From: Ken Hornstein <kenh@pobox.com>
Date: Mon, 10 Dec 2012 21:01:59 +0000 (-0500)
Subject: The beginnings of a program to test format functions/files.
X-Git-Url: https://diplodocus.org/git/nmh/commitdiff_plain/2f5c4e8664a5bb3a20dfb5e93667022fa2e0abac?ds=sidebyside;hp=-c

The beginnings of a program to test format functions/files.
---

2f5c4e8664a5bb3a20dfb5e93667022fa2e0abac
diff --git a/.gitignore b/.gitignore
index b6e7ab37..e5c3e6f3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -57,6 +57,7 @@ a.out.dSYM/
 /uip/dp
 /uip/flist
 /uip/fmtdump
+/uip/fmttest
 /uip/folder
 /uip/forw
 /uip/inc
diff --git a/Makefile.am b/Makefile.am
index 27ffdfbb..734f4269 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -120,8 +120,8 @@ BUILT_SOURCES = sbr/sigmsg.h
 ## the latter do not have $(EXEEXT) added on the end.
 ##
 bin_PROGRAMS = uip/ali uip/anno uip/burst uip/comp uip/dist uip/flist \
-	       uip/folder uip/forw uip/inc uip/install-mh uip/mark \
-	       uip/mhbuild uip/mhlist uip/mhn uip/mhparam \
+	       uip/fmttest uip/folder uip/forw uip/inc uip/install-mh \
+	       uip/mark uip/mhbuild uip/mhlist uip/mhn uip/mhparam \
 	       uip/mhpath uip/mhshow uip/mhstore uip/msgchk uip/msh uip/new \
 	       uip/packf uip/pick uip/prompter uip/refile uip/repl uip/rmf \
 	       uip/rmm uip/scan uip/send uip/show uip/sortm uip/whatnow \
@@ -363,6 +363,9 @@ uip_dp_LDADD = $(LDADD) $(TERMLIB) $(ICONVLIB)
 uip_fmtdump_SOURCES = uip/fmtdump.c
 uip_fmtdump_LDADD = $(LDADD) $(ICONVLIB)
 
+uip_fmttest_SOURCES = uip/fmttest.c uip/termsbr.c
+uip_fmttest_LDADD = $(LDADD) $(TERMLIB) $(ICONVLIB)
+
 uip_mhl_SOURCES = uip/mhl.c uip/mhlsbr.c uip/termsbr.c
 uip_mhl_LDADD = $(LDADD) $(TERMLIB) $(ICONVLIB)
 
diff --git a/uip/fmttest.c b/uip/fmttest.c
new file mode 100644
index 00000000..b5d24db3
--- /dev/null
+++ b/uip/fmttest.c
@@ -0,0 +1,627 @@
+
+/*
+ * fmttest.c -- A program to help test and debug format instructions
+ *
+ * This code is Copyright (c) 2012, by the authors of nmh.  See the
+ * COPYRIGHT file in the root directory of the nmh distribution for
+ * complete copyright information.
