#!/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().
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 %nodes;
+our $new_emit_syntax = 0;
# include spec file
no strict "subs";
unless ($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";
my $target_h = $target_dir."/gen_".$arch."_emitter.h";
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;
+ }
- $line = "static void emit_".$arch."_".$op."(const ir_node *n, emit_env_t *env)";
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) {
my $cnt = 0;
my $buf = 'cmd_buf';
- foreach $template (split(/\/\*/, $fmt, 2)) {
+ push(@obst_func, $indent."cmnt_buf[0] = '\\0';\n");
+ foreach $template (split(/$comment_string_quoted/, $fmt, 2)) {
my @params;
my $res = "";
$cnt++;
if ($cnt == 2) {
# add the comment begin string
- $res .= "/*";
- $buf = "cmnt_buf";
+ $res .= $comment_string;
+ $buf = "cmnt_buf";
}
# substitute all format parameter
- while ($template =~ /\%([ASD])(\d)|\%([COM])|\%(\w+)/) {
+ while ($template =~ /(\%\%)|\%([ASDX])(\d)|\%([COM])|\%(\w+)/) {
$res .= $`; # get everything before the match
- if ($1 && $1 eq "S") {
+ if ($1) {
+ $res .= "%%";
+ }
+ elsif ($2 && $2 eq "S") {
+ push(@params, "n");
+ $res .= "%".$3."S"; # substitute %Sx with %xS
+ }
+ elsif ($2 && $2 eq "D") {
push(@params, "n");
- $res .= "%".$2."S"; # substitute %Sx with %xS
+ $res .= "%".$3."D"; # substitute %Dx with %xD
}
- elsif ($1 && $1 eq "D") {
+ elsif ($2 && $2 eq "X") {
push(@params, "n");
- $res .= "%".$2."D"; # substitute %Dx with %xD
+ $res .= "%".$3."X"; # substitute %Xx with %xX
}
- elsif ($1 && $1 eq "A") {
- push(@params, "get_irn_n(n, ".($2 - 1).")");
+ elsif ($2 && $2 eq "A") {
+ push(@params, "get_irn_n(n, ".($3 - 1).")");
$res .= "%+F";
}
- elsif ($3) {
+ elsif ($4) {
push(@params, "n");
- $res .= "%".$3;
+ $res .= "%".$4;
}
- elsif ($4) { # backend provided function to call, has to return a string
- push(@params, $4."(n)");
+ elsif ($5) { # backend provided function to call, has to return a string
+ push(@params, $5."(n, env)");
$res .= "\%s";
}
push(@obst_func, $indent.'lc_esnprintf(arg_env, '.$buf.', 256, "'.$res.'"'.$parm.');'."\n");
}
+ push(@obst_func, $indent.'lc_efprintf(arg_env, F, "\t%-35s %-60s '.$comment_string.' %+F (%+G) '.$comment_string_end.'\n", cmd_buf, cmnt_buf, n, n);'."\n");
}
else {
push(@obst_func, $template,"\n");
}
}
- push(@obst_func, ' lc_efprintf(arg_env, F, "\t%-35s %-60s /* %+F */\n", cmd_buf, cmnt_buf, n);'."\n");
push(@obst_func, "}\n\n");
}
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