159 lines
4.9 KiB
Scheme
159 lines
4.9 KiB
Scheme
;;; MAKEFILE:
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;;; =========
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;;;
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;;; <makefile> ::= '(' + "makefile" + <makerule-clause>* + ')'
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;;; <makerule-clause> ::= <file-clause>
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;;; | <md5-clause>
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;;; | <always-clause>
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;;; | <once-clause>
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;;;
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;;;
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(define-syntax makefile
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(syntax-rules ()
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((makefile) (list))
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((makefile ?rule0 ?rule1 ...) (?rule0 (makefile ?rule1 ...)))))
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;;;
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;;; <file-clause>
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;;;
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;;; to achieve consistency only rule will use the rule-tmpvars
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;;; macro directly and all other macros use this clause
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;;;
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(define-syntax makefile-rule
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(syntax-rules ()
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((makefile-rule ?target ?prereqs ?action0 ...)
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(file ?target ?prereqs ?action0 ...))))
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(define-syntax is-out-of-date?
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(syntax-rules ()
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((is-out-of-date? ?target ?prereqs ?action0 ...)
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(file ?target ?prereqs ?action0 ...))))
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(define-syntax file
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(syntax-rules ()
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((file ?target (?prereq0 ...) ?action0 ...)
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(file-tmpvars () ?target (?prereq0 ...) ?action0 ...))))
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(define-syntax file-tmpvars
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(syntax-rules ()
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((file-tmpvars (tmp1 ...) ?target () ?action0 ...)
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(let ((target ?target)
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(prereqs (list tmp1 ...))
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(thunk (lambda () ?action0 ...)))
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(lambda (rule-candidates)
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(cons (list target
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prereqs
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(make-is-out-of-date? target tmp1 ...)
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(make-file-build-func target prereqs thunk))
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rule-candidates))))
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((file-tmpvars (tmp1 ...) ?target (?prereq0 ?prereq1 ...) ?action0 ...)
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(let ((tmp2 ?prereq0))
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(file-tmpvars (tmp1 ... tmp2) ?target (?prereq1 ...) ?action0 ...)))))
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;;;
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;;; <md5-clause>
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;;;
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;;; to achieve consistency only file-md5 will use the file-md5-tmpvars
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;;; macro directly and all other macros use this clause
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;;;
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(define-syntax md5
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(syntax-rules ()
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((md5 ?target ?prereqs ?action0 ...)
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(file-md5 ?target ?prereqs ?action0 ...))))
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(define-syntax file-md5
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(syntax-rules ()
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((file-md5 ?target (?prereq0 ...) ?action0 ...)
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(file-md5-tmpvars () ?target (?prereq0 ...) ?action0 ...))))
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(define-syntax file-md5-tmpvars
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(syntax-rules ()
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((file-md5-tmpvars (tmp1 ...) ?target () ?action0 ...)
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(let ((target ?target)
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(prereqs (list tmp1 ...))
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(thunk (lambda () ?action0 ...)))
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(lambda (rule-candidates)
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(cons (list target
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prereqs
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(make-md5-sum-changed? target tmp1 ...)
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(make-md5-build-func target prereqs thunk))
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rule-candidates))))
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((file-md5-tmpvars (tmp1 ...) ?target (?prereq0 ?prereq1 ...) ?action0 ...)
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(let ((tmp2 ?prereq0))
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(file-md5-tmpvars (tmp1 ... tmp2) ?target (?prereq1 ...) ?action0 ...)))))
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;;;
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;;; <always-clause>
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;;;
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;;; to achieve consistency only rule-always will use the rule-always-tmpvars
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;;; macro directly and all other macros use this clause
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;;;
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(define-syntax phony
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(syntax-rules ()
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((phony ?target ?prereqs ?action0 ...)
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(file-always ?target ?prereqs ?action0 ...))))
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(define-syntax always
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(syntax-rules ()
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((always ?target ?prereqs ?action0 ...)
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(file-always ?target ?prereqs ?action0 ...))))
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(define-syntax is-out-of-date!
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(syntax-rules ()
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((is-out-of-date! ?target ?prereqs ?action0 ...)
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(file-always ?target ?prereqs ?action0 ...))))
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(define-syntax file-always
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(syntax-rules ()
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((file-always ?target ?prereqs ?action0 ...)
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(file-always-tmpvars () ?target ?prereqs ?action0 ...))))
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(define-syntax file-always-tmpvars
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(syntax-rules ()
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((file-always-tmpvars (tmp1 ...) ?target () ?action0 ...)
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(let ((target ?target)
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(prereqs (list tmp1 ...))
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(thunk (lambda () ?action0 ...)))
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(lambda (rule-candidates)
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(cons (list target
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prereqs
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(make-is-out-of-date! target tmp1 ...)
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(make-always-build-func target prereqs thunk))
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rule-candidates))))
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((file-always-tmpvars (tmp1 ...) ?target (?prereq0 ?prereq1 ...) ?action0 ...)
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(let ((tmp2 ?prereq0))
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(file-always-tmpvars (tmp1 ... tmp2) ?target (?prereq1 ...) ?action0 ...)))))
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;;;
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;;; <once-clause>
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;;;
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;;; to achieve consistency only rule-once will use the rule-once-tmpvars
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;;; macro directly and all other macros use this clause
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;;;
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(define-syntax once
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(syntax-rules ()
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((once ?target ?prereqs ?action0 ...)
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(file-once ?target ?prereqs ?action0 ...))))
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(define-syntax file-once
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(syntax-rules ()
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((file-once ?target (?prereq0 ...) ?action0 ...)
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(file-once-tmpvars () ?target (?prereq0 ...) ?action0 ...))))
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(define-syntax file-once-tmpvars
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(syntax-rules ()
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((file-once-tmpvars (tmp1 ...) ?target () ?action0 ...)
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(let ((target ?target)
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(prereqs (list tmp1 ...))
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(thunk (lambda () ?action0 ...)))
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(lambda (rule-candidates)
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(cons (list target
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prereqs
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(make-once target tmp1 ...)
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(make-once-build-func target prereqs thunk))
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rule-candidates))))
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((file-once-tmpvars (tmp1 ...) ?target (?prereq0 ?prereq1 ...) ?action0 ...)
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(let ((tmp2 ?prereq0))
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(file-once-tmpvars (tmp1 ... tmp2) ?target (?prereq1 ...) ?action0 ...)))))
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