Remove separate parser code.

implementations/C/.gitignore

@@ -1,2 +1 @@
 joy
-parser

implementations/C/parser.c

@@ -1,68 +0,0 @@
-#include <stddef.h>
-#include <stdio.h>
-#include <string.h>
-#include <gc.h>
-
-
-const char *BLANKS = " \t";
-const char *TEXT = " 23 [dup   *] i hi there  fr  [[]  ie]nd]  []    23      ";
-
-
-char *
-trim_leading_blanks(char *str)
-{
-	size_t offset = strspn(str, BLANKS);
-	return (offset == strlen(str)) ? NULL : (str + offset);
-}
-
-
-int
-main(void)
-{
-	char *rest, *text, *snip;
-	ptrdiff_t diff;
-
-	text = trim_leading_blanks((char *)TEXT);
-	if (NULL == text) {
-		/* All blanks. */
-		return 1;
-	}
-
-	rest = strpbrk(text, " []");
-	/*
-	rest now points to a space or '[' or ']' after a term,
-	-or- it is NULL if the rest of the string is a single term
-	with no spaces nor brackets.
-	*/
-
-	while (NULL != rest) {
-
-		/* How many chars have we got? */
-		diff = rest - text;
-		/*
-		diff can be zero when there is more than one space in
-		a sequence in the input string.  This won't happen on
-		the first iteration but it can on later iterations.
-		*/
-
-		if (diff) {
-			/* Allocate space and copy out the substring. */
-			snip = (char *)GC_malloc(diff + 1);
-			strncat(snip, text, diff);
-			printf("%s\n", snip);
-		}
-
-		/* The next char is a space or '[' or ']'. */
-		if ('[' == rest[0] || ']' == rest[0]) {
-			printf("%c\n", rest[0]);
-		}
-
-		text = trim_leading_blanks(++rest);
-
-		/* calling strpbrk on NULL caused segfault! */
-		rest = (NULL != text) ? strpbrk(text, " []") : text;
-	}
-	if (text) {
-		printf("%s\n", text);
-	}
-}