1503 Commits

Author	SHA1	Message	Date
Denys Vlasenko	f11b5b9864	bc: formatting changes, added a FIXME comment, no logic changes ... Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2019-01-04 15:54:40 +01:00
Denys Vlasenko	54f5c1d600	bc: support void functions (GNU compat) ... function old new delta xc_program_print - 689 +689 zxc_vm_process 814 869 +55 zxc_program_exec 4098 4116 +18 zxc_program_assign 385 392 +7 bc_result_free 43 46 +3 zxc_program_binOpPrep 243 245 +2 zdc_program_execStr 518 520 +2 zxc_program_print 683 - -683 ------------------------------------------------------------------------------ (add/remove: 1/1 grow/shrink: 6/0 up/down: 776/-683) Total: 93 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2019-01-04 13:58:46 +01:00
Denys Vlasenko	1db367a8e6	dc: fit returning of string ... function old new delta zxc_program_exec 4087 4098 +11 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2019-01-04 06:18:00 +01:00
Denys Vlasenko	6842c6062a	dc: fix '?' ... function old new delta zdc_parse_expr 470 479 +9 zxc_vm_process 839 814 -25 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/1 up/down: 9/-25) Total: -16 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2019-01-04 05:41:47 +01:00
Denys Vlasenko	377cc97b19	bc: eliminate struct BcInstPtr::results_len_before_call, it is redundant ... function old new delta zbc_program_call 332 318 -14 zxc_program_exec 4147 4087 -60 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-74) Total: -74 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2019-01-04 00:35:31 +01:00
Denys Vlasenko	02c3d7a1c9	bc: add a palceholder comment for "void" return ... Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2019-01-04 00:21:29 +01:00
Denys Vlasenko	19c3eb0b04	bc: remove extra div/0 test, remove test for string function parameter ... function old new delta zbc_program_call 354 332 -22 zxc_program_assign 426 385 -41 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-63) Total: -63 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2019-01-04 00:05:07 +01:00
Denys Vlasenko	96b5ec10fb	bc: fix "...; return}" to work, disallow "return ()" ... function old new delta zbc_parse_expr 24 1865 +1841 zbc_parse_stmt_possibly_auto 1425 1413 -12 bc_parse_expr_empty_ok 1843 - -1843 ------------------------------------------------------------------------------ (add/remove: 0/1 grow/shrink: 1/1 up/down: 1841/-1855) Total: -14 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2019-01-03 23:34:36 +01:00
Denys Vlasenko	ae6c44ea15	bc: make error line number also size_t, like everything else ... Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2019-01-02 16:30:24 +01:00
Denys Vlasenko	266bec8ba7	bc: speed up string printing, fix print "" ... function old new delta static.esc - 9 +9 zxc_program_print 681 683 +2 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 1/0 up/down: 11/0) Total: 11 bytes text data bss dec hex filename 979144 485 7296 986925 f0f2d busybox_old 979062 485 7296 986843 f0edb busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2019-01-02 05:03:53 +01:00
Denys Vlasenko	2231468a2f	bc: upstream fixes ... function old new delta bc_parse_expr_empty_ok 1764 1843 +79 bc_error_at - 62 +62 bc_parse_inst_isLeaf - 30 +30 zbc_func_insert 100 120 +20 bc_error_bad_function_definition - 10 +10 bc_error_bad_assignment - 10 +10 zxc_lex_next 1608 1614 +6 ok_in_expr 30 - -30 zxc_vm_process 874 839 -35 ------------------------------------------------------------------------------ (add/remove: 4/1 grow/shrink: 3/1 up/down: 217/-65) Total: 152 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2019-01-01 21:50:14 +01:00
Denys Vlasenko	51b510a480	bc: in xc_read_line(), check ^C on NUL input bytes too ... Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2019-01-01 02:19:02 +01:00
