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1005 lines
45 KiB
Scheme
1005 lines
45 KiB
Scheme
;;; mkheader.ss
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;;; Copyright 1984-2017 Cisco Systems, Inc.
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;;;
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;;; Licensed under the Apache License, Version 2.0 (the "License");
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;;; you may not use this file except in compliance with the License.
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;;; You may obtain a copy of the License at
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;;;
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;;; http://www.apache.org/licenses/LICENSE-2.0
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;;;
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;;; Unless required by applicable law or agreed to in writing, software
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;;; distributed under the License is distributed on an "AS IS" BASIS,
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;;; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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;;; See the License for the specific language governing permissions and
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;;; limitations under the License.
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;;; requires cmacros.ss
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(disable-unbound-warning
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mkscheme.h
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mkequates.h
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)
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(define mkscheme.h)
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(define mkequates.h)
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(let ()
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(define op)
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(define-syntax pr
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(syntax-rules ()
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((_ fmt arg ...) (fprintf op fmt arg ...))))
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(define nl
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(lambda ()
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(newline op)))
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(define-syntax $
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(syntax-rules ()
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((_ x) (constant x))))
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(define-syntax comment
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(syntax-rules ()
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((_ fmt arg ...) (pr "/* ~a */~%" (format fmt arg ...)))))
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(define sanitize
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(lambda (x)
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(list->string
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(fold-right (lambda (x rest)
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(case x
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[(#\-) (cons #\_ rest)]
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[(#\?) (cons #\p rest)]
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[(#\>) rest]
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[(#\*) (cons #\s rest)]
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[else (cons x rest)]))
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'()
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(string->list (symbol->string x))))))
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(define sanitize-type
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(lambda (x)
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(list->string
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(map (lambda (x)
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(case x
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[(#\-) #\_]
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[else x]))
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(string->list (symbol->string x))))))
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(define def
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(case-lambda
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[(lhs rhs) (pr "#define ~a ~a~%" lhs rhs)]
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[(name args rhs) (pr "#define ~a~a ~a~%" name args rhs)]))
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(define export
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(lambda (tresult name targs)
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(pr "EXPORT ~a ~a~a;~%" tresult name targs)))
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(define &ref
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(lambda (cast x disp)
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(format "(~a((uptr)(~a)~:[+~;-~]~d))" cast x (fx< disp 0) (abs disp))))
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(define ref
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(lambda (cast x disp)
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(format "(*~a)" (&ref cast x disp))))
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(define defref-help
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(lambda (ref name struct field)
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(cond
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[(assq field (getprop struct '*fields* '())) =>
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(lambda (a)
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(apply
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(lambda (field type disp len)
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(if len
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(def (format "~s(x,i)" name)
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(format (if (eq? ref &ref) "(~a+i)" "(~a[i])")
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(&ref (format "(~a *)" (sanitize-type type)) "x" disp)))
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(def (format "~s(x)" name)
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(ref (format "(~a *)" (sanitize-type type)) "x" disp))))
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a))]
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[else ($oops 'defref-help "undefined field ~s-~s" struct field)])))
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(define defset-help
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(lambda (name struct field)
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(cond
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[(assq field (getprop struct '*fields* '())) =>
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(lambda (a)
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(apply
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(lambda (field type disp len)
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(unless (eq? type 'ptr)
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($oops 'defset-help "non-ptr type ~s" type))
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(if len
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(def (format "~s(x,i,y)" name)
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(format "DIRTYSET((~a+i),(y))"
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(&ref "(ptr *)" "x" disp)))
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(def (format "~s(x,y)" name)
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(format "DIRTYSET(~a,(y))"
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(&ref "(ptr *)" "x" disp)))))
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a))]
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[else ($oops 'defset-help "undefined field ~s-~s" struct field)])))
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(define-syntax defref
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(syntax-rules ()
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[(_ name struct field)
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(defref-help ref 'name 'struct 'field)]))
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(define-syntax definit ; presently same as defref
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(syntax-rules ()
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[(_ name struct field)
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(defref name struct field)]))
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(define-syntax defset
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(syntax-rules ()
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[(_ name struct field)
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(defset-help 'name 'struct 'field)]))
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(define access-help
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(lambda (arg idx struct field)
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(cond
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[(assq field (getprop struct '*fields* '())) =>
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(lambda (a)
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(apply
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(lambda (field type disp len)
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(if (not idx)
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(if (not len)
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(ref (format "(~a *)" (sanitize-type type)) arg disp)
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($oops 'access "no idx provided for array field ~s-~s" struct field))
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(if len
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(format "(~a[~a])" (&ref (format "(~a *)" (sanitize-type type)) arg disp) idx)
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($oops 'access "no idx provided for array field ~s-~s" struct field))))
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a))]
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[else ($oops 'access "undefined field ~s-~s" struct field)])))
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(define-syntax access
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(syntax-rules ()
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[(_ arg struct field)
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(access-help arg #f 'struct 'field)]
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[(_ arg idx struct field)
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(access-help arg idx 'struct 'field)]))
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(define typep
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(lambda (x mask tag)
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(if (= mask (constant byte-constant-mask))
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(format "((uptr)(~a)==0x~x)" x tag)
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(format "(((uptr)(~a)&0x~x)==0x~x)" x mask tag))))
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(define deftypep
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(lambda (name mask tag)
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(def name "(x)" (typep "x" mask tag))))
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(define deftotypep
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(let ((type-disp (- ($ typemod) ($ type-typed-object))))
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(lambda (name mask tag)
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(def name "(x)"
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(format "(~a &&\\~% ~a)"
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(typep "x" ($ mask-typed-object) ($ type-typed-object))
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(typep (ref "(ptr *)" "x" type-disp) mask tag))))))
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(define scheme-version ; adapted from 7.ss
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(let ([n (constant scheme-version)])
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(if (= (logand n 255) 0)
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(format "~d.~d"
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(ash n -16)
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(logand (ash n -8) 255))
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(format "~d.~d.~d"
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(ash n -16)
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(logand (ash n -8) 255)
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(logand n 255)))))
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(set-who! mkscheme.h
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(lambda (ofn target-machine)
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(fluid-let ([op (open-output-file ofn 'replace)])
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(comment "scheme.h for Chez Scheme Version ~a (~a)" scheme-version target-machine)
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(nl)
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(comment "Do not edit this file. It is automatically generated and")
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(comment "specifically tailored to the version of Chez Scheme named")
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(comment "above. Always be certain that you have the correct scheme.h")
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(comment "for the version of Chez Scheme you are using.")
