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3 commits

Author SHA1 Message Date
Jan Nieuwenhuizen 16f678a158 Implement strings and symbols as list of characters [WAS: c-string]. 
* mes.c (scm_t): Add string field.
  (make_string, internal_lookup_symbol, internal_make_symbol,
  make_symbol, lookup, readword): Take scm*.  Update callers.
  (display_helper): Support string field.
  (append_char): New function.
  (readstring): Use it.  Produce scm*.
  (cstring_to_list): New function.
  (add_environment, internal_make_symbol): Use it.
  (list_of_char_equal_p): New function.
  (internal_lookup_symbol): Use it.
* lib.c (list_ref): New function.
* string.c (string_ref): Use it.
  (string, string_append, string_length, substring, number_to_string,
  string_to_symbol, symbol_to_string): Update to list-of-characters
  implementation.
 2016-12-12 20:33:48 +01:00
Jan Nieuwenhuizen d209a18121 Introduce reference type, use vectors of SCM. 
* mes.c (type): Add REF.
  (scm_t): Add ref, change vector to *scm_t.  Update users.
  (alloc): New function.
  (cons, make_char, make_macro, make_number, make_string,
  internal_make_symbol, make_vector): Use it.
  (make_ref): New function.
  (vector_entry): New function.
  (make_vector, list_to_vector, vector_set_x): Use it.
  (vector_ref): Dereference REF entry.
  (display_helper): Handle REF.
* lib.c (vector_to_list): Handle REF.
* type.c (ref_p): New function.
* tests/vector.test (vector list): New test.

Bugfix vector-ref.

* mes.c (vector-ref): Make copies of simple values.  Fixes lalr.
* tests/vector.test (vector-set! 3): New test.
 2016-12-12 20:33:48 +01:00
Jan Nieuwenhuizen 6a4395869b Move other post-boot and derived functions to lib.c. 
* mes.c (c*r, length, last_pair, builtin_list, vector_to_list,
  integer_to_char, char_to_integer, builtin_exit): Move to lib.c.
* lib.c: New file.
* GNUmakefile (mes.o): Depend on lib snarf output.
 2016-10-22 20:51:32 +02:00