Denys Vlasenko	8797adc1c6	bc: remove superfluous assigment ... Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-31 19:50:06 +01:00
Denys Vlasenko	680ccd3573	bc: support ibase up to 36 (GNU compat) ... function old new delta zxc_program_num 995 1018 +23 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-31 19:42:13 +01:00
Denys Vlasenko	2747f6195b	bc: fold xc_lex_more_input() into peek_inbuf() ... function old new delta peek_inbuf 69 56 -13 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-31 18:48:59 +01:00
Denys Vlasenko	2cd8c04632	bc: tidying up, no logic changes ... function old new delta bc_ops_prec_and_assoc - 25 +25 xc_vm_init 665 663 -2 bc_parse_ops 25 - -25 ------------------------------------------------------------------------------ (add/remove: 1/1 grow/shrink: 0/1 up/down: 25/-27) Total: -2 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-30 15:56:36 +01:00
Denys Vlasenko	8ab209f00e	bc: simplify representation of 0.5 in sqrt() ... function old new delta zxc_program_exec 4012 4149 +137 zdc_program_printStream 144 - -144 ------------------------------------------------------------------------------ (add/remove: 0/1 grow/shrink: 1/0 up/down: 137/-144) Total: -7 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-29 16:23:34 +01:00
Denys Vlasenko	374d2c47ec	bc: remove special-cased assignment to ibase, it works correctly with general rules ... function old new delta zxc_program_print 683 681 -2 zxc_program_prep 91 89 -2 zxc_program_copyToVar 300 298 -2 zdc_program_printStream 146 144 -2 zdc_program_execStr 520 518 -2 zdc_program_asciify 370 368 -2 zxc_program_exec 4016 4012 -4 zdc_program_modexp 694 688 -6 zxc_program_num 1020 995 -25 zxc_program_binOpPrep 306 243 -63 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/10 up/down: 0/-110) Total: -110 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-29 14:52:30 +01:00
Denys Vlasenko	d5b0fa6abf	bc: more fixes for unusual input bases ... function old new delta zxc_program_num 990 1020 +30 zxc_lex_number 172 202 +30 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/0 up/down: 60/0) Total: 60 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-29 03:08:12 +01:00
Denys Vlasenko	e16a5223d2	bc: fix handling of "digits" above 9 ... function old new delta zxc_lex_next 1573 1608 +35 xc_parse_pushIndex 58 56 -2 xc_program_index 71 63 -8 zxc_program_num 1022 990 -32 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/3 up/down: 35/-42) Total: -7 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-29 02:24:19 +01:00
Denys Vlasenko	b86b39bfda	config: more tweaks ... Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-28 17:52:43 +01:00
Denys Vlasenko	cdadad58a1	bc: bc enables FEATURE_DC_BIG, for correct dc testsuite operation ... Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-28 15:13:23 +01:00
Denys Vlasenko	1476760600	bc: rename config options ... Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-28 13:32:04 +01:00
Denys Vlasenko	b097a84d62	config: update size information ... Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-28 03:20:17 +01:00
Denys Vlasenko	10bde14292	bc: rename functions common to bc and dc as xc_FOO() ... Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-27 18:23:58 +01:00
Denys Vlasenko	db8d607514	bc: G.prog.zero does not need initializing num[] vector ... function old new delta bc_vm_init 676 665 -11 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-27 18:08:49 +01:00
Denys Vlasenko	3d27d435db	randomconfig fixes ... Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-27 18:03:20 +01:00
Denys Vlasenko	2beb1f6faf	bc: use ALIGN1 where appropriate ... text data bss dec hex filename 980138 485 7296 987919 f130f busybox_old 980128 485 7296 987909 f1305 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-26 21:17:12 +01:00
Denys Vlasenko	8af11087b2	bc: undo debugging change, add a small optimization ... Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-26 21:01:41 +01:00
