Print sorted list of identifiers in main

1 files changed, 20 insertions, 3 deletions

diff --git a/main.c b/main.c
index 2f939d9..2fd1c2c 100644
--- a/main.c
+++ b/main.c
@@ -1,14 +1,31 @@
 #include <stdio.h>
+#include <stdlib.h>
 #include "lexer.h"
 #include "symbol-table.h"
 
-int main(int argc, char **argv)
-{
+static int id_compare(const void *a, const void *b) {
+    const symtab *aa = *(const symtab**)a;
+    const symtab *bb = *(const symtab**)b;
+    return strcmp(aa->lexeme, bb->lexeme);
+}
+
+int main(int argc, char **argv) {
     if (argc > 1)
         yyin = fopen(argv[1], "r");
     else
         yyin = stdin;
     yylex();
-    printSymTab();
+
+    int len;
+    symtab **id_list = fillTab(&len);
+    qsort(id_list, len, sizeof(symtab*), id_compare);
+
+    puts("Frequency of identifiers:");
+    for (int i = 0; i < len; i++) {
+        printf("%-16s%d\n", id_list[i]->lexeme, id_list[i]->counter);
+    }
+
     return 0;
 }
+
+// vim: set sw=4 ts=4 sts=4 et: