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lox-lang
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Lox language interpreter written in Rust
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lox-lang
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# lox-lang Lox language interpreter written in Rust ## Run ```kt fun main() { print "hello world!" } main(); ``` `cargo run example.lox` ## Test `cargo test` > Most of the test and benchmark files are copied from [Crafting Interpreters](https://github.com/munificent/craftinginterpreters) repository. The copyright for these belongs to Bob Nystrom and are copied here because their license allows it (MIT). ## Benchmark  ### Rust (this interpreter) ``` $ python3 run_lox_benchmarks.py lox Running benchmarks for lox... tests/benchmarks/lox arithmetic.lox: 2.8146 binary_trees.lox: 6.4399 equality.lox: 3.6683 fib.lox: 2.1664 instantiation.lox: 2.7269 invocation.lox: 0.8192 method_call.lox: 0.5381 properties.lox: 1.1997 trees.lox: 9.0106 zoo.lox: 0.927 ``` ### Python v3.12.3 ``` $ python3 run_lox_benchmarks.py python Running benchmarks for python... tests/benchmarks/python arithmetic.py: 2.617 binary_trees.py: 2.5121 equality.py: 2.6572 fib.py: 1.3623 instantiation.py: 2.4031 invocation.py: 0.5649 method_call.py: 0.2729 properties.py: 0.9565 trees.py: 2.5539 zoo.py: 0.7307 ``` ### Perl v5.34.1 ``` $ python3 run_lox_benchmarks.py perl Running benchmarks for perl... tests/benchmarks/perl arithmetic.pl: 1.2259 binary_trees.pl: 7.158 equality.pl: 1.5235 fib.pl: 4.7082 instantiation.pl: 4.24 invocation.pl: 0.9832 method_call.pl: 1.11 properties.pl: 1.574 trees.pl: 12.1001 zoo.pl: 1.2363 ``` ### Clox (Crafting Interpreters) ``` $ python3 run_lox_benchmarks.py clox Running benchmarks for clox... tests/benchmarks/lox arithmetic.lox: 0.749 binary_trees.lox: 3.8906 equality.lox: 2.0149 fib.lox: 1.0654 instantiation.lox: 1.8701 invocation.lox: 0.2706 method_call.lox: 0.1883 properties.lox: 0.4145 trees.lox: 2.6955 zoo.lox: 0.3104 ```
