90 lines
2.6 KiB
Racket
90 lines
2.6 KiB
Racket
#lang racket/base
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(require (except-in racket #%module-begin)
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(only-in racket/base [#%module-begin racket-module-begin])
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(for-syntax racket/base)
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"private/commands.rkt"
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"private/engine.rkt")
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(provide (all-from-out racket)
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(rename-out [makefile-module-begin #%module-begin])
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target
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deps
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phony
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default-target
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run
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rm-f
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rm-rf
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cleanup
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$target
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$deps
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$<)
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(define-for-syntax (literal-name-or-expression stx)
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(if (and (identifier? stx)
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(not (identifier-binding stx)))
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(datum->syntax stx `(quote ,(syntax-e stx)) stx stx)
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stx))
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(define-syntax (makefile-module-begin stx)
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(syntax-case stx ()
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[(_ form ...)
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#'(racket-module-begin
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(reset-makefile!)
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form ...
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(module+ main
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(run-selected-target!)))]))
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(define-syntax (deps stx)
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(raise-syntax-error 'deps "only valid as the dependency clause of target" stx))
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(define-syntax (target stx)
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(syntax-case stx (deps)
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[(_ name (deps dependency ...) body ...)
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(with-syntax ([target-name (literal-name-or-expression #'name)]
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[(target-dependency ...)
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(map literal-name-or-expression
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(syntax->list #'(dependency ...)))])
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#'(register-target!
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target-name
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(list target-dependency ...)
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(lambda () body ... (void))))]
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[(_ name body ...)
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(with-syntax ([target-name (literal-name-or-expression #'name)])
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#'(register-target!
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target-name
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'()
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(lambda () body ... (void))))]))
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(define-syntax (phony stx)
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(syntax-case stx ()
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[(_ name ...)
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(with-syntax ([(target-name ...)
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(map literal-name-or-expression
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(syntax->list #'(name ...)))])
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#'(mark-phony! target-name ...))]))
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(define-syntax (default-target stx)
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(syntax-case stx ()
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[(_ name)
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(with-syntax ([target-name (literal-name-or-expression #'name)])
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#'(set-default-target! target-name))]))
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(define-syntax $target
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(syntax-id-rules ()
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[$target
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(or (current-target)
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(error '$target "$target is only available while a target recipe is running"))]))
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(define-syntax $deps
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(syntax-id-rules ()
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[$deps
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(or (current-dependencies)
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(error '$deps "$deps is only available while a target recipe is running"))]))
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(define-syntax $<
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(syntax-id-rules ()
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[$<
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(or (current-first-dependency)
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(error '$< "$< is only available while a target recipe with dependencies is running"))]))
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