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Annotation of researchv10no/cmd/sml/src/mips/mipsglue.nw, revision 1.1

1.1     ! root        1: @ For the Mips, all comments are no-ops, so to get diagnostics in
        !             2: assembly mode we have to slip in and define a new comment function.
        !             3: Our life is further complicated by the fact that the stream on which
        !             4: comments are to be written is bound late, so we have to save up comments
        !             5: and then write them when asked to [[generate]].
        !             6: <<*>>=
        !             7: structure MipsAC : ASSEMBLER = struct
        !             8:     val diag_out = ref std_out
        !             9:     structure MCN = struct
        !            10:         open MipsCoder
        !            11:        structure M = struct
        !            12:            open M
        !            13:            fun comment s = output (!diag_out) s
        !            14:        end
        !            15:     end
        !            16:         
        !            17:     structure CM = MipsCM(MCN)
        !            18:        
        !            19:     structure Gen = CPScomp(CM)
        !            20:     fun generate (lexp, stream) = (
        !            21:         diag_out := stream;
        !            22:        Gen.compile lexp;
        !            23:        MipsCoder.codestats stream;
        !            24:        Emitters.address := 0;
        !            25:        MipsCoder.codegen (Emitters.MipsAsm stream);
        !            26:        ())
        !            27: end
        !            28: 
        !            29: <<*>>=
        !            30: structure MipsCodeStats : ASSEMBLER = struct
        !            31:     val diag_out = ref std_out
        !            32:     structure MCN = MipsCoder
        !            33:         
        !            34:     structure CM = MipsCM(MCN)
        !            35:        
        !            36:     structure Gen = CPScomp(CM)
        !            37:     fun generate (lexp, stream) = (
        !            38:        Gen.compile lexp;
        !            39:        MipsCoder.codestats stream;
        !            40:        ())
        !            41: end
        !            42: 
        !            43: @ Mips machines come in two byte-orders, so we need two of
        !            44: every machinelike thing.
        !            45: <<*>>=
        !            46: structure MipsMCBig : CODEGENERATOR = struct
        !            47:     structure CM = MipsCM(MipsCoder)
        !            48:     structure Gen = CPScomp(CM)
        !            49:  
        !            50:     fun generate lexp = (
        !            51:        Gen.compile lexp;
        !            52:        MipsCoder.codegen (Emitters.BigEndian);
        !            53:        Emitters.emitted_string ()
        !            54:        )
        !            55: end
        !            56: 
        !            57: structure MipsMCLittle : CODEGENERATOR = struct
        !            58:     structure CM = MipsCM(MipsCoder)
        !            59:     structure Gen = CPScomp(CM)
        !            60: fun diag (s : string) f x =
        !            61:        f x handle e =>
        !            62:                (print "?exception "; print (System.exn_name e);
        !            63:                 print " in mipsglue."; print s; print "\n";
        !            64:                 raise e)
        !            65:  
        !            66:     fun generate lexp = (
        !            67:        diag "Gen.compile" Gen.compile lexp;
        !            68:        diag "MipsCoder.codegen" MipsCoder.codegen (Emitters.LittleEndian);
        !            69:        diag "Emitters.emitted_string" Emitters.emitted_string ()
        !            70:        )
        !            71: end
        !            72: 
        !            73: 
        !            74: structure CompMipsLittle = Batch(structure M=MipsMCLittle and A=MipsAC)
        !            75: structure IntMipsLittle = IntShare(MipsMCLittle)
        !            76: 
        !            77: structure CompMipsBig = Batch(structure M=MipsMCBig and A=MipsAC)
        !            78: structure IntMipsBig = IntShare(MipsMCBig)
        !            79: 
        !            80: structure CompMipsStats = Batch(structure M=MipsMCLittle and A=MipsCodeStats)

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