+++ /dev/null
-###################################################
-# EJS function wrapper generator
-# Copyright jelmer@samba.org 2005
-# Copyright Andrew Tridgell 2005
-# released under the GNU GPL
-
-package Parse::Pidl::Samba4::EJS;
-
-use Exporter;
-@ISA = qw(Exporter);
-@EXPORT_OK = qw(check_null_pointer fn_declare TypeFunctionName);
-
-use strict;
-use Parse::Pidl::Typelist qw(typeHasBody);
-use Parse::Pidl::CUtil qw(get_pointer_to get_value_of);
-use Parse::Pidl::Util qw(has_property ParseExpr);
-use Parse::Pidl::NDR qw(GetPrevLevel GetNextLevel);
-use Parse::Pidl::Samba4::Header qw(GenerateStructEnv GenerateFunctionInEnv
- GenerateFunctionOutEnv);
-
-use vars qw($VERSION);
-$VERSION = '0.01';
-
-sub new($) {
- my ($class) = @_;
- my $self = { res => "", res_hdr => "", tabs => "", constants => {}};
- bless($self, $class);
-}
-
-sub pidl_hdr ($$)
-{
- my $self = shift;
- $self->{res_hdr} .= shift;
-}
-
-sub pidl($$)
-{
- my ($self, $d) = @_;
- if ($d) {
- $self->{res} .= $self->{tabs};
- $self->{res} .= $d;
- }
- $self->{res} .= "\n";
-}
-
-sub indent($)
-{
- my ($self) = @_;
- $self->{tabs} .= "\t";
-}
-
-sub deindent($)
-{
- my ($self) = @_;
- $self->{tabs} = substr($self->{tabs}, 0, -1);
-}
-
-#####################################################################
-# check that a variable we get from ParseExpr isn't a null pointer
-sub check_null_pointer($$)
-{
- my ($self, $size) = @_;
- if ($size =~ /^\*/) {
- my $size2 = substr($size, 1);
- $self->pidl("if ($size2 == NULL) return NT_STATUS_INVALID_PARAMETER_MIX;");
- }
-}
-
-#####################################################################
-# work out is a parse function should be declared static or not
-sub fn_declare($$$)
-{
- my ($self,$fn,$decl) = @_;
-
- if (has_property($fn, "public")) {
- $self->pidl_hdr("$decl;\n");
- $self->pidl("_PUBLIC_ $decl");
- } else {
- $self->pidl("static $decl");
- }
-}
-
-###########################
-# pull a scalar element
-sub EjsPullScalar($$$$$$$)
-{
- my ($self, $e, $l, $var, $name, $env) = @_;
-
- return if (has_property($e, "value"));
-
- if (ref($e->{TYPE}) eq "HASH" and not defined($e->{TYPE}->{NAME})) {
- $self->EjsTypePull($e->{TYPE}, $var);
- } else {
- my $pl = Parse::Pidl::NDR::GetPrevLevel($e, $l);
- $var = get_pointer_to($var);
- # have to handle strings specially :(
- if (Parse::Pidl::Typelist::scalar_is_reference($e->{TYPE})
- and (defined($pl) and $pl->{TYPE} eq "POINTER")) {
- $var = get_pointer_to($var);
- }
-
- my $t;
- if (ref($e->{TYPE}) eq "HASH") {
- $t = "$e->{TYPE}->{TYPE}_$e->{TYPE}->{NAME}";
- } else {
- $t = $e->{TYPE};
- }
- $self->pidl("EJS_CHECK(ejs_pull_$t(ejs, v, $name, $var));");
- }
-}
-
-###########################
-# pull a pointer element
-sub EjsPullPointer($$$$$$)
-{
- my ($self, $e, $l, $var, $name, $env) = @_;
- $self->pidl("if (ejs_pull_null(ejs, v, $name)) {");
- $self->indent;
- if ($l->{POINTER_TYPE} eq "ref") {
- $self->pidl("return NT_STATUS_INVALID_PARAMETER_MIX;");
- } else {
- $self->pidl("$var = NULL;");
- }
