while (@ARGV) {
$_= shift @ARGV;
- die if m/^\-/;
- $x= new IO::File $_,'r' or die "$_: $!\n";
- parse($_,$x);
+ if (m/^\-p(\w+)/) {
+ $prefix= $1;
+ } elsif (m/^\-w(c|h)$/) {
+ $write= $1;
+ } elsif (m/^\-o(.+)$/) {
+ $output= $1;
+ } elsif (m/^\-/) {
+ die "unknown option $_\n";
+ } else {
+ if (!defined $prefix) { $prefix= $_; $prefix =~ s/\.[^.]+$//; }
+ $x= new IO::File $_,'r' or die "$_: $!\n";
+ parse($_,$x);
+ }
}
+die "must say -w<something>\n" if !defined $write;
+
sub parse ($$) {
my ($wh,$f) = @_;
while (defined($_= $f->getline)) {
if (@i==0 && m/^Table\s+(\w+)$/) {
$c_table= $1;
undef $c_entry;
+ } elsif (@i==0 && m/^(C|H)\-Include\s+(\S.*)$/) {
+ o(lc $1, 30, "#include $2\n");
} elsif (@i==1 && m/^([a-z]\w*)$/ && defined $c_table) {
$c_entry= $1;
$tables{$c_table}{$c_entry}{A} = [ ];
badsyntax($wh,$.,"bad type name/args");
}
$types{$typename}= { C => $ctype, X => $xtypeargs };
+ } elsif (@i==0 && s/^Init\s+(\w+)\s+(\S.*)//) {
+ $type_init{$1}= $2;
} else {
- printf STDERR ">%d<\n",
- scalar m/^Type\s+([^\:]+)\:\s+(\S.*)$/;
badsyntax($wh,$., sprintf
"bad directive (indent level %d)", scalar @i);
}
#print Dumper(\%tables),"\n";
#print Dumper(\%types),"\n";
+foreach $t (sort keys %types) {
+ $type= $types{$t};
+ $c= $type->{C};
+ $xta= $type->{X};
+ $decl= "int pat_$t(Tcl_Interp, Tcl_Obj*, ";
+ $decl .= subst_in('*', $c, "type $t");
+ $decl .= ", $xta", if length $xta;
+ $decl .= ")\n";
+ o('h',160, $decl);
+
+ $decl= "Tcl_Obj *ret_$t(Tcl_Interp, ".subst_in('',$c).");\n";
+ o('h',170, $decl);
+}
+
foreach $c_table (sort keys %tables) {
$r_table= $tables{$c_table};
foreach $c_entry (keys %$r_table) {
$r_entry= $r_table->{$c_entry};
- $pa_decl= "int fn_${c_table}_${c_entry}(";
- @pa_al= ();
+ $pa_decl= "int pa_${c_table}_${c_entry}(ClientData cd,".
+ " Tcl_Interp ip, int objc, Tcl_Obj *const *objv)";
+ $do_decl= "int do_${c_table}_${c_entry}(";
+ @do_al= ();
+ @do_aa= qw(cd ip);
+ $pa_init= '';
+ $pa_argc= " objc--; objv++;\n";
+ $pa_vars= " int rc;\n";
+ $pa_body= '';
+ $pa_rslt= '';
+ $pa_free= '';
+ $pa_fini= '';
+ $any_mand= 0;
+ $any_optl= 0;
+ $any_eerr= 0;
foreach $arg (@{ $r_entry->{A} }) {
- push @pa_al, make_decl($arg->{N}, $arg->{T}, $arg->{A});
+ $n= $arg->{N};
+ $t= $arg->{T};
+ $a= $arg->{A};
+ push @do_al, make_decl($n, $t, $arg->{A});
+ $pa_vars .= make_decl_init("a_$n", $t, $a, \$pa_init);
+ if ($arg->{O}) {
+ if ($any_mand) {
+ $pa_argc .= " if (objc < $any_mand) {".
