add: vector SymbolTable init

src/main.rs

@@ -1,4 +1,5 @@
 #![allow(unused_imports)]
+#![allow(dead_code)]
 
 use std::env;
 use std::fs::File;
@@ -6,6 +7,15 @@ use std::io::{BufRead, BufReader};
 use log::{debug, error, info, trace, warn};
 use plume_log::{PlumeBuilder, success};
 
+struct SymbolRow {
+    sym: String,
+    _type: String,
+    scope: String,
+    is_const: bool,
+}
+
+static SYM_TABLE: Vec<SymbolRow> = Vec::new();
+
 fn main() -> std::io::Result<()>{
     PlumeBuilder::new()
 	.with_level(log::LevelFilter::Trace)