+++ /dev/null
-###################################################
-# 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;
git.samba.org / samba.git / blobdiff