Initial import of xtrkcad version 1:4.0.2-2

1 files changed, 378 insertions, 0 deletions

diff --git a/app/tools/halibut/error.c b/app/tools/halibut/error.c
new file mode 100644
index 0000000..6b4254d
--- /dev/null
+++ b/app/tools/halibut/error.c
@@ -0,0 +1,378 @@
+/*
+ * error.c: Halibut error handling
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include "halibut.h"
+
+/*
+ * Error flags
+ */
+#define PREFIX 0x0001		       /* give `halibut:' prefix */
+#define FILEPOS 0x0002		       /* give file position prefix */
+
+static void do_error(int code, va_list ap) {
+    char error[1024];
+    char c;
+    int i, j;
+    char *sp, *sp2;
+    wchar_t *wsp, *wsp2;
+    filepos fpos, fpos2, *fposp;
+    int flags = 0;
+
+    switch(code) {
+      case err_nomemory:	       /* no arguments */
+	sprintf(error, "out of memory");
+	flags = PREFIX;
+	break;
+      case err_optnoarg:
+	sp = va_arg(ap, char *);
+	sprintf(error, "option `-%.200s' requires an argument", sp);
+	flags = PREFIX;
+	break;
+      case err_nosuchopt:
+	sp = va_arg(ap, char *);
+	sprintf(error, "unrecognised option `-%.200s'", sp);
+	flags = PREFIX;
+	break;
+      case err_cmdcharset:
+	sp = va_arg(ap, char *);
+	sprintf(error, "character set `%.200s' not recognised", sp);
+	flags = PREFIX;
+	break;
+      case err_futileopt:
+	sp = va_arg(ap, char *);
+	sp2 = va_arg(ap, char *);
+	sprintf(error, "warning: option `-%s' has no effect%s", sp, sp2);
+	flags = PREFIX;
+	break;
+      case err_noinput:		       /* no arguments */
+	sprintf(error, "no input files");
+	flags = PREFIX;
+	break;
+      case err_cantopen:
+	sp = va_arg(ap, char *);
+	sprintf(error, "unable to open input file `%.200s'", sp);
+	flags = PREFIX;
+	break;
+      case err_nodata:		       /* no arguments */
+	sprintf(error, "no data in input files");
+	flags = PREFIX;
+	break;
+      case err_brokencodepara:
+	fpos = *va_arg(ap, filepos *);
+	sprintf(error, "every line of a code paragraph should begin `\\c'");
+	flags = FILEPOS;
+	break;
+      case err_kwunclosed:
+	fpos = *va_arg(ap, filepos *);
+	sprintf(error, "expected `}' after paragraph keyword");
+	flags = FILEPOS;
+	break;
+      case err_kwexpected:
+	fpos = *va_arg(ap, filepos *);
+	sprintf(error, "expected a paragraph keyword");
+	flags = FILEPOS;
+	break;
+      case err_kwillegal:
+	fpos = *va_arg(ap, filepos *);
+	sprintf(error, "expected no paragraph keyword");
+	flags = FILEPOS;
+	break;
+      case err_kwtoomany:
+	fpos = *va_arg(ap, filepos *);
+	sprintf(error, "expected only one paragraph keyword");
+	flags = FILEPOS;
+	break;
+      case err_bodyillegal:
+	fpos = *va_arg(ap, filepos *);
+	sprintf(error, "expected no text after paragraph keyword");
+	flags = FILEPOS;
+	break;
+      case err_badparatype:
+	wsp = va_arg(ap, wchar_t *);
+	sp = utoa_locale_dup(wsp);
+	fpos = *va_arg(ap, filepos *);
+	sprintf(error, "command `%.200s' unrecognised at start of"
+		" paragraph", sp);
+	flags = FILEPOS;
+	sfree(sp);
+	break;
+      case err_badmidcmd:
+	wsp = va_arg(ap, wchar_t *);
+	sp = utoa_locale_dup(wsp);
+	fpos = *va_arg(ap, filepos *);
+	sprintf(error, "command `%.200s' unexpected in mid-paragraph", sp);
+	flags = FILEPOS;
+	sfree(sp);
+	break;
+      case err_unexbrace:
+	fpos = *va_arg(ap, filepos *);
+	sprintf(error, "brace character unexpected in mid-paragraph");
+	flags = FILEPOS;
+	break;
+      case err_explbr:
+	fpos = *va_arg(ap, filepos *);
+	sprintf(error, "expected `{' after command");
+	flags = FILEPOS;
+	break;
+      case err_commenteof:
+	fpos = *va_arg(ap, filepos *);
