зеркало из https://github.com/mozilla/gecko-dev.git
initial add of perl script to generate icode classes
This commit is contained in:
rginda%netscape.com
Родитель
17ec7b0f1a
Коммит
0d5e50344a
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@ -0,0 +1,270 @@
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use strict;
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my $tab = " ";
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my $tab2 = " ";
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my $enum_decs = "";
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my $class_decs = "";
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my $name_array = "";
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my $compare_op =
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{
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super => "Compare",
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rem => "dest, source",
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params => [ ("Register", "Register") ]
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};
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my $math_op =
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{
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super => "Arithmetic",
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rem => "dest, source1, source2",
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params => [ ("Register", "Register", "Register") ]
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};
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my $cbranch_op =
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{
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super => "GenericBranch",
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rem => "target label, condition",
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params => [ ("Label*", "Register") ]
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};
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my %ops;
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$ops{"NOP"} =
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{
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super => "Instruction",
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rem => "do nothing and like it",
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params => [ () ]
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};
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$ops{"MOVE"} =
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{
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super => "Instruction_2",
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rem => "dest, source",
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params => [ ("Register", "Register") ]
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};
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$ops{"LOAD_VAR"} =
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{
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super => "Instruction_2",
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rem => "dest, index of frame slot",
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params => [ ("Register", "uint32" ) ]
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};
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$ops{"SAVE_VAR"} =
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{
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super => "Instruction_2",
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rem => "index of frame slot, source",
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params => [ ("uint32", "Register") ]
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};
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$ops{"LOAD_IMMEDIATE"} =
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{
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super => "Instruction_2",
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rem => "dest, immediate value (double)",
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params => [ ("Register", "double" ) ]
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};
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$ops{"LOAD_NAME"} =
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{
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super => "Instruction_2",
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rem => "dest, name",
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params => [ ("Register", "StringAtom*" ) ]
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};
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$ops{"SAVE_NAME"} =
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{
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super => "Instruction_2",
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rem => "name, source",
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params => [ ("StringAtom*", "Register") ]
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};
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$ops{"NEW_OBJECT"} =
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{
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super => "Instruction_1",
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rem => "dest",
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params => [ ("Register" ) ]
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};
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$ops{"NEW_ARRAY"} =
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{
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super => "Instruction_1",
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rem => "dest",
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params => [ ("Register" ) ]
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};
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$ops{"GET_PROP"} =
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{
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super => "Instruction_3",
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rem => "dest, object, prop name",
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params => [ ("Register", "Register", "StringAtom*") ]
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};
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$ops{"SET_PROP"} =
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{
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super => "Instruction_3",
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rem => "object, name, source",
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params => [ ("Register", "StringAtom*", "Register") ]
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};
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$ops{"GET_ELEMENT"} =
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{
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super => "Instruction_3",
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rem => "dest, array, index",
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params => [ ("Register", "Register", "Register") ]
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};
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$ops{"SET_ELEMENT"} =
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{
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super => "Instruction_3",
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rem => "base, source1, source2",
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params => [ ("Register", "Register", "Register") ]
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};
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$ops{"ADD"} = $math_op;
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$ops{"SUBTRACT"} = $math_op;
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$ops{"MULTIPLY"} = $math_op;
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$ops{"DIVIDE"} = $math_op;
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$ops{"COMPARE_LT"} = $compare_op;
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$ops{"COMPARE_LE"} = $compare_op;
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$ops{"COMPARE_EQ"} = $compare_op;
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$ops{"COMPARE_NE"} = $compare_op;
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$ops{"COMPARE_GE"} = $compare_op;
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$ops{"COMPARE_GT"} = $compare_op;
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$ops{"NOT"} =
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{
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super => "Instruction_2",
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rem => "dest, source",
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params => [ ("Register", "Register") ]
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};
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$ops{"BRANCH"} =
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{
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super => "GenericBranch",
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rem => "target label",
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params => [ ("Label*") ]
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};
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$ops{"BRANCH_LT"} = $cbranch_op;
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$ops{"BRANCH_LE"} = $cbranch_op;
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$ops{"BRANCH_EQ"} = $cbranch_op;
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$ops{"BRANCH_NE"} = $cbranch_op;
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$ops{"BRANCH_GE"} = $cbranch_op;
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$ops{"BRANCH_GT"} = $cbranch_op;
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$ops{"RETURN"} =
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{
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super => "Instruction_1",
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rem => "return value or NotARegister",
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params => [ ("Register = NotARegister") ]
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};
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$ops{"CALL"} =
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{