Denys Vlasenko	ab9a98602f	bc: simple speedups ... function old new delta bc_parse_pushName 20 56 +36 bc_program_index 47 71 +24 bc_parse_pushIndex 52 58 +6 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 3/0 up/down: 66/0) Total: 66 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-26 20:30:47 +01:00
Denys Vlasenko	f706a18f33	bc: use '\0' insteads of 0xff (BC_PARSE_STREND) as name terminator ... function old new delta zdc_program_printStream - 146 +146 zbc_program_exec 4003 4016 +13 zdc_parse_expr 473 470 -3 bc_parse_pushName 31 20 -11 bc_program_name 63 34 -29 zbc_program_pushArray 147 - -147 ------------------------------------------------------------------------------ (add/remove: 1/1 grow/shrink: 1/3 up/down: 159/-190) Total: -31 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-26 20:02:27 +01:00
Denys Vlasenko	1c69ec1597	bc: reduce indentation, no code changes ... Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-26 19:24:15 +01:00
Denys Vlasenko	8a56e3643f	bc: fix "bc only" build ... Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-26 19:09:23 +01:00
Denys Vlasenko	1e87b97da6	bc: fix "dc only" build ... Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-26 19:06:05 +01:00
Denys Vlasenko	2f7352b4f5	bc: comment out code which appears to be never reached ... function old new delta zbc_lex_next 1587 1568 -19 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-26 18:59:42 +01:00
Denys Vlasenko	b1b7996a2a	bc: remove all logic for multi-line buffering ... function old new delta zbc_vm_process 865 874 +9 zbc_parse_text_init 51 38 -13 bc_read_line 394 345 -49 peek_inbuf 292 69 -223 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/3 up/down: 9/-285) Total: -276 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-26 18:46:03 +01:00
Denys Vlasenko	7d32e25bf3	bc: prepare for char-by-char input handling ... function old new delta peek_inbuf - 292 +292 parse_lex_by_checking_eq_sign - 26 +26 eat_inbuf - 22 +22 zbc_vm_execute_FILE 52 61 +9 bc_lex_lineComment 29 30 +1 zbc_lex_number 174 172 -2 bc_vm_run 104 99 -5 zbc_num_divmod 156 150 -6 bc_lex_file 24 - -24 bc_lex_assign 26 - -26 zbc_lex_next 1982 1587 -395 ------------------------------------------------------------------------------ (add/remove: 3/2 grow/shrink: 2/4 up/down: 350/-458) Total: -108 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-26 18:32:43 +01:00
Denys Vlasenko	63ad799384	bc: fix handling of comment/string interactions while buffering input ... function old new delta zbc_lex_next 1965 1982 +17 zbc_num_divmod 150 156 +6 bc_read_line 411 394 -17 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/1 up/down: 23/-17) Total: 6 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-26 12:23:05 +01:00
Denys Vlasenko	94576d2b97	bc: fix interactive handling of comments in strings and quotes in comments ... function old new delta zbc_lex_next 1965 1979 +14 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-25 23:45:57 +01:00
Denys Vlasenko	c192b0442b	bc: simplify input pointer manipulation while lexing ... function old new delta bc_lex_name 70 68 -2 zbc_lex_number 177 174 -3 bc_vm_init 679 676 -3 bc_lex_whitespace 42 39 -3 zbc_parse_text_init 55 51 -4 bc_lex_lineComment 37 29 -8 bc_lex_assign 34 26 -8 zbc_lex_next 2039 1965 -74 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/8 up/down: 0/-105) Total: -105 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-25 23:15:59 +01:00
Denys Vlasenko	ecb62edd47	bc: fold struct BcLex into BcParse ... Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-25 22:32:41 +01:00
