2000-04-28 17:17:35 +04:00
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#!perl
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2000-04-18 04:22:51 +04:00
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use strict;
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my $tab = " ";
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2000-04-19 01:51:45 +04:00
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my $init_tab = $tab;
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2000-04-18 04:22:51 +04:00
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my $enum_decs = "";
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my $class_decs = "";
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2000-04-18 05:19:12 +04:00
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my @name_array;
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my $opcode_maxlen = 0;
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2000-04-18 04:22:51 +04:00
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2000-04-25 01:43:49 +04:00
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#
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# fields are:
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#
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# * super: Class to inherit from, if super is Instruction_(1|2|3), the script
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# will automatically append the correct template info based on |params|
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2000-04-28 06:33:36 +04:00
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# * super_has_print: Set to 1 if you want to inherit the print() and print_args()
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# methods from the superclass, set to 0 (or just don't set)
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# to generate print methods.
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2000-04-25 01:43:49 +04:00
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# * rem: Remark you want to show up after the enum def, and inside the class.
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# * params: The parameter list expected by the constructor, you can specify a
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# default value, using the syntax, [ ("Type = default") ].
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#
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2000-04-28 06:26:14 +04:00
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# class names will be generated based on the opcode mnemonic. See the
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2000-04-25 01:43:49 +04:00
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# subroutine get_classname for the implementation. Basically underscores will
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# be removes and the class name will be WordCapped, using the positions where the
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# underscores were as word boundries. The only exception occurs when a word is
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# two characters, in which case both characters will be capped,
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# as in BRANCH_GT -> BranchGT.
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#
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2000-04-28 06:26:14 +04:00
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#
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# template definitions for compare, arithmetic, and conditional branch ops
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#
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2000-04-18 04:22:51 +04:00
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my $compare_op =
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{
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super => "Compare",
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2000-04-21 04:04:14 +04:00
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super_has_print => 1,
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2000-04-18 04:22:51 +04:00
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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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2000-04-21 04:04:14 +04:00
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super_has_print => 1,
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2000-04-18 04:22:51 +04:00
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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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2000-04-21 04:04:14 +04:00
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super_has_print => 1,
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2000-04-18 04:22:51 +04:00
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rem => "target label, condition",
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params => [ ("Label*", "Register") ]
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};
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2000-05-06 01:36:36 +04:00
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my $unary_op =
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{
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super => "Instruction_2",
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rem => "dest, source",
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params => [ ("Register", "Register") ]
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};
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2000-04-25 01:43:49 +04:00
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#
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# op defititions
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#
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2000-04-18 04:22:51 +04:00
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my %ops;
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$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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};
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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_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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2000-05-18 04:04:15 +04:00
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$ops{"LOAD_VALUE"} =
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{
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super => "Instruction_2",
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rem => "dest, immediate value (JSValue)",
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params => [ ("Register", "JSValue" ) ]
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};
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2000-05-06 03:23:13 +04:00
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$ops{"LOAD_STRING"} =
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{
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super => "Instruction_2",
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rem => "dest, immediate value (string)",
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2000-05-09 09:38:48 +04:00
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params => [ ("Register", "JSString*" ) ]
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2000-05-06 03:23:13 +04:00
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};
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2000-04-18 04:22:51 +04:00
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$ops{"LOAD_NAME"} =
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{
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super => "Instruction_2",
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rem => "dest, name",
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2000-05-05 02:42:49 +04:00
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params => [ ("Register", "const StringAtom*" ) ]
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2000-04-18 04:22:51 +04:00
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};
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$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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2000-05-05 02:42:49 +04:00
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params => [ ("const StringAtom*", "Register") ]
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2000-04-18 04:22:51 +04:00
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};
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$ops{"NEW_OBJECT"} =
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{
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super => "Instruction_1",
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rem => "dest",
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2000-04-28 06:33:36 +04:00
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params => [ ("Register") ]
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2000-04-18 04:22:51 +04:00
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};
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$ops{"NEW_ARRAY"} =
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{
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super => "Instruction_1",
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rem => "dest",
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2000-04-28 06:33:36 +04:00
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params => [ ("Register") ]
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2000-04-18 04:22:51 +04:00
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};
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$ops{"GET_PROP"} =
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{
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super => "Instruction_3",
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rem => "dest, object, prop name",
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2000-05-05 02:42:49 +04:00
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params => [ ("Register", "Register", "const StringAtom*") ]
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2000-04-18 04:22:51 +04:00
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};
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$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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2000-05-05 02:42:49 +04:00
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params => [ ("Register", "const StringAtom*", "Register") ]
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2000-04-18 04:22:51 +04:00
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};
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2000-05-11 04:35:43 +04:00
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$ops{"PROP_XCR"} =
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{
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super => "Instruction_4",
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rem => "dest, source, name, value",
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params => [ ("Register", "Register", "const StringAtom*", "double") ]
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};
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2000-05-18 04:04:15 +04:00
