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
Denys Vlasenko
503faf9d53
bc: shrink "dc only" code by dropping unused structure members
...
function old new delta
zbc_program_num 979 981 +2
zbc_program_pushArray 147 145 -2
bc_program_pushVar 198 196 -2
bc_program_func 17 15 -2
dc_num_printChar 24 21 -3
bc_program_retire 35 32 -3
bc_program_binOpRetire 46 43 -3
zdc_program_printStream 153 148 -5
zbc_program_prep 91 86 -5
zbc_program_copyToVar 300 295 -5
zdc_program_modexp 721 715 -6
zbc_program_binOpPrep 311 305 -6
bc_program_addFunc 138 132 -6
bc_num_printNewline 51 45 -6
bc_num_printHex 67 61 -6
bc_num_printDigits 137 131 -6
zdc_program_assignStr 146 137 -9
bc_program_reset 64 55 -9
bc_func_free 27 5 -22
bc_parse_free 38 8 -30
bc_parse_create 92 47 -45
bc_func_init 50 5 -45
dc_main 691 645 -46
zdc_program_execStr 496 442 -54
zbc_program_print 677 623 -54
zbc_vm_process 204 137 -67
zbc_program_exec 4132 4057 -75
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/26 up/down: 2/-522) Total: -520 bytes
text data bss dec hex filename
969767 485 7296 977548 eea8c busybox_old
969210 485 7296 976991 ee85f busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-20 16:24:18 +01:00
Denys Vlasenko
eaa3b00002
bc: shorten bc_program_addFunc()
...
function old new delta
bc_func_init - 50 +50
bc_program_addFunc 201 138 -63
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/1 up/down: 50/-63) Total: -13 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-19 20:05:50 +01:00
Denys Vlasenko
408b7d45f6
bc: fix "dc only" and "bc only" configs
...
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-19 19:43:03 +01:00
Denys Vlasenko
fa21079183
bc: rename dc-specific functions, simplify zdc_program_execStr() a bit
...
function old new delta
zbc_program_execStr 496 - -496
zdc_program_execStr - 491 +491
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-19 19:38:51 +01:00
Denys Vlasenko
44dbe675dd
bc: rename zbc_parse_string->bc_parse_pushSTR, do not emit next opcode in it
...
function old new delta
bc_parse_pushSTR - 73 +73
zbc_parse_stmt_possibly_auto 1638 1640 +2
zbc_parse_string 89 - -89
------------------------------------------------------------------------------
(add/remove: 1/1 grow/shrink: 1/0 up/down: 75/-89) Total: -14 bytes
text data bss dec hex filename
981377 485 7296 989158 f17e6 busybox_old
981363 485 7296 989144 f17d8 busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-19 19:10:40 +01:00
Denys Vlasenko
ea5cad2a0d
bc: avoid bc_vec_item() calls in bc_vm_run()
...
function old new delta
bc_vm_run 124 112 -12
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-19 18:09:31 +01:00
Denys Vlasenko
eac0de55d6
bc: avoid bc_vec_item() calls in bc_array_copy()
...
function old new delta
zbc_program_copyToVar 311 300 -11
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-19 17:59:30 +01:00
Denys Vlasenko
87888ce4d8
bc: avoid successive bc_vec_item(&func->autos, i)
...
function old new delta
zbc_func_insert 97 100 +3
zbc_program_call 353 354 +1
zbc_program_exec 4085 4078 -7
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/1 up/down: 4/-7) Total: -3 bytes
text data bss dec hex filename
981403 485 7296 989184 f1800 busybox_old
981400 485 7296 989181 f17fd busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-19 17:55:23 +01:00
Denys Vlasenko
f36a0adf8b
bc: remove unnecessary union use
...
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-19 17:15:04 +01:00
Denys Vlasenko
dfe1dd2031
bc: "unsigned_n > 0" is shorter code than "unsigned_n >= 1"
...
function old new delta
zbc_program_print 680 677 -3
zbc_program_exec 4089 4085 -4
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-7) Total: -7 bytes
text data bss dec hex filename
981404 485 7296 989185 f1801 busybox_old
981397 485 7296 989178 f17fa busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-19 17:09:01 +01:00
Denys Vlasenko
65e1046abf
bc: open-code bc_parse_updateFunc() macro
...
This clearly shows one place which would need changing
for nested funcdefs to work.
function old new delta
bc_parse_reset 106 110 +4
zbc_vm_process 586 585 -1
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/1 up/down: 4/-1) Total: 3 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-19 15:13:14 +01:00
Denys Vlasenko
684d441f5c
bc: make bc_program_addFunc() return new idx, untangle &p->fidx interaction
...
