/* * 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 type_memsize(const type_t *t, int ptr_level, const array_dims_t *array); static size_t fields_memsize(const var_list_t *fields); 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 int print_file(FILE *file, int indent, const char *format, ...) { va_list va; int i, r; if (!file) return 0; va_start(va, format); for (i = 0; i < indent; i++) fprintf(file, " "); r = vfprintf(file, format, va); va_end(va); return r; } 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; } } static size_t write_procformatstring_var(FILE *file, int indent, const var_t *var, int is_return, unsigned int *type_offset) { size_t size; int ptr_level = var->ptr_level; 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 (ptr_level == 0 && !var->array && 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"); switch(type->type) { #define CASE_BASETYPE(fctype) \ case RPC_##fctype: \ print_file(file, indent, "0x%02x, /* " #fctype " */\n", RPC_##fctype); \ size = 2; /* includes param type prefix */ \ break CASE_BASETYPE(FC_BYTE); CASE_BASETYPE(FC_CHAR); CASE_BASETYPE(FC_WCHAR); CASE_BASETYPE(FC_USHORT); CASE_BASETYPE(FC_SHORT); CASE_BASETYPE(FC_ULONG); CASE_BASETYPE(FC_LONG); CASE_BASETYPE(FC_HYPER); CASE_BASETYPE(FC_IGNORE); CASE_BASETYPE(FC_USMALL); CASE_BASETYPE(FC_SMALL); CASE_BASETYPE(FC_FLOAT); CASE_BASETYPE(FC_DOUBLE); CASE_BASETYPE(FC_ERROR_STATUS_T); #undef CASE_BASETYPE case RPC_FC_BIND_PRIMITIVE: print_file(file, indent, "0x%02x, /* FC_IGNORE */\n", RPC_FC_IGNORE); size = 2; /* includes param type prefix */ break; default: 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_offset); size = 4; /* includes param type prefix */ } *type_offset += get_size_typeformatstring_var(var); 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; unsigned int type_offset = 2; 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, &type_offset); } /* emit return value data */ var = func->def; if (is_void(var->type, NULL)) { print_file(file, indent, "0x5b, /* FC_END */\n"); print_file(file, indent, "0x5c, /* FC_PAD */\n"); } else write_procformatstring_var(file, indent, var, TRUE, &type_offset); } } } print_file(file, indent, "0x0\n"); indent--; print_file(file, indent, "}\n"); indent--; print_file(file, indent, "};\n"); print_file(file, indent, "\n"); } /* write conformance / variance descriptor */ static size_t write_conf_or_var_desc(FILE *file, const func_t *func, const type_t *structure, const expr_t *expr) { unsigned char operator_type = 0; const char *operator_string = "no operators"; const expr_t *subexpr = expr; 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; } 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 ) { offset -= type_memsize(var->type, var->ptr_level, var->array); if (!strcmp(var->name, subexpr->u.sval)) { correlation_variable = var->type; break; } } if (!correlation_variable) error("write_conf_or_var_desc: couldn't find variable %s in structure\n", subexpr->u.sval); correlation_type = RPC_FC_NORMAL_CONFORMANCE; } else { const var_t *var; offset = 0; 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; 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) { eval = xmalloc(sizeof(*eval)); eval->structure = structure; eval->structure_size = fields_memsize(structure->fields); 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) { 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, v->ptr_level, v->array); return size; } static size_t type_memsize(const type_t *t, int ptr_level, const array_dims_t *array) { size_t size = 0; if (ptr_level) return sizeof(void *); switch (t->type) { case RPC_FC_BYTE: case RPC_FC_CHAR: case RPC_FC_USMALL: case RPC_FC_SMALL: size = 1; break; case RPC_FC_WCHAR: case RPC_FC_USHORT: case RPC_FC_SHORT: case RPC_FC_ENUM16: size = 2; 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; break; case RPC_FC_HYPER: case RPC_FC_DOUBLE: size = 8; 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: case RPC_FC_ENCAPSULATED_UNION: case RPC_FC_NON_ENCAPSULATED_UNION: size = fields_memsize(t->fields); break; default: error("type_memsize: Unknown type %d\n", t->type); size = 0; } if (array) { expr_t *dim; LIST_FOR_EACH_ENTRY( dim, array, expr_t, entry ) if (dim->is_const) size *= dim->cval; else size = 0; } return size; } size_t get_type_memsize(const type_t *type) { return type_memsize(type, 0, NULL); } static int write_pointers(FILE *file, const attr_list_t *attrs, const type_t *type, int ptr_level, const array_dims_t *array, int level, unsigned int *typestring_offset) { int pointers_written = 0; const var_t *v; /* don't generate a pointer for first-level arrays since we want to * descend into them to write their pointers, not stop here */ if ((level == 0 || ptr_level == 0) && is_array_type(attrs, ptr_level, array)) { return write_pointers(file, NULL, type, 0, NULL, level + 1, typestring_offset); } if (ptr_level != 0) { /* FIXME: only general algorithm implemented, not the actual writing */ error("write_pointers: Writing type format string for pointer is unimplemented\n"); return 1; } switch (type->type) { /* note: don't descend into complex structures or unions since these * will always be generated as a separate type */ case RPC_FC_STRUCT: case RPC_FC_CVSTRUCT: case RPC_FC_CPSTRUCT: case RPC_FC_CSTRUCT: case RPC_FC_PSTRUCT: if (!type->fields) break; LIST_FOR_EACH_ENTRY( v, type->fields, const var_t, entry ) pointers_written += write_pointers(file, v->attrs, v->type, v->ptr_level, v->array, level + 1, typestring_offset); break; default: /* nothing to do */ break; } return pointers_written; } static size_t write_pointer_description(FILE *file, const attr_list_t *attrs, const type_t *type, int ptr_level, const array_dims_t *array, int level, size_t typestring_offset) { size_t size = 0; const var_t *v; /* don't generate a pointer for first-level arrays since we want to * descend into them to write their pointers, not stop here */ if ((level == 0 || ptr_level == 0) && is_array_type(attrs, ptr_level, array)) { return write_pointer_description(file, NULL, type, 0, NULL, level + 1, typestring_offset); } if (ptr_level != 0) { /* FIXME: only general algorithm implemented, not the actual writing */ error("write_pointer_description: Writing pointer description is unimplemented\n"); return 0; } /* FIXME: search through all refs for pointers too */ switch (type->type) { /* note: don't descend into complex structures or unions since these * will always be generated as a separate type */ case RPC_FC_STRUCT: case RPC_FC_CVSTRUCT: case RPC_FC_CPSTRUCT: case RPC_FC_CSTRUCT: case RPC_FC_PSTRUCT: if (!type->fields) break; LIST_FOR_EACH_ENTRY( v, type->fields, const var_t, entry ) size += write_pointer_description(file, v->attrs, v->type, v->ptr_level, v->array, level + 1, typestring_offset); break; default: /* nothing to do */ break; } return size; } static size_t write_string_tfs(FILE *file, const attr_list_t *attrs, const type_t *type, const array_dims_t *array, const char *name, unsigned int *typestring_offset) { const expr_t *size_is = get_attrp(attrs, ATTR_SIZEIS); int has_size = size_is && (size_is->type != EXPR_VOID); 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 (array && !is_conformant_array(array)) { /* FIXME: multi-dimensional array */ const expr_t *dim = LIST_ENTRY( list_head( array ), expr_t, entry ); if (dim->cval > USHRT_MAX) error("array size for parameter %s exceeds %d bytes by %ld bytes\n", name, USHRT_MAX, dim->cval - USHRT_MAX); 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", dim->cval, dim->cval); *typestring_offset += 2; return start_offset; } else if (has_size) { 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, NULL, 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, const type_t *type, const array_dims_t *array, const char *name, unsigned int *typestring_offset) { const expr_t *length_is = get_attrp(attrs, ATTR_LENGTHIS); const expr_t *size_is = get_attrp(attrs, ATTR_SIZEIS); int has_length = length_is && (length_is->type != EXPR_VOID); int has_size = (size_is && (size_is->type != EXPR_VOID)) || is_conformant_array(array); size_t start_offset; int pointer_type = get_attrv(attrs, ATTR_POINTERTYPE); if (!pointer_type) pointer_type = RPC_FC_RP; print_file(file, 2, "0x%x, 0x00, /* %s */\n", pointer_type, pointer_type == RPC_FC_FP ? "FC_FP" : (pointer_type == RPC_FC_UP ? "FC_UP" : "FC_RP")); print_file(file, 2, "NdrFcShort(0x2),\n"); *typestring_offset += 4; if (array && list_count(array) > 1) /* multi-dimensional array */ { error("write_array_tfs: Multi-dimensional arrays not implemented yet (param %s)\n", name); return 0; } else { const expr_t *dim = array ? LIST_ENTRY( list_head( array ), expr_t, entry ) : NULL; size_t pointer_start_offset = *typestring_offset; int has_pointer = 0; if (write_pointers(file, attrs, type, 0, array, 0, typestring_offset) > 0) has_pointer = 1; start_offset = *typestring_offset; if (!has_length && !has_size) { /* fixed array */ size_t size = type_memsize(type, 0, array); if (size < USHRT_MAX) { WRITE_FCTYPE(file, FC_SMFARRAY, *typestring_offset); /* alignment */ print_file(file, 2, "0x%x, /* 0 */\n", 0); /* size */ print_file(file, 2, "NdrFcShort(0x%x), /* %d */\n", size, size); *typestring_offset += 4; } else { WRITE_FCTYPE(file, FC_LGFARRAY, *typestring_offset); /* alignment */ print_file(file, 2, "0x%x, /* 0 */\n", 0); /* size */ print_file(file, 2, "NdrFcLong(0x%x), /* %d */\n", size, size); *typestring_offset += 6; } 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; *typestring_offset = write_pointer_description(file, attrs, type, 0, array, 0, pointer_start_offset); print_file(file, 2, "0x%x, /* FC_END */\n", RPC_FC_END); *typestring_offset += 1; } print_file(file, 2, "0x0, /* FIXME: write out conversion data */\n"); print_file(file, 2, "0x%x, /* FC_END */\n", RPC_FC_END); *typestring_offset += 2; return start_offset; } else if (has_length && !has_size) { /* varying array */ size_t element_size = type_memsize(type, 0, NULL); size_t elements = dim->cval; size_t total_size = element_size * elements; if (total_size < USHRT_MAX) { WRITE_FCTYPE(file, FC_SMVARRAY, *typestring_offset); /* alignment */ print_file(file, 2, "0x%x, /* 0 */\n", 0); /* total size */ print_file(file, 2, "NdrFcShort(0x%x), /* %d */\n", total_size, total_size); /* number of elements */ print_file(file, 2, "NdrFcShort(0x%x), /* %d */\n", elements, elements); *typestring_offset += 6; } else { WRITE_FCTYPE(file, FC_LGVARRAY, *typestring_offset); /* alignment */ print_file(file, 2, "0x%x, /* 0 */\n", 0); /* total size */ print_file(file, 2, "NdrFcLong(0x%x), /* %d */\n", total_size, total_size); /* number of elements */ print_file(file, 2, "NdrFcLong(0x%x), /* %d */\n", elements, elements); *typestring_offset += 10; } /* element size */ print_file(file, 2, "NdrFcShort(0x%x), /* %d */\n", element_size, element_size); *typestring_offset += 2; *typestring_offset += write_conf_or_var_desc(file, current_func, current_structure, 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; *typestring_offset += write_pointer_description(file, attrs, type, 0, array, 0, pointer_start_offset); print_file(file, 2, "0x%x, /* FC_END */\n", RPC_FC_END); *typestring_offset += 1; } print_file(file, 2, "0x0, /* FIXME: write out conversion data */\n"); print_file(file, 2, "0x%x, /* FC_END */\n", RPC_FC_END); *typestring_offset += 2; return start_offset; } else if (!has_length && has_size) { /* conformant array */ size_t element_size = type_memsize(type, 0, NULL); WRITE_FCTYPE(file, FC_CARRAY, *typestring_offset); /* alignment */ print_file(file, 2, "0x%x, /* 0 */\n", 0); /* element size */ print_file(file, 2, "NdrFcShort(0x%x), /* %d */\n", element_size, element_size); *typestring_offset += 4; *typestring_offset += write_conf_or_var_desc(file, current_func, current_structure, size_is ? size_is : dim); 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; *typestring_offset += write_pointer_description(file, attrs, type, 0, array, 0, pointer_start_offset); print_file(file, 2, "0x%x, /* FC_END */\n", RPC_FC_END); *typestring_offset += 1; } print_file(file, 2, "0x%x, /* FIXME: write out conversion data */\n", type->type); print_file(file, 2, "0x%x, /* FC_END */\n", RPC_FC_END); *typestring_offset += 2; return start_offset; } else { /* conformant varying array */ size_t element_size = type_memsize(type, 0, NULL); WRITE_FCTYPE(file, FC_CVARRAY, *typestring_offset); /* alignment */ print_file(file, 2, "0x%x, /* 0 */\n", 0); /* element size */ print_file(file, 2, "NdrFcShort(0x%x), /* %d */\n", element_size, element_size); *typestring_offset += 4; *typestring_offset += write_conf_or_var_desc(file, current_func, current_structure, size_is ? size_is : dim); *typestring_offset += write_conf_or_var_desc(file, current_func, current_structure, 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; *typestring_offset += write_pointer_description(file, attrs, type, 0, array, 0, pointer_start_offset); print_file(file, 2, "0x%x, /* FC_END */\n", RPC_FC_END); *typestring_offset += 1; } print_file(file, 2, "0x0, /* FIXME: write out conversion data */\n"); print_file(file, 2, "0x%x, /* FC_END */\n", RPC_FC_END); *typestring_offset += 2; 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 ); if (is_array_type(last_field->attrs, last_field->ptr_level, last_field->array)) return last_field; assert((last_field->type->type == RPC_FC_CSTRUCT) || (last_field->type->type == RPC_FC_CPSTRUCT) || (last_field->type->type == RPC_FC_CVSTRUCT)); return find_array_or_string_in_struct(last_field->type); } static size_t write_struct_members(FILE *file, const type_t *type) { size_t typestring_size = 0; const var_t *field; if (type->fields) LIST_FOR_EACH_ENTRY( field, type->fields, const var_t, entry ) { unsigned char rtype = field->type->type; if (is_base_type(rtype)) { switch (rtype) { #define CASE_BASETYPE(fctype) \ case RPC_##fctype: \ print_file(file, 2, "0x%02x,\t\t/* " #fctype " */\n", RPC_##fctype); \ typestring_size++; \ break; CASE_BASETYPE(FC_BYTE); CASE_BASETYPE(FC_CHAR); CASE_BASETYPE(FC_SMALL); CASE_BASETYPE(FC_USMALL); CASE_BASETYPE(FC_WCHAR); CASE_BASETYPE(FC_SHORT); CASE_BASETYPE(FC_USHORT); CASE_BASETYPE(FC_LONG); CASE_BASETYPE(FC_ULONG); CASE_BASETYPE(FC_FLOAT); CASE_BASETYPE(FC_HYPER); CASE_BASETYPE(FC_DOUBLE); CASE_BASETYPE(FC_ENUM16); CASE_BASETYPE(FC_ENUM32); CASE_BASETYPE(FC_IGNORE); CASE_BASETYPE(FC_ERROR_STATUS_T); default: break; #undef CASE_BASETYPE } } else error("Unsupported member type 0x%x\n", rtype); } if (!(typestring_size % 2)) { print_file(file, 2, "0x%x,\t\t/* FC_PAD */\n", RPC_FC_PAD); typestring_size++; } print_file(file, 2, "0x%x,\t\t/* FC_END */\n", RPC_FC_END); typestring_size++; return typestring_size; } static size_t write_struct_tfs(FILE *file, const type_t *type, const char *name, unsigned int *typestring_offset) { unsigned int total_size; const var_t *array; size_t start_offset; size_t array_offset; size_t pointer_offset; switch (type->type) { case RPC_FC_STRUCT: case RPC_FC_PSTRUCT: total_size = type_memsize(type, 0, NULL); if (total_size > USHRT_MAX) error("structure size for parameter %s exceeds %d bytes by %d bytes\n", name, USHRT_MAX, total_size - USHRT_MAX); if (type->type == RPC_FC_PSTRUCT) { pointer_offset = *typestring_offset; write_pointers(file, NULL, type, 0, NULL, 0, typestring_offset); } else pointer_offset = 0; /* silence warning */ start_offset = *typestring_offset; if (type->type == RPC_FC_STRUCT) WRITE_FCTYPE(file, FC_STRUCT, *typestring_offset); else WRITE_FCTYPE(file, FC_PSTRUCT, *typestring_offset); /* alignment */ print_file(file, 2, "0x3,\n"); /* FIXME */ /* total size */ print_file(file, 2, "NdrFcShort(0x%x), /* %u */\n", total_size, total_size); *typestring_offset += 4; if (type->type == RPC_FC_PSTRUCT) { 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; *typestring_offset += write_pointer_description(file, NULL, type, 0, NULL, 0, pointer_offset); print_file(file, 2, "0x%x, /* FC_END */\n", RPC_FC_END); *typestring_offset += 1; } /* member layout */ *typestring_offset += write_struct_members(file, type); return start_offset; case RPC_FC_CSTRUCT: case RPC_FC_CPSTRUCT: total_size = type_memsize(type, 0, NULL); if (total_size > USHRT_MAX) error("structure size for parameter %s exceeds %d bytes by %d bytes\n", name, USHRT_MAX, total_size - USHRT_MAX); array = find_array_or_string_in_struct(type); current_structure = type; array_offset = write_array_tfs(file, array->attrs, array->type, array->array, array->name, typestring_offset); current_structure = NULL; if (type->type == RPC_FC_CPSTRUCT) { pointer_offset = *typestring_offset; write_pointers(file, NULL, type, 0, NULL, 0, typestring_offset); } else pointer_offset = 0; /* silence warning */ start_offset = *typestring_offset; if (type->type == RPC_FC_CSTRUCT) WRITE_FCTYPE(file, FC_CSTRUCT, *typestring_offset); else WRITE_FCTYPE(file, FC_CPSTRUCT, *typestring_offset); /* alignment */ print_file(file, 2, "0x0,\n"); /* total size */ print_file(file, 2, "NdrFcShort(0x%x), /* %u */\n", total_size, total_size); *typestring_offset += 4; print_file(file, 2, "NdrFcShort(0x%x), /* offset = %d (%u) */\n", array_offset - *typestring_offset, array_offset - *typestring_offset, array_offset); *typestring_offset += 2; if (type->type == RPC_FC_CPSTRUCT) { 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; *typestring_offset += write_pointer_description(file, NULL, type, 0, NULL, 0, pointer_offset); print_file(file, 2, "0x%x, /* FC_END */\n", RPC_FC_END); *typestring_offset += 1; } print_file(file, 2, "0x%x, /* FC_END */\n", RPC_FC_END); *typestring_offset += 1; return start_offset; case RPC_FC_CVSTRUCT: total_size = type_memsize(type, 0, NULL); if (total_size > USHRT_MAX) error("structure size for parameter %s exceeds %d bytes by %d bytes\n", name, USHRT_MAX, total_size - USHRT_MAX); array = find_array_or_string_in_struct(type); current_structure = type; if (is_attr(array->attrs, ATTR_STRING)) array_offset = write_string_tfs(file, array->attrs, array->type, array->array, array->name, typestring_offset); else array_offset = write_array_tfs(file, array->attrs, array->type, array->array, array->name, typestring_offset); current_structure = NULL; pointer_offset = *typestring_offset; if (!write_pointers(file, NULL, type, 0, NULL, 0, typestring_offset)) pointer_offset = 0; start_offset = *typestring_offset; WRITE_FCTYPE(file, FC_CVSTRUCT, *typestring_offset); /* alignment */ print_file(file, 2, "0x0,\n"); /* total size */ print_file(file, 2, "NdrFcShort(0x%x), /* %u */\n", total_size, total_size); *typestring_offset += 4; print_file(file, 2, "NdrFcShort(0x%x), /* offset = %d (%u) */\n", array_offset - *typestring_offset, array_offset - *typestring_offset, array_offset); *typestring_offset += 2; if (pointer_offset != 0) { 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; *typestring_offset += write_pointer_description(file, NULL, type, 0, NULL, 0, pointer_offset); print_file(file, 2, "0x%x, /* FC_END */\n", RPC_FC_END); *typestring_offset += 1; } print_file(file, 2, "0x%x, /* FC_END */\n", RPC_FC_END); *typestring_offset += 1; return start_offset; default: error("write_struct_tfs: Unimplemented for type 0x%x\n", type->type); return *typestring_offset; } } static void write_pointer_only_tfs(FILE *file, const attr_list_t *attrs, int pointer_type, unsigned char flags, size_t offset, unsigned int *typeformat_offset) { 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, pointer_type == RPC_FC_FP ? "FC_FP" : (pointer_type == RPC_FC_UP ? "FC_UP" : "FC_RP")); 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), /* %d */\n", offset, offset); *typeformat_offset += 4; } static size_t write_union_tfs(FILE *file, const attr_list_t *attrs, const type_t *type, const char *name, unsigned int *typeformat_offset) { error("write_union_tfs: Unimplemented\n"); return *typeformat_offset; } static size_t write_ip_tfs(FILE *file, const attr_list_t *attrs, const char *name, unsigned int *typeformat_offset) { size_t i; size_t start_offset = *typeformat_offset; const UUID *uuid = get_attrp(attrs, ATTR_UUID); if (! uuid) error("%s: interface %s missing UUID\n", __FUNCTION__, name); 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 var_t *var, unsigned int *typeformat_offset) { const type_t *type = var->type; int var_ptrs = var->ptr_level, type_ptrs = 0; int is_str = is_attr(var->attrs, ATTR_STRING); chat("write_typeformatstring_var: %s\n", var->name); while (TRUE) { is_str = is_str || is_attr(type->attrs, ATTR_STRING); if (type->kind == TKIND_ALIAS) type = type->orig; else if (is_ptr(type)) { ++type_ptrs; type = type->ref; } else { type = var->type; break; } } while (TRUE) { int ptr_level = var_ptrs + type_ptrs; int pointer_type = 