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Author SHA1 Message Date
Jan Nieuwenhuizen 94d1c65bde core: Make symbols constants. 
* mes.c (apply_env,eval_env): Rewrite using switch.
* build-aux/mes-snarf.scm (symbol->header): Define constants.
  (symbol->source): Only update g_free and init cells.
 2016-12-14 19:02:19 +01:00
Jan Nieuwenhuizen dd1daf92e4 Extend Scheme reader, reduce C reader dependency. 
* mes.c (bload_env): Mark as internal.
  (load_env): Likewise.  Load Scheme reader from source.  Remove dumping.
  (dump): New function.
* (vm_begin_env): Allow for gc while read_input_file_env.
  (mes_builtins): Add *dot*.
  (read_input_file_env)[!READER]: Invoke read-input-file.
* module/mes/read-0.mes (read-env): New function.
  (read-word): Support quasisyntax.
  Remove usage of ' thoughout.
* module/mes/repl.mes (repl): Use read instead of read-env. 
* guile/mes.scm (environment): Add *dot*.
* guile/reader.mes: Update.
* NEWS: Update.
 2016-12-13 19:58:34 +01:00
Jan Nieuwenhuizen 90e5f16ef9 Release 0.3. 
* configure (VERSION): Bump to 0.3.
* mes.c (main): Likewise.
* module/mes/repl.mes: Likewise.
 2016-12-12 21:00:02 +01:00
Jan Nieuwenhuizen 3a72f1f186 core: Resurrect QUASIQUOTE=0. 
* mes.c (mes_builtins) [!QUASIQUOTE]: Do not add unquoters.
* module/mes/base-0.mes (push!, pop!, load, mes-use-module): Rewrite
  without quasiquote.
* module/mes/quasiquote.mes (quasiquote): Rewrite using if, and.
* module/srfi/srfi-0 (cond-expand): Rewrite without quasiquote.
 2016-12-12 20:35:19 +01:00
Jan Nieuwenhuizen 2b577eaee0 Add loadable modules. 
* module/mes/base-0.mes (mes-use-module): Implement.
* module/mes: Update users.
* HACKING: Update.
* NEWS: Update.
* configure (main): Use shell expansion for prefix.
* make/install.make (install): Substitute prefix.
 2016-12-12 20:35:19 +01:00
Jan Nieuwenhuizen b92a8f17f8 core: use FIXED_PRIMITIVES rather than environment cache. 
* cache.c: Remove.
* define.c: Remove callers.
* mes.c: Likewise.
  (vm_eval_env) [FIXED_PRIMITIVES]: Hardcode car, cdr, cons, null_p.
* GNUmakefile: Update.
 2016-12-12 20:35:19 +01:00
Jan Nieuwenhuizen 0a614e6543 core: Set max arena size. 
* mes.c (MAX_ARENA_SIZE): New global.
 (gc): Use it.
 2016-12-12 20:35:19 +01:00
Jan Nieuwenhuizen 753b63818c core: Make arena size configurable. 
* mes.c (main): Read MES_ARENA.
* scripts/repl.mes: Set MES_ARENA to 5000000 if not already set.
  Fixes repl startup.
 2016-12-12 20:35:19 +01:00
Jan Nieuwenhuizen 0bdad95f61 core: Grow gc arena gradually. 
* mes.c: (gc_up_arena): New function.
 (gc): Use it when possible.
 (gc_init_cells, gc_init_news): New function.
 (mes_symbols): Use them.
 2016-12-12 20:35:19 +01:00
Jan Nieuwenhuizen e4e29f00b0 core: gc bugfixes. 
* mes.c (make_tmps): New function.
  (make_symbols, gc): Use it.
  (vm_call_with_values_env): New vm function.
  (call-with-values): Call it.
  (eval_env): Do not call eval_env inline.
* define.c (vm_define_env): Use r2 rather than local name.
  (g_symbols): Rename from symbols.
 2016-12-12 20:35:19 +01:00
Jan Nieuwenhuizen f26c7222b2 core: Split-off cache, display, reader. 
* mes.c: Remove cache, display, reader functions.
* cache.c: New file.
* display.c: New file.
* reader.c: New file.
 2016-12-12 20:35:19 +01:00
Jan Nieuwenhuizen 1614d13439 Add reader in Scheme. 