+	sprintf(error, "end of file unexpected inside `\\#{...}' comment");
+	flags = FILEPOS;
+	break;
+      case err_kwexprbr:
+	fpos = *va_arg(ap, filepos *);
+	sprintf(error, "expected `}' after cross-reference");
+	flags = FILEPOS;
+	break;
+      case err_codequote:
+	fpos = *va_arg(ap, filepos *);
+	sprintf(error, "unable to nest \\q{...} within \\c{...} or \\cw{...}");
+	flags = FILEPOS;
+	break;	
+      case err_missingrbrace:
+	fpos = *va_arg(ap, filepos *);
+	sprintf(error, "unclosed braces at end of paragraph");
+	flags = FILEPOS;
+	break;
+      case err_missingrbrace2:
+	fpos = *va_arg(ap, filepos *);
+	sprintf(error, "unclosed braces at end of input file");
+	flags = FILEPOS;
+	break;
+      case err_nestedstyles:
+	fpos = *va_arg(ap, filepos *);
+	sprintf(error, "unable to nest text styles");
+	flags = FILEPOS;
+	break;
+      case err_nestedindex:
+	fpos = *va_arg(ap, filepos *);
+	sprintf(error, "unable to nest index markings");
+	flags = FILEPOS;
+	break;
+      case err_indexcase:
+	fpos = *va_arg(ap, filepos *);
+	wsp = va_arg(ap, wchar_t *);
+	sp = utoa_locale_dup(wsp);
+	fpos2 = *va_arg(ap, filepos *);
+	wsp2 = va_arg(ap, wchar_t *);
+	sp2 = utoa_locale_dup(wsp2);
+	sprintf(error, "warning: index tag `%.200s' used with ", sp);
+	sprintf(error + strlen(error), "different case (`%.200s') at %s:%d",
+		sp2, fpos2.filename, fpos2.line);
+	flags = FILEPOS;
+	sfree(sp);
+	sfree(sp2);
+	break;
+      case err_nosuchkw:
+	fpos = *va_arg(ap, filepos *);
+	wsp = va_arg(ap, wchar_t *);
+	sp = utoa_locale_dup(wsp);
+	sprintf(error, "unable to resolve cross-reference to `%.200s'", sp);
+	flags = FILEPOS;
+	sfree(sp);
+	break;
+      case err_multiBR:
+	fpos = *va_arg(ap, filepos *);
+	wsp = va_arg(ap, wchar_t *);
+	sp = utoa_locale_dup(wsp);
+	sprintf(error, "multiple `\\BR' entries given for `%.200s'", sp);
+	flags = FILEPOS;
+	sfree(sp);
+	break;
+      case err_nosuchidxtag:
+	fpos = *va_arg(ap, filepos *);
+	wsp = va_arg(ap, wchar_t *);
+	sp = utoa_locale_dup(wsp);
+	sprintf(error, "`\\IM' on unknown index tag `%.200s'", sp);
+	sfree(sp);
+	flags = FILEPOS;
+	break;
+      case err_cantopenw:
+	sp = va_arg(ap, char *);
+	sprintf(error, "unable to open output file `%.200s'", sp);
+	flags = PREFIX;
+	break;
+      case err_macroexists:
+	fpos = *va_arg(ap, filepos *);
+	wsp = va_arg(ap, wchar_t *);
+	sp = utoa_locale_dup(wsp);
+	sprintf(error, "macro `%.200s' already defined", sp);
+	flags = FILEPOS;
+	sfree(sp);
+	break;
+      case err_sectjump:
+	fpos = *va_arg(ap, filepos *);
+	sprintf(error, "expected higher heading levels before this one");
+	flags = FILEPOS;
+	break;
+      case err_winhelp_ctxclash:
+	fpos = *va_arg(ap, filepos *);
+	sp = va_arg(ap, char *);
+	sp2 = va_arg(ap, char *);
+	sprintf(error, "Windows Help context id `%.200s' clashes with "
+		"previously defined `%.200s'", sp, sp2);
+	flags = FILEPOS;
+	break;
+      case err_multikw:
+	fpos = *va_arg(ap, filepos *);
+	fpos2 = *va_arg(ap, filepos *);
+	wsp = va_arg(ap, wchar_t *);
+	sp = utoa_locale_dup(wsp);
+	sprintf(error, "paragraph keyword `%.200s' already defined at ", sp);
+	sprintf(error + strlen(error), "%s:%d", fpos2.filename, fpos2.line);
+	flags = FILEPOS;
+	sfree(sp);
+	break;
+      case err_misplacedlcont:
+	fpos = *va_arg(ap, filepos *);
+	sprintf(error, "\\lcont is only expected after a list item");
+	flags = FILEPOS;
+	break;
+      case err_sectmarkerinblock:
+	fpos = *va_arg(ap, filepos *);
+	sp = va_arg(ap, char *);
+	sprintf(error, "section headings are not supported within \\%.100s",
+		sp);
+	flags = FILEPOS;
+	break;