- $self->deindent;
- $self->pidl("} else {");
- $self->indent;
- $self->pidl("EJS_ALLOC(ejs, $var);");
- $var = get_value_of($var);
- $self->EjsPullElement($e, GetNextLevel($e, $l), $var, $name, $env);
- $self->deindent;
- $self->pidl("}");
-}
-
-###########################
-# pull a string element
-sub EjsPullString($$$$$$)
-{
- my ($self, $e, $l, $var, $name, $env) = @_;
- my $pl = GetPrevLevel($e, $l);
- $var = get_pointer_to($var);
- if (defined($pl) and $pl->{TYPE} eq "POINTER") {
- $var = get_pointer_to($var);
- }
- $self->pidl("EJS_CHECK(ejs_pull_string(ejs, v, $name, $var));");
-}
-
-###########################
-# pull an array element
-sub EjsPullArray($$$$$$)
-{
- my ($self, $e, $l, $var, $name, $env) = @_;
- my $nl = GetNextLevel($e, $l);
- my $length = ParseExpr($l->{LENGTH_IS}, $env, $e);
- my $size = ParseExpr($l->{SIZE_IS}, $env, $e);
- my $pl = GetPrevLevel($e, $l);
- if ($pl && $pl->{TYPE} eq "POINTER") {
- $var = get_pointer_to($var);
- }
- # uint8 arrays are treated as data blobs
- if ($nl->{TYPE} eq 'DATA' && $e->{TYPE} eq 'uint8') {
- if (!$l->{IS_FIXED}) {
- $self->check_null_pointer($size);
- $self->pidl("EJS_ALLOC_N(ejs, $var, $size);");
- }
- $self->check_null_pointer($length);
- $self->pidl("ejs_pull_array_uint8(ejs, v, $name, $var, $length);");
- return;
- }
- my $avar = $var . "[i]";
- $self->pidl("{");
- $self->indent;
- $self->pidl("uint32_t i;");
- if (!$l->{IS_FIXED}) {
- $self->pidl("EJS_ALLOC_N(ejs, $var, $size);");
- }
- $self->pidl("for (i=0;i<$length;i++) {");
- $self->indent;
- $self->pidl("char *id = talloc_asprintf(ejs, \"%s.%u\", $name, i);");
- $self->EjsPullElement($e, $nl, $avar, "id", $env);
- $self->pidl("talloc_free(id);");
- $self->deindent;
- $self->pidl("}");
- $self->pidl("ejs_push_uint32(ejs, v, $name \".length\", &i);");
- $self->deindent;
- $self->pidl("}");
-}
-
-###########################
-# pull a switch element
-sub EjsPullSwitch($$$$$$)
-{
- my ($self, $e, $l, $var, $name, $env) = @_;
- my $switch_var = ParseExpr($l->{SWITCH_IS}, $env, $e);
- $self->pidl("ejs_set_switch(ejs, $switch_var);");
- $self->EjsPullElement($e, GetNextLevel($e, $l), $var, $name, $env);
-}
-
-###########################
-# pull a structure element
-sub EjsPullElement($$$$$$)
-{
- my ($self, $e, $l, $var, $name, $env) = @_;
- if (($l->{TYPE} eq "POINTER")) {
- $self->EjsPullPointer($e, $l, $var, $name, $env);
- } elsif (has_property($e, "charset")) {
- $self->EjsPullString($e, $l, $var, $name, $env);
- } elsif ($l->{TYPE} eq "ARRAY") {
- $self->EjsPullArray($e, $l, $var, $name, $env);
- } elsif ($l->{TYPE} eq "DATA") {
- $self->EjsPullScalar($e, $l, $var, $name, $env);
- } elsif (($l->{TYPE} eq "SWITCH")) {
- $self->EjsPullSwitch($e, $l, $var, $name, $env);
- } else {
- $self->pidl("return ejs_panic(ejs, \"unhandled pull type $l->{TYPE}\");");
- }
-}
-
-#############################################
-# pull a structure/union element at top level
-sub EjsPullElementTop($$$)
-{
- my ($self, $e, $env) = @_;
- my $l = $e->{LEVELS}[0];
