summaryrefslogtreecommitdiff
path: root/pidl/lib/Parse/Pidl/Samba4/TDR.pm
diff options
context:
space:
mode:
Diffstat (limited to 'pidl/lib/Parse/Pidl/Samba4/TDR.pm')
-rw-r--r--pidl/lib/Parse/Pidl/Samba4/TDR.pm281
1 files changed, 281 insertions, 0 deletions
diff --git a/pidl/lib/Parse/Pidl/Samba4/TDR.pm b/pidl/lib/Parse/Pidl/Samba4/TDR.pm
new file mode 100644
index 0000000000..568dff5adf
--- /dev/null
+++ b/pidl/lib/Parse/Pidl/Samba4/TDR.pm
@@ -0,0 +1,281 @@
+###################################################
+# Trivial Parser Generator
+# Copyright jelmer@samba.org 2005-2007
+# released under the GNU GPL
+
+package Parse::Pidl::Samba4::TDR;
+use Parse::Pidl qw(fatal);
+use Parse::Pidl::Util qw(has_property ParseExpr is_constant);
+use Parse::Pidl::Samba4 qw(is_intree choose_header);
+
+use Exporter;
+@ISA = qw(Exporter);
+@EXPORT_OK = qw(ParserType $ret $ret_hdr);
+
+use vars qw($VERSION);
+$VERSION = '0.01';
+
+use strict;
+
+sub new($) {
+ my ($class) = shift;
+ my $self = { ret => "", ret_hdr => "", tabs => "" };
+ bless($self, $class);
+}
+
+sub indent($) { my $self = shift; $self->{tabs}.="\t"; }
+sub deindent($) { my $self = shift; $self->{tabs} = substr($self->{tabs}, 1); }
+sub pidl($$) { my $self = shift; $self->{ret} .= $self->{tabs}.(shift)."\n"; }
+sub pidl_hdr($$) { my $self = shift; $self->{ret_hdr} .= (shift)."\n"; }
+sub typearg($) {
+ my $t = shift;
+ return(", const char *name") if ($t eq "print");
+ return(", TALLOC_CTX *mem_ctx") if ($t eq "pull");
+ return("");
+}
+
+sub fn_declare($$$)
+{
+ my ($self, $p, $d) = @_;
+ if ($p) {
+ $self->pidl($d); $self->pidl_hdr("$d;");
+ } else {
+ $self->pidl("static $d");
+ }
+}
+
+sub ContainsArray($)
+{
+ my $e = shift;
+ foreach (@{$e->{ELEMENTS}}) {
+ next if (has_property($_, "charset") and
+ scalar(@{$_->{ARRAY_LEN}}) == 1);
+ return 1 if (defined($_->{ARRAY_LEN}) and
+ scalar(@{$_->{ARRAY_LEN}}) > 0);
+ }
+ return 0;
+}
+
+sub ParserElement($$$$)
+{
+ my ($self, $e,$t,$env) = @_;
+ my $switch = "";
+ my $array = "";
+ my $name = "";
+ my $mem_ctx = "mem_ctx";
+
+ fatal($e,"Pointers not supported in TDR") if ($e->{POINTERS} > 0);
+ fatal($e,"size_is() not supported in TDR") if (has_property($e, "size_is"));
+ fatal($e,"length_is() not supported in TDR") if (has_property($e, "length_is"));
+
+ if ($t eq "print") {
+ $name = ", \"$e->{NAME}\"$array";
+ }
+
+ if (has_property($e, "flag")) {
+ $self->pidl("{");
+ $self->indent;
+ $self->pidl("uint32_t saved_flags = tdr->flags;");
+ $self->pidl("tdr->flags |= $e->{PROPERTIES}->{flag};");
+ }
+
+ if (has_property($e, "charset")) {
+ fatal($e,"charset() on non-array element") unless (defined($e->{ARRAY_LEN}) and scalar(@{$e->{ARRAY_LEN}}) > 0);
