X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fscripts%2Fgenerate_emitter.pl;h=6fe175fc08cd2b60271f42270f77a77f00ab8836;hb=4110651fb0c44f71c896a736d7a0479709a21d21;hp=614e64db4135d8c322a99c2e33f1572d9dec4637;hpb=4bd60842d97319d8f0a3f1c2d6ac80d71e6b1b52;p=libfirm

diff --git a/ir/be/scripts/generate_emitter.pl b/ir/be/scripts/generate_emitter.pl
index 614e64db4..6fe175fc0 100755
--- a/ir/be/scripts/generate_emitter.pl
+++ b/ir/be/scripts/generate_emitter.pl
@@ -13,6 +13,8 @@ my $specfile   = $ARGV[0];
 my $target_dir = $ARGV[1];
 
 our $arch;
+our $comment_string;
+our $comment_string_end;
 our %nodes;
 
 # include spec file
@@ -27,6 +29,8 @@ unless ($return = do $specfile) {
 }
 use strict "subs";
 
+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";
 
@@ -39,63 +43,97 @@ 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, emit_env_t *env)";
-	push(@obst_func, $line." {\n  FILE *F = env->out;\n");
- 	$line = "  BE_EMIT($op);\n";
-	push(@obst_register, $line);
+	$line = "static void emit_".$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");
 	my @emit = split(/\n/, $n{"emit"});
 
 	foreach my $template (@emit) {
 		# substitute only lines, starting with a '.'
 		if ($template =~ /^(\d*)\.\s*/) {
-			my @params;
-			my $res    = "";
 			my $indent = "  "; # default indent is 2 spaces
 
 			$indent = " " x $1 if ($1 && $1 > 0);
 			# remove indent, dot and trailing spaces
 			$template =~ s/^\d*\.\s*//;
-			# substitute all format parameter
-			while ($template =~ /\%([ASD])(\d)|\%([COM])|\%(\w+)/) {
-				$res  .= $`;      # get everything before the match
-
-				if ($1 && $1 eq "S") {
-					push(@params, "n");
-					$res .= "%".$2."S"; # substitute %Sx with %xS
-				}
-				elsif ($1 && $1 eq "D") {
-					push(@params, "n");
-					$res .= "%".$2."D"; # substitute %Dx with %xD
-				}
-				elsif ($1 && $1 eq "A") {
-					push(@params, "get_irn_n(n, ".($2 - 1).")");
-					$res .= "%+F";
-				}
-				elsif ($3) {
-					push(@params, "n");
-					$res .= "%".$3;
-				}
-				elsif ($4) {  # backend provided function to call, has to return a string
-					push(@params, $4."(n)");
-					$res .= "\%s";
+			my $fmt = $template;
+			my $cnt = 0;
+			my $buf = 'cmd_buf';
+
+			push(@obst_func, $indent."cmnt_buf[0] = '\\0';\n");
+			foreach $template (split(/$comment_string_quoted/, $fmt, 2)) {
+				my @params;
+				my $res = "";
+				$cnt++;
+
+				$template =~ s/(\\t)*$//;
+
+				if ($cnt == 2) {
+					# add the comment begin string
+					$res .= $comment_string;
+					$buf  = "cmnt_buf";
 				}
 
-				$template = $'; # scan everything after the match
-			}
-			$res  .= $template; # get the remaining string
+				# substitute all format parameter
+				while ($template =~ /(\%\%)|\%([ASDX])(\d)|\%([COM])|\%(\w+)/) {
+					$res  .= $`;      # get everything before the match
+
+					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 .= "%".$3."D"; # substitute %Dx with %xD
+					}
+					elsif ($2 && $2 eq "X") {
+						push(@params, "n");
+						$res .= "%".$3."X"; # substitute %Xx with %xX
+					}
+					elsif ($2 && $2 eq "A") {
+						push(@params, "get_irn_n(n, ".($3 - 1).")");
+						$res .= "%+F";
+					}
+					elsif ($4) {
+						push(@params, "n");
+						$res .= "%".$4;
+					}
+					elsif ($5) {  # backend provided function to call, has to return a string
+						push(@params, $5."(n, env)");
+						$res .= "\%s";
+					}
+
+					$template = $'; # scan everything after the match
+				}
+				$res .= $template; # get the remaining string
 
-			my $parm = "";
-			$parm = ", ".join(", ", @params) if (@params);
+				my $parm = "";
+				$parm = ", ".join(", ", @params) if (@params);
 
-			push(@obst_func, $indent.'lc_efprintf('.$arch.'_get_arg_env(), F, "\t'.$res.'\n"'.$parm.');'."\n");
+				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, "}\n\n");
 }