xmalloc (size_t size)
{
void *vp;
-
+
if (size == 0)
return NULL;
-
+
vp = malloc (size);
if (!vp)
fail ("xmalloc(%lu): %s", (unsigned long) size, VME);
-
+
return vp;
}
assert (s != NULL);
size = strlen (s) + 1;
-
+
t = malloc (size);
if (!t)
fail ("xstrdup(%lu): %s", (unsigned long) strlen (s), VME);
-
+
memcpy (t, s, size);
return t;
}
if (++cb >= 8)
cb = 0;
-
+
return b[cb];
}
-
+
/* Copies a string to a static buffer, converting it to lowercase in
the process, and returns a pointer to the static buffer. */
static char *
st_lower (const char *s)
{
char *p, *cp;
-
+
p = cp = get_buffer ();
while (*s)
*cp++ = tolower ((unsigned char) (*s++));
*cp++ = '\0';
-
+
return p;
}
while (*s)
*cp++ = toupper ((unsigned char) (*s++));
*cp++ = '\0';
-
+
return p;
}
return iter;
}
-#if DUMP_TOKENS
+#if DUMP_TOKENS
/* Writes a printable representation of the current token to
stdout. */
static void
cp = skip_ws (cp);
if (*cp != '\0')
break;
-
+
if (!get_line ())
fail ("%s: Unexpected end of file.", ifn);
}
-
+
if (*cp == '"')
{
char *dest = tokstr;
}
else
token = *cp++;
-
+
#if DUMP_TOKENS
dump_token ();
#endif
-
+
return token;
}
setting *def; /* Default setting. */
setting *omit_kw; /* Setting for which the keyword can be omitted. */
-
+
int index; /* Next array index. */
};
int narray; /* Index of next array element. */
const char *prefix; /* Prefix for variable and constant names. */
specifier *spec; /* Array of specifiers. */
-
+
/* SBC_STRING and SBC_INT only. */
char *restriction; /* Expression restricting string length. */
char *message; /* Error message. */
parse_setting (setting *s, specifier *spec)
{
s->parent = spec;
-
+
if (match_token ('*'))
{
if (spec->omit_kw)
else
spec->omit_kw = s;
}
-
+
if (match_token ('!'))
{
if (spec->def)
else
spec->def = s;
}
-
+
force_id ();
s->specname = xstrdup (tokstr);
s->con = add_symbol (s->specname, 0, 0);
s->valtype = VT_PLAIN;
s->optvalue = match_token ('*');
-
+
if (match_id ("N"))
s->value = VAL_INT;
else if (match_id ("D"))
s->value = VAL_STRING;
else
error ("`n', `d', or `s' expected.");
-
+
skip_token (':');
-
+
force_id ();
s->valname = xstrdup (tokstr);
lex_get ();
-
+
if (token == ',')
{
lex_get ();
}
else
s->restriction = NULL;
-
+
if (s->valtype == VT_PAREN)
skip_token (')');
}
spec->varname = xstrdup (st_lower (tokstr));
lex_get ();
}
-
+
/* Handle array elements. */
if (token != ':')
{
return;
}
skip_token (':');
-
- if ( sbc->type == SBC_ARRAY && token == T_ID )
+
+ if ( sbc->type == SBC_ARRAY && token == T_ID )
{
spec->varname = xstrdup (st_lower (tokstr));
spec->index = sbc->narray;
sbc->narray++;
}
-
-
-
+
+
+
/* Parse all the settings. */
{
setting **s = &spec->s;
-
+
for (;;)
{
*s = xmalloc (sizeof **s);
*spec = NULL;
return;
}
-
+
for (;;)
{
*spec = xmalloc (sizeof **spec);
force_id ();
sbc->name = xstrdup (tokstr);
lex_get ();
-
+
sbc->narray = 0;
sbc->type = SBC_PLAIN;
sbc->spec = NULL;
force_id ();
