/* gobal variables */
char *progname = NULL;
+char *iprompt = "<= ";
int mode = 1;
+char *oprompt = "=> ";
int precision = 6;
+char **completion_list = NULL;
/* help function */
FILE *fid = ret ? stderr : stdout;
fprintf (fid, "usage: %s\n", progname);
fprintf (fid, " -h : help message\n");
+ fprintf (fid, " -i : input prompt (%s)\n", iprompt);
fprintf (fid, " -n : no readline mode (%s)\n", mode ? "yes" : "no");
+ fprintf (fid, " -o : output prompt (%s)\n", oprompt);
fprintf (fid, " -p : precision (%d)\n", precision);
fprintf (fid, " -v : verbose level (%d)\n", verbose);
return ret;
}
+/* completion function */
+
+char *generator (const char *text, int state);
+
+char **completion (const char *text, __attribute__((unused)) int start, __attribute__((unused)) int end)
+{
+ rl_attempted_completion_over = 1;
+ return rl_completion_matches (text, generator);
+}
+
+char *generator (const char *text, int state)
+{
+ static int index, len;
+ char *name;
+
+ if (!state) {
+ index = 0;
+ len = strlen(text);
+ }
+
+ while ((name = completion_list[index++])) {
+ if (strncmp (name, text, len) == 0) {
+ return strdup (name);
+ }
+ }
+
+ return NULL;
+}
+
/* main function */
int main (int argc, char *argv[])
while (argc-- > 1) {
char *arg = *(++argv);
if (arg[0] != '-') {
- fprintf (stderr, "%s: invalid option -- '%s'\n", progname, arg);
- return usage (1);
+ VERBOSE (ERROR, fprintf (stderr, "%s: invalid option -- '%s'\n", progname, arg); usage (1));
+ return 1;
}
char c = arg[1];
switch (c) {
mode = 0;
buffer = buffer_static;
break;
+ case 'i':
+ arg = (arg[2]) ? arg + 2 : (--argc > 0) ? *(++argv) : NULL;
+ if (arg == NULL) {
+ VERBOSE (ERROR, fprintf (stderr, "%s: missing input prompt\n", progname); usage (1));
+ return 1;
+ }
+ iprompt = arg;
+ break;
+ case 'o':
+ arg = (arg[2]) ? arg + 2 : (--argc > 0) ? *(++argv) : NULL;
+ if (arg == NULL) {
+ VERBOSE (ERROR, fprintf (stderr, "%s: missing output prompt\n", progname); usage (1));
+ return 1;
+ }
+ oprompt = arg;
+ break;
case 'p':
arg = (arg[2]) ? arg + 2 : (--argc > 0) ? *(++argv) : NULL;
if (arg == NULL) {
- fprintf (stderr, "%s: missing precision\n", progname);
- return usage (1);
+ VERBOSE (ERROR, fprintf (stderr, "%s: missing precision\n", progname); usage (1));
+ return 1;
}
precision = atoi (arg);
break;
case 'v':
arg = (arg[2]) ? arg + 2 : (--argc > 0) ? *(++argv) : NULL;
if (arg == NULL) {
- fprintf (stderr, "%s: missing verbose level\n", progname);
- return usage (1);
+ VERBOSE (ERROR, fprintf (stderr, "%s: missing verbose level\n", progname); usage (1));
+ return 1;
}
verbose = atoi (arg);
break;
}
}
- /* format */
- char format[9] = "=> %..g\n";
- format[5] = '0' + precision;
+ /* set format */