In:
bc_program_addFunc(name, idx);
p->func = bc_program_func(p->fidx);
in some cases p->fidx was updated by _first_ statement - because passed idx
was pointing at it. This was very obscure.
function old new delta
zdc_parse_expr 653 658 +5
bc_program_addFunc 204 201 -3
zbc_vm_process 594 586 -8
bc_vm_init 663 655 -8
zbc_parse_name 482 472 -10
bc_parse_addFunc 25 - -25
zbc_program_asciify 473 447 -26
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 1/5 up/down: 5/-80) Total: -75 bytes
text data bss dec hex filename
981482 485 7296 989263 f184f busybox_old
981401 485 7296 989182 f17fe busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-19 14:59:22 +01:00
Denys Vlasenko
085b420220
bc: "reload stack only after insts" change missed a few places
...
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-19 14:02:59 +01:00
Denys Vlasenko
5aa54830bf
bc: rename a few functions
...
function old new delta
bc_map_find_ge - 71 +71
bc_map_find_exact - 50 +50
bc_map_index 50 - -50
bc_map_find 71 - -71
------------------------------------------------------------------------------
(add/remove: 2/2 grow/shrink: 0/0 up/down: 121/-121) Total: 0 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-19 13:55:53 +01:00
Denys Vlasenko
e3d3d2067d
bc: remove redundant strdup+free in zbc_parse_call()
...
function old new delta
zbc_parse_name 527 482 -45
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-45) Total: -45 bytes
text data bss dec hex filename
981541 485 7296 989322 f188a busybox_old
981486 485 7296 989267 f1853 busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-19 13:20:02 +01:00
Denys Vlasenko
4796a1d537
bc: delete G.prog.strmb for real
...
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-19 12:48:16 +01:00
Denys Vlasenko
b80d7aad1b
bc: in execution loop, reload stack only after insts which can change it
...
Only these functions affect G.prog.exestack:
zbc_program_read
zbc_program_call
zbc_program_return
zbc_program_nquit
zbc_program_execStr
function old new delta
zbc_program_exec 3995 4093 +98
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/0 up/down: 98/0) Total: 98 bytes
text data bss dec hex filename
981364 485 7296 989145 f17d9 busybox_old
981462 485 7296 989243 f183b busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-19 12:35:27 +01:00
Denys Vlasenko
d6e24bd795
bc: simplify bc_array_expand()
...
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-18 20:10:48 +01:00
Denys Vlasenko
30a8e0c2f9
bc: code shrink
...
function old new delta
zbc_program_print 684 680 -4
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-4) Total: -4 bytes
text data bss dec hex filename
981368 485 7296 989149 f17dd busybox_old
981364 485 7296 989145 f17d9 busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-18 19:20:04 +01:00
Denys Vlasenko
694d2982e5
bc: code shrink
...
function old new delta
bc_program_name 67 63 -4
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-4) Total: -4 bytes
text data bss dec hex filename
981372 485 7296 989153 f17e1 busybox_old
981368 485 7296 989149 f17dd busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-18 19:17:11 +01:00
Denys Vlasenko
7b30bc0222
bc: shrink bc_program_pushVar()
...
function old new delta
bc_program_pushVar 203 198 -5
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-18 17:14:34 +01:00
Denys Vlasenko
d340143247
bc: get rid of G.prog.ob, G.prog.strmb
...
function old new delta
zbc_num_printNum 489 540 +51
zbc_program_asciify 426 473 +47
zbc_program_print 686 684 -2
zbc_program_exec 4008 3995 -13
zbc_program_assign 474 440 -34
bc_vm_init 739 663 -76
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/4 up/down: 98/-125) Total: -27 bytes
text data bss dec hex filename
981404 485 7296 989185 f1801 busybox_old
981377 485 7296 989158 f17e6 busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-18 17:00:35 +01:00
Denys Vlasenko
09fe0aaefa
bc: do not show -i in --help, it's a NOP (for now)
...
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-18 16:32:25 +01:00
Denys Vlasenko
7f2d59c38d
bc: style edit, no code changes
...
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-18 16:24:07 +01:00
Denys Vlasenko
3f940c9c70
bc: shrink bc_program_index()
...
function old new delta
bc_program_index 66 47 -19
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-19) Total: -19 bytes
text data bss dec hex filename
981418 485 7296 989199 f180f busybox_old
981399 485 7296 989180 f17fc busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-18 15:49:42 +01:00
Denys Vlasenko
55f3cab7e9
bc: fix "echo -n '#foo' | bc" not eating last 'o'
...
function old new delta
zdc_parse_expr 656 653 -3
bc_lex_lineComment 39 36 -3
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-6) Total: -6 bytes
text data bss dec hex filename
981424 485 7296 989205 f1815 busybox_old
981418 485 7296 989199 f180f busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-18 14:39:33 +01:00
Denys Vlasenko
a199cc95b7
bc: shrink zdc_parse_expr()
...
function old new delta
zdc_parse_expr 656 653 -3
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-18 14:11:35 +01:00
Denys Vlasenko
07597cd35d
bc: optimize zbc_lex_string()
...
function old new delta
zbc_lex_next 2359 2353 -6
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-18 14:03:20 +01:00
Denys Vlasenko
ef271da33f
bc: shrink zdc_lex_string()
...