+ */
+
+#include <h/mh.h>
+#include <h/fmt_scan.h>
+#include <h/fmt_compile.h>
+#include <h/utils.h>
+#include <h/scansbr.h>
+
+static struct swit switches[] = {
+#define	FORMSW              0
+    { "form formatfile", 0 },
+#define	FMTSW               1
+    { "format string", 5 },
+#define DUMPSW              2
+    { "dump", 0 },
+#define ADDRSW              3
+    { "address", 0 },
+#define DATESW              4
+    { "date", 0 },
+#define WIDTHSW             5
+    { "width columns", 0 },
+#define BUFSZSW             6
+    { "bufsize size-in-bytes", 0 },
+#define VERSIONSW           7
+    { "version", 0 },
+#define OTHERSW             8
+    { "-component-name component-text", 0 },
+#define	HELPSW              9
+    { "help", 0 },
+    { NULL, 0 }
+};
+
+/*
+ * An array containing labels used for branch instructions
+ */
+
+static struct format **lvec = NULL;
+static int lused = 0;
+static int lallocated = 0;
+
+/*
+ * static prototypes
+ */
+static void fmt_dump (struct format *);
+static void dumpone(struct format *);
+static int findlabel(struct format *);
+static void assignlabel(struct format *);
+static char *f_typestr(int);
+static char *c_typestr(int);
+static char *c_flagsstr(int);
+static void litputs(char *);
+static void litputc(char);
+
+
+int
+main (int argc, char **argv)
+{
+    char *cp, *form = NULL, *format = NULL;
+    char buf[BUFSIZ], *nfs, **argp, **arguments;
+    char **compargs = NULL;
+    struct format *fmt;
+    struct comp *cptr;
+    int dump = 0, compp = 0, comppalloc = 0, i;
+    int width = 0, bufsize = 0;
+    int dat[5];
+
+#ifdef LOCALE
+    setlocale(LC_ALL, "");
+#endif
+    invo_name = r1bindex (argv[0], '/');
+
+    /* read user profile/context */
+    context_read();
+
+    arguments = getarguments (invo_name, argc, argv, 1);
+    argp = arguments;
+
+    while ((cp = *argp++)) {
+	if (*cp == '-') {
+	    /*
+	     * A -- means that we have a component name (like pick);
+	     * save the component name and the next argument for the text.
+	     */
+	    if (*++cp == '-') {
+	    	/* it's -3 because of this ptr, next ptr, and trailing NULL */
+	    	if (compp > comppalloc - 3) {
+		    comppalloc += 32;
+		    compargs = (char **) mh_xrealloc(compargs, sizeof(char *) *
+		    						comppalloc);
+		}
+	        compargs[compp++] = --cp;
+		/* Grab next argument for component text */
+		if (!(cp = *argp++))
+		    adios(NULL, "missing argument to %s", argp[-2]);
+		compargs[compp++] = cp;
+		continue;
+	    }
+	    switch (smatch (cp, switches)) {
+		case AMBIGSW: 
+		    ambigsw (cp, switches);
+		    done (1);
+		case UNKWNSW: 
+		    adios (NULL, "-%s unknown", cp);
+
+		case HELPSW: 
+		    snprintf (buf, sizeof(buf), "%s [switches]", invo_name);
+		    print_help (buf, switches, 1);
+		    done (0);
+		case VERSIONSW:
+		    print_version(invo_name);
+		    done (0);
+		case OTHERSW:
+		    adios(NULL, "internal argument error!");
+		    continue;
+
+		case WIDTHSW:
+		    if (!(cp = *argp++) || *cp == '-')
+		    	adios(NULL, "missing argument to %s", argp[-2]);
+		    width = atoi(cp);
+		    continue;
+		case BUFSZSW:
+		    if (!(cp = *argp++) || *cp == '-')
+		    	adios(NULL, "missing argument to %s", argp[-2]);
+		    bufsize = atoi(cp);
+		    continue;
+
+		case FORMSW: 
+		    if (!(form = *argp++) || *form == '-')
+			adios (NULL, "missing argument to %s", argp[-2]);
+		    format = NULL;
+		    continue;
+		case FMTSW: 
+		    if (!(format = *argp++) || *format == '-')
+			adios (NULL, "missing argument to %s", argp[-2]);
+		    form = NULL;
+		    continue;
+
+		case DUMPSW:
+		    dump++;
+		    continue;
+
+	    }
+	}
+	if (form)
+	    adios (NULL, "only one form at a time!");
+	else
+	    form = cp;
+    }
+
+    if (compargs)
+    	compargs[compp] = NULL;
+
+    /*
+     * Here's our weird heuristic:
+     *
+     * - We allow -dump without any other arguments.
+     * - If you've given any component arguments, we don't require any
+     *   other arguments.
+     * - The arguments are interpreted as folders/messages.
+     */
+
+    /*
+     * Get new format string.  Must be before chdir().
