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Author SHA1 Message Date
Jan Nieuwenhuizen cb1fa49767 core: Throw exceptions rather than asserts. 
* lib.c (error): Throw instead of assert.
  (check_formals, check_apply): Update.
* mes.c (scm_symbol_unbound_variable, scm_symbol_not_a_pair,
  scm_symbol_system_error, scm_symbol_wrong_number_of_args,
  scm_symbol_wrong_type_arg, scm_symbol_unbound_variable): New symbols.
  (car, cdr, set_cdr_x, set_env_x, eval_apply, gc_up_arena): Update.
 2016-12-28 22:26:33 +01:00
Jan Nieuwenhuizen 2675f711a3 core+scm: Implement exception handling. 
* mes.c (scm_symbol_throw): New symbol.
* module/mes/catch.scm (catch, throw): Implement [WAS: syntactic sugar].
  (make-exception, exception?, exception-key, exception-args): Remove.
* tests/catch.test ("catch", "catch 22"): Add tests.
* module/mes/base-0.scm: Include it.
 2016-12-28 22:26:07 +01:00
Jan Nieuwenhuizen 04bb0cb79d Revert "core: Display me debuggor CPS+CC." 
This reverts commit 6c327b5bdceae6fc59ac8cce4aed99ea0a491846.
 2016-12-28 16:37:06 +01:00
Jan Nieuwenhuizen 134f39ce22 core: Display me debuggor CPS+CC. 
Having display in the core is handy for debugging.
This is a courtesy commit intended to prevent bitrot.

* GNUmakefile (mes.o): Depend on display.
* mes.c: Include display.
* display.c: New file.
 2016-12-28 16:35:12 +01:00
Jan Nieuwenhuizen d0f7db73f9 core: Add continuations, call/cc. 
* mes.c (type_t): Add CONTINUATION.
  (scm_t): Add continuation;
  (scm_call_with_current_continuation): New symbol.
  (scm_symbol_call_with_current_continuation): New special.
  (g_continuations): New global
  (CONTINUATION): New field accessor.
  (MAKE_CONTINUATION): New make_cell helper.
  (car_): Update.
  (eval_apply): Implement call/cc.
* module/mes/display.mes (display): Handle continuations.
* module/mes/type-0.mes (<cell:continuation>): New type.
  (cell-type-alist): Add it.
  (continuation?): New function.
* tests/base.test ("call/cc"): New test.
 2016-12-28 22:04:57 +01:00
Jan Nieuwenhuizen b66cd8627c core: Rewrite eval_apply in continuation passing style. 
* mes.c (scm_vm_evlis, scm_vm_evlis2, scm_vm_evlis3, scm_vm_apply,
  scm_vm_apply2, scm_vm_eval, scm_vm_eval_set_x, scm_vm_eval_macro,
  scm_vm_eval2, scm_vm_macro_expand, scm_vm_begin,
  scm_vm_begin_read_input_file, scm_vm_begin2, scm_vm_if,
  scm_vm_if_expr, scm_vm_call_with_values, scm_vm_call_with_values2,
  scm_vm_return): New specials.
  (scm_vm_eval_car, scm_vm_eval_cdr, scm_vm_eval_cons,
  scm_vm_eval_null_p)[PRIMITIVE-EVAL]: New specials.
  (eval_apply_t, g_target): Remove.
  (push_cc): New function.
  (eval_apply): Rewrite.
  (vm_call, eval_env, apply_env, eval_env, macro_expand_env, begin_env,
  call_with_values_env): Remove.
* posix.c (stderr_): Update.
* reader.c (read_input_file_env): Update.
* module/mes/base-0.mes: Update.
 2016-12-28 21:55:42 +01:00
Jan Nieuwenhuizen 2ae1eec0eb core: Move GNUisms inside #if. 
* mes.c: Move GNUisms inside #if, add Nyacc #ifs.
 (tmp_num2, tmp_num3): Remove.
 (make_tmps): Update.
 (g_free): Make simple int.  Update users.
* lib.c: Update users.
* build-aux/mes-snarf.scm (GCC?): New switch to enable GNU extensions.