Denys Vlasenko	6e6182342e	bc: move BcLex::lex member to be the first in struct globals ... function old new delta zbc_program_exec 3967 4003 +36 zdc_program_execStr 501 520 +19 zbc_posix_error_fmt 58 62 +4 bc_vm_init 675 679 +4 bc_read_line 407 411 +4 bc_error_fmt 36 40 +4 zdc_parse_register 45 44 -1 zdc_parse_exprs_until_eof 28 27 -1 zbc_parse_text_init 56 55 -1 zbc_parse_stmt_allow_NLINE_before 55 54 -1 zbc_lex_skip_if_at_NLINE 19 18 -1 zbc_lex_number 178 177 -1 bc_parse_create 97 96 -1 bc_lex_whitespace 43 42 -1 bc_lex_name 71 70 -1 bc_lex_lineComment 38 37 -1 bc_lex_assign 35 34 -1 zdc_parse_expr 476 473 -3 bc_verror_msg 93 90 -3 bc_lex_file 27 24 -3 zbc_parse_name 453 448 -5 bc_parse_expr_empty_ok 1776 1764 -12 zbc_vm_process 878 865 -13 zbc_parse_stmt_possibly_auto 1451 1425 -26 zbc_lex_next 2075 2039 -36 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 6/19 up/down: 71/-112) Total: -41 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-25 22:20:14 +01:00
Denys Vlasenko	0b0e8d0509	bc: rename some members and macros, no code changes ... Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-25 21:44:10 +01:00
Denys Vlasenko	3f8752c33f	bc: shorten error messages ... Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-25 21:28:25 +01:00
Gavin Howard	fa495ce498	bc: make it clear that the code is adapted ... Signed-off-by: Gavin Howard <yzena.tech@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-25 20:53:15 +01:00
Denys Vlasenko	a2e62e3e50	bc: stop passing a pointer to G.prs down the call chain ... function old new delta rewrite_label_to_current 19 26 +7 bc_lex_assign 28 35 +7 zbc_lex_skip_if_at_NLINE 14 19 +5 bc_parse_push 11 16 +5 bc_parse_operator 147 152 +5 bc_parse_create 92 97 +5 bc_lex_whitespace 38 43 +5 bc_lex_name 66 71 +5 bc_lex_lineComment 33 38 +5 zbc_lex_number 174 178 +4 zbc_parse_text_init 53 56 +3 zdc_parse_register 43 45 +2 zdc_parse_exprs_until_eof 26 28 +2 bc_parse_free 38 40 +2 bc_lex_file 28 27 -1 zbc_parse_pushSTR 65 63 -2 bc_parse_expr_empty_ok 1778 1776 -2 zbc_vm_execute_FILE 55 52 -3 bc_vm_init 678 675 -3 zbc_parse_stmt_allow_NLINE_before 59 55 -4 bc_parse_pushNUM 80 74 -6 bc_parse_pushJUMP_ZERO 27 21 -6 bc_parse_pushJUMP 27 21 -6 bc_vm_run 112 104 -8 bc_parse_pushName 39 31 -8 bc_parse_pushIndex 60 52 -8 zbc_parse_name 468 453 -15 zdc_program_execStr 524 501 -23 zdc_parse_mem 93 70 -23 zbc_program_exec 4003 3967 -36 zdc_parse_expr 518 476 -42 zbc_vm_process 923 878 -45 zbc_lex_next 2158 2070 -88 zbc_parse_stmt_possibly_auto 1560 1451 -109 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 14/20 up/down: 62/-438) Total: -376 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-25 20:40:55 +01:00
Denys Vlasenko	1fbe35a7d8	bc: make zbc_program_read() and zdc_program_execStr() use G.prs ... function old new delta zbc_program_print 656 683 +27 zbc_program_exec 3976 4003 +27 zdc_program_execStr 512 524 +12 bc_num_printNewline 45 54 +9 bc_num_printHex 61 67 +6 bc_num_printDigits 131 137 +6 dc_num_printChar 21 24 +3 bc_vm_init 675 678 +3 zbc_program_assign 424 426 +2 bc_read_line 410 407 -3 bc_verror_msg 99 93 -6 zbc_lex_next 2167 2158 -9 zbc_vm_execute_FILE 67 55 -12 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 9/4 up/down: 95/-30) Total: 65 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-25 19:38:13 +01:00
Denys Vlasenko	53e569c06b	bc: fix interactive read() ... Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-25 19:37:23 +01:00
Denys Vlasenko	2638454464	bc: add code to detect errors like "print 1 print 2" ... function old new delta zbc_vm_process 831 925 +94 zbc_program_exec 3964 3976 +12 zdc_program_execStr 506 512 +6 zbc_lex_next 2161 2167 +6 zbc_program_assign 419 424 +5 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 5/0 up/down: 123/0) Total: 123 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-25 18:37:52 +01:00
Denys Vlasenko	5fa74b9efc	bc: allow {break} and {continue} (allow RBRACE to terminate them) ... function old new delta zbc_parse_stmt_possibly_auto 1599 1560 -39 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-25 17:07:51 +01:00
