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implemented member access parsing

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Lorenzo Torres 2025-12-01 11:22:44 +01:00
parent c566f7d490
commit d1b89939ae
4 changed files with 33 additions and 1 deletions
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23
parser.c
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@ -233,6 +233,10 @@ ast_node *parse_expression(parser *p)
left = node;
}
/*
* If after parsing an expression a `[` character
* is found, it should be an array subscript expression.
*/
if (match(p, TOKEN_LSQUARE)) {
ast_node *index = parse_expression(p);
ast_node *node = arena_alloc(p->allocator, sizeof(ast_node));
@ -247,6 +251,25 @@ ast_node *parse_expression(parser *p)
return node;
}
/*
* If after parsing an expression a `.` character
* is found, it should be a member access expression.
*/
if (match(p, TOKEN_DOT)) {
if (!match_peek(p, TOKEN_IDENTIFIER)) {
error(p, "expected identifier after member access.");
return NULL;
}
ast_node *node = arena_alloc(p->allocator, sizeof(ast_node));
node->type = NODE_ACCESS;
node->expr.access.expr = left;
node->expr.access.member = p->tokens->lexeme;
node->expr.access.member_len = p->tokens->lexeme_len;
advance(p);
return node;
}
return left;
}