1 ###################################################
2 # Trivial Parser Generator
3 # Copyright jelmer@samba.org 2005
4 # released under the GNU GPL
6 package Parse::Pidl::Samba::TDR;
7 use Parse::Pidl::Util qw(has_property ParseExpr is_constant);
15 sub indent() { $tabs.="\t"; }
16 sub deindent() { $tabs = substr($tabs, 1); }
17 sub pidl($) { $ret .= $tabs.(shift)."\n"; }
18 sub fatal($$) { my ($e,$s) = @_; die("$e->{FILE}:$e->{LINE}: $s\n"); }
19 sub static($) { my $p = shift; return("static ") unless ($p); return ""; }
22 return(", const char *name") if ($t eq "print");
29 foreach (@{$e->{ELEMENTS}}) {
30 next if (has_property($_, "charset") and
31 scalar(@{$_->{ARRAY_LEN}}) == 1);
32 return 1 if (defined($_->{ARRAY_LEN}) and
33 scalar(@{$_->{ARRAY_LEN}}) > 0);
38 sub ParserElement($$$)
45 fatal($e,"Pointers not supported in TDR") if ($e->{POINTERS} > 0);
46 fatal($e,"size_is() not supported in TDR") if (has_property($e, "size_is"));
47 fatal($e,"length_is() not supported in TDR") if (has_property($e, "length_is"));
50 $name = ", \"$e->{NAME}\"$array";
53 if (has_property($e, "flag")) {
56 pidl "uint32_t saved_flags = tdr->flags;";
57 pidl "tdr->flags |= $e->{PROPERTIES}->{flag};";
60 if (has_property($e, "charset")) {
61 fatal($e,"charset() on non-array element") unless (defined($e->{ARRAY_LEN}) and scalar(@{$e->{ARRAY_LEN}}) > 0);
63 my $len = ParseExpr(@{$e->{ARRAY_LEN}}[0], $env);
64 if ($len eq "*") { $len = "-1"; }
65 pidl "TDR_CHECK(tdr_$t\_charset(tdr$name, &v->$e->{NAME}, $len, sizeof($e->{TYPE}_t), CH_$e->{PROPERTIES}->{charset}));";
70 if (has_property($e, "switch_is")) {
71 $switch = ", " . ParseExpr($e->{PROPERTIES}->{switch_is}, $env);
74 if (defined($e->{ARRAY_LEN}) and scalar(@{$e->{ARRAY_LEN}}) > 0) {
75 my $len = ParseExpr($e->{ARRAY_LEN}[0], $env);
77 if ($t eq "pull" and not is_constant($len)) {
78 pidl "TDR_ALLOC(tdr, v->$e->{NAME}, $len);"
81 pidl "for (i = 0; i < $len; i++) {";
86 if (has_property($e, "value") && $t eq "push") {
87 pidl "v->$e->{NAME} = ".ParseExpr($e->{PROPERTIES}->{value}, $env).";";
90 pidl "TDR_CHECK(tdr_$t\_$e->{TYPE}(tdr$name$switch, &v->$e->{NAME}$array));";
92 if ($array) { deindent; pidl "}"; }
94 if (has_property($e, "flag")) {
95 pidl "tdr->flags = saved_flags;";
101 sub ParserStruct($$$$)
103 my ($e,$n,$t,$p) = @_;
105 pidl static($p)."NTSTATUS tdr_$t\_$n (struct tdr_$t *tdr".printarg($t).", struct $n *v)";
107 pidl "int i;" if (ContainsArray($e));
110 pidl "tdr->print(tdr, \"\%-25s: struct $n\", name);";
111 pidl "tdr->level++;";
114 my %env = map { $_->{NAME} => "v->$_->{NAME}" } @{$e->{ELEMENTS}};
116 ParserElement($_, $t, \%env) foreach (@{$e->{ELEMENTS}});
119 pidl "tdr->level--;";
122 pidl "return NT_STATUS_OK;";
127 sub ParserUnion($$$$)
