From: Chris Hanson Date: Fri, 27 Dec 2002 03:18:40 +0000 (+0000) Subject: Change option processing to accept "--" option syntax, as required by X-Git-Tag: 20090517-FFI~2099 X-Git-Url: https://birchwood-abbey.net/git?a=commitdiff_plain;h=bd79f3307f1395c676b97292a804ebe67a07cc27;p=mit-scheme.git Change option processing to accept "--" option syntax, as required by GNU coding standards. Older "-" syntax is preserved for compatibility. --- diff --git a/v7/src/microcode/option.c b/v7/src/microcode/option.c index 2a705d8da..fb370e19f 100644 --- a/v7/src/microcode/option.c +++ b/v7/src/microcode/option.c @@ -1,8 +1,8 @@ /* -*-C-*- -$Id: option.c,v 1.57 2002/11/20 19:46:11 cph Exp $ +$Id: option.c,v 1.58 2002/12/27 03:18:27 cph Exp $ -Copyright (c) 1990-2001 Massachusetts Institute of Technology +Copyright (c) 1990-2002 Massachusetts Institute of Technology This file is part of MIT Scheme. @@ -55,10 +55,6 @@ extern int atoi (); # include "ntio.h" #endif -#ifndef NULL -# define NULL 0 -#endif - #if defined(__WIN32__) || defined(__OS2__) # define DOS_LIKE_FILENAMES #endif @@ -154,14 +150,14 @@ Scheme accepts the following command-line options. The options may appear in any order, but they must all appear before any other arguments on the command line. --library PATH +--library PATH Sets the library search path to PATH. This is a colon-separated list of directories that is searched to find various library files, such as bands. If this option is not given, the value of the environment variable MITSCHEME_LIBRARY_PATH is used; it that isn't defined, "/usr/local/lib/mit-scheme" is used. --band FILENAME +--band FILENAME Specifies the initial band to be loaded. Searches for FILENAME in the working directory and the library directories, returning the full pathname of the first readable file of that name. If this @@ -170,13 +166,13 @@ arguments on the command line. these cases the library directories are searched, but not the working directory. --fasl FILENAME +--fasl FILENAME Specifies that a cold load should be performed, using FILENAME as the initial file to be loaded. If this option isn't given, a normal load is performed instead. This option may not be used together - with the "-band" option. + with the "--band" option. --utabmd FILENAME +--utabmd FILENAME Specifies the name of the microcode tables file. The file is searched for in the working directory and the library directories. If this option isn't given, the filename is the value of the @@ -184,11 +180,11 @@ arguments on the command line. defined, "utabmd.bin"; in these cases the library directories are searched, but not the working directory. --utab FILENAME - An alternate name for the "-utabmd" option. At most one of these +--utab FILENAME + An alternate name for the "--utabmd" option. At most one of these options may be given. --large +--large Specifies that large heap, constant, and stack default sizes should be used. These are specified by the environment variables MITSCHEME_LARGE_HEAP, MITSCHEME_LARGE_CONSTANT, and @@ -200,299 +196,299 @@ arguments on the command line. Scheme procedure `(print-gc-statistics)' shows how much heap and constant space is available and in use.] --heap BLOCKS +--heap BLOCKS Specifies the size of the heap in 1024-word blocks. Overrides any default. Normally two such heaps are allocated; `bchscheme' allocates only one. --constant BLOCKS +--constant BLOCKS Specifies the size of constant space in 1024-word blocks. Overrides any default. --stack BLOCKS +--stack BLOCKS Specifies the size of the stack in 1024-word blocks. Overrides any default. --option-summary +--option-summary Causes Scheme to write option information to standard error. --emacs +--emacs Specifies that Scheme is running as a subprocess of GNU Emacs. This option is automatically supplied by GNU Emacs, and should not be given under other circumstances. --interactive +--interactive If this option isn't specified, and Scheme's standard I/O is not a terminal, Scheme will detach itself from its controlling terminal. This will prevent it from getting signals sent to the process group of that terminal. If this option is specified, Scheme will not detach itself from the controlling terminal. --nocore +--nocore Specifies that Scheme should not generate a core dump under any circumstances. The following options are available only on machines with compiled-code support: --compiler +--compiler This option specifies defaults appropriate for loading the