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inform.c
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inform.c
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/* ------------------------------------------------------------------------- */
/* "inform" : The top level of Inform: switches, pathnames, filenaming */
/* conventions, ICL (Inform Command Line) files, main */
/* */
/* Part of Inform 6.43 */
/* copyright (c) Graham Nelson 1993 - 2024 */
/* */
/* ------------------------------------------------------------------------- */
#define MAIN_INFORM_FILE
#include "header.h"
#define CMD_BUF_SIZE (256)
/* ------------------------------------------------------------------------- */
/* Compiler progress */
/* ------------------------------------------------------------------------- */
static int no_compilations;
int endofpass_flag; /* set to TRUE when an "end" directive is reached
(the inputs routines insert one into the stream
if necessary) */
/* ------------------------------------------------------------------------- */
/* Version control */
/* ------------------------------------------------------------------------- */
int version_number, /* 3 to 8 (Z-code) */
instruction_set_number,
/* 3 to 6: versions 7 and 8 use instruction set of
version 5 */
extend_memory_map; /* extend using function- and string-offsets */
int32 scale_factor, /* packed address multiplier */
length_scale_factor; /* length-in-header multiplier */
int32 requested_glulx_version; /* version requested via -v switch */
int32 final_glulx_version; /* requested version combined with game
feature requirements */
extern void select_version(int vn)
{ version_number = vn;
extend_memory_map = FALSE;
if ((version_number==6)||(version_number==7)) extend_memory_map = TRUE;
scale_factor = 4;
if (version_number==3) scale_factor = 2;
if (version_number==8) scale_factor = 8;
length_scale_factor = scale_factor;
if ((version_number==6)||(version_number==7)) length_scale_factor = 8;
instruction_set_number = version_number;
if ((version_number==7)||(version_number==8)) instruction_set_number = 5;
}
static int select_glulx_version(char *str)
{
/* Parse an "X.Y.Z" style version number, and store it for later use. */
char *cx = str;
int major=0, minor=0, patch=0;
while (isdigit((uchar)*cx))
major = major*10 + ((*cx++)-'0');
if (*cx == '.') {
cx++;
while (isdigit((uchar)*cx))
minor = minor*10 + ((*cx++)-'0');
if (*cx == '.') {
cx++;
while (isdigit((uchar)*cx))
patch = patch*10 + ((*cx++)-'0');
}
}
requested_glulx_version = ((major & 0x7FFF) << 16)
+ ((minor & 0xFF) << 8)
+ (patch & 0xFF);
return (cx - str);
}
/* ------------------------------------------------------------------------- */
/* Target: variables which vary between the Z-machine and Glulx */
/* ------------------------------------------------------------------------- */
int WORDSIZE; /* Size of a machine word: 2 or 4 */
int32 MAXINTWORD; /* 0x7FFF or 0x7FFFFFFF */
/* The first property number which is an individual property. The
eight class-system i-props (create, recreate, ... print_to_array)
are numbered from INDIV_PROP_START to INDIV_PROP_START+7.
*/
int INDIV_PROP_START;
/* The length of an object, as written in tables.c. It's easier to define
it here than to repeat the same expression all over the source code.
Not used in Z-code.
*/
int OBJECT_BYTE_LENGTH;
/* The total length of a dict entry, in bytes. Not used in Z-code.
*/
int DICT_ENTRY_BYTE_LENGTH;
/* The position in a dict entry that the flag values begin.
Not used in Z-code.
*/
int DICT_ENTRY_FLAG_POS;
static void select_target(int targ)
{
if (!targ) {
/* Z-machine */
WORDSIZE = 2;
MAXINTWORD = 0x7FFF;
MAX_LOCAL_VARIABLES = 16; /* including "sp" */
if (INDIV_PROP_START != 64) {
INDIV_PROP_START = 64;
fatalerror("You cannot change INDIV_PROP_START in Z-code");
}
if (DICT_WORD_SIZE != 6) {
DICT_WORD_SIZE = 6;
fatalerror("You cannot change DICT_WORD_SIZE in Z-code");
}
if (DICT_CHAR_SIZE != 1) {
DICT_CHAR_SIZE = 1;
fatalerror("You cannot change DICT_CHAR_SIZE in Z-code");
}
if (NUM_ATTR_BYTES != 6) {
NUM_ATTR_BYTES = 6;
fatalerror("You cannot change NUM_ATTR_BYTES in Z-code");
}
}
else {
/* Glulx */
WORDSIZE = 4;
MAXINTWORD = 0x7FFFFFFF;
scale_factor = 0; /* It should never even get used in Glulx */
/* This could really be 120, since the practical limit is the size
of local_variables.keywords. But historically it's been 119. */
MAX_LOCAL_VARIABLES = 119; /* including "sp" */
if (INDIV_PROP_START < 256) {
INDIV_PROP_START = 256;
warning_fmt("INDIV_PROP_START should be at least 256 in Glulx; setting to %d", INDIV_PROP_START);
}
if (NUM_ATTR_BYTES % 4 != 3) {
NUM_ATTR_BYTES += (3 - (NUM_ATTR_BYTES % 4));
warning_fmt("NUM_ATTR_BYTES must be a multiple of four, plus three; increasing to %d", NUM_ATTR_BYTES);
}
if (DICT_CHAR_SIZE != 1 && DICT_CHAR_SIZE != 4) {
DICT_CHAR_SIZE = 4;
warning_fmt("DICT_CHAR_SIZE must be either 1 or 4; setting to %d", DICT_CHAR_SIZE);
}
}
if (MAX_LOCAL_VARIABLES > MAX_KEYWORD_GROUP_SIZE) {
compiler_error("MAX_LOCAL_VARIABLES cannot exceed MAX_KEYWORD_GROUP_SIZE");
MAX_LOCAL_VARIABLES = MAX_KEYWORD_GROUP_SIZE;
}
if (NUM_ATTR_BYTES > MAX_NUM_ATTR_BYTES) {
NUM_ATTR_BYTES = MAX_NUM_ATTR_BYTES;
warning_fmt(
"NUM_ATTR_BYTES cannot exceed MAX_NUM_ATTR_BYTES; resetting to %d",
MAX_NUM_ATTR_BYTES);
/* MAX_NUM_ATTR_BYTES can be increased in header.h without fear. */
}
/* Set up a few more variables that depend on the above values */
if (!targ) {
/* Z-machine */
DICT_WORD_BYTES = DICT_WORD_SIZE;
OBJECT_BYTE_LENGTH = 0;
DICT_ENTRY_BYTE_LENGTH = ((version_number==3)?7:9) - (ZCODE_LESS_DICT_DATA?1:0);
DICT_ENTRY_FLAG_POS = 0;
}
else {
/* Glulx */
OBJECT_BYTE_LENGTH = (1 + (NUM_ATTR_BYTES) + 6*4 + (GLULX_OBJECT_EXT_BYTES));
DICT_WORD_BYTES = DICT_WORD_SIZE*DICT_CHAR_SIZE;
if (DICT_CHAR_SIZE == 1) {
DICT_ENTRY_BYTE_LENGTH = (7+DICT_WORD_BYTES);
DICT_ENTRY_FLAG_POS = (1+DICT_WORD_BYTES);
}
else {
DICT_ENTRY_BYTE_LENGTH = (12+DICT_WORD_BYTES);
DICT_ENTRY_FLAG_POS = (4+DICT_WORD_BYTES);
}
}
if (!targ) {
/* Z-machine */
/* The Z-machine's 96 abbreviations are used for these two purposes.