129 my ($e,$n,$t,$p) = @_;
131 pidl static($p)."NTSTATUS tdr_$t\_$n(struct tdr_$t *tdr".printarg($t).", int level, union $n *v)";
133 pidl "int i;" if (ContainsArray($e));
136 pidl "tdr->print(tdr, \"\%-25s: union $n\", name);";
137 pidl "tdr->level++;";
140 pidl "switch (level) {"; indent;
141 foreach (@{$e->{ELEMENTS}}) {
142 if (has_property($_, "case")) {
143 pidl "case " . $_->{PROPERTIES}->{case} . ":";
144 } elsif (has_property($_, "default")) {
147 indent; ParserElement($_, $t, {}); deindent;
153 pidl "tdr->level--;";
156 pidl "return NT_STATUS_OK;\n";
160 sub ParserBitmap($$$$)
162 my ($e,$n,$t,$p) = @_;
164 pidl "#define tdr_$t\_$n tdr_$t\_" . Parse::Pidl::Typelist::bitmap_type_fn($e);
169 my ($e,$n,$t,$p) = @_;
170 my $bt = ($e->{PROPERTIES}->{base_type} or "uint8");
172 pidl static($p)."NTSTATUS tdr_$t\_$n (struct tdr_$t *tdr".printarg($t).", enum $n *v)";
176 pidl "\tTDR_CHECK(tdr_$t\_$bt(tdr, \&r));";
178 } elsif ($t eq "push") {
179 pidl "\tTDR_CHECK(tdr_$t\_$bt(tdr, ($bt\_t *)v));";
180 } elsif ($t eq "print") {
181 pidl "\t/* FIXME */";
183 pidl "\treturn NT_STATUS_OK;";
187 sub ParserTypedef($$)
191 return if (has_property($e, "no$t"));
193 $e->{DATA}->{PROPERTIES} = $e->{PROPERTIES};
195 { STRUCT => \&ParserStruct, UNION => \&ParserUnion,
196 ENUM => \&ParserEnum, BITMAP => \&ParserBitmap
197 }->{$e->{DATA}->{TYPE}}($e->{DATA}, $e->{NAME}, $t, has_property($e, "public"));
202 sub ParserInterface($)
206 foreach (@{$x->{DATA}}) {
207 next if ($_->{TYPE} ne "TYPEDEF");
208 ParserTypedef($_, "pull");
209 ParserTypedef($_, "push");
210 ParserTypedef($_, "print");
216 my ($idl,$hdrname) = @_;
218 pidl "/* autogenerated by pidl */";
219 pidl "#include \"includes.h\"";
220 pidl "#include \"$hdrname\"";
222 foreach (@$idl) { ParserInterface($_) if ($_->{TYPE} eq "INTERFACE"); }
226 sub HeaderInterface($$)
228 my ($x,$outputdir) = @_;
230 pidl "#ifndef __TDR_$x->{NAME}_HEADER__";
231 pidl "#define __TDR_$x->{NAME}_HEADER__";
233 foreach my $e (@{$x->{DATA}}) {
234 next unless ($e->{TYPE} eq "TYPEDEF");
235 next unless has_property($e, "public");
239 $switch = ", int level" if ($e->{DATA}->{TYPE} eq "UNION");
241 if ($e->{DATA}->{TYPE} eq "BITMAP") {
244 my ($n, $d) = ($e->{NAME}, lc($e->{DATA}->{TYPE}));
245 pidl "NTSTATUS tdr_pull\_$n(struct tdr_pull *tdr$switch, $d $n *v);";
246 pidl "NTSTATUS tdr_print\_$n(struct tdr_print *tdr, const char *name$switch, $d $n *v);";
247 pidl "NTSTATUS tdr_push\_$n(struct tdr_push *tdr$switch, $d $n *v);";
253 pidl "#endif /* __TDR_$x->{NAME}_HEADER__ */";
258 my ($idl,$outputdir,$basename) = @_;
260 pidl "/* Generated by pidl */";
262 pidl "#include \"$outputdir/$basename.h\"";
266 HeaderInterface($_, $outputdir) if ($_->{TYPE} eq "INTERFACE");