compiler. - It changes the defaults for "-band": the environment variable + It changes the defaults for "--band": the environment variable MITSCHEME_COMPILER_BAND is used, otherwise "compiler.com" is used. - It also specifies the use of large sizes, exactly like "-large". + It also specifies the use of large sizes, exactly like "--large". --edwin +--edwin This option specifies defaults appropriate for loading the editor. - It changes the defaults for "-band": the environment variable + It changes the defaults for "--band": the environment variable MITSCHEME_EDWIN_BAND is used, otherwise "edwin.com" is used. It - also specifies the use of large sizes, exactly like "-large". + also specifies the use of large sizes, exactly like "--large". The following options are only meaningful to bchscheme: --gc-directory DIRECTORY +--gc-directory DIRECTORY Specifies what directory to use to allocate the garbage collection file. --gc-drone FILENAME +--gc-drone FILENAME Specifies the program to use as the gc drones for overlapped I/O. --gc-end-position N +--gc-end-position N Specifies a position into the gc file past which bchscheme should not use. --gc-file FILENAME +--gc-file FILENAME Specifies that FILENAME should be used garbage collection. Overrides -gc-directory if it is an absolute pathname. -gcfile means the same thing, but is deprecated. --gc-keep +--gc-keep Specifles that newly allocated gc files should be kept rather than deleted. --gc-read-overlap N +--gc-read-overlap N Specifies the number of additional GC windows to use when reading for overlapped I/O. Each implies a drone process to manage it, if supported. --gc-start-position N +--gc-start-position N Specifies a position into the gc file before which bchscheme should not use. --gc-window-size BLOCKS +--gc-window-size BLOCKS Specifies the size in 1024-word blocks of each GC window. --gc-write-overlap N +--gc-write-overlap N Specifies the number of additional GC windows to use when writing for overlapped I/O. Each implies a drone process to manage it, if supported. */ #ifndef LIBRARY_PATH_VARIABLE -#define LIBRARY_PATH_VARIABLE "MITSCHEME_LIBRARY_PATH" +# define LIBRARY_PATH_VARIABLE "MITSCHEME_LIBRARY_PATH" #endif #ifndef DEFAULT_LIBRARY_PATH -#ifdef DOS_LIKE_FILENAMES -#define DEFAULT_LIBRARY_PATH "\\scheme\\lib" -#else -#define DEFAULT_LIBRARY_PATH "/usr/local/lib/mit-scheme" -#endif +# ifdef DOS_LIKE_FILENAMES +# define DEFAULT_LIBRARY_PATH "\\scheme\\lib" +# else +# define DEFAULT_LIBRARY_PATH "/usr/local/lib/mit-scheme" +# endif #endif #ifndef BAND_VARIABLE -#define BAND_VARIABLE "MITSCHEME_BAND" +# define BAND_VARIABLE "MITSCHEME_BAND" #endif #ifndef DEFAULT_BAND -#define DEFAULT_BAND "runtime.com" +# define DEFAULT_BAND "runtime.com" #endif #ifndef COMPILER_BAND_VARIABLE -#define COMPILER_BAND_VARIABLE "MITSCHEME_COMPILER_BAND" +# define COMPILER_BAND_VARIABLE "MITSCHEME_COMPILER_BAND" #endif #ifndef COMPILER_DEFAULT_BAND -#define COMPILER_DEFAULT_BAND "compiler.com" +# define COMPILER_DEFAULT_BAND "compiler.com" #endif #ifndef EDWIN_BAND_VARIABLE -#define EDWIN_BAND_VARIABLE "MITSCHEME_EDWIN_BAND" +# define EDWIN_BAND_VARIABLE "MITSCHEME_EDWIN_BAND" #endif #ifndef EDWIN_DEFAULT_BAND -#define EDWIN_DEFAULT_BAND "edwin.com" +# define EDWIN_DEFAULT_BAND "edwin.com" #endif #ifndef ALL_BAND_VARIABLE -#define ALL_BAND_VARIABLE "MITSCHEME_ALL_BAND" +# define ALL_BAND_VARIABLE "MITSCHEME_ALL_BAND" #endif #ifndef ALL_DEFAULT_BAND -#define ALL_DEFAULT_BAND "all.com" +# define ALL_DEFAULT_BAND "all.com" #endif #ifndef UTABMD_FILE_VARIABLE -#define UTABMD_FILE_VARIABLE "MITSCHEME_UTABMD_FILE" +# define UTABMD_FILE_VARIABLE "MITSCHEME_UTABMD_FILE" #endif #ifndef DEFAULT_UTABMD_FILE -#define DEFAULT_UTABMD_FILE "utabmd.bin" +# define DEFAULT_UTABMD_FILE "utabmd.bin" #endif #ifdef HAS_COMPILER_SUPPORT -#if defined(hp9000s800) || defined(__hp9000s800) +# if defined(hp9000s800) || defined(__hp9000s800) /* HPPA compiled binaries are large! */ -#ifndef DEFAULT_SMALL_CONSTANT -#define DEFAULT_SMALL_CONSTANT 600 -#endif +# ifndef DEFAULT_SMALL_CONSTANT +# define DEFAULT_SMALL_CONSTANT 600 +# endif -#ifndef DEFAULT_LARGE_CONSTANT -#define DEFAULT_LARGE_CONSTANT 1400 -#endif +# ifndef DEFAULT_LARGE_CONSTANT +# define DEFAULT_LARGE_CONSTANT 1400 +# endif -#endif /* hp9000s800 */ +# endif /* hp9000s800 */ -#ifdef mips +# ifdef mips /* MIPS compiled binaries are large! */ -#ifndef DEFAULT_SMALL_CONSTANT -#define DEFAULT_SMALL_CONSTANT 700 -#endif +# ifndef