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super => "Instruction_3",
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rem => "result, target, args",
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params => [ ("Register" , "Register", "RegisterList") ]
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};
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my $k;
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if (!$ARGV[0]) {
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for $k (sort(keys(%ops))) {
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&collect($k);
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}
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} else {
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while ($k = pop(@ARGV)) {
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&collect ($k);
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}
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}
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&spew;
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sub collect {
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my ($k) = @_;
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my $c = $ops{$k};
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my $opname = $k;
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my $cname = get_classname ($k);
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my $super = $c->{"super"};
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my $constructor = $super;
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my $rem = $c->{"rem"};
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my ($dec_list, $call_list, $tostr_list, $template_list) =
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&get_paramlists(@{$c->{"params"}});
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my $params = $call_list ? $opname . ", " . $call_list : $opname;
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my $tostr = $tostr_list ? " << \"\\t\" << $tostr_list" : "";
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if ($super =~ /Instruction_\d/) {
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$super .= "<" . $template_list . ">";
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}
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$enum_decs .= "$tab2$tab$opname, /* $rem */\n";
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$name_array .= "$tab2$tab\"$opname\",\n";
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$class_decs .= ($tab2 . "class $cname : public $super {\n" .
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$tab2 . "public:\n" .
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$tab2 . $tab . "/* $rem */\n" .
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$tab2 . $tab . "$cname ($dec_list) :\n" .
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$tab2 . $tab . $tab . "$super\n$tab2$tab$tab($params) " .
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"{};\n" .
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$tab2 . $tab .
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"virtual Formatter& print (Formatter& f) {\n" .
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$tab2 . $tab . $tab . "f << " .
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"opcodeNames[$opname]$tostr;\n" .
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$tab2 . $tab . $tab . "return f;\n" .
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$tab2 . $tab . "}\n" .
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$tab2 . "};\n\n");
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}
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sub spew {
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print $tab . "enum ICodeOp {\n$enum_decs$tab};\n\n";
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print $tab . "static char *opcodeNames[] = {\n$name_array$tab};\n\n";
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print $class_decs;
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}
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sub get_classname {
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my ($enum_name) = @_;
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my @words = split ("_", $enum_name);
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my $cname = "";
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my $i;
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my $word;
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for $word (@words) {
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if (length($word) == 2) {
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$cname .= uc($word);
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} else {
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$cname .= uc(substr($word, 0, 1)) . lc(substr($word, 1));
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}
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}
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return $cname;
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}
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sub get_paramlists {
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my @types = @_;
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my @dec;
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my @call;
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my @tostr;
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my @template;
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my $op = 1;
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my $type;
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for $type (@types) {
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my $pfx;
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my $deref;
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my $member;
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my $default;
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($type, $default) = split (" = ", $type);
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if ($default ne "") {
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$default = " = " . $default;
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}
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$pfx = $deref = "";
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$member = "op$op";
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push (@dec, "$type op$op" . "A$default");
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push (@call, "op$op" . "A");
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push (@template, $type);
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if ($type eq "Register") {
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$pfx = "R";
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} elsif ($type eq "Label*") {
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$member = "op1->offset";
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$pfx = "Offset ";
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} elsif ($type eq "StringAtom*") {
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$deref = "*";
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}
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if ($pfx) {
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push (@tostr, "\"" . $pfx . "\" << " . $deref . $member);
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} else {
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push (@tostr, $deref . "op$op");
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}
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$op++;
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}
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return (join (", ", @dec), join (", ", @call),
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join (" << \", \" << ", @tostr), join (", ", @template));
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}
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@ -0,0 +1,270 @@
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use strict;
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my $tab = " ";
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my $tab2 = " ";
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my $enum_decs = "";
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my $class_decs = "";
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my $name_array = "";
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my $compare_op =
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{
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super => "Compare",
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rem => "dest, source",
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params => [ ("Register", "Register") ]
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};
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my $math_op =
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{
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super => "Arithmetic",
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rem => "dest, source1, source2",
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params => [ ("Register", "Register", "Register") ]
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};
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my $cbranch_op =
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{
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super => "GenericBranch",
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rem => "target label, condition",
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params => [ ("Label*", "Register") ]
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};
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my %ops;
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$ops{"NOP"} =
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{
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super => "Instruction",
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rem => "do nothing and like it",
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params => [ () ]
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};
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$ops{"MOVE"} =
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{
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super => "Instruction_2",
