t2

crates/codegen/runtime/cargo/crate/src/runtime/compilation/internal.rs

@@ -1 +1,57 @@
-pub struct InternalCompilation {}
+use std::collections::BTreeMap;
+use std::rc::Rc;
+
+use semver::Version;
+
+use crate::parser::{ParseOutput, Parser, ParserInitializationError};
+
+pub enum FileEntry {
+    Resolved {
+        id: String,
+
+        parse_output: ParseOutput,
+    },
+    Unresolved,
+}
+
+#[derive(thiserror::Error, Debug)]
+pub enum CompilationInitializationError {
+    #[error("Unsupported language version '{0}'.")]
+    UnsupportedLanguageVersion(Version),
+}
+
+pub struct Compilation {
+    parser: Parser,
+    files: BTreeMap<String, FileEntry>,
+}
+
+impl Compilation {
+    pub fn create(version: Version) -> std::result::Result<Self, CompilationInitializationError> {
+        let parser = match Parser::create(version) {
+            Ok(parser) => parser,
+            Err(ParserInitializationError::UnsupportedLanguageVersion(version)) => {
+                return Err(CompilationInitializationError::UnsupportedLanguageVersion(
+                    version,
+                ));
+            }
+        };
+
+        Ok(Self {
+            parser,
+            files: BTreeMap::new(),
+        })
+    }
+
+    pub fn version(&self) -> &Version {
+        &self.parser.version
+    }
+
+    pub fn add_file(&mut self, id: String, contents: &str) {
+
+
+        let parse_output = self.parser.parse(Parser::ROOT_KIND, contents);
+
+        self.files
+            .insert(id.clone(), File(Rc::new(FileData { id, parse_output })));
+    }
+}