111 lines
2.3 KiB
OCaml
111 lines
2.3 KiB
OCaml
type machtype_component =
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Addr
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| Int
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| Float
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type machtype = machtype_component array
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let typ_void = ([||] : machtype)
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let typ_addr = [|Addr|]
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let typ_int = [|Int|]
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let typ_float = [|Float|]
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let size_component = function
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Addr -> Arch.size_addr
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| Int -> Arch.size_int
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| Float -> Arch.size_float
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let size_machtype mty =
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let size = ref 0 in
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for i = 0 to Array.length mty - 1 do
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size := !size + size_component mty.(i)
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done;
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!size
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type comparison =
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Ceq
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| Cne
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| Clt
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| Cle
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| Cgt
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| Cge
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let negate_comparison = function
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Ceq -> Cne | Cne -> Ceq
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| Clt -> Cge | Cle -> Cgt
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| Cgt -> Cle | Cge -> Clt
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let swap_comparison = function
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Ceq -> Ceq | Cne -> Cne
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| Clt -> Cgt | Cle -> Cge
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| Cgt -> Clt | Cge -> Cle
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type memory_chunk =
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Byte_unsigned
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| Byte_signed
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| Sixteen_unsigned
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| Sixteen_signed
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| Word
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type operation =
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Capply of machtype
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| Cextcall of string * machtype * bool
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| Cproj of int * int
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| Cload of machtype
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| Cloadchunk of memory_chunk
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| Calloc
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| Cstore
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| Cstorechunk of memory_chunk
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| Caddi | Csubi | Cmuli | Cdivi | Cmodi
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| Cand | Cor | Cxor | Clsl | Clsr | Casr
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| Ccmpi of comparison
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| Cadda | Csuba
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| Ccmpa of comparison
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| Caddf | Csubf | Cmulf | Cdivf
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| Cfloatofint | Cintoffloat
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| Ccmpf of comparison
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| Craise
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| Ccheckbound
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type expression =
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Cconst_int of int
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| Cconst_float of string
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| Cconst_symbol of string
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| Cconst_pointer of int
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| Cvar of Ident.t
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| Clet of Ident.t * expression * expression
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| Cassign of Ident.t * expression
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| Ctuple of expression list
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| Cop of operation * expression list
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| Csequence of expression * expression
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| Cifthenelse of expression * expression * expression
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| Cswitch of expression * int array * expression array
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| Cloop of expression
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| Ccatch of expression * expression
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| Cexit
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| Ctrywith of expression * Ident.t * expression
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type fundecl =
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{ fun_name: string;
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fun_args: (Ident.t * machtype) list;
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fun_body: expression;
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fun_fast: bool }
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type data_item =
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Cdefine_symbol of string
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| Cdefine_label of int
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| Cint8 of int
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| Cint16 of int
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| Cint of int
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| Cfloat of string
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| Csymbol_address of string
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| Clabel_address of int
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| Cstring of string
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| Cskip of int
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| Calign of int
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type phrase =
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Cfunction of fundecl
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| Cdata of data_item list
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