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lang: ast: implement simple identifier and operator expression parsing

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max 🍓
2024-11-27 22:29:29 +00:00
parent 31de937a21
commit 101d87e09d
4 changed files with 503 additions and 50 deletions
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65
lang/ast/node.c
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@@ -11,6 +11,7 @@ extern struct ast_node_type unit_import_node_ops;
extern struct ast_node_type class_node_ops;
extern struct ast_node_type msgh_node_ops;
extern struct ast_node_type selector_node_ops;
extern struct ast_node_type expr_node_ops;
static const struct ast_node_type *node_ops[] = {
[IVY_AST_UNIT] = &unit_node_ops,
@@ -19,15 +20,10 @@ static const struct ast_node_type *node_ops[] = {
[IVY_AST_CLASS] = &class_node_ops,
[IVY_AST_MSGH] = &msgh_node_ops,
[IVY_AST_SELECTOR] = &selector_node_ops,
[IVY_AST_EXPR] = &expr_node_ops,
};
static const size_t nr_node_ops = sizeof node_ops / sizeof node_ops[0];
enum tok_expr_type {
TOK_EXPR_NONE = 0,
TOK_EXPR_BEGIN,
TOK_EXPR_ANY,
};
const struct ast_node_type *get_ast_node_type(enum ivy_ast_node_type type)
{
if (type >= nr_node_ops) {
@@ -37,7 +33,7 @@ const struct ast_node_type *get_ast_node_type(enum ivy_ast_node_type type)
return node_ops[type];
}
static enum tok_expr_type get_tok_expr_type(struct ivy_token *tok)
enum tok_expr_type get_tok_expr_type(struct ivy_token *tok)
{
switch (tok->t_type) {
case IVY_TOK_IDENT:
@@ -112,14 +108,45 @@ token_parse_function get_token_parser(
return NULL;
}
token_parse_function generic_parser = type->n_token_parsers[tok->t_type];
if (!generic_parser) {
generic_parser = type->n_token_parsers[IVY_TOK_NONE];
}
token_parse_function better_parser = NULL;
switch (tok->t_type) {
case IVY_TOK_KEYWORD:
better_parser = type->n_keyword_parsers[tok->t_keyword];
if (type->n_keyword_parsers[IVY_KW_NONE]) {
generic_parser = type->n_keyword_parsers[IVY_KW_NONE];
}
break;
case IVY_TOK_SYMBOL:
better_parser = type->n_symbol_parsers[tok->t_symbol];
if (type->n_symbol_parsers[IVY_SYM_NONE]) {
generic_parser = type->n_symbol_parsers[IVY_SYM_NONE];
}
break;
default:
break;
}
if (better_parser) {
return better_parser;
}
enum token_expr_type expr_type = get_tok_expr_type(tok);
switch (expr_type) {
case TOK_EXPR_BEGIN:
better_parser = type->n_expr_parser.expr_begin
? type->n_expr_parser.expr_begin
: type->n_expr_parser.expr_all;
break;
case TOK_EXPR_ANY:
better_parser = type->n_expr_parser.expr_other
? type->n_expr_parser.expr_other
: type->n_expr_parser.expr_all;
break;
default:
break;
@@ -223,30 +250,6 @@ const char *ivy_ast_node_type_to_string(enum ivy_ast_node_type v)
}
}
const char *ivy_ast_op_to_string(enum ivy_ast_op v)
{
switch (v) {
ENUM_STR(IVY_OP_NONE);
ENUM_STR(IVY_OP_ASSIGN);
ENUM_STR(IVY_OP_ADD);
ENUM_STR(IVY_OP_SUBTRACT);
ENUM_STR(IVY_OP_MULTIPLY);
ENUM_STR(IVY_OP_DIVIDE);
ENUM_STR(IVY_OP_LESS_THAN);
ENUM_STR(IVY_OP_GREATER_THAN);
ENUM_STR(IVY_OP_EQUAL);
ENUM_STR(IVY_OP_NOT_EQUAL);
ENUM_STR(IVY_OP_LESS_EQUAL);
ENUM_STR(IVY_OP_GREATER_EQUAL);
ENUM_STR(IVY_OP_AND);
ENUM_STR(IVY_OP_OR);
ENUM_STR(IVY_OP_IS);
ENUM_STR(IVY_OP_NOT);
default:
return "";
}
}
const char *ivy_ast_msgh_recipient_type_to_string(enum ivy_ast_msgh_recipient_type v)
{
switch (v) {