59 lines
1.6 KiB
C
59 lines
1.6 KiB
C
#include "ctx.h"
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#include "iterate.h"
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#include "node.h"
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#include <ivy/lang/ast.h>
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static struct token_parse_result parse_package_keyword(
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struct ivy_parser *ctx, struct ivy_token *tok)
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{
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parser_push_state(ctx, IVY_AST_UNIT_PACKAGE);
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return PARSE_RESULT(IVY_OK, 0);
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}
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static struct token_parse_result parse_use_keyword(
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struct ivy_parser *ctx, struct ivy_token *tok)
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{
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parser_push_state(ctx, IVY_AST_UNIT_IMPORT);
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return PARSE_RESULT(IVY_OK, 0);
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}
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static struct token_parse_result parse_class_keyword(
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struct ivy_parser *ctx, struct ivy_token *tok)
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{
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parser_push_state(ctx, IVY_AST_CLASS);
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return PARSE_RESULT(IVY_OK, 0);
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}
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static enum ivy_status add_child(
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struct ivy_ast_node *parent, struct ivy_ast_node *child)
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{
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struct ivy_ast_unit_node *unit = (struct ivy_ast_unit_node *)parent;
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b_queue_push_back(&unit->n_children, &child->n_entry);
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return IVY_OK;
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}
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static void collect_children(
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struct ivy_ast_node *node, struct ivy_ast_node_iterator *iterator)
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{
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struct ivy_ast_unit_node *unit = (struct ivy_ast_unit_node *)node;
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b_queue_iterator it = {0};
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b_queue_foreach (&it, &unit->n_children) {
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struct ivy_ast_node *child
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= b_unbox(struct ivy_ast_node, it.entry, n_entry);
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ast_node_iterator_enqueue_node(iterator, node, child);
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}
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}
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struct ast_node_type unit_node_ops = {
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.n_add_child = add_child,
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.n_collect_children = collect_children,
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.n_state_size = sizeof(struct parser_state),
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.n_node_size = sizeof(struct ivy_ast_unit_node),
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.n_keyword_parsers = {
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[IVY_KW_PACKAGE] = parse_package_keyword,
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[IVY_KW_CLASS] = parse_class_keyword,
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[IVY_KW_USE] = parse_use_keyword,
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},
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};
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