Make sure they are set consistently. If exactly one has been
set non-default, set the other to match. */
if (MAX_DYNAMIC_STRINGS == 32 && MAX_ABBREVS != 64) {
MAX_DYNAMIC_STRINGS = 96 - MAX_ABBREVS;
}
if (MAX_ABBREVS == 64 && MAX_DYNAMIC_STRINGS != 32) {
MAX_ABBREVS = 96 - MAX_DYNAMIC_STRINGS;
}
if (MAX_ABBREVS + MAX_DYNAMIC_STRINGS != 96
|| MAX_ABBREVS < 0
|| MAX_DYNAMIC_STRINGS < 0) {
warning("MAX_ABBREVS plus MAX_DYNAMIC_STRINGS must be 96 in Z-code; resetting both");
MAX_DYNAMIC_STRINGS = 32;
MAX_ABBREVS = 64;
}
}
}
/* ------------------------------------------------------------------------- */
/* Tracery: output control variables */
/* (These are initially set to foo_trace_setting, but the Trace directive */
/* can change them on the fly) */
/* ------------------------------------------------------------------------- */
int asm_trace_level, /* trace assembly: 0 for off, 1 for assembly
only, 2 for full assembly tracing with hex dumps,
3 for branch shortening info, 4 for verbose
branch info */
expr_trace_level, /* expression tracing: 0 off, 1 on, 2/3 more */
tokens_trace_level; /* lexer output tracing: 0 off, 1 on, 2/3 more */
/* ------------------------------------------------------------------------- */
/* On/off switch variables (by default all FALSE); other switch settings */
/* (Some of these have become numerical settings now) */
/* ------------------------------------------------------------------------- */
int concise_switch, /* -c */
economy_switch, /* -e */
frequencies_setting, /* $!FREQ, -f */
ignore_switches_switch, /* -i */
debugfile_switch, /* -k */
memout_switch, /* $!MEM */
printprops_switch, /* $!PROPS */
printactions_switch, /* $!ACTIONS */
obsolete_switch, /* -q */
transcript_switch, /* -r */
statistics_switch, /* $!STATS, -s */
optimise_switch, /* -u */
version_set_switch, /* -v */
nowarnings_switch, /* -w */
hash_switch, /* -x */
memory_map_setting, /* $!MAP, -z */
oddeven_packing_switch, /* -B */
define_DEBUG_switch, /* -D */
runtime_error_checking_switch, /* -S */
define_INFIX_switch; /* -X */
#ifdef ARC_THROWBACK
int throwback_switch; /* -T */
#endif
#ifdef ARCHIMEDES
int riscos_file_type_format; /* set by -R */
#endif
int compression_switch; /* set by -H */
int character_set_setting, /* set by -C0 through -C9 */
character_set_unicode, /* set by -Cu */
error_format, /* set by -E */
asm_trace_setting, /* $!ASM, -a: initial value of
asm_trace_level */
bpatch_trace_setting, /* $!BPATCH */
symdef_trace_setting, /* $!SYMDEF */
expr_trace_setting, /* $!EXPR: initial value of
expr_trace_level */
tokens_trace_setting, /* $!TOKENS: initial value of
tokens_trace_level */
optabbrevs_trace_setting, /* $!FINDABBREVS */
double_space_setting, /* set by -d: 0, 1 or 2 */
trace_fns_setting, /* $!RUNTIME, -g: 0, 1, 2, or 3 */
files_trace_setting, /* $!FILES */
list_verbs_setting, /* $!VERBS */
list_dict_setting, /* $!DICT */
list_objects_setting, /* $!OBJECTS */
list_symbols_setting, /* $!SYMBOLS */
store_the_text; /* when set, record game text to a chunk
of memory (used by -u) */
static int r_e_c_s_set; /* has -S been explicitly set? */
int glulx_mode; /* -G */
static void reset_switch_settings(void)
{ asm_trace_setting = 0;
tokens_trace_setting = 0;
expr_trace_setting = 0;
bpatch_trace_setting = 0;
symdef_trace_setting = 0;
list_verbs_setting = 0;
list_dict_setting = 0;
list_objects_setting = 0;
list_symbols_setting = 0;
store_the_text = FALSE;
concise_switch = FALSE;
double_space_setting = 0;
economy_switch = FALSE;
files_trace_setting = 0;
frequencies_setting = 0;
trace_fns_setting = 0;
ignore_switches_switch = FALSE;
debugfile_switch = FALSE;
memout_switch = 0;
printprops_switch = 0;
printactions_switch = 0;
obsolete_switch = FALSE;
transcript_switch = FALSE;
statistics_switch = FALSE;
optimise_switch = FALSE;
optabbrevs_trace_setting = 0;
version_set_switch = FALSE;
nowarnings_switch = FALSE;
hash_switch = FALSE;
memory_map_setting = 0;
oddeven_packing_switch = FALSE;
define_DEBUG_switch = FALSE;
#ifdef ARC_THROWBACK
throwback_switch = FALSE;
#endif
runtime_error_checking_switch = TRUE;
r_e_c_s_set = FALSE;
define_INFIX_switch = FALSE;
#ifdef ARCHIMEDES
riscos_file_type_format = 0;