0; chat("write_typeformatstring: type->type = 0x%x, type->name = %s, ptr_level = %d\n", type->type, type->name, ptr_level); /* var attrs only effect the rightmost pointer */ if ((0 < var->ptr_level && var_ptrs == var->ptr_level) || (var->ptr_level == 0 && type == var->type)) { int pointer_attr = get_attrv(var->attrs, ATTR_POINTERTYPE); if (pointer_attr) { if (! ptr_level) error("'%s': pointer attribute applied to non-pointer type", var->name); pointer_type = pointer_attr; } else pointer_type = RPC_FC_RP; } else /* pointers below other pointers default to unique */ pointer_type = var_ptrs ? RPC_FC_UP : get_ptr_attr(type, RPC_FC_UP); if (is_str && ptr_level + (var->array != NULL) == 1) return write_string_tfs(file, var->attrs, type, var->array, var->name, typeformat_offset); if (is_array_type(var->attrs, ptr_level, var->array)) return write_array_tfs(file, var->attrs, type, var->array, var->name, typeformat_offset); if (ptr_level == 0) { /* 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, var->attrs, type, var->name, 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 (ptr_level == 1) { 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 = is_ptr(type) ? type->ref : type; if (base->type == RPC_FC_IP) { return write_ip_tfs(file, base->attrs, base->name, typeformat_offset); } /* special case for pointers to base types */ switch (base->type) { #define CASE_BASETYPE(fctype) \ case RPC_##fctype: \ print_file(file, indent, "0x%x, 0x%x, /* %s %s[simple_pointer] */\n", \ pointer_type, \ (!in_attr && out_attr) ? 0x0C : 0x08, \ pointer_type == RPC_FC_FP ? "FC_FP" : (pointer_type == RPC_FC_UP ? "FC_UP" : "FC_RP"), \ (!in_attr && out_attr) ? "[allocated_on_stack] " : ""); \ print_file(file, indent, "0x%02x, /* " #fctype " */\n", RPC_##fctype); \ print_file(file, indent, "0x5c, /* FC_PAD */\n"); \ *typeformat_offset += 4; \ return start_offset CASE_BASETYPE(FC_BYTE); CASE_BASETYPE(FC_CHAR); CASE_BASETYPE(FC_SMALL); CASE_BASETYPE(FC_USMALL); CASE_BASETYPE(FC_WCHAR); CASE_BASETYPE(FC_SHORT); CASE_BASETYPE(FC_USHORT); CASE_BASETYPE(FC_LONG); CASE_BASETYPE(FC_ULONG); CASE_BASETYPE(FC_FLOAT); CASE_BASETYPE(FC_HYPER); CASE_BASETYPE(FC_DOUBLE); CASE_BASETYPE(FC_ENUM16); CASE_BASETYPE(FC_ENUM32); CASE_BASETYPE(FC_IGNORE); CASE_BASETYPE(FC_ERROR_STATUS_T); default: break; } } assert(ptr_level > 0); if (file) fprintf(file, "/* %2u */\n", *typeformat_offset); write_pointer_only_tfs(file, var->attrs, pointer_type, 1 < ptr_level ? 0x10 : 0, 2, typeformat_offset); if (var_ptrs) --var_ptrs; else { --type_ptrs; type = type->ref; } } } void write_typeformatstring(FILE *file, const ifref_list_t *ifaces, int for_objects) { int indent = 0; const var_t *var; unsigned int typeformat_offset; const ifref_t *iface; 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"); 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 ) write_typeformatstring_var(file, indent, var, &typeformat_offset); } } } 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, int ptr_level, const array_dims_t *array, const char *name, unsigned int *alignment) { *alignment = 0; if (ptr_level == 0 && !array) { switch (type->type) { case RPC_FC_BYTE: case RPC_FC_CHAR: case RPC_FC_USMALL: case RPC_FC_SMALL: *alignment = 4; return 1; case RPC_FC_WCHAR: case RPC_FC_USHORT: case RPC_FC_SHORT: *alignment = 4; return 2; case RPC_FC_ULONG: case RPC_FC_LONG: case RPC_FC_FLOAT: case RPC_FC_ERROR_STATUS_T: *alignment = 4; return 4; case RPC_FC_HYPER: case RPC_FC_DOUBLE: *alignment = 8; return 8; case RPC_FC_IGNORE: case RPC_FC_BIND_PRIMITIVE: return 0; case RPC_FC_STRUCT: { size_t size = 0; 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->ptr_level, field->array, field->name, &alignment); } return size; } case RPC_FC_RP: if (is_base_type( type->ref->type ) || type->ref->type == RPC_FC_STRUCT) return get_required_buffer_size_type( type->ref, 0, NULL, name, alignment ); return 0; default: error("get_required_buffer_size: Unknown/unsupported type: %s (0x%02x)\n", name, type->type); return 0; } } return 0; } static unsigned int get_required_buffer_size(const var_t *var, unsigned int *alignment, enum pass pass) { expr_t *size_is = get_attrp(var->attrs, ATTR_SIZEIS); int has_size = (size_is && (size_is->type != EXPR_VOID)); 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 && var->ptr_level > 0) { 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->ptr_level, field->array, field->name, &align); } return size; } } return 0; } else { if ((!out_attr || in_attr) && !has_size && !is_attr(var->attrs, ATTR_STRING) && !var->array) { if (var->ptr_level > 0) { 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->ptr_level, field->array, field->name, &align); } return size; } } } return get_required_buffer_size_type(var->type, var->ptr_level, var->array, 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, NULL)) { 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 char *varname, 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,\n", (phase == PHASE_UNMARSHAL) ? "(unsigned char **)&" : "(unsigned char *)", varname); 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) { const 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 = 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: size = 2; alignment = 2; break; case RPC_FC_ULONG: case RPC_FC_LONG: 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, var->type, NULL, var->tname); if (var->ptr_level) 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 && var->ptr_level) fprintf(file, " = ("); else fprintf(file, " = *("); write_type(file, var->type, NULL, var->tname); fprintf(file, " *)_StubMsg.Buffer;\n"); } print_file(file, indent, "_StubMsg.Buffer += sizeof("); write_type(file, var->type, NULL, var->tname); 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, unsigned int *type_offset, enum pass pass, enum remoting_phase phase) { const expr_t *length_is; const expr_t *size_is; int in_attr, out_attr, has_length, has_size, 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; length_is = get_attrp(var->attrs, ATTR_LENGTHIS); size_is = get_attrp(var->attrs, ATTR_SIZEIS); has_length = length_is && (length_is->type != EXPR_VOID); has_size = (size_is && (size_is->type != EXPR_VOID)) || (var->array && is_conformant_array(var->array)); 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) goto next; break; case PASS_OUT: if (!out_attr) goto next; break; case PASS_RETURN: break; } rtype = type->type; if (is_string_type(var->attrs, var->ptr_level, var->array)) { if (var->array && !is_conformant_array(var->array)) print_phase_function(file, indent, "NonConformantString", phase, var->name, *type_offset); else { if (size_is && is_size_needed_for_phase(phase)) { print_file(file, indent, "_StubMsg.MaxCount = (unsigned long)"); write_expr(file, size_is, 1); fprintf(file, ";\n"); } if ((phase == PHASE_FREE) || (pointer_type == RPC_FC_UP)) print_phase_function(file, indent, "Pointer", phase, var->name, *type_offset); else print_phase_function(file, indent, "ConformantString", phase, var->name, *type_offset + (has_size ? 4 : 2)); } } else if (is_array_type(var->attrs, var->ptr_level, var->array)) { const char *array_type; if (var->array && list_count(var->array) > 1) /* multi-dimensional array */ array_type = "ComplexArray"; else { const expr_t *dim = LIST_ENTRY( list_head( var->array ), expr_t, entry ); if (!has_length && !has_size) array_type = "FixedArray"; else if (has_length && !has_size) { 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, length_is, 1); fprintf(file, ";\n\n"); } array_type = "VaryingArray"; } else if (!has_length && has_size) { if (is_size_needed_for_phase(phase) && phase != PHASE_FREE) { print_file(file, indent, "_StubMsg.MaxCount = (unsigned long)"); write_expr(file, size_is ? size_is : dim, 1); fprintf(file, ";\n\n"); } array_type = "ConformantArray"; } else { if (is_size_needed_for_phase(phase)) { print_file(file, indent, "_StubMsg.MaxCount = (unsigned long)"); write_expr(file, size_is ? size_is : dim, 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"; } } 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->name, *type_offset); else print_phase_function(file, indent, array_type, phase, var->name, *type_offset + 4); } } else if (var->ptr_level == 0 && is_base_type(rtype)) { print_phase_basetype(file, indent, phase, pass, var, var->name); } else