return iter;
}
-#if DEBUGGING
+#if DEBUGGING
/* Writes a printable representation of the current token to
stdout. */
void
{
switch (token)
{
+ case T_TSTRING:
+ printf ("TR_STRING\t\"%s\"\n", tokstr);
+ break;
case T_STRING:
printf ("STRING\t\"%s\"\n", tokstr);
break;
fail ("%s: Unexpected end of file.", ifn);
}
- if (*cp == '_' || isalnum ((unsigned char) *cp))
- {
- char *dest = tokstr;
- token = T_ID;
- while (*cp == '_' || isalnum ((unsigned char) *cp))
- *dest++ = toupper ((unsigned char) (*cp++));
- *dest++ = '\0';
- }
- else if (*cp == '"')
+ if (*cp == '"')
{
char *dest = tokstr;
token = T_STRING;
error ("Unterminated string literal.");
cp++;
}
+ else if (*cp == '_' || isalnum ((unsigned char) *cp))
+ {
+ char *dest = tokstr;
+ token = T_ID;
+ while (*cp == '_' || isalnum ((unsigned char) *cp))
+ *dest++ = toupper ((unsigned char) (*cp++));
+ *dest++ = '\0';
+ }
else
token = *cp++;
const char *prefix; /* Prefix for variable and constant names. */
specifier *spec; /* Array of specifiers. */
- /* SBC_STRING only. */
+ /* SBC_STRING and SBC_INT only. */
char *restriction; /* Expression restricting string length. */
char *message; /* Error message. */
+ int translatable; /* Error message is translatable */
+ };
+
+typedef struct aux_subcommand aux_subcommand;
+struct aux_subcommand
+ {
+ aux_subcommand *next; /* Next in the chain. */
+ char *name; /* Subcommand name. */
+ char *value; /* Subcommand value */
};
+static aux_subcommand *aux_subcommands ;
+
/* Name of the command; i.e., DESCRIPTIVES. */
char *cmdname;
sbc->narray = 0;
sbc->type = SBC_PLAIN;
sbc->spec = NULL;
+ sbc->translatable = 0;
if (match_token ('['))
{
sbc->type = SBC_VARLIST;
}
else if (match_id ("INTEGER"))
+ {
sbc->type = match_id ("LIST") ? SBC_INT_LIST : SBC_INT;
+ if ( token == T_STRING)
+ {
+ sbc->restriction = xstrdup (tokstr);
+ lex_get ();
+ if ( match_id("N_") )
+ {
+ skip_token('(');
+ force_string ();
+ lex_get();
+ skip_token(')');
+ sbc->translatable = 1;
+ }
+ else {
+ force_string ();
+ lex_get ();
+ }
+ sbc->message = xstrdup (tokstr);
+ }
+ else
+ sbc->restriction = NULL;
+ }
else if (match_id ("PINT"))
sbc->type = SBC_PINT;
else if (match_id ("DOUBLE"))
/* Write code to initialize all variables. */
static void
-dump_vars_init (void)
+dump_vars_init (int persistent)
{
/* Loop through all the subcommands. */
{
subcommand *sbc;
-
+
for (sbc = subcommands; sbc; sbc = sbc->next)
{
int f = 0;
dump (0, "p->sbc_%s = 0;", st_lower (sbc->name));
- switch (sbc->type)
+ if ( ! persistent )
{
- case SBC_DBL:
- case SBC_INT_LIST:
- case SBC_DBL_LIST:
- case SBC_CUSTOM:
- /* nothing */
- break;
+ switch (sbc->type)
+ {
+ case SBC_DBL:
+ case SBC_INT_LIST:
+ case SBC_DBL_LIST:
+ case SBC_CUSTOM:
+ /* nothing */
+ break;
- case SBC_PLAIN:
- case SBC_ARRAY:
- {
- specifier *spec;
+ case SBC_PLAIN:
+ case SBC_ARRAY:
+ {
+ specifier *spec;
- for (spec = sbc->spec; spec; spec = spec->next)
- if (spec->s == NULL)
- {
- if (sbc->type == SBC_PLAIN)
- dump (0, "p->%s%s = 0;", sbc->prefix, spec->varname);
- else if (f == 0)
+ for (spec = sbc->spec; spec; spec = spec->next)
+ if (spec->s == NULL)
{
- dump (0, "memset (p->a_%s, 0, sizeof p->a_%s);",
- st_lower (sbc->name), st_lower (sbc->name));
- f = 1;
+ if (sbc->type == SBC_PLAIN)
+ dump (0, "p->%s%s = 0;", sbc->prefix, spec->varname);
+ else if (f == 0)
+ {
+ dump (0, "memset (p->a_%s, 0, sizeof p->a_%s);",
+ st_lower (sbc->name), st_lower (sbc->name));
+ f = 1;
+ }
}
- }
- else
- dump_specifier_init (spec, sbc);
- }
- break;
-
- case SBC_VARLIST:
- dump (0, "p->%sn_%s = 0;",
- st_lower (sbc->prefix), st_lower (sbc->name));