* module/mes/read-0.mes: New file.
* mes.c (char_to_integer, integer_to_char, null_p): Move to core.
 (peek_byte, read_byte, unread_byte): New function.
 (main): --dump, --load: New option.
* lib.c (char_to_integer, integer_to_char): Remove.
* NEWS: Update.
 2016-12-12 20:35:19 +01:00
Jan Nieuwenhuizen e6a0257a79 core: Cleanup cells. 
* mes.c: Use accessors rather than g_cell[] access throughout.
 2016-12-12 20:35:19 +01:00
Jan Nieuwenhuizen d50b0fe24a core: Add function indirection. 
* mes.c (functions): New array.
  (scm_t): Change function pointer to index.
  (make_cell): Handle function.
  (call): Update for function change.
  (display_): Likewise.
  (make_function): New function.
* build-aux/mes-snarf.scm (function->source): Update declarations.
  (function->environment): New function.
 2016-12-12 20:35:19 +01:00
Jan Nieuwenhuizen 61e42e8527 core: Number based cells. 
* mes.c (scm_t): Change car, string, ref, cdr, macro, vector into g_cell index
  [WAS]: scm_t pointer.
* define.c: Update.
* lib.c: Update.
* math.c: Update.
* posix.c: Update.
* quasiquote.c: Update.
* string.c: Update.
* type.c: Update.
* build-aux/mes-snarf.mes Update.
* tests/gc-4.test: New test.
* tests/gc-5.test: New test.
* tests/gc-6.test: New test.
 2016-12-12 20:35:18 +01:00
Jan Nieuwenhuizen 25c29ecb6d core: Integrate garbage collector/jam scraper. 
* mes.c (r0, r1, r2, r3, stack):  New globals.
  (gc_loop): Handle MACRO and SCM.
  (gc_copy): Handle FUNCTION, allow for pre-allocated SCM and SYMBOL.
  (assq): Flag any BROKEN_HEARTs.
  (vm_call): New function.  Enables moving C stack to GC stack.
  (evlis_env, apply_env, eval_env, expand_macro_env, begin_env,
  if_env): Use vm_call-indirection.
  (call_lambda): New function.
  (vm_apply_env): Rename from apply_env.  Remove parameters, instead
  use r1, r2 and r0.
  (vm_evlis_env, vm_eval_env, vm_expand_macro_env, vm_begin_env,
  vm_if_env): Likewise.
  (acons): New function.
  (mes_environment) [!MES_FULL, MES_MINI]: Add cpp switches to create minimally
  filled environment, for debugging.
  (main): Print free value at exit.
* define.c (define_env): Use vm_call-indirection.
  (vm_define_env): Rename from define_env.
* quasiquote.c (eval_quasiquote): Use vm_call-indirection.
  (vm_eval_quasiquote): Rename from eval_quasiquote.
* tests/gc-2.test: New test.
  tests/gc-2a.test: New test.
  tests/gc-3.test: New test.
 2016-12-12 20:35:18 +01:00
Jan Nieuwenhuizen c035a59094 Add sicp garbage example: tests/gc-1.test. 2016-12-12 20:35:18 +01:00
Jan Nieuwenhuizen f3225a77e2 core: Make using GC in switchable, set to off; on dumps core. 2016-12-12 20:35:18 +01:00
Jan Nieuwenhuizen 99cedbfbde core: Add garbage collector/jam collector experiment. 
* mes.c (gc, gc_loop, gc_copy, gc_move, gc_relocate_car,
  gc_relocate_cdr, gc_flip): New function.
* tests/gc-0.test: New file.
 2016-12-12 20:35:18 +01:00
Jan Nieuwenhuizen 376bb5d62b Release 0.2. 
* configure (VERSION): Bump to 0.2.
* mes.c (main): Likewise.
* module/mes/repl.mes: Likewise.
 2016-12-12 20:33:50 +01:00
Jan Nieuwenhuizen 07778d3b70 core: Show more info on apply error. 
* mes.c (apply_env): Be more specific about what cannot be applied.
 2016-12-12 20:33:50 +01:00
Jan Nieuwenhuizen ffd2d3df4f core: Bugfix: report name of undefined variable. 