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(nl)
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(comment "Warning: Some macros may evaluate arguments more than once.")
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(nl) (comment "Specify declaration of exports.")
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(pr "#ifdef _WIN32~%")
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(pr "# if __cplusplus~%")
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(pr "# ifdef SCHEME_IMPORT~%")
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(pr "# define EXPORT extern \"C\" __declspec (dllimport)~%")
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(pr "# elif SCHEME_STATIC~%")
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(pr "# define EXPORT extern \"C\"~%")
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(pr "# else~%")
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(pr "# define EXPORT extern \"C\" __declspec (dllexport)~%")
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(pr "# endif~%")
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(pr "# else~%")
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(pr "# ifdef SCHEME_IMPORT~%")
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(pr "# define EXPORT extern __declspec (dllimport)~%")
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(pr "# elif SCHEME_STATIC~%")
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(pr "# define EXPORT extern~%")
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(pr "# else~%")
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(pr "# define EXPORT extern __declspec (dllexport)~%")
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(pr "# endif~%")
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(pr "# endif~%")
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(pr "#else~%")
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(pr "# if __cplusplus~%")
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(pr "# define EXPORT extern \"C\"~%")
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(pr "# else~%")
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(pr "# define EXPORT extern~%")
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(pr "# endif~%")
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(pr "#endif~%")
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(nl) (comment "Chez Scheme Version and machine type")
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(pr "#define VERSION \"~a\"~%" scheme-version)
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(pr "#define MACHINE_TYPE \"~a\"~%" target-machine)
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(nl)
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(comment "All Scheme objects are of type ptr. Type iptr and")
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(comment "uptr are signed and unsigned ints of the same size")
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(comment "as a ptr")
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(pr "typedef ~a ptr;~%" (constant typedef-ptr))
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(pr "typedef ~a iptr;~%" (constant typedef-iptr))
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(pr "typedef ~a uptr;~%" (constant typedef-uptr))
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(nl)
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(comment "String elements are 32-bit tagged char objects")
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(pr "typedef ~a string_char;~%" (constant typedef-string-char))
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(nl)
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(comment "Bytevector elements are 8-bit unsigned \"octets\"")
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(pr "typedef unsigned char octet;~%")
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(nl) (comment "Type predicates")
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(deftypep "Sfixnump" ($ mask-fixnum) ($ type-fixnum))
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(deftypep "Scharp" ($ mask-char) ($ type-char))
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(deftypep "Snullp" ($ mask-nil) ($ snil))
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(deftypep "Seof_objectp" ($ mask-eof) ($ seof))
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(deftypep "Sbwp_objectp" ($ mask-bwp) ($ sbwp))
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(deftypep "Sbooleanp" ($ mask-boolean) ($ type-boolean))
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(deftypep "Spairp" ($ mask-pair) ($ type-pair))
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(deftypep "Ssymbolp" ($ mask-symbol) ($ type-symbol))
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(deftypep "Sprocedurep" ($ mask-closure) ($ type-closure))
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(deftypep "Sflonump" ($ mask-flonum) ($ type-flonum))
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(deftotypep "Svectorp" ($ mask-vector) ($ type-vector))
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(deftotypep "Sfxvectorp" ($ mask-fxvector) ($ type-fxvector))
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(deftotypep "Sbytevectorp" ($ mask-bytevector) ($ type-bytevector))
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(deftotypep "Sstringp" ($ mask-string) ($ type-string))
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(deftotypep "Sbignump" ($ mask-bignum) ($ type-bignum))
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(deftotypep "Sboxp" ($ mask-box) ($ type-box))
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(deftotypep "Sinexactnump" ($ mask-inexactnum) ($ type-inexactnum))
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(deftotypep "Sexactnump" ($ mask-exactnum) ($ type-exactnum))
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(deftotypep "Sratnump" ($ mask-ratnum) ($ type-ratnum))
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(deftotypep "Sinputportp" ($ mask-input-port) ($ type-input-port))
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(deftotypep "Soutputportp" ($ mask-output-port) ($ type-output-port))
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(deftotypep "Srecordp" ($ mask-record) ($ type-record))
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(nl) (comment "Accessors")
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(def "Sfixnum_value(x)" (format "((iptr)(x)/~d)" ($ fixnum-factor)))
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(def "Schar_value(x)" (format "((string_char)((uptr)(x)>>~d))" ($ char-data-offset)))
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(def "Sboolean_value(x)" "((x) != Sfalse)")
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(defref Scar pair car)
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(defref Scdr pair cdr)
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(defref Sflonum_value flonum data)
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(def "Svector_length(x)"
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(format "((iptr)((uptr)~a>>~d))"
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(access "x" vector type)
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($ vector-length-offset)))
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(defref Svector_ref vector data)
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(def "Sfxvector_length(x)"
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(format "((iptr)((uptr)~a>>~d))"
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(access "x" fxvector type)
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($ fxvector-length-offset)))
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(defref Sfxvector_ref fxvector data)
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(def "Sbytevector_length(x)"
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(format "((iptr)((uptr)~a>>~d))"
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(access "x" bytevector type)
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($ bytevector-length-offset)))
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(defref Sbytevector_u8_ref bytevector data)
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(comment "Warning: Sbytevector_data(x) returns a pointer into x.")
