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authorJelmer Vernooij <jelmer@samba.org>2005-02-09 21:53:25 +0000
committerGerald (Jerry) Carter <jerry@samba.org>2007-10-10 13:09:37 -0500
commit42ef2f8e7b114ee5620921a2f51566cdefd7afe9 (patch)
tree5d5f696c9e5905c3e2346719ed738ff1bc55c7f2
parent632acd9bc7704ac3d326354808c3d12f4f0a9f8f (diff)
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r5288: Make alignment code more generic
(This used to be commit 5c2f0df566804cf0b8879504f5e41a8100a7fd40)
-rw-r--r--source4/build/pidl/parser.pm74
1 files changed, 42 insertions, 32 deletions
diff --git a/source4/build/pidl/parser.pm b/source4/build/pidl/parser.pm
index f1942cef73..755e0a1a68 100644
--- a/source4/build/pidl/parser.pm
+++ b/source4/build/pidl/parser.pm
@@ -1,5 +1,5 @@
###################################################
-# Samba4 parser generator for IDL structures
+# Samba4 NDR parser generator for IDL structures
# Copyright tridge@samba.org 2000-2003
# Copyright tpot@samba.org 2001
# Copyright jelmer@samba.org 2004
@@ -10,8 +10,8 @@ package IdlParser;
use strict;
use needed;
-# the list of needed functions
-my %structs;
+# list of known types
+my %typedefs;
sub pidl($)
{
@@ -184,20 +184,7 @@ sub struct_alignment
for my $e (@{$s->{ELEMENTS}}) {
my $a = 1;
- if (!util::need_wire_pointer($e)
- && defined $structs{$e->{TYPE}}) {
- if ($structs{$e->{TYPE}}->{DATA}->{TYPE} eq "STRUCT") {
- $a = struct_alignment($structs{$e->{TYPE}}->{DATA});
- } elsif ($structs{$e->{TYPE}}->{DATA}->{TYPE} eq "UNION") {
- if (defined $structs{$e->{TYPE}}->{DATA}) {
- $a = union_alignment($structs{$e->{TYPE}}->{DATA});
- }
- } elsif ($structs{$e->{TYPE}}->{DATA}->{TYPE} eq "ENUM") {
- $a = util::type_align($e);
- }
- } else {
- $a = util::type_align($e);
- }
+ $a = align_type($e);
if ($align < $a) {
$align = $a;
@@ -222,17 +209,7 @@ sub union_alignment
next;
}
- if (!util::need_wire_pointer($e)
- && defined $structs{$e->{DATA}->{TYPE}}) {
- my $s = $structs{$e->{DATA}->{TYPE}};
- if ($s->{DATA}->{TYPE} eq "STRUCT") {
- $a = struct_alignment($s->{DATA});
- } elsif ($s->{DATA}->{TYPE} eq "UNION") {
- $a = union_alignment($s->{DATA});
- }
- } else {
- $a = util::type_align($e->{DATA});
- }
+ $a = align_type($e->{DATA});
if ($align < $a) {
$align = $a;
@@ -243,6 +220,28 @@ sub union_alignment
}
#####################################################################
+# align a type
+sub align_type
+{
+ my $e = shift;
+
+ if (!util::need_wire_pointer($e)
+ && defined $typedefs{$e->{TYPE}}) {
+ if ($typedefs{$e->{TYPE}}->{DATA}->{TYPE} eq "STRUCT") {
+ return struct_alignment($typedefs{$e->{TYPE}}->{DATA});
+ } elsif ($typedefs{$e->{TYPE}}->{DATA}->{TYPE} eq "UNION") {
+ if (defined $typedefs{$e->{TYPE}}->{DATA}) {
+ return union_alignment($typedefs{$e->{TYPE}}->{DATA});
+ }
+ } elsif ($typedefs{$e->{TYPE}}->{DATA}->{TYPE} eq "ENUM") {
+ return util::type_align($e);
+ }
+ } else {
+ return util::type_align($e);
+ }
+}
+
+#####################################################################
# parse an array - push side
sub ParseArrayPush($$$)
{
@@ -457,7 +456,7 @@ sub ParseElementPullSwitch($$$$)
my $cprefix = util::c_pull_prefix($e);
- my $utype = $structs{$e->{TYPE}};
+ my $utype = $typedefs{$e->{TYPE}};
check_null_pointer($switch_var);
@@ -511,7 +510,7 @@ sub ParseElementPushSwitch($$$$)
check_null_pointer($switch_var);
- my $utype = $structs{$e->{TYPE}};
+ my $utype = $typedefs{$e->{TYPE}};
if (!defined $utype ||
!util::has_property($utype, "nodiscriminant")) {
my $e2 = find_sibling($e, $switch);
@@ -1713,10 +1712,10 @@ sub ParseInterface($)
foreach my $d (@{$data}) {
if ($d->{TYPE} eq "DECLARE") {
- $structs{$d->{NAME}} = $d;
+ $typedefs{$d->{NAME}} = $d;
}
if ($d->{TYPE} eq "TYPEDEF") {
- $structs{$d->{NAME}} = $d;
+ $typedefs{$d->{NAME}} = $d;
}
}
@@ -1812,3 +1811,14 @@ sub Parse($$)
}
1;
+
+#Each type can:
+#
+#- Generate push fn
+#- Generate pull fn
+#- Generate print fn
+#- Generate push array fn
+#- Generate pull array fn
+#- Generate print fn
+#- align size
+#- "push prefix"