* mes.c (assert_defined): Add variable as parmeter, print it.  Update
  callers.
 2016-12-12 20:33:50 +01:00
Jan Nieuwenhuizen 6c70e92276 core: Use switch in display_helper. 
*mes (display_helper): Use switch.
 2016-12-12 20:33:50 +01:00
Jan Nieuwenhuizen a0709313ca core: Refactor eval. 
* mes.c (eval_env): Rename from builtin_eval, Update callers.  Use switch.
 2016-12-12 20:33:50 +01:00
Jan Nieuwenhuizen 7e8341d76c core: One SCM type for function. 
* mes.c (function_t): New struct.
  (type): One type for function.
  (call): Refactor.
* build-aux/mes-snarf.mes: Use arity annotation.  WAS: args.  Update
  annotations.
 2016-12-12 20:33:50 +01:00
Jan Nieuwenhuizen 0eda7383f2 core: Cleanup macro expansion. 
* mes.c (builtin_eval): Call expand_macro_env after handling primitives.
  (expand_macro_env): Include syntax-case expansion, remove skipping
  of primitives.
  (sc_expand_env): Remove.
 2016-12-12 20:33:50 +01:00
Jan Nieuwenhuizen bcd6cd9dcc core: Factor-out assert_defined. 
* mes.c (assert_defined): New function.
  (set_env_x): Use it.
  (builtin_eval): Use it.
 2016-12-12 20:33:50 +01:00
Jan Nieuwenhuizen 97300ef6ae Implement load. 
* mes.c (symbol_primitive_load): New symbol.
  (builtin_eval): Use it to implement primitive-load.
* module/mes/base-0.mes (push!, pop!): New macro.
  (load): New macro.
* tests/data/load.scm: New file.
* tests/base.test (load): New test.
 2016-12-12 20:33:49 +01:00
Jan Nieuwenhuizen 70bdab7090 posix: Implement open-input-file. 
* posix.c: New file.
* mes.c: Include posix.environment.h, posix.environment.i, posix.environment.c.
  (read_input_file_env): Rename from read_file_env.  Update
  callers.
  (load_env): Rename from load_file_env.  Update callers.
* GNUmakefile (mes.o): Add posix.c, posix.environment.h,
  posix.environment.i dependencies.
 2016-12-12 20:33:49 +01:00
Jan Nieuwenhuizen 1e2e2f2a4a core: Support switching of input stream. 
* mes.c (g_stdin): New global.
  (getchar): New function, use g_stdin.
  (ungetchar): Use g_stdin.
  (main): Initialize g_stdin to stdin.
 2016-12-12 20:33:49 +01:00
Jan Nieuwenhuizen 2b373ff40f Finalize psyntax integration. 
* mes.c (sc_expand_env): Exclude primitives, expand native macros.
  (symbol_expand_macro): New symbol.
* module/mes/psyntax-0.mes (properties-alist): New function.
* module/mes/psyntax-1.mes: Set expand-macro.
  (define-syntax, syntax-rules, let-syntax): Remove macro.
* module/language/c/parser.mes: Use psyntax modules, remove syntax module.
* module/language/paren.mes: Likewise.
* scripts/repl.mes: Likewise.
* tests/match.test: Likewise.
* tests/record.test: Likewise.
* tests/psyntax.test (define-syntax swap!): Add test.
* module/mes/let-syntax.mes: Remove.
* module/mes/syntax.mes: Remove.
 2016-12-12 20:33:49 +01:00
Jan Nieuwenhuizen c851935d4d core: Quoted internals are symbols. 
* mes.c (begin_env): Rename from begin.  Update callers.
  (scm_begin, scm_if, scm_define, scm_set_x): Rename from symbol_*.
  (symbol_begin, symbol_define, symbol_if, scm_lambda, scm_set_x): New symbols.
  (mes_environment): Add them to environment, SYMBOL->SCM.
* define.c (define_env): Rename from define.  Update callers.
* build-aux/mes-snarf.scm: Shadow internals (SCM) by their symbol.
 2016-12-12 20:33:49 +01:00
Jan Nieuwenhuizen f1ae9edd0d core: Fix quasisyntax reading. 
* mes.c (readword): Avoid unspecified behaviour in comma list.