+     */
+    nfs = new_fs (form, format, FORMAT);
+    (void) fmt_compile(nfs, &fmt, 1);
+
+    if (dump)
+	fmt_dump(fmt);
+
+    if (compargs) {
+    	for (i = 0; compargs[i] != NULL; i += 2) {
+	    cptr = fmt_findcomp(compargs[i]);
+	    if (cptr)
+	    	cptr->c_text = getcpy(compargs[i + 1]);
+	}
+    }
+
+    if (width == 0)
+    	width = sc_width();
+
+    /*
+     * If we don't specify a buffer size, allocate a default one.
+     */
+
+    if (bufsize == 0) {
+    }
+
+    fmt_free(fmt, 1);
+
+    done(0);
+    return 1;
+}
+
+static void
+fmt_dump (struct format *fmth)
+{
+	int i;
+	register struct format *fmt, *addr;
+
+	/* Assign labels */
+	for (fmt = fmth; fmt; ++fmt) {
+		i = fmt->f_type;
+		if (i == FT_IF_S ||
+		    i == FT_IF_S_NULL ||
+		    i == FT_IF_V_EQ ||
+		    i == FT_IF_V_NE ||
+		    i == FT_IF_V_GT ||
+		    i == FT_IF_MATCH ||
+		    i == FT_IF_AMATCH ||
+		    i == FT_GOTO) {
+			addr = fmt + fmt->f_skip;
+			if (findlabel(addr) < 0)
+				assignlabel(addr);
+		}
+		if (fmt->f_type == FT_DONE && fmt->f_value == 0)
+			break;
+	}
+
+	/* Dump them out! */
+	for (fmt = fmth; fmt; ++fmt) {
+		dumpone(fmt);
+		if (fmt->f_type == FT_DONE && fmt->f_value == 0)
+			break;
+	}
+}
+
+static void
+dumpone(struct format *fmt)
+{
+	register int i;
+
+	if ((i = findlabel(fmt)) >= 0)
+		printf("L%d:", i);
+	putchar('\t');
+
+	fputs(f_typestr((int)fmt->f_type), stdout);
+
+	switch (fmt->f_type) {
+
+	case FT_COMP:
+	case FT_LS_COMP:
+	case FT_LV_COMPFLAG:
+	case FT_LV_COMP:
+		printf(", comp ");
+		litputs(fmt->f_comp->c_name);
+		if (fmt->f_comp->c_type)
+			printf(", c_type %s", c_typestr(fmt->f_comp->c_type));
+		if (fmt->f_comp->c_flags)
+			printf(", c_flags %s", c_flagsstr(fmt->f_comp->c_flags));
+		break;
+
+	case FT_LV_SEC:
+	case FT_LV_MIN:
+	case FT_LV_HOUR:
+	case FT_LV_MDAY:
+	case FT_LV_MON:
+	case FT_LS_MONTH:
+	case FT_LS_LMONTH:
+	case FT_LS_ZONE:
+	case FT_LV_YEAR:
+	case FT_LV_WDAY:
+	case FT_LS_DAY:
+	case FT_LS_WEEKDAY:
+	case FT_LV_YDAY:
+	case FT_LV_ZONE:
+	case FT_LV_CLOCK:
+	case FT_LV_RCLOCK:
+	case FT_LV_DAYF:
+	case FT_LV_ZONEF:
+	case FT_LV_DST:
+	case FT_LS_822DATE:
+	case FT_LS_PRETTY:
+	case FT_LOCALDATE:
+	case FT_GMTDATE:
+	case FT_PARSEDATE:
+		printf(", c_name ");
+		litputs(fmt->f_comp->c_name);
+		if (fmt->f_comp->c_type)
+			printf(", c_type %s", c_typestr(fmt->f_comp->c_type));
+		if (fmt->f_comp->c_flags)
+			printf(", c_flags %s", c_flagsstr(fmt->f_comp->c_flags));
+		break;
+
+	case FT_LS_ADDR:
+	case FT_LS_PERS:
+	case FT_LS_MBOX:
+	case FT_LS_HOST:
+	case FT_LS_PATH:
+	case FT_LS_GNAME:
+	case FT_LS_NOTE:
+	case FT_LS_822ADDR:
