my $target_dir = $ARGV[1];
our $arch;
+our $comment_string;
our %nodes;
# include spec file
}
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";
# skip this node description if no emit information is available
next if (!$n{"emit"} || length($n{"emit"}) < 1);
- $line = "static void emit_".$arch."_".$op."(const ir_node *n, emit_env_t *env)";
+ $line = "static void emit_".$arch."_".$op."(const ir_node *n, $arch\_emit_env_t *env)";
push(@obst_func, $line." {\n FILE *F = env->out;\n");
- $line = " BE_EMIT($op);\n";
- push(@obst_register, $line);
+ 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");
}
* pointer of an opcode.
*/
void $arch\_register_spec_emitters(void) {
- int i;
#define BE_EMIT(a) op_$arch\_##a->ops.generic = (op_func)emit_$arch\_##a
- /* first clear all generic operations */
- for (i = get_irp_n_opcodes() - 1; i >= 0; --i) {
- ir_op *op = get_irp_opcode(i);
- op->ops.generic = (op_func)NULL;
- }
-
/* generated emitter functions */
EOF