X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fscripts%2Fgenerate_emitter.pl;h=a927edbf052274d04e404dcbe85cfcaf9fa959fc;hb=516482fa4892951b0f20a507f10cc7488ac6b250;hp=eb883de0810e25b642ceb07fa75048f3e84dd842;hpb=3c93cdbd6de4a9d4dfeafa5d26dfe69a071cb593;p=libfirm

diff --git a/ir/be/scripts/generate_emitter.pl b/ir/be/scripts/generate_emitter.pl
index eb883de08..a927edbf0 100755
--- a/ir/be/scripts/generate_emitter.pl
+++ b/ir/be/scripts/generate_emitter.pl
@@ -13,6 +13,7 @@ my $specfile   = $ARGV[0];
 my $target_dir = $ARGV[1];
 
 our $arch;
+our $comment_string;
 our %nodes;
 
 # include spec file
@@ -27,12 +28,14 @@ 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";
 
 # stacks for output
 my @obst_func;   # stack for the emit functions
-my @obst_header;  # stack for the function prototypes
+my @obst_register;  # stack for emitter register code
 my $line;
 
 foreach my $op (keys(%nodes)) {
@@ -41,60 +44,88 @@ foreach my $op (keys(%nodes)) {
 	# skip this node description if no emit information is available
 	next if (!$n{"emit"} || length($n{"emit"}) < 1);
 
-	$line = "void emit_".$arch."_".$op."(ir_node *n, emit_env_t *env)";
-	push(@obst_header, $line.";\n");
+	$line = "static void emit_".$arch."_".$op."(const ir_node *n, $arch\_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 $template (@emit) {
 		# substitute only lines, starting with a '.'
 		if ($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, "  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");
+			}
 		}
 		else {
 			push(@obst_func, $template,"\n");
 		}
 	}
+
+	push(@obst_func, '  lc_efprintf(arg_env, F, "\t%-35s %-60s /* %+F (%+G) */\n", cmd_buf, cmnt_buf, n, n);'."\n");
 	push(@obst_func, "}\n\n");
 }
 
@@ -119,11 +150,11 @@ print OUT<<EOF;
 #include "irnode.h"
 #include "$arch\_emitter.h"
 
-EOF
+void $arch\_register_spec_emitters(void);
 
-print OUT @obst_header;
+#endif /* _GEN_$tmp\_EMITTER_H_ */
 
-print OUT "#endif /* _GEN_$tmp\_EMITTER_H_ */\n";
+EOF
 
 close(OUT);
 
@@ -146,6 +177,9 @@ print OUT<<EOF;
 #include <stdio.h>
 
 #include "irnode.h"
+#include "irop_t.h"
+#include "irprog_t.h"
+
 #include "gen_$arch\_emitter.h"
 #include "$arch\_new_nodes.h"
 
@@ -153,4 +187,25 @@ EOF
 
 print OUT @obst_func;
 
+print OUT<<EOF;
+/**
+ * Enters the emitter functions for handled nodes into the generic
+ * pointer of an opcode.
+ */
+void $arch\_register_spec_emitters(void) {
+
+#define BE_EMIT(a) op_$arch\_##a->ops.generic = (op_func)emit_$arch\_##a
+
+  /* generated emitter functions */
+EOF
+
+print OUT @obst_register;
+
+print OUT<<EOF;
+
+#undef BE_EMIT
+}
+
+EOF
+
 close(OUT);