- my $var = ParseExpr($e->{NAME}, $env, $e);
- my $name = "\"$e->{NAME}\"";
- $self->EjsPullElement($e, $l, $var, $name, $env);
-}
-
-###########################
-# pull a struct
-sub EjsStructPull($$$)
-{
- my ($self, $d, $varname) = @_;
- my $env = GenerateStructEnv($d, $varname);
- $self->pidl("EJS_CHECK(ejs_pull_struct_start(ejs, &v, name));");
- foreach my $e (@{$d->{ELEMENTS}}) {
- $self->EjsPullElementTop($e, $env);
- }
-}
-
-###########################
-# pull a union
-sub EjsUnionPull($$$)
-{
- my ($self, $d, $varname) = @_;
- my $have_default = 0;
- $self->pidl("EJS_CHECK(ejs_pull_struct_start(ejs, &v, name));");
- $self->pidl("switch (ejs->switch_var) {");
- $self->indent;
- foreach my $e (@{$d->{ELEMENTS}}) {
- if ($e->{CASE} eq "default") {
- $have_default = 1;
- }
- $self->pidl("$e->{CASE}:");
- $self->indent;
- if ($e->{TYPE} ne "EMPTY") {
- $self->EjsPullElementTop($e, { $e->{NAME} => "$varname->$e->{NAME}"});
- }
- $self->pidl("break;");
- $self->deindent;
- }
- if (! $have_default) {
- $self->pidl("default:");
- $self->indent;
- $self->pidl("return ejs_panic(ejs, \"Bad switch value\");");
- $self->deindent;
- }
- $self->deindent;
- $self->pidl("}");
-}
-
-##############################################
-# put the enum elements in the constants array
-sub EjsEnumConstant($$)
-{
- my ($self, $d) = @_;
- return unless (defined($d->{ELEMENTS}));
- my $v = 0;
- foreach my $e (@{$d->{ELEMENTS}}) {
- my $el = $e;
- chomp $el;
- if ($el =~ /^(.*)=\s*(.*)\s*$/) {
- $el = $1;
- $v = $2;
- }
- $self->{constants}->{$el} = $v;
- $v++;
- }
-}
-
-###########################
-# pull a enum
-sub EjsEnumPull($$$)
-{
- my ($self, $d, $varname) = @_;
- $self->EjsEnumConstant($d);
- $self->pidl("unsigned e;");
- $self->pidl("EJS_CHECK(ejs_pull_enum(ejs, v, name, &e));");
- $self->pidl("*$varname = e;");
-}
-
-###########################
-# pull a bitmap
-sub EjsBitmapPull($$$)
-{
- my ($self, $d, $varname) = @_;
- my $type_fn = $d->{BASE_TYPE};
- $self->pidl("EJS_CHECK(ejs_pull_$type_fn(ejs, v, name, $varname));");
-}
-
-sub EjsTypePullFunction($$$)
-{
- sub EjsTypePullFunction($$$);
- my ($self, $d, $name) = @_;
- return if (has_property($d, "noejs"));
-
- if ($d->{TYPE} eq "TYPEDEF") {
- $self->EjsTypePullFunction($d->{DATA}, $name);
- return;
- }
-
- if ($d->{TYPE} eq "STRUCT") {
- $self->fn_declare($d, "NTSTATUS ejs_pull_$name(struct ejs_rpc *ejs, struct MprVar *v, const char *name, struct $name *r)");
- } elsif ($d->{TYPE} eq "UNION") {
- $self->fn_declare($d, "NTSTATUS ejs_pull_$name(struct ejs_rpc *ejs, struct MprVar *v, const char *name, union $name *r)");
- } elsif ($d->{TYPE} eq "ENUM") {
- $self->fn_declare($d, "NTSTATUS ejs_pull_$name(struct ejs_rpc *ejs, struct MprVar *v, const char *name, enum $name *r)");
- } elsif ($d->{TYPE} eq "BITMAP") {
- my($type_decl) = Parse::Pidl::Typelist::mapTypeName($d->{BASE_TYPE});
- $self->fn_declare($d, "NTSTATUS ejs_pull_$name(struct ejs_rpc *ejs, struct MprVar *v, const char *name, $type_decl *r)");
- }
- $self->pidl("{");
