forked from GitHub/gf-core
changed names of resource-1.3; added a note on homepage on release
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@@ -1,93 +0,0 @@
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--# -path=.:../../lib/prelude
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concrete ImperJVM of Imper = open ResImper in {
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flags lexer=codevars ; unlexer=code ; startcat=Stm ;
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lincat
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Rec = {s,s2,s3 : Str} ; -- code, storage for locals, continuation
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Typ = {s : Str ; t : TypIdent} ;
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Stm = Instr ;
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lin
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Empty = ss [] ;
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FunctNil val stm cont = ss (
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".method" ++ "public" ++ "static" ++ cont.$0 ++ paren [] ++ val.s ++ ";" ++
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".limit" ++ "locals" ++ stm.s2 ++ ";" ++
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".limit" ++ "stack" ++ "1000" ++ ";" ++
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stm.s ++
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".end" ++ "method" ++ ";" ++ ";" ++
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cont.s
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) ;
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Funct args val rec = ss (
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".method" ++ "public" ++ "static" ++ rec.$0 ++ paren args.s ++ val.s ++ ";" ++
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".limit" ++ "locals" ++ rec.s2 ++ ";" ++
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".limit" ++ "stack" ++ "1000" ++ ";" ++
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rec.s ++
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".end" ++ "method" ++ ";" ++ ";" ++
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rec.s3
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) ;
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RecOne typ stm prg = instrb typ.s (
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["alloc"] ++ typ.s ++ stm.$0 ++ stm.s2) {s = stm.s ; s2 = stm.s2 ; s3 = prg.s};
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RecCons typ _ body prg = instrb typ.s (
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["alloc"] ++ typ.s ++ body.$0 ++ body.s2)
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{s = body.s ; s2 = body.s2 ; s3 = prg.s};
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Decl typ cont = instrb typ.s (
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["alloc"] ++ typ.s ++ cont.$0
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) cont ;
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Assign t x exp = instrc (exp.s ++ typInstr "store" t.t ++ x.s) ;
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While exp loop =
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let
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test = "TEST_" ++ loop.s2 ;
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end = "END_" ++ loop.s2
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in instrl (
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"label" ++ test ++ ";" ++
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exp.s ++
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"ifeq" ++ end ++ ";" ++
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loop.s ++
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"goto" ++ test ++ ";" ++
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"label" ++ end
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) ;
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IfElse exp t f =
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let
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false = "FALSE_" ++ t.s2 ++ f.s2 ;
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true = "TRUE_" ++ t.s2 ++ f.s2
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in instrl (
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exp.s ++
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"ifeq" ++ false ++ ";" ++
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t.s ++
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"goto" ++ true ++ ";" ++
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"label" ++ false ++ ";" ++
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f.s ++
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"label" ++ true
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) ;
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Block stm = instrc stm.s ;
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Printf t e = instrc (e.s ++ "runtime" ++ typInstr "printf" t.t ++ paren (t.s) ++ "V") ;
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Return t exp = instr (exp.s ++ typInstr "return" t.t) ;
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Returnv = instr "return" ;
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End = ss [] ** {s2,s3 = []} ;
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EVar t x = instr (typInstr "load" t.t ++ x.s) ;
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EInt n = instr ("ldc" ++ n.s) ;
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EFloat a b = instr ("ldc" ++ a.s ++ "." ++ b.s) ;
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EAdd t _ = binopt "add" t.t ;
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ESub t _ = binopt "sub" t.t ;
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EMul t _ = binopt "mul" t.t ;
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ELt t _ = binop ("runtime" ++ typInstr "lt" t.t ++ paren (t.s ++ t.s) ++ "I") ;
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EAppNil val f = instr (
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"static" ++ f.s ++ paren [] ++ val.s
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) ;
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EApp args val f exps = instr (
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exps.s ++
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"static" ++ f.s ++ paren args.s ++ val.s
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) ;
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TInt = {s = "I" ; t = TIInt} ;
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TFloat = {s = "F" ; t = TIFloat} ;
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NilTyp = ss [] ;
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ConsTyp = cc2 ;
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OneExp _ e = e ;
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ConsExp _ _ = cc2 ;
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}
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