Denys Vlasenko	d4b721cc8b	bc: shrink parsing code a bit more, disallow "auto a b c" (without commas) ... function old new delta bc_parse_expr_empty_ok 1791 1785 -6 zbc_parse_stmt_possibly_auto 1675 1599 -76 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-82) Total: -82 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-25 16:39:01 +01:00
Denys Vlasenko	73b3ebc0e1	bc: simplify bc_parse_expr_empty_ok() ... function old new delta bc_parse_expr_empty_ok 1810 1791 -19 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-25 01:43:52 +01:00
Denys Vlasenko	d0238d83f0	bc: simplify bc_parse_expr_empty_ok() ... function old new delta bc_parse_expr_empty_ok 1819 1810 -9 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-25 01:21:16 +01:00
Denys Vlasenko	bb116031a0	bc: simplify bc_parse_expr_empty_ok() ... function old new delta bc_parse_expr_empty_ok 1846 1819 -27 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-25 01:16:37 +01:00
Denys Vlasenko	d897c9aca6	bc: BC_RESULT_ONE is bc-specific ... Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-24 23:41:31 +01:00
Denys Vlasenko	0c45bb22a0	bc: partially deinline BC_PARSE_LEAF() macro ... function old new delta ok_in_expr - 30 +30 bc_parse_expr_empty_ok 1972 1846 -126 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 0/1 up/down: 30/-126) Total: -96 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-24 23:22:40 +01:00
Denys Vlasenko	a17d95d0d0	bc: rename lexer variables, use smallints where appropriate ... function old new delta bc_parse_expr_empty_ok 1966 1972 +6 zdc_parse_expr 514 518 +4 zbc_lex_number 177 174 -3 dc_num_printChar 24 21 -3 bc_lex_whitespace 41 38 -3 bc_lex_name 69 66 -3 bc_lex_lineComment 36 33 -3 bc_lex_assign 31 28 -3 zbc_parse_name 472 468 -4 zbc_vm_process 836 831 -5 zdc_program_execStr 512 506 -6 zbc_parse_text_init 59 53 -6 bc_num_printNewline 51 45 -6 bc_num_printHex 67 61 -6 bc_num_printDigits 137 131 -6 zbc_program_assign 426 419 -7 zbc_parse_stmt_possibly_auto 1682 1675 -7 zbc_program_exec 3977 3964 -13 zbc_program_print 683 656 -27 zbc_lex_next 2233 2161 -72 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/18 up/down: 10/-183) Total: -173 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-24 22:55:54 +01:00
Denys Vlasenko	d279d809ac	bc: fix "bc -s" only warning on "define f()<newline>", not exiting ... Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-24 18:28:56 +01:00
Denys Vlasenko	79587cb442	bc: POSIX error/warn functions can be 'z' functions too ... In non-interactive config, they either return 'success', or do not return. function old new delta zbc_posix_error_fmt 41 39 -2 bc_parse_expr_empty_ok 1751 1744 -7 zbc_parse_stmt_possibly_auto 1322 1314 -8 ------------------------------------------------------------------------------ (add/remove: 5/5 grow/shrink: 0/2 up/down: 118/-135) Total: -17 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-24 18:11:41 +01:00
Denys Vlasenko	65b6fe09c4	bc: remove unnecessary NULL initializers ... function old new delta zbc_program_assign 442 426 -16 zbc_program_exec 4043 3977 -66 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-82) Total: -82 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-24 17:21:31 +01:00
Denys Vlasenko	a5bf53e4bb	bc: move relational LEXs before math LEXs - shorten dc_LEX_to_INST[] ... function old new delta dc_LEX_to_INST 48 42 -6 zdc_parse_expr 523 514 -9 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-15) Total: -15 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-24 17:07:20 +01:00
Denys Vlasenko	4accb6bba8	bc: offset dc_LEX_to_INST[] start ... function old new delta zdc_parse_expr 516 523 +7 dc_LEX_to_INST 56 48 -8 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/1 up/down: 7/-8) Total: -1 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-24 15:29:33 +01:00
Denys Vlasenko	23ea0734e1	bc: rename BC_LEX_NLINE/WHITESPACE/STR/NAME/NUMBER to XC_LEX_ ... Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-24 15:05:49 +01:00
