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author | Vincent Ambo <mail@tazj.in> | 2020-11-28T17·20+0100 |
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committer | tazjin <mail@tazj.in> | 2020-11-28T17·26+0000 |
commit | 36cf7bef24bbd5ffccc8bac47a8c4d10dd5a265c (patch) | |
tree | ccec3463fde0fc088f575d534745a1648844578e /users/tazjin/rlox/src/interpreter.rs | |
parent | af793325c03d88add6efbcc9425a3db488f2cff9 (diff) |
refactor(tazjin/rlox): Thread through scanner errors r/1956
... and show them to users, very crudely. Change-Id: If4491b14db1124313f6ab7e5fbfdce9fea501d11 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2193 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
Diffstat (limited to 'users/tazjin/rlox/src/interpreter.rs')
-rw-r--r-- | users/tazjin/rlox/src/interpreter.rs | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/users/tazjin/rlox/src/interpreter.rs b/users/tazjin/rlox/src/interpreter.rs index 8031329e7074..77f2492a46a2 100644 --- a/users/tazjin/rlox/src/interpreter.rs +++ b/users/tazjin/rlox/src/interpreter.rs @@ -1,9 +1,24 @@ -use crate::scanner; +use crate::errors::{report, Error}; +use crate::scanner::{self, Token}; // Run some Lox code and print it to stdout pub fn run(code: &str) { let chars: Vec<char> = code.chars().collect(); - for token in scanner::scan(&chars) { + + match scanner::scan(&chars) { + Ok(tokens) => print_tokens(tokens), + Err(errors) => report_errors(errors), + } +} + +fn print_tokens<'a>(tokens: Vec<Token<'a>>) { + for token in tokens { println!("{:?}", token); } } + +fn report_errors(errors: Vec<Error>) { + for error in errors { + report(&error); + } +} |