init

1 files changed, 34 insertions, 0 deletions

diff --git a/src/tokenizer.rs b/src/tokenizer.rs
new file mode 100644
index 0000000..085c1d3
--- /dev/null
+++ b/src/tokenizer.rs
@@ -0,0 +1,34 @@
+use phf::{Map, phf_map};
+
+#[derive(Clone, Copy, Debug)]
+pub enum If {
+    If,
+    Else,
+}
+
+#[derive(Clone, Copy, Debug)]
+pub enum Loop {
+    For,
+    While,
+}
+
+pub enum Keyword {
+    If(If),
+    Loop(Loop),
+    Throw,
+    IO,
+}
+
+pub static KEYWORDS: Map<&'static str, Keyword> = phf_map! {
+    "if" => Keyword::If(If::If),
+    "else" => Keyword::If(If::Else),
+    "for" => Keyword::Loop(Loop::For),
+    "while" => Keyword::Loop(Loop::While),
+    "throw" => Keyword::Throw,
+    "println" => Keyword::IO,
+    "print" => Keyword::IO,
+};
+
+pub fn parse(keyword: &str) -> Option<&Keyword> {
+    KEYWORDS.get(keyword)
+}