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lang: ast: implement ast iteration

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iteration is implementing without recursion, instead using type-specific callbacks to construct a queue of nodes to iterate through. ast priting is implemented using this functionality.
This commit is contained in:
max 🍓
2024-11-24 20:50:12 +00:00
parent 5622073252
commit 1e7e73db21
7 changed files with 188 additions and 7 deletions
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16
lang/include/ivy/lang/ast.h
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@@ -59,17 +59,22 @@ enum ivy_ast_msgh_recipient_type {
IVY_AST_MSGH_CLASS,
};
struct ivy_ast_node_iterable {
struct ivy_ast_node_iterator {
b_queue it_queue;
b_queue_entry *it_insert_after;
};
struct ivy_ast_node_iterator_entry {
b_queue_entry it_entry;
unsigned int it_depth;
};
typedef enum ivy_status(*ivy_ast_node_iteration_callback)(struct ivy_ast_node *, unsigned int);
typedef enum ivy_status(*ivy_ast_node_iteration_callback)(struct ivy_ast_node *, struct ivy_ast_node_iterator *);
struct ivy_ast_node {
enum ivy_ast_node_type n_type;
b_queue_entry n_entry;
struct ivy_ast_node_iterable n_it;
struct ivy_ast_node_iterator_entry n_it;
};
struct ivy_ast_unit_node {
@@ -245,7 +250,10 @@ IVY_API struct ivy_ast_node *ivy_parser_dequeue_node(struct ivy_parser *parser);
IVY_API enum ivy_status ivy_parser_push_token(
struct ivy_parser *parser, struct ivy_token *tok);
IVY_API void ivy_ast_node_iterate(struct ivy_ast_node *node);
IVY_API enum ivy_status ivy_ast_node_iterate(
struct ivy_ast_node *node,
struct ivy_ast_node_iterator *it,
ivy_ast_node_iteration_callback callback);
IVY_API void ivy_ast_node_print(struct ivy_ast_node *node);
IVY_API void ivy_ast_node_destroy(struct ivy_ast_node *node);