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(def "Sbytevector_data(x)" "&Sbytevector_u8_ref(x,0)")
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(def "Sstring_length(x)"
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(format "((iptr)((uptr)~a>>~d))"
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(access "x" string type)
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($ string-length-offset)))
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(def "Sstring_ref(x,i)"
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(format "Schar_value~a" (access "x" "i" string data)))
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(defref Sunbox box ref)
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(export "iptr" "Sinteger_value" "(ptr)")
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(def "Sunsigned_value(x)" "(uptr)Sinteger_value(x)")
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(export (constant typedef-i32) "Sinteger32_value" "(ptr)")
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(def "Sunsigned32_value(x)" (format "(~a)Sinteger32_value(x)" (constant typedef-u32)))
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(export (constant typedef-i64) "Sinteger64_value" "(ptr)")
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(def "Sunsigned64_value(x)" (format "(~a)Sinteger64_value(x)" (constant typedef-u64)))
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(nl) (comment "Mutators")
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(export "void" "Sset_box" "(ptr, ptr)")
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(export "void" "Sset_car" "(ptr, ptr)")
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(export "void" "Sset_cdr" "(ptr, ptr)")
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(def "Sstring_set(x,i,c)"
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(format "((void)(~a = (string_char)(uptr)Schar(c)))"
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(access "x" "i" string data)))
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(def "Sfxvector_set(x,i,n)" "((void)(Sfxvector_ref(x,i) = (n)))")
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(def "Sbytevector_u8_set(x,i,n)" "((void)(Sbytevector_u8_ref(x,i) = (n)))")
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(export "void" "Svector_set" "(ptr, iptr, ptr)")
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(nl) (comment "Constructors")
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(def "Sfixnum(x)" (format "((ptr)(uptr)((x)*~d))" ($ fixnum-factor)))
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(def "Schar(x)"
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(format "((ptr)(uptr)((x)<<~d|0x~x))"
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($ char-data-offset)
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($ type-char)))
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(def "Snil" (format "((ptr)0x~x)" ($ snil)))
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(def "Strue" (format "((ptr)0x~x)" ($ strue)))
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(def "Sfalse" (format "((ptr)0x~x)" ($ sfalse)))
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(def "Sboolean(x)" "((x)?Strue:Sfalse)")
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(def "Sbwp_object" (format "((ptr)0x~x)" ($ sbwp)))
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(def "Seof_object" (format "((ptr)0x~x)" ($ seof)))
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(def "Svoid" (format "((ptr)0x~x)" ($ svoid)))
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(export "ptr" "Scons" "(ptr, ptr)")
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(export "ptr" "Sstring_to_symbol" "(const char *)")
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(export "ptr" "Ssymbol_to_string" "(ptr)")
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(export "ptr" "Sflonum" "(double)")
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(export "ptr" "Smake_vector" "(iptr, ptr)")
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(export "ptr" "Smake_fxvector" "(iptr, ptr)")
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(export "ptr" "Smake_bytevector" "(iptr, int)")
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(export "ptr" "Smake_string" "(iptr, int)")
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(export "ptr" "Smake_uninitialized_string" "(iptr)")
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(export "ptr" "Sstring" "(const char *)")
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(export "ptr" "Sstring_of_length" "(const char *, iptr)")
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(export "ptr" "Sstring_utf8" "(const char*, iptr)")
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(export "ptr" "Sbox" "(ptr)")
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(export "ptr" "Sinteger" "(iptr)")
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(export "ptr" "Sunsigned" "(uptr)")
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(export "ptr" "Sinteger32" (format "(~a)" (constant typedef-i32)))
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(export "ptr" "Sunsigned32" (format "(~a)" (constant typedef-u32)))
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(export "ptr" "Sinteger64" (format "(~a)" (constant typedef-i64)))
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(export "ptr" "Sunsigned64" (format "(~a)" (constant typedef-u64)))
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(nl) (comment "Miscellaneous")
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(export "ptr" "Stop_level_value" "(ptr)")
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(export "void" "Sset_top_level_value" "(ptr, ptr)")
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(export "void" "Slock_object" "(ptr)")
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(export "void" "Sunlock_object" "(ptr)")
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(export "int" "Slocked_objectp" "(ptr)")
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(export "void" "Sforeign_symbol" "(const char *, void *)")
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(export "void" "Sregister_symbol" "(const char *, void *)")
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(nl) (comment "Support for calls into Scheme")
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(export "ptr" "Scall0" "(ptr)")
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(export "ptr" "Scall1" "(ptr, ptr)")
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(export "ptr" "Scall2" "(ptr, ptr, ptr)")
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(export "ptr" "Scall3" "(ptr, ptr, ptr, ptr)")
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(export "void" "Sinitframe" "(iptr)")
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(export "void" "Sput_arg" "(iptr, ptr)")
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(export "ptr" "Scall" "(ptr, iptr)")
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(comment "Warning: Sforeign_callable_entry_point(x) returns a pointer into x.")
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(def "Sforeign_callable_entry_point(x)"
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(&ref "(void (*)(void))" "x" ($ code-data-disp)))
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(def "Sforeign_callable_code_object(x)"
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(&ref "(ptr)" "x" (- ($ code-data-disp))))
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(nl) (comment "Customization support.")
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(export "const char *" "Skernel_version" "(void)")
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(export "void" "Sretain_static_relocation" "(void)")
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(export "void" "Sset_verbose" "(int)")
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(export "void" "Sscheme_init" "(void (*)(void))")
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(export "void" "Sregister_boot_file" "(const char *)")
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(export "void" "Sregister_boot_file_fd" "(const char *, int fd)")
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(export "void" "Sregister_heap_file" "(const char *)")
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(export "void" "Scompact_heap" "(void)")
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(export "void" "Ssave_heap" "(const char *, int)")
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(export "void" "Sbuild_heap" "(const char *, void (*)(void))")
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(export "void" "Senable_expeditor" "(const char *)")
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(export "int" "Sscheme_start" "(int, const char *[])")
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(export "int" "Sscheme_script" "(const char *, int, const char *[])")
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(export "int" "Sscheme_program" "(const char *, int, const char *[])")
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(export "void" "Sscheme_deinit" "(void)")
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(when-feature pthreads
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(nl) (comment "Thread support.")
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(export "int" "Sactivate_thread" "(void)")
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(export "void" "Sdeactivate_thread" "(void)")
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(export "int" "Sdestroy_thread" "(void)")
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)
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(when-feature windows
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(nl) (comment "Windows support.")
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(pr "#include <wchar.h>~%")
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(export "char *" "Sgetenv" "(const char *)")
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(export "wchar_t *" "Sutf8_to_wide" "(const char *)")
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(export "char *" "Swide_to_utf8" "(const wchar_t *)")
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)
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(nl) (comment "Features.")
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(for-each
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(lambda (x) (pr "#define FEATURE_~@:(~a~)~%" (sanitize x)))
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(feature-list))
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(nl) (comment "Locking macros.")
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(constant-case architecture
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[(x86)
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(if-feature windows
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;; Using compiler intrinsics on 32-bit Windows because the inline
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;; assembler does not support anonymous labels, and using named
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;; labels leads to label name conflicts if SPINLOCK is used more
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;; than once in the same C procedure.