#endif
error_format=DEFAULT_ERROR_FORMAT;
character_set_setting = 1; /* Default is ISO Latin-1 */
character_set_unicode = FALSE;
compression_switch = TRUE;
glulx_mode = FALSE;
requested_glulx_version = 0;
final_glulx_version = 0;
/* These aren't switches, but for clarity we reset them too. */
asm_trace_level = 0;
expr_trace_level = 0;
tokens_trace_level = 0;
}
/* ------------------------------------------------------------------------- */
/* Number of files given as command line parameters (0, 1 or 2) */
/* ------------------------------------------------------------------------- */
static int cli_files_specified,
convert_filename_flag;
char Source_Name[PATHLEN]; /* Processed name of first input file */
char Code_Name[PATHLEN]; /* Processed name of output file */
static char *cli_file1, *cli_file2; /* Unprocessed (and unsafe to alter) */
/* ========================================================================= */
/* Data structure management routines */
/* ------------------------------------------------------------------------- */
static void init_vars(void)
{
init_arrays_vars();
init_asm_vars();
init_bpatch_vars();
init_chars_vars();
init_directs_vars();
init_errors_vars();
init_expressc_vars();
init_expressp_vars();
init_files_vars();
init_lexer_vars();
init_memory_vars();
init_objects_vars();
init_states_vars();
init_symbols_vars();
init_syntax_vars();
init_tables_vars();
init_text_vars();
init_veneer_vars();
init_verbs_vars();
}
static void begin_pass(void)
{
arrays_begin_pass();
asm_begin_pass();
bpatch_begin_pass();
chars_begin_pass();
directs_begin_pass();
errors_begin_pass();
expressc_begin_pass();
expressp_begin_pass();
files_begin_pass();
endofpass_flag = FALSE;
expr_trace_level = expr_trace_setting;
asm_trace_level = asm_trace_setting;
tokens_trace_level = tokens_trace_setting;
lexer_begin_pass();
memory_begin_pass();
objects_begin_pass();
states_begin_pass();
symbols_begin_pass();
syntax_begin_pass();
tables_begin_pass();
text_begin_pass();
veneer_begin_pass();
verbs_begin_pass();
/* Compile a Main__ routine (see "veneer.c") */
compile_initial_routine();
/* Make the four metaclasses: Class must be object number 1, so
it must come first */
veneer_mode = TRUE;
make_class("Class");
make_class("Object");
make_class("Routine");
make_class("String");
veneer_mode = FALSE;
}
extern void allocate_arrays(void)
{
arrays_allocate_arrays();
asm_allocate_arrays();
bpatch_allocate_arrays();
chars_allocate_arrays();
directs_allocate_arrays();
errors_allocate_arrays();
expressc_allocate_arrays();
expressp_allocate_arrays();
files_allocate_arrays();
lexer_allocate_arrays();
memory_allocate_arrays();
objects_allocate_arrays();
states_allocate_arrays();
symbols_allocate_arrays();
syntax_allocate_arrays();
tables_allocate_arrays();
text_allocate_arrays();
veneer_allocate_arrays();
verbs_allocate_arrays();
}
extern void free_arrays(void)
{
/* One array may survive this routine, all_the_text (used to hold
game text until the abbreviations optimiser begins work on it): this
array (if it was ever allocated) is freed at the top level. */
arrays_free_arrays();
asm_free_arrays();
bpatch_free_arrays();
chars_free_arrays();
directs_free_arrays();
errors_free_arrays();
expressc_free_arrays();
expressp_free_arrays();
files_free_arrays();
lexer_free_arrays();
memory_free_arrays();
objects_free_arrays();
states_free_arrays();
symbols_free_arrays();
syntax_free_arrays();
tables_free_arrays();
text_free_arrays();
veneer_free_arrays();
verbs_free_arrays();
}
/* ------------------------------------------------------------------------- */
/* Name translation code for filenames */
/* ------------------------------------------------------------------------- */
static char Source_Path[PATHLEN];
static char Include_Path[PATHLEN];
static char Code_Path[PATHLEN];
static char current_source_path[PATHLEN];
char Debugging_Name[PATHLEN];
char Transcript_Name[PATHLEN];
char Language_Name[PATHLEN];
char Charset_Map[PATHLEN];
static char ICL_Path[PATHLEN];
/* Set one of the above Path buffers to the given location, or list of
locations. (A list is comma-separated, and only accepted for Source_Path,
Include_Path, ICL_Path.)