sbc->prefix = xstrdup (st_lower (tokstr));
lex_get ();
-
+
skip_token (']');
skip_token ('=');
-
+
sbc->type = SBC_ARRAY;
parse_specifiers (sbc);
force_id ();
sbc->prefix = xstrdup (st_lower (tokstr));
lex_get ();
-
+
skip_token (')');
}
else
sbc->prefix = "";
-
+
skip_token ('=');
if (match_id ("VAR"))
force_string ();
sbc->message = xstrdup (tokstr);
lex_get();
-
+
skip_token (')');
}
else sbc->message = NULL;
else if (match_id ("INTEGER"))
{
sbc->type = match_id ("LIST") ? SBC_INT_LIST : SBC_INT;
- if ( token == T_STRING)
+ if ( token == T_STRING)
{
sbc->restriction = xstrdup (tokstr);
lex_get ();
parse_subcommands (void)
{
subcommand **sbc = &subcommands;
-
+
for (;;)
{
*sbc = xmalloc (sizeof **sbc);
if (indention < 0)
indent += BASE_INDENT * indention;
-
+
oln++;
va_start (args, format);
for (i = 0; i < indent; i++)
{
if (spec->varname)
dump (0, "long %s%s;", sbc->prefix, spec->varname);
-
+
{
setting *s;
else
*cp++ = '_';
*cp = '\0';
-
+
return p;
}
buf = xmalloc (1024);
else
dump (0, buf);
-
+
if (k)
sprintf (buf, "%s%s,", st_upper (prefix), sym->name);
else
if (sbc->type == SBC_ARRAY && sbc->narray)
{
dump (0, "/* Array indices for %s subcommand. */", sbc->name);
-
+
dump (1, "enum");
dump (1, "{");
if (sbc != subcommands)
dump (0, nullstr);
-
+
dump (0, "/* %s subcommand. */", sbc->name);
dump (0, "int sbc_%s;", st_lower (sbc->name));
case SBC_PLAIN:
{
specifier *spec;
-
+
for (spec = sbc->spec; spec; spec = spec->next)
{
if (spec->s == 0)
spec->varname);
else if (f == 0)
{
- dump (0, "int a_%s[%s%scount];",
- st_lower (sbc->name),
+ dump (0, "int a_%s[%s%scount];",
+ st_lower (sbc->name),
st_upper (prefix),
st_upper (sbc->prefix)
);
strcpy (s, "-1");
dump (0, "p->%s%s = %s;", sbc->prefix, spec->varname, s);
}
-
+
{
setting *s;
/* 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));
- if ( ! persistent )
+ if ( ! persistent )
{
switch (sbc->type)
{
case SBC_CUSTOM:
/* nothing */
break;
-
+
case SBC_PLAIN:
case SBC_ARRAY:
{
specifier *spec;
-
+
for (spec = sbc->spec; spec; spec = spec->next)
if (spec->s == NULL)
{
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));
while (*t == '_')
t++;
-
+
if (is_keyword (t))
sprintf (s, "lex_match (lexer, T_%s)", t);
else if (!strcmp (t, "ON") || !strcmp (t, "YES"))
sprintf (s, "lex_match_int (lexer, %s)", t);
else
sprintf (s, "lex_match_id (lexer, \"%s\")", t);
-
+
return s;
}
if (spec->omit_kw && spec->omit_kw->parent->next)
error ("Default specifier is not in last specifier in `%s' "
"subcommand.", sbc->name);
-
+
for (s = spec->s; s; s = s->next)
{
int first = spec == sbc->spec && s == spec->s;
{
if (spec->omit_kw != s)
dump (1, "{");
-
+
if (spec->varname)
{
dump (0, "p->%s%s = %s%s;", sbc->prefix, spec->varname,
st_upper (prefix), find_symbol (s->con)->name);
- if ( sbc->type == SBC_ARRAY )
+ if ( sbc->type == SBC_ARRAY )
dump (0, "p->a_%s[%s%s%s] = 1;",
st_lower (sbc->name),
st_upper (prefix), st_upper (sbc->prefix),
