factor/library/compiler/compiler.factor

! Copyright (C) 2004, 2005 Slava Pestov.
IN: compiler
USING: compiler-backend compiler-frontend errors inference io
kernel lists math namespaces prettyprint sequences words ;

: supported-cpu? ( -- ? )
    cpu "unknown" = not ;

GENERIC: (compile) ( word -- )

M: word (compile) drop ;

M: compound (compile) ( word -- )
    #! Should be called inside the with-compiler scope.
    "Compiling " write dup .
    dup word-def dataflow optimize linearize simplify generate ;

: precompile ( word -- )
    #! Print linear IR of word.
    [
        word-def dataflow optimize linearize simplify [ . ] each
    ] with-scope ;

: compile-postponed ( -- )
    compile-words get [
        uncons compile-words set (compile) compile-postponed
    ] when* ;

: compile ( word -- )
    [ postpone-word compile-postponed ] with-compiler ;

: compiled ( -- )
    #! Compile the most recently defined word.
    "compile" get [ word compile ] when ; parsing

: try-compile ( word -- )
    [ compile ] [ error. ] catch ;

: compile-all ( -- ) [ try-compile ] each-word ;

: recompile ( word -- )
    dup update-xt compile ;

: compile-1 ( quot -- )
    #! Compute and call a quotation.
    "compile" get [
        gensym [ swap define-compound ] keep dup compile execute
    ] [
        call
    ] ifte ;