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(begin
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(pr "#define INITLOCK(addr) (*((long *) addr) = 0)~%")
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|
|
|
(nl)
|
|
(pr "#define SPINLOCK(addr) \\~%")
|
|
(pr "{ \\~%")
|
|
(pr " while (_InterlockedExchange(addr, 1) != 0) { \\~%")
|
|
(pr " while(*((long *) addr) != 0); \\~%")
|
|
(pr " } \\~%")
|
|
(pr "} while(0) ~%")
|
|
|
|
(nl)
|
|
(pr "#define UNLOCK(addr) (*((long *) addr) = 0)~%")
|
|
|
|
(nl)
|
|
(pr "#define LOCKED_INCR(addr, res) (res = (-1 == _InterlockedExchangeAdd(addr, 1)))~%")
|
|
|
|
(nl)
|
|
(pr "#define LOCKED_DECR(addr, res) (res = (1 == _InterlockedExchangeAdd(addr, -1)))~%"))
|
|
(begin
|
|
(pr "#define INITLOCK(addr) \\~%")
|
|
(pr " __asm__ __volatile__ (\"movl $0, (%0)\"\\~%")
|
|
(pr " : \\~%")
|
|
(pr " : \"r\" (addr) \\~%")
|
|
(pr " : \"memory\")~%")
|
|
|
|
(nl)
|
|
(pr "#define SPINLOCK(addr) \\~%")
|
|
(pr " __asm__ __volatile__ (\"0:\\n\\t\"\\~%")
|
|
(pr " \"movl $1, %%eax\\n\\t\"\\~%")
|
|
(pr " \"xchgl (%0), %%eax\\n\\t\"\\~%")
|
|
(pr " \"cmpl $0, %%eax\\n\\t\"\\~%")
|
|
(pr " \"je 2f\\n\\t\"\\~%")
|
|
(pr " \"1:\\n\\t\"\\~%")
|
|
(pr " \"pause\\n\\t\"\\~%")
|
|
(pr " \"cmpl $0, (%0)\\n\\t\"\\~%")
|
|
(pr " \"je 0b\\n\\t\"\\~%")
|
|
(pr " \"jmp 1b\\n\\t\"\\~%")
|
|
(pr " \"2:\"\\~%")
|
|
(pr " : \\~%")
|
|
(pr " : \"r\" (addr) \\~%")
|
|
(pr " : \"eax\", \"flags\", \"memory\")~%")
|
|
|
|
(nl)
|
|
(pr "#define UNLOCK(addr) \\~%")
|
|
(pr " __asm__ __volatile__ (\"movl $0, (%0)\"\\~%")
|
|
(pr " : \\~%")
|
|
(pr " : \"r\" (addr) \\~%")
|
|
(pr " : \"memory\")~%")
|
|
|
|
(nl)
|
|
(pr "#define LOCKED_INCR(addr, ret) \\~%")
|
|
(pr " __asm__ __volatile__ (\"lock; incl (%1)\\n\\t\"\\~%")
|
|
(pr " \"sete %b0\\n\\t\"\\~%")
|
|
(pr " \"movzx %b0, %0\\n\\t\"\\~%")
|
|
(pr " : \"=q\" (ret) \\~%")
|
|
(pr " : \"r\" (addr) \\~%")
|
|
(pr " : \"flags\", \"memory\")~%")
|
|
|
|
(nl)
|
|
(pr "#define LOCKED_DECR(addr, ret) \\~%")
|
|
(pr " __asm__ __volatile__ (\"lock; decl (%1)\\n\\t\"\\~%")
|
|
(pr " \"sete %b0\\n\\t\"\\~%")
|
|
(pr " \"movzx %b0, %0\\n\\t\"\\~%")
|
|
(pr " : \"=q\" (ret) \\~%")
|
|
(pr " : \"r\" (addr) \\~%")
|
|
(pr " : \"flags\", \"memory\")~%")))]
|
|
[(x86_64)
|
|
(if-feature windows
|
|
;; Visual C for 64-bit Windows does not support inline assembler, so we are using
|
|
;; intrinsics here instead. At /O2, VC seems to produced assembly
|
|
;; code similar to our hand-code assembler.
|
|
;; Note that using the Acquire or Release version of these functions (or the
|
|
;; equivalent _acq or _rel versions of the intrinsics) produces calls to the
|
|
;; intrinsic rather than the inlined assembly produced by the intrinsics used here,
|
|
;; despite the documentation indicating the Acquire and Release vesions produce
|
|
;; better performing code.
|
|
(begin
|
|
(pr "#define INITLOCK(addr) (*((long long *) addr) = 0)~%")
|
|
|
|
(nl)
|
|
(pr "#define SPINLOCK(addr) \\~%")
|
|
(pr "{ \\~%")
|
|
(pr " while (_InterlockedExchange64(addr, 1) != 0) { \\~%")
|
|
(pr " while(*((long long *) addr) != 0); \\~%")
|
|
(pr " } \\~%")
|
|
(pr "} while(0) ~%")
|
|
|
|
(nl)
|
|
(pr "#define UNLOCK(addr) (*((long long *) addr) = 0)~%")
|
|
|
|
(nl)
|
|
(pr "#define LOCKED_INCR(addr, res) (res = (-1 == _InterlockedExchangeAdd64(addr, 1)))~%")
|
|
|
|
(nl)
|
|
(pr "#define LOCKED_DECR(addr, res) (res = (1 == _InterlockedExchangeAdd64(addr, -1)))~%"))
|
|
(begin
|
|
(pr "#define INITLOCK(addr) \\~%")
|
|