- $self->indent;
-
- $self->EjsTypePull($d, "r");
-
- $self->pidl("return NT_STATUS_OK;");
- $self->deindent;
- $self->pidl("}\n");
-}
-
-sub EjsTypePull($$$)
-{
- my ($self, $d, $varname) = @_;
- if ($d->{TYPE} eq 'STRUCT') {
- $self->EjsStructPull($d, $varname);
- } elsif ($d->{TYPE} eq 'UNION') {
- $self->EjsUnionPull($d, $varname);
- } elsif ($d->{TYPE} eq 'ENUM') {
- $self->EjsEnumPull($d, $varname);
- } elsif ($d->{TYPE} eq 'BITMAP') {
- $self->EjsBitmapPull($d, $varname);
- } else {
- warn "Unhandled pull $varname of type $d->{TYPE}";
- }
-}
-
-#####################
-# generate a function
-sub EjsPullFunction($$)
-{
- my ($self, $d) = @_;
- my $env = GenerateFunctionInEnv($d);
- my $name = $d->{NAME};
-
- $self->pidl("\nstatic NTSTATUS ejs_pull_$name(struct ejs_rpc *ejs, struct MprVar *v, struct $name *r)");
- $self->pidl("{");
- $self->indent;
- $self->pidl("EJS_CHECK(ejs_pull_struct_start(ejs, &v, \"input\"));");
-
- # we pull non-array elements before array elements as arrays
- # may have length_is() or size_is() properties that depend
- # on the non-array elements
- foreach my $e (@{$d->{ELEMENTS}}) {
- next unless (grep(/in/, @{$e->{DIRECTION}}));
- next if (has_property($e, "length_is") || has_property($e, "size_is"));
- $self->EjsPullElementTop($e, $env);
- }
-
- foreach my $e (@{$d->{ELEMENTS}}) {
- next unless (grep(/in/, @{$e->{DIRECTION}}));
- next unless (has_property($e, "length_is") || has_property($e, "size_is"));
- $self->EjsPullElementTop($e, $env);
- }
-
- $self->pidl("return NT_STATUS_OK;");
- $self->deindent;
- $self->pidl("}\n");
-}
-
-###########################
-# push a scalar element
-sub EjsPushScalar($$$$$$)
-{
- my ($self, $e, $l, $var, $name, $env) = @_;
-
- if (ref($e->{TYPE}) eq "HASH" and not defined($e->{TYPE}->{NAME})) {
- $self->EjsTypePush($e->{TYPE}, get_pointer_to($var));
- } else {
- # have to handle strings specially :(
- my $pl = GetPrevLevel($e, $l);
-
- if ((not Parse::Pidl::Typelist::scalar_is_reference($e->{TYPE}))
- or (defined($pl) and $pl->{TYPE} eq "POINTER")) {
- $var = get_pointer_to($var);
- }
-
- $self->pidl("EJS_CHECK(".TypeFunctionName("ejs_push", $e->{TYPE})."(ejs, v, $name, $var));");
- }
-}
-
-###########################
-# push a string element
-sub EjsPushString($$$$$$)
-{
- my ($self, $e, $l, $var, $name, $env) = @_;
- my $pl = GetPrevLevel($e, $l);
- if (defined($pl) and $pl->{TYPE} eq "POINTER") {
- $var = get_pointer_to($var);
- }
- $self->pidl("EJS_CHECK(ejs_push_string(ejs, v, $name, $var));");
-}
-
-###########################
-# push a pointer element
-sub EjsPushPointer($$$$$$)
-{
- my ($self, $e, $l, $var, $name, $env) = @_;
- $self->pidl("if (NULL == $var) {");
- $self->indent;
- if ($l->{POINTER_TYPE} eq "ref") {
- $self->pidl("return NT_STATUS_INVALID_PARAMETER_MIX;");
- } else {
- $self->pidl("EJS_CHECK(ejs_push_null(ejs, v, $name));");
- }
- $self->deindent;
- $self->pidl("} else {");
- $self->indent;
- $var = get_value_of($var);
- $self->EjsPushElement($e, GetNextLevel($e, $l), $var, $name, $env);
