Implement module loading and imports

crates/decodal-core/src/lib.rs

@@ -6,6 +6,7 @@ pub mod ast;
 pub mod diagnostic;
 pub mod eval;
 pub mod lexer;
+pub mod module;
 pub mod parser;
 pub mod runtime;
 pub mod span;
@@ -14,9 +15,10 @@ pub use ast::{Ast, BinaryOp, CompareOp, Expr, ExprId, Field, Literal, Param};
 pub use diagnostic::{Diagnostic, DiagnosticKind, Result};
 pub use eval::Engine;
 pub use lexer::{Lexer, Token, TokenKind};
-pub use parser::{ParseOutput, Parser, parse_source};
-pub use runtime::{Data, RuntimeValue};
-pub use span::Span;
+pub use module::{EmptyLoader, LoadedSource, Module, SourceLoader};
+pub use parser::{ParseOutput, Parser, SourceForm, parse_source, parse_source_with_source_id};
+pub use runtime::{Data, ExprRef, ModuleId, RuntimeValue};
+pub use span::{SourceId, Span};
 
 pub fn version() -> &'static str {
     env!("CARGO_PKG_VERSION")