(pr " __asm__ __volatile__ (\"movq $0, (%0)\"\\~%")
|
|
(pr " : \\~%")
|
|
(pr " : \"r\" (addr) \\~%")
|
|
(pr " : \"memory\")~%")
|
|
|
|
(nl)
|
|
(pr "#define SPINLOCK(addr) \\~%")
|
|
(pr " __asm__ __volatile__ (\"0:\\n\\t\"\\~%")
|
|
(pr " \"movq $1, %%rax\\n\\t\"\\~%")
|
|
(pr " \"xchgq (%0), %%rax\\n\\t\"\\~%")
|
|
(pr " \"cmpq $0, %%rax\\n\\t\"\\~%")
|
|
(pr " \"je 2f\\n\\t\"\\~%")
|
|
(pr " \"1:\\n\\t\"\\~%")
|
|
(pr " \"pause\\n\\t\"\\~%")
|
|
(pr " \"cmpq $0, (%0)\\n\\t\"\\~%")
|
|
(pr " \"je 0b\\n\\t\"\\~%")
|
|
(pr " \"jmp 1b\\n\\t\"\\~%")
|
|
(pr " \"2:\"\\~%")
|
|
(pr " : \\~%")
|
|
(pr " : \"r\" (addr) \\~%")
|
|
(pr " : \"rax\", \"flags\", \"memory\")~%")
|
|
|
|
(nl)
|
|
(pr "#define UNLOCK(addr) \\~%")
|
|
(pr " __asm__ __volatile__ (\"movq $0, (%0)\"\\~%")
|
|
(pr " : \\~%")
|
|
(pr " : \"r\" (addr) \\~%")
|
|
(pr " :\"memory\")~%")
|
|
|
|
(nl)
|
|
(pr "#define LOCKED_INCR(addr, ret) \\~%")
|
|
(pr " __asm__ __volatile__ (\"lock; incq (%1)\\n\\t\"\\~%")
|
|
(pr " \"sete %b0\\n\\t\"\\~%")
|
|
(pr " \"movzx %b0, %0\\n\\t\"\\~%")
|
|
(pr " : \"=q\" (ret) \\~%")
|
|
(pr " : \"r\" (addr) \\~%")
|
|
(pr " : \"flags\", \"memory\")~%")
|
|
|
|
(nl)
|
|
(pr "#define LOCKED_DECR(addr, ret) \\~%")
|
|
(pr " __asm__ __volatile__ (\"lock; decq (%1)\\n\\t\"\\~%")
|
|
(pr " \"sete %b0\\n\\t\"\\~%")
|
|
(pr " \"movzx %b0, %0\\n\\t\"\\~%")
|
|
(pr " : \"=q\" (ret) \\~%")
|
|
(pr " : \"r\" (addr) \\~%")
|
|
(pr " : \"flags\", \"memory\")~%")))]
|
|
[(ppc32)
|
|
(pr "#define INITLOCK(addr) \\~%")
|
|
(pr " __asm__ __volatile__ (\"li %%r0, 0\\n\\t\"\\~%")
|
|
(pr " \"stw %%r0, 0(%0)\\n\\t\"\\~%")
|
|
(pr " : \\~%")
|
|
(pr " : \"b\" (addr)\\~%")
|
|
(pr " :\"memory\", \"r0\")~%")
|
|
|
|
(nl)
|
|
(pr "#define SPINLOCK(addr) \\~%")
|
|
(pr " __asm__ __volatile__ (\"0:\\n\\t\"\\~%") ; top:
|
|
(pr " \"lwarx %%r0, 0, %0\\n\\t\"\\~%") ; start lock acquisition
|
|
(pr " \"cmpwi %%r0, 0\\n\\t\"\\~%") ; see if someone already owns the lock
|
|
(pr " \"bne 1f\\n\\t\"\\~%") ; if so, go to our try_again loop
|
|
(pr " \"li %%r0, 1\\n\\t\"\\~%") ; attempt to store the value 1
|
|
(pr " \"stwcx. %%r0, 0, %0\\n\\t\"\\~%") ;
|
|
(pr " \"beq 2f\\n\\t\"\\~%") ; if we succeed, we own the lock
|
|
(pr " \"1:\\n\\t\"\\~%") ; again:
|
|
(pr " \"isync\\n\\t\"\\~%") ; sync things to pause the processor
|
|
(pr " \"lwz %%r0, 0(%0)\\n\\t\"\\~%") ; try a non-reserved load to see if we are likely to succeed
|
|
(pr " \"cmpwi %%r0, 0\\n\\t\"\\~%") ; if it is = 0, try to acquire at start
|
|
(pr " \"beq 0b\\n\\t\"\\~%") ;
|
|
(pr " \"b 1b\\n\\t\"\\~%") ; otherwise loop through the try again
|
|
(pr " \"2:\\n\\t\"\\~%") ; done:
|
|
(pr " : \\~%")
|
|
(pr " : \"b\" (addr)\\~%")
|
|
(pr " : \"cc\", \"memory\", \"r0\")~%")
|
|
|
|
(nl)
|
|
(pr "#define UNLOCK(addr) \\~%")
|
|
(pr " __asm__ __volatile__ (\"li %%r0, 0\\n\\t\"\\~%")
|
|
(pr " \"stw %%r0, 0(%0)\\n\\t\"\\~%")
|
|
(pr " : \\~%")
|
|
(pr " : \"b\" (addr)\\~%")
|
|
(pr " :\"memory\", \"r0\")~%")
|
|
|
|
(nl)
|
|
(pr "#define LOCKED_INCR(addr, ret) \\~%")
|
|
(pr " __asm__ __volatile__ (\"li %0, 0\\n\\t\"\\~%")
|
|
(pr " \"0:\\n\\t\"\\~%")
|
|
(pr " \"lwarx %%r12, 0, %1\\n\\t\"\\~%")
|
|
(pr " \"addi %%r12, %%r12, 1\\n\\t\"\\~%")
|
|
(pr " \"stwcx. %%r12, 0, %1\\n\\t\"\\~%")
|
|
(pr " \"bne 0b\\n\\t\"\\~%")
|
|
(pr " \"cmpwi %%r12, 0\\n\\t\"\\~%")
|
|
(pr " \"bne 1f\\n\\t\"\\~%")
|
|
(pr " \"li %0, 1\\n\\t\"\\~%")
|
|
(pr " \"1:\\n\\t\"\\~%")
|
|
(pr " : \"=&r\" (ret)\\~%")
|
|
(pr " : \"r\" (addr)\\~%")
|
|
(pr " : \"cc\", \"memory\", \"r12\")~%")
