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lang: ast: implement control flags returned by parser functions

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max 🍓
2024-11-26 21:30:40 +00:00
parent 740df312a9
commit cd89c20beb
9 changed files with 177 additions and 98 deletions
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45
lang/ast/class.c
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@@ -14,26 +14,27 @@ struct class_parser_state {
int s_prev_token;
};
static enum ivy_status parse_dollar(struct ivy_parser *ctx, struct ivy_token *tok)
static struct token_parse_result parse_dollar(struct ivy_parser *ctx, struct ivy_token *tok)
{
struct class_parser_state *state
= parser_get_state(ctx, struct class_parser_state);
if (state->s_current_area != AREA_BODY) {
return IVY_ERR_BAD_SYNTAX;
return PARSE_RESULT(IVY_ERR_BAD_SYNTAX, 0);
}
parser_push_state(ctx, IVY_AST_PROPERTY);
return IVY_OK;
return PARSE_RESULT(IVY_OK, 0);
}
static enum ivy_status parse_plus(struct ivy_parser *ctx, struct ivy_token *tok)
static struct token_parse_result parse_plus(
struct ivy_parser *ctx, struct ivy_token *tok)
{
struct class_parser_state *state
= parser_get_state(ctx, struct class_parser_state);
if (state->s_current_area != AREA_BODY) {
return IVY_ERR_BAD_SYNTAX;
return PARSE_RESULT(IVY_ERR_BAD_SYNTAX, 0);
}
parser_push_state(ctx, IVY_AST_MSGH);
@@ -42,16 +43,17 @@ static enum ivy_status parse_plus(struct ivy_parser *ctx, struct ivy_token *tok)
= (struct ivy_ast_msgh_node *)msgh_state->s_node;
msgh->n_recipient = IVY_AST_MSGH_CLASS;
return IVY_OK;
return PARSE_RESULT(IVY_OK, 0);
}
static enum ivy_status parse_hyphen(struct ivy_parser *ctx, struct ivy_token *tok)
static struct token_parse_result parse_hyphen(
struct ivy_parser *ctx, struct ivy_token *tok)
{
struct class_parser_state *state
= parser_get_state(ctx, struct class_parser_state);
if (state->s_current_area != AREA_BODY) {
return IVY_ERR_BAD_SYNTAX;
return PARSE_RESULT(IVY_ERR_BAD_SYNTAX, 0);
}
parser_push_state(ctx, IVY_AST_MSGH);
@@ -60,10 +62,11 @@ static enum ivy_status parse_hyphen(struct ivy_parser *ctx, struct ivy_token *to
= (struct ivy_ast_msgh_node *)msgh_state->s_node;
msgh->n_recipient = IVY_AST_MSGH_OBJECT;
return IVY_OK;
return PARSE_RESULT(IVY_OK, 0);
}
static enum ivy_status parse_ident(struct ivy_parser *ctx, struct ivy_token *tok)
static struct token_parse_result parse_ident(
struct ivy_parser *ctx, struct ivy_token *tok)
{
struct class_parser_state *state
= parser_get_state(ctx, struct class_parser_state);
@@ -72,19 +75,20 @@ static enum ivy_status parse_ident(struct ivy_parser *ctx, struct ivy_token *tok
= (struct ivy_ast_class_node *)(state->s_base.s_node);
if (state->s_current_area != AREA_IDENT) {
return IVY_ERR_BAD_SYNTAX;
return PARSE_RESULT(IVY_ERR_BAD_SYNTAX, 0);
}
if (state->s_prev_token == IVY_TOK_IDENT) {
return IVY_ERR_BAD_SYNTAX;
return PARSE_RESULT(IVY_ERR_BAD_SYNTAX, 0);
}
node->n_ident = tok;
state->s_prev_token = IVY_TOK_IDENT;
return IVY_OK;
return PARSE_RESULT(IVY_OK, 0);
}
static enum ivy_status parse_end(struct ivy_parser *ctx, struct ivy_token *tok)
static struct token_parse_result parse_end(
struct ivy_parser *ctx, struct ivy_token *tok)
{
struct class_parser_state *state
= parser_get_state(ctx, struct class_parser_state);
@@ -93,29 +97,30 @@ static enum ivy_status parse_end(struct ivy_parser *ctx, struct ivy_token *tok)
= (struct ivy_ast_class_node *)(state->s_base.s_node);
if (state->s_current_area == AREA_IDENT) {
return IVY_ERR_BAD_SYNTAX;
return PARSE_RESULT(IVY_ERR_BAD_SYNTAX, 0);
}
parser_pop_state(ctx, STATE_ADD_NODE_TO_PARENT);
return IVY_OK;
return PARSE_RESULT(IVY_OK, 0);
}
static enum ivy_status parse_linefeed(struct ivy_parser *ctx, struct ivy_token *tok)
static struct token_parse_result parse_linefeed(
struct ivy_parser *ctx, struct ivy_token *tok)
{
struct class_parser_state *state
= parser_get_state(ctx, struct class_parser_state);
if (state->s_current_area != AREA_IDENT) {
return IVY_OK;
return PARSE_RESULT(IVY_OK, 0);
}
if (state->s_prev_token != IVY_TOK_IDENT) {
return IVY_ERR_BAD_SYNTAX;
return PARSE_RESULT(IVY_ERR_BAD_SYNTAX, 0);
}
state->s_prev_token = IVY_TOK_LINEFEED;
state->s_current_area = AREA_BODY;
return IVY_OK;
return PARSE_RESULT(IVY_OK, 0);
}
static enum ivy_status add_child(