Don't export linenumber global variable

3 files changed, 7 insertions, 8 deletions

diff --git a/lexer.l b/lexer.l
index ee934bb..b7c3585 100644
--- a/lexer.l
+++ b/lexer.l
@@ -5,7 +5,7 @@
 
 #define SIZE_OF_ARR(x) (sizeof(x)/sizeof(x[0]))
 
-int linenumber;
+static int line_number;
 
 /* You need to define for all tokens in C--, here are some examples */
 typedef enum CcmmcToken_enum {
@@ -99,7 +99,7 @@ ERROR           .
                         symtab * ptr;
                         ptr = lookup(yytext);
                         if (ptr == NULL)
-                            insertID(yytext);
+                            insertID(yytext, line_number);
                         else
                             ptr->counter++;
                     }
@@ -124,7 +124,7 @@ ERROR           .
 {OP_NE}         {}
 {OP_EQ}         {}
 
-{NEWLINE}       linenumber++;
+{NEWLINE}       line_number++;
 
 {DL_LPAREN}     {}
 {DL_RPAREN}     {}
@@ -138,7 +138,7 @@ ERROR           .
 
 {ERROR}         {
                     fprintf(stderr, "%d: error: undefined character `%s'\n",
-                        linenumber, yytext);
+                        line_number, yytext);
                 }
 
 
diff --git a/symbol-table.c b/symbol-table.c
index 665c39c..68597f7 100644
--- a/symbol-table.c
+++ b/symbol-table.c
@@ -8,7 +8,6 @@
 #define TABLE_SIZE    256
 
 symtab *hash_table[TABLE_SIZE];
-extern int linenumber;
 
 int HASH(char *str) {
     int idx = 0;
@@ -38,7 +37,7 @@ symtab *lookup(char *name) {
 }
 
 
-void insertID(char *name) {
+void insertID(char *name, int line_number) {
     int hash_key;
     symtab *ptr;
     symtab *symptr = malloc(sizeof(symtab));
@@ -59,7 +58,7 @@ void insertID(char *name) {
     }
 
     strcpy(symptr->lexeme, name);
-    symptr->line = linenumber;
+    symptr->line = line_number;
     symptr->counter = 1;
 }
 
diff --git a/symbol-table.h b/symbol-table.h
index 774b46c..aaeaac0 100644
--- a/symbol-table.h
+++ b/symbol-table.h
@@ -8,7 +8,7 @@ struct symtab {
 
 typedef struct symtab symtab;
 symtab* lookup(char *name);
-void insertID(char *name);
+void insertID(char *name, int line_number);
 void printSymTab(void);
 symtab **fillTab(int *len);