fitzhardinge | 7e343cd | 2003-12-16 02:14:00 +0000 | [diff] [blame^] | 1 | #!/usr/bin/perl |
| 2 | |
| 3 | my $output = shift @ARGV; |
| 4 | my $indent = ""; |
| 5 | my $headerguard; |
| 6 | my $include; |
| 7 | my $passcomment = 1; |
| 8 | |
| 9 | my $struct = "VG_(tool_interface)"; |
| 10 | |
| 11 | my %pfxmap = ("track" => "SK_", |
| 12 | "tool" => "SK_", |
| 13 | "malloc"=> "SK_", |
| 14 | ); |
| 15 | |
| 16 | sub getargnames(@) { |
| 17 | my @args = @_; |
| 18 | my @ret; |
| 19 | |
| 20 | foreach my $a (@args) { |
| 21 | my @pieces = split /\s+/, $a; |
| 22 | my $name = pop @pieces; |
| 23 | push @ret, $name unless $name eq "void"; |
| 24 | } |
| 25 | return @ret; |
| 26 | } |
| 27 | |
| 28 | sub getargtypes(@) { |
| 29 | my @args = @_; |
| 30 | my @ret; |
| 31 | |
| 32 | foreach my $a (@args) { |
| 33 | my @pieces = split /\s+/, $a; |
| 34 | pop @pieces; |
| 35 | push @ret, (join " ", @pieces); |
| 36 | } |
| 37 | @ret = "void" if ($#ret == -1); |
| 38 | return @ret; |
| 39 | } |
| 40 | |
| 41 | # Different output modes |
| 42 | if ($output eq "callwrap") { |
| 43 | $include = "vg_include.h"; |
| 44 | $generate = sub ($$$@) { |
| 45 | my ($pfx, $ret, $func, @args) = @_; |
| 46 | my $args = join ", ", @args; |
| 47 | my $argnames = join ", ", getargnames(@args); |
| 48 | print "$ret $pfxmap{$pfx}($func)($args)\n{\n"; |
| 49 | print " return (*$struct.${pfx}_$func)($argnames);\n"; |
| 50 | print "}\n"; |
| 51 | } |
| 52 | } elsif ($output eq "proto") { |
| 53 | $include = "vg_include.h"; |
| 54 | $generate = sub ($$$@) { |
| 55 | my ($pfx, $ret, $func, @args) = @_; |
| 56 | my $args = join ', ', @args; |
| 57 | |
| 58 | print "$ret $pfxmap{$pfx}($func)($args);\n"; |
| 59 | print "Bool VG_(defined_$func)(void);\n"; |
| 60 | } |
| 61 | } elsif ($output eq "toolproto") { |
| 62 | $generate = sub ($$$@) { |
| 63 | my ($pfx, $ret, $func, @args) = @_; |
| 64 | my $args = join ', ', @args; |
| 65 | |
| 66 | print "$ret $pfxmap{$pfx}($func)($args);\n"; |
| 67 | } |
| 68 | } elsif ($output eq "missingfuncs") { |
| 69 | $include = "vg_include.h"; |
| 70 | $generate = sub ($$$@) { |
| 71 | my ($pfx, $ret, $func, @args) = @_; |
| 72 | my $args = join ", ", @args; |
| 73 | |
| 74 | print "static $ret missing_${pfx}_$func($args) {\n"; |
| 75 | print " VG_(missing_tool_func)(\"${pfx}_$func\");\n"; |
| 76 | print "}\n"; |
| 77 | print "Bool VG_(defined_$func)(void) {\n"; |
| 78 | print " return $struct.${pfx}_$func != missing_${pfx}_$func;\n"; |
| 79 | print "}\n\n"; |
| 80 | }; |
| 81 | $indent = " "; |
| 82 | } elsif ($output eq "struct") { |
| 83 | $include = "vg_include.h"; |
| 84 | $pre = sub () { |
| 85 | print "typedef struct {\n"; |
| 86 | }; |
| 87 | $post = sub () { |
| 88 | print "} VgToolInterface;\n\n"; |
| 89 | print "extern VgToolInterface $struct;\n" |
| 90 | }; |
| 91 | $generate = sub ($$$@) { |
| 92 | my ($pfx, $ret, $func, @args) = @_; |
| 93 | my $args = join ", ", @args; |
| 94 | |
| 95 | print "$indent$ret (*${pfx}_$func)($args);\n"; |
| 96 | }; |
| 97 | $indent = " "; |
| 98 | $headerguard=$output; |
| 99 | } elsif ($output eq "structdef") { |
| 100 | $include = "vg_toolint.h"; |
| 101 | $pre = sub () { |
| 102 | print "VgToolInterface $struct = {\n"; |
| 103 | }; |
| 104 | $post = sub () { |
| 105 | print "};\n"; |
| 106 | }; |
| 107 | $generate = sub ($$$@) { |
| 108 | my ($pfx, $ret, $func, @args) = @_; |
| 109 | |
| 110 | print "$indent.${pfx}_$func = missing_${pfx}_$func,\n" |
| 111 | }; |
| 112 | $indent = " "; |
| 113 | } elsif ($output eq "initfunc") { |
| 114 | $include = "vg_skin.h"; |
| 115 | $generate = sub ($$$@) { |
| 116 | my ($pfx, $ret, $func, @args) = @_; |
| 117 | my $args = join ", ", @args; |
| 118 | my $argnames = join ", ", getargnames(@args); |
| 119 | |