 2017-01-04 10:52:36 +01:00
Jan Nieuwenhuizen d0e222dac3 core: Expose command line. 
* mes.c (scm_symbol_argv): New symbol
  (main): Use it to add argv to environment.
* module/mes/base.mes (command-line): New function.
 2017-01-04 09:16:18 +01:00
Jan Nieuwenhuizen 3dd219b891 Fix core:car, core:cdr for specials. 
* mes.c (car_, cdr_): Return special.  Fixes string->list, returning nil.
* tests/scm.test ("string-length", "string->list"): New tests.
 2017-01-04 09:12:16 +01:00
Jan Nieuwenhuizen 9848c90738 core: Add continuation on stack. 
* mes.c (r3): New stack variable.
  (mes_g_stack): Initialize it.
  (gc_push_frame): Add it.
  (gc_peek_frame): Set it.
 2017-01-04 09:07:11 +01:00
Jan Nieuwenhuizen 23c1e33a6d core: Uniformize calling of apply. 
* mes.c (eval_apply): Have apply take one argument, like all other vm
  functions: r1; cons of function f and argument list x.  Sorry John.
  (r2): Repurpose as save/load register.  Update users.
  (r3): Remove.
  (vm_call): Remove p2.  Update callers.
 2017-01-04 09:05:56 +01:00
Jan Nieuwenhuizen a80ced8f84 core: Refactor stack handling. 
* mes.c (gc_pop_frame, gc_push_frame): New Functions.
  (gc_frame, gc_stack): Remove.
  (vm_call): Update callers.
* lib.c (dump, bload_env): Update callers.
 2017-01-04 08:52:04 +01:00
Jan Nieuwenhuizen 5f8eedacec Display: If possible, show name of closure. 
* module/mes/display.mes (display): Lookup closure's name and display it.
 2017-01-04 08:49:45 +01:00
Jan Nieuwenhuizen 41207c663e Remove hardcoded duplication of version. 
* GNUmakefile (CPPFLAGS): Include VERSION.
* mes.c (main): Use it.  Add --dump and --load to --help.
  (scm_symbol_mes_prefix, scm_symbol_mes_version): New sybols.
  (mes_symbols): Use them to set prefix and version.
* module/mes/base-0.mes (effective-version): Use %version.
* module/mes/repl.mes (welcome): Likewise.
 2016-12-25 15:38:26 +01:00
Jan Nieuwenhuizen 95a7782089 Revert "core: Display me debuggor." 
This reverts commit 53ec23a0edcfdcb7dd4e32277e5a24e0a8fab5dd.
 2016-12-25 11:54:14 +01:00
Jan Nieuwenhuizen 6014e56f68 core: Display me debuggor. 
Having display in the core is handy for debugging.
This is a courtesy commit intended to prevent bitrot.

* GNUmakefile (mes.o): Depend on display.
* mes.c: Include display.
* display.c: New file.
 2016-12-25 11:53:55 +01:00
Jan Nieuwenhuizen 9dcbdf2135 Revert "core: FAT_C_READER: Show your speed." 
This reverts commit 5a9b9ac36bd33e497272b287ab1f0db715e01d38.
 2016-12-25 09:57:19 +01:00
Jan Nieuwenhuizen d8ea0d593b core: FAT_C_READER: Show your speed. 
scripts/nyacc.mes runs in 4s rather than 18s with fat C reader.
This is a courtesy commit intended to prevent bitrot.

* mes.c (quasiquote, unquote, unquote_splicing, syntax, quasisyntax,
  unsyntax, unsyntax_splicing): Add symbols.
* reader.c (char_eof, char_nul, char_alarm, char_backspace, char_tab,
  char_newline, char_vtab, char_page, char_return,
  char_space)[FAT_C_READER]: New global variables.
  (make_keyword, read_block_comment, read_character, read_hex,
  append_char, read_string, fat_c_lookup_, fat_c_eat_whitespace,
  fat_c_read_word): New functions.
  (eat_whitespace_, read_word_, lookup_)[FAT_C_READER]: Add hook.
