Rob Shearman : widl: Generate client and server code for using context handles.
Module: wine Branch: master Commit: 2055e636aecbb0c54c5febd4510af9471903eda2 URL: http://source.winehq.org/git/wine.git/?a=commit;h=2055e636aecbb0c54c5febd451... Author: Rob Shearman <rob(a)codeweavers.com> Date: Thu Sep 27 17:38:27 2007 -0700 widl: Generate client and server code for using context handles. --- tools/widl/header.h | 9 +++ tools/widl/server.c | 17 +++++-- tools/widl/typegen.c | 140 +++++++++++++++++++++++++++++++++++++++++++------- 3 files changed, 143 insertions(+), 23 deletions(-) diff --git a/tools/widl/header.h b/tools/widl/header.h index 19a90a3..3c6a124 100644 --- a/tools/widl/header.h +++ b/tools/widl/header.h @@ -73,4 +73,13 @@ static inline int is_string_type(const attr_list_t *attrs, const type_t *type) return is_attr(attrs, ATTR_STRING) && (last_ptr(type) || last_array(type)); } +static inline int is_context_handle(const type_t *type) +{ + const type_t *t; + for (t = type; is_ptr(t); t = t->ref) + if (is_attr(t->attrs, ATTR_CONTEXTHANDLE)) + return 1; + return 0; +} + #endif diff --git a/tools/widl/server.c b/tools/widl/server.c index fd94c9a..f708d25 100644 --- a/tools/widl/server.c +++ b/tools/widl/server.c @@ -184,10 +184,19 @@ static void write_function_stubs(type_t *iface, unsigned int *proc_offset) first_arg = 0; else fprintf(server, ",\n"); - print_server(""); - if (var->type->declarray) - fprintf(server, "*"); - write_name(server, var); + if (is_context_handle(var->type)) + { + print_server("("); + write_type_left(server, var->type); + fprintf(server, ")%sNDRSContextValue(%s)", is_ptr(var->type) ? "" : "*", var->name); + } + else + { + print_server(""); + if (var->type->declarray) + fprintf(server, "*"); + write_name(server, var); + } } fprintf(server, ");\n"); indent--; diff --git a/tools/widl/typegen.c b/tools/widl/typegen.c index c2e16e5..88bb7c9 100644 --- a/tools/widl/typegen.c +++ b/tools/widl/typegen.c @@ -216,6 +216,16 @@ static int is_embedded_complex(const type_t *type) || (is_ptr(type) && type->ref->type == RPC_FC_IP); } +static const char *get_context_handle_type_name(const type_t *type) +{ + const type_t *t; + for (t = type; is_ptr(t); t = t->ref) + if (is_attr(t->attrs, ATTR_CONTEXTHANDLE)) + return t->name; + assert(0); + return NULL; +} + static int compare_expr(const expr_t *a, const expr_t *b) { int ret; @@ -1933,6 +1943,50 @@ static size_t write_ip_tfs(FILE *file, const attr_list_t *attrs, type_t *type, return start_offset; } +static size_t write_contexthandle_tfs(FILE *file, const type_t *type, + const var_t *var, + unsigned int *typeformat_offset) +{ + size_t start_offset = *typeformat_offset; + unsigned char flags = 0x08 /* strict */; + + if (is_ptr(type)) + { + flags |= 0x80; + if (type->type != RPC_FC_RP) + flags |= 0x01; + } + if (is_attr(var->attrs, ATTR_IN)) + flags |= 0x40; + if (is_attr(var->attrs, ATTR_OUT)) + flags |= 0x20; + + WRITE_FCTYPE(file, FC_BIND_CONTEXT, *typeformat_offset); + print_file(file, 2, "0x%x,\t/* Context flags: ", flags); + if (((flags & 0x21) != 0x21) && (flags & 0x01)) + print_file(file, 0, "can't be null, "); + if (flags & 0x02) + print_file(file, 0, "serialize, "); + if (flags & 0x04) + print_file(file, 0, "no serialize, "); + if (flags & 0x08) + print_file(file, 0, "strict, "); + if ((flags & 