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rem => "dest, source",
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params => [ ("Register", "Register") ]
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};
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$ops{"LOAD_VAR"} =
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{
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super => "Instruction_2",
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rem => "dest, index of frame slot",
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params => [ ("Register", "uint32" ) ]
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};
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$ops{"SAVE_VAR"} =
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{
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super => "Instruction_2",
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rem => "index of frame slot, source",
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params => [ ("uint32", "Register") ]
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};
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$ops{"LOAD_IMMEDIATE"} =
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{
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super => "Instruction_2",
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rem => "dest, immediate value (double)",
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params => [ ("Register", "double" ) ]
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};
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$ops{"LOAD_NAME"} =
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{
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super => "Instruction_2",
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rem => "dest, name",
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params => [ ("Register", "StringAtom*" ) ]
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};
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$ops{"SAVE_NAME"} =
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{
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super => "Instruction_2",
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rem => "name, source",
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params => [ ("StringAtom*", "Register") ]
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};
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$ops{"NEW_OBJECT"} =
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{
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super => "Instruction_1",
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rem => "dest",
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params => [ ("Register" ) ]
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};
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$ops{"NEW_ARRAY"} =
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{
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super => "Instruction_1",
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rem => "dest",
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params => [ ("Register" ) ]
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};
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$ops{"GET_PROP"} =
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{
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super => "Instruction_3",
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rem => "dest, object, prop name",
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params => [ ("Register", "Register", "StringAtom*") ]
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};
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$ops{"SET_PROP"} =
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{
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super => "Instruction_3",
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rem => "object, name, source",
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params => [ ("Register", "StringAtom*", "Register") ]
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};
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$ops{"GET_ELEMENT"} =
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{
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super => "Instruction_3",
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rem => "dest, array, index",
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params => [ ("Register", "Register", "Register") ]
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};
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$ops{"SET_ELEMENT"} =
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{
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super => "Instruction_3",
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rem => "base, source1, source2",
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params => [ ("Register", "Register", "Register") ]
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};
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$ops{"ADD"} = $math_op;
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$ops{"SUBTRACT"} = $math_op;
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$ops{"MULTIPLY"} = $math_op;
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$ops{"DIVIDE"} = $math_op;
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$ops{"COMPARE_LT"} = $compare_op;
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$ops{"COMPARE_LE"} = $compare_op;
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$ops{"COMPARE_EQ"} = $compare_op;
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$ops{"COMPARE_NE"} = $compare_op;
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$ops{"COMPARE_GE"} = $compare_op;
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$ops{"COMPARE_GT"} = $compare_op;
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$ops{"NOT"} =
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{
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super => "Instruction_2",
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rem => "dest, source",
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params => [ ("Register", "Register") ]
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};
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$ops{"BRANCH"} =
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{
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super => "GenericBranch",
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rem => "target label",
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params => [ ("Label*") ]
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};
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$ops{"BRANCH_LT"} = $cbranch_op;
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$ops{"BRANCH_LE"} = $cbranch_op;
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$ops{"BRANCH_EQ"} = $cbranch_op;
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$ops{"BRANCH_NE"} = $cbranch_op;
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$ops{"BRANCH_GE"} = $cbranch_op;
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$ops{"BRANCH_GT"} = $cbranch_op;
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$ops{"RETURN"} =
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{
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super => "Instruction_1",
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rem => "return value or NotARegister",
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params => [ ("Register = NotARegister") ]
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};
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$ops{"CALL"} =
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{
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super => "Instruction_3",
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rem => "result, target, args",
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params => [ ("Register" , "Register", "RegisterList") ]
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};
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my $k;
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if (!$ARGV[0]) {
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for $k (sort(keys(%ops))) {
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&collect($k);
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}
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} else {
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while ($k = pop(@ARGV)) {
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&collect ($k);
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}
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}
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&spew;
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sub collect {
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my ($k) = @_;
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my $c = $ops{$k};
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my $opname = $k;
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my $cname = get_classname ($k);
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my $super = $c->{"super"};
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my $constructor = $super;
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my $rem = $c->{"rem"};
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my ($dec_list, $call_list, $tostr_list, $template_list) =
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&get_paramlists(@{$c->{"params"}});
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my $params = $call_list ? $opname . ", " . $call_list : $opname;
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my $tostr = $tostr_list ? " << \"\\t\" << $tostr_list" : "";
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if ($super =~ /Instruction_\d/) {
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$super .= "<" . $template_list . ">";
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}
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|
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$enum_decs .= "$tab2$tab$opname, /* $rem */\n";
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$name_array .= "$tab2$tab\"$opname\",\n";
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$class_decs .= ($tab2 . "class $cname : public $super {\n" .