|
|
|
|
(nl)
|
|
(pr "#define LOCKED_DECR(addr, ret) \\~%")
|
|
(pr " __asm__ __volatile__ (\"li %0, 0\\n\\t\"\\~%")
|
|
(pr " \"0:\\n\\t\"\\~%")
|
|
(pr " \"lwarx %%r12, 0, %1\\n\\t\"\\~%")
|
|
(pr " \"addi %%r12, %%r12, -1\\n\\t\"\\~%")
|
|
(pr " \"stwcx. %%r12, 0, %1\\n\\t\"\\~%")
|
|
(pr " \"bne 0b\\n\\t\"\\~%")
|
|
(pr " \"cmpwi %%r12, 0\\n\\t\"\\~%")
|
|
(pr " \"bne 1f\\n\\t\"\\~%")
|
|
(pr " \"li %0, 1\\n\\t\"\\~%")
|
|
(pr " \"1:\\n\\t\"\\~%")
|
|
(pr " : \"=&r\" (ret)\\~%")
|
|
(pr " : \"r\" (addr)\\~%")
|
|
(pr " : \"cc\", \"memory\", \"r12\")~%")]
|
|
[(arm32)
|
|
(pr "#define INITLOCK(addr) \\~%")
|
|
(pr " __asm__ __volatile__ (\"mov r12, #0\\n\\t\"\\~%")
|
|
(pr " \"str r12, [%0, #0]\\n\\t\"\\~%")
|
|
(pr " : \\~%")
|
|
(pr " : \"r\" (addr)\\~%")
|
|
(pr " :\"memory\", \"r12\")~%")
|
|
|
|
(nl)
|
|
(pr "#define SPINLOCK(addr) \\~%")
|
|
(pr " __asm__ __volatile__ (\"0:\\n\\t\"\\~%")
|
|
(pr " \"ldrex r12, [%0, #0]\\n\\t\"\\~%")
|
|
(pr " \"cmp r12, #0\\n\\t\"\\~%")
|
|
(pr " \"bne 1f\\n\\t\"\\~%")
|
|
(pr " \"mov r12, #1\\n\\t\"\\~%")
|
|
(pr " \"strex r11, r12, [%0]\\n\\t\"\\~%")
|
|
(pr " \"cmp r11, #0\\n\\t\"\\~%")
|
|
(pr " \"beq 2f\\n\\t\"\\~%")
|
|
(pr " \"1:\\n\\t\"\\~%")
|
|
(pr " \"ldr r12, [%0, #0]\\n\\t\"\\~%")
|
|
(pr " \"cmp r12, #0\\n\\t\"\\~%")
|
|
(pr " \"beq 0b\\n\\t\"\\~%")
|
|
(pr " \"b 1b\\n\\t\"\\~%")
|
|
(pr " \"2:\\n\\t\"\\~%")
|
|
(pr " : \\~%")
|
|
(pr " : \"r\" (addr)\\~%")
|
|
(pr " : \"cc\", \"memory\", \"r12\", \"r11\")~%")
|
|
|
|
(nl)
|
|
(pr "#define UNLOCK(addr) \\~%")
|
|
(pr " __asm__ __volatile__ (\"mov r12, #0\\n\\t\"\\~%")
|
|
(pr " \"str r12, [%0, #0]\\n\\t\"\\~%")
|
|
(pr " : \\~%")
|
|
(pr " : \"r\" (addr)\\~%")
|
|
(pr " :\"memory\", \"r12\")~%")
|
|
|
|
(nl)
|
|
(pr "#define LOCKED_INCR(addr, ret) \\~%")
|
|
(pr " __asm__ __volatile__ (\"mov %0, #0\\n\\t\"\\~%")
|
|
(pr " \"0:\\n\\t\"\\~%")
|
|
(pr " \"ldrex r12, [%1, #0]\\n\\t\"\\~%")
|
|
(pr " \"add r12, r12, #1\\n\\t\"\\~%")
|
|
(pr " \"strex r11, r12, [%1]\\n\\t\"\\~%")
|
|
(pr " \"cmp r11, #0\\n\\t\"\\~%")
|
|
(pr " \"bne 0b\\n\\t\"\\~%")
|
|
(pr " \"cmp r12, #0\\n\\t\"\\~%")
|
|
(pr " \"moveq %0, #1\\n\\t\"\\~%")
|
|
(pr " : \"=&r\" (ret)\\~%")
|
|
(pr " : \"r\" (addr)\\~%")
|
|
(pr " : \"cc\", \"memory\", \"r12\", \"r11\")~%")
|
|
|
|
(nl)
|
|
(pr "#define LOCKED_DECR(addr, ret) \\~%")
|
|
(pr " __asm__ __volatile__ (\"mov %0, #0\\n\\t\"\\~%")
|
|
(pr " \"0:\\n\\t\"\\~%")
|
|
(pr " \"ldrex r12, [%1, #0]\\n\\t\"\\~%")
|
|
(pr " \"sub r12, r12, #1\\n\\t\"\\~%")
|
|
(pr " \"strex r11, r12, [%1]\\n\\t\"\\~%")
|
|
(pr " \"cmp r11, #0\\n\\t\"\\~%")
|
|
(pr " \"bne 0b\\n\\t\"\\~%")
|
|
(pr " \"cmp r12, #0\\n\\t\"\\~%")
|
|
(pr " \"moveq %0, #1\\n\\t\"\\~%")
|
|
(pr " : \"=&r\" (ret)\\~%")
|
|
(pr " : \"r\" (addr)\\~%")
|
|
(pr " : \"cc\", \"memory\", \"r12\", \"r11\")~%")]
|
|
[else
|
|
($oops who "asm locking code is not yet defined for ~s" (constant architecture))]))))
|
|
|
|
(set! mkequates.h
|
|
(lambda (ofn)
|
|
(fluid-let ([op (open-output-file ofn 'replace)])
|
|
(comment "equates.h for Chez Scheme Version ~a" scheme-version)
|
|
|
|
(nl)
|
|
(comment "Do not edit this file. It is automatically generated and")
|
|
(comment "specifically tailored to the version of Chez Scheme named")
|
|
(comment "above. Always be certain that you have the correct version")
|
|
(comment "of this file for the version of Chez Scheme you are using.")
|
|
|
|
(nl)
|
|
(comment "Warning: Some macros may evaluate arguments more than once.")