0x21) == 0x20) + print_file(file, 0, "out, "); + if ((flags & 0x21) == 0x21) + print_file(file, 0, "return, "); + if (flags & 0x40) + print_file(file, 0, "in, "); + if (flags & 0x80) + print_file(file, 0, "via ptr, "); + print_file(file, 0, "*/\n"); + print_file(file, 2, "0, /* FIXME: rundown routine index*/\n"); + print_file(file, 2, "0, /* FIXME: param num */\n"); + *typeformat_offset += 4; + + return start_offset; +} + static int get_ptr_attr(const type_t *t, int def_type) { while (TRUE) @@ -1953,6 +2007,9 @@ static size_t write_typeformatstring_var(FILE *file, int indent, const func_t *f int pointer_type; size_t offset; + if (is_context_handle(type)) + return write_contexthandle_tfs(file, type, var, typeformat_offset); + if (is_user_type(type)) { write_user_tfs(file, type, typeformat_offset); @@ -2295,12 +2352,20 @@ static unsigned int get_required_buffer_size(const var_t *var, unsigned int *ali { int in_attr = is_attr(var->attrs, ATTR_IN); int out_attr = is_attr(var->attrs, ATTR_OUT); + const type_t *t; if (!in_attr && !out_attr) in_attr = 1; *alignment = 0; + for (t = var->type; is_ptr(t); t = t->ref) + if (is_attr(t->attrs, ATTR_CONTEXTHANDLE)) + { + *alignment = 4; + return 20; + } + if (pass == PASS_OUT) { if (out_attr && is_ptr(var->type)) @@ -2579,7 +2644,39 @@ void write_remoting_arguments(FILE *file, int indent, const func_t *func, rtype = type->type; - if (is_user_type(var->type)) + if (is_context_handle(type)) + { + if (phase == PHASE_MARSHAL) + { + if (pass == PASS_IN) + { + print_file(file, indent, "NdrClientContextMarshall(\n"); + print_file(file, indent + 1, "&_StubMsg,\n"); + print_file(file, indent + 1, "(NDR_CCONTEXT)%s%s,\n", is_ptr(type) ? "*" : "", var->name); + print_file(file, indent + 1, "%s);\n", in_attr && out_attr ? "1" : "0"); + } + else + { + print_file(file, indent, "NdrServerContextMarshall(\n"); + print_file(file, indent + 1, "&_StubMsg,\n"); + print_file(file, indent + 1, "(NDR_SCONTEXT)%s,\n", var->name); + print_file(file, indent + 1, "(NDR_RUNDOWN)%s_rundown);\n", get_context_handle_type_name(var->type)); + } + } + else if (phase == PHASE_UNMARSHAL) + { + if (pass == PASS_OUT) + { + print_file(file, indent, "NdrClientContextUnmarshall(\n"); + print_file(file, indent + 1, "&_StubMsg,\n"); + print_file(file, indent + 1, "(NDR_CCONTEXT *)%s,\n", var->name); + print_file(file, indent + 1, "_Handle);\n"); + } + else + print_file(file, indent, "%s = NdrServerContextUnmarshall(&_StubMsg);\n", var->name); + } + } + else if (is_user_type(var->type)) { print_phase_function(file, indent, "UserMarshal", phase, var, start_offset); } @@ -2906,28 +3003,33 @@ void declare_stub_args( FILE *file, int indent, const func_t *func ) if (!out_attr && !in_attr) in_attr = 1; - if (!in_attr && !var->type->size_is && !is_string) + if (is_context_handle(var->type)) + print_file(file, indent, "NDR_SCONTEXT %s;\n", var->name); + else { + 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(file, var->type->ref, FALSE, "_W%u", i++); + 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"); - } - - 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); + if (decl_indirect(var->type)) + print_file(file, indent, "void *_p_%s = &%s;\n", + var->name, var->name); + } } }
participants (1)
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Alexandre Julliard