- dump (0, "p->%sv_%s = NULL;",
- st_lower (sbc->prefix), st_lower (sbc->name));
- break;
+ else
+ dump_specifier_init (spec, sbc);
+ }
+ break;
+
+ case SBC_VARLIST:
+ dump (0, "p->%sn_%s = 0;",
+ st_lower (sbc->prefix), st_lower (sbc->name));
+ dump (0, "p->%sv_%s = NULL;",
+ st_lower (sbc->prefix), st_lower (sbc->name));
+ break;
- case SBC_VAR:
- dump (0, "p->%sv_%s = NULL;",
- st_lower (sbc->prefix), st_lower (sbc->name));
- break;
-
- case SBC_STRING:
- dump (0, "p->s_%s = NULL;", st_lower (sbc->name));
- break;
-
- case SBC_INT:
- case SBC_PINT:
- dump (0, "p->n_%s = NOT_LONG;", st_lower (sbc->name));
- break;
-
- default:
- assert (0);
+ case SBC_VAR:
+ dump (0, "p->%sv_%s = NULL;",
+ st_lower (sbc->prefix), st_lower (sbc->name));
+ break;
+
+ case SBC_STRING:
+ dump (0, "p->s_%s = NULL;", st_lower (sbc->name));
+ break;
+
+ case SBC_INT:
+ case SBC_PINT:
+ dump (0, "p->n_%s = NOT_LONG;", st_lower (sbc->name));
+ break;
+
+ default:
+ assert (0);
+ }
}
}
}
dump (-1, "}");
outdent ();
}
+ dump (0, "free(p->s_%s);", st_lower(sbc->name) );
dump (0, "p->s_%s = xstrdup (ds_value (&tokstr));",
st_lower (sbc->name));
dump (0, "lex_get ();");
}
else if (sbc->type == SBC_INT)
{
+ dump(1, "{");
+ dump(0, "int x;");
dump (1, "if (!lex_force_int ())");
dump (0, "goto lossage;");
- dump (-1, "p->n_%s = lex_integer ();", st_lower (sbc->name));
+ dump (-1, "x = lex_integer ();");
dump (0, "lex_get();");
+ if (sbc->restriction)
+ {
+ char buf[1024];
+ dump (1, "if (!(%s))", sbc->restriction);
+ dump (1, "{");
+ sprintf(buf,sbc->message,sbc->name);
+ if ( sbc->translatable )
+ dump (0, "msg (SE, gettext(\"%s\"));",buf);
+ else
+ dump (0, "msg (SE, \"%s\");",buf);
+ dump (0, "goto lossage;");
+ dump (-1, "}");
+ }
+ dump (-1, "p->n_%s = x;", st_lower (sbc->name));
+ dump (-1,"}");
}
else if (sbc->type == SBC_PINT)
{
/* Write out entire parser. */
static void
-dump_parser (void)
+dump_parser (int persistent)
{
int f;
make_identifier (cmdname));
dump (1, "{");
- dump_vars_init ();
+ dump_vars_init (persistent);
dump (1, "for (;;)");
dump (1, "{");
dump (0, nullstr);
}
+
+/* Write out the code to parse aux subcommand SBC. */
+static void
+dump_aux_subcommand (const subcommand *sbc)
+{
+ if (sbc->type == SBC_PLAIN )
+ {
+ specifier *spec;
+
+ for (spec = sbc->spec; spec; spec = spec->next)
+ {
+ char buf[80];
+ sprintf(buf,"p->%s%s",st_lower(sbc->prefix),spec->varname);
+
+ dump (0, "msg(MM,\"%s is %%s\",",sbc->name);
+ dump (0, "(%s < 1000)?\"not set\":settings[%s - 1000]", buf, buf);
+
+ dump (0, ");");
+ }
+ }
+ else if (sbc->type == SBC_STRING)
+ {
+ dump (0, "msg(MM,\"%s is \\\"%%s\\\"\",p->s_%s);", sbc->name,st_lower(sbc->name) );
+ }
+ else if (sbc->type == SBC_INT)
+ {
+ dump (0, "msg(MM,\"%s is %%ld\",p->n_%s);", sbc->name,st_lower(sbc->name) );
+ }
+ else if (sbc->type == SBC_CUSTOM)
+ {
+ dump (0, "aux_%scustom_%s(p);",st_lower(prefix),make_identifier(sbc->name));
+ }
+ else
+ assert(0);
+}
+
+
+
+/* Write out auxilliary parser. */
+static void
+dump_aux_parser (void)
+{
+ int f=0;
+ subcommand *sbc;
+ aux_subcommand *asbc;
+
+ /* Write out English strings for all the identifiers in the symbol table. */
+ {
+ int f, k;
+ symbol *sym;
+ char *buf = NULL;
+
+ /* Note the squirmings necessary to make sure that the last string
+ is not followed by a comma (is it necessary to do that ?? ) */
+ for (sym = symtab, f = k = 0; sym; sym = sym->next)
+ if (!sym->unique && !is_keyword (sym->name))
+ {
+ if (!f)
+ {
+ dump (0, "/* Strings for subcommand specifiers. */");
+ dump (1, "static const char *settings[]=");
+ dump (1, "{");
+ f = 1;
+ }
+