 2016-12-25 08:41:27 +01:00
Jan Nieuwenhuizen 49f1c4e5f3 Refactor reader. 
* module/mes/read-0.mes (read-hash): New function.
  (read-word): Use it.
  (eat-whitespace): Rewrite.
  (display): Minimal implementation through core.
* lib.c (stderr_): Support printing of strings while booting.
 2016-12-24 22:16:53 +01:00
Jan Nieuwenhuizen 7cb8aea66f core: Remove c3+r abbreviatons. 
* lib.c (caaar, caadr, caddr, cdadr, cadar, cddar, cdddr, cadddr):
  Remove.
* mes.c: Rewrite callers
* module/mes/read-0.mes: Rewrite callers.
* module/mes/base.mes (caaar, caadr, caddr, cdadr, cadar, cddar, cdddr,
  cadddr): New function.
 2016-12-24 14:21:36 +01:00
Jan Nieuwenhuizen f1e0165faf core: Move dump, load, bload to lib.c. 
* lib.c (dump, load, bload): Move from mes.c
* mes.c (dump, load, bload): Remove.
 2016-12-24 14:05:33 +01:00
Jan Nieuwenhuizen 15163e9dc1 core: Add getenv, verbose module loading on MES_DEBUG. 
* mes.c (MAKE_REF, MAKE_STRING): Oops, remove stray semicolon.
* posix.c (getenv_): New function.
* module/mes/base-0.mes (load): Use it to switch on MES_DEBUG=1.
  (mes-use-module): Remove commented-out code.
 2016-12-24 14:09:48 +01:00
Jan Nieuwenhuizen e8d8d5c3be core: Add some error checking. 
* lib.c (length): Return -1 for non-proper lists.
  (error): New function.
  (assert_defined): Use it.
  (check_formals, check_apply): New functions.
* mes.c (car, cdr, set_cdr_x, set_env_x, eval_apply): Add error check.
* srfi/srfi-1.mes (member): New function.
* tests/srfi-1.tests ("member"): New test.
 2016-12-24 12:10:05 +01:00
Jan Nieuwenhuizen bdeb41e0ae core: Move reader and posix functions from mes.c 
* mes.c (getchar, ungetchar, peekchar, peek_byte, read_byte,
  unread_byte, write_byte, read_input_file_env_, read_input_file_env):
  Remove.
* posix.c (getchar, ungetchar, peekchar, peek_byte, read_byte,
  unread_byte, write_byte): Move from mes.c.
* reader (read_input_file_env_, read_input_file_env): Move from mes.c.
 2016-12-24 11:28:25 +01:00
Jan Nieuwenhuizen 1f1f1454d8 core: Remove unused symbols. 
* mes.c (scm_symbol_noexpand, scm_symbol_syntax,
 scm_symbol_quasisyntax, scm_symbol_unsyntax,
 scm_symbol_unsyntax_splicing, scm_symbol_quasiquote,
 scm_symbol_unquote, scm_symbol_unquote_splicing, scm_symbol_define,
 scm_symbol_define_macro): Remove.
 2016-12-24 11:21:30 +01:00
Jan Nieuwenhuizen d81ce91ff7 Add write, add display test, some fixes. 
* mes.c (write_byte): Rename from write_char.
* module/mes/display.mes (display): Fixes for write: char, closure, procedure.
  (write-char, write, with-output-to-string): New functions.
* tests/read.test: Include base-0 to see some output.
* tests/display.test: New file.
* GNUmakefile (TESTS): Add it.
 2016-12-24 11:10:11 +01:00
Jan Nieuwenhuizen 16e3caafcd core: Remove display. 
* posix.c (stderr_): New function.
* display.c: Remove.
* mes.c: Remove includes.  Use stderr_ instead of display_.
 (gc_loop): Preserve function's name.
 (arity_): New function.
* GNUmakefile (mes.o): Remove dependency on display.
* module/mes/read-0.mes: Use core:stderr instead of display, newline.
  (newline): New function.
* module/mes/base-0.mes: Use core:stderr instead of display.
  Include (mes display).
* module/mes/display.mes: New file.