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$tab2 . "public:\n" .
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$tab2 . $tab . "/* $rem */\n" .
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$tab2 . $tab . "$cname ($dec_list) :\n" .
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$tab2 . $tab . $tab . "$super\n$tab2$tab$tab($params) " .
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"{};\n" .
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$tab2 . $tab .
|
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"virtual Formatter& print (Formatter& f) {\n" .
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$tab2 . $tab . $tab . "f << " .
|
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"opcodeNames[$opname]$tostr;\n" .
|
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$tab2 . $tab . $tab . "return f;\n" .
|
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$tab2 . $tab . "}\n" .
|
||||
$tab2 . "};\n\n");
|
||||
|
||||
}
|
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|
||||
sub spew {
|
||||
|
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print $tab . "enum ICodeOp {\n$enum_decs$tab};\n\n";
|
||||
print $tab . "static char *opcodeNames[] = {\n$name_array$tab};\n\n";
|
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print $class_decs;
|
||||
}
|
||||
|
||||
sub get_classname {
|
||||
my ($enum_name) = @_;
|
||||
my @words = split ("_", $enum_name);
|
||||
my $cname = "";
|
||||
my $i;
|
||||
my $word;
|
||||
|
||||
for $word (@words) {
|
||||
if (length($word) == 2) {
|
||||
$cname .= uc($word);
|
||||
} else {
|
||||
$cname .= uc(substr($word, 0, 1)) . lc(substr($word, 1));
|
||||
}
|
||||
}
|
||||
|
||||
return $cname;
|
||||
}
|
||||
|
||||
sub get_paramlists {
|
||||
my @types = @_;
|
||||
my @dec;
|
||||
my @call;
|
||||
my @tostr;
|
||||
my @template;
|
||||
my $op = 1;
|
||||
my $type;
|
||||
|
||||
for $type (@types) {
|
||||
my $pfx;
|
||||
my $deref;
|
||||
my $member;
|
||||
my $default;
|
||||
|
||||
($type, $default) = split (" = ", $type);
|
||||
if ($default ne "") {
|
||||
$default = " = " . $default;
|
||||
}
|
||||
|
||||
$pfx = $deref = "";
|
||||
$member = "op$op";
|
||||
|
||||
push (@dec, "$type op$op" . "A$default");
|
||||
push (@call, "op$op" . "A");
|
||||
push (@template, $type);
|
||||
if ($type eq "Register") {
|
||||
$pfx = "R";
|
||||
} elsif ($type eq "Label*") {
|
||||
$member = "op1->offset";
|
||||
$pfx = "Offset ";
|
||||
} elsif ($type eq "StringAtom*") {
|
||||
$deref = "*";
|
||||
}
|
||||
if ($pfx) {
|
||||
push (@tostr, "\"" . $pfx . "\" << " . $deref . $member);
|
||||
} else {
|
||||
push (@tostr, $deref . "op$op");
|
||||
}
|
||||
$op++;
|
||||
}
|
||||
|
||||
return (join (", ", @dec), join (", ", @call),
|
||||
join (" << \", \" << ", @tostr), join (", ", @template));
|
||||
}
|
||||
Загрузка…
Ссылка в новой задаче