 2016-12-12 20:33:49 +01:00
Jan Nieuwenhuizen d18542e25f Initial psyntax integration. 
* mes.c (sc_expand_env): New function.
  (builtin_eval): Use it.
* module/mes/psyntax-0.mes: New file.
* module/mes/psyntax-1.mes: New file.
* tests/psyntax.test: New file.
* GNUmakefile (TESTS): Add it.
 2016-12-12 20:33:49 +01:00
Jan Nieuwenhuizen d34dba24f2 core: Add compile time switch for quasisyntax. 
* mes.c [QUASISYNTAX]: New switch.  Default off.
 (builtin_eval) [QUASISYNTAX]: Handle syntax, unsyntax, quasisyntax.
* quasiquote.c (syntax, unsyntax, unsyntax_splicing, eval_quasisyntax,
  add_unsyntaxers) [QUASISYNTAX]: Available only.
 2016-12-12 20:33:49 +01:00
Jan Nieuwenhuizen ad717d4bba More error handling on apply_env. 
* mes.c (apply_env): Assert if applying *unspecified*.
 2016-12-12 20:33:49 +01:00
Jan Nieuwenhuizen 332d2655cf Bugfix assq_ref_cache for running without environment cache. 
* mes.c (assq_ref_cache) [!ENV_CACHE]: Return *undefined* if nothing
  found.
 2016-12-12 20:33:49 +01:00
Jan Nieuwenhuizen 2cad00527e Error handling on failing set!. 
* mes.c (set_env_x): Produce error message [WAS: dump core].
 2016-12-12 20:33:49 +01:00
Jan Nieuwenhuizen 3b4e9f36c8 Simplify toplevel read. 
* mes.c (read_file_env): Rename from read_file.
 (load_file_env): New function.
 (main): Use it.
 2016-12-12 20:33:49 +01:00
Jan Nieuwenhuizen 1f511481a3 Fix values. 
* mes.c (call): Respect any other non-value arguments.
* tests/scm.test (values, values 2, values 3, call-with-values): New test.
 2016-12-12 20:33:49 +01:00
Jan Nieuwenhuizen f593a5c9d7 Define garbage collector/jam collector primitives. 
* mes.c (make_cell): New primitive alongside make_vector for allocation.
  (cons, make_char, make_macro, make_number, make_ref,
  internal_make_symbol, make_vector): Use it.
 2016-12-12 20:33:49 +01:00
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 3849c48f79 Release 0.1. 
* configure (VERSION): Bump to 0.1.
* mes.c (main): Likewise.
* module/mes/repl.mes: Likewise.
 2016-11-20 21:47:47 +01:00
Jan Nieuwenhuizen 2823fca025 Avoid gratuitous consing with begin and quasiquote. 
* mes.c (apply_env, main): Call begin rather than eval with cons'ed
  symbol begin.
* module/mes/mes-0.mes (apply-env): Likewise.
* quasiquote.c (add_unquoters): cons global unquoters rather than
  creating it fresh.
* module/mes/mes-0.mes (add-unquoters): Likewise.
 2016-10-23 10:08:04 +02:00
Jan Nieuwenhuizen 011102bc12 Remove dead code. 
* mes.c (mes_environment): Remove dead code.
 2016-10-22 20:58:33 +02:00
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
Jan Nieuwenhuizen e282117de9 Move strings to string.c. 
* mes.c (string, string_append, list_to_string, string_length,
  string_ref, substring, number_to_string, string_to_symbol,
  symbol_to_string): Move to string.c
* string.c: New file.
* GNUmakefile (mes.o): Depend on string snarf output.
 2016-10-22 20:18:03 +02:00
Jan Nieuwenhuizen be2f3bc274 Move arithmetic functions to math.c. 
* mes.c (greater_p, less_p, is_p, minus, divide, modulo, multiply,
  logior): Move to math.c.
* math.c: New file.
* GNUmakefile (mes.o): Depend on math snarf output.
 2016-10-22 20:07:12 +02:00
Jan Nieuwenhuizen 27247383d7 Move define, define-macro to define.c. 
* mes.c (define, define-macro): Move to define.c
* define.c: New file.
* GNUmakefile (mes.o): Depend on define snarf output.
 2016-10-22 19:36:54 +02:00