X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fscripts%2Fgenerate_emitter.pl;h=4720526f5b35aac949027d4212c39f61fc757169;hb=e15fe528133f4205663a91bd68defaf510e9bc68;hp=7edb847638116dd1b98fc44119919ed599852979;hpb=78044698cd74cc7a2e5821ec19e31cc3462613b8;p=libfirm

diff --git a/ir/be/scripts/generate_emitter.pl b/ir/be/scripts/generate_emitter.pl
index 7edb84763..4720526f5 100755
--- a/ir/be/scripts/generate_emitter.pl
+++ b/ir/be/scripts/generate_emitter.pl
@@ -1,5 +1,24 @@
 #!/usr/bin/perl -w
 
+#
+# Copyright (C) 1995-2007 University of Karlsruhe.  All right reserved.
+#
+# This file is part of libFirm.
+#
+# This file may be distributed and/or modified under the terms of the
+# GNU General Public License version 2 as published by the Free Software
+# Foundation and appearing in the file LICENSE.GPL included in the
+# packaging of this file.
+#
+# Licensees holding valid libFirm Professional Edition licenses may use
+# this file in accordance with the libFirm Commercial License.
+# Agreement provided with the Software.
+#
+# This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+# WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE.
+#
+
 # This script generates C code which emits assembler code for the
 # assembler ir nodes. It takes a "emit" key from the node specification
 # and substitutes lines starting with . with a corresponding fprintf().
@@ -8,14 +27,17 @@
 
 use strict;
 use Data::Dumper;
+use File::Basename;
 
-my $specfile   = $ARGV[0];
-my $target_dir = $ARGV[1];
+my $myname = $0;
+our $specfile   = $ARGV[0];
+our $target_dir = $ARGV[1];
 
 our $arch;
-our $comment_string;
-our $comment_string_end;
+our $comment_string = "/*";
+our $comment_string_end = "*/" ;
 our %nodes;
+our $new_emit_syntax = 0;
 
 # include spec file
 
@@ -23,12 +45,22 @@ my $return;
 
 no strict "subs";
 unless ($return = do $specfile) {
-	warn "couldn't parse $specfile: $@" if $@;
-	warn "couldn't do $specfile: $!"    unless defined $return;
-	warn "couldn't run $specfile"       unless $return;
+	die "couldn't parse $specfile: $@" if $@;
+	die "couldn't do $specfile: $!"    unless defined $return;
+	die "couldn't run $specfile"       unless $return;
 }
 use strict "subs";
 
+if ($new_emit_syntax) {
+	my $newscript = dirname($myname) . "/generate_emitter_new.pl";
+	unless ($return = do "$newscript") {
+		die "couldn't parse $newscript: $@" if $@;
+		die "couldn't do $newscript: $!"    unless defined $return;
+		die "couldn't run $newscript"       unless $return;
+	}
+	exit;
+}
+
 my $comment_string_quoted = quotemeta($comment_string);
 
 my $target_c = $target_dir."/gen_".$arch."_emitter.c";
@@ -43,14 +75,21 @@ foreach my $op (keys(%nodes)) {
 	my %n = %{ $nodes{"$op"} };
 
 	# skip this node description if no emit information is available
-	next if (!$n{"emit"} || length($n{"emit"}) < 1);
+	next if (!defined($n{"emit"}));
 
 	$line = "static void emit_".$arch."_".$op."(const ir_node *n, $arch\_emit_env_t *env)";
+
+	push(@obst_register, "  BE_EMIT($op);\n");
+
+	if($n{"emit"} eq "") {
+		push(@obst_func, $line." {\n");
+		push(@obst_func, "}\n\n");
+		next;
+	}
+
 	push(@obst_func, $line." {\n  FILE *F = env->out;\n");
 	push(@obst_func, "  char cmd_buf[256], cmnt_buf[256];\n");
 	push(@obst_func, "  const lc_arg_env_t *arg_env = $arch\_get_arg_env();\n\n");
-	push(@obst_register, "  BE_EMIT($op);\n");
-
 	my @emit = split(/\n/, $n{"emit"});
 
 	foreach my $template (@emit) {
@@ -137,23 +176,23 @@ my $creation_time = localtime(time());
 my $tmp = uc($arch);
 
 print OUT<<EOF;
-#ifndef _GEN_$tmp\_EMITTER_H_
-#define _GEN_$tmp\_EMITTER_H_
-
 /**
- * Function prototypes for the emitter functions.
- * DO NOT EDIT THIS FILE, your changes will be lost.
- * Edit $specfile instead.
- * created by: $0 $specfile $target_dir
- * date:       $creation_time
+ * \@file
+ * \@brief Function prototypes for the emitter functions.
+ * \@note  DO NOT EDIT THIS FILE, your changes will be lost.
+ *        Edit $specfile instead.
+ *        created by: $0 $specfile $target_dir
+ * \@date  $creation_time
  */
+#ifndef FIRM_BE_${tmp}_GEN_${tmp}_EMITTER_H
+#define FIRM_BE_${tmp}_GEN_${tmp}_EMITTER_H
 
 #include "irnode.h"
 #include "$arch\_emitter.h"
 
 void $arch\_register_spec_emitters(void);
 
-#endif /* _GEN_$tmp\_EMITTER_H_ */
+#endif
 
 EOF
 
@@ -165,11 +204,12 @@ $creation_time = localtime(time());
 
 print OUT<<EOF;
 /**
- * Generated functions to emit code for assembler ir nodes.
- * DO NOT EDIT THIS FILE, your changes will be lost.
- * Edit $specfile instead.
- * created by: $0 $specfile $target_dir
- * date:       $creation_time
+ * \@file
+ * \@brief  Generated functions to emit code for assembler ir nodes.
+ * \@note   DO NOT EDIT THIS FILE, your changes will be lost.
+ *         Edit $specfile instead.
+ *         created by: $0 $specfile $target_dir
+ * \@date   $creation_time
  */
 #ifdef HAVE_CONFIG_H
 #include "config.h"