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lang: ast: implement parsing of lambdas

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This commit is contained in:
max 🍓
2024-12-06 22:26:06 +00:00
parent 68ad0655aa
commit dba4f123d6
6 changed files with 218 additions and 14 deletions
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36
lang/ast/expr/arith.c
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@@ -81,8 +81,7 @@ enum ivy_status arith_push_operand(
}
case IVY_TOK_ATOM: {
struct ivy_ast_atom_node *v
= (struct ivy_ast_atom_node *)ast_node_create(
IVY_AST_ATOM);
= (struct ivy_ast_atom_node *)ast_node_create(IVY_AST_ATOM);
v->n_content = tok;
b_queue_push_back(&state->s_output_queue, &v->n_base.n_entry);
break;
@@ -646,7 +645,6 @@ struct token_parse_result arith_parse_left_brace(
struct ivy_parser *ctx, struct ivy_token *tok)
{
return PARSE_RESULT(IVY_ERR_NOT_SUPPORTED, 0);
}
struct token_parse_result arith_parse_right_brace(
@@ -655,14 +653,29 @@ struct token_parse_result arith_parse_right_brace(
struct expr_parser_state *state
= parser_get_state(ctx, struct expr_parser_state);
if (state->s_terminator == IVY_SYM_RIGHT_BRACE) {
state->s_prev_token = IVY_SYM_RIGHT_BRACE;
struct token_parse_result result = expr_finalise_and_return(ctx, state);
result.r_flags = PARSE_REPEAT_TOKEN;
return result;
}
state->s_prev_token = IVY_SYM_RIGHT_BRACE;
struct token_parse_result result = expr_finalise_and_return(ctx, state);
result.r_flags = PARSE_REPEAT_TOKEN;
return result;
}
return PARSE_RESULT(IVY_ERR_NOT_SUPPORTED, 0);
struct token_parse_result arith_parse_left_bracket(
struct ivy_parser *ctx, struct ivy_token *tok)
{
parser_push_state(ctx, IVY_AST_LAMBDA, 0);
return PARSE_RESULT(IVY_OK, 0);
}
struct token_parse_result arith_parse_right_bracket(
struct ivy_parser *ctx, struct ivy_token *tok)
{
struct expr_parser_state *state
= parser_get_state(ctx, struct expr_parser_state);
state->s_prev_token = IVY_SYM_RIGHT_BRACKET;
struct token_parse_result result = expr_finalise_and_return(ctx, state);
result.r_flags = PARSE_REPEAT_TOKEN;
return result;
}
static struct ivy_ast_selector_node *keyword_selector_from_label_list(b_queue *labels)
@@ -1088,7 +1101,8 @@ struct token_parse_result arith_parse_comma(
= parser_get_state(ctx, struct expr_parser_state);
if (state->s_terminator == IVY_SYM_COMMA) {
struct token_parse_result result = expr_finalise_and_return(ctx, state);
struct token_parse_result result
= expr_finalise_and_return(ctx, state);
result.r_flags = PARSE_REPEAT_TOKEN;
return result;
}