| 120 | print <<EOF; |
| 121 | void VG_(init_$func)($ret (*func)($args)) |
| 122 | { |
| 123 | if (func == NULL) |
| 124 | func = missing_${pfx}_$func; |
| 125 | if (VG_(defined_$func)()) |
| 126 | VG_(printf)("Warning tool is redefining $func\\n"); |
| 127 | if (func == SK_($func)) |
| 128 | VG_(printf)("Warning tool is defining $func recursively\\n"); |
| 129 | $struct.${pfx}_$func = func; |
| 130 | } |
| 131 | EOF |
| 132 | } |
| 133 | } elsif ($output eq "initproto") { |
| 134 | $generate = sub ($$$@) { |
| 135 | my ($pfx, $ret, $func, @args) = @_; |
| 136 | my $args = join ', ', @args; |
| 137 | print "void VG_(init_$func)($ret (*func)($args));\n"; |
| 138 | }; |
| 139 | $headerguard=$output; |
| 140 | } elsif ($output eq "initdlsym") { |
| 141 | $pre = sub () { |
| 142 | print <<EOF; |
| 143 | #include <dlfcn.h> |
| 144 | void VG_(tool_init_dlsym)(void *dlhandle) |
| 145 | { |
| 146 | void *ret; |
| 147 | |
| 148 | EOF |
| 149 | }; |
| 150 | $post = sub () { |
| 151 | print "}\n"; |
| 152 | }; |
| 153 | $generate = sub ($$$@) { |
| 154 | my ($pfx, $ret, $func, @args) = @_; |
| 155 | my $args = join ", ", getargtypes(@args); |
| 156 | |
| 157 | print <<EOF; |
| 158 | ret = dlsym(dlhandle, "vgSkin_$func"); |
| 159 | if (ret != NULL) |
| 160 | VG_(init_$func)(($ret (*)($args))ret); |
| 161 | |
| 162 | EOF |
| 163 | }; |
| 164 | |
| 165 | $passcomment = 0; |
| 166 | } |
| 167 | |
| 168 | die "Unknown output format \"$output\"" unless defined $generate; |
| 169 | |
| 170 | print "/* Generated by \"gen_toolint.pl $output\" */\n"; |
| 171 | |
| 172 | print <<EOF if defined $headerguard; |
| 173 | |
| 174 | #ifndef VG_toolint_$headerguard |
| 175 | #define VG_toolint_$headerguard |
| 176 | |
| 177 | EOF |
| 178 | |
| 179 | print <<EOF if defined $include; |
| 180 | #include \"$include\" |
| 181 | EOF |
| 182 | |
| 183 | &$pre() if defined $pre; # preamble |
| 184 | |
| 185 | my $state = "idle"; |
| 186 | |
| 187 | my $buf; |
| 188 | my $lines; |
| 189 | |
| 190 | while(<STDIN>) { |
| 191 | # skip simple comments |
| 192 | next if (/^#[^#]/); |
| 193 | |
| 194 | if (/^:/) { |
| 195 | s/^://; |
| 196 | chomp; |
| 197 | $prefix=$_; |
| 198 | next; |
| 199 | } |
| 200 | |
| 201 | # look for inserted comments |
| 202 | if (/^##/) { |
| 203 | if ($state eq "idle") { |
| 204 | $state = "comment"; |
| 205 | $lines = 1; |
| 206 | $_ =~ s,^## ,/* ,; |
| 207 | $buf = $_; |
| 208 | next; |
| 209 | } elsif ($state eq "comment") { |
| 210 | $lines++; |
| 211 | $_ =~ s,^## , ,; |
| 212 | print $indent.$buf if $passcomment; |
| 213 | $buf = $_; |
| 214 | next; |
| 215 | } |
| 216 | next; |
| 217 | } |
| 218 | |
| 219 | # blank lines in a comment are part of the comment |
| 220 | if (/^\s*$/) { |
| 221 | if ($state eq "comment") { |
| 222 | $lines++; |
| 223 | print $indent.$buf if $passcomment; |
| 224 | $buf = "\n"; |
| 225 | } else { |
| 226 | print "\n" if $passcomment; |
| 227 | } |
| 228 | next; |
| 229 | } |
| 230 | |
| 231 | # coming out of a comment |
| 232 | if ($state eq "comment") { |
| 233 | chomp $buf; |
| 234 | |
| 235 | if ($passcomment) { |
| 236 | if ($lines == 1) { |
| 237 | print "$indent$buf */\n"; |
| 238 | } else { |
| 239 | print "$indent$buf\n$indent */\n"; |
| 240 | } |
| 241 | } |
| 242 | $buf = ""; |
| 243 | $state = "idle"; |
| 244 | } |
| 245 | |
| 246 | chomp; |
| 247 | my @func = split /,\s*/; |
| 248 | |
| 249 | my $rettype = shift @func; |
| 250 | my $funcname = shift @func; |
| 251 | |
| 252 | @func = "void" if scalar @func == 0; |
| 253 | |
| 254 | &$generate ($prefix, $rettype, $funcname, @func); |
| 255 | } |
| 256 | |
| 257 | &$post() if defined $post; # postamble |
| 258 | |
| 259 | print <<EOF if defined $headerguard; |
| 260 | |
| 261 | #endif /* VG_toolint_$headerguard */ |
| 262 | EOF |