Warnings: generate: Basic `wrn' function

[subdirmk.git] / generate

diff --git a/generate b/generate
index 4a0450686c61e556227a1134bef5f3d114b7b277..9be1cfb8bf4b5d9f6ceabb91bd1174724cf8a69b 100755 (executable)
--- a/generate
+++ b/generate
@@ -7,7 +7,7 @@
 # $(srcdir)/subdirmk/generate [--srcdir=SRCDIR] [--] SUBDIR...
 #
 # generates in each subdirectory
-#     Subdir.mk.tmp
+#     Dir.mk.tmp
 #     Makefile
 # and in toplevel
 #     main.mk.tmp
@@ -176,6 +176,11 @@ sub err ($) {
     die "subdirmk: ${err_file}:$.: $m\n";
 }
 
+sub wrn ($) {
+    my ($m) = @_;
+    print STDERR "subdirmk: warning: ${err_file}:$.: $m\n";
+}
+
 sub ddbl_only ($) {
     my ($e) = @_;
     return if $ddbl;
@@ -216,6 +221,7 @@ sub process_input_mk ($$$$) {
 
     local $ddbl;
     my @nest = (['']);
+    my $evalcall_brackets;
 
     my $push_nest = sub {
        my ($nk, $nndbl, $what) = @_;
@@ -255,12 +261,14 @@ sub process_input_mk ($$$$) {
                    : s{^(.*?)($esc)}{}) { od $_; last; }
            od $1;
            if ($2 eq '{') {
-               $ddbl++;
+               od $2;
+               $evalcall_brackets++;
                next;
            } elsif ($2 eq '}') {
-               next if --$ddbl;
+               od $2;
+               next if --$evalcall_brackets;
                $pop_nest->('eval');
-               od '}}';
+               od '}';
                next;
            }
            if (s{^\\$esc}{}) { od "$$esclitr" }
@@ -282,6 +290,7 @@ sub process_input_mk ($$$$) {
            elsif (s{^\$\{}{}) {
                err 'macro invocation cannot be re-$-doubled' if $ddbl;
                od '${eval ${call ';
+               $evalcall_brackets = 1;
                $push_nest->('eval',1, '&${...}');
            } elsif (s{^([~^]?)(?=[ \t])}{}) {
                my $prefix = $pfxmap{$1} // die "internal error ($1?)";
@@ -333,9 +342,9 @@ sub filter_subdir_mk ($) {
        my ($f, $enoentok) = @_;
        process_input_mk($targets, "${srcdir}/$f", \$esclit, $enoentok);
     };
-    $pi->("Prefix.sd.mk",              1);
-    $pi->("${dir_prefix}Subdir.sd.mk", 0);
-    $pi->("Suffix.sd.mk",              1);
+    $pi->("Prefix.sd.mk",           1);
+    $pi->("${dir_prefix}Dir.sd.mk", 0);
+    $pi->("Suffix.sd.mk",           1);
 }
 
 sub process_subtree ($$);
@@ -351,7 +360,7 @@ sub process_subtree ($$) {
     # ^ this is the only var which we need before we come back from
     #   the recursion.
 
-    push @output_makefiles, "${dir_prefix}Subdir.mk";
+    push @output_makefiles, "${dir_prefix}Dir.mk";
     write_makefile($dir_prefix, scalar @$path);
 
     my %targets = (all => []);
@@ -364,12 +373,12 @@ sub process_subtree ($$) {
     }
 
     set_dir_vars($path);
-    start_output_file("${dir_prefix}Subdir.mk.tmp");
+    start_output_file("${dir_prefix}Dir.mk.tmp");
 
     if ($node->[2]) {
        filter_subdir_mk(\%targets);
     } else {
-       my $sdmk = "${dir_prefix}Subdir.sd.mk";
+       my $sdmk = "${dir_prefix}Dir.sd.mk";
        if (stat $sdmk) {
            die
  "subdirmk: $sdmk unexpectedly exists (${dir_prefix} not mentioned on subdirmk/generate command line, maybe directory is missing from SUBDIRMK_SUBDIRS)";
@@ -384,16 +393,16 @@ sub process_subtree ($$) {
     my @targets = sort keys %targets;
     foreach my $target (@targets) {
        my $target_varname = target_varname($var_prefix, $target);
-       print O "${dir_prefix}${target}:: \$($target_varname)";
+       oraw "${dir_prefix}${target}:: \$($target_varname)";
        foreach my $child_subdir (@{ $targets{$target} }) {
-           print O " $child_subdir/$target";
+           oraw " $child_subdir/$target";
        }
-       print O "\n";
+       oraw "\n";
     }
     if (@targets) {
-       print O ".PHONY:";
-       print O " ${dir_prefix}${_}" foreach @targets;
-       print O "\n";
+       oraw ".PHONY:";
+       oraw " ${dir_prefix}${_}" foreach @targets;
+       oraw "\n";
     }
 
     return @targets;