Denys Vlasenko	9d9c97efbd	bc: separate many bc and dc LEX constants ... function old new delta zdc_parse_expr 510 516 +6 bc_parse_expr_empty_ok 1963 1966 +3 dc_LEX_to_INST 83 56 -27 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/1 up/down: 9/-27) Total: -18 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-24 15:00:56 +01:00
Denys Vlasenko	69560f42da	bc: rename several BC_LEX_OPs to XC_LEX_OPs. ... Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-24 14:14:23 +01:00
Denys Vlasenko	abf6cf6765	bc: move BC_LEX_OP_INC/DEC to the end of operation LEX constants ... Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-24 13:20:57 +01:00
Denys Vlasenko	7d9be0bc6d	bc: rename BC_LEXs to XC_LEXs for common constants, and to DC_LEXs for dc-specific ... Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-24 12:25:20 +01:00
Denys Vlasenko	2097ac8d9e	bc: move functions/macros around, no code changes ... Order now is: enums/structures/defines, utility/common functions, parsing, execution, main loop, main() Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-24 05:00:36 +01:00
Denys Vlasenko	a7732d1120	bc: rename common INST constants to XC_, dc-specific ones to DC_ ... This will assist in disentangling dc and bc LEX constants Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-24 04:26:07 +01:00
Denys Vlasenko	81293c8af0	dc: without -x, do not parse extended regs: 's p' means: store to ' ' reg, print ... function old new delta zbc_lex_next 2240 2233 -7 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-7) Total: -7 bytes text data bss dec hex filename 981437 485 7296 989218 f1822 busybox_old 981412 485 7296 989193 f1809 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-24 02:01:32 +01:00
Denys Vlasenko	73b2c60825	bc: fix incorrect bit in BC_PARSE_EXPRS_BITS: 'limits' is not allowed ... Alsl, move and rename dc_lex_tokens[] to dc_char_to_LEX[] Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-24 01:04:21 +01:00
Denys Vlasenko	ad0bd381e9	bc: for "dc only" remove handling of LAST, move OBASE enums up to IBASE ... function old new delta dc_LEX_to_INST - 82 +82 bc_parse_pushNUM - 62 +62 zbc_program_num 981 978 -3 bc_result_free 46 43 -3 zbc_program_binOpPrep 305 300 -5 static.msg 24 12 -12 zbc_program_exec 4013 3994 -19 zdc_parse_expr 583 507 -76 dc_parse_insts 83 - -83 ------------------------------------------------------------------------------ (add/remove: 2/1 grow/shrink: 0/6 up/down: 144/-201) Total: -57 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-24 00:50:32 +01:00
Denys Vlasenko	9471bd4660	bc: fix empty lines in dc generating "bad token" message ... function old new delta zdc_program_asciify - 370 +370 zbc_program_pushArray - 147 +147 zbc_vm_process 824 828 +4 zbc_program_exec 4182 4046 -136 zdc_program_printStream 146 - -146 zbc_program_read 268 - -268 ------------------------------------------------------------------------------ (add/remove: 2/2 grow/shrink: 1/1 up/down: 521/-550) Total: -29 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-23 00:13:15 +01:00
Denys Vlasenko	01eb5e9da1	bc: shrink modular exponentiation code ... function old new delta zdc_program_modexp 721 694 -27 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-22 23:59:21 +01:00
Denys Vlasenko	1acac7f9c5	bc: do not yet allow 2^2.1 ... Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-22 23:14:48 +01:00
Denys Vlasenko	a9f59db809	bc: avoid having to twiddle b->neg in zbc_num_p() ... function old new delta zbc_num_ulong_abs - 70 +70 zbc_num_p 424 413 -11 zbc_num_ulong 81 21 -60 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 0/2 up/down: 70/-71) Total: -1 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-22 21:52:30 +01:00
