8 Commits

Author	SHA1	Message	Date
Jose Luis Montañes Ojados	2c91cbb561	Add // line comments, grouped parentheses, and NODE_NOP ... - Parse // comments in parse_statement by consuming tokens until newline - Add NODE_NOP for no-op statements (comments) - Support grouped expressions with parentheses in parse_term	2026-02-16 22:41:52 +01:00
Jose Luis Montañes Ojados	21efb0563b	Allow function calls in expressions and add len() built-in ... - Parse function calls in parse_term() so they work inside expressions (e.g. z = len(x), y = len(x) + 1) - Add len() built-in for string length in evaluator	2026-02-16 18:31:39 +01:00
Jose Luis Montañes Ojados	a36e52a9c3	Replace print/println keywords with generic function call mechanism ... - Add NODE_CALL with name, args, and arg_count to parser - Add TOK_COMMA token and tokenize (, ), , in lexer - Remove TOK_PRINT/TOK_PRINTLN keywords; print/println are now regular identifiers resolved as built-in functions in the evaluator - Add NODE_CALL debug output in ast_print	2026-02-16 18:14:39 +01:00
Jose Luis Montañes Ojados	dd67537598	Add string type support: literals, concatenation, println, and if eval ... - Implement string literal tokenization and parsing (lexer + parser) - Add string concatenation with + operator in evaluator - Add println keyword for printing with newline - Add NODE_IF evaluation in VM - Fix null terminator bug in string concat buffer	2026-02-16 17:40:12 +01:00
Jose Luis Montañes Ojados	65220f88c6	Add if statements, unary minus, and fix GC safe points ... - Lexer: recognize 'if' as keyword (TOK_IF) - Parser: add NODE_IF with if_statement union, parse if/cond/body, handle unary minus in parse_term as 0 - expr - Eval: add NODE_IF evaluation, move GC to NODE_BLOCK level to avoid destroying temporary values during sub-expression evaluation	2026-02-16 05:12:28 +01:00
Jose Luis Montañes Ojados	84b3abbfda	Add while loops, GC mark-and-sweep, and malloc block reuse ... - Lexer: add INDENT/DEDENT tokens, <, >, : operators, while keyword, closing DEDENT emission, include guards - Parser: add NODE_WHILE with while_loop union, parse while/cond/body blocks, include guards - Eval: add while loop evaluation, GC integration with roots from env, debug and gc flags, <, > comparison operators - GC: implement mark-and-sweep collector with 3 stages (mark roots, sweep unmarked, join free blocks) - Allocator: block reuse via first-fit search with splitting, exponential heap growth, NULL check on malloc, include guards, marked field in metadata - Object: add include guards, fix include to use allocator.h	2026-02-16 04:55:52 +01:00
Jose Luis Montañes Ojados	14b6a2ddd2	Add * and / operators, VM step debugger, and visualizer tweaks ... Support multiply and divide in lexer, parser and eval. Add step-by-step VM debug output with AST and heap visualization. Remove spacing in visualizer hex output.	2026-02-16 02:24:37 +01:00
Jose Luis Montañes Ojados	e2896fac5b	Add lexer, parser and AST debug printer ... Implements tokenizer for basic tokens (INT, ID, ASSIGN, PLUS, MINUS, NEWLINE, PRINT), recursive descent parser for assignments and binary expressions, and tree-formatted AST visualization with ast_debug().	2026-02-16 01:36:41 +01:00