|
|
|
|
(nl)
|
|
(comment "Integer typedefs")
|
|
(pr "typedef ~a I8;~%" (constant typedef-i8))
|
|
(pr "typedef ~a U8;~%" (constant typedef-u8))
|
|
(pr "typedef ~a I16;~%" (constant typedef-i16))
|
|
(pr "typedef ~a U16;~%" (constant typedef-u16))
|
|
(pr "typedef ~a I32;~%" (constant typedef-i32))
|
|
(pr "typedef ~a U32;~%" (constant typedef-u32))
|
|
(pr "typedef ~a I64;~%" (constant typedef-i64))
|
|
(pr "typedef ~a U64;~%" (constant typedef-u64))
|
|
|
|
(nl)
|
|
(comment "constants from cmacros.ss")
|
|
(for-each
|
|
(lambda (x)
|
|
(cond
|
|
[(getprop x '*constant* #f) =>
|
|
(lambda (k)
|
|
(let ([type (getprop x '*constant-ctype* #f)])
|
|
(def (sanitize x)
|
|
(if (or (fixnum? k) (bignum? k))
|
|
(if (< k 0)
|
|
(if (or (not type) (eq? type 'int))
|
|
(format "-0x~x" (- k))
|
|
(format "(~s)-0x~x" type (- k)))
|
|
(if (or (not type) (eq? type 'int))
|
|
(format "0x~x" k)
|
|
(format "(~s)0x~x" type k)))
|
|
(if (not type)
|
|
(if (eq? k #f)
|
|
"0"
|
|
(if (eq? k #t)
|
|
"1"
|
|
(format "~s" k)))
|
|
(format "(~s)~s" type k))))))]))
|
|
(sort (lambda (x y)
|
|
(string<? (symbol->string x) (symbol->string y)))
|
|
(oblist)))
|
|
(nl)
|
|
(comment "constants from declare-c-entries")
|
|
(for-each
|
|
(lambda (x)
|
|
(cond
|
|
[($sgetprop x '*c-entry* #f) =>
|
|
(lambda (k)
|
|
(def (format "CENTRY_~a" (sanitize x)) k))]))
|
|
(sort (lambda (x y)
|
|
(string<? (symbol->string x) (symbol->string y)))
|
|
(oblist)))
|
|
|
|
(nl)
|
|
(comment "displacements for records")
|
|
(let ()
|
|
(define print-field-disps
|
|
(lambda (prefix rtd)
|
|
(let-values ([(pm mpm flds size)
|
|
((let () (include "layout.ss") compute-field-offsets)
|
|
'mkheader
|
|
(fx- (constant typemod) (constant type-typed-object))
|
|
(cons '(immutable scheme-object rtd) (csv7:record-type-field-decls rtd)))])
|
|
(for-each
|
|
(lambda (fld)
|
|
(def (format "~a_~a_disp" prefix (sanitize (fld-name fld)))
|
|
(fld-byte fld)))
|
|
flds))))
|
|
(print-field-disps "eq_hashtable" (let () (include "hashtable-types.ss") (record-type-descriptor eq-ht)))
|
|
(print-field-disps "symbol_hashtable" (let () (include "hashtable-types.ss") (record-type-descriptor symbol-ht)))
|
|
(print-field-disps "code_info" (let () (include "types.ss") (record-type-descriptor code-info))))
|
|
|
|
(nl)
|
|
(comment "predicates")
|
|
(deftypep "Simmediatep" ($ mask-immediate) ($ type-immediate))
|
|
(deftotypep "Sportp" ($ mask-port) ($ type-port))
|
|
(deftotypep "Scodep" ($ mask-code) ($ type-code))
|
|
|
|
(nl)
|
|
(comment "structure accessors")
|
|
|
|
(definit INITCAR pair car)
|
|
(definit INITCDR pair cdr)
|
|
(defset SETCAR pair car)
|
|
(defset SETCDR pair cdr)
|
|
|
|
(defref BOXTYPE box type)
|
|
(definit INITBOXREF box ref)
|
|
(defset SETBOXREF box ref)
|
|
|
|
(defref EPHEMERONNEXT ephemeron next)
|
|
(definit INITEPHEMERONNEXT ephemeron next)
|
|
(defref EPHEMERONTRIGGERNEXT ephemeron trigger-next)
|
|
(definit INITEPHEMERONTRIGGERNEXT ephemeron trigger-next)
|
|
|
|
(defref TLCTYPE tlc type)
|
|
(defref TLCKEYVAL tlc keyval)
|
|
(defref TLCHT tlc ht)
|
|
(defref TLCNEXT tlc next)
|
|
(definit INITTLCKEYVAL tlc keyval)
|
|
(definit INITTLCHT tlc ht)
|
|
(definit INITTLCNEXT tlc next)
|
|
(defset SETTLCNEXT tlc next)
|
|
|
|
(defref SYMVAL symbol value)
|
|
(defref SYMPVAL symbol pvalue)
|
|
(defref SYMPLIST symbol plist)
|
|
(defref SYMNAME symbol name)
|
|
(defref SYMSPLIST symbol splist)
|
|
(defref SYMHASH symbol hash)
|
|
|
|
(definit INITSYMVAL symbol value)
|
|
(definit INITSYMPVAL symbol pvalue)
|
|
(definit INITSYMPLIST symbol plist)
|
|
(definit INITSYMNAME symbol name)
|
|
(definit INITSYMSPLIST symbol splist)
|
|
(definit INITSYMHASH symbol hash)
|
|
|
|
(defset SETSYMVAL symbol value)
|
|
(defset SETSYMPVAL symbol pvalue)
|
|
(defset SETSYMPLIST symbol plist)
|
|
(defset SETSYMNAME symbol name)
|
|
(defset SETSYMSPLIST symbol splist)
|
|
(defset SETSYMHASH symbol hash)
|
|
|
|
(defref VECTTYPE vector type)
|
|
|
|
(definit INITVECTIT vector data)
|
|
(defset SETVECTIT vector data)
|
|
|
|
(defref FXVECTOR_TYPE fxvector type)
|
|
(defref FXVECTIT fxvector data)
|
|
|
|
(defref BYTEVECTOR_TYPE bytevector type)
|
|
(defref BVIT bytevector data)
|
|
|
|
(defref INEXACTNUM_TYPE inexactnum type)
|
|
(defref INEXACTNUM_REAL_PART inexactnum real)
|
|
(defref INEXACTNUM_IMAG_PART inexactnum imag)
|
|
|
|
(defref EXACTNUM_TYPE exactnum type)
|
|
(defref EXACTNUM_REAL_PART exactnum real)
|
|
(defref EXACTNUM_IMAG_PART exactnum imag)
|
|
|
|
(defref RATTYPE ratnum type)
|
|
(defref RATNUM ratnum numerator)
|
|
(defref RATDEN ratnum denominator)
|
|
|
|
(defref CLOSENTRY closure code)
|
|
(defref CLOSIT closure data)
|
|
|
|
(defref FLODAT flonum data)
|
|
|
|
(defref PORTTYPE port type)
|
|
(defref PORTNAME port name)
|
|
(defref PORTHANDLER port handler)
|
|
(defref PORTINFO port info)
|
|
(defref PORTOCNT port ocount)