+ set_format (oprompt, precision);
+
+ /* completion list*/
+ completion_list = generate_completion_list ();
+ rl_attempted_completion_function = completion;
/* read from input stream */
char *line[BUFFER_SIZE] = {0};
if (mode) {
- if ((buffer = readline ("<= ")) == NULL) {
+ if ((buffer = readline (iprompt)) == NULL) {
break;
}
} else if (strcmp (buffer, ".") == 0) {
break;
}
- line[0] = buffer;
- nb = 1;
/* add line into history */
add_history (buffer);
}
}
} else {
+ printf ("%s", iprompt);
if (read (STDIN_FILENO, buffer, BUFFER_SIZE) == 0) {
break;
}
- nb = 0;
- char *pt = line[nb++] = buffer;
- while (*pt != '\0') {
- if (*pt == '\n') {
- *pt = '\0';
- line[nb++] = pt + 1;
- }
- pt++;
- }
VERBOSE (INFO, fprintf (stdout, "line: '%s'\n", buffer));
}
+ /* pre-process buffer */
+ nb = 0;
+ char *pt = line[nb++] = buffer;
+ while (*pt != '\0') {
+ switch (*pt) {
+ case '\n':
+ *pt = '\0';
+ // fallthrough
+ case ';':
+ line[nb++] = pt + 1;
+ }
+ pt++;
+ }
+
/* look for end of line */
for (i = 0; i < nb; i++) {
if (*line[i] == '\0') {
continue;
}
- element_t *element = parser (line[i], NULL, 0);
+ element_t *element = parser (line[i], NULL, -9);
if (element == ERROR_OP) {
- VERBOSE (WARNING, fprintf (stdout, "error while parsing: '%s'\n", line[i]); fflush (stdout));
+ VERBOSE (WARNING, fprintf (stdout, "error while parsing: '%s'\n", line[i]));
ret = 1;
- } else {
+ } else if (element != NULL) {
VERBOSE (INFO, print_element (element, 0));
answer = evaluate_element (element, 0);
- fprintf (stdout, format, answer);
- fflush (stdout);
+ if (!element->hidden) {
+ print (answer);
+ }
delelement (element);
ret = 0;
}
}
}
+ free_completion_list (completion_list);
+
+ free_format ();
+
return ret;
}
// test: calc.exe -_ 2> /dev/null | awk 'END { if (NR == 0) { exit(0) } else exit (1) }'
// test: calc.exe -_ 2>&1 | awk '/usage:/ { rc=1 } END { exit (1-rc) }'
// test: calc.exe error 2>&1 | grep -q 'invalid option'
+// test: calc.exe -i 2>&1 | grep -q 'missing input prompt'
+// test: calc.exe -o 2>&1 | grep -q 'missing output prompt'
// test: calc.exe -p 2>&1 | grep -q 'missing precision'
// test: calc.exe -v 2>&1 | grep -q 'missing verbose'
+// test: echo "1 + 1" | calc.exe -i '# ' | grep -q '# 1 + 1'
+// test: echo "1 + 1" | calc.exe -o '# ' | grep -q '# 2'
// test: echo "1 + 2" | calc.exe | grep -q '=> 3'
// test: echo "1 - 2" | calc.exe | grep -q '=> -1'
// test: echo "2 * 3" | calc.exe | grep -q '=> 6'
// test: echo "-cos (0) + 1" | calc.exe | grep -q '=> -0'
// test: echo "-cos(0)+1" | calc.exe | grep -q '=> -0'
// test: echo "quit" | calc.exe | grep -q 'bye'
-// test: echo "help" | calc.exe | grep -q 'miscellaneous'
+// test: echo "help" | calc.exe | grep -q 'misc\.'