+
+ my $len = ParseExpr(@{$e->{ARRAY_LEN}}[0], $env, $e);
+ if ($len eq "*") { $len = "-1"; }
+ $name = ", mem_ctx" if ($t eq "pull");
+ $self->pidl("TDR_CHECK(tdr_$t\_charset(tdr$name, &v->$e->{NAME}, $len, sizeof($e->{TYPE}_t), CH_$e->{PROPERTIES}->{charset}));");
+ return;
+ }
+
+ if (has_property($e, "switch_is")) {
+ $switch = ", " . ParseExpr($e->{PROPERTIES}->{switch_is}, $env, $e);
+ }
+
+ if (defined($e->{ARRAY_LEN}) and scalar(@{$e->{ARRAY_LEN}}) > 0) {
+ my $len = ParseExpr($e->{ARRAY_LEN}[0], $env, $e);
+
+ if ($t eq "pull" and not is_constant($len)) {
+ $self->pidl("TDR_ALLOC(mem_ctx, v->$e->{NAME}, $len);");
+ $mem_ctx = "v->$e->{NAME}";
+ }
+
+ $self->pidl("for (i = 0; i < $len; i++) {");
+ $self->indent;
+ $array = "[i]";
+ }
+
+ if ($t eq "pull") {
+ $name = ", $mem_ctx";
+ }
+
+ if (has_property($e, "value") && $t eq "push") {
+ $self->pidl("v->$e->{NAME} = ".ParseExpr($e->{PROPERTIES}->{value}, $env, $e).";");
+ }
+
+ $self->pidl("TDR_CHECK(tdr_$t\_$e->{TYPE}(tdr$name$switch, &v->$e->{NAME}$array));");
+
+ if ($array) { $self->deindent; $self->pidl("}"); }
+
+ if (has_property($e, "flag")) {
+ $self->pidl("tdr->flags = saved_flags;");
+ $self->deindent;
+ $self->pidl("}");
+ }
+}
+
+sub ParserStruct($$$$$)
+{
+ my ($self, $e,$t,$p) = @_;
+
+ $self->fn_declare($p,"NTSTATUS tdr_$t\_$e->{NAME} (struct tdr_$t *tdr".typearg($t).", struct $e->{NAME} *v)");
+ $self->pidl("{"); $self->indent;
+ $self->pidl("int i;") if (ContainsArray($e));
+
+ if ($t eq "print") {
+ $self->pidl("tdr->print(tdr, \"\%-25s: struct $e->{NAME}\", name);");
+ $self->pidl("tdr->level++;");
+ }
+
+ my %env = map { $_->{NAME} => "v->$_->{NAME}" } @{$e->{ELEMENTS}};
+ $env{"this"} = "v";
+ $self->ParserElement($_, $t, \%env) foreach (@{$e->{ELEMENTS}});
+
+ if ($t eq "print") {
+ $self->pidl("tdr->level--;");
+ }
+
+ $self->pidl("return NT_STATUS_OK;");
+
+ $self->deindent; $self->pidl("}");
+}
+
+sub ParserUnion($$$$)
+{
+ my ($self, $e,$t,$p) = @_;
+
+ $self->fn_declare($p,"NTSTATUS tdr_$t\_$e->{NAME}(struct tdr_$t *tdr".typearg($t).", int level, union $e->{NAME} *v)");
+ $self->pidl("{"); $self->indent;
+ $self->pidl("int i;") if (ContainsArray($e));
+
+ if ($t eq "print") {
+ $self->pidl("tdr->print(tdr, \"\%-25s: union $e->{NAME}\", name);");
+ $self->pidl("tdr->level++;");
+ }
+
+ $self->pidl("switch (level) {"); $self->indent;
+ foreach (@{$e->{ELEMENTS}}) {
+ if (has_property($_, "case")) {
+ $self->pidl("case " . $_->{PROPERTIES}->{case} . ":");
+ } elsif (has_property($_, "default")) {
+ $self->pidl("default:");
+ }
+ $self->indent; $self->ParserElement($_, $t, {}); $self->deindent;