dump (-1, "p->%s%s = lex_tokval (lexer);", sbc->prefix,
st_lower (s->valname));
}
- else if (s->value == VAL_STRING)
+ else if (s->value == VAL_STRING)
{
dump (1, "if (lex_token (lexer) != T_ID "
"&& lex_token (lexer) != T_STRING)");
}
else
abort ();
-
+
if (s->restriction)
{
{
free (str);
free (str2);
}
-
+
dump (1, "{");
dump (0, "msg (SE, _(\"Bad argument for %s "
"specifier of %s subcommand.\"));",
dump (-1, "}");
outdent ();
}
-
+
dump (0, "lex_get (lexer);");
-
+
if (s->valtype == VT_PAREN)
{
dump (1, "if (!lex_match (lexer, ')'))");
outdent ();
}
}
-
+
if (s != spec->omit_kw)
dump (-1, "}");
}
-
+
if (s == spec->omit_kw)
{
dump (-1, "}");
dump (1, "while (lex_token (lexer) != '/' && lex_token (lexer) != '.')");
dump (1, "{");
-
+
{
specifier *spec;
}
}
}
-
+
{
specifier *spec;
setting *s;
{
dump (1, "if (!lex_force_num (lexer))");
dump (0, "goto lossage;");
- dump (-1, "p->n_%s[p->sbc_%s - 1] = lex_number (lexer);",
+ dump (-1, "p->n_%s[p->sbc_%s - 1] = lex_number (lexer);",
st_lower (sbc->name), st_lower (sbc->name) );
dump (0, "lex_get(lexer);");
}
{
char buf[1024];
dump (1, "if (!(%s))", sbc->restriction);
- dump (1, "{");
+ dump (1, "{");
sprintf(buf,sbc->message,sbc->name);
- if ( sbc->translatable )
+ if ( sbc->translatable )
dump (0, "msg (SE, gettext(\"%s\"));",buf);
else
dump (0, "msg (SE, \"%s\");",buf);
dump (-1, "}");
outdent ();
}
-
+
{
subcommand *sbc;
outdent ();
-
+
dump (1, "if (!lex_match (lexer, '/'))");
dump (0, "break;");
dump (-2, "}");
for (sbc = subcommands; sbc; sbc = sbc->next)
{
- if ( sbc->arity == ARITY_ONCE_EXACTLY )
+ if ( sbc->arity == ARITY_ONCE_EXACTLY )
{
dump (0, "if ( 0 == p->sbc_%s)", st_lower (sbc->name));
dump (1, "{");
indent = 0;
used = 0;
- if ( ! persistent )
+ if ( ! persistent )
{
for (sbc = subcommands; sbc; sbc = sbc->next)
used = (sbc->type == SBC_STRING
make_identifier (cmdname), used ? "" : " UNUSED");
dump (1, "{");
- if ( ! persistent )
+ if ( ! persistent )
{
for (sbc = subcommands; sbc; sbc = sbc->next)
{
- switch (sbc->type)
+ switch (sbc->type)
{
case SBC_VARLIST:
dump (0, "free (p->v_%s);", st_lower (sbc->name));
{
specifier *spec;
setting *s;
-
+
for (spec = sbc->spec; spec; spec = spec->next)
for (s = spec->s; s; s = s->next)
if (s->value == VAL_STRING)
dump (0, "free (p->%s%s);",
sbc->prefix, st_lower (s->valname));
- }
+ }
default:
break;
}
{
static char directive[16];
char *sp, *ep;
-
+
sp = skip_ws (buf);
if (strncmp (sp, "/*", 2))
return NULL;
directive[ep - sp] = '\0';
return directive;
}
-
+
int
main (int argc, char *argv[])
{
dump (0, "%s", buf);
continue;
}
-
+
dump (0, "#line %d \"%s\"", oln + 1, ofn);
if (!strcmp (directive, "specification"))
{
else if (!strcmp (directive, "functions"))
{
dump_parser (0);
- dump_free (0);
+ dump_free (0);
}
else if (!strcmp (directive, "_functions"))
{
dump_parser (1);
- dump_free (1);
+ dump_free (1);
}
else
error ("unknown directive `%s'", directive);
projects / pspp-builds.git / blobdiff