remove unnecessary code

[calc.git] / calc.c

diff --git a/calc.c b/calc.c
index 873e3103d87dc60de6fcd39074716da3069ef512..869372f7c761af4fcca745ae048294f3a1a2fe7a 100644 (file)
--- a/calc.c
+++ b/calc.c
@@ -176,8 +176,6 @@ int main (int argc, char *argv[])
             } else if (strcmp (buffer, ".") == 0) {
                 break;
             }
-            line[0] = buffer;
-            nb = 1;
 
             /* add line into history */
             add_history (buffer);
@@ -190,21 +188,27 @@ int main (int argc, char *argv[])
                 }
             }
         } 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') {
@@ -212,12 +216,14 @@ int main (int argc, char *argv[])
             }
             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 if (element != NULL) {
                 VERBOSE (INFO, print_element (element, 0));
                 answer = evaluate_element (element, 0);
-                print (answer);
+                if (!element->hidden) {
+                    print (answer);
+                }
                 delelement (element);
                 ret = 0;
             }
@@ -285,7 +291,7 @@ int main (int argc, char *argv[])
 // 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'
@@ -354,20 +360,33 @@ int main (int argc, char *argv[])
 // 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 -v 3 | grep -q 'Code'
 // 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
+// test: echo -e 'prog (2, 2, {rcl (2) - rcl (1)})\nprog (1, 1, {cos (rcl (1)^2)})\ncall (1, pi/6)\nprog (2, 1, {rcl (1) * 3})\ncall (2, 1, 2)\nls' | calc.exe
+// test: echo -e 'prog (1, 2, {rcl (2) - rcl (1)})\ncall (1, 2, 3)\nls\nedit (1)\nprog (1, 2, {rcl (2) + rcl (1)})\nedit (1)\ndel (1)' | calc.exe -v 3 |grep -q Program
+// test: echo -e 'prog (2, 2, {rcl (2) - rcl (1)})\nprog (3, 1, cos(rcl (1) * pi / 3))\ncall (1, 2, 3)\nls\nedit (1)\ndel (1)\n\ndel (2)\ncall (2, 1, 4)' | calc.exe | grep -c error | xargs test 4 =
 
 // 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'
+// 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'
+// 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'
+// 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: */