*/
static void set_path_value(char *path, char *value)
{ int i, j;
for (i=0, j=0;;)
{
if (i >= PATHLEN-1) {
printf("A specified path is longer than %d characters.\n",
PATHLEN-1);
exit(1);
}
if ((value[j] == FN_ALT) || (value[j] == 0))
{ if ((value[j] == FN_ALT)
&& (path != Source_Path) && (path != Include_Path)
&& (path != ICL_Path))
{ printf("The character '%c' is used to divide entries in a list \
of possible locations, and can only be used in the Include_Path, Source_Path \
or ICL_Path variables. Other paths are for output only.\n", FN_ALT);
exit(1);
}
if ((path != Debugging_Name) && (path != Transcript_Name)
&& (path != Language_Name) && (path != Charset_Map)
&& (i>0) && (isalnum((uchar)path[i-1]))) path[i++] = FN_SEP;
path[i++] = value[j++];
if (value[j-1] == 0) return;
}
else path[i++] = value[j++];
}
}
/* Prepend the given location or list of locations to one of the above
Path buffers. This is only permitted for Source_Path, Include_Path,
ICL_Path.
An empty field (in the comma-separated list) means the current
directory. If the Path buffer is entirely empty, we assume that
we want to search both value and the current directory, so
the result will be "value,".
*/
static void prepend_path_value(char *path, char *value)
{
int i, j;
int oldlen = strlen(path);
int newlen;
char new_path[PATHLEN];
if ((path != Source_Path) && (path != Include_Path)
&& (path != ICL_Path))
{ printf("The character '+' is used to add to a list \
of possible locations, and can only be used in the Include_Path, Source_Path \
or ICL_Path variables. Other paths are for output only.\n");
exit(1);
}
for (i=0, j=0;;)
{
if (i >= PATHLEN-1) {
printf("A specified path is longer than %d characters.\n",
PATHLEN-1);
exit(1);
}
if ((value[j] == FN_ALT) || (value[j] == 0))
{ if ((path != Debugging_Name) && (path != Transcript_Name)
&& (path != Language_Name) && (path != Charset_Map)
&& (i>0) && (isalnum((uchar)new_path[i-1]))) new_path[i++] = FN_SEP;
new_path[i++] = value[j++];
if (value[j-1] == 0) {
newlen = i-1;
break;
}
}
else new_path[i++] = value[j++];
}
if (newlen+1+oldlen >= PATHLEN-1) {
printf("A specified path is longer than %d characters.\n",
PATHLEN-1);
exit(1);
}
i = newlen;
new_path[i++] = FN_ALT;
for (j=0; j<oldlen;)
new_path[i++] = path[j++];
new_path[i] = 0;
strcpy(path, new_path);
}
static void set_default_paths(void)
{
set_path_value(Source_Path, Source_Directory);
set_path_value(Include_Path, Include_Directory);
set_path_value(Code_Path, Code_Directory);
set_path_value(ICL_Path, ICL_Directory);
set_path_value(Debugging_Name, Debugging_File);
set_path_value(Transcript_Name, Transcript_File);
set_path_value(Language_Name, Default_Language);
set_path_value(Charset_Map, "");
}
/* Parse a path option which looks like "dir", "+dir", "pathname=dir",
or "+pathname=dir". If there is no "=", we assume "include_path=...".
If the option begins with a "+" the directory is prepended to the
existing path instead of replacing it.
