cgen-doc.scm from Gdb at Krugle
Show cgen-doc.scm syntax highlighted
; CPU description file generator for CGEN cpu documentation
; This is invoked to build: $arch.html.
; Copyright (C) 2003 Doug Evans
; This file is part of CGEN.
;
; This is a standalone script, we don't load anything until we parse the
; -s argument (keeps reliance off of environment variables, etc.).
; Load the various support routines.
(define (load-files srcdir)
(load (string-append srcdir "/read.scm"))
(load (string-append srcdir "/desc.scm"))
(load (string-append srcdir "/desc-cpu.scm"))
(load (string-append srcdir "/html.scm"))
)
(define doc-arguments
(list
(list "-H" "file" "generate $arch.html in <file>"
#f
(lambda (arg) (file-write arg cgen.html)))
(list "-I" "file" "generate $arch-insn.html in <file>"
#f
(lambda (arg) (file-write arg cgen-insn.html)))
(list "-N" "file" "specify name of insn.html file"
#f
(lambda (arg) (set! *insn-html-file-name* arg)))
)
)
; Kept global so it's available to the other .scm files.
(define srcdir ".")
; Scan argv for -s srcdir.
; We can't process any other args until we find the cgen source dir.
; The result is srcdir.
; We assume "-s" isn't the argument to another option. Unwise, yes.
; Alternatives are to require it to be the first argument or at least preceed
; any option with a "-s" argument, or to put knowledge of the common argument
; set and common argument parsing code in every top level file.
(define (find-srcdir argv)
(let loop ((argv argv))
(if (null? argv)
(error "`-s srcdir' not present, can't load cgen"))
(if (string=? "-s" (car argv))
(begin
(if (null? (cdr argv))
(error "missing srcdir arg to `-s'"))
(cadr argv))
(loop (cdr argv))))
)
; Main routine, parses options and calls generators.
(define (cgen-doc argv)
(let ()
; Find and set srcdir, then load all Scheme code.
; Drop the first argument, it is the script name (i.e. argv[0]).
(set! srcdir (find-srcdir (cdr argv)))
(set! %load-path (cons srcdir %load-path))
(load-files srcdir)
(display-argv argv)
(cgen #:argv argv
#:app-name "doc"
#:arg-spec doc-arguments
#:init doc-init!
#:finish doc-finish!
#:analyze doc-analyze!)
)
)
(cgen-doc (program-arguments))
See more files for this project here