+      case err_cfginsufarg:
+	fpos = *va_arg(ap, filepos *);
+	sp = va_arg(ap, char *);
+	i = va_arg(ap, int);
+	sprintf(error, "\\cfg{%s} expects at least %d parameter%s", sp,
+		i, (i==1)?"":"s");
+	flags = FILEPOS;
+	break;
+      case err_infonodechar:
+	fposp = va_arg(ap, filepos *);
+	c = (char)va_arg(ap, int);
+	sprintf(error, "info output format does not support '%c' in"
+		" node names; removing", c);
+	if (fposp) {
+	    flags = FILEPOS;
+	    fpos = *fposp;
+	}
+	break;
+      case err_text_codeline:
+	fpos = *va_arg(ap, filepos *);
+	i = va_arg(ap, int);
+	j = va_arg(ap, int);
+	sprintf(error, "warning: code paragraph line is %d chars wide, wider"
+		" than body width %d", i, j);
+	flags = FILEPOS;
+	break;
+      case err_htmlver:
+	fpos = *va_arg(ap, filepos *);
+	wsp = va_arg(ap, wchar_t *);
+	sp = utoa_locale_dup(wsp);
+	sprintf(error, "unrecognised HTML version keyword `%.200s'", sp);
+	sfree(sp);
+	flags = FILEPOS;
+	break;
+      case err_charset:
+	fpos = *va_arg(ap, filepos *);
+	wsp = va_arg(ap, wchar_t *);
+	sp = utoa_locale_dup(wsp);
+	sprintf(error, "character set `%.200s' not recognised", sp);
+	flags = FILEPOS;
+	sfree(sp);
+	break;
+      case err_nofont:
+	fpos = *va_arg(ap, filepos *);
+	wsp = va_arg(ap, wchar_t *);
+	sp = utoa_locale_dup(wsp);
+	sprintf(error, "font `%.200s' not recognised", sp);
+	flags = FILEPOS;
+	sfree(sp);
+	break;
+      case err_afmeof:
+	fpos = *va_arg(ap, filepos *);
+	sprintf(error, "AFM file ended unexpectedly");
+	flags = FILEPOS;
+	break;
+      case err_afmkey:
+	fpos = *va_arg(ap, filepos *);
+	sp = va_arg(ap, char *);
+	sprintf(error, "required AFM key '%.200s' missing", sp);
+	flags = FILEPOS;
+	break;
+      case err_afmvers:
+	fpos = *va_arg(ap, filepos *);
+	sprintf(error, "unsupported AFM version");
+	flags = FILEPOS;
+	break;
+      case err_afmval:
+	fpos = *va_arg(ap, filepos *);
+	sp = va_arg(ap, char *);
+	i = va_arg(ap, int);
+	if (i == 1)
+	    sprintf(error, "AFM key '%.200s' requires a value", sp);
+	else
+	    sprintf(error, "AFM key '%.200s' requires %d values", sp, i);
+	flags = FILEPOS;
+	break;	
+      case err_pfeof:
+	fpos = *va_arg(ap, filepos *);
+	sprintf(error, "Type 1 font file ended unexpectedly");
+	flags = FILEPOS;
+	break;
+      case err_pfhead:
+	fpos = *va_arg(ap, filepos *);
+	sprintf(error, "Type 1 font file header line invalid");
+	flags = FILEPOS;
+	break;
+      case err_pfbad:
+	fpos = *va_arg(ap, filepos *);
+	sprintf(error, "Type 1 font file invalid");
+	flags = FILEPOS;
+	break;
+      case err_pfnoafm:
+	fpos = *va_arg(ap, filepos *);
+	sp = va_arg(ap, char *);
+	sprintf(error, "no metrics available for Type 1 font '%.200s'", sp);
+	flags = FILEPOS;
+	break;
+      case err_chmnames:
+	sprintf(error, "only one of html-mshtmlhelp-chm and "
+		"html-mshtmlhelp-hhp found");
+	flags = PREFIX;
+	break;
+      case err_whatever:
+	sp = va_arg(ap, char *);
+        vsprintf(error, sp, ap);
+        flags = PREFIX;
+        break;
+    }
+
+    if (flags & PREFIX)
+	fputs("halibut: ", stderr);
+    if (flags & FILEPOS) {
+	fprintf(stderr, "%s:", fpos.filename);
+	if (fpos.line > 0)
+	    fprintf(stderr, "%d:", fpos.line);
+	if (fpos.col > 0)
+	    fprintf(stderr, "%d:", fpos.col);
+	fputc(' ', stderr);
+    }
+    fputs(error, stderr);
+    fputc('\n', stderr);
+}
+
+void fatal(int code, ...) {
+    va_list ap;
+    va_start(ap, code);
+    do_error(code, ap);
+    va_end(ap);
+    exit(EXIT_FAILURE);
+}
+
+void error(int code, ...) {
+    va_list ap;
+    va_start(ap, code);
+    do_error(code, ap);
+    va_end(ap);
+}