+	case FT_LV_HOSTTYPE:
+	case FT_LV_INGRPF:
+	case FT_LV_NOHOSTF:
+	case FT_LS_FRIENDLY:
+	case FT_PARSEADDR:
+	case FT_MYMBOX:
+		printf(", c_name ");
+		litputs(fmt->f_comp->c_name);
+		if (fmt->f_comp->c_type)
+			printf(", c_type %s", c_typestr(fmt->f_comp->c_type));
+		if (fmt->f_comp->c_flags)
+			printf(", c_flags %s", c_flagsstr(fmt->f_comp->c_flags));
+		break;
+
+	case FT_COMPF:
+		printf(", width %d, fill '", fmt->f_width);
+		litputc(fmt->f_fill);
+		printf("' name ");
+		litputs(fmt->f_comp->c_name);
+		if (fmt->f_comp->c_type)
+			printf(", c_type %s", c_typestr(fmt->f_comp->c_type));
+		if (fmt->f_comp->c_flags)
+			printf(", c_flags %s", c_flagsstr(fmt->f_comp->c_flags));
+		break;
+
+	case FT_STRF:
+	case FT_NUMF:
+		printf(", width %d, fill '", fmt->f_width);
+		litputc(fmt->f_fill);
+		putchar('\'');
+		break;
+
+	case FT_LIT:
+#ifdef FT_LIT_FORCE
+	case FT_LIT_FORCE:
+#endif
+		putchar(' ');
+		litputs(fmt->f_text);
+		break;
+
+	case FT_LITF:
+		printf(", width %d, fill '", fmt->f_width);
+		litputc(fmt->f_fill);
+		printf("' ");
+		litputs(fmt->f_text);
+		break;
+
+	case FT_CHAR:
+		putchar(' ');
+		putchar('\'');
+		litputc(fmt->f_char);
+		putchar('\'');
+		break;
+
+
+	case FT_IF_S:
+	case FT_IF_S_NULL:
+	case FT_IF_MATCH:
+	case FT_IF_AMATCH:
+		printf(" continue else goto");
+	case FT_GOTO:
+		i = findlabel(fmt + fmt->f_skip);
+		printf(" L%d", i);
+		break;
+
+	case FT_IF_V_EQ:
+	case FT_IF_V_NE:
+	case FT_IF_V_GT:
+		i = findlabel(fmt + fmt->f_skip);
+		printf(" %d continue else goto L%d", fmt->f_value, i);
+		break;
+
+	case FT_V_EQ:
+	case FT_V_NE:
+	case FT_V_GT:
+	case FT_LV_LIT:
+	case FT_LV_PLUS_L:
+	case FT_LV_MINUS_L:
+	case FT_LV_DIVIDE_L:
+	case FT_LV_MODULO_L:
+		printf(" value %d", fmt->f_value);
+		break;
+
+	case FT_LS_LIT:
+		printf(" str ");
+		litputs(fmt->f_text);
+		break;
+
+	case FT_LS_GETENV:
+		printf(" getenv ");
+		litputs(fmt->f_text);
+		break;
+
+	case FT_LS_DECODECOMP:
+		printf(", comp ");
+		litputs(fmt->f_comp->c_name);
+		break;
+
+	case FT_LS_DECODE:
+		break;
+
+	case FT_LS_TRIM:
+		printf(", width %d", fmt->f_width);
+		break;
+
+	case FT_LV_DAT:
+		printf(", value dat[%d]", fmt->f_value);
+		break;
+	}
+	putchar('\n');
+}
+
+static int
+findlabel(struct format *addr)
+{
+	register int i;
+
+	for (i = 0; i < lused; ++i)
+		if (addr == lvec[i])
+			return(i);
+	return(-1);
+}
+
+static void
+assignlabel(struct format *addr)
+{
+	if (lused >= lallocated) {
+		lallocated += 64;
+		lvec = (struct format **)
+			mh_xrealloc(lvec, sizeof(struct format *) * lallocated);
+	}
+	
+	lvec[lused++] = addr;
+}
+
+static char *
