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Three issues resolved:
1. scanner_run() no longer takes Fype*. New signature:
scanner_run(List*, Tupel*, char **c_filename_out)
Verbose-mode list_iterate() and basename extraction moved to
fype_run() (the composition root), leaving scanner_run() as pure
tokenizer: open source -> tokenize -> post-process -> return filename.
2. interpret_run() no longer takes Fype*. New signature:
interpret_run(List *p_list_token, Hash *p_hash_syms)
Fype* unpacking happens in fype_run(); interpret.h no longer includes
fype.h. scanner.h no longer includes fype.h either.
3. _CODESTR_INDEX file-global (which made the scanner non-reentrant)
moved into the Scanner struct as i_codestr_index, initialized to 0
in scanner_new(). _scanner_has_next_char() and _scanner_get_next_char()
use p_scanner->i_codestr_index instead.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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- Add FuncDef struct to symbol.h/symbol.c: holds body token list,
strdup'd param names, and param count; replaces the bare List* that
SYM_FUNCTION used to store; funcdef_delete frees param strings and
body list (tokens are GC-managed)
- Add CONTROL_RET to ControlType so ret can propagate cleanly through
the interpreter's control-flow stack
- Update _func_decl to parse optional (p1, p2, ...) param list and store
a FuncDef* instead of a raw List*
- Implement case TT_RET in _control: clears intermediate stack values,
evaluates comma-separated return expressions, sets CONTROL_RET
- Propagate CONTROL_RET in all loop bodies (while/until, loop, do)
without clearing it; while/until rescues return values from the
temporary condition stack before it is destroyed
- Update _term call site to support parenthesised func(arg1, arg2)
syntax alongside the existing no-parens style for backward compat
- Modify interpret_subprocess to merge the sub's stack into the parent
when CONTROL_RET is active so return values survive teardown
- Update function_process_self_defined SYM_FUNCTION case to pop and
bind named args, run the body, then clear CONTROL_RET
- Add -D_POSIX_C_SOURCE=200809L to Makefile CFLAGS for strdup under
-std=c99 -pedantic
- Add examples/func_args_ret.fy covering zero-arg, single-arg,
two-arg, conditional ret, multiple return values, and old-style
no-parens backward compat
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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