+ $self->pidl("break;");
+ }
+ $self->deindent; $self->pidl("}");
+
+ if ($t eq "print") {
+ $self->pidl("tdr->level--;");
+ }
+
+ $self->pidl("return NT_STATUS_OK;\n");
+ $self->deindent; $self->pidl("}");
+}
+
+sub ParserBitmap($$$$)
+{
+ my ($self,$e,$t,$p) = @_;
+ return if ($p);
+ $self->pidl("#define tdr_$t\_$e->{NAME} tdr_$t\_" . Parse::Pidl::Typelist::bitmap_type_fn($e));
+}
+
+sub ParserEnum($$$$)
+{
+ my ($self,$e,$t,$p) = @_;
+ my $bt = Parse::Pidl::Typelist::enum_type_fn($e);
+
+ $self->fn_declare($p, "NTSTATUS tdr_$t\_$e->{NAME} (struct tdr_$t *tdr".typearg($t).", enum $e->{NAME} *v)");
+ $self->pidl("{");
+ if ($t eq "pull") {
+ $self->pidl("\t$bt\_t r;");
+ $self->pidl("\tTDR_CHECK(tdr_$t\_$bt(tdr, mem_ctx, \&r));");
+ $self->pidl("\t*v = r;");
+ } elsif ($t eq "push") {
+ $self->pidl("\tTDR_CHECK(tdr_$t\_$bt(tdr, ($bt\_t *)v));");
+ } elsif ($t eq "print") {
+ $self->pidl("\t/* FIXME */");
+ }
+ $self->pidl("\treturn NT_STATUS_OK;");
+ $self->pidl("}");
+}
+
+sub ParserTypedef($$$$)
+{
+ my ($self, $e,$t,$p) = @_;
+
+ $self->ParserType($e->{DATA},$t);
+}
+
+sub ParserType($$$)
+{
+ my ($self, $e,$t) = @_;
+
+ return if (has_property($e, "no$t"));
+
+ my $handlers = {
+ STRUCT => \&ParserStruct, UNION => \&ParserUnion,
+ ENUM => \&ParserEnum, BITMAP => \&ParserBitmap,
+ TYPEDEF => \&ParserTypedef
+ };
+
+ $handlers->{$e->{TYPE}}->($self, $e, $t, has_property($e, "public"))
+ if (defined($handlers->{$e->{TYPE}}));
+
+ $self->pidl("");
+}
+
+sub ParserInterface($$)
+{
+ my ($self,$x) = @_;
+
+ $self->pidl_hdr("#ifndef __TDR_$x->{NAME}_HEADER__");
+ $self->pidl_hdr("#define __TDR_$x->{NAME}_HEADER__");
+
+ foreach (@{$x->{DATA}}) {
+ $self->ParserType($_, "pull");
+ $self->ParserType($_, "push");
+ $self->ParserType($_, "print");
+ }
+
+ $self->pidl_hdr("#endif /* __TDR_$x->{NAME}_HEADER__ */");
+}
+
+sub Parser($$$$)
+{
+ my ($self,$idl,$hdrname,$baseheader) = @_;
+ $self->pidl("/* autogenerated by pidl */");
+ if (is_intree()) {
+ $self->pidl("#include \"includes.h\"");
+ } else {
+ $self->pidl("#include <stdio.h>");
+ $self->pidl("#include <stdbool.h>");
+ $self->pidl("#include <stdlib.h>");
+ $self->pidl("#include <stdint.h>");
+ $self->pidl("#include <stdarg.h>");
+ $self->pidl("#include <string.h>");
+ $self->pidl("#include <core/ntstatus.h>");
+ }
+ $self->pidl("#include \"$hdrname\"");
+ $self->pidl("");
+ $self->pidl_hdr("/* autogenerated by pidl */");
+ $self->pidl_hdr("#include \"$baseheader\"");
+ $self->pidl_hdr(choose_header("tdr/tdr.h", "tdr.h"));
+ $self->pidl_hdr("");
+
+ foreach (@$idl) { $self->ParserInterface($_) if ($_->{TYPE} eq "INTERFACE"); }
+ return ($self->{ret_hdr}, $self->{ret});
+}
+
+1;