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$ops{"ELEM_XCR"} =
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{
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super => "Instruction_4",
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rem => "dest, base, index, value",
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params => [ ("Register", "Register", "Register", "double") ]
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};
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2000-05-11 04:35:43 +04:00
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$ops{"NAME_XCR"} =
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{
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super => "Instruction_3",
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rem => "dest, name, value",
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params => [ ("Register", "const StringAtom*", "double") ]
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};
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$ops{"VAR_XCR"} =
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{
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super => "Instruction_3",
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rem => "dest, source, value",
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params => [ ("Register", "Register", "double") ]
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};
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2000-04-18 04:22:51 +04:00
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$ops{"GET_ELEMENT"} =
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{
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super => "Instruction_3",
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2000-05-18 04:04:15 +04:00
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rem => "dest, base, index",
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2000-04-18 04:22:51 +04:00
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params => [ ("Register", "Register", "Register") ]
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};
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$ops{"SET_ELEMENT"} =
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{
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super => "Instruction_3",
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2000-05-18 04:04:15 +04:00
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rem => "base, index, value",
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2000-04-18 04:22:51 +04:00
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params => [ ("Register", "Register", "Register") ]
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};
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2000-05-06 01:36:36 +04:00
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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{"REMAINDER"} = $math_op;
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$ops{"SHIFTLEFT"} = $math_op;
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$ops{"SHIFTRIGHT"} = $math_op;
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$ops{"USHIFTRIGHT"}= $math_op;
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$ops{"AND"} = $math_op;
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$ops{"OR"} = $math_op;
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$ops{"XOR"} = $math_op;
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2000-04-18 04:22:51 +04:00
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$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"} = $compare_op;
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2000-05-06 01:36:36 +04:00
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$ops{"COMPARE_IN"} = $compare_op;
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$ops{"STRICT_EQ"} = $compare_op;
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$ops{"STRICT_NE"} = $compare_op;
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$ops{"INSTANCEOF"} = $compare_op;
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$ops{"BITNOT"} = $unary_op;
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$ops{"NOT"} = $unary_op;
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2000-05-18 04:04:15 +04:00
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$ops{"TEST"} = $unary_op;
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2000-05-06 01:36:36 +04:00
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$ops{"NEGATE"} = $unary_op;
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$ops{"POSATE"} = $unary_op;
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2000-04-18 04:22:51 +04:00
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$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"} = $cbranch_op;
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2000-05-18 04:04:15 +04:00
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$ops{"BRANCH_TRUE"} = $cbranch_op;
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$ops{"BRANCH_FALSE"} = $cbranch_op;
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2000-04-18 04:22:51 +04:00
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$ops{"RETURN"} =
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{
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super => "Instruction_1",
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2000-04-21 04:04:14 +04:00
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rem => "return value",
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params => [ ("Register") ]
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};
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$ops{"RETURN_VOID"} =
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{
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super => "Instruction",
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rem => "Return without a value"
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2000-04-18 04:22:51 +04:00
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};
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$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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2000-04-25 02:40:53 +04:00
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$ops{"THROW"} =
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{
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super => "Instruction_1",
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rem => "exception value",
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params => [ ("Register") ]
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};
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2000-05-06 01:36:36 +04:00
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$ops{"TRYIN"} =
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2000-04-25 02:40:53 +04:00
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{
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super => "Instruction_2",
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rem => "catch target, finally target",
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params => [ ("Label*", "Label*") ]
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};
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2000-05-06 01:36:36 +04:00
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$ops{"TRYOUT"} =
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2000-04-25 02:40:53 +04:00
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{
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super => "Instruction",
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rem => "mmm, there is no try, only do",
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};
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$ops{"JSR"} =
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{
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super => "GenericBranch",
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rem => "target",
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params => [ ("Label*") ]
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};
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$ops{"RTS"} =
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{
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super => "Instruction",
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rem => "Return to sender",
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};
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2000-04-29 18:10:53 +04:00
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$ops{"WITHIN"} =
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{
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super => "Instruction_1",
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rem => "within this object",
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params => [ ("Register") ]
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};
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$ops{"WITHOUT"} =
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{
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super => "Instruction",
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rem => "without this object",
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};
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2000-04-18 04:22:51 +04:00
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2000-04-25 01:43:49 +04:00
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#
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# nasty perl code, you probably don't need to muck around below this line
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#
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2000-04-18 04:22:51 +04:00
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my $k;
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if (!$ARGV[0]) {
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2000-04-25 01:43:49 +04:00
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# no args, collect all opcodes
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2000-04-18 04:22:51 +04:00
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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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2000-04-25 01:43:49 +04:00
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# collect defs for only the opcodes specified on the command line
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2000-04-18 04:22:51 +04:00
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while ($k = pop(@ARGV)) {
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2000-04-25 01:43:49 +04:00
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&collect (uc($k));
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2000-04-18 04:22:51 +04:00
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}
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}
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&spew;
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sub collect {
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2000-04-25 01:43:49 +04:00
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# grab the info from the $k record in $ops, and append it to
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# $enum_decs, @name_aray, and $class_decs.
