t size, maxs = 0; unsigned int align = *pmaxa; const var_t *v; if (fields) LIST_FOR_EACH_ENTRY( v, fields, const var_t, entry ) { /* we could have an empty default field with NULL type */ if (v->type) { size = type_memsize(v->type, &align); if (maxs < size) maxs = size; if (*pmaxa < align) *pmaxa = align; } } return maxs; } size_t type_memsize(const type_t *t, unsigned int *align) { size_t size = 0; if (t->declarray && is_conformant_array(t)) { type_memsize(t->ref, align); size = 0; } else if (is_ptr(t) || is_conformant_array(t)) { size = sizeof(void *); if (size > *align) *align = size; } else switch (t->type) { case RPC_FC_BYTE: case RPC_FC_CHAR: case RPC_FC_USMALL: case RPC_FC_SMALL: size = 1; if (size > *align) *align = size; break; case RPC_FC_WCHAR: case RPC_FC_USHORT: case RPC_FC_SHORT: case RPC_FC_ENUM16: size = 2; if (size > *align) *align = size; break; case RPC_FC_ULONG: case RPC_FC_LONG: case RPC_FC_ERROR_STATUS_T: case RPC_FC_ENUM32: case RPC_FC_FLOAT: size = 4; if (size > *align) *align = size; break; case RPC_FC_HYPER: case RPC_FC_DOUBLE: size = 8; if (size > *align) *align = size; break; case RPC_FC_STRUCT: case RPC_FC_CVSTRUCT: case RPC_FC_CPSTRUCT: case RPC_FC_CSTRUCT: case RPC_FC_PSTRUCT: case RPC_FC_BOGUS_STRUCT: size = fields_memsize(t->fields, align); break; case RPC_FC_ENCAPSULATED_UNION: case RPC_FC_NON_ENCAPSULATED_UNION: size = union_memsize(t->fields, align); break; case RPC_FC_SMFARRAY: case RPC_FC_LGFARRAY: case RPC_FC_SMVARRAY: case RPC_FC_LGVARRAY: case RPC_FC_BOGUS_ARRAY: size = t->dim * type_memsize(t->ref, align); break; default: error("type_memsize: Unknown type %d\n", t->type); size = 0; } return size; } static unsigned int write_nonsimple_pointer(FILE *file, const type_t *type, size_t offset) { short absoff = type->ref->typestring_offset; short reloff = absoff - (offset + 2); int ptr_attr = is_ptr(type->ref) ? 0x10 : 0x0; print_file(file, 2, "0x%02x, 0x%x,\t/* %s */\n", type->type, ptr_attr, string_of_type(type->type)); print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset= %hd (%hd) */\n", reloff, reloff, absoff); return 4; } static unsigned int write_simple_pointer(FILE *file, const type_t *type) { print_file(file, 2, "0x%02x, 0x8,\t/* %s [simple_pointer] */\n", type->type, string_of_type(type->type)); print_file(file, 2, "0x%02x,\t/* %s */\n", type->ref->type, string_of_type(type->ref->type)); print_file(file, 2, "0x5c,\t/* FC_PAD */\n"); return 4; } static size_t write_pointer_tfs(FILE *file, type_t *type, unsigned int *typestring_offset) { unsigned int offset = *typestring_offset; print_file(file, 0, "/* %d */\n", offset); update_tfsoff(type, offset, file); if (type->ref->typestring_offset) *typestring_offset += write_nonsimple_pointer(file, type, offset); else if (is_base_type(type->ref->type)) *typestring_offset += write_simple_pointer(file, type); return offset; } static int processed(const type_t *type) { return type->typestring_offset && !type->tfswrite; } static void write_user_tfs(FILE *file, type_t *type, unsigned int *tfsoff) { unsigned int start, absoff, flags; unsigned int align = 0, ualign = 0; const char *name; type_t *utype = get_user_type(type, &name); size_t usize = type_memsize(utype, &ualign); size_t size = type_memsize(type, &align); unsigned short funoff = user_type_offset(name); short reloff; guard_rec(type); if (is_base_type(utype->type)) { absoff = *tfsoff; print_file(file, 0, "/* %d */\n", absoff); print_file(file, 2, "0x%x,\t/* %s */\n", utype->type, string_of_type(utype->type)); print_file(file, 2, "0x5c,\t/* FC_PAD */\n"); *tfsoff += 2; } else { if (!processed(utype)) write_embedded_types(file, NULL, utype, utype->name, TRUE, tfsoff); absoff = utype->typestring_offset; } if (utype->type == RPC_FC_RP) flags = 0x40; else if (utype->type == RPC_FC_UP) flags = 0x80; else flags = 0; start = *tfsoff; update_tfsoff(type, start, file); print_file(file, 0, "/* %d */\n", start); print_file(file, 2, "0x%x,\t/* FC_USER_MARSHAL */\n", RPC_FC_USER_MARSHAL); print_file(file, 2, "0x%x,\t/* Alignment= %d, Flags= %02x */\n", flags | (align - 1), align - 1, flags); print_file(file, 2, "NdrFcShort(0x%hx),\t/* Function offset= %hu */\n", funoff, funoff); print_file(file, 2, "NdrFcShort(0x%lx),\t/* %lu */\n", usize, usize); print_file(file, 2, "NdrFcShort(0x%lx),\t/* %lu */\n", size, size); *tfsoff += 8; reloff = absoff - *tfsoff; print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset= %hd (%lu) */\n", reloff, reloff, absoff); *tfsoff += 2; } static void write_member_type(FILE *file, type_t *type, const var_t *field, unsigned int *corroff, unsigned int *tfsoff) { if (is_embedded_complex(type)) { size_t absoff; short reloff; if (is_union(type->type) && is_attr(field->attrs, ATTR_SWITCHIS)) { absoff = *corroff; *corroff += 8; } else { absoff = type->typestring_offset; } reloff = absoff - (*tfsoff + 2); print_file(file, 2, "0x4c,\t/* FC_EMBEDDED_COMPLEX */\n"); /* FIXME: actually compute necessary padding */ print_file(file, 2, "0x0,\t/* FIXME: padding */\n"); print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset= %hd (%lu) */\n", reloff, reloff, absoff); *tfsoff += 4; } else if (is_ptr(type)) { print_file(file, 2, "0x8,\t/* FC_LONG */\n"); *tfsoff += 1; } else if (!write_base_type(file, type, tfsoff)) error("Unsupported member type 0x%x\n", type->type); } static void write_end(FILE *file, unsigned int *tfsoff) { if (*tfsoff % 2 == 0) { print_file(file, 2, "0x%x,\t\t/* FC_PAD */\n", RPC_FC_PAD); *tfsoff += 1; } print_file(file, 2, "0x%x,\t\t/* FC_END */\n", RPC_FC_END); *tfsoff += 1; } static void write_descriptors(FILE *file, type_t *type, unsigned int *tfsoff) { unsigned int offset = 0; var_list_t *fs = type->fields; var_t *f; if (fs) LIST_FOR_EACH_ENTRY(f, fs, var_t, entry) { unsigned int align = 0; type_t *ft = f->type; if (is_union(ft->type) && is_attr(f->attrs, ATTR_SWITCHIS)) { unsigned int absoff = ft->typestring_offset; short reloff = absoff - (*tfsoff + 6); print_file(file, 0, "/* %d */\n", *tfsoff); print_file(file, 2, "0x%x,\t/* %s */\n", ft->type, string_of_type(ft->type)); print_file(file, 2, "0x%x,\t/* FIXME: always FC_LONG */\n", RPC_FC_LONG); write_conf_or_var_desc(file, current_func, current_structure, offset, get_attrp(f->attrs, ATTR_SWITCHIS)); print_file(file, 2, "NdrFcShort(%hd),\t/* Offset= %hd (%u) */\n", reloff, reloff, absoff); *tfsoff += 8; } /* FIXME: take alignment into account */ offset += type_memsize(ft, &align); } } static int write_no_repeat_pointer_descriptions( FILE *file, type_t *type, size_t *offset_in_memory, size_t *offset_in_buffer, unsigned int *typestring_offset) { int written = 0; unsigned int align; if (is_ptr(type)) { print_file(file, 2, "0x%02x, /* FC_NO_REPEAT */\n", RPC_FC_NO_REPEAT); print_file(file, 2, "0x%02x, /* FC_PAD */\n", RPC_FC_PAD); /* pointer instance */ print_file(file, 2, "NdrFcShort(0x%x), /* Memory offset = %d */\n", *offset_in_memory, *offset_in_memory); print_file(file, 2, "NdrFcShort(0x%x), /* Buffer offset = %d */\n", *offset_in_buffer, *offset_in_buffer); *typestring_offset += 6; if (processed(type->ref) || is_base_type(type->ref->type)) write_pointer_tfs(file, type, typestring_offset); else error("write_pointer_description: type format string unknown\n"); align = 0; *offset_in_memory += type_memsize(type, &align); /* FIXME: is there a case where these two are different? */ align = 0; *offset_in_buffer += type_memsize(type, &align); return 1; } if (is_non_complex_struct(type)) { const var_t *v; LIST_FOR_EACH_ENTRY( v, type->fields, const var_t, entry ) written += write_no_repeat_pointer_descriptions( file, v->type, offset_in_memory, offset_in_buffer, typestring_offset); } else { align = 0; *offset_in_memory += type_memsize(type, &align); /* FIXME: is there a case where these two are different? */ align = 0; *offset_in_buffer += type_memsize(type, &align); } return written; } static int write_pointer_description_offsets( FILE *file, const attr_list_t *attrs, type_t *type, size_t *offset_in_memory, size_t *offset_in_buffer, unsigned int *typestring_offset) { int written = 0; unsigned int align; if (is_ptr(type) && type->ref->type != RPC_FC_IP) { if (offset_in_memory && offset_in_buffer) { /* pointer instance */ /* FIXME: sometimes from end of structure, sometimes from beginning */ print_file(file, 2, "NdrFcShort(0x%x), /* Memory offset = %d */\n", *offset_in_memory, *offset_in_memory); print_file(file, 2, "NdrFcShort(0x%x), /* Buffer offset = %d */\n", *offset_in_buffer, *offset_in_buffer); align = 0; *offset_in_memory += type_memsize(type, &align); /* FIXME: is there a case where these two are different? */ align = 0; *offset_in_buffer += type_memsize(type, &align); } *typestring_offset += 4; if (processed(type->ref) || is_base_type(type->ref->type)) write_pointer_tfs(file, type, typestring_offset); else error("write_pointer_description_offsets: type format string unknown\n"); return 1; } if (is_array(type)) { return write_pointer_description_offsets( file, attrs, type->ref, offset_in_memory, offset_in_buffer, typestring_offset); } else if (is_non_complex_struct(type)) { /* otherwise search for interesting fields to parse */ const var_t *v; LIST_FOR_EACH_ENTRY( v, type->fields, const var_t, entry ) { written += write_pointer_description_offsets( file, v->attrs, v->type, offset_in_memory, offset_in_buffer, typestring_offset); } } else { align = 0; if (offset_in_memory) *offset_in_memory += type_memsize(type, &align); /* FIXME: is there a case where these two are different? */ align = 0; if (offset_in_buffer) *offset_in_buffer += type_memsize(type, &align); } return written; } /* Note: if file is NULL return value is number of pointers to write, else * it is the number of type format characters written */ static int write_fixed_array_pointer_descriptions( FILE *file, const attr_list_t *attrs, type_t *type, size_t *offset_in_memory, size_t *offset_in_buffer, unsigned int *typestring_offset) { unsigned int align; int pointer_count = 0; if (type->type == RPC_FC_SMFARRAY || type->type == RPC_FC_LGFARRAY) { unsigned int temp = 0; /* unfortunately, this needs to be done in two passes to avoid * writing out redundant FC_FIXED_REPEAT descriptions */ pointer_count = write_pointer_description_offsets( NULL, attrs, type->ref, NULL, NULL, &temp); if (pointer_count > 0) { unsigned int increment_size; size_t offset_of_array_pointer_mem = 0; size_t offset_of_array_pointer_buf = 0; align = 0; increment_size = type_memsize(type->ref, &align); print_file(file, 2, "0x%02x, /* FC_FIXED_REPEAT */\n", RPC_FC_FIXED_REPEAT); print_file(file, 2, "0x%02x, /* FC_PAD */\n", RPC_FC_PAD); print_file(file, 2, "NdrFcShort(0x%x), /* Iterations = %d */\n", type->dim, type->dim); print_file(file, 2, "NdrFcShort(0x%x), /* Increment = %d */\n", increment_size, increment_size); print_file(file, 2, "NdrFcShort(0x%x), /* Offset to array = %d */\n", *offset_in_memory, *offset_in_memory); print_file(file, 2, "NdrFcShort(0x%x), /* Number of pointers = %d */\n", pointer_count, pointer_count); *typestring_offset += 10; pointer_count = write_pointer_description_offsets( file, attrs, type, &offset_of_array_pointer_mem, &offset_of_array_pointer_buf, typestring_offset); } } else if (is_struct(type->type)) { const var_t *v; LIST_FOR_EACH_ENTRY( v, type->fields, const var_t, entry ) { pointer_count += write_fixed_array_pointer_descriptions( file, v->attrs, v->type, offset_in_memory, offset_in_buffer, typestring_offset); } } else { align = 0; if (offset_in_memory) *offset_in_memory += type_memsize(type, &align); /* FIXME: is there a case where these two are different? */ align = 0; if (offset_in_buffer) *offset_in_buffer += type_memsize(type, &align); } return pointer_count; } /* Note: if file is NULL return value is number of pointers to write, else * it is the number of type format characters written */ static int write_conformant_array_pointer_descriptions( FILE *file, const attr_list_t *attrs, type_t *type, size_t *offset_in_memory, size_t *offset_in_buffer, unsigned int *typestring_offset) { unsigned int align; int pointer_count = 0; if (is_conformant_array(type) && !type->length_is) { unsigned int temp = 0; /* unfortunately, this needs to be done in two passes to avoid * writing out redundant FC_VARIABLE_REPEAT descriptions */ pointer_count = write_pointer_description_offsets( NULL, attrs, type->ref, NULL, NULL, &temp); if (pointer_count > 0) { unsigned int increment_size; size_t offset_of_array_pointer_mem = 0; size_t offset_of_array_pointer_buf = 0; align = 0; increment_size = type_memsize(type->ref, &align); if (increment_size > USHRT_MAX) error("array size of %u bytes is too large\n", increment_size); print_file(file, 2, "0x%02x, /* FC_VARIABLE_REPEAT */\n", RPC_FC_VARIABLE_REPEAT); print_file(file, 2, "0x%02x, /* FC_FIXED_OFFSET */\n", RPC_FC_FIXED_OFFSET); print_file(file, 2, "NdrFcShort(0x%x), /* Increment = %d */\n", increment_size, increment_size); print_file(file, 2, "NdrFcShort(0x%x), /* Offset to array = %d */\n", *offset_in_memory, *offset_in_memory); print_file(file, 2, "NdrFcShort(0x%x), /* Number of pointers = %d */\n", pointer_count, pointer_count); *typestring_offset += 8; pointer_count = write_pointer_description_offsets( file, attrs, type->ref, &offset_of_array_pointer_mem, &offset_of_array_pointer_buf, typestring_offset); } } else if (is_struct(type->type)) { const var_t *v; LIST_FOR_EACH_ENTRY( v, type->fields, const var_t, entry ) { pointer_count += write_conformant_array_pointer_descriptions( file, v->attrs, v->type, offset_in_memory, offset_in_buffer, typestring_offset); } } else { align = 0; if (offset_in_memory) *offset_in_memory += type_memsize(type, &align); /* FIXME: is there a case where these two are different? */ align = 0; if (offset_in_buffer) *offset_in_buffer += type_memsize(type, &align); } return pointer_count; } /* Note: if file is NULL return value is number of pointers to write, else * it is the number of type format characters written */ static int write_varying_array_pointer_descriptions( FILE *file, const attr_list_t *attrs, type_t *type, size_t *offset_in_memory, size_t *offset_in_buffer, unsigned int *typestring_offset) { unsigned int align; int pointer_count = 0; /* FIXME: do varying array searching here, but pointer searching in write_pointer_description_offsets */ if (is_array(type) && type->length_is) { unsigned int temp = 0; /* unfortunately, this needs to be done in two passes to avoid * writing out redundant FC_VARIABLE_REPEAT descriptions */ pointer_count = write_pointer_description_offsets( NULL, attrs, type->ref, NULL, NULL, &temp); if (pointer_count > 0) { unsigned int increment_size; size_t offset_of_array_pointer_mem = 0; size_t offset_of_array_pointer_buf = 0; align = 0; increment_size = type_memsize(type->ref, &align); if (increment_size > USHRT_MAX) error("array size of %u bytes is too large\n", increment_size); print_file(file, 2, "0x%02x, /* FC_VARIABLE_REPEAT */\n", RPC_FC_VARIABLE_REPEAT); print_file(file, 2, "0x%02x, /* FC_VARIABLE_OFFSET */\n", RPC_FC_VARIABLE_OFFSET); print_file(file, 2, "NdrFcShort(0x%x), /* Increment = %d */\n", increment_size, increment_size); print_file(file, 2, "NdrFcShort(0x%x), /* Offset to array = %d */\n", *offset_in_memory, *offset_in_memory); print_file(file, 2, "NdrFcShort(0x%x), /* Number of pointers = %d */\n", pointer_count, pointer_count); *typestring_offset += 8; pointer_count = write_pointer_description_offsets( file, attrs, type, &offset_of_array_pointer_mem, &offset_of_array_pointer_buf, typestring_offset); } } else if (is_struct(type->type)) { const var_t *v; LIST_FOR_EACH_ENTRY( v, type->fields, const var_t, entry ) { pointer_count += write_varying_array_pointer_descriptions( file, v->attrs, v->type, offset_in_memory, offset_in_buffer, typestring_offset); } } else { align = 0; if (offset_in_memory) *offset_in_memory += type_memsize(type, &align); /* FIXME: is there a case where these two are different? */ align = 0; if (offset_in_buffer) *offset_in_buffer += type_memsize(type, &align); } return pointer_count; } static void write_pointer_description(FILE *file, type_t *type, unsigned int *typestring_offset) { size_t offset_in_buffer; size_t offset_in_memory; /* pass 1: search for single instance of a pointer (i.e. don't descend * into arrays) */ offset_in_memory = 0; offset_in_buffer = 0; write_no_repeat_pointer_descriptions( file, type, &offset_in_memory, &offset_in_buffer, typestring_offset); /* pass 2: search for pointers in fixed arrays */ offset_in_memory = 0; offset_in_buffer = 0; write_fixed_array_pointer_descriptions( file, NULL, type, &offset_in_memory, &offset_in_buffer, typestring_offset); /* pass 3: search for pointers in conformant only arrays (but don't descend * into conformant varying or varying arrays) */ offset_in_memory = 0; offset_in_buffer = 0; write_conformant_array_pointer_descriptions( file, NULL, type, &offset_in_memory, &offset_in_buffer, typestring_offset); /* pass 4: search for pointers in varying arrays */ offset_in_memory = 0; offset_in_buffer = 0; write_varying_array_pointer_descriptions( file, NULL, type, &offset_in_memory, &offset_in_buffer, typestring_offset); } static size_t write_string_tfs(FILE *file, const attr_list_t *attrs, const type_t *type, const char *name, unsigned int *typestring_offset) { size_t start_offset = *typestring_offset; unsigned char flags = 0; int pointer_type; unsigned char rtype; if (is_ptr(type)) { pointer_type = type->type; type = type->ref; } else pointer_type = get_attrv(attrs, ATTR_POINTERTYPE); if (!pointer_type) pointer_type = RPC_FC_RP; if (!get_attrp(attrs, ATTR_SIZEIS)) flags |= RPC_FC_P_SIMPLEPOINTER; rtype = type->type; if ((rtype != RPC_FC_BYTE) && (rtype != RPC_FC_CHAR) && (rtype != RPC_FC_WCHAR)) { error("write_string_tfs: Unimplemented for type 0x%x of name: %s\n", rtype, name); return start_offset; } print_file(file, 2,"0x%x, 0x%x, /* %s%s */\n", pointer_type, flags, pointer_type == RPC_FC_FP ? "FC_FP" : (pointer_type == RPC_FC_UP ? "FC_UP" : "FC_RP"), (flags & RPC_FC_P_SIMPLEPOINTER) ? " [simple_pointer]" : ""); *typestring_offset += 2; if (!(flags & RPC_FC_P_SIMPLEPOINTER)) { print_file(file, 2, "NdrFcShort(0x2),\n"); *typestring_offset += 2; } if (type->declarray && !is_conformant_array(type)) { /* FIXME: multi-dimensional array */ if (0xffffuL < type->dim) error("array size for parameter %s exceeds %u bytes by %lu bytes\n", name, 0xffffu, type->dim - 0xffffu); if (rtype == RPC_FC_CHAR) WRITE_FCTYPE(file, FC_CSTRING, *typestring_offset); else WRITE_FCTYPE(file, FC_WSTRING, *typestring_offset); print_file(file, 2, "0x%x, /* FC_PAD */\n", RPC_FC_PAD); *typestring_offset += 2; print_file(file, 2, "NdrFcShort(0x%x), /* %d */\n", type->dim, type->dim); *typestring_offset += 2; return start_offset; } else if (type->size_is) { unsigned int align = 0; if (rtype == RPC_FC_CHAR) WRITE_FCTYPE(file, FC_C_CSTRING, *typestring_offset); else WRITE_FCTYPE(file, FC_C_WSTRING, *typestring_offset); print_file(file, 2, "0x%x, /* FC_STRING_SIZED */\n", RPC_FC_STRING_SIZED); *typestring_offset += 2; *typestring_offset += write_conf_or_var_desc( file, current_func, current_structure, (type->declarray && current_structure ? type_memsize(current_structure, &align) : 0), type->size_is); return start_offset; } else { if (rtype == RPC_FC_CHAR) WRITE_FCTYPE(file, FC_C_CSTRING, *typestring_offset); else WRITE_FCTYPE(file, FC_C_WSTRING, *typestring_offset); print_file(file, 2, "0x%x, /* FC_PAD */\n", RPC_FC_PAD); *typestring_offset += 2; return start_offset; } } static size_t write_array_tfs(FILE *file, const attr_list_t *attrs, type_t *type, const char *name, unsigned int *typestring_offset) { const expr_t *length_is = type->length_is; const expr_t *size_is = type->size_is; unsigned int align = 0; size_t size; size_t start_offset; int has_pointer; int pointer_type = get_attrv(attrs, ATTR_POINTERTYPE); if (!pointer_type) pointer_type = RPC_FC_RP; has_pointer = FALSE; if (write_embedded_types(file, attrs, type->ref, name, FALSE, typestring_offset)) has_pointer = TRUE; size = type_memsize(type, &align); if (size == 0) /* conformant array */ size = type_memsize(type->ref, &align); start_offset = *typestring_offset; update_tfsoff(type, start_offset, file); print_file(file, 0, "/* %lu */\n", start_offset); print_file(file, 2, "0x%02x,\t/* %s */\n", type->type, string_of_type(type->type)); print_file(file, 2, "0x%x,\t/* %d */\n", align - 1, align - 1); *typestring_offset += 2; align = 0; if (type->type != RPC_FC_BOGUS_ARRAY) { unsigned char tc = type->type; unsigned int baseoff = type->declarray && current_structure ? type_memsize(current_structure, &align) : 0; if (tc == RPC_FC_LGFARRAY || tc == RPC_FC_LGVARRAY) { print_file(file, 2, "NdrFcLong(0x%x),\t/* %lu */\n", size, size); *typestring_offset += 4; } else { print_file(file, 2, "NdrFcShort(0x%x),\t/* %lu */\n", size, size); *typestring_offset += 2; } if (is_conformant_array(type)) *typestring_offset += write_conf_or_var_desc(file, current_func, current_structure, baseoff, size_is); if (type->type == RPC_FC_SMVARRAY || type->type == RPC_FC_LGVARRAY) { unsigned int elalign = 0; size_t elsize = type_memsize(type->ref, &elalign); if (type->type == RPC_FC_LGVARRAY) { print_file(file, 2, "NdrFcLong(0x%x),\t/* %lu */\n", type->dim, type->dim); *typestring_offset += 4; } else { print_file(file, 2, "NdrFcShort(0x%x),\t/* %lu */\n", type->dim, type->dim); *typestring_offset += 2; } print_file(file, 2, "NdrFcShort(0x%x),\t/* %lu */\n", elsize, elsize); *typestring_offset += 2; } if (length_is) *typestring_offset += write_conf_or_var_desc(file, current_func, current_structure, baseoff, length_is); if (has_pointer) { print_file(file, 2, "0x%x, /* FC_PP */\n", RPC_FC_PP); print_file(file, 2, "0x%x, /* FC_PAD */\n", RPC_FC_PAD); *typestring_offset += 2; write_pointer_description(file, type, typestring_offset); print_file(file, 2, "0x%x, /* FC_END */\n", RPC_FC_END); *typestring_offset += 1; } write_member_type(file, type->ref, NULL, NULL, typestring_offset); write_end(file, typestring_offset); } else error("%s: complex arrays unimplemented\n", name); return start_offset; } static const var_t *find_array_or_string_in_struct(const type_t *type) { const var_t *last_field = LIST_ENTRY( list_tail(type->fields), const var_t, entry ); const type_t *ft = last_field->type; if (ft->declarray && is_conformant_array(ft)) return last_field; if (ft->type == RPC_FC_CSTRUCT || ft->type == RPC_FC_CPSTRUCT || ft->type == RPC_FC_CVSTRUCT) return find_array_or_string_in_struct(last_field->type); else return NULL; } static void write_struct_members(FILE *file, const type_t *type, unsigned int *corroff, unsigned int *typestring_offset) { const var_t *field; if (type->fields) LIST_FOR_EACH_ENTRY( field, type->fields, const var_t, entry ) { type_t *ft = field->type; if (!ft->declarray || !is_conformant_array(ft)) write_member_type(file, ft, field, corroff, typestring_offset); } write_end(file, typestring_offset); } static size_t write_struct_tfs(FILE *file, type_t *type, const char *name, unsigned int *tfsoff) { const type_t *save_current_structure = current_structure; unsigned int total_size; const var_t *array; size_t start_offset; size_t array_offset; int has_pointers = 0; unsigned int align = 0; unsigned int corroff; var_t *f; guard_rec(type); current_structure = type; total_size = type_memsize(type, &align); if (total_size > USHRT_MAX) error("structure size for %s exceeds %d bytes by %d bytes\n", name, USHRT_MAX, total_size - USHRT_MAX); if (type->fields) LIST_FOR_EACH_ENTRY(f, type->fields, var_t, entry) has_pointers |= write_embedded_types(file, f->attrs, f->type, f->name, FALSE, tfsoff); array = find_array_or_string_in_struct(type); if (array && !processed(array->type)) array_offset = is_attr(array->attrs, ATTR_STRING) ? write_string_tfs(file, array->attrs, array->type, array->name, tfsoff) : write_array_tfs(file, array->attrs, array->type, array->name, tfsoff); corroff = *tfsoff; write_descriptors(file, type, tfsoff); start_offset = *tfsoff; update_tfsoff(type, start_offset, file); print_file(file, 0, "/* %d */\n", start_offset); print_file(file, 2, "0x%x,\t/* %s */\n", type->type, string_of_type(type->type)); print_file(file, 2, "0x%x,\t/* %d */\n", align - 1, align - 1); print_file(file, 2, "NdrFcShort(0x%x),\t/* %d */\n", total_size, total_size); *tfsoff += 4; if (array) { unsigned int absoff = array->type->typestring_offset; short reloff = absoff - *tfsoff; print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset= %hd (%lu) */\n", reloff, reloff, absoff); *tfsoff += 2; } else if (type->type == RPC_FC_BOGUS_STRUCT) { print_file(file, 2, "NdrFcShort(0x0),\n"); *tfsoff += 2; } if (type->type == RPC_FC_BOGUS_STRUCT) { print_file(file, 2, "NdrFcShort(0x0),\t/* FIXME: pointer stuff */\n"); *tfsoff += 2; } else if ((type->type == RPC_FC_PSTRUCT) || (type->type == RPC_FC_CPSTRUCT) || (type->type == RPC_FC_CVSTRUCT && has_pointers)) { print_file(file, 2, "0x%x, /* FC_PP */\n", RPC_FC_PP); print_file(file, 2, "0x%x, /* FC_PAD */\n", RPC_FC_PAD); *tfsoff += 2; write_pointer_description(file, type, tfsoff); print_file(file, 2, "0x%x, /* FC_END */\n", RPC_FC_END); *tfsoff += 1; } write_struct_members(file, type, &corroff, tfsoff); current_structure = save_current_structure; return start_offset; } static size_t write_pointer_only_tfs(FILE *file, const attr_list_t *attrs, int pointer_type, unsigned char flags, size_t offset, unsigned int *typeformat_offset) { size_t start_offset = *typeformat_offset; short reloff = offset - (*typeformat_offset + 2); int in_attr, out_attr; in_attr = is_attr(attrs, ATTR_IN); out_attr = is_attr(attrs, ATTR_OUT); if (!in_attr && !out_attr) in_attr = 1; if (out_attr && !in_attr && pointer_type == RPC_FC_RP) flags |= 0x04; print_file(file, 2, "0x%x, 0x%x,\t\t/* %s", pointer_type, flags, string_of_type(pointer_type)); if (file) { if (flags & 0x04) fprintf(file, " [allocated_on_stack]"); if (flags & 0x10) fprintf(file, " [pointer_deref]"); fprintf(file, " */\n"); } print_file(file, 2, "NdrFcShort(0x%x),\t/* %d */\n", reloff, offset); *typeformat_offset += 4; return start_offset; } static void write_branch_type(FILE *file, const type_t *t, unsigned int *tfsoff) { if (t == NULL) { print_file(file, 2, "NdrFcShort(0x0),\t/* No type */\n"); } else if (is_base_type(t->type)) { print_file(file, 2, "NdrFcShort(0x80%02x),\t/* Simple arm type: %s */\n", t->type, string_of_type(t->type)); } else if (t->typestring_offset) { short reloff = t->typestring_offset - *tfsoff; print_file(file, 2, "NdrFcShort(0x%x),\t/* Offset= %d (%d) */\n", reloff, reloff, t->typestring_offset); } else error("write_branch_type: type unimplemented (0x%x)\n", t->type); *tfsoff += 2; } static size_t write_union_tfs(FILE *file, type_t *type, unsigned int *tfsoff) { unsigned int align = 0; unsigned int start_offset; size_t size = type_memsize(type, &align); var_list_t *fields; size_t nbranch = 0; type_t *deftype = NULL; short nodeftype = 0xffff; var_t *f; guard_rec(type); if (type->type == RPC_FC_ENCAPSULATED_UNION) { const var_t *uv = LIST_ENTRY(list_tail(type->fields), const var_t, entry); fields = uv->type->fields; } else fields = type->fields; if (fields) LIST_FOR_EACH_ENTRY(f, fields, var_t, entry) { expr_list_t *cases = get_attrp(f->attrs, ATTR_CASE); if (cases) nbranch += list_count(cases); if (f->type) write_embedded_types(file, f->attrs, f->type, f->name, TRUE, tfsoff); } start_offset = *tfsoff; update_tfsoff(type, start_offset, file); print_file(file, 0, "/* %d */\n", start_offset); if (type->type == RPC_FC_ENCAPSULATED_UNION) { const var_t *sv = LIST_ENTRY(list_head(type->fields), const var_t, entry); const type_t *st = sv->type; size_t ss = type_memsize(st, &align); print_file(file, 2, "0x%x,\t/* %s */\n", type->type, string_of_type(type->type)); print_file(file, 2, "0x%x,\t/* Switch type= %s */\n", (ss << 4) | st->type, string_of_type(st->type)); *tfsoff += 2; } print_file(file, 2, "NdrFcShort(0x%x),\t/* %d */\n", size, size); print_file(file, 2, "NdrFcShort(0x%x),\t/* %d */\n", nbranch, nbranch); *tfsoff += 4; if (fields) LIST_FOR_EACH_ENTRY(f, fields, var_t, entry) { type_t *ft = f->type; expr_list_t *cases = get_attrp(f->attrs, ATTR_CASE); int deflt = is_attr(f->attrs, ATTR_DEFAULT); expr_t *c; if (cases == NULL && !deflt) error("union field %s with neither case nor default attribute\n", f->name); if (cases) LIST_FOR_EACH_ENTRY(c, cases, expr_t, entry) { /* MIDL doesn't check for duplicate cases, even though that seems like a reasonable thing to do, it just dumps them to the TFS like we're going to do here. */ print_file(file, 2, "NdrFcLong(0x%x),\t/* %d */\n", c->cval, c->cval); *tfsoff += 4; write_branch_type(file, ft, tfsoff); } /* MIDL allows multiple default branches, even though that seems illogical, it just chooses the last one, which is what we will do. */ if (deflt) { deftype = ft; nodeftype = 0; } } if (deftype) { write_branch_type(file, deftype, tfsoff); } else { print_file(file, 2, "NdrFcShort(0x%x),\n", nodeftype); *tfsoff += 2; } return start_offset; } static size_t write_ip_tfs(FILE *file, const func_t *func, const attr_list_t *attrs, type_t *type, unsigned int *typeformat_offset) { size_t i; size_t start_offset = *typeformat_offset; const var_t *iid = get_attrp(attrs, ATTR_IIDIS); if (iid) { expr_t expr; expr.type = EXPR_IDENTIFIER; expr.ref = NULL; expr.u.sval = iid->name; expr.is_const = FALSE; print_file(file, 2, "0x2f, /* FC_IP */\n"); print_file(file, 2, "0x5c, /* FC_PAD */\n"); *typeformat_offset += write_conf_or_var_desc(file, func, NULL, 0, &expr) + 2; } else { const type_t *base = is_ptr(type) ? type->ref : type; const UUID *uuid = get_attrp(base->attrs, ATTR_UUID); if (! uuid) error("%s: interface %s missing UUID\n", __FUNCTION__, base->name); update_tfsoff(type, start_offset, file); print_file(file, 0, "/* %d */\n", start_offset); print_file(file, 2, "0x2f,\t/* FC_IP */\n"); print_file(file, 2, "0x5a,\t/* FC_CONSTANT_IID */\n"); print_file(file, 2, "NdrFcLong(0x%08lx),\n", uuid->Data1); print_file(file, 2, "NdrFcShort(0x%04x),\n", uuid->Data2); print_file(file, 2, "NdrFcShort(0x%04x),\n", uuid->Data3); for (i = 0; i < 8; ++i) print_file(file, 2, "0x%02x,\n", uuid->Data4[i]); if (file) fprintf(file, "\n"); *typeformat_offset += 18; } return start_offset; } static int get_ptr_attr(const type_t *t, int def_type) { while (TRUE) { int ptr_attr = get_attrv(t->attrs, ATTR_POINTERTYPE); if (ptr_attr) return ptr_attr; if (t->kind != TKIND_ALIAS) return def_type; t = t->orig; } } static size_t write_typeformatstring_var(FILE *file, int indent, const func_t *func, type_t *type, const var_t *var, unsigned int *typeformat_offset) { int pointer_type; size_t offset; if (is_user_type(type)) { write_user_tfs(file, type, typeformat_offset); return type->typestring_offset; } if (type == var->type) /* top-level pointers */ { int pointer_attr = get_attrv(var->attrs, ATTR_POINTERTYPE); if (pointer_attr != 0 && !is_ptr(type) && !is_array(type)) error("'%s': pointer attribute applied to non-pointer type\n", var->name); if (pointer_attr == 0) pointer_attr = get_ptr_attr(type, RPC_FC_RP); pointer_type = pointer_attr; } else pointer_type = get_ptr_attr(type, RPC_FC_UP); if ((last_ptr(type) || last_array(type)) && is_ptrchain_attr(var, ATTR_STRING)) return write_string_tfs(file, var->attrs, type, var->name, typeformat_offset); if (is_array(type)) return write_array_tfs(file, var->attrs, type, var->name, typeformat_offset); if (!is_ptr(type)) { /* basic types don't need a type format string */ if (is_base_type(type->type)) return 0; switch (type->type) { case RPC_FC_STRUCT: case RPC_FC_PSTRUCT: case RPC_FC_CSTRUCT: case RPC_FC_CPSTRUCT: case RPC_FC_CVSTRUCT: case RPC_FC_BOGUS_STRUCT: return write_struct_tfs(file, type, var->name, typeformat_offset); case RPC_FC_ENCAPSULATED_UNION: case RPC_FC_NON_ENCAPSULATED_UNION: return write_union_tfs(file, type, typeformat_offset); case RPC_FC_IGNORE: case RPC_FC_BIND_PRIMITIVE: /* nothing to do */ return 0; default: error("write_typeformatstring_var: Unsupported type 0x%x for variable %s\n", type->type, var->name); } } else if (last_ptr(type)) { size_t start_offset = *typeformat_offset; int in_attr = is_attr(var->attrs, ATTR_IN); int out_attr = is_attr(var->attrs, ATTR_OUT); const type_t *base = type->ref; if (base->type == RPC_FC_IP) { return write_ip_tfs(file, func, var->attrs, type, typeformat_offset); } /* special case for pointers to base types */ if (is_base_type(base->type)) { print_file(file, indent, "0x%x, 0x%x, /* %s %s[simple_pointer] */\n", pointer_type, (!in_attr && out_attr) ? 0x0C : 0x08, string_of_type(pointer_type), (!in_attr && out_attr) ? "[allocated_on_stack] " : ""); print_file(file, indent, "0x%02x, /* %s */\n", base->type, string_of_type(base->type)); print_file(file, indent, "0x5c, /* FC_PAD */\n"); *typeformat_offset += 4; return start_offset; } } assert(is_ptr(type)); offset = write_typeformatstring_var(file, indent, func, type->ref, var, typeformat_offset); if (file) fprintf(file, "/* %2u */\n", *typeformat_offset); return write_pointer_only_tfs(file, var->attrs, pointer_type, !last_ptr(type) ? 0x10 : 0, offset, typeformat_offset); } static void set_tfswrite(type_t *type, int val) { while (type->tfswrite != val) { type_t *utype = get_user_type(type, NULL); type->tfswrite = val; if (utype) set_tfswrite(utype, val); if (type->kind == TKIND_ALIAS) type = type->orig; else if (is_ptr(type) || is_array(type)) type = type->ref; else { if (type->fields) { var_t *v; LIST_FOR_EACH_ENTRY( v, type->fields, var_t, entry ) if (v->type) set_tfswrite(v->type, val); } return; } } } static int write_embedded_types(FILE *file, const attr_list_t *attrs, type_t *type, const char *name, int write_ptr, unsigned int *tfsoff) { int retmask = 0; if (is_user_type(type)) { write_user_tfs(file, type, tfsoff); } else if (is_ptr(type)) { type_t *ref = type->ref; if (ref->type == RPC_FC_IP) { write_ip_tfs(file, NULL, attrs, type, tfsoff); } else { if (!processed(ref) && !is_base_type(ref->type)) retmask |= write_embedded_types(file, NULL, ref, name, TRUE, tfsoff); if (write_ptr) write_pointer_tfs(file, type, tfsoff); retmask |= 1; } } else if (type->declarray && is_conformant_array(type)) ; /* conformant arrays and strings are handled specially */ else if (is_array(type)) { write_array_tfs(file, attrs, type, name, tfsoff); } else if (is_struct(type->type)) { if (!processed(type)) write_struct_tfs(file, type, name, tfsoff); } else if (is_union(type->type)) { if (!processed(type)) write_union_tfs(file, type, tfsoff); } else if (!is_base_type(type->type)) error("write_embedded_types: unknown embedded type for %s (0x%x)\n", name, type->type); return retmask; } static void set_all_tfswrite(const ifref_list_t *ifaces, int val) { const ifref_t * iface; const func_t *func; const var_t *var; if (ifaces) LIST_FOR_EACH_ENTRY( iface, ifaces, const ifref_t, entry ) if (iface->iface->funcs) LIST_FOR_EACH_ENTRY( func, iface->iface->funcs, const func_t, entry ) if (func->args) LIST_FOR_EACH_ENTRY( var, func->args, const var_t, entry ) set_tfswrite(var->type, val); } static size_t process_tfs(FILE *file, const ifref_list_t *ifaces, int for_objects) { const var_t *var; const ifref_t *iface; unsigned int typeformat_offset = 2; if (ifaces) LIST_FOR_EACH_ENTRY( iface, ifaces, const ifref_t, entry ) { if (for_objects != is_object(iface->iface->attrs) || is_local(iface->iface->attrs)) continue; if (iface->iface->funcs) { const func_t *func; LIST_FOR_EACH_ENTRY( func, iface->iface->funcs, const func_t, entry ) { if (is_local(func->def->attrs)) continue; current_func = func; if (func->args) LIST_FOR_EACH_ENTRY( var, func->args, const var_t, entry ) update_tfsoff( var->type, write_typeformatstring_var( file, 2, func, var->type, var, &typeformat_offset), file); } } } return typeformat_offset + 1; } void write_typeformatstring(FILE *file, const ifref_list_t *ifaces, int for_objects) { int indent = 0; print_file(file, indent, "static const MIDL_TYPE_FORMAT_STRING __MIDL_TypeFormatString =\n"); print_file(file, indent, "{\n"); indent++; print_file(file, indent, "0,\n"); print_file(file, indent, "{\n"); indent++; print_file(file, indent, "NdrFcShort(0x0),\n"); set_all_tfswrite(ifaces, TRUE); process_tfs(file, ifaces, for_objects); print_file(file, indent, "0x0\n"); indent--; print_file(file, indent, "}\n"); indent--; print_file(file, indent, "};\n"); print_file(file, indent, "\n"); } static unsigned int get_required_buffer_size_type( const type_t *type, const char *name, unsigned int *alignment) { size_t size = 0; *alignment = 0; if (is_user_type(type)) { const char *uname; const type_t *utype = get_user_type(type, &uname); size = get_required_buffer_size_type(utype, uname, alignment); } else if (!is_ptr(type)) { switch (type->type) { case RPC_FC_BYTE: case RPC_FC_CHAR: case RPC_FC_USMALL: case RPC_FC_SMALL: *alignment = 4; size = 1; break; case RPC_FC_WCHAR: case RPC_FC_USHORT: case RPC_FC_SHORT: case RPC_FC_ENUM16: *alignment = 4; size = 2; break; case RPC_FC_ULONG: case RPC_FC_LONG: case RPC_FC_ENUM32: case RPC_FC_FLOAT: case RPC_FC_ERROR_STATUS_T: *alignment = 4; size = 4; break; case RPC_FC_HYPER: case RPC_FC_DOUBLE: *alignment = 8; size = 8; break; case RPC_FC_IGNORE: case RPC_FC_BIND_PRIMITIVE: return 0; case RPC_FC_STRUCT: case RPC_FC_PSTRUCT: { const var_t *field; if (!type->fields) return 0; LIST_FOR_EACH_ENTRY( field, type->fields, const var_t, entry ) { unsigned int alignment; size += get_required_buffer_size_type(field->type, field->name, &alignment); } break; } case RPC_FC_RP: if (is_base_type( type->ref->type ) || type->ref->type == RPC_FC_STRUCT) size = get_required_buffer_size_type( type->ref, name, alignment ); break; case RPC_FC_SMFARRAY: case RPC_FC_LGFARRAY: size = type->dim * get_required_buffer_size_type(type->ref, name, alignment); break; case RPC_FC_SMVARRAY: case RPC_FC_LGVARRAY: get_required_buffer_size_type(type->ref, name, alignment); size = 0; break; case RPC_FC_CARRAY: case RPC_FC_CVARRAY: get_required_buffer_size_type(type->ref, name, alignment); size = sizeof(void *); break; default: error("get_required_buffer_size: Unknown/unsupported type: %s (0x%02x)\n", name, type->type); return 0; } } return size; } static unsigned int get_required_buffer_size(const var_t *var, unsigned int *alignment, enum pass pass) { 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; *alignment = 0; if (pass == PASS_OUT) { if (out_attr && is_ptr(var->type)) { type_t *type = var->type; if (type->type == RPC_FC_STRUCT) { const var_t *field; unsigned int size = 36; if (!type->fields) return size; LIST_FOR_EACH_ENTRY( field, type->fields, const var_t, entry ) { unsigned int align; size += get_required_buffer_size_type( field->type, field->name, &align); } return size; } } return 0; } else { if ((!out_attr || in_attr) && !var->type->size_is && !is_attr(var->attrs, ATTR_STRING) && !var->type->declarray) { if (is_ptr(var->type)) { type_t *type = var->type; if (is_base_type(type->type)) { return 25; } else if (type->type == RPC_FC_STRUCT) { unsigned int size = 36; const var_t *field; if (!type->fields) return size; LIST_FOR_EACH_ENTRY( field, type->fields, const var_t, entry ) { unsigned int align; size += get_required_buffer_size_type( field->type, field->name, &align); } return size; } } } return get_required_buffer_size_type(var->type, var->name, alignment); } } static unsigned int get_function_buffer_size( const func_t *func, enum pass pass ) { const var_t *var; unsigned int total_size = 0, alignment; if (func->args) { LIST_FOR_EACH_ENTRY( var, func->args, const var_t, entry ) { total_size += get_required_buffer_size(var, &alignment, pass); total_size += alignment; } } if (pass == PASS_OUT && !is_void(func->def->type)) { total_size += get_required_buffer_size(func->def, &alignment, PASS_RETURN); total_size += alignment; } return total_size; } static void print_phase_function(FILE *file, int indent, const char *type, enum remoting_phase phase, const var_t *var, unsigned int type_offset) { const char *function; switch (phase) { case PHASE_BUFFERSIZE: function = "BufferSize"; break; case PHASE_MARSHAL: function = "Marshall"; break; case PHASE_UNMARSHAL: function = "Unmarshall"; break; case PHASE_FREE: function = "Free"; break; default: assert(0); return; } print_file(file, indent, "Ndr%s%s(\n", type, function); indent++; print_file(file, indent, "&_StubMsg,\n"); print_file(file, indent, "%s%s%s%s,\n", (phase == PHASE_UNMARSHAL) ? "(unsigned char **)" : "(unsigned char *)", (phase == PHASE_UNMARSHAL || decl_indirect(var->type)) ? "&" : "", (phase == PHASE_UNMARSHAL && decl_indirect(var->type)) ? "_p_" : "", var->name); print_file(file, indent, "(PFORMAT_STRING)&__MIDL_TypeFormatString.Format[%d]%s\n", type_offset, (phase == PHASE_UNMARSHAL) ? "," : ");"); if (phase == PHASE_UNMARSHAL) print_file(file, indent, "0);\n"); indent--; } void print_phase_basetype(FILE *file, int indent, enum remoting_phase phase, enum pass pass, const var_t *var, const char *varname) { type_t *type = var->type; unsigned int size; unsigned int alignment = 0; unsigned char rtype; /* no work to do for other phases, buffer sizing is done elsewhere */ if (phase != PHASE_MARSHAL && phase != PHASE_UNMARSHAL) return; rtype = is_ptr(type) ? type->ref->type : type->type; switch (rtype) { case RPC_FC_BYTE: case RPC_FC_CHAR: case RPC_FC_SMALL: case RPC_FC_USMALL: size = 1; alignment = 1; break; case RPC_FC_WCHAR: case RPC_FC_USHORT: case RPC_FC_SHORT: case RPC_FC_ENUM16: size = 2; alignment = 2; break; case RPC_FC_ULONG: case RPC_FC_LONG: case RPC_FC_ENUM32: case RPC_FC_FLOAT: case RPC_FC_ERROR_STATUS_T: size = 4; alignment = 4; break; case RPC_FC_HYPER: case RPC_FC_DOUBLE: size = 8; alignment = 8; break; case RPC_FC_IGNORE: case RPC_FC_BIND_PRIMITIVE: /* no marshalling needed */ return; default: error("print_phase_basetype: Unsupported type: %s (0x%02x, ptr_level: 0)\n", var->name, rtype); size = 0; } print_file(file, indent, "_StubMsg.Buffer = (unsigned char *)(((long)_StubMsg.Buffer + %u) & ~0x%x);\n", alignment - 1, alignment - 1); if (phase == PHASE_MARSHAL) { print_file(file, indent, "*("); write_type(file, is_ptr(type) ? type->ref : type, FALSE, NULL); if (is_ptr(type)) fprintf(file, " *)_StubMsg.Buffer = *"); else fprintf(file, " *)_StubMsg.Buffer = "); fprintf(file, varname); fprintf(file, ";\n"); } else if (phase == PHASE_UNMARSHAL) { if (pass == PASS_IN || pass == PASS_RETURN) print_file(file, indent, ""); else print_file(file, indent, "*"); fprintf(file, varname); if (pass == PASS_IN && is_ptr(type)) fprintf(file, " = ("); else fprintf(file, " = *("); write_type(file, is_ptr(type) ? type->ref : type, FALSE, NULL); fprintf(file, " *)_StubMsg.Buffer;\n"); } print_file(file, indent, "_StubMsg.Buffer += sizeof("); write_type(file, var->type, FALSE, NULL); fprintf(file, ");\n"); } /* returns whether the MaxCount, Offset or ActualCount members need to be * filled in for the specified phase */ static inline int is_size_needed_for_phase(enum remoting_phase phase) { return (phase != PHASE_UNMARSHAL); } void write_remoting_arguments(FILE *file, int indent, const func_t *func, enum pass pass, enum remoting_phase phase) { int in_attr, out_attr, pointer_type; const var_t *var; if (!func->args) return; if (phase == PHASE_BUFFERSIZE) { unsigned int size = get_function_buffer_size( func, pass ); print_file(file, indent, "_StubMsg.BufferLength = %u;\n", size); } LIST_FOR_EACH_ENTRY( var, func->args, const var_t, entry ) { const type_t *type = var->type; unsigned char rtype; size_t start_offset = type->typestring_offset; pointer_type = get_attrv(var->attrs, ATTR_POINTERTYPE); if (!pointer_type) pointer_type = RPC_FC_RP; in_attr = is_attr(var->attrs, ATTR_IN); 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; } rtype = type->type; if (is_user_type(var->type)) { print_phase_function(file, indent, "UserMarshal", phase, var, start_offset); } else if (is_string_type(var->attrs, var->type)) { if (is_array(type) && !is_conformant_array(type)) print_phase_function(file, indent, "NonConformantString", phase, var, start_offset); else { if (type->size_is && is_size_needed_for_phase(phase)) { print_file(file, indent, "_StubMsg.MaxCount = (unsigned long)"); write_expr(file, type->size_is, 1); fprintf(file, ";\n"); } if ((phase == PHASE_FREE) || (pointer_type == RPC_FC_UP)) print_phase_function(file, indent, "Pointer", phase, var, start_offset); else print_phase_function(file, indent, "ConformantString", phase, var, start_offset + (type->size_is ? 4 : 2)); } } else if (is_array(type)) { unsigned char tc = type->type; const char *array_type; if (tc == RPC_FC_SMFARRAY || tc == RPC_FC_LGFARRAY) array_type = "FixedArray"; else if (tc == RPC_FC_SMVARRAY || tc == RPC_FC_LGVARRAY) { if (is_size_needed_for_phase(phase)) { print_file(file, indent, "_StubMsg.Offset = (unsigned long)0;\n"); /* FIXME */ print_file(file, indent, "_StubMsg.ActualCount = (unsigned long)"); write_expr(file, type->length_is, 1); fprintf(file, ";\n\n"); } array_type = "VaryingArray"; } else if (tc == RPC_FC_CARRAY) { if (is_size_needed_for_phase(phase) && phase != PHASE_FREE) { print_file(file, indent, "_StubMsg.MaxCount = (unsigned long)"); write_expr(file, type->size_is, 1); fprintf(file, ";\n\n"); } array_type = "ConformantArray"; } else if (tc == RPC_FC_CVARRAY) { if (is_size_needed_for_phase(phase)) { print_file(file, indent, "_StubMsg.MaxCount = (unsigned long)"); write_expr(file, type->size_is, 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, type->length_is, 1); fprintf(file, ";\n\n"); } array_type = "ConformantVaryingArray"; } else array_type = "ComplexArray"; if (!in_attr && phase == PHASE_FREE) { print_file(file, indent, "if (%s)\n", var->name); indent++; print_file(file, indent, "_StubMsg.pfnFree(%s);\n", var->name); } else if (phase != PHASE_FREE) { if (pointer_type == RPC_FC_UP) print_phase_function(file, indent, "Pointer", phase, var, start_offset); else print_phase_function(file, indent, array_type, phase, var, start_offset); } } else if (!is_ptr(var->type) && is_base_type(rtype)) { print_phase_basetype(file, indent, phase, pass, var, var->name); } else if (!is_ptr(var->type)) { switch (rtype) { case RPC_FC_STRUCT: case RPC_FC_PSTRUCT: print_phase_function(file, indent, "SimpleStruct", phase, var, start_offset); break; case RPC_FC_CSTRUCT: case RPC_FC_CPSTRUCT: print_phase_function(file, indent, "ConformantStruct", phase, var, start_offset); break; case RPC_FC_CVSTRUCT: print_phase_function(file, indent, "ConformantVaryingStruct", phase, var, start_offset); break; case RPC_FC_BOGUS_STRUCT: print_phase_function(file, indent, "ComplexStruct", phase, var, start_offset); break; case RPC_FC_RP: if (is_base_type( var->type->ref->type )) { print_phase_basetype(file, indent, phase, pass, var, var->name); } else if (var->type->ref->type == RPC_FC_STRUCT) { if (phase != PHASE_BUFFERSIZE && phase != PHASE_FREE) print_phase_function(file, indent, "SimpleStruct", phase, var, start_offset + 4); } else { const var_t *iid; if ((iid = get_attrp( var->attrs, ATTR_IIDIS ))) print_file( file, indent, "_StubMsg.MaxCount = (unsigned long)%s;\n", iid->name ); print_phase_function(file, indent, "Pointer", phase, var, start_offset); } break; default: error("write_remoting_arguments: Unsupported type: %s (0x%02x)\n", var->name, rtype); } } else { if (last_ptr(var->type) && (pointer_type == RPC_FC_RP) && is_base_type(rtype)) { print_phase_basetype(file, indent, phase, pass, var, var->name); } else if (last_ptr(var->type) && (pointer_type == RPC_FC_RP) && (rtype == RPC_FC_STRUCT)) { if (phase != PHASE_BUFFERSIZE && phase != PHASE_FREE) print_phase_function(file, indent, "SimpleStruct", phase, var, start_offset + 4); } else { const var_t *iid; if ((iid = get_attrp( var->attrs, ATTR_IIDIS ))) print_file( file, indent, "_StubMsg.MaxCount = (unsigned long)%s;\n", iid->name ); print_phase_function(file, indent, "Pointer", phase, var, start_offset); } } fprintf(file, "\n"); } } size_t get_size_procformatstring_var(const var_t *var) { return write_procformatstring_var(NULL, 0, var, FALSE); } size_t get_size_procformatstring_func(const func_t *func) { const var_t *var; size_t size = 0; /* argument list size */ if (func->args) LIST_FOR_EACH_ENTRY( var, func->args, const var_t, entry ) size += get_size_procformatstring_var(var); /* return value size */ if (is_void(func->def->type)) size += 2; /* FC_END and FC_PAD */ else size += get_size_procformatstring_var(func->def); return size; } size_t get_size_procformatstring(const ifref_list_t *ifaces, int for_objects) { const ifref_t *iface; size_t size = 1; const func_t *func; if (ifaces) LIST_FOR_EACH_ENTRY( iface, ifaces, const ifref_t, entry ) { if (for_objects != is_object(iface->iface->attrs) || is_local(iface->iface->attrs)) continue; if (iface->iface->funcs) LIST_FOR_EACH_ENTRY( func, iface->iface->funcs, const func_t, entry ) if (!is_local(func->def->attrs)) size += get_size_procformatstring_func( func ); } return size; } size_t get_size_typeformatstring(const ifref_list_t *ifaces, int for_objects) { set_all_tfswrite(ifaces, FALSE); return process_tfs(NULL, ifaces, for_objects); } static void write_struct_expr(FILE *h, const expr_t *e, int brackets, const var_list_t *fields, const char *structvar) { switch (e->type) { case EXPR_VOID: break; case EXPR_NUM: fprintf(h, "%lu", e->u.lval); break; case EXPR_HEXNUM: fprintf(h, "0x%lx", e->u.lval); break; case EXPR_TRUEFALSE: if (e->u.lval == 