if (var->ptr_level == 0) { switch (rtype) { case RPC_FC_STRUCT: print_phase_function(file, indent, "SimpleStruct", phase, var->name, *type_offset); break; case RPC_FC_CSTRUCT: case RPC_FC_CPSTRUCT: print_phase_function(file, indent, "ConformantStruct", phase, var->name, *type_offset); break; case RPC_FC_CVSTRUCT: print_phase_function(file, indent, "ConformantVaryingStruct", phase, var->name, *type_offset); break; case RPC_FC_BOGUS_STRUCT: print_phase_function(file, indent, "ComplexStruct", phase, var->name, *type_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->name, *type_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->name, *type_offset); } break; default: error("write_remoting_arguments: Unsupported type: %s (0x%02x, ptr_level: %d)\n", var->name, rtype, var->ptr_level); } } else { if ((var->ptr_level == 1) && (pointer_type == RPC_FC_RP) && is_base_type(rtype)) { print_phase_basetype(file, indent, phase, pass, var, var->name); } else if ((var->ptr_level == 1) && (pointer_type == RPC_FC_RP) && (rtype == RPC_FC_STRUCT)) { if (phase != PHASE_BUFFERSIZE && phase != PHASE_FREE) print_phase_function(file, indent, "SimpleStruct", phase, var->name, *type_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->name, *type_offset); } } fprintf(file, "\n"); next: *type_offset += get_size_typeformatstring_var(var); } } size_t get_size_procformatstring_var(const var_t *var) { unsigned int type_offset = 2; return write_procformatstring_var(NULL, 0, var, FALSE, &type_offset); } 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, NULL)) size += 2; /* FC_END and FC_PAD */ else size += get_size_procformatstring_var(func->def); return size; } size_t get_size_typeformatstring_var(const var_t *var) { unsigned int type_offset = 0; write_typeformatstring_var(NULL, 0, var, &type_offset); return type_offset; } 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) { const ifref_t *iface; size_t size = 3; const func_t *func; const var_t *var; 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)) continue; /* argument list size */ if (func->args) LIST_FOR_EACH_ENTRY( var, func->args, const var_t, entry ) size += get_size_typeformatstring_var(var); } } } return size; } 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, "%ld", 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->ref, NULL, e->u.tref->name); fprintf(h, ")"); write_struct_expr(h, e->ref, 1, fields, structvar); break; case EXPR_SIZEOF: fprintf(h, "sizeof("); write_type(h, e->u.tref->ref, NULL, e->u.tref->name); 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, NULL)) { print_file(file, indent, ""); write_type(file, def->type, def, def->tname); fprintf(file, " _RetVal;\n"); } if (!func->args) return; LIST_FOR_EACH_ENTRY( var, func->args, const var_t, entry ) { const expr_t *size_is = get_attrp(var->attrs, ATTR_SIZEIS); int has_size = size_is && (size_is->type != EXPR_VOID); 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 && !has_size && !is_string) { int indirection; print_file(file, indent, ""); write_type(file, var->type, NULL, var->tname); for (indirection = 0; indirection < var->ptr_level - 1; indirection++) fprintf(file, "*"); fprintf(file, " _W%u;\n", i++); } print_file(file, indent, ""); write_type(file, var->type, var, var->tname); fprintf(file, " "); write_name(file, var); write_array(file, var->array, 0); fprintf(file, ";\n"); } } 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; const expr_t *size_is; int has_size; if (!func->args) return; LIST_FOR_EACH_ENTRY( var, func->args, const var_t, entry ) { int is_string = is_attr(var->attrs, ATTR_STRING); size_is = get_attrp(var->attrs, ATTR_SIZEIS); has_size = size_is && (size_is->type != EXPR_VOID); 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 (has_size) { unsigned int size; type_t *type = var->type; fprintf(file, " = NdrAllocate(&_StubMsg, "); write_expr(file, size_is, 1); size = get_type_memsize(type); fprintf(file, " * %u);\n", size); } else if (!is_string) { fprintf(file, " = &_W%u;\n", i); if (var->ptr_level > 1) 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"); }