170 lines
6.0 KiB
Racket
Executable File
170 lines
6.0 KiB
Racket
Executable File
#!/usr/bin/env racket
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#lang racket/base
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(require racket/list
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racket/string
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racket/match
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racket/file
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racket/path
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racket/port
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"make/make-structs.rkt"
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"js-assembler/package.rkt"
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"resource/structs.rkt"
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"private/command.rkt"
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"logger.rkt"
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"parameters.rkt"
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raco/command-name)
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;; Usage:
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;;
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;; * Build standalone .xhtml application.
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;;
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;; $ whalesong build main-module-name.rkt
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;;
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;;
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;; * Print out the runtime library to standard output.
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;;
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;; $ whalesong get-runtime
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;;
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;;
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;; * Print out the JavaScript for the program.
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;;
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;; $ whalesong get-javascript main-module-name.rkt
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(define current-verbose? (make-parameter #f))
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(define current-resource-dir (make-parameter (build-path (current-directory))))
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(define current-write-resources? (make-parameter #t))
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(define (at-toplevel)
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(svn-style-command-line
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#:program "whalesong" ; (short-program+command-name)
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#:argv (current-command-line-arguments)
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"The Whalesong command-line tool for compiling Racket to JavaScript"
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["build" "build a standalone xhtml package"
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"Builds a Racket program and its required dependencies into a standalone .xhtml file."
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#:once-each
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[("-v" "--verbose")
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("Display verbose messages.")
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(current-verbose? #t)]
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[("--compress-javascript")
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("Compress JavaScript with Google Closure (requires Java)")
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(current-compress-javascript? #t)]
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#:args (path)
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(do-the-build path)]
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["get-runtime" "print the runtime library to standard output"
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"Prints the runtime JavaScript library that's used by Whalesong programs."
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#:once-each
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[("-v" "--verbose")
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("Display verbose messages.")
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(current-verbose? #t)]
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[("--compress-javascript")
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("Compress JavaScript with Google Closure (requires Java)")
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(current-compress-javascript? #t)]
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#:args ()
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(print-the-runtime)]
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["get-javascript" "Gets just the JavaScript code and prints it to standard output"
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"Builds a racket program into JavaScript. The outputted file depends on the runtime."
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#:once-each
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[("-v" "--verbose")
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("Display verbose messages.")
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(current-verbose? #t)]
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[("--compress-javascript")
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("Compress JavaScript with Google Closure (requires Java)")
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(current-compress-javascript? #t)]
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#:args (file)
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(get-javascript-code file)]))
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(define (turn-on-logger!)
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(void (thread (lambda ()
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(let ([receiver
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(make-log-receiver whalesong-logger
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(if (current-verbose?)
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'debug
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'info))])
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(let loop ()
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(let ([msg (sync receiver)])
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(match msg
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[(vector level msg data)
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(fprintf (current-error-port)"~a: ~a\n" level msg)
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(flush-output (current-error-port))]))
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(loop)))))))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(define (same-file? p1 p2)
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(or (equal? (normalize-path p1) (normalize-path p2))
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(bytes=? (call-with-input-file p1 port->bytes)
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(call-with-input-file p2 port->bytes))))
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(define (do-the-build f)
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(turn-on-logger!)
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(let-values ([(base filename dir?)
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(split-path f)])
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(let ([output-filename
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(build-path
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(regexp-replace #rx"[.](rkt|ss)$"
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(path->string filename)
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".xhtml"))])
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(parameterize ([current-on-resource
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(lambda (r)
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(make-directory* (current-resource-dir))
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(log-info (format "Writing resource ~s" (resource-path r)))
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(cond
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[(file-exists? (build-path (current-resource-dir)
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(resource-key r)))
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(cond [(same-file? (build-path (current-resource-dir)
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(resource-key r))
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(resource-path r))
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(void)]
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[else
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(error 'whalesong "Unable to write resource ~s; this will overwrite a file"
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(build-path (current-resource-dir)
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(resource-key r)))])]
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[else
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(copy-file (resource-path r)
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(build-path (current-resource-dir)
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(resource-key r)))]))])
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(call-with-output-file* output-filename
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(lambda (op)
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(package-standalone-xhtml
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(make-ModuleSource (build-path f))
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op))
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#:exists 'replace)))))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(define (print-the-runtime)
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(turn-on-logger!)
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(display (get-runtime) (current-output-port)))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(define (get-javascript-code filename)
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(turn-on-logger!)
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(display (get-standalone-code
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(make-ModuleSource (build-path filename)))
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(current-output-port)))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(at-toplevel)
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