Split AST into separate files.

src/ast/mod.rs

@@ -0,0 +1,19 @@
+//! Module defining the AST (abstract syntax tree).
+
+pub mod ast;
+pub mod expr;
+pub mod flags;
+pub mod ident;
+pub mod script_fn;
+pub mod stmt;
+
+pub use ast::{ASTNode, AST};
+pub use expr::{BinaryExpr, CustomExpr, Expr, FloatWrapper, FnCallExpr, FnCallHashes};
+pub use flags::{FnAccess, OptionFlags, AST_OPTION_FLAGS};
+pub use ident::Ident;
+#[cfg(not(feature = "no_function"))]
+pub use script_fn::{ScriptFnDef, ScriptFnMetadata};
+pub use stmt::{OpAssignment, Stmt, StmtBlock};
+
+#[cfg(feature = "no_function")]
+pub struct ScriptFnDef;