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lang: ast: implement parsing of inline and standalone if-else statements

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This commit is contained in:
max 🍓
2024-12-04 16:35:19 +00:00
parent d2677e2038
commit c23523ce14
19 changed files with 641 additions and 134 deletions
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25
lang/ast/block.c
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@@ -16,8 +16,26 @@ static struct token_parse_result parse_end(
struct ivy_ast_block_node *node
= (struct ivy_ast_block_node *)(state->s_base.s_node);
int flags = 0;
if (state->s_terminator == IVY_KW_END) {
flags = PARSE_REPEAT_TOKEN;
}
parser_pop_state(ctx, STATE_ADD_NODE_TO_PARENT);
return PARSE_RESULT(IVY_OK, 0);
return PARSE_RESULT(IVY_OK, flags);
}
static struct token_parse_result parse_else(
struct ivy_parser *ctx, struct ivy_token *tok)
{
struct block_parser_state *state
= parser_get_state(ctx, struct block_parser_state);
struct ivy_ast_block_node *node
= (struct ivy_ast_block_node *)(state->s_base.s_node);
parser_pop_state(ctx, STATE_ADD_NODE_TO_PARENT);
return PARSE_RESULT(IVY_OK, PARSE_REPEAT_TOKEN);
}
static struct token_parse_result parse_bang(
@@ -46,7 +64,7 @@ static struct token_parse_result parse_expr_begin(
struct ivy_ast_block_node *node
= (struct ivy_ast_block_node *)(state->s_base.s_node);
parser_push_state(ctx, IVY_AST_EXPR);
parser_push_state(ctx, IVY_AST_EXPR, 0);
return PARSE_RESULT(IVY_OK, PARSE_REPEAT_TOKEN);
}
@@ -61,7 +79,7 @@ static enum ivy_status add_child(
return IVY_OK;
}
static void init_state(struct ivy_parser *ctx, struct parser_state *sp)
static void init_state(struct ivy_parser *ctx, struct parser_state *sp, uintptr_t arg)
{
struct class_parser_state *state = (struct class_parser_state *)sp;
}
@@ -86,6 +104,7 @@ struct ast_node_type block_node_ops = {
.n_node_size = sizeof(struct ivy_ast_block_node),
.n_keyword_parsers = {
KW_PARSER(END, parse_end),
KW_PARSER(ELSE, parse_else),
},
.n_symbol_parsers = {
SYM_PARSER(BANG, parse_bang),