- $self->deindent;
- $self->pidl("}");
-}
-
-###########################
-# push a switch element
-sub EjsPushSwitch($$$$$$)
-{
- my ($self, $e, $l, $var, $name, $env) = @_;
- my $switch_var = ParseExpr($l->{SWITCH_IS}, $env, $e);
- $self->pidl("ejs_set_switch(ejs, $switch_var);");
- $self->EjsPushElement($e, GetNextLevel($e, $l), $var, $name, $env);
-}
-
-###########################
-# push an array element
-sub EjsPushArray($$$$$$)
-{
- my ($self, $e, $l, $var, $name, $env) = @_;
- my $nl = GetNextLevel($e, $l);
- my $length = ParseExpr($l->{LENGTH_IS}, $env, $e);
- my $pl = GetPrevLevel($e, $l);
- if ($pl && $pl->{TYPE} eq "POINTER") {
- $var = get_pointer_to($var);
- }
- # uint8 arrays are treated as data blobs
- if ($nl->{TYPE} eq 'DATA' && $e->{TYPE} eq 'uint8') {
- $self->check_null_pointer($length);
- $self->pidl("ejs_push_array_uint8(ejs, v, $name, $var, $length);");
- return;
- }
- my $avar = $var . "[i]";
- $self->pidl("{");
- $self->indent;
- $self->pidl("uint32_t i;");
- $self->pidl("for (i=0;i<$length;i++) {");
- $self->indent;
- $self->pidl("const char *id = talloc_asprintf(ejs, \"%s.%u\", $name, i);");
- $self->EjsPushElement($e, $nl, $avar, "id", $env);
- $self->deindent;
- $self->pidl("}");
- $self->pidl("ejs_push_uint32(ejs, v, $name \".length\", &i);");
- $self->deindent;
- $self->pidl("}");
-}
-
-################################
-# push a structure/union element
-sub EjsPushElement($$$$$$)
-{
- my ($self, $e, $l, $var, $name, $env) = @_;
- if (($l->{TYPE} eq "POINTER")) {
- $self->EjsPushPointer($e, $l, $var, $name, $env);
- } elsif (has_property($e, "charset")) {
- $self->EjsPushString($e, $l, $var, $name, $env);
- } elsif ($l->{TYPE} eq "ARRAY") {
- $self->EjsPushArray($e, $l, $var, $name, $env);
- } elsif ($l->{TYPE} eq "DATA") {
- $self->EjsPushScalar($e, $l, $var, $name, $env);
- } elsif (($l->{TYPE} eq "SWITCH")) {
- $self->EjsPushSwitch($e, $l, $var, $name, $env);
- } else {
- $self->pidl("return ejs_panic(ejs, \"unhandled push type $l->{TYPE}\");");
- }
-}
-
-#############################################
-# push a structure/union element at top level
-sub EjsPushElementTop($$$)
-{
- my ($self, $e, $env) = @_;
- my $l = $e->{LEVELS}[0];
- my $var = ParseExpr($e->{NAME}, $env, $e);
- my $name = "\"$e->{NAME}\"";
- $self->EjsPushElement($e, $l, $var, $name, $env);
-}
-
-###########################
-# push a struct
-sub EjsStructPush($$$)
-{
- my ($self, $d, $varname) = @_;
- my $env = GenerateStructEnv($d, $varname);
- $self->pidl("EJS_CHECK(ejs_push_struct_start(ejs, &v, name));");
- foreach my $e (@{$d->{ELEMENTS}}) {
- $self->EjsPushElementTop($e, $env);
- }
-}
-
-###########################
-# push a union
-sub EjsUnionPush($$$)
-{
- my ($self, $d, $varname) = @_;
- my $have_default = 0;
- $self->pidl("EJS_CHECK(ejs_push_struct_start(ejs, &v, name));");
- $self->pidl("switch (ejs->switch_var) {");
- $self->indent;
- foreach my $e (@{$d->{ELEMENTS}}) {
- if ($e->{CASE} eq "default") {
- $have_default = 1;
- }
- $self->pidl("$e->{CASE}:");
