Function do_traversal

pub fn do_traversal(
    state: &mut CompileState,
    package_index: &PackageIndex,
    data_index: &DataIndex,
    root: Program,
) -> Result<Program, Vec<AstError>>

Builds symbol tables for the given brane-dsl AST.

This effectively resolves variable references.

Arguments

• state: The CompileState that we can use to remember definitions in between runs.
• package_index: The PackageIndex which we use to resolve external function calls.
• data_index: The DataIndex which we use to resolve external data assets.
• root: The root node of the tree on which this compiler pass will be done.

Returns

The same nodes as went in, but now with non-empty symbol tables.

Errors

TThis pass may throw AstError::ResolveErrors if the user made mistakes with their variable references.