* lib.c (assert_defined): Move from mes.c.
  (string_to_cstring): Move from posix.c
* build-aux/mes-snarf.scm (function-environment): Initialize function
  name with scheme string.
 2016-12-24 01:23:50 +01:00
Jan Nieuwenhuizen 73fc7707a5 core: Remove symbol_to_list, char_to_integer, integer_to_char. 
* mes.c (symbol_to_list, char_to_integer, integer_to_char): Remove
* module/mes/read-0.mes (symbol->list, integer->char,
  symbol->keyword): New function.
  (read-word): Use symbol->keyword.
* module/mes/type-0.mes (char->integer): New function.
* module/mes/scm.mes (keyword->symbol): New function.
 2016-12-23 23:25:49 +01:00
Jan Nieuwenhuizen 95fd6646dc core: Remove string.c. 
* string.c: Remove.
* mes.c (eval_apply): Remove caller.
* GNUmakefile (mes.o): Remove dependency on string.
* module/mes/psyntax-0.mes (eval): Handle "noexpand".
* module/mes/type-0.mes (string->symbol, symbol->list, symbol->string):
  New function.
 2016-12-23 22:48:27 +01:00
Jan Nieuwenhuizen e13587f57f core: Remove last_pair, list_ref, string_ref. 
* lib.c (last_pair, list_ref): Remove.
* string.c (string_ref): Remove.
* module/mes/type-0.mes (string->list): New function.
* module/mes/scm.mes (string-ref): New function.
 2016-12-23 20:09:57 +01:00
Jan Nieuwenhuizen 20b7a7851a core: Make closure real type. 
* display.c (display_helper):
* mes.c (type_t): Add CLOSURE.
  (scm_t): Add closure.
  (CLOSURE): New macro.
  (eval_apply:apply): Update.
  (eval_apply:eval): Remove closure special-casing.
  (gc_loop): Handle CLOSURE.
* module/mes/read-0.mes: Update types.
* module/mes/type-0.mes: Update types.
* display.c (display): Update.
* module/mes/fluids.mes (env:escape-closure): Check for '*closure.
 2016-12-23 18:48:36 +01:00
Jan Nieuwenhuizen 20eecdc638 core: Remove quote, quasiquote, quasisyntax. 
* mes.c (quote, quasiquote, quasisyntax): Remove.
 2016-12-23 18:11:46 +01:00
Jan Nieuwenhuizen 8a4a3a4537 core: Remove make_lambda. 
* mes.c (make_lambda): Remove.
 2016-12-23 18:10:31 +01:00
Jan Nieuwenhuizen 10235efe7e core: Remove type.c. 
* module/mes/type-0.mes: Resurrect.
* module/mes/base-0.mes: Include it.
* module/mes/read-0.mes (not, pair?, atom?): New functions.
* type.c: Remove.
* mes.c: Remove callers.
* GNUmakefile (mes.o): Remove dependency on type.
 2016-12-23 18:05:45 +01:00
Jan Nieuwenhuizen 13dd5a1013 core: Remove gc_show. 
* mes.c (gc_show): Remove.
 2016-12-23 17:05:04 +01:00
Jan Nieuwenhuizen 97dfc3c981 core: Remove add_environment. 
* mes.c (add_environment): Remove.  Update callers.
  (scm_symbol_dot): New global.
 2016-12-23 17:02:23 +01:00
Jan Nieuwenhuizen 26e3e41357 core: Remove make_string. 
* mes.c (MAKE_STRING): New macro.
  (make_string): Remove.  Update callers.
* string.c: Update callers.
 2016-12-23 16:38:07 +01:00
Jan Nieuwenhuizen faed68ed57 core: Remove make_ref. 
* mes.c (MAKE_REF): New macro.
  (make_ref): Remove.  Update callers.
 2016-12-23 16:31:56 +01:00
Jan Nieuwenhuizen c4fe110d1e core: Remove make_char. 
* mes.c (MAKE_CHAR): New macro.
  (make_char): Remove.  Update callers.
* reader.c (peek_char, read_char, unread_char): Remove.
