implement internal tokeniser

1 files changed, 37 insertions, 5 deletions

diff --git a/src/main.c b/src/main.c
index cd5eb3a..ed9c413 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1,16 +1,48 @@
 #include "opt.h"
+#include "err.h"
+#include "tok.h"
 
 #include <stdio.h>
+#include <errno.h>
+
+
+
 
 int main(int argc, char **argv)
 {
+	FILE *fi = stdin;
+	struct tok_s t;
+
 	opt_parse(argc, argv);
 
-	if (opt_infile_str())
-		puts(opt_infile_str());
+	if (opt_infile_str() != NULL) {
+		fi = fopen(opt_infile_str(), "r");
+		TRY(fi != NULL, "could not read file `%s`", opt_infile_str());
+	}
+
+	while (1) {
+		t = tok_get(fi);
+
+		if (t.type == TOK_UNKNWN || t.type == TOK_END)
+			break;
+
+		printf("%s:%zu:%zu: ", (fi == stdin ? "stdin" : opt_infile_str()),
+				t.line, t.col);
+
+		if (t.type > TOK_QMARK) {
+			printf("%u, `%s`\n", t.type, t.val);
+		} else {
+			printf("%u\n", t.type);
+		}
+	};
+
+	if (t.type == TOK_UNKNWN) {
+		printf("%s:%zu:%zu: error: unrecognised token `%s`\n",
+				(fi == stdin ? "stdin" : opt_infile_str()),
+				t.line, t.col, t.val);
+	}
+
+	fclose(fi);
 
-	if (opt_outfile_str())
-		puts(opt_outfile_str());
-	
 	return 0;
 }