feat: lower typed programs and interpret IR

source/ast/renderer/renderer.hon

@@ -51,6 +51,14 @@ render_function proc(
                 try append_text(renderer, ast.source_text(tree, ast.node_span(tree, expression)))
                 try append_text(renderer, "\n")
             }
+            .return_stmt: {
+                try append_text(renderer, "    return")
+                if (ast.return_stmt(tree, statement).value) |value| {
+                    try append_text(renderer, " ")
+                    try append_text(renderer, ast.source_text(tree, ast.node_span(tree, value)))
+                }
+                try append_text(renderer, "\n")
+            }
             .invalid: try append_text(renderer, "    invalid statement\n")
         }
     }

source/ast/renderer/renderer.test.hon

@@ -1,27 +0,0 @@
-import "@std/mem"
-import "@std/testing"
-import "@source/ast"
-
-renders_semantic_debug_view test {
-    builder := ast.init_builder(mem.c_allocator, "value :: 42")
-    defer ast.deinit_builder(&builder)
-    value :: try ast.add_literal(&builder, .int, ast.Span{ start = 9, end = 11 })
-    declaration :: try ast.add_statement_decl(
-        &builder,
-        ast.Span{ start = 0, end = 11 },
-        ast.Span{ start = 0, end = 5 },
-        null,
-        .constant,
-        value,
-    )
-    declarations [1]ast.NodeId :: [declaration]
-    package :: try ast.add_package(&builder, ast.Span{ start = 0, end = 11 }, declarations[..])
-    tree := ast.finish(&builder, package)
-    defer ast.deinit(&tree)
-    renderer := init(mem.c_allocator)
-    defer deinit(&renderer)
-
-    try render(&renderer, &tree)
-
-    try testing.expect(mem.eql(u8, "package\n  declaration value\n", renderer.bytes.items))
-}