*/
static void set_path_command(char *command)
{ int i, j; char *path_to_set = NULL;
int prepend = 0;
if (command[0] == '+') {
prepend = 1;
command++;
}
for (i=0; (command[i]!=0) && (command[i]!='=');i++) ;
path_to_set=Include_Path;
if (command[i] == '=') {
char pathname[PATHLEN];
if (i>=PATHLEN) i=PATHLEN-1;
for (j=0;j<i;j++) {
char ch = command[j];
if (isupper(ch)) ch=tolower(ch);
pathname[j]=ch;
}
pathname[j]=0;
command = command+i+1;
path_to_set = NULL;
if (strcmp(pathname, "source_path")==0) path_to_set=Source_Path;
if (strcmp(pathname, "include_path")==0) path_to_set=Include_Path;
if (strcmp(pathname, "code_path")==0) path_to_set=Code_Path;
if (strcmp(pathname, "icl_path")==0) path_to_set=ICL_Path;
if (strcmp(pathname, "debugging_name")==0) path_to_set=Debugging_Name;
if (strcmp(pathname, "transcript_name")==0) path_to_set=Transcript_Name;
if (strcmp(pathname, "language_name")==0) path_to_set=Language_Name;
if (strcmp(pathname, "charset_map")==0) path_to_set=Charset_Map;
if (path_to_set == NULL)
{ printf("No such path setting as \"%s\"\n", pathname);
exit(1);
}
}
if (!prepend)
set_path_value(path_to_set, command);
else
prepend_path_value(path_to_set, command);
}
static int contains_separator(char *name)
{ int i;
for (i=0; name[i]!=0; i++)
if (name[i] == FN_SEP) return 1;
return 0;
}
static int write_translated_name(char *new_name, char *old_name,
char *prefix_path, int start_pos,
char *extension)
{ int x;
if (strlen(old_name)+strlen(extension) >= PATHLEN) {
printf("One of your filenames is longer than %d characters.\n", PATHLEN);
exit(1);
}
if (prefix_path == NULL)
{ sprintf(new_name,"%s%s", old_name, extension);
return 0;
}
strcpy(new_name, prefix_path + start_pos);
for (x=0; (new_name[x]!=0) && (new_name[x]!=FN_ALT); x++) ;
if (new_name[x] == 0) start_pos = 0; else start_pos += x+1;
if (x+strlen(old_name)+strlen(extension) >= PATHLEN) {
printf("One of your pathnames is longer than %d characters.\n", PATHLEN);
exit(1);
}
sprintf(new_name + x, "%s%s", old_name, extension);
return start_pos;
}
#ifdef FILE_EXTENSIONS
static char *check_extension(char *name, char *extension)
{ int i;
/* If a filename ends in '.', remove the dot and add no file extension: */
i = strlen(name)-1;
if (name[i] == '.') { name[i]=0; return ""; }
/* Remove the new extension if it's already got one: */
for (; (i>=0) && (name[i]!=FN_SEP); i--)
if (name[i] == '.') return "";
return extension;
}
#endif
/* ------------------------------------------------------------------------- */
/* Three translation routines have to deal with path variables which may */
/* contain alternative locations separated by the FN_ALT character. */
/* These have the protocol: */
/* */
/* int translate_*_filename(int last_value, ...) */
/* */
/* and should first be called with last_value equal to 0. If the */
/* translated filename works, fine. Otherwise, if the returned integer */
/* was zero, the caller knows that no filename works and can issue an */
/* error message. If it was non-zero, the caller should pass it on as */
/* the last_value again. */
/* */
/* As implemented below, last_value is the position in the path variable */
/* string at which the next directory name to try begins. */
/* ------------------------------------------------------------------------- */
extern int translate_in_filename(int last_value,
char *new_name, char *old_name,
int same_directory_flag, int command_line_flag)
{ char *prefix_path = NULL;
char *extension;
int add_path_flag = 1;
int i;
if ((same_directory_flag==0)
&& (contains_separator(old_name)==1)) add_path_flag=0;
if (add_path_flag==1)
{ if (command_line_flag == 0)
{ /* File is opened as a result of an Include directive */
if (same_directory_flag==1)
prefix_path = current_source_path;
else
if (Include_Path[0]!=0) prefix_path = Include_Path;
}
/* Main file being opened from the command line */
else if (Source_Path[0]!=0) prefix_path = Source_Path;
}
#ifdef FILE_EXTENSIONS
/* Which file extension is expected? */
if ((command_line_flag==1)||(same_directory_flag==1))
extension = Source_Extension;
else
extension = Include_Extension;
