Initial Commit

Signed-off-by: Will Hawkins <hawkinsw@obs.cr>

Sources/p4lm/p4lm.swift

@@ -0,0 +1,25 @@
+// The Swift Programming Language
+// https://docs.swift.org/swift-book
+
+import SwiftTreeSitter
+import TreeSitterP4
+
+func parse(_ source: String) -> Optional<MutableTree> {
+
+    let p4lang = Language(tree_sitter_p4())
+
+    let p = Parser.init()
+
+    do {
+        try p.setLanguage(p4lang)
+    } catch {
+        return .none
+    }
+
+    let result = p.parse(source)
+
+    guard let tree = result else {
+        return .none
+    }
+    return  tree
+}