// test: echo "1 + 2 *" | calc.exe | grep -q 'error'
// test: echo "* 1 - 2" | calc.exe | grep -q 'error'
// test: echo "2 + * 3" | calc.exe | grep -q 'error'
// test: echo -e '1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1\n1 + 1' | calc.exe -n | grep -q 2
// test: echo -e '1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1\n1 + 1' | calc.exe | grep -q 64
// test: echo -e '1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1\n1 + 1' | calc.exe | grep -q 2
-// test: echo -e '-cos (1)\n1 + 1\n1 - 1\n1 * 1\n1 / 1\n3%2\n2^2\nsqrt (2)\ncos (0)\nsin (0)\natan (0)\nlog (1)\nexp (1)\nans\ne\npi\nsto (1)\nrcl (2)\ndisp\nhelp\nquit' | calc.exe -v 3 | grep -q bye
-// test: echo -e '1 +\n1 -\n1 * 1\n1 /\n3%\n2^\nsqrt ()\ncos ()\nsin ()\natan ()\nlog ()\nexp ()\n1 + (' | calc.exe | grep -c error | xargs test 12 =
+// test: echo -e '-cos (1)\n1 + 1\n1 - 1\n1 * 1\n1 / 1\n3%2\n2^2\nsqrt (2)\ncos (0)\nsin (0)\ntan (0)\nacos (0)\nasin (0)\natan (0)\nlog (1)\nexp (1)\nabs (-1)\nceil (1.2)\nfloor (-1.2)\nans\ne\npi\nsto (1)\nrcl (2)\ndisp\nhelp\nquit' | calc.exe -v 3 | grep -q bye
+// test: echo -e '1 +\n1 -\n1 * 1\n1 /\n3%\n2^\nsqrt ()\ncos ()\nsin ()\ntan ()\nacos ()\nasin ()\natan ()\nlog ()\nexp ()\nabs ()\nceil ()\nfloor ()\n1 + (\n1+2(\n1+2cos\n1+2pi' | calc.exe | grep -c error | xargs test 21 =
// test: echo -e '1 + 1\nans' | calc.exe -p 3 | grep -c 2 | xargs test 2 =
// test: echo -e 'sin (pi / 2)' | calc.exe -p 4 | grep -q 1
// test: echo -e 'e ^ 2' | calc.exe | grep -q '7\.38906'
// test: echo -e '(3 == 4) | (2 > 2)' | calc.exe | grep -q '=> 0'
// test: echo -e '!(3 == 4)' | calc.exe | grep -q '=> 1'
// test: echo -e '!(3 == 3)' | calc.exe | grep -q '=> 0'
-// test: echo -e '1 & 1\n1 | 1\n!(1)\nquit' | calc.exe -v 3 | grep -q bye
+// test: echo -e '1 & 1\n1 | 1\n!1\nquit' | calc.exe -v 3 | grep -qv error
// test: echo -e '(3 == 3) & (4 > 2)' | calc.exe | grep -q '=> 1'
// test: echo -e '3 == 3 & 4 > 2' | calc.exe | grep -q '=> 1'
-// test: echo -e '1 + quit' | calc.exe 2>&1 | grep -q error
-// test: echo -e 'cos (quit)' | calc.exe 2>&1 | grep -q error
-// test: echo -e '(quit)' | calc.exe 2>&1 | grep -q error
+// test: echo -e '1 + quit' | calc.exe | grep -q error
+// test: echo -e 'cos (quit)' | calc.exe | grep -q error
+// test: echo -e '(quit)' | calc.exe | grep -q error
+// test: echo -e 'cos 3.14\n!\n! 3 4' | calc.exe | grep -c error | xargs test 3 =
+// test: echo -e 'sto (2, 3)\ncond (rcl (2) > 2, log (64), exp (75 / 10))' | calc.exe | grep -q '=> 4\.15888'
+// test: echo -e 'sto (2, 1)\ncond (rcl (2) > 2, log (64), exp (75 / 10))' | calc.exe | grep -q '=> 1808\.04'
+// test: echo -e 'sto (2, 1)\ncond (rcl (2) > 2, log (64))' | calc.exe | grep -q '=> 0'
