Switch to lalrpop for parsing/lexing

1 files changed, 14 insertions, 0 deletions

diff --git a/src/taiga.lalrpop b/src/taiga.lalrpop
new file mode 100644
index 0000000..b60d68f
--- /dev/null
+++ b/src/taiga.lalrpop
@@ -0,0 +1,14 @@
+use std::str::FromStr;
+use ast;
+
+grammar;
+
+pub Program: ast::Program = {
+    Expression => ast::Program(<>),
+};
+
+Expression: Box<ast::Expression> = {
+    Num => Box::new(ast::Expression::Number(<>)),
+};
+
+Num: u64 = r"[0-9]+" => u64::from_str(<>).unwrap();