move most of main to lib.rs

3 files changed, 71 insertions, 64 deletions

diff --git a/Cargo.toml b/Cargo.toml
index c6a109d..4f90bfc 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,6 +4,9 @@ version = "0.1.0"
 authors = ["Edvard Thörnros <edvard.thornros@gmail.com>"]
 edition = "2018"
 
+[lib]
+name = "tihdy"
+
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..aef8c53
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1,67 @@
+use std::path::Path;
+
+pub mod compiler;
+pub mod tokenizer;
+pub mod vm;
+
+mod error;
+
+use error::Error;
+use tokenizer::TokenStream;
+
+pub fn run_file(path: &Path) -> Result<(), Vec<Error>> {
+    run(tokenizer::file_to_tokens(path), path)
+}
+
+pub fn run_string(s: &str) -> Result<(), Vec<Error>> {
+    run(tokenizer::string_to_tokens(s), Path::new("builtin"))
+}
+
+pub fn run(tokens: TokenStream, path: &Path) -> Result<(), Vec<Error>> {
+    match compiler::compile("main", path, tokens) {
+        Ok(block) => vm::run_block(block).or_else(|e| Err(vec![e])),
+        Err(errors) => Err(errors),
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::{run_file, run_string};
+    use crate::error::{Error, ErrorKind};
+    use std::path::Path;
+
+    macro_rules! assert_errs {
+        ($result:expr, [ $( $kind:pat ),* ]) => {
+            println!("{} => {:?}", stringify!($result), $result);
+            assert!(matches!(
+                $result.unwrap_err().as_slice(),
+                &[$(Error {
+                    kind: $kind,
+                    file: _,
+                    line: _,
+                    message: _,
+                },
+                )*]
+            ))
+        };
+    }
+
+    #[test]
+    fn unreachable_token() {
+        assert_errs!(run_string("<!>\n"), [ErrorKind::Unreachable]);
+    }
+
+    macro_rules! test_file {
+        ($fn:ident, $path:literal) => {
+            #[test]
+            fn $fn() {
+                let file = Path::new($path);
+                assert!(run_file(&file).is_ok());
+            }
+        };
+    }
+    test_file!(order_of_operations, "tests/order-of-operations.tdy");
+    test_file!(variables, "tests/variables.tdy");
+    test_file!(scoping, "tests/scoping.tdy");
+    test_file!(if_, "tests/if.tdy");
+}
diff --git a/src/main.rs b/src/main.rs
index e25aab4..ab5f4a0 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,12 +1,6 @@
 use std::path::{Path, PathBuf};
 
-mod error;
-mod tokenizer;
-mod vm;
-mod compiler;
-
-use error::Error;
-use tokenizer::TokenStream;
+use tihdy::run_file;
 
 fn main() {
     let file = file_from_args().unwrap_or_else(|| Path::new("tests/simple.tdy").to_owned());
@@ -21,60 +15,3 @@ fn main() {
 fn file_from_args() -> Option<PathBuf> {
     std::env::args().skip(1).map(|s| Path::new(&s).to_owned()).find(|p| p.is_file())
 }
-
-fn run_file(path: &Path) -> Result<(), Vec<Error>> {
-    run(tokenizer::file_to_tokens(path), path)
-}
-
-fn run_string(s: &str) -> Result<(), Vec<Error>> {
-    run(tokenizer::string_to_tokens(s), Path::new("builtin"))
-}
-
-fn run(tokens: TokenStream, path: &Path) -> Result<(), Vec<Error>> {
-    match compiler::compile("main", path, tokens) {
-        Ok(block) => vm::run_block(block).or_else(|e| Err(vec![e])),
-        Err(errors) => Err(errors),
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    use super::{run_file, run_string};
-    use crate::error::{Error, ErrorKind};
-    use std::path::Path;
-
-    macro_rules! assert_errs {
-        ($result:expr, [ $( $kind:pat ),* ]) => {
-            println!("{} => {:?}", stringify!($result), $result);
-            assert!(matches!(
-                $result.unwrap_err().as_slice(),
-                &[$(Error {
-                    kind: $kind,
-                    file: _,
-                    line: _,
-                    message: _,
-                },
-                )*]
-            ))
-        };
-    }
-
-    #[test]
-    fn unreachable_token() {
-        assert_errs!(run_string("<!>\n"), [ErrorKind::Unreachable]);
-    }
-
-    macro_rules! test_file {
-        ($fn:ident, $path:literal) => {
-            #[test]
-            fn $fn() {
-                let file = Path::new($path);
-                assert!(run_file(&file).is_ok());
-            }
-        };
-    }
-    test_file!(order_of_operations, "tests/order-of-operations.tdy");
-    test_file!(variables, "tests/variables.tdy");
-    test_file!(scoping, "tests/scoping.tdy");
-    test_file!(ifs, "tests/if.tdy");
-}