chore(tazjin/rlox): Wire scanner to interpreter to reduce warnings r/1927

... they're just noisy at the moment. This isn't complete because it
doesn't thread through scanner errors.

Change-Id: I0f75d2b20fa3f57be1af5d1d8aa8059856855825
Reviewed-on: https://cl.tvl.fyi/c/depot/+/2162
Reviewed-by: tazjin <mail@tazj.in>
Tested-by: BuildkiteCI

2 files changed, 18 insertions, 1 deletions

diff --git a/users/tazjin/rlox/src/interpreter.rs b/users/tazjin/rlox/src/interpreter.rs
index 6a7687c2685e..2aff971f09a5 100644
--- a/users/tazjin/rlox/src/interpreter.rs
+++ b/users/tazjin/rlox/src/interpreter.rs
@@ -1,4 +1,8 @@
+use crate::scanner;
+
 // Run some Lox code and print it to stdout
-pub fn run(_code: &str) {
+pub fn run(code: &str) {
+    let chars: Vec<char> = code.chars().collect();
+    let _tokens = scanner::scan(&chars);
     println!("no interpreter yet, sorry")
 }
diff --git a/users/tazjin/rlox/src/scanner.rs b/users/tazjin/rlox/src/scanner.rs
index 659f280de72b..edd85496a73e 100644
--- a/users/tazjin/rlox/src/scanner.rs
+++ b/users/tazjin/rlox/src/scanner.rs
@@ -133,3 +133,16 @@ impl<'a> Scanner<'a> {
         return self.tokens;
     }
 }
+
+pub fn scan<'a>(input: &'a [char]) -> Vec<Token<'a>> {
+    let scanner = Scanner {
+        source: &input,
+        tokens: vec![],
+        errors: vec![],
+        start: 0,
+        current: 0,
+        line: 0,
+    };
+
+    return scanner.scan_tokens();
+}