82 lines
2.4 KiB
Racket
Executable File
82 lines
2.4 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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"make/make-structs.rkt"
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"js-assembler/package.rkt"
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"private/command.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 (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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#: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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#: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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#:args (file)
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(get-javascript-code file)]))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(define (do-the-build f)
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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)$" (path->string filename) ".xhtml"))])
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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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(write-runtime (current-output-port)))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(define (get-javascript-code filename)
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(write-standalone-code (make-ModuleSource (build-path filename)) (current-output-port)))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(at-toplevel)
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