Denys Vlasenko	2ea8ddf8c2	bc: do not disallow powers to N.0000 degree - it's even shorter code ... function old new delta zbc_num_p 440 424 -16 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-22 21:45:18 +01:00
Denys Vlasenko	1557b76edd	bc: shrink zbc_num_ulong() ... Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-22 21:37:46 +01:00
Denys Vlasenko	ec74a9c145	bc: make long-running dc drop data it does not need (when it can) ... function old new delta zbc_vm_process 765 824 +59 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-22 19:23:46 +01:00
Denys Vlasenko	5cf0b2d466	bc: unbreak "z function" macro machinery ... Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-22 18:24:19 +01:00
Denys Vlasenko	badf683b0a	dc: unbreak interactive mode - was trying to get next tokens instead of executing ... function old new delta zbc_program_read - 268 +268 zdc_program_printStream - 146 +146 zbc_program_exec 4046 4182 +136 zdc_program_execStr 472 512 +40 zdc_parse_exprs_until_eof - 26 +26 zbc_vm_process 740 765 +25 zbc_lex_next 2225 2240 +15 zdc_parse_expr 569 535 -34 zbc_program_pushArray 147 - -147 zdc_program_asciify 370 - -370 ------------------------------------------------------------------------------ (add/remove: 3/2 grow/shrink: 4/1 up/down: 656/-551) Total: 105 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-22 18:10:50 +01:00
Denys Vlasenko	5daa1a0adf	bc: move zbc_lex_next() out of zdc_parse_string() and zdc_parse_mem() ... function old new delta zdc_parse_mem 99 93 -6 zdc_parse_expr 586 569 -17 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-23) Total: -23 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-22 16:41:23 +01:00
Denys Vlasenko	7c1c9dc86b	bc: shorten sanity-check code ... function old new delta zbc_vm_process 745 740 -5 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-22 14:18:47 +01:00
Denys Vlasenko	88fcd5cc6c	bc: fold single-callsite functions into callers, commonalize code ... function old new delta zbc_vm_process 699 745 +46 zbc_parse_stmt_possibly_auto 1689 1682 -7 bc_parse_reset 113 - -113 ------------------------------------------------------------------------------ (add/remove: 0/1 grow/shrink: 1/1 up/down: 46/-120) Total: -74 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-22 06:00:25 +01:00
Denys Vlasenko	514967df5e	bc: zcommon_parse_expr() has only one user, fold it in ... function old new delta zbc_program_exec 4021 4046 +25 zdc_parse_expr 589 586 -3 zcommon_parse_expr 28 - -28 ------------------------------------------------------------------------------ (add/remove: 0/1 grow/shrink: 1/1 up/down: 25/-31) Total: -6 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-22 03:38:52 +01:00
Denys Vlasenko	f093e3df2d	bc: zcommon_parse_expr() lost its flags argument ... function old new delta zcommon_parse_expr - 28 +28 zdc_program_execStr 474 472 -2 zbc_program_exec 4023 4021 -2 common_parse_expr 29 - -29 ------------------------------------------------------------------------------ (add/remove: 1/1 grow/shrink: 0/2 up/down: 28/-33) Total: -5 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-22 02:30:18 +01:00
Denys Vlasenko	39287e0d02	bc: stop using BC_PARSE_NOCALL in dc code ... function old new delta zdc_program_execStr 465 474 +9 zbc_vm_process 701 699 -2 common_parse_expr 32 29 -3 zdc_parse_expr 615 586 -29 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/3 up/down: 9/-34) Total: -25 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-22 02:23:08 +01:00
Denys Vlasenko	8c1e723596	bc: unbreak read(), remove checks for nested read() ... function old new delta zbc_parse_pushSTR - 65 +65 common_parse_expr - 32 +32 bc_error_nested_read_call 10 - -10 bc_parse_expr_empty_ok 1977 1963 -14 zdc_parse_expr 635 615 -20 zcommon_parse_expr 32 - -32 zbc_program_exec 4064 4023 -41 bc_parse_pushSTR 65 - -65 ------------------------------------------------------------------------------ (add/remove: 2/3 grow/shrink: 0/3 up/down: 97/-182) Total: -85 bytes text data bss dec hex filename 981661 485 7296 989442 f1902 busybox_old 981540 485 7296 989321 f1889 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-22 01:34:10 +01:00