DEFAULT_SMALL_CONSTANT +# define DEFAULT_SMALL_CONSTANT 700 +# endif -#ifndef DEFAULT_LARGE_CONSTANT -#define DEFAULT_LARGE_CONSTANT 1500 -#endif +# ifndef DEFAULT_LARGE_CONSTANT +# define DEFAULT_LARGE_CONSTANT 1500 +# endif -#endif /* mips */ +# endif /* mips */ -#ifdef __IA32__ +# ifdef __IA32__ /* 386 code is large too! */ -#ifndef DEFAULT_SMALL_CONSTANT -#define DEFAULT_SMALL_CONSTANT 600 -#endif +# ifndef DEFAULT_SMALL_CONSTANT +# define DEFAULT_SMALL_CONSTANT 600 +# endif -#ifndef DEFAULT_LARGE_CONSTANT -#define DEFAULT_LARGE_CONSTANT 1200 -#endif +# ifndef DEFAULT_LARGE_CONSTANT +# define DEFAULT_LARGE_CONSTANT 1200 +# endif -#endif /* __IA32__ */ +# endif /* __IA32__ */ #endif /* HAS_COMPILER_SUPPORT */ #ifndef DEFAULT_SMALL_HEAP -#define DEFAULT_SMALL_HEAP 250 +# define DEFAULT_SMALL_HEAP 250 #endif #ifndef SMALL_HEAP_VARIABLE -#define SMALL_HEAP_VARIABLE "MITSCHEME_SMALL_HEAP" +# define SMALL_HEAP_VARIABLE "MITSCHEME_SMALL_HEAP" #endif #ifndef DEFAULT_SMALL_CONSTANT -#define DEFAULT_SMALL_CONSTANT 450 +# define DEFAULT_SMALL_CONSTANT 450 #endif #ifndef SMALL_CONSTANT_VARIABLE -#define SMALL_CONSTANT_VARIABLE "MITSCHEME_SMALL_CONSTANT" +# define SMALL_CONSTANT_VARIABLE "MITSCHEME_SMALL_CONSTANT" #endif #ifndef DEFAULT_SMALL_STACK -#define DEFAULT_SMALL_STACK 100 +# define DEFAULT_SMALL_STACK 100 #endif #ifndef SMALL_STACK_VARIABLE -#define SMALL_STACK_VARIABLE "MITSCHEME_SMALL_STACK" +# define SMALL_STACK_VARIABLE "MITSCHEME_SMALL_STACK" #endif #ifndef DEFAULT_LARGE_HEAP -#define DEFAULT_LARGE_HEAP 1000 +# define DEFAULT_LARGE_HEAP 1000 #endif #ifndef LARGE_HEAP_VARIABLE -#define LARGE_HEAP_VARIABLE "MITSCHEME_LARGE_HEAP" +# define LARGE_HEAP_VARIABLE "MITSCHEME_LARGE_HEAP" #endif #ifndef DEFAULT_LARGE_CONSTANT -#define DEFAULT_LARGE_CONSTANT 1000 +# define DEFAULT_LARGE_CONSTANT 1000 #endif #ifndef LARGE_CONSTANT_VARIABLE -#define LARGE_CONSTANT_VARIABLE "MITSCHEME_LARGE_CONSTANT" +# define LARGE_CONSTANT_VARIABLE "MITSCHEME_LARGE_CONSTANT" #endif #ifndef DEFAULT_LARGE_STACK -#define DEFAULT_LARGE_STACK DEFAULT_SMALL_STACK +# define DEFAULT_LARGE_STACK DEFAULT_SMALL_STACK #endif #ifndef LARGE_STACK_VARIABLE -#define LARGE_STACK_VARIABLE "MITSCHEME_LARGE_STACK" +# define LARGE_STACK_VARIABLE "MITSCHEME_LARGE_STACK" #endif /* These are only meaningful for bchscheme */ #ifndef DEFAULT_GC_DIRECTORY -#ifdef DOS_LIKE_FILENAMES -#define DEFAULT_GC_DIRECTORY "\\tmp" -#else -#define DEFAULT_GC_DIRECTORY "/tmp" -#endif +# ifdef DOS_LIKE_FILENAMES +# define DEFAULT_GC_DIRECTORY "\\tmp" +# else +# define DEFAULT_GC_DIRECTORY "/tmp" +# endif #endif #ifndef GC_DIRECTORY_VARIABLE -#define GC_DIRECTORY_VARIABLE "MITSCHEME_GC_DIRECTORY" +# define GC_DIRECTORY_VARIABLE "MITSCHEME_GC_DIRECTORY" #endif #ifndef DEFAULT_GC_DRONE -#define DEFAULT_GC_DRONE "gcdrone" +# define DEFAULT_GC_DRONE "gcdrone" #endif #ifndef GC_DRONE_VARIABLE -#define GC_DRONE_VARIABLE "MITSCHEME_GC_DRONE" +# define GC_DRONE_VARIABLE "MITSCHEME_GC_DRONE" #endif #ifndef DEFAULT_GC_END_POSITION -#define DEFAULT_GC_END_POSITION -1 +# define DEFAULT_GC_END_POSITION (-1) #endif #ifndef GC_END_POSITION_VARIABLE -#define GC_END_POSITION_VARIABLE "MITSCHEME_GC_END_POSITION" +# define GC_END_POSITION_VARIABLE "MITSCHEME_GC_END_POSITION" #endif #ifndef DEFAULT_GC_FILE -#define DEFAULT_GC_FILE "GCXXXXXX" +# define DEFAULT_GC_FILE "GCXXXXXX" #endif #ifndef GC_FILE_VARIABLE -#define GC_FILE_VARIABLE "MITSCHEME_GC_FILE" +# define GC_FILE_VARIABLE "MITSCHEME_GC_FILE" #endif #ifndef DEFAULT_GC_READ_OVERLAP -#define DEFAULT_GC_READ_OVERLAP 0 +# define DEFAULT_GC_READ_OVERLAP 0 #endif #ifndef GC_READ_OVERLAP_VARIABLE -#define GC_READ_OVERLAP_VARIABLE "MITSCHEME_GC_READ_OVERLAP" +# define GC_READ_OVERLAP_VARIABLE "MITSCHEME_GC_READ_OVERLAP" #endif #ifndef DEFAULT_GC_START_POSITION -#define DEFAULT_GC_START_POSITION 0 +# define DEFAULT_GC_START_POSITION 0 #endif #ifndef GC_START_POSITION_VARIABLE -#define GC_START_POSITION_VARIABLE "MITSCHEME_GC_START_POSITION" +# define GC_START_POSITION_VARIABLE "MITSCHEME_GC_START_POSITION" #endif #ifndef DEFAULT_GC_WINDOW_SIZE -#define DEFAULT_GC_WINDOW_SIZE 16 +# define DEFAULT_GC_WINDOW_SIZE 16 #endif #ifndef GC_WINDOW_SIZE_VARIABLE -#define GC_WINDOW_SIZE_VARIABLE "MITSCHEME_GC_WINDOW_SIZE" +# define GC_WINDOW_SIZE_VARIABLE "MITSCHEME_GC_WINDOW_SIZE" #endif #ifndef DEFAULT_GC_WRITE_OVERLAP -#define DEFAULT_GC_WRITE_OVERLAP 0 +# define DEFAULT_GC_WRITE_OVERLAP 0 #endif #ifndef GC_WRITE_OVERLAP_VARIABLE -#define GC_WRITE_OVERLAP_VARIABLE "MITSCHEME_GC_WRITE_OVERLAP" +# define GC_WRITE_OVERLAP_VARIABLE "MITSCHEME_GC_WRITE_OVERLAP" #endif static int @@ -530,19 +526,6 @@ DEFUN (string_compare_ci, (string1, string2), : ((length1 < length2) ? (-1) : 1)); } -#if 0 -static char * -DEFUN (strchr, (s, c), CONST char * s AND int c) -{ - while (1) - { - int c1 = (*s++); - if (c1 == c) return ((char *) (s - 1)); - if (c1 == '\0') return (0); - } -} -#endif - static PTR DEFUN (xmalloc, (n), unsigned long n) { @@ -613,6 +596,15 @@ DEFUN (parse_options, (argc, argv), int argc AND CONST char ** argv) while (scan_argv < end_argv) { CONST char * option = (*scan_argv++); + if ((strncmp ("--", option, 2)) == 0) + option += 2; + else if ((strncmp ("-", option, 1)) == 0) + option += 1; + else + { + scan_argv -= 1; + break; + } for (scan_desc = descriptors; (scan_desc < end_desc); scan_desc += 1) if ((string_compare_ci (option, (scan_desc -> option))) == 0) { @@ -623,7 +615,7 @@ DEFUN (parse_options, (argc, argv), int argc AND CONST char ** argv) (*value_cell) = (*scan_argv++); else { - outf_fatal ("%s: option %s requires an argument.\n", + outf_fatal ("%s: option --%s requires an argument.\n", scheme_program_name, option); termination_init_error (); } @@ -651,51 +643,53 @@ DEFUN (parse_options, (argc, argv), int argc AND CONST char ** argv) static void DEFUN (parse_standard_options, (argc, argv), int argc AND CONST char ** argv) { - option_argument ("-band", 1, (&option_raw_band)); - option_argument ("-constant", 1, (&option_raw_constant)); - option_argument ("-emacs", 0, (&option_emacs_subprocess)); - option_argument ("-fasl", 1, (&option_fasl_file)); - option_argument ("-heap", 1, (&option_raw_heap)); - option_argument ("-interactive", 0, (&option_force_interactive)); - option_argument ("-large", 0, (&option_large_sizes)); - option_argument ("-library", 1, (&option_raw_library)); - option_argument ("-nocore", 0, (&option_disable_core_dump)); - option_argument ("-option-summary", 0, (&option_summary)); - option_argument ("-stack", 1, (&option_raw_stack)); - option_argument ("-utab", 1, (&option_raw_utab)); - option_argument ("-utabmd", 1, (&option_raw_utabmd)); - option_argument ("-empty-list-eq-false", 0, (&option_empty_list_eq_false)); + option_argument ("band", 1, (&option_raw_band)); + option_argument ("constant", 1, (&option_raw_constant)); + option_argument ("emacs", 0, (&option_emacs_subprocess)); + option_argument ("fasl", 1, (&option_fasl_file)); + option_argument ("heap", 1, (&option_raw_heap)); + option_argument ("interactive", 0, (&option_force_interactive)); + option_argument ("large", 0, (&option_large_sizes)); + option_argument ("library", 1, (&option_raw_library)); + option_argument ("nocore", 0, (&option_disable_core_dump)); + option_argument ("option-summary", 0, (&option_summary)); + option_argument ("stack", 1, (&option_raw_stack)); + option_argument ("utab", 1, (&option_raw_utab)); + option_argument ("utabmd", 1, (&option_raw_utabmd)); + option_argument ("empty-list-eq-false", 0, (&option_empty_list_eq_false)); #ifdef HAS_COMPILER_SUPPORT - option_argument ("-compiler", 0, (&option_compiler_defaults)); - option_argument ("-edwin", 0, (&option_edwin_defaults)); + option_argument ("compiler", 0, (&option_compiler_defaults)); + option_argument ("edwin", 0, (&option_edwin_defaults)); #endif /* The following options are only meaningful to bchscheme. */ - option_argument ("-gc-directory", 1, (&option_gc_directory)); - option_argument ("-gc-drone", 1, (&option_gc_drone)); - option_argument ("-gc-end-position", 1, (&option_raw_gc_end_position)); - option_argument ("-gc-file", 1, (&option_gc_file)); - option_argument ("-gc-keep", 0, (&option_gc_keep)); - option_argument ("-gc-start-position", 1, (&option_raw_gc_start_position)); - option_argument ("-gc-read-overlap", 1, (&option_raw_gc_read_overlap)); - option_argument ("-gc-window-size", 1, (&option_raw_gc_window_size)); - option_argument ("-gc-write-overlap", 1, (&option_raw_gc_write_overlap)); - option_argument ("-gcfile", 1, (&option_raw_gc_file)); /* Obsolete */ + option_argument ("gc-directory", 1, (&option_gc_directory)); + option_argument ("gc-drone", 1, (&option_gc_drone)); + option_argument ("gc-end-position", 1, (&option_raw_gc_end_position)); + option_argument ("gc-file", 1, (&option_gc_file)); + option_argument ("gc-keep", 0, (&option_gc_keep)); + option_argument ("gc-start-position", 1, (&option_raw_gc_start_position)); + option_argument ("gc-read-overlap", 1, (&option_raw_gc_read_overlap)); + option_argument ("gc-window-size", 1, (&option_raw_gc_window_size)); + option_argument ("gc-write-overlap", 1, (&option_raw_gc_write_overlap)); + option_argument ("gcfile", 1, (&option_raw_gc_file)); /* Obsolete */ parse_options (argc, argv); } static CONST char * DEFUN (string_option, (option, defval), - CONST char * option AND CONST char * defval) + CONST char * option AND + CONST char * defval) { - return ((option == ((char *) NULL)) ? defval : option); + return ((option == 0) ? defval : option); } static CONST char * DEFUN (environment_default, (variable, defval), - CONST char * variable AND CONST char * defval) + CONST char * variable AND + CONST char * defval) { CONST char * temp = (getenv (variable)); - return ((temp == ((char *) NULL)) ? defval : temp); + return ((temp == 0) ? defval : temp); } static CONST char * @@ -721,10 +715,10 @@ DEFUN (non_negative_numeric_option, (option, optval, variable, defval), { if (optval != 0) { - long n = (strtol (optval, ((char **) NULL), 0)); + long n = (strtol (optval, 0, 0)); if (n < 0) { - outf_fatal ("%s: illegal argument %s for option %s.\n", + outf_fatal ("%s: illegal argument %s for option --%s.\n", scheme_program_name, optval, option); termination_init_error (); } @@ -734,7 +728,7 @@ DEFUN (non_negative_numeric_option, (option, optval, variable, defval), CONST char * t = (getenv (variable)); if (t != 0) { - long n = (strtol (t, ((char **) NULL), 0)); + long n = (strtol (t, 0, 0)); if (n < 0) { outf_fatal ("%s: illegal value %s for variable %s.\n", @@ -759,7 +753,7 @@ DEFUN (standard_numeric_option, (option, optval, variable, defval), int n = (atoi (optval)); if (n <= 0) { - outf_fatal ("%s: illegal argument %s for option %s.\n", + outf_fatal ("%s: illegal argument %s for option --%s.\n", scheme_program_name, optval, option); termination_init_error (); } @@ -899,7 +893,7 @@ DEFUN (search_for_library_file, (filename), CONST char * filename) unsigned int dlen; CONST char * fullname; if (directory == 0) - return ((char *) NULL); + return (0); dlen = (strlen (directory)); if (dlen > 0) { @@ -926,36 +920,34 @@ DEFUN (search_path_for_file, (option, filename, default_p, fail_p), int default_p AND int fail_p) { - CONST char * result; - - if ((result = (search_for_library_file (filename))) != ((char *) NULL)) + CONST char * result = (search_for_library_file (filename)); + if (result != 0) return (result); if (!fail_p) return (filename); else - { - CONST char ** scan_path = option_library_path; - - outf_fatal ("%s: can't find a readable %s", - scheme_program_name, (default_p ? "default" : "file")); - if (option != 0) - outf_fatal (" for option %s", option); - outf_fatal (".\n"); - outf_fatal ("\tsearched for file %s in these directories:\n", - filename); - if (!default_p) - outf_fatal ("\t.\n"); - while (1) { - CONST char * element = (*scan_path++); - if (element == 0) - break; - outf_fatal ("\t%s\n", element); + CONST char ** scan_path = option_library_path; + outf_fatal ("%s: can't find a readable %s", + scheme_program_name, + (default_p ? "default" : "file")); + if (option != 0) + outf_fatal (" for option --%s", option); + outf_fatal (".\n"); + outf_fatal ("\tsearched for file %s in these directories:\n", filename); + if (!default_p) + outf_fatal ("\t.\n"); + while (1) + { + CONST char * element = (*scan_path++); + if (element == 0) + break; + outf_fatal ("\t%s\n", element); + } + termination_init_error (); + /*NOTREACHED*/ + return (0); } - termination_init_error (); - /*NOTREACHED*/ - return (0); - } } static CONST char * @@ -974,8 +966,8 @@ DEFUN (standard_filename_option, (option, optval, variable, defval, fail_p), { if (fail_p) { - outf_fatal ("%s: can't read file %s for option %s.\n", - scheme_program_name, optval, option); + outf_fatal ("%s: can't read file %s for option --%s.\n", + scheme_program_name, optval, option); termination_init_error (); } return (string_copy (optval)); @@ -990,8 +982,8 @@ DEFUN (standard_filename_option, (option, optval, variable, defval, fail_p), { if ((! (FILE_READABLE (filename))) && fail_p) { - outf_fatal ("%s: can't read default file %s for option %s.\n", - scheme_program_name, filename, option); + outf_fatal ("%s: can't read default file %s for option --%s.\n", + scheme_program_name, filename, option); termination_init_error (); } return (string_copy (filename)); @@ -1006,8 +998,8 @@ DEFUN (conflicting_options, (option1, option2), CONST char * option1 AND CONST char * option2) { - outf_fatal ("%s: can't specify both options %s and %s.