* module/mes/scm.mes (peek-char, read-char, unread-char): New function.
 2016-12-23 16:26:00 +01:00
Jan Nieuwenhuizen c2bfeffe96 core: Remove make_number. 
* mes.c (MAKE_NUMBER): New macro.
  (tmp_num_, tmp_num_2): New function.
  (make_number): Remove.  Update callers.
 2016-12-23 16:22:19 +01:00
Jan Nieuwenhuizen c2a12c4f34 Remove make_function. 
* mes.c (make_function): Remove.
 2016-12-23 16:02:36 +01:00
Jan Nieuwenhuizen 89e78bec77 core: Remove make_keyword. 
* mes.c (make_keyword): Remove.
* module/mes/read-0.mes (<cell:keyword>): New global.
  (read-word): Use it with make_cell instead fo make-keyword.
* strting.c (symbol_to_keyword): Use make_cell instead of make_keyword.
 2016-12-23 15:53:57 +01:00
Jan Nieuwenhuizen 976c86318e core: Remove make_macro. 
* module/mes/read-0.mes (<macro>): New global.
  (env:macro): Use it with make_cell instead of make_macro.
* mes.c (make_macro): Remove.
* type.c (car_): Rename from mes_car.
  (cdr_): Rename from mes_cdr.
 2016-12-23 15:47:52 +01:00
Jan Nieuwenhuizen 18ba10e2ae core: Simplify lookup. 
* reader.c (lookup_): Rename from lookup.  Remove all lookups except
  for numbers and symbols.  Update callers.
* mes.c (make_symbol_): Rename from internal_make_symbol.  Update
  callers.
* module/mes/read-0.mes (lookup): New function.
  (read-word): Remove all lookup calls, except for numbers and symbols.
 2016-12-23 11:31:34 +01:00
Jan Nieuwenhuizen aa0aaa58ab core: Cleanup symbol initialization and lookup. 
* build-aux/mes-snarf.scm (symbol->names): New function
  (function->environment): Initialize symbol.
  (generate-includes): Also write .symbol-names.i.
* mes.c (mes_symbols): Include it.  Remove internal_lookup_symbol.
* display.c (display): Handle display of nil in symbol list.
* reader.c (internal_lookup_symbol): Remove name-fu.
 2016-12-23 10:38:41 +01:00
Jan Nieuwenhuizen ddfaa05149 core: Remove most of reader. 
* reader.c (append_char, read_block_comment, read_character, read_hex,
  read_string): Remove.
  (eat_whitespace, read_word)[READER]: Remove.
* mes.c (list_to_symbol): New function.
* module/mes/read-0.mes (list->symbol, read-character, read-hex,
  read-string): New functions.
 2016-12-22 23:42:28 +01:00
Jan Nieuwenhuizen b45a3b6f33 core: Disable reader. 
* mes.c (READER): Switch off.
* module/mes/read-0.mes (eat-whitespace): Handle #;.
 2016-12-22 21:23:49 +01:00
Jan Nieuwenhuizen 570eec966e core: Do some tail call elimination. 
* mes.c (eval_apply): Use goto instead of return.
 2016-12-22 16:50:51 +01:00
Jan Nieuwenhuizen 471bdb0af4 core: One big eval_apply. 
* mes.c (eval_apply): New function.
  (eval_apply_t): New type.
  (g_target): New global.
  (vm_evlis, vm_apply_env, vm_eval_env, vm_expand_macro_env,
  vm_begin_env, vm_if_env, vm_call_with_values_env): Remove.  Update callers.
  (macro_expand_env): Rename from expand_macro_env.
* guile/mes.mes: Update callers.
* module/mes/base-0.mes: Likewise.
* module/mes/mes-0.mes: Likewise.
* module/mes/psyntax-1.mes: Likewise.
* module/mes/repl.mes: Likewise.
 2016-12-22 16:34:28 +01:00
Jan Nieuwenhuizen cc58cf2e04 core: Remove vm_call_lambda. 
* mes.c (vm_call_lambda): Remove.
 (call_lambda): Use begin_env.
 2016-12-22 16:16:09 +01:00