- $self->indent;
- if ($e->{TYPE} ne "EMPTY") {
- $self->EjsPushElementTop($e, { $e->{NAME} => "$varname->$e->{NAME}"} );
- }
- $self->pidl("break;");
- $self->deindent;
- }
- if (! $have_default) {
- $self->pidl("default:");
- $self->indent;
- $self->pidl("return ejs_panic(ejs, \"Bad switch value\");");
- $self->deindent;
- }
- $self->deindent;
- $self->pidl("}");
-}
-
-###########################
-# push a enum
-sub EjsEnumPush($$$)
-{
- my ($self, $d, $varname) = @_;
- $self->EjsEnumConstant($d);
- $self->pidl("unsigned e = ".get_value_of($varname).";");
- $self->pidl("EJS_CHECK(ejs_push_enum(ejs, v, name, &e));");
-}
-
-###########################
-# push a bitmap
-sub EjsBitmapPush($$$)
-{
- my ($self, $d, $varname) = @_;
- return unless (defined($d->{ELEMENTS}));
- my $type_fn = $d->{BASE_TYPE};
- # put the bitmap elements in the constants array
- foreach my $e (@{$d->{ELEMENTS}}) {
- if ($e =~ /^(\w*)\s*(.*)\s*$/) {
- my $bname = $1;
- my $v = $2;
- $self->{constants}->{$bname} = $v;
- }
- }
- $self->pidl("EJS_CHECK(ejs_push_$type_fn(ejs, v, name, $varname));");
-}
-
-sub EjsTypePushFunction($$$)
-{
- sub EjsTypePushFunction($$$);
- my ($self, $d, $name) = @_;
- return if (has_property($d, "noejs"));
-
- my $var = undef;
- my $dt = $d;
- if ($dt->{TYPE} eq "TYPEDEF") {
- $dt = $dt->{DATA};
- }
- if ($dt->{TYPE} eq "STRUCT") {
- $var = "const struct $name *r";
- } elsif ($dt->{TYPE} eq "UNION") {
- $var = "const union $name *r";
- } elsif ($dt->{TYPE} eq "ENUM") {
- $var = "const enum $name *r";
- } elsif ($dt->{TYPE} eq "BITMAP") {
- my($type_decl) = Parse::Pidl::Typelist::mapTypeName($dt->{BASE_TYPE});
- $var = "const $type_decl *r";
- }
- $self->fn_declare($d, "NTSTATUS ".TypeFunctionName("ejs_push", $d) . "(struct ejs_rpc *ejs, struct MprVar *v, const char *name, $var)");
- $self->pidl("{");
- $self->indent;
- $self->EjsTypePush($d, "r");
- $self->pidl("return NT_STATUS_OK;");
- $self->deindent;
- $self->pidl("}\n");
-}
-
-sub EjsTypePush($$$)
-{
- sub EjsTypePush($$$);
- my ($self, $d, $varname) = @_;
-
- if ($d->{TYPE} eq 'STRUCT') {
- $self->EjsStructPush($d, $varname);
- } elsif ($d->{TYPE} eq 'UNION') {
- $self->EjsUnionPush($d, $varname);
- } elsif ($d->{TYPE} eq 'ENUM') {
- $self->EjsEnumPush($d, $varname);
- } elsif ($d->{TYPE} eq 'BITMAP') {
- $self->EjsBitmapPush($d, $varname);
- } elsif ($d->{TYPE} eq 'TYPEDEF') {
- $self->EjsTypePush($d->{DATA}, $varname);
- } else {
- warn "Unhandled push $varname of type $d->{TYPE}";
- }
-}
-
-#####################
-# generate a function
-sub EjsPushFunction($$)
-{
- my ($self, $d) = @_;
- my $env = GenerateFunctionOutEnv($d);
-
- $self->pidl("\nstatic NTSTATUS ejs_push_$d->{NAME}(struct ejs_rpc *ejs, struct MprVar *v, const struct $d->{NAME} *r)");
- $self->pidl("{");
- $self->indent;
- $self->pidl("EJS_CHECK(ejs_push_struct_start(ejs, &v, \"output\"));");
-
- foreach my $e (@{$d->{ELEMENTS}}) {
- next unless (grep(/out/, @{$e->{DIRECTION}}));
- $self->EjsPushElementTop($e, $env);
- }
-