+f_typestr(int t)
+{
+	static char buf[32];
+
+	switch (t) {
+	case FT_COMP: return("COMP");
+	case FT_COMPF: return("COMPF");
+	case FT_LIT: return("LIT");
+	case FT_LITF: return("LITF");
+#ifdef	FT_LIT_FORCE
+	case FT_LIT_FORCE: return("LIT_FORCE");
+#endif
+	case FT_CHAR: return("CHAR");
+	case FT_NUM: return("NUM");
+	case FT_NUMF: return("NUMF");
+	case FT_STR: return("STR");
+	case FT_STRF: return("STRF");
+	case FT_STRFW: return("STRFW");
+	case FT_PUTADDR: return("PUTADDR");
+	case FT_STRLIT: return("STRLIT");
+	case FT_STRLITZ: return("STRLITZ");
+	case FT_LS_COMP: return("LS_COMP");
+	case FT_LS_LIT: return("LS_LIT");
+	case FT_LS_GETENV: return("LS_GETENV");
+	case FT_LS_DECODECOMP: return("FT_LS_DECODECOMP");
+	case FT_LS_DECODE: return("FT_LS_DECODE");
+	case FT_LS_TRIM: return("LS_TRIM");
+	case FT_LV_COMP: return("LV_COMP");
+	case FT_LV_COMPFLAG: return("LV_COMPFLAG");
+	case FT_LV_LIT: return("LV_LIT");
+	case FT_LV_DAT: return("LV_DAT");
+	case FT_LV_STRLEN: return("LV_STRLEN");
+	case FT_LV_PLUS_L: return("LV_PLUS_L");
+	case FT_LV_MINUS_L: return("LV_MINUS_L");
+	case FT_LV_DIVIDE_L: return("LV_DIVIDE_L");
+	case FT_LV_MODULO_L: return("LV_MODULO_L");
+	case FT_LV_CHAR_LEFT: return("LV_CHAR_LEFT");
+	case FT_LS_MONTH: return("LS_MONTH");
+	case FT_LS_LMONTH: return("LS_LMONTH");
+	case FT_LS_ZONE: return("LS_ZONE");
+	case FT_LS_DAY: return("LS_DAY");
+	case FT_LS_WEEKDAY: return("LS_WEEKDAY");
+	case FT_LS_822DATE: return("LS_822DATE");
+	case FT_LS_PRETTY: return("LS_PRETTY");
+	case FT_LV_SEC: return("LV_SEC");
+	case FT_LV_MIN: return("LV_MIN");
+	case FT_LV_HOUR: return("LV_HOUR");
+	case FT_LV_MDAY: return("LV_MDAY");
+	case FT_LV_MON: return("LV_MON");
+	case FT_LV_YEAR: return("LV_YEAR");
+	case FT_LV_YDAY: return("LV_YDAY");
+	case FT_LV_WDAY: return("LV_WDAY");
+	case FT_LV_ZONE: return("LV_ZONE");
+	case FT_LV_CLOCK: return("LV_CLOCK");
+	case FT_LV_RCLOCK: return("LV_RCLOCK");
+	case FT_LV_DAYF: return("LV_DAYF");
+	case FT_LV_DST: return("LV_DST");
+	case FT_LV_ZONEF: return("LV_ZONEF");
+	case FT_LS_ADDR: return("LS_ADDR");
+	case FT_LS_PERS: return("LS_PERS");
+	case FT_LS_MBOX: return("LS_MBOX");
+	case FT_LS_HOST: return("LS_HOST");
+	case FT_LS_PATH: return("LS_PATH");
+	case FT_LS_GNAME: return("LS_GNAME");
+	case FT_LS_NOTE: return("LS_NOTE");
+	case FT_LS_822ADDR: return("LS_822ADDR");
+	case FT_LS_FRIENDLY: return("LS_FRIENDLY");
+	case FT_LV_HOSTTYPE: return("LV_HOSTTYPE");
+	case FT_LV_INGRPF: return("LV_INGRPF");
+	case FT_LV_NOHOSTF: return("LV_NOHOSTF");
+	case FT_LOCALDATE: return("LOCALDATE");
+	case FT_GMTDATE: return("GMTDATE");