\n", - scheme_program_name, option1, option2); + outf_fatal ("%s: can't specify both options --%s and --%s.\n", + scheme_program_name, option1, option2); termination_init_error (); } @@ -1246,11 +1238,11 @@ DEFUN (read_command_line_options, (argc, argv), if (option_fasl_file != 0) { if (option_raw_band != 0) - conflicting_options ("-fasl", "-band"); + conflicting_options ("fasl", "band"); #ifndef NATIVE_CODE_IS_C if (! (FILE_READABLE (option_fasl_file))) { - outf_fatal ("%s: can't read option file: -fasl %s\n", + outf_fatal ("%s: can't read option file: --fasl %s\n", scheme_program_name, option_fasl_file); termination_init_error (); } @@ -1264,7 +1256,7 @@ DEFUN (read_command_line_options, (argc, argv), if (option_raw_band != 0) option_band_specified = 1; option_band_file = - (standard_filename_option ("-band", + (standard_filename_option ("band", option_raw_band, band_variable, default_band, @@ -1277,7 +1269,7 @@ DEFUN (read_command_line_options, (argc, argv), (&band_constant_size), (&band_heap_size))); option_heap_size - = ((standard_numeric_option ("-heap", + = ((standard_numeric_option ("heap", option_raw_heap, (option_large_sizes ? LARGE_HEAP_VARIABLE @@ -1287,7 +1279,7 @@ DEFUN (read_command_line_options, (argc, argv), : DEFAULT_SMALL_HEAP))) + (band_sizes_valid ? band_heap_size : 0)); option_constant_size - = (standard_numeric_option ("-constant", + = (standard_numeric_option ("constant", option_raw_constant, (option_large_sizes ? LARGE_CONSTANT_VARIABLE @@ -1298,7 +1290,7 @@ DEFUN (read_command_line_options, (argc, argv), ? DEFAULT_LARGE_CONSTANT : DEFAULT_SMALL_CONSTANT))); option_stack_size - = (standard_numeric_option ("-stack", + = (standard_numeric_option ("stack", option_raw_stack, (option_large_sizes ? LARGE_STACK_VARIABLE @@ -1311,9 +1303,9 @@ DEFUN (read_command_line_options, (argc, argv), if (option_raw_utabmd != 0) { if (option_raw_utab != 0) - conflicting_options ("-utabmd", "-utab"); + conflicting_options ("utabmd", "utab"); option_utabmd_file = - (standard_filename_option ("-utabmd", + (standard_filename_option ("utabmd", option_raw_utabmd, UTABMD_FILE_VARIABLE, DEFAULT_UTABMD_FILE, @@ -1321,7 +1313,7 @@ DEFUN (read_command_line_options, (argc, argv), } else option_utabmd_file = - (standard_filename_option ("-utab", + (standard_filename_option ("utab", option_raw_utab, UTABMD_FILE_VARIABLE, DEFAULT_UTABMD_FILE, @@ -1332,7 +1324,7 @@ DEFUN (read_command_line_options, (argc, argv), if (option_raw_gc_file != ((char *) 0)) { if (option_gc_file != ((char *) 0)) - conflicting_options ("-gcfile", "-gc-file"); + conflicting_options ("gcfile", "gc-file"); else option_gc_file = option_raw_gc_file; } @@ -1363,14 +1355,14 @@ DEFUN (read_command_line_options, (argc, argv), option_gc_directory = (string_option (option_gc_directory, dir)); } option_gc_drone = - (standard_filename_option ("-gc-drone", + (standard_filename_option ("gc-drone", option_gc_drone, GC_DRONE_VARIABLE, DEFAULT_GC_DRONE, 0)); option_gc_end_position = - (non_negative_numeric_option ("-gc-end-position", + (non_negative_numeric_option ("gc-end-position", option_raw_gc_end_position, GC_END_POSITION_VARIABLE, DEFAULT_GC_END_POSITION)); @@ -1382,26 +1374,26 @@ DEFUN (read_command_line_options, (argc, argv), option_gc_read_overlap = ((int) - (non_negative_numeric_option ("-gc-read-overlap", + (non_negative_numeric_option ("gc-read-overlap", option_raw_gc_read_overlap, GC_READ_OVERLAP_VARIABLE, DEFAULT_GC_READ_OVERLAP))); option_gc_start_position = - (non_negative_numeric_option ("-gc-start-position", + (non_negative_numeric_option ("gc-start-position", option_raw_gc_start_position, GC_START_POSITION_VARIABLE, DEFAULT_GC_START_POSITION)); option_gc_window_size = - (standard_numeric_option ("-gc-window-size", + (standard_numeric_option ("gc-window-size", option_raw_gc_window_size, GC_WINDOW_SIZE_VARIABLE, DEFAULT_GC_WINDOW_SIZE)); option_gc_write_overlap = ((int) - (non_negative_numeric_option ("-gc-write-overlap", + (non_negative_numeric_option ("gc-write-overlap", option_raw_gc_write_overlap, GC_WRITE_OVERLAP_VARIABLE, DEFAULT_GC_WRITE_OVERLAP))); diff --git a/v7/src/runtime/load.scm b/v7/src/runtime/load.scm index 11b9d1c44..e35544a3a 100644 --- a/v7/src/runtime/load.scm +++ b/v7/src/runtime/load.scm @@ -1,6 +1,6 @@ #| -*-Scheme-*- -$Id: load.scm,v 14.62 2002/11/20 19:46:20 cph Exp $ +$Id: load.scm,v 14.63 