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genx.sh

@@ -76,31 +76,39 @@ appendStd() {
     mv "$temp_file" "$1"
 }
 
-
+ass() {
-if [ $# -eq 1 ]; then
+    gcc "$1" library/alpha_lib_reg.s library/alpha_driver.s -no-pie -o binaries/${2}
-    if [ -f "$1" ]; then
-        if [[ "$1" == *.alpha ]]; then
-            appendStd "$1"
-            ./alpha -cg "$1"
-            backup_file="${1}.bak"
-            if [ -f "$backup_file" ]; then
-                mv "$backup_file" "$1"
-                echo -e "${GREEN}[GenX] ${WHITE}Reverted $1 to its original state."
-            fi
-
-            filename=$(basename -- "$1")
-            filename="${filename:0:${#filename}-6}"
-            s_name="out/${filename}.s"
-            echo -e "${GREEN}[GenX] ${WHITE}Generated .s file."
-            gcc ${s_name} library/alpha_lib_reg.s library/alpha_driver.s -no-pie -o binaries/${filename}
     if [ $? -eq 0 ]; then
-                echo -e "${GREEN}[GenX] ${WHITE}Generated executable file."
+        echo -e "${GREEN}[GenX] ${WHITE}Executable file: binaries/${2}"
-                echo -e "${GREEN}[GenX] ${WHITE}Executable file: binaries/${filename}"
         echo -e "${GREEN}[GenX] ${WHITE}Done!"
     else
         echo -e "${RED}[GenX] ${YELLOW}Error generating executable file!${WHITE}"
         exit 1
     fi
+}
+
+
+if [ $# -eq 1 ]; then
+    if [ -f "$1" ]; then
+        filename=$(basename -- "$1")
+        if [[ "$1" == *.alpha ]]; then
+            filename="${filename:0:${#filename}-6}"
+            s_name="out/${filename}.s"
+            appendStd "$1"
+            ./alpha -ir -tc -asc -cg -st "$1"
+            backup_file="${1}.bak"
+            if [ -f "$backup_file" ]; then
+                mv "$backup_file" "$1"
+            fi
+
+            echo -e "${GREEN}[GenX] ${WHITE}Generated .s file."
+            ass "$s_name" "$filename"
+        elif [[ "$1" == *.s ]]; then
+            filename="${filename:0:${#filename}-2}"
+            s_name="out/${filename}.s"
+            echo -e "${GREEN}[GenX] ${WHITE}File $1 is a .s file! (Skipping compiler)${WHITE}"
+            ass "$s_name" "$filename"
+            exit 1
         else
             echo -e "${RED}[GenX] ${YELLOW}File $1 is not a .alpha file!${WHITE}"
             exit 1

src/grammar.y

@@ -306,7 +306,9 @@ function_declaration:
             if(getAdInfoType(table_lookup(cur, $4))==TYPE_FUNCTION_TYPE){
             //printf("%s\n",$2);
             //printf("%s\n",getName(table_lookup(cur, $4)));
-            CreateEntry(cur,TYPE_FUNCTION_DECLARATION, table_lookup(cur, $4), $2, CreateFunctionDeclarationInfo(-1, false,NULL));
+            if (CreateEntry(cur,TYPE_FUNCTION_DECLARATION, table_lookup(cur, $4), $2, CreateFunctionDeclarationInfo(-1, false,NULL)) == undefined) {
+                throw_error(ERROR_TYPE, "Duplicate defination of function in function declaration");
+            }
         }
             else{
                 throw_error(ERROR_TYPE, "Function declatation (%s) is not a valid function type", $2);
@@ -318,7 +320,9 @@ function_declaration:
     |   EXTERNAL FUNCTION ID COLON ID
         {
             if(getAdInfoType(look_up(cur, $5))==TYPE_FUNCTION_TYPE){
-            CreateEntry(cur,TYPE_FUNCTION_DECLARATION, look_up(cur, $5), $3, CreateFunctionDeclarationInfo(-1, false,NULL));
+            if (CreateEntry(cur,TYPE_FUNCTION_DECLARATION, look_up(cur, $5), $3, CreateFunctionDeclarationInfo(-1, false,NULL)) == undefined) {
+                throw_error(ERROR_TYPE, "Duplicate defination of function in function declaration");
+            }
         }
             else{
                 throw_error(ERROR_TYPE, "Function declatation (%s) is not a valid function type", $3);
@@ -1579,7 +1583,7 @@ void throw_error(ErrorType error_type, const char *format, ...) {
     }
 
     if (asc_flag) {
-        /* yyerror(""); */
+        yyerror("");
         int needed = snprintf(NULL, 0, "     LINE (%d:%d) ** %s ERROR: ", line, column, error_name);
         char *error_message = malloc(needed + 1);
         snprintf(error_message, needed + 1, "     LINE (%d:%d) ** %s ERROR: ", line, column, error_name);