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2000-04-18 04:22:51 +04:00
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my ($k) = @_;
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2000-04-18 05:19:12 +04:00
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if (length($k) > $opcode_maxlen) {
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$opcode_maxlen = length($k);
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}
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2000-04-18 04:22:51 +04:00
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my $c = $ops{$k};
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2000-04-25 01:43:49 +04:00
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if (!$c) {
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die ("Unknown opcode, $k\n");
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}
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2000-04-18 04:22:51 +04:00
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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 = $super;
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2000-04-25 02:40:53 +04:00
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my @params;
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if ($c->{"params"}) {
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@params = @{$c->{"params"}};
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} else {
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@params = ();
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}
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2000-04-18 04:22:51 +04:00
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my $rem = $c->{"rem"};
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2000-04-18 11:04:24 +04:00
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my ($dec_list, $call_list, $template_list) =
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2000-04-25 02:40:53 +04:00
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&get_paramlists(@params);
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2000-04-28 06:20:23 +04:00
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my @types = split (", ", $template_list);
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2000-04-25 02:40:53 +04:00
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my $constr_params = $call_list ? $opname . ", " . $call_list : $opname;
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2000-04-18 11:04:24 +04:00
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2000-04-18 04:22:51 +04:00
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if ($super =~ /Instruction_\d/) {
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$super .= "<" . $template_list . ">";
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2000-04-18 05:19:12 +04:00
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|
}
|
2000-04-18 04:22:51 +04:00
|
|
|
|
2000-04-18 05:19:12 +04:00
|
|
|
push (@name_array, $opname);
|
2000-04-19 01:51:45 +04:00
|
|
|
$enum_decs .= "$init_tab$tab$opname, /* $rem */\n";
|
|
|
|
$class_decs .= ($init_tab . "class $cname : public $super {\n" .
|
|
|
|
$init_tab . "public:\n" .
|
|
|
|
$init_tab . $tab . "/* $rem */\n" .
|
|
|
|
$init_tab . $tab . "$cname ($dec_list) :\n" .
|
|
|
|
$init_tab . $tab . $tab . "$super\n" .
|
2000-04-25 02:40:53 +04:00
|
|
|
"$init_tab$tab$tab($constr_params) " .
|
2000-04-21 04:04:14 +04:00
|
|
|
"{};\n");
|
2000-04-28 19:32:54 +04:00
|
|
|
|
2000-04-21 04:04:14 +04:00
|
|
|
if (!$c->{"super_has_print"}) {
|
|
|
|
$class_decs .= ($init_tab . $tab .
|
2000-04-28 09:39:27 +04:00
|
|
|
"virtual Formatter& print(Formatter& f) {\n" .
|
2000-04-21 04:04:14 +04:00
|
|
|
$init_tab . $tab . $tab . "f << opcodeNames[$opname]" .
|
2000-04-28 09:39:27 +04:00
|
|
|
&get_print_body(@types) . ";\n" .
|
2000-04-21 04:04:14 +04:00
|
|
|
$init_tab . $tab . $tab . "return f;\n" .
|
|
|
|
$init_tab . $tab . "}\n");
|
2000-04-28 06:33:36 +04:00
|
|
|
|
2000-04-28 17:17:35 +04:00
|
|
|
my $printops_body = &get_printops_body(@types);
|
2000-04-28 19:32:54 +04:00
|
|
|
my $printops_decl = "virtual Formatter& printOperands(Formatter& f, ";
|
|
|
|
$printops_decl .= ($printops_body ne "" ?
|
|
|
|
"const JSValues& registers" :
|
|
|
|
"const JSValues& /*registers*/");
|
|
|
|
$printops_decl .= ") {\n";
|
2000-04-28 17:17:35 +04:00
|
|
|
|
2000-04-28 09:39:27 +04:00
|
|
|
$class_decs .= ($init_tab . $tab .
|
2000-04-28 19:32:54 +04:00
|
|
|
$printops_decl .
|
|
|
|
$printops_body .
|
|
|
|
$init_tab . $tab . $tab . "return f;\n" .
|
|
|
|
$init_tab . $tab . "}\n");
|
2000-04-28 06:33:36 +04:00
|
|
|
|
2000-04-21 04:04:14 +04:00
|
|
|
} else {
|
|
|
|
$class_decs .= $init_tab . $tab .
|
2000-04-28 09:39:27 +04:00
|
|
|
"/* print() and printOperands() inherited from $super */\n";
|
2000-04-21 04:04:14 +04:00
|
|
|
}
|
|
|
|
|
|
|
|
$class_decs .= $init_tab . "};\n\n";
|
2000-04-18 04:22:51 +04:00
|
|
|
}
|
|
|
|
|
|
|
|
sub spew {
|
2000-04-25 01:43:49 +04:00
|
|
|
# print the info in $enum_decs, @name_aray, and $class_decs to stdout.
|
2000-04-18 05:19:12 +04:00
|
|
|
my $opname;
|
|
|
|
|
2000-04-18 04:22:51 +04:00
|
|
|
print $tab . "enum ICodeOp {\n$enum_decs$tab};\n\n";
|
2000-04-18 05:19:12 +04:00
|
|
|
print $tab . "static char *opcodeNames[] = {\n";
|
|
|
|
|
|
|
|
for $opname (@name_array) {
|
|
|
|
print "$tab$tab\"$opname";
|
|
|
|
for (0 .. $opcode_maxlen - length($opname) - 1) {
|
|
|
|
print " ";
|
|
|
|
}
|
|
|
|
print "\",\n"
|
|
|
|
}
|
|
|
|
print "$tab};\n\n";
|
2000-04-18 04:22:51 +04:00
|
|
|
print $class_decs;
|
|
|
|
}
|
|
|
|
|
|
|
|
sub get_classname {
|
2000-04-25 01:43:49 +04:00
|
|
|
# munge an OPCODE_MNEMONIC into a ClassName
|
2000-04-18 04:22:51 +04:00
|
|
|
my ($enum_name) = @_;
|
|
|
|
my @words = split ("_", $enum_name);
|
|
|
|
my $cname = "";
|
2000-05-06 01:36:36 +04:00
|
|
|
my $i = 0;
|
2000-04-18 04:22:51 +04:00
|
|
|
my $word;
|
|
|
|
|
|
|
|
for $word (@words) {
|
2000-05-06 01:36:36 +04:00
|
|
|
if ((length($word) == 2) && ($i != 0)) {
|
2000-04-18 04:22:51 +04:00
|
|
|
$cname .= uc($word);
|
|
|
|
} else {
|
|
|
|
$cname .= uc(substr($word, 0, 1)) . lc(substr($word, 1));
|
|
|
|
}
|
2000-05-06 01:36:36 +04:00
|
|
|
$i++;
|
2000-04-18 04:22:51 +04:00
|
|
|
}
|
|
|
|
|
|
|
|
return $cname;
|
|
|
|
}
|
|
|
|
|
|
|
|
sub get_paramlists {
|
2000-04-25 01:43:49 +04:00
|
|
|
# parse the params entry (passed into @types) into various parameter lists
|
|
|
|
# used in the class declaration
|
2000-04-18 04:22:51 +04:00
|
|
|
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 = "";
|
2000-04-21 04:04:14 +04:00
|
|
|
$member = "mOp$op";
|