- if ($d->{RETURN_TYPE}) {
- $self->pidl("EJS_CHECK(".TypeFunctionName("ejs_push", $d->{RETURN_TYPE})."(ejs, v, \"result\", &r->out.result));");
- }
-
- $self->pidl("return NT_STATUS_OK;");
- $self->deindent;
- $self->pidl("}\n");
-}
-
-#################################
-# generate a ejs mapping function
-sub EjsFunction($$$)
-{
- my ($self, $d, $iface) = @_;
- my $name = $d->{NAME};
- my $callnum = uc("NDR_$name");
- my $table = "&ndr_table_$iface";
-
- $self->pidl("static int ejs_$name(int eid, int argc, struct MprVar **argv)");
- $self->pidl("{");
- $self->indent;
- $self->pidl("return ejs_rpc_call(eid, argc, argv, $table, $callnum, (ejs_pull_function_t)ejs_pull_$name, (ejs_push_function_t)ejs_push_$name);");
- $self->deindent;
- $self->pidl("}\n");
-}
-
-###################
-# handle a constant
-sub EjsConst($$)
-{
- my ($self, $const) = @_;
- $self->{constants}->{$const->{NAME}} = $const->{VALUE};
-}
-
-sub EjsImport
-{
- my $self = shift;
- my @imports = @_;
- foreach (@imports) {
- s/\.idl\"$//;
- s/^\"//;
- $self->pidl_hdr("#include \"librpc/gen_ndr/ndr_$_\_ejs\.h\"\n");
- }
-}
-
-#####################################################################
-# parse the interface definitions
-sub EjsInterface($$$)
-{
- my($self,$interface,$needed) = @_;
- my @fns = ();
- my $name = $interface->{NAME};
-
- $self->pidl_hdr("#ifndef _HEADER_EJS_$interface->{NAME}\n");
- $self->pidl_hdr("#define _HEADER_EJS_$interface->{NAME}\n\n");
-
- $self->pidl_hdr("\n");
-
- foreach my $d (@{$interface->{TYPES}}) {
- next unless (typeHasBody($d));
- ($needed->{TypeFunctionName("ejs_push", $d)}) && $self->EjsTypePushFunction($d, $d->{NAME});
- ($needed->{TypeFunctionName("ejs_pull", $d)}) && $self->EjsTypePullFunction($d, $d->{NAME});
- }
-
- foreach my $d (@{$interface->{FUNCTIONS}}) {
- next if not defined($d->{OPNUM});
- next if has_property($d, "noejs");
-
- $self->EjsPullFunction($d);
- $self->EjsPushFunction($d);
- $self->EjsFunction($d, $name);
-
- push (@fns, $d->{NAME});
- }
-
- foreach my $d (@{$interface->{CONSTS}}) {
- $self->EjsConst($d);
- }
-
- $self->pidl("static int ejs_$name\_init(int eid, int argc, struct MprVar **argv)");
- $self->pidl("{");
- $self->indent;
- $self->pidl("struct MprVar *obj = mprInitObject(eid, \"$name\", argc, argv);");
- foreach (@fns) {
- $self->pidl("mprSetCFunction(obj, \"$_\", ejs_$_);");
- }
- foreach my $v (keys %{$self->{constants}}) {
- my $value = $self->{constants}->{$v};
- if (substr($value, 0, 1) eq "\"") {
- $self->pidl("mprSetVar(obj, \"$v\", mprString($value));");
- } else {
- $self->pidl("mprSetVar(obj, \"$v\", mprCreateNumberVar($value));");
- }
- }
- $self->pidl("return ejs_rpc_init(obj, \"$name\");");
- $self->deindent;
- $self->pidl("}\n");
-
- $self->pidl("NTSTATUS ejs_init_$name(void)");
- $self->pidl("{");
- $self->indent;
- $self->pidl("ejsDefineCFunction(-1, \"$name\_init\", ejs_$name\_init, NULL, MPR_VAR_SCRIPT_HANDLE);");
- $self->pidl("return NT_STATUS_OK;");
- $self->deindent;
- $self->pidl("}");
-
- $self->pidl_hdr("\n");