0) fprintf(h, "FALSE"); else fprintf(h, "TRUE"); break; case EXPR_IDENTIFIER: { const var_t *field; LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry ) if (!strcmp(e->u.sval, field->name)) { fprintf(h, "%s->%s", structvar, e->u.sval); break; } if (&field->entry == fields) error("no field found for identifier %s\n", e->u.sval); break; } case EXPR_NEG: fprintf(h, "-"); write_struct_expr(h, e->ref, 1, fields, structvar); break; case EXPR_NOT: fprintf(h, "~"); write_struct_expr(h, e->ref, 1, fields, structvar); break; case EXPR_PPTR: fprintf(h, "*"); write_struct_expr(h, e->ref, 1, fields, structvar); break; case EXPR_CAST: fprintf(h, "("); write_type(h, e->u.tref, FALSE, NULL); fprintf(h, ")"); write_struct_expr(h, e->ref, 1, fields, structvar); break; case EXPR_SIZEOF: fprintf(h, "sizeof("); write_type(h, e->u.tref, FALSE, NULL); fprintf(h, ")"); break; case EXPR_SHL: case EXPR_SHR: case EXPR_MUL: case EXPR_DIV: case EXPR_ADD: case EXPR_SUB: case EXPR_AND: case EXPR_OR: if (brackets) fprintf(h, "("); write_struct_expr(h, e->ref, 1, fields, structvar); switch (e->type) { case EXPR_SHL: fprintf(h, " << "); break; case EXPR_SHR: fprintf(h, " >> "); break; case EXPR_MUL: fprintf(h, " * "); break; case EXPR_DIV: fprintf(h, " / "); break; case EXPR_ADD: fprintf(h, " + "); break; case EXPR_SUB: fprintf(h, " - "); break; case EXPR_AND: fprintf(h, " & "); break; case EXPR_OR: fprintf(h, " | "); break; default: break; } write_struct_expr(h, e->u.ext, 1, fields, structvar); if (brackets) fprintf(h, ")"); break; case EXPR_COND: if (brackets) fprintf(h, "("); write_struct_expr(h, e->ref, 1, fields, structvar); fprintf(h, " ? "); write_struct_expr(h, e->u.ext, 1, fields, structvar); fprintf(h, " : "); write_struct_expr(h, e->ext2, 1, fields, structvar); if (brackets) fprintf(h, ")"); break; } } void declare_stub_args( FILE *file, int indent, const func_t *func ) { int in_attr, out_attr; int i = 0; const var_t *def = func->def; const var_t *var; /* declare return value '_RetVal' */ if (!is_void(def->type)) { print_file(file, indent, ""); write_type_left(file, def->type); fprintf(file, " _RetVal;\n"); } if (!func->args) return; LIST_FOR_EACH_ENTRY( var, func->args, const var_t, entry ) { int is_string = is_attr(var->attrs, ATTR_STRING); in_attr = is_attr(var->attrs, ATTR_IN); out_attr = is_attr(var->attrs, ATTR_OUT); if (!out_attr && !in_attr) in_attr = 1; if (!in_attr && !var->type->size_is && !is_string) { print_file(file, indent, ""); write_type(file, var->type->ref, FALSE, "_W%u", i++); fprintf(file, ";\n"); } print_file(file, indent, ""); write_type_left(file, var->type); fprintf(file, " "); if (var->type->declarray) { fprintf(file, "( *"); write_name(file, var); fprintf(file, " )"); } else write_name(file, var); write_type_right(file, var->type, FALSE); fprintf(file, ";\n"); if (decl_indirect(var->type)) print_file(file, indent, "void *_p_%s = &%s;\n", var->name, var->name); } } void assign_stub_out_args( FILE *file, int indent, const func_t *func ) { int in_attr, out_attr; int i = 0, sep = 0; const var_t *var; if (!func->args) return; LIST_FOR_EACH_ENTRY( var, func->args, const var_t, entry ) { int is_string = is_attr(var->attrs, ATTR_STRING); in_attr = is_attr(var->attrs, ATTR_IN); out_attr = is_attr(var->attrs, ATTR_OUT); if (!out_attr && !in_attr) in_attr = 1; if (!in_attr) { print_file(file, indent, ""); write_name(file, var); if (var->type->size_is) { unsigned int size, align = 0; type_t *type = var->type; fprintf(file, " = NdrAllocate(&_StubMsg, "); for ( ; type->size_is ; type = type->ref) { write_expr(file, type->size_is, TRUE); fprintf(file, " * "); } size = type_memsize(type, &align); fprintf(file, "%u);\n", size); } else if (!is_string) { fprintf(file, " = &_W%u;\n", i); if (is_ptr(var->type) && !last_ptr(var->type)) print_file(file, indent, "_W%u = 0;\n", i); i++; } sep = 1; } } if (sep) fprintf(file, "\n"); } int write_expr_eval_routines(FILE *file, const char *iface) { int result = 0; struct expr_eval_routine *eval; unsigned short callback_offset = 0; LIST_FOR_EACH_ENTRY(eval, &expr_eval_routines, struct expr_eval_routine, entry) { int indent = 0; result = 1; print_file(file, indent, "static void __RPC_USER %s_%sExprEval_%04u(PMIDL_STUB_MESSAGE pStubMsg)\n", iface, eval->structure->name, callback_offset); print_file(file, indent, "{\n"); indent++; print_file(file, indent, "struct %s *" STRUCT_EXPR_EVAL_VAR " = (struct %s *)(pStubMsg->StackTop - %u);\n", eval->structure->name, eval->structure->name, eval->structure_size); fprintf(file, "\n"); print_file(file, indent, "pStubMsg->Offset = 0;\n"); /* FIXME */ print_file(file, indent, "pStubMsg->MaxCount = (unsigned long)"); write_struct_expr(file, eval->expr, 1, eval->structure->fields, STRUCT_EXPR_EVAL_VAR); fprintf(file, ";\n"); indent--; print_file(file, indent, "}\n\n"); callback_offset++; } return result; } void write_expr_eval_routine_list(FILE *file, const char *iface) { struct expr_eval_routine *eval; struct expr_eval_routine *cursor; unsigned short callback_offset = 0; fprintf(file, "static const EXPR_EVAL ExprEvalRoutines[] =\n"); fprintf(file, "{\n"); LIST_FOR_EACH_ENTRY_SAFE(eval, cursor, &expr_eval_routines, struct expr_eval_routine, entry) { print_file(file, 1, "%s_%sExprEval_%04u,\n", iface, eval->structure->name, callback_offset); callback_offset++; list_remove(&eval->entry); free(eval); } fprintf(file, "};\n\n"); } void write_user_quad_list(FILE *file) { user_type_t *ut; if (list_empty(&user_type_list)) return; fprintf(file, "static const USER_MARSHAL_ROUTINE_QUADRUPLE UserMarshalRoutines[] =\n"); fprintf(file, "{\n"); LIST_FOR_EACH_ENTRY(ut, &user_type_list, user_type_t, entry) { const char *sep = &ut->entry == list_tail(&user_type_list) ? "" : ","; print_file(file, 1, "{\n"); print_file(file, 2, "(USER_MARSHAL_SIZING_ROUTINE)%s_UserSize,\n", ut->name); print_file(file, 2, "(USER_MARSHAL_MARSHALLING_ROUTINE)%s_UserMarshal,\n", ut->name); print_file(file, 2, "(USER_MARSHAL_UNMARSHALLING_ROUTINE)%s_UserUnmarshal,\n", ut->name); print_file(file, 2, "(USER_MARSHAL_FREEING_ROUTINE)%s_UserFree\n", ut->name); print_file(file, 1, "}%s\n", sep); } fprintf(file, "};\n\n"); } void write_endpoints( FILE *f, const char *prefix, const str_list_t *list ) { const struct str_list_entry_t *endpoint; const char *p; /* this should be an array of RPC_PROTSEQ_ENDPOINT but we want const strings */ print_file( f, 0, "static const unsigned char * %s__RpcProtseqEndpoint[][2] =\n{\n", prefix ); LIST_FOR_EACH_ENTRY( endpoint, list, const struct str_list_entry_t, entry ) { print_file( f, 1, "{ (const unsigned char *)\"" ); for (p = endpoint->str; *p && *p != ':'; p++) { if (*p == '"' || *p == '\\') fputc( '\\', f ); fputc( *p, f ); } if (!*p) goto error; if (p[1] != '[') goto error; fprintf( f, "\", (const unsigned char *)\"" ); for (p += 2; *p && *p != ']'; p++) { if (*p == '"' || *p == '\\') fputc( '\\', f ); fputc( *p, f ); } if (*p != ']') goto error; fprintf( f, "\" },\n" ); } print_file( f, 0, "};\n\n" ); return; error: error("Invalid endpoint syntax '%s'\n", endpoint->str); }