+// test: echo -e 'cond (0, 1, 2)' | calc.exe -v 3 | grep -q Cond
+// test: echo -e 'cond\ncond (\ncond (1 >0,'| calc.exe | grep -c error | xargs test 3 =
+// test: echo -e 'sto (1, 4)\ninc (1)\ninc (1)\ndec (1)\ninc (1)\nrcl (1) == 6' | calc.exe -v 3 | grep -q '=> 1'
+// test: echo -e 'inc\ninc (\ndec\ndec (' | calc.exe | grep -c error | xargs test 4 =
+// test: echo -e 'inc (11)\ndec (0)' | calc.exe | grep -c invalid | xargs test 2 =
+// test: echo -e 'while (inc (1) < 100, sto (2, rcl (1) + rcl (2)))' | calc.exe | grep -q '=> 5050'
+// test: echo -e 'while\nwhile (inc (1) < 3,\nwhile (inc (1) < 100, sto (2, rcl (1) + rcl (2))' | calc.exe | grep -c error | xargs test 3 =
+// test: echo -e 'while (0, 1)' | calc.exe -v 3 | grep -q While
+// test: echo -e '{sto (1, 1 + 1), rcl (1) * 3}' | calc.exe -v 3 | grep -q 'Program'
+// test: echo -e '{sto (1, 1 + 1), rcl (1) * 3}' | calc.exe | grep -q '=> 6'
+// test: echo -e '{\n{}\n{1, 2\n{sto (1, 1 + 1),\npow(2, {sto (1, 1 + 2), 2}, {rcl(2)})\n2 {sto (1, 1 + 1)}' | calc.exe | grep -c error | xargs test 6 =
+// test: echo -e '1 }\n1 )\n1 , 2\n ' | calc.exe | grep -c error | xargs test 3 =
+// test: echo -e 'print (1)' | calc.exe -v 3 | grep -q Print
+// test: echo -e 'si\t\t (pi / 2)' | calc.exe | grep -q '=> 1'
+// test: echo -e '1 + 1;\nans + 1' | calc.exe | grep -qv 2
+// test: echo -e 'mem (3)\nsto (4, pi)' | calc.exe | grep -q "invalid index"
+// test: echo -e 'sto (2, 3)\nmem (2)\ndisp' | calc.exe | grep -q 'storage: 0 3$'
+// test: echo -e 'disp' | calc.exe | grep -q "storage: 0 0 0 0 0 0 0 0 0 0"
+// test: echo -e 'sto (3, 10)\ndisp' | calc.exe | grep -q "storage: 0 0 10 0 0 0 0 0 0 0"
+// test: echo -e 'rcl (3)\ndisp' | calc.exe | grep -q "storage: 0 0 0 0 0 0 0 0 0 0"
+// test: echo -e 'inc (2)\ndisp' | calc.exe | grep -q "storage: 0 1 0 0 0 0 0 0 0 0"
+// test: echo -e 'dec (2)\ndisp' | calc.exe | grep -q "storage: 0 -1 0 0 0 0 0 0 0 0"
+// test: echo -e 'sto (3, pi)\nclr\ndisp' | calc.exe | grep -q "storage: 0 0 0 0 0 0 0 0 0 0"
+// test: echo -e 'mem (3)\nclr' | calc.exe -v 3 | grep -q Clear
+
+// Gauss sequence
+// test: echo -e '{sto (1, 0), sto (10, 0), while (inc (10) < 100, {sto (1, rcl (1) + rcl (10)), print (rcl (1))})};' | calc.exe | grep -q '=> 5050'
+
+// Fibonacci sequence
+// test: echo -e '{sto (1, 1), sto (2, 1), sto (10, 1), while (inc (10) < 12 - 1, {sto (3, rcl (1) + rcl (2)), sto (1, rcl (2)), print (sto (2, rcl (3)))})};' | calc.exe | grep -q '=> 144'
+
+// Gold number
+// test: echo -e '{sto (1, 1), sto (2, 1), sto (10, 1), while (inc (10) < 15 - 1, {sto (3, rcl (1) + rcl (2)), sto (1, rcl (2)), print (sto (2, rcl (3)) / rcl (1))})};' | calc.exe | grep -q '=> 1.61803'
/* vim: set ts=4 sw=4 et: */
Soft'N'Design Software / projects / calc.git / blobdiff