extension = check_extension(old_name, extension);
#else
extension = "";
#endif
last_value = write_translated_name(new_name, old_name,
prefix_path, last_value, extension);
/* Set the "current source path" (for use of Include ">...") */
if (command_line_flag==1)
{ strcpy(current_source_path, new_name);
for (i=strlen(current_source_path)-1;
((i>0)&&(current_source_path[i]!=FN_SEP));i--) ;
if (i!=0) current_source_path[i+1] = 0; /* Current file in subdir */
else current_source_path[0] = 0; /* Current file at root dir */
}
return last_value;
}
static int translate_icl_filename(int last_value,
char *new_name, char *old_name)
{ char *prefix_path = NULL;
char *extension = "";
if (contains_separator(old_name)==0)
if (ICL_Path[0]!=0)
prefix_path = ICL_Path;
#ifdef FILE_EXTENSIONS
extension = check_extension(old_name, ICL_Extension);
#endif
return write_translated_name(new_name, old_name,
prefix_path, last_value, extension);
}
extern void translate_out_filename(char *new_name, char *old_name)
{ char *prefix_path;
char *extension = "";
int i;
/* If !convert_filename_flag, then the old_name is just the <file2>
parameter on the Inform command line, which we leave alone. */
if (!convert_filename_flag)
{ strcpy(new_name, old_name); return;
}
/* Remove any pathname or extension in <file1>. */
if (contains_separator(old_name)==1)
{ for (i=strlen(old_name)-1; (i>0)&&(old_name[i]!=FN_SEP) ;i--) { };
if (old_name[i]==FN_SEP) i++;
old_name += i;
}
#ifdef FILE_EXTENSIONS
for (i=strlen(old_name)-1; (i>=0)&&(old_name[i]!='.') ;i--) ;
if (old_name[i] == '.') old_name[i] = 0;
#endif
prefix_path = NULL;
if (!glulx_mode) {
switch(version_number)
{ case 3: extension = Code_Extension; break;
case 4: extension = V4Code_Extension; break;
case 5: extension = V5Code_Extension; break;
case 6: extension = V6Code_Extension; break;
case 7: extension = V7Code_Extension; break;
case 8: extension = V8Code_Extension; break;
}
}
else {
extension = GlulxCode_Extension;
}
if (Code_Path[0]!=0) prefix_path = Code_Path;
#ifdef FILE_EXTENSIONS
extension = check_extension(old_name, extension);
#endif
write_translated_name(new_name, old_name, prefix_path, 0, extension);
}
static char *name_or_unset(char *p)
{ if (p[0]==0) return "(unset)";
return p;
}
static void help_on_filenames(void)
{ char old_name[PATHLEN];
char new_name[PATHLEN];
int x;
printf("Help information on filenames:\n\n");
printf(
"The command line can take one of two forms:\n\n\
inform [commands...] <file1>\n\
inform [commands...] <file1> <file2>\n\n\
Inform translates <file1> into a source file name (see below) for its input.\n\
<file2> is usually omitted: if so, the output filename is made from <file1>\n\
by cutting out the name part and translating that (see below).\n\
If <file2> is given, however, the output filename is set to just <file2>\n\
(not altered in any way).\n\n");
printf(
"Filenames given in the game source (with commands like Include \"name\")\n\
are also translated by the rules below.\n\n");
printf(
"Rules of translation:\n\n\
Inform translates plain filenames (such as \"xyzzy\") into full pathnames\n\
(such as \"adventure%cgames%cxyzzy\") according to the following rules.\n\n\
1. If the name contains a '%c' character (so it's already a pathname), it\n\
isn't changed.\n\n", FN_SEP, FN_SEP, FN_SEP);
printf(
" [Exception: when the name is given in an Include command using the >\n\
form (such as Include \">prologue\"), the \">\" is replaced by the path\n\
of the file doing the inclusion");
#ifdef FILE_EXTENSIONS
printf(" and a suitable file extension is added");
#endif
printf(".]\n\n");
printf(
" Filenames must never contain double-quotation marks \". To use filenames\n\
which contain spaces, write them in double-quotes: for instance,\n\n\
\"inform +code_path=\"Jigsaw Final Version\" jigsaw\".\n\n");
printf(
"2. The file is looked for at a particular \"path\" (the filename of a\n\
directory), depending on what kind of file it is.\n\n\
File type Name Current setting\n\n\
Source code (in) source_path %s\n\
Include file (in) include_path %s\n\
Story file (out) code_path %s\n",
name_or_unset(Source_Path), name_or_unset(Include_Path),
