set basic repo structure

grammar/build.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+# Get the directory of the script
+SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
+# Change to the script directory
+cd "$SCRIPT_DIR"
+# Set the output directory
+OUTPUT_DIR="../src/semantic/antlr-generated"
+# Create the output directory if it doesn't exist
+mkdir -p "$OUTPUT_DIR"
+# Run ANTLR to generate lexer and parser
+antlr4 -Dlanguage=Cpp -no-listener -visitor MXLexer.g4 MXParser.g4 -o "$OUTPUT_DIR"
+# Return to the original directory
+cd - > /dev/null