- $self->pidl_hdr("#endif /* _HEADER_EJS_$interface->{NAME} */\n");
-}
-
-#####################################################################
-# parse a parsed IDL into a C header
-sub Parse($$$)
-{
- my($self,$ndr,$hdr) = @_;
-
- my $ejs_hdr = $hdr;
- $ejs_hdr =~ s/.h$/_ejs.h/;
-
- $self->pidl_hdr("/* header auto-generated by pidl */\n\n");
-
- $self->pidl("
-/* EJS wrapper functions auto-generated by pidl */
-#include \"includes.h\"
-#include \"librpc/rpc/dcerpc.h\"
-#include \"lib/appweb/ejs/ejs.h\"
-#include \"scripting/ejs/ejsrpc.h\"
-#include \"scripting/ejs/smbcalls.h\"
-#include \"librpc/gen_ndr/ndr_misc_ejs.h\"
-#include \"$hdr\"
-#include \"$ejs_hdr\"
-
-");
-
- my %needed = ();
-
- foreach my $x (@{$ndr}) {
- ($x->{TYPE} eq "INTERFACE") && NeededInterface($x, \%needed);
- }
-
- foreach my $x (@$ndr) {
- ($x->{TYPE} eq "INTERFACE") && $self->EjsInterface($x, \%needed);
- ($x->{TYPE} eq "IMPORT") && $self->EjsImport(@{$x->{PATHS}});
- }
-
- return ($self->{res_hdr}, $self->{res});
-}
-
-sub NeededFunction($$)
-{
- my ($fn,$needed) = @_;
-
- $needed->{"ejs_pull_$fn->{NAME}"} = 1;
- $needed->{"ejs_push_$fn->{NAME}"} = 1;
-
- foreach (@{$fn->{ELEMENTS}}) {
- next if (has_property($_, "subcontext")); #FIXME: Support subcontexts
- if (grep(/in/, @{$_->{DIRECTION}})) {
- $needed->{TypeFunctionName("ejs_pull", $_->{TYPE})} = 1;
- }
- if (grep(/out/, @{$_->{DIRECTION}})) {
- $needed->{TypeFunctionName("ejs_push", $_->{TYPE})} = 1;
- }
- }
-}
-
-sub NeededType($$$)
-{
- sub NeededType($$$);
- my ($t,$needed,$req) = @_;
-
- NeededType($t->{DATA}, $needed, $req) if ($t->{TYPE} eq "TYPEDEF");
-
- return unless (($t->{TYPE} eq "STRUCT") or ($t->{TYPE} eq "UNION"));
-
- return unless(typeHasBody($t));
-
- foreach (@{$t->{ELEMENTS}}) {
- next if (has_property($_, "subcontext")); #FIXME: Support subcontexts
- my $n;
- if (ref($_->{TYPE}) ne "HASH" or defined($_->{TYPE}->{NAME})) {
- $needed->{TypeFunctionName("ejs_$req", $_->{TYPE})} = 1;
- }
- NeededType($_->{TYPE}, $needed, $req) if (ref($_->{TYPE}) eq "HASH");
- }
-}
-
-#####################################################################
-# work out what parse functions are needed
-sub NeededInterface($$)
-{
- my ($interface,$needed) = @_;
-
- NeededFunction($_, $needed) foreach (@{$interface->{FUNCTIONS}});
-
- foreach (reverse @{$interface->{TYPES}}) {
- if (has_property($_, "public")) {
- $needed->{TypeFunctionName("ejs_pull", $_)} = not has_property($_, "noejs");
- $needed->{TypeFunctionName("ejs_push", $_)} = not has_property($_, "noejs");
- }
-
- NeededType($_, $needed, "pull") if ($needed->{TypeFunctionName("ejs_pull", $_)});
- NeededType($_, $needed, "push") if ($needed->{TypeFunctionName("ejs_push", $_)});
- }
-}
-
-sub TypeFunctionName($$)
-{
- my ($prefix, $t) = @_;
-
- return "$prefix\_$t->{NAME}" if (ref($t) eq "HASH" and
- $t->{TYPE} eq "TYPEDEF");
- return "$prefix\_$t->{TYPE}_$t->{NAME}" if (ref($t) eq "HASH");
- return "$prefix\_$t";
-}
-
-
-
-1;
git.samba.org / abartlet / samba.git / .git / blobdiff