Denys Vlasenko	1dc4de9d9b	bc: code shrink ... function old new delta bc_result_pop_and_push - 73 +73 zbc_program_exec 4068 4064 -4 bc_program_binOpRetire 46 32 -14 zdc_program_assignStr 146 126 -20 zdc_program_asciify 395 370 -25 bc_program_retire 35 7 -28 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 0/5 up/down: 73/-91) Total: -18 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-21 23:13:48 +01:00
Denys Vlasenko	24e4194635	bc: rename BcInstPtr::idx and ::len ... Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-21 23:01:26 +01:00
Denys Vlasenko	8287b1c869	bc: remove unnecessary initializations ... function old new delta zdc_program_asciify 403 395 -8 zbc_program_print 691 683 -8 zbc_program_exec 4079 4068 -11 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/3 up/down: 0/-27) Total: -27 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-21 22:43:53 +01:00
Denys Vlasenko	e8e7bda63a	bc: use non-allocated BcNum's where appropriate ... function old new delta zbc_num_printNum 540 543 +3 zdc_program_asciify 407 403 -4 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/1 up/down: 3/-4) Total: -1 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-21 22:36:04 +01:00
Denys Vlasenko	6ed7fb0a87	bc: optimize bc_vec_push() usage ... function old new delta bc_parse_pushNUM 87 80 -7 zbc_parse_stmt_possibly_auto 1697 1689 -8 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-15) Total: -15 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-21 22:16:17 +01:00
Denys Vlasenko	19eee8ed7c	bc: fix for() to not leave data on stack ... function old new delta zbc_parse_stmt_possibly_auto 1665 1697 +32 zbc_vm_process 672 701 +29 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/0 up/down: 61/0) Total: 61 bytes text data bss dec hex filename 981656 485 7296 989437 f18fd busybox_old 981748 485 7296 989529 f1959 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-21 20:29:34 +01:00
Denys Vlasenko	5d57bc442d	bc: fix infinite state growth for "yes 1 | bc" case ... function old new delta zbc_vm_process 585 672 +87 bc_func_init 50 86 +36 zbc_program_num 990 1022 +32 bc_program_str 17 47 +30 bc_program_current_func - 22 +22 bc_parse_pushNUM 66 87 +21 bc_func_free 27 43 +16 zbc_num_binary 145 147 +2 bc_program_reset 64 61 -3 bc_parse_pushSTR 73 65 -8 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 7/2 up/down: 246/-11) Total: 235 bytes text data bss dec hex filename 981393 485 7296 989174 f17f6 busybox_old 981656 485 7296 989437 f18fd busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-21 16:22:26 +01:00
Denys Vlasenko	447dc02c27	bc: fix comment ... Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-21 00:39:02 +01:00
Denys Vlasenko	52caa007e3	bc: for(;;) fix from upstream ... Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-21 00:35:22 +01:00
Denys Vlasenko	047154472a	bc: shrink bc_program_add_fn() ... Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-21 00:10:26 +01:00
Denys Vlasenko	44a99ca617	bc: "dc only" config does not need G.prog.fn_map ... function old new delta bc_program_add_fn - 43 +43 bc_vm_init 655 675 +20 bc_program_addFunc 138 118 -20 zdc_parse_expr 658 635 -23 zdc_program_asciify 447 407 -40 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 1/3 up/down: 63/-83) Total: -20 bytes text data bss dec hex filename 984739 489 7312 992540 f251c busybox_old 984712 489 7312 992513 f2501 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-20 20:34:09 +01:00
Denys Vlasenko	5acd14ba5b	bc: fix keyword matching to not think "ifz" is the "if" keyword ... function old new delta zbc_lex_next 2224 2225 +1 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-20 16:48:50 +01:00