Use lrpar for parsing, big 'ol syntax overhaul

Signed-off-by: Alek Ratzloff <alekratz@gmail.com>

build.rs

@@ -1,5 +1,13 @@
-use lalrpop;
+use cfgrammar::yacc::YaccKind;
+use lrlex::LexerBuilder;
+use lrpar::{CTParserBuilder};
 
-fn main() {
-    lalrpop::process_root().unwrap();
+fn main() -> Result<(), Box<dyn std::error::Error>> {
+    let lex_rule_ids_map = CTParserBuilder::new()
+        .yacckind(YaccKind::Grmtools)
+        .process_file_in_src("vm/obj/syn/parser.y")?;
+    LexerBuilder::new()
+        .rule_ids_map(lex_rule_ids_map)
+        .process_file_in_src("vm/obj/syn/lexer.l")?;
+    Ok(())
 }