name_or_unset(Code_Path));
printf(
" ICL command file (in) icl_path %s\n\n",
name_or_unset(ICL_Path));
printf(
" If the path is unset, then the current working directory is used (so\n\
the filename doesn't change): if, for instance, include_path is set to\n\
\"backup%coldlib\" then when \"parser\" is included it is looked for at\n\
\"backup%coldlib%cparser\".\n\n\
The paths can be set or unset on the Inform command line by, eg,\n\
\"inform +code_path=finished jigsaw\" or\n\
\"inform +include_path= balances\" (which unsets include_path).\n\n",
FN_SEP, FN_SEP, FN_SEP);
printf(
" The four input path variables can be set to lists of alternative paths\n\
separated by '%c' characters: these alternatives are always tried in\n\
the order they are specified in, that is, left to right through the text\n\
in the path variable.\n\n",
FN_ALT);
printf(
" If two '+' signs are used (\"inform ++include_path=dir jigsaw\") then\n\
the path or paths are added to the existing list.\n\n");
printf(
" (It is an error to give alternatives at all for purely output paths.)\n\n");
#ifdef FILE_EXTENSIONS
printf("3. The following file extensions are added:\n\n\
Source code: %s\n\
Include files: %s\n\
Story files: %s (Version 3), %s (v4), %s (v5, the default),\n\
%s (v6), %s (v7), %s (v8), %s (Glulx)\n\n",
Source_Extension, Include_Extension,
Code_Extension, V4Code_Extension, V5Code_Extension, V6Code_Extension,
V7Code_Extension, V8Code_Extension, GlulxCode_Extension);
printf("\
except that any extension you give (on the command line or in a filename\n\
used in a program) will override these. If you give the null extension\n\
\".\" then Inform uses no file extension at all (removing the \".\").\n\n");
#endif
printf("Names of four individual files can also be set using the same\n\
+ command notation (though they aren't really pathnames). These are:\n\n\
transcript_name (text written by -r switch): now \"%s\"\n\
debugging_name (data written by -k switch): now \"%s\"\n\
language_name (library file defining natural language of game):\n\
now \"%s\"\n\
charset_map (file for character set mapping): now \"%s\"\n\n",
Transcript_Name, Debugging_Name, Language_Name, Charset_Map);
translate_in_filename(0, new_name, "rezrov", 0, 1);
printf("Examples: 1. \"inform rezrov\"\n\
the source code is read from \"%s\"\n",
new_name);
convert_filename_flag = TRUE;
translate_out_filename(new_name, "rezrov");
printf(" and a story file is compiled to \"%s\".\n\n", new_name);
sprintf(old_name, "demos%cplugh", FN_SEP);
printf("2. \"inform %s\"\n", old_name);
translate_in_filename(0, new_name, old_name, 0, 1);
printf(" the source code is read from \"%s\"\n", new_name);
sprintf(old_name, "demos%cplugh", FN_SEP);
convert_filename_flag = TRUE;
translate_out_filename(new_name, old_name);
printf(" and a story file is compiled to \"%s\".\n\n", new_name);
printf("3. \"inform plover my_demo\"\n");
translate_in_filename(0, new_name, "plover", 0, 1);
printf(" the source code is read from \"%s\"\n", new_name);
convert_filename_flag = FALSE;
translate_out_filename(new_name, "my_demo");
printf(" and a story file is compiled to \"%s\".\n\n", new_name);
strcpy(old_name, Source_Path);
sprintf(new_name, "%cnew%cold%crecent%cold%cancient",
FN_ALT, FN_ALT, FN_SEP, FN_ALT, FN_SEP);
printf("4. \"inform +source_path=%s zooge\"\n", new_name);
printf(
" Note that four alternative paths are given, the first being the empty\n\
path-name (meaning: where you are now). Inform looks for the source code\n\
by trying these four places in turn, stopping when it finds anything:\n\n");
set_path_value(Source_Path, new_name);
x = 0;
do
{ x = translate_in_filename(x, new_name, "zooge", 0, 1);
printf(" \"%s\"\n", new_name);
} while (x != 0);
strcpy(Source_Path, old_name);
}
#ifdef ARCHIMEDES
static char riscos_ft_buffer[4];
extern char *riscos_file_type(void)
{
if (riscos_file_type_format == 1)
{
return("11A");
}
sprintf(riscos_ft_buffer, "%03x", 0x60 + version_number);
return(riscos_ft_buffer);
}
#endif
/* ------------------------------------------------------------------------- */
/* The compilation pass */