+ if (buf == NULL)
+ buf = xmalloc (1024);
+ else
+ dump (0, buf);
+
+ sprintf (buf, "\"%s\",",sym->name);
+ }
+ if (buf)
+ {
+ buf[strlen (buf) - 1] = 0;
+ dump (0, buf);
+ free (buf);
+ }
+ if (f)
+ {
+ dump (-1, "};");
+ dump (-1, nullstr);
+ }
+ }
+
+
+ indent = 0;
+
+ dump (0, "static int");
+ dump (0, "aux_parse_%s (struct cmd_%s *p)", make_identifier (cmdname),
+ make_identifier (cmdname));
+ dump (1, "{");
+
+ dump (1, "for (;;)");
+ dump (1, "{");
+
+
+ for (sbc = subcommands; sbc; sbc = sbc->next)
+ {
+ dump (1, "%sif (%s)", f ? "else " : "", make_match (sbc->name));
+ f = 1;
+ dump (1, "{");
+
+ dump_aux_subcommand (sbc);
+
+ dump (-1, "}");
+ outdent ();
+ }
+
+ for (asbc = aux_subcommands ; asbc ; asbc = asbc->next)
+ {
+ dump (1, "%sif (%s)", f ? "else " : "", make_match (asbc->name));
+ f = 1;
+ dump (1, "{");
+ dump(0,"aux_%s();",make_identifier(asbc->value));
+ dump (-1, "}");
+ outdent ();
+ }
+
+ dump (1, "if (!lex_match ('/'))");
+ dump (0, "break;");
+ dump (-2, "}");
+ outdent ();
+ dump (0, nullstr);
+ dump (1, "if (token != '.')");
+ dump (1, "{");
+ dump (0, "lex_error (_(\"expecting end of command\"));");
+ dump (0, "goto lossage;");
+ dump (-1, "}");
+ dump (0, nullstr);
+ dump (-1, "return 1;");
+ dump (0, nullstr);
+ dump (-1, "lossage:");
+ indent ();
+ dump (0, "free_%s (p);", make_identifier (cmdname));
+ dump (0, "return 0;");
+ dump (-1, "} /* aux_parse_%s (struct cmd_%s *p) */",
+ make_identifier (cmdname), make_identifier (cmdname));
+ dump (0, nullstr);
+}
+
+
/* Write the output file header. */
static void
dump_header (void)
/* Write out commands to free variable state. */
static void
-dump_free (void)
+dump_free (int persistent)
{
subcommand *sbc;
int used;
indent = 0;
used = 0;
- for (sbc = subcommands; sbc; sbc = sbc->next)
- if (sbc->type == SBC_STRING)
- used = 1;
+ if ( ! persistent )
+ {
+ for (sbc = subcommands; sbc; sbc = sbc->next)
+ if (sbc->type == SBC_STRING)
+ used = 1;
+ }
dump (0, "static void");
dump (0, "free_%s (struct cmd_%s *p%s)", make_identifier (cmdname),
make_identifier (cmdname), used ? "" : " UNUSED");
dump (1, "{");
- for (sbc = subcommands; sbc; sbc = sbc->next)
- if (sbc->type == SBC_STRING)
- dump (0, "free (p->s_%s);", st_lower (sbc->name));
+ if ( ! persistent )
+ {
+
+ for (sbc = subcommands; sbc; sbc = sbc->next)
+ if (sbc->type == SBC_STRING)
+ dump (0, "free (p->s_%s);", st_lower (sbc->name));
+ }
dump (-1, "}");
+
}
+
+
/* Returns the name of a directive found on the current input line, if
any, or a null pointer if none found. */
static const char *
return directive;
}
+static void aux_parse (void);
+
int
main (int argc, char *argv[])
{
dump_declarations ();
else if (!strcmp (directive, "functions"))
{
- dump_parser ();
- dump_free ();
+ dump_parser (0);
+ dump_free (0);
+ }
+ else if (!strcmp (directive, "_functions"))
+ {
+ dump_parser (1);
+ dump_free (1);
+ }
+ else if (!strcmp (directive, "aux_functions"))
+ {
+ aux_parse();
+ dump_aux_parser ();
}
else
error ("unknown directive `%s'", directive);
return EXIT_SUCCESS;
}
+/* Parse an entire auxilliary specification. */
+static void
+aux_parse (void)
+{
+ aux_subcommand *sbc;
+ aux_subcommand *prevsbc = 0 ;
+ get_line();
+ lex_get();
+
+ for (;;)
+ {
+ sbc = xmalloc(sizeof(aux_subcommand));
+ sbc->next = prevsbc;
+ sbc->name = xstrdup (tokstr);
+ lex_get();
+ skip_token('=');
+ sbc->value = xstrdup (tokstr);
+ lex_get();
+ if (token == '.')
+ break;
+ skip_token(';');
+ prevsbc = sbc;
+
+ }
+ /* Skip trailing star-slash line. */
+ get_line ();
+ aux_subcommands = sbc;
+}
+
+
projects / pspp-builds.git / blobdiff