2002/12/27 03:18:40 cph Exp $ Copyright (c) 1988-2002 Massachusetts Institute of Technology @@ -97,11 +97,11 @@ Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. (else (load-it) unspecific))))))))) (if (pair? filename/s) (let loop ((filenames filename/s)) - (if (null? (cdr filenames)) - (kernel (car filenames) #t) + (if (pair? (cdr filenames)) (begin (kernel (car filenames) #f) - (loop (cdr filenames))))) + (loop (cdr filenames))) + (kernel (car filenames) #t))) (kernel filename/s #t))))))) (define (fasload filename #!optional suppress-loading-message?) @@ -189,12 +189,12 @@ Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. (define (search-types-in-order pathname default-types) (let loop ((types default-types)) - (if (null? types) - (values #f #f) - (let ((pathname (pathname-new-type pathname (caar types)))) - (if (file-exists? pathname) - (values pathname (cadar types)) - (loop (cdr types))))))) + (if (pair? types) + (let ((pathname (pathname-new-type pathname (caar types)))) + (if (file-exists? pathname) + (values pathname (cadar types)) + (loop (cdr types)))) + (values #f #f)))) (define (find-latest-file pathname default-types) (let loop ((types default-types) @@ -386,18 +386,16 @@ Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. (set! generate-suspend-file? #f) (hook/process-command-line ((ucode-primitive get-unused-command-line 0)))) -(define hook/process-command-line) - (define *unused-command-line*) -(define *command-line-parsers* '()) - +(define *command-line-parsers*) (define *load-init-file?*) +(define hook/process-command-line) (define (default/process-command-line unused-command-line) (let ((after-parsing-actions '())) (define (process-keyword command-line unused-options) - (if (not (null? command-line)) + (if (pair? command-line) (let* ((keyword (car command-line)) (place (assoc keyword *command-line-parsers*))) (cond (place @@ -419,25 +417,19 @@ Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. (cons (car command-line) unused-options))))) (let ((unused (reverse unused-options))) - (if (not (null? unused)) + (if (pair? unused) (warn "Unhandled command line options:" unused)) unused))) (define (find-next-keyword command-line unused-options) - (if (null? command-line) - (process-keyword '() unused-options) - (let ((keyword (car command-line))) - (if (or (< (string-length keyword) 2) - (not (char=? (string-ref keyword 0) #\-))) - (find-next-keyword (cdr command-line) - (cons keyword unused-options)) - (process-keyword command-line unused-options))))) - - (if (not unused-command-line) - (begin - (set! *unused-command-line* #f) - (load-init-file)) - + (if (pair? command-line) + (if (option-keyword? (car command-line)) + (process-keyword command-line unused-options) + (find-next-keyword (cdr command-line) + (cons keyword unused-options))) + (process-keyword '() unused-options))) + + (if unused-command-line (begin (set! *unused-command-line*) (fluid-let ((*load-init-file?* #t)) @@ -445,7 +437,14 @@ Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. (process-keyword (vector->list unused-command-line) '())) (for-each (lambda (act) (act)) (reverse after-parsing-actions)) - (if *load-init-file?* (load-init-file))))))) + (if *load-init-file?* (load-init-file)))) + (begin + (set! *unused-command-line* #f) + (load-init-file))))) + +(define (option-keyword? argument) + (and (fix:> (string-length argument) 1) + (char=? #\- (string-ref argument 0)))) (define (load-init-file) (let ((pathname (init-file-pathname))) @@ -453,12 +452,15 @@ Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. (load pathname user-initial-environment))) unspecific) -;; KEYWORD must be a string with at least two characters and the first -;; being a dash (#\-). -;; PROC is a procedure of one argument. It will be invoked on the +;; KEYWORD must be a string with at least one character. For +;; backwards compatibility, the string may have a leading hyphen, +;; which is stripped. +;; +;; PROC is a procedure of one argument. It will be invoked on the ;; list of command line elements extending to the right of the keyword ;; (and including it). -;; PROC returns two values: the sublist starting with the first +;; +;; PROC returns two values: the sublist starting with the first ;; non-handled command-line element (typically the next keyword), and ;; either #F or a procedure to invoke after the whole command line has ;; been parsed (and the init file loaded). Thus PROC has the option @@ -469,80 +471,85 @@ Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. ;; delayed actions. (define (set-command-line-parser! keyword proc) - (if (not (and (string? keyword) - (>= (string-length keyword) 2) - (char=? #\- (string-ref keyword 0)))) - (error:wrong-type-argument keyword - "command-line option keyword" - 'SET-COMMAND-LINE-PARSER!)) - (let ((place (assoc keyword *command-line-parsers*))) - (if place - (set-cdr! place proc) - (begin - (set! *command-line-parsers* - (cons (cons keyword proc) - *command-line-parsers*)) - unspecific)))) + (guarantee-string keyword 'SET-COMMAND-LINE-PARSER!) + (let ((keyword + (let ((end (string-length keyword))) + (let loop ((start 0)) + (cond ((and (fix:< start end) + (char=? #\- (string-ref keyword start))) + (loop (fix:+ start 1))) + ((fix:= start 0) + keyword) + (else + (substring keyword start end))))))) + (if (string-null? keyword) + (error:bad-range-argument keyword 'SET-COMMAND-LINE-PARSER!)) + (let ((place (assoc keyword *command-line-parsers*))) + (if place + (set-cdr! place proc) + (begin + (set! *command-line-parsers* + (cons (cons keyword proc) + *command-line-parsers*)) + unspecific))))) (define (simple-command-line-parser keyword thunk) (set-command-line-parser! keyword - (lambda (command-line) - (values (cdr command-line) thunk)))) + (lambda (command-line) + (values (cdr command-line) thunk)))) ;; Upwards compatibility. (define simple-option-parser simple-command-line-parser) - + (define (argument-command-line-parser keyword multiple? procedure) - (set-command-line-parser! - keyword - (if multiple? - (lambda (command-line) - (for-each-non-keyword (cdr command-line) procedure)) - (lambda (command-line) - (if (null? (cdr command-line)) - (values '() - (lambda () - (warn "Missing argument to command-line option:" - keyword))) - (values (cddr command-line) - (lambda () (procedure (cadr command-line))))))))) + (set-command-line-parser! keyword + (if multiple? + (lambda (command-line) + (for-each-non-keyword (cdr command-line) procedure)) + (lambda (command-line) + (if (pair? (cdr command-line)) + (values (cddr command-line) + (lambda () (procedure (cadr command-line)))) + (values '() + (lambda () + (warn "Missing argument to command-line option:" + (string-append "--" keyword))))))))) (define (for-each-non-keyword command-line processor) (let ((end (lambda (command-line accum) - (if (null? accum) - (values command-line #f) - (let ((objects (reverse accum))) + (if (pair? accum) + (let ((objects (reverse! accum))) (values command-line - (lambda () (for-each processor objects)))))))) + (lambda () (for-each processor objects)))) + (values command-line #f))))) (let loop ((command-line command-line) (accum '())) - (if (null? command-line) - (end '() accum) + (if (pair? command-line) (let ((next (car command-line))) - (if (and (> (string-length next) 0) - (char=? #\- (string-ref next 0))) + (if (option-keyword? next) (end command-line accum) - (loop (cdr command-line) (cons next accum)))))))) - + (loop (cdr command-line) (cons next accum)))) + (end '() accum))))) + (define (initialize-command-line-parsers) - (simple-command-line-parser "-no-init-file" - (lambda () - (set! *load-init-file?* #f) - unspecific)) + (set! *command-line-parsers* '()) + (simple-command-line-parser "no-init-file" + (lambda () + (set! *load-init-file?* #f) + unspecific)) (set! generate-suspend-file? #f) - (simple-command-line-parser "-suspend-file" - (lambda () - (set! generate-suspend-file? #t) - unspecific)) - (simple-command-line-parser "-no-suspend-file" - (lambda () - (set! generate-suspend-file? #f) - unspecific)) - (argument-command-line-parser "-load" #t load) - (argument-command-line-parser "-eval" #t - (lambda (arg) - (eval (with-input-from-string arg read) - user-initial-environment)))) + (simple-command-line-parser "suspend-file" + (lambda () + (set! generate-suspend-file? #t) + unspecific)) + (simple-command-line-parser "no-suspend-file" + (lambda () + (set! generate-suspend-file? #f) + unspecific)) + (argument-command-line-parser "load" #t load) + (argument-command-line-parser "eval" #t + (lambda (arg) + (eval (with-input-from-string arg read) user-initial-environment)))) ;;;; Loader for packed binaries @@ -624,7 +631,7 @@ Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. (define (search-alist path alist predicate?) (let loop ((alist alist)) - (and (not (null? alist)) + (and (pair? alist) (if (predicate? path (cadar alist)) (car alist) (loop (cdr alist))))))