From 79190992b3820cd028c961c48bdea9b35baf13c9 Mon Sep 17 00:00:00 2001 From: Jelmer Vernooij Date: Wed, 17 Sep 2008 17:12:27 +0200 Subject: Move pidl to top-level directory. --- pidl/lib/Parse/Pidl/Samba4/Header.pm | 475 +++++++++++++++++++++++++++++++++++ 1 file changed, 475 insertions(+) create mode 100644 pidl/lib/Parse/Pidl/Samba4/Header.pm (limited to 'pidl/lib/Parse/Pidl/Samba4/Header.pm') diff --git a/pidl/lib/Parse/Pidl/Samba4/Header.pm b/pidl/lib/Parse/Pidl/Samba4/Header.pm new file mode 100644 index 0000000000..611f0adb92 --- /dev/null +++ b/pidl/lib/Parse/Pidl/Samba4/Header.pm @@ -0,0 +1,475 @@ +################################################### +# create C header files for an IDL structure +# Copyright tridge@samba.org 2000 +# Copyright jelmer@samba.org 2005 +# released under the GNU GPL + +package Parse::Pidl::Samba4::Header; + +require Exporter; + +@ISA = qw(Exporter); +@EXPORT_OK = qw(GenerateFunctionInEnv GenerateFunctionOutEnv EnvSubstituteValue GenerateStructEnv); + +use strict; +use Parse::Pidl qw(fatal); +use Parse::Pidl::Typelist qw(mapTypeName scalar_is_reference); +use Parse::Pidl::Util qw(has_property is_constant unmake_str ParseExpr); +use Parse::Pidl::Samba4 qw(is_intree ElementStars ArrayBrackets choose_header); + +use vars qw($VERSION); +$VERSION = '0.01'; + +my($res); +my($tab_depth); + +sub pidl($) { $res .= shift; } + +sub tabs() +{ + my $res = ""; + $res .="\t" foreach (1..$tab_depth); + return $res; +} + +##################################################################### +# parse a properties list +sub HeaderProperties($$) +{ + my($props,$ignores) = @_; + my $ret = ""; + + foreach my $d (keys %{$props}) { + next if (grep(/^$d$/, @$ignores)); + if($props->{$d} ne "1") { + $ret.= "$d($props->{$d}),"; + } else { + $ret.="$d,"; + } + } + + if ($ret) { + pidl "/* [" . substr($ret, 0, -1) . "] */"; + } +} + +##################################################################### +# parse a structure element +sub HeaderElement($) +{ + my($element) = shift; + + pidl tabs(); + if (has_property($element, "represent_as")) { + pidl mapTypeName($element->{PROPERTIES}->{represent_as})." "; + } else { + if (ref($element->{TYPE}) eq "HASH") { + HeaderType($element, $element->{TYPE}, $element->{TYPE}->{NAME}); + } else { + HeaderType($element, $element->{TYPE}, ""); + } + pidl " ".ElementStars($element); + } + pidl $element->{NAME}; + pidl ArrayBrackets($element); + + pidl ";"; + if (defined $element->{PROPERTIES}) { + HeaderProperties($element->{PROPERTIES}, ["in", "out"]); + } + pidl "\n"; +} + +##################################################################### +# parse a struct +sub HeaderStruct($$;$) +{ + my($struct,$name,$tail) = @_; + pidl "struct $name"; + pidl $tail if defined($tail) and not defined($struct->{ELEMENTS}); + return if (not defined($struct->{ELEMENTS})); + pidl " {\n"; + $tab_depth++; + my $el_count=0; + foreach (@{$struct->{ELEMENTS}}) { + HeaderElement($_); + $el_count++; + } + if ($el_count == 0) { + # some compilers can't handle empty structures + pidl tabs()."char _empty_;\n"; + } + $tab_depth--; + pidl tabs()."}"; + if (defined $struct->{PROPERTIES}) { + HeaderProperties($struct->{PROPERTIES}, []); + } + pidl $tail if defined($tail); +} + +##################################################################### +# parse a enum +sub HeaderEnum($$;$) +{ + my($enum,$name,$tail) = @_; + my $first = 1; + + pidl "enum $name"; + if (defined($enum->{ELEMENTS})) { + pidl "\n#ifndef USE_UINT_ENUMS\n"; + pidl " {\n"; + $tab_depth++; + foreach my $e (@{$enum->{ELEMENTS}}) { + unless ($first) { pidl ",\n"; } + $first = 0; + pidl tabs(); + pidl $e; + } + pidl "\n"; + $tab_depth--; + pidl "}"; + pidl "\n"; + pidl "#else\n"; + my $count = 0; + my $with_val = 0; + my $without_val = 0; + pidl " { __donnot_use_enum_$name=0x7FFFFFFF}\n"; + foreach my $e (@{$enum->{ELEMENTS}}) { + my $t = "$e"; + my $name; + my $value; + if ($t =~ /(.