+ " e=\"too few args\"; goto e_err; }\n";
+ $pa_body .= " objc -= $any_mand;\n";
+ $any_mand= 0;
+ $any_eerr= 0;
+ }
+ $pa_body .= " if (!objc--) goto end_optional;\n";
+ $any_optl= 1;
+ } else {
+ $any_mand++;
+ }
+ $pa_body .= " rc= pat_$t(ip, *objv++, &a_$n";
+ if ($t eq 'enum') {
+ $a =~ m/\,/ or die; $a = "$', sizeof($`)";
+ }
+ $pa_body .= ", ".$a if length $a;
+ $pa_body .= "); if (rc) goto rc_err;\n";
+ push @do_aa, "a_$n";
}
if (exists $r_entry->{V}) {
$va= $r_entry->{V};
- push @pa_al, make_decl_c("${va}c", 'int @');
- push @pa_al, make_decl_c("${va}v", 'Tcl_Obj *const *@');
+ push @do_al, subst_in("${va}c", 'int @');
+ push @do_al, subst_in("${va}v", 'Tcl_Obj *const *@');
+ push @do_aa, "objc-1", "objv+1";
+ } else {
+ $pa_body .= " if (--objc) { e=\"too many args\"; goto e_err; }\n";
+ $any_eerr= 0;
+ }
+ if ($any_optl) {
+ $pa_body .= "end_optional:\n";
}
if (exists $r_entry->{R}) {
$t= $r_entry->{R};
- push @pa_al, make_decl("*result", $t);
+ push @do_al, make_decl("*result", $t);
+ $pa_vars .= make_decl_init("result", $t, '', \$pa_init);
+ push @do_aa, "&result";
+ $pa_rslt .= " Tcl_SetObjResult(ip, ret_$t(ip, result));\n";
}
- $pa_decl .= join ', ', @pa_al;
- $pa_decl .= ");\n";
- print $pa_decl or die $!;
+ $pa_body .= "\n";
+ $pa_body .= " rc= do_${c_table}_${c_entry}(";
+ $pa_body .= join ', ', @do_aa;
+ $pa_body .= ");\n";
+ $pa_body .= " if (rc) goto rc_err;\n";
+
+ $pa_rslt .= " rc= TCL_OK;\n\n";
+ $pa_rslt .= "rc_err:\n";
+
+ $pa_fini .= " return rc;\n";
+ if ($any_eerr) {
+ $pa_vars .= " const char *e;\n";
+ $pa_fini .= "\n";
+ $pa_fini .= "e_err:";
+ $pa_fini .= " setstringresult(ip,e);";
+ $pa_fini .= " rc= TCL_ERROR; goto rc_err;\n";
+ }
+ $pa_vars .= "\n";
+ $pa_init .= "\n" if length $pa_init;
+ $pa_fini .= "}\n\n";
+ o('c',100,
+ "static ".$pa_decl." {\n".
+ $pa_vars.
+ $pa_init.
+ $pa_argc.
+ $pa_body.
+ $pa_rslt.
+ $pa_free.
+ $pa_fini);
+ $do_decl .= join ', ', @do_al;
+ $do_decl .= ")";
+ o('h',100, $do_decl.";\n") or die $!;
+ }
+}
+
+o(c, 0, "#include \"$prefix.h\"\n");
+
+o(h, 0,
+ "#ifndef INCLUDED_\U${prefix}_H\n".
+ "#define INCLUDED_\U${prefix}_H\n\n".
+ "#include <tcl.h>\n");
+
+o(h, 999,
+ "#endif /*INCLUDED_\U${prefix}_H*/\n");
+
+if (defined $output) {
+ $oh= new IO::File "$output.tmp", 'w' or die "$output.tmp: $!\n";
+} else {
+ $oh= 'STDOUT';
+}
+
+print $oh "/* AUTOGENERATED - DO NOT EDIT */\n" or die $!;
+foreach $pr (sort keys %{ $o{$write} }) {
+ print $oh "\n" or die $!;
+ print $oh $o{$write}{$pr} or die $!;
+}
+
+die if $oh->error;
+die $! unless $oh->close;
+
+if (defined $output) {
+ rename "$output.tmp", $output or die $!;
+}
+
+sub o ($$) {
+ my ($wh,$pr,$s) = @_;
+ $o{$wh}{sprintf "%010d", $pr} .= $s;
+}
+
+sub make_decl_init ($$$$) {
+ my ($n, $t, $a, $initcode) = @_;
+ my ($o,$init);
+ $o= make_decl($n,$t,$a);
+ if (exists $type_init{$t}) {
+ $init= $type_init{$t};
+ $$initcode .= " ".subst_in("$n", $init)."\n"
+ if length $init;
+ } else {
+ $o .= ' =0';
}
+ return " ".$o.";\n";
}
sub make_decl ($$$) {
defined $types{$t} or die "unknown type $t\n";
$c= $types{$t}{C};
}
- return make_decl_c($n,$c);
+ return subst_in($n,$c);
}
-sub make_decl_c ($$) {
- my ($n, $c) = @_;
- $c =~ m/\@/ or die "$c for $n?";
- return "$`$n$'";
+sub subst_in ($$$) {
+ my ($val, $pat, $why) = @_;
+ $pat =~ m/\@/ or die "$pat for $val in $why ?";
+ $pat =~ s/\@/$val/g;
+ return $pat;
}
sub badsyntax ($$$) {
~ian / chiark-tcl.git / blobdiff