|
|
(defref PORTOLAST port olast)
|
|
(defref PORTOBUF port obuffer)
|
|
(defref PORTICNT port icount)
|
|
(defref PORTILAST port ilast)
|
|
(defref PORTIBUF port ibuffer)
|
|
|
|
(defref STRTYPE string type)
|
|
(defref STRIT string data)
|
|
|
|
(defref BIGTYPE bignum type)
|
|
(defref BIGIT bignum data)
|
|
|
|
(defref CODETYPE code type)
|
|
(defref CODELEN code length)
|
|
(defref CODERELOC code reloc)
|
|
(defref CODENAME code name)
|
|
(defref CODEARITYMASK code arity-mask)
|
|
(defref CODEFREE code closure-length)
|
|
(defref CODEINFO code info)
|
|
(defref CODEPINFOS code pinfo*)
|
|
(defref CODEIT code data)
|
|
|
|
(defref RELOCSIZE reloc-table size)
|
|
(defref RELOCCODE reloc-table code)
|
|
(defref RELOCIT reloc-table data)
|
|
|
|
(defref CONTSTACK continuation stack)
|
|
(defref CONTLENGTH continuation stack-length)
|
|
(defref CONTCLENGTH continuation stack-clength)
|
|
(defref CONTLINK continuation link)
|
|
(defref CONTRET continuation return-address)
|
|
(defref CONTWINDERS continuation winders)
|
|
|
|
(defref RTDCOUNTSTYPE rtd-counts type)
|
|
(defref RTDCOUNTSTIMESTAMP rtd-counts timestamp)
|
|
(defref RTDCOUNTSIT rtd-counts data)
|
|
|
|
(defref RECORDDESCPARENT record-type parent)
|
|
(defref RECORDDESCSIZE record-type size)
|
|
(defref RECORDDESCPM record-type pm)
|
|
(defref RECORDDESCMPM record-type mpm)
|
|
(defref RECORDDESCNAME record-type name)
|
|
(defref RECORDDESCFLDS record-type flds)
|
|
(defref RECORDDESCFLAGS record-type flags)
|
|
(defref RECORDDESCUID record-type uid)
|
|
(defref RECORDDESCCOUNTS record-type counts)
|
|
|
|
(defref RECORDINSTTYPE record type)
|
|
(defref RECORDINSTIT record data)
|
|
|
|
; derived accessors
|
|
(def "CLOSCODE(p)" "((ptr)((uptr)CLOSENTRY(p)-code_data_disp))")
|
|
(def "CODEENTRYPOINT(x)" "((ptr)((uptr)(x)+code_data_disp))")
|
|
(def "SETCLOSCODE(p,x)" "(CLOSENTRY(p) = CODEENTRYPOINT(x))")
|
|
|
|
(def "SYMCODE(p)" "((ptr)((uptr)SYMPVAL(p)-code_data_disp))")
|
|
(def "INITSYMCODE(p,x)" "(INITSYMPVAL(p) = CODEENTRYPOINT(x))")
|
|
(def "SETSYMCODE(p,x)" "SETSYMPVAL(p,CODEENTRYPOINT(x))")
|
|
|
|
(def "BIGLEN(x)" "((iptr)((uptr)BIGTYPE(x) >> bignum_length_offset))")
|
|
(def "BIGSIGN(x)" "((BIGTYPE(x) & mask_bignum_sign) >> bignum_sign_offset)")
|
|
(def "SETBIGLENANDSIGN(x,xl,xs)"
|
|
"BIGTYPE(x) = (uptr)(xl) << bignum_length_offset | (xs) << bignum_sign_offset | type_bignum")
|
|
|
|
(def "CLOSLEN(p)" "CODEFREE(CLOSCODE(p))")
|
|
|
|
(defref GUARDIANOBJ guardian-entry obj)
|
|
(defref GUARDIANREP guardian-entry rep)
|
|
(defref GUARDIANTCONC guardian-entry tconc)
|
|
(defref GUARDIANNEXT guardian-entry next)
|
|
|
|
(definit INITGUARDIANOBJ guardian-entry obj)
|
|
(definit INITGUARDIANREP guardian-entry rep)
|
|
(definit INITGUARDIANTCONC guardian-entry tconc)
|
|
(definit INITGUARDIANNEXT guardian-entry next)
|
|
|
|
(defref FORWARDMARKER forward marker)
|
|
(defref FORWARDADDRESS forward address)
|
|
|
|
(defref CACHEDSTACKSIZE cached-stack size)
|
|
(defref CACHEDSTACKLINK cached-stack link)
|
|
|
|
(defref RPHEADERFRAMESIZE rp-header frame-size)
|
|
(defref RPHEADERLIVEMASK rp-header livemask)
|
|
(defref RPHEADERTOPLINK rp-header toplink)
|
|
|
|
(nl)
|
|
(comment "machine types")
|
|
(pr "#define machine_type_names ")
|
|
(pr "{~{\"~a\"~^, ~}}~%"
|
|
(let ([v (make-vector (constant machine-type-limit) 'undefined)])
|
|
(for-each (lambda (a) (vector-set! v (car a) (cdr a))) (constant machine-type-alist))
|
|
(vector->list v)))
|
|
|
|
(nl)
|
|
(comment "allocation-space names")
|
|
(pr "#define alloc_space_names ")
|
|
(pr "~{\"~a\"~^, ~}~%" (constant space-cname-list))
|
|
|
|
(nl)
|
|
(comment "allocation-space characters")
|
|
(pr "#define alloc_space_chars ")
|
|
(pr "~{\'~a\'~^, ~}~%" (constant space-char-list))
|
|
|
|
(nl)
|
|
(comment "threads")
|
|
(defref THREADTC thread tc)
|
|
|
|
(nl)
|
|
(comment "thread-context data")
|
|
(let ()
|
|
(define-syntax alpha
|
|
(let ()
|
|
(define CSAFE
|
|
(lambda (sym)
|
|
(string->symbol
|
|
(list->string
|
|
(map char-upcase
|
|
(remv #\- (string->list (symbol->string sym))))))))
|
|
(let ([tc-field-list (sort
|
|
(lambda (x y)
|
|
(string<? (symbol->string x) (symbol->string y)))
|
|
tc-field-list)])
|
|
(with-syntax ([(param ...)
|
|
(map (lambda (x) (datum->syntax #'* x))
|
|
tc-field-list)]
|
|
[(PARAM ...)
|
|
(map (lambda (x) (datum->syntax #'* x))
|
|
(map CSAFE tc-field-list))])
|
|
(lambda (x)
|
|
#'(begin (defref PARAM tc param) ...))))))
|
|
alpha)
|
|
|
|
; get ARGREGS for free from above; prefer ARGREG
|
|
(defref ARGREG tc arg-regs)
|
|
(defref VIRTREG tc virtual-registers)
|
|
|
|
(nl)
|
|
(comment "library entries we access from C code")
|
|
(def "library_nonprocedure_code"
|
|
(libspec-index (lookup-libspec nonprocedure-code)))
|
|
(def "library_dounderflow"
|
|
(libspec-index (lookup-libspec dounderflow)))
|
|
|
|
)))
|
|
)
|