+	case FT_PARSEDATE: return("PARSEDATE");
+	case FT_PARSEADDR: return("PARSEADDR");
+	case FT_FORMATADDR: return("FORMATADDR");
+	case FT_CONCATADDR: return("CONCATADDR");
+	case FT_MYMBOX: return("MYMBOX");
+#ifdef	FT_ADDTOSEQ
+	case FT_ADDTOSEQ: return("ADDTOSEQ");
+#endif
+	case FT_SAVESTR: return("SAVESTR");
+#ifdef	FT_PAUSE
+	case FT_PAUSE: return ("PAUSE");
+#endif
+	case FT_DONE: return("DONE");
+	case FT_NOP: return("NOP");
+	case FT_GOTO: return("GOTO");
+	case FT_IF_S_NULL: return("IF_S_NULL");
+	case FT_IF_S: return("IF_S");
+	case FT_IF_V_EQ: return("IF_V_EQ");
+	case FT_IF_V_NE: return("IF_V_NE");
+	case FT_IF_V_GT: return("IF_V_GT");
+	case FT_IF_MATCH: return("IF_MATCH");
+	case FT_IF_AMATCH: return("IF_AMATCH");
+	case FT_S_NULL: return("S_NULL");
+	case FT_S_NONNULL: return("S_NONNULL");
+	case FT_V_EQ: return("V_EQ");
+	case FT_V_NE: return("V_NE");
+	case FT_V_GT: return("V_GT");
+	case FT_V_MATCH: return("V_MATCH");
+	case FT_V_AMATCH: return("V_AMATCH");
+	default:
+		printf(buf, "/* ??? #%d */", t);
+		return(buf);
+	}
+}
+
+#define FNORD(v, s) if (t & (v)) { \
+	if (i++ > 0) \
+		strcat(buf, "|"); \
+	strcat(buf, s); }
+
+static char *
+c_typestr(int t)
+{
+	register int i;
+	static char buf[64];
+
+	buf[0] = '\0';
+	if (t & ~(CT_ADDR|CT_DATE))
+		printf(buf, "0x%x ", t);
+	strcat(buf, "<");
+	i = 0;
+	FNORD(CT_ADDR, "ADDR");
+	FNORD(CT_DATE, "DATE");
+	strcat(buf, ">");
+	return(buf);
+}
+
+static char *
+c_flagsstr(int t)
+{
+	register int i;
+	static char buf[64];
+
+	buf[0] = '\0';
+	if (t & ~(CF_TRUE|CF_PARSED|CF_DATEFAB|CF_TRIMMED))
+		printf(buf, "0x%x ", t);
+	strcat(buf, "<");
+	i = 0;
+	FNORD(CF_TRUE, "TRUE");
+	FNORD(CF_PARSED, "PARSED");
+	FNORD(CF_DATEFAB, "DATEFAB");
+	FNORD(CF_TRIMMED, "TRIMMED");
+	strcat(buf, ">");
+	return(buf);
+}
+#undef FNORD
+
+static void
+litputs(char *s)
+{
+	if (s) {
+		putc('"', stdout);
+		while (*s)
+			litputc(*s++);
+		putc('"', stdout);
+	} else
+		fputs("<nil>", stdout);
+}
+
+static void
+litputc(char c)
+{
+	if (c & ~ 0177) {
+		putc('M', stdout);
+		putc('-', stdout);
+		c &= 0177;
+	}
+	if (c < 0x20 || c == 0177) {
+		if (c == '\b') {
+			putc('\\', stdout);
+			putc('b', stdout);
+		} else if (c == '\f') {
+			putc('\\', stdout);
+			putc('f', stdout);
+		} else if (c == '\n') {
+			putc('\\', stdout);
+			putc('n', stdout);
+		} else if (c == '\r') {
+			putc('\\', stdout);
+			putc('r', stdout);
+		} else if (c == '\t') {
+			putc('\\', stdout);
+			putc('t', stdout);
+		} else {
+			putc('^', stdout);
+			putc(c ^ 0x40, stdout);	/* DEL to ?, others to alpha */
+		}
+	} else
+		putc(c, stdout);
+}