*)=(.*)/) { + $name = $1; + $value = $2; + $with_val = 1; + fatal($e->{ORIGINAL}, "you can't mix enum member with values and without values!") + unless ($without_val == 0); + } else { + $name = $t; + $value = $count++; + $without_val = 1; + fatal($e->{ORIGINAL}, "you can't mix enum member with values and without values!") + unless ($with_val == 0); + } + pidl "#define $name ( $value )\n"; + } + pidl "#endif\n"; + } + pidl $tail if defined($tail); +} + +##################################################################### +# parse a bitmap +sub HeaderBitmap($$) +{ + my($bitmap,$name) = @_; + + return unless defined($bitmap->{ELEMENTS}); + + pidl "/* bitmap $name */\n"; + pidl "#define $_\n" foreach (@{$bitmap->{ELEMENTS}}); + pidl "\n"; +} + +##################################################################### +# parse a union +sub HeaderUnion($$;$) +{ + my($union,$name,$tail) = @_; + my %done = (); + + pidl "union $name"; + pidl $tail if defined($tail) and not defined($union->{ELEMENTS}); + return if (not defined($union->{ELEMENTS})); + pidl " {\n"; + $tab_depth++; + foreach my $e (@{$union->{ELEMENTS}}) { + if ($e->{TYPE} ne "EMPTY") { + if (! defined $done{$e->{NAME}}) { + HeaderElement($e); + } + $done{$e->{NAME}} = 1; + } + } + $tab_depth--; + pidl "}"; + + if (defined $union->{PROPERTIES}) { + HeaderProperties($union->{PROPERTIES}, []); + } + pidl $tail if defined($tail); +} + +##################################################################### +# parse a type +sub HeaderType($$$;$) +{ + my($e,$data,$name,$tail) = @_; + if (ref($data) eq "HASH") { + ($data->{TYPE} eq "ENUM") && HeaderEnum($data, $name, $tail); + ($data->{TYPE} eq "BITMAP") && HeaderBitmap($data, $name); + ($data->{TYPE} eq "STRUCT") && HeaderStruct($data, $name, $tail); + ($data->{TYPE} eq "UNION") && HeaderUnion($data, $name, $tail); + return; + } + + if (has_property($e, "charset")) { + pidl "const char"; + } else { + pidl mapTypeName($e->{TYPE}); + } + pidl $tail if defined($tail); +} + +##################################################################### +# parse a typedef +sub HeaderTypedef($;$) +{ + my($typedef,$tail) = @_; + HeaderType($typedef, $typedef->{DATA}, $typedef->{NAME}, $tail) if defined ($typedef->{DATA}); +} + +##################################################################### +# parse a const +sub HeaderConst($) +{ + my($const) = shift; + if (!defined($const->{ARRAY_LEN}[0])) { + pidl "#define $const->{NAME}\t( $const->{VALUE} )\n"; + } else { + pidl "#define $const->{NAME}\t $const->{VALUE}\n"; + } +} + +sub ElementDirection($) +{ + my ($e) = @_; + + return "inout" if (has_property($e, "in") and has_property($e, "out")); + return "in" if (has_property($e, "in")); + return "out" if (has_property($e, "out")); + return "inout"; +} + +##################################################################### +# parse a function +sub HeaderFunctionInOut($$) +{ + my($fn,$prop) = @_; + + return unless defined($fn->{ELEMENTS}); + + foreach my $e (@{$fn->{ELEMENTS}}) { + HeaderElement($e) if (ElementDirection($e) eq $prop); + } +} + +##################################################################### +# determine if we need an "in" or "out" section +sub HeaderFunctionInOut_needed($$) +{ + my($fn,$prop) = @_; + + return 1 if ($prop eq "out" && defined($fn->{RETURN_TYPE})); + + return undef unless defined($fn->{ELEMENTS}); + + foreach my $e (@{$fn->{ELEMENTS}}) { + return 1 if (ElementDirection($e) eq $prop); + } + + return undef; +} + +my %headerstructs; + +##################################################################### +# parse a function +sub HeaderFunction($) +{ + my($fn) = shift; + + return if ($headerstructs{$fn->{NAME}}); + + $headerstructs{$fn->{NAME}} = 1; + + pidl "\nstruct $fn->{NAME} {\n"; + $tab_depth++; + my $needed = 0; + + if (HeaderFunctionInOut_needed($fn, "in") or + HeaderFunctionInOut_needed($fn, "inout")) { + pidl tabs()."struct {\n"; + $tab_depth++; + HeaderFunctionInOut($fn, "in"); + HeaderFunctionInOut($fn, "inout"); + $tab_depth--; + pidl tabs()."} in;\n\n"; + $needed++; + } + + if (HeaderFunctionInOut_needed($fn, "out") or + HeaderFunctionInOut_needed($fn, "inout")) { + pidl tabs()."struct {\n"; + $tab_depth++; + HeaderFunctionInOut($fn, "out"); + HeaderFunctionInOut($fn, "inout"); + if (defined($fn->{RETURN_TYPE})) { + pidl tabs().mapTypeName($fn->{RETURN_TYPE}) . " result;\n"; + } + $tab_depth--; + pidl tabs()."} out;\n\n"; + $needed++; + } + + if (!$needed) { + # sigh - some compilers don't like empty structures + pidl tabs()."int _dummy_element;\n"; + } + + $tab_depth--; + pidl "};\n\n"; +} + +sub HeaderImport +{ + my @imports = @_; + foreach my $import (@imports) { + $import = unmake_str($import); + $import =~ s/\.idl$//; + pidl choose_header("librpc/gen_ndr/$import\.h", "gen_ndr/$import.h") . "\n"; + } +} + +sub HeaderInclude +{ + my @includes = @_; + foreach (@includes) { + pidl "#include $_\n"; + } +} + +##################################################################### +# parse the interface definitions +sub HeaderInterface($) +{ + my($interface) = shift; + + pidl "#ifndef _HEADER_$interface->{NAME}\n"; + pidl "#define _HEADER_$interface->{NAME}\n\n"; + + foreach my $c (@{$interface->{CONSTS}}) { + HeaderConst($c); + } + + foreach my $t (@{$interface->{TYPES}}) { + HeaderTypedef($t, ";\n\n") if ($t->{TYPE} eq "TYPEDEF"); + HeaderStruct($t, $t->{NAME}, ";\n\n") if ($t->{TYPE} eq "STRUCT"); + HeaderUnion($t, $t->{NAME}, ";\n\n") if ($t->{TYPE} eq "UNION"); + HeaderEnum($t, $t->{NAME}, ";\n\n") if ($t->{TYPE} eq "ENUM"); + HeaderBitmap($t, $t->{NAME}) if ($t->{TYPE} eq "BITMAP"); + } + + foreach my $fn (@{$interface->{FUNCTIONS}}) { + HeaderFunction($fn); + } + + pidl "#endif /* _HEADER_$interface->{NAME} */\n"; +} + +sub HeaderQuote($) +{ + my($quote) = shift; + + pidl unmake_str($quote->{DATA}) . "\n"; +} + +##################################################################### +# parse a parsed IDL into a C header +sub Parse($) +{ + my($ndr) = shift; + $tab_depth = 0; + + $res = ""; + %headerstructs = (); + pidl "/* header auto-generated by pidl */\n\n"; + if (!is_intree()) { + pidl "#include \n"; + } + pidl "#include \n"; + pidl "\n"; + + foreach (@{$ndr}) { + ($_->{TYPE} eq "CPP_QUOTE") && HeaderQuote($_); + ($_->{TYPE} eq "INTERFACE") && HeaderInterface($_); + ($_->{TYPE} eq "IMPORT") && HeaderImport(@{$_->{PATHS}}); + ($_->{TYPE} eq "INCLUDE") && HeaderInclude(@{$_->{PATHS}}); + } + + return $res; +} + +sub GenerateStructEnv($$) +{ + my ($x, $v) = @_; + my %env; + + foreach my $e (@{$x->{ELEMENTS}}) { + $env{$e->{NAME}} = "$v->$e->{NAME}"; + } + + $env{"this"} = $v; + + return \%env; +} + +sub EnvSubstituteValue($$) +{ + my ($env,$s) = @_; + + # Substitute the value() values in the env + foreach my $e (@{$s->{ELEMENTS}}) { + next unless (defined(my $v = has_property($e, "value"))); + + $env->{$e->{NAME}} = ParseExpr($v, $env, $e); + } + + return $env; +} + +sub GenerateFunctionInEnv($;$) +{ + my ($fn, $base) = @_; + my %env; + + $base = "r->" unless defined($base); + + foreach my $e (@{$fn->{ELEMENTS}}) { + if (grep (/in/, @{$e->{DIRECTION}})) { + $env{$e->{NAME}} = $base."in.$e->{NAME}"; + } + } + + return \%env; +} + +sub GenerateFunctionOutEnv($;$) +{ + my ($fn, $base) = @_; + my %env; + + $base = "r->" unless defined($base); + + foreach my $e (@{$fn->{ELEMENTS}}) { + if (grep (/out/, @{$e->{DIRECTION}})) { + $env{$e->{NAME}} = $base."out.$e->{NAME}"; + } elsif (grep (/in/, @{$e->{DIRECTION}})) { + $env{$e->{NAME}} = $base."in.$e->{NAME}"; + } + } + + return \%env; +} + +1; -- cgit