iris

commit d8c92ecdb7344cd14ad018e66cbd9734c71e6f13
parent bebc3700274e39d89ee2eda2f01c6e20fa41bf07
Author: sin <sin@2f30.org>
Date:   Fri,  9 May 2014 16:58:55 +0100

Factor out lexer driver in a separate function

Diffstat:
M
repl.c
 | 
26
++++++++++++++++----------

1 file changed, 16 insertions(+), 10 deletions(-)
diff --git a/repl.c b/repl.c
@@ -6,26 +6,32 @@
 #include "debug.h"
 #include "util.h"
 
+static void
+lexertest(char *buf)
+{
+	struct tok tok;
+	struct lexerctx ctx;
+
+	resetlexer(&ctx);
+	do {
+		tok = gettok(&ctx, buf, strlen(buf));
+		printtok(&tok);
+			putchar('\n');
+	} while (tok.type != Eof && tok.type != Error);
+}
+
 int
 main(void)
 {
 	char *buf = NULL;
 	size_t sz = 0;
-	struct tok tok;
-	struct lexerctx ctx;
 
 	puts("Welcome to iris, use ^C to quit");
 	do {
 		printf("> ");
 		fflush(stdout);
-		if (afgets(&buf, &sz, stdin)) {
-			resetlexer(&ctx);
-			do {
-				tok = gettok(&ctx, buf, strlen(buf));
-				printtok(&tok);
-				putchar('\n');
-			} while (tok.type != Eof && tok.type != Error);
-		}
+		if (afgets(&buf, &sz, stdin))
+			lexertest(buf);
 		if (ferror(stdin)) {
 			fprintf(stderr, "input error\n");
 			return EXIT_FAILURE;