2000-04-18 04:22:51 +04:00
|
|
|
|
2000-04-21 04:04:14 +04:00
|
|
|
push (@dec, "$type aOp$op" . "$default");
|
|
|
|
push (@call, "aOp$op");
|
2000-04-18 04:22:51 +04:00
|
|
|
push (@template, $type);
|
2000-04-18 11:04:24 +04:00
|
|
|
$op++;
|
|
|
|
}
|
|
|
|
|
|
|
|
return (join (", ", @dec), join (", ", @call), join (", ", @template));
|
|
|
|
}
|
|
|
|
|
2000-04-28 06:20:23 +04:00
|
|
|
sub get_print_body {
|
2000-04-25 01:43:49 +04:00
|
|
|
# generate the body of the print() function
|
2000-04-18 11:04:24 +04:00
|
|
|
my (@types) = @_;
|
|
|
|
my $type;
|
|
|
|
my @oplist;
|
|
|
|
my $op = 1;
|
2000-04-19 01:51:45 +04:00
|
|
|
my $in = $init_tab . $tab . $tab;
|
2000-04-18 11:04:24 +04:00
|
|
|
|
|
|
|
for $type (@types) {
|
|
|
|
|
2000-04-18 04:22:51 +04:00
|
|
|
if ($type eq "Register") {
|
2000-04-21 04:04:14 +04:00
|
|
|
push (@oplist, "\"R\" << mOp$op");
|
2000-04-18 04:22:51 +04:00
|
|
|
} elsif ($type eq "Label*") {
|
2000-04-21 04:04:14 +04:00
|
|
|
push (@oplist, "\"Offset \" << mOp$op->mOffset");
|
2000-05-09 09:38:48 +04:00
|
|
|
} elsif ($type =~ /String/) {
|
2000-04-21 04:04:14 +04:00
|
|
|
push (@oplist, "\"'\" << *mOp$op << \"'\"");
|
2000-04-18 04:22:51 +04:00
|
|
|
} else {
|
2000-04-21 04:04:14 +04:00
|
|
|
push (@oplist, "mOp$op");
|
2000-04-18 04:22:51 +04:00
|
|
|
}
|
2000-04-18 11:04:24 +04:00
|
|
|
|
2000-04-18 04:22:51 +04:00
|
|
|
$op++;
|
|
|
|
}
|
|
|
|
|
2000-04-21 04:04:14 +04:00
|
|
|
my $rv = join (" << \", \" << ", @oplist);
|
2000-04-18 11:04:24 +04:00
|
|
|
if ($rv ne "") {
|
2000-04-21 04:04:14 +04:00
|
|
|
$rv = " << \"\\t\" << " . $rv;
|
2000-04-18 11:04:24 +04:00
|
|
|
}
|
2000-04-28 09:39:27 +04:00
|
|
|
|
|
|
|
return $rv;
|
2000-04-18 04:22:51 +04:00
|
|
|
}
|
2000-04-28 06:20:23 +04:00
|
|
|
|
2000-04-28 09:39:27 +04:00
|
|
|
sub get_printops_body {
|
2000-04-28 19:32:54 +04:00
|
|
|
# generate the body of the printOperands() function
|
2000-04-28 09:39:27 +04:00
|
|
|
my (@types) = @_;
|
|
|
|
my $type;
|
|
|
|
my @oplist;
|
|
|
|
my $op = 1;
|
|
|
|
my $in = $init_tab . $tab . $tab;
|
2000-04-28 06:20:23 +04:00
|
|
|
|
2000-04-28 09:39:27 +04:00
|
|
|
for $type (@types) {
|
|
|
|
|
|
|
|
if ($type eq "Register") {
|
2000-04-28 17:43:49 +04:00
|
|
|
push (@oplist, "\"R\" << mOp$op << '=' << registers[mOp$op]");
|
2000-04-28 09:39:27 +04:00
|
|
|
} elsif ($type eq "RegisterList") {
|
2000-04-28 17:17:35 +04:00
|
|
|
push (@oplist, "ArgList(mOp$op, registers)");
|
2000-04-28 09:39:27 +04:00
|
|
|
}
|
|
|
|
|
|
|
|
$op++;
|
|
|
|
}
|
|
|
|
|
|
|
|
my $rv = join (" << \", \" << ", @oplist);
|
|
|
|
if ($rv ne "") {
|
|
|
|
$rv = $init_tab . $tab . $tab . "f << " . $rv . ";\n";
|
|
|
|
}
|
|
|
|
|
|
|
|
return $rv;
|
2000-04-28 06:20:23 +04:00
|
|
|
}
|