This actually fixes a rather obscure bug. This was failing to find
end of the string:
$ echo -n '[foo]' | dc
dc: string end could not be found
function old new delta
zbc_lex_next 2230 2141 -89
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-89) Total: -89 bytes
text data bss dec hex filename
981461 485 7296 989242 f183a busybox_old
981372 485 7296 989153 f17e1 busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-18 13:48:37 +01:00
Denys Vlasenko
d4258dd321
bc: another for() loop simplified
...
function old new delta
zbc_program_print 688 686 -2
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-18 13:22:23 +01:00
Denys Vlasenko
5c0c5abba0
bc: simplify another for() loop
...
function old new delta
zbc_num_d 563 557 -6
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-18 13:15:55 +01:00
Denys Vlasenko
6b0fbd14fc
bc: rewrite more for() loops
...
function old new delta
bc_program_name 75 67 -8
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-18 12:55:40 +01:00
Denys Vlasenko
71c82d1d8c
bc: rewrite another for() loop
...
function old new delta
zbc_num_d 570 563 -7
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-18 12:43:21 +01:00
Denys Vlasenko
e2e6ffd3c5
bc: replace signed division / 10 by unsigned
...
function old new delta
zbc_num_a 443 441 -2
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-18 12:23:16 +01:00
Denys Vlasenko
4113e1f2cd
bc: rewrite bc_num_compare() to be readable
...
function old new delta
bc_num_compare 59 51 -8
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-18 03:30:23 +01:00
Denys Vlasenko
57734c926b
bc: fold zbc_num_stream() into its single caller
...
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-18 03:30:23 +01:00
Denys Vlasenko
f6e3f8511e
bc: get rid of BcNum BcProgram::ib,hexb
...
function old new delta
zbc_program_num 907 943 +36
zbc_program_assign 485 474 -11
bc_vm_init 757 739 -18
bc_num_ten 30 - -30
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 1/2 up/down: 36/-59) Total: -23 bytes
text data bss dec hex filename
981532 485 7296 989313 f1881 busybox_old
981509 485 7296 989290 f186a busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-18 03:30:23 +01:00
Denys Vlasenko
0f31a5c79e
bc: fixes to bugs found while testing 64-bit build
...
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-18 03:16:48 +01:00
Denys Vlasenko
f4f10720fe
bc: fixed from 64-bit compile
...
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-18 02:23:53 +01:00
Denys Vlasenko
4b72aebe80
bc: remove "error after expression parsing" check
...
It is misplaced: caller knows better what can or cannot follow the expression.
Sometimes even caller's caller: "if (1) return a+b else..." -
parser of "return" does not know that "else" after it is valid,
parser of stmt does not know it either, - only parser of
"if" knows it!
The removed code balked on e.g. "{ print 1 }" statement.
This does not break any valid programs, but starts accepting some
invalid ones, e.g. "print 1 print 2" would work.
function old new delta
zcommon_parse_expr 40 32 -8
zbc_parse_name 509 494 -15
zbc_parse_stmt_possibly_auto 1678 1638 -40
bc_parse_expr_empty_ok 2025 1977 -48
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/4 up/down: 0/-111) Total: -111 bytes
text data bss dec hex filename
981599 485 7296 989380 f18c4 busybox_old
981488 485 7296 989269 f1855 busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-17 17:00:29 +01:00
Denys Vlasenko
b44a7f1d66
bc: tighten up input NUL handling
...
function old new delta
static.dc_lex_tokens - 90 +90
bc_error_bad_character 17 31 +14
static.dc_lex_regs - 13 +13
bc_read_line 406 410 +4
bc_program_index 64 66 +2
dc_lex_regs 13 - -13
zdc_parse_expr 671 656 -15
zbc_lex_next 2318 2230 -88
dc_lex_tokens 91 - -91
------------------------------------------------------------------------------
(add/remove: 2/2 grow/shrink: 3/2 up/down: 123/-207) Total: -84 bytes
text data bss dec hex filename
981667 485 7296 989448 f1908 busybox_old
981599 485 7296 989380 f18c4 busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-17 11:58:20 +01:00
Denys Vlasenko
e42cc19b51
bc: simplify zdc_parse_string()
...
function old new delta
bc_program_index 64 66 +2
zdc_parse_expr 671 656 -15
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/1 up/down: 2/-15) Total: -13 bytes
text data bss dec hex filename
981667 485 7296 989448 f1908 busybox_old
981655 485 7296 989436 f18fc busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-17 11:02:26 +01:00
Denys Vlasenko
59d4ce935e
bc: use common strings
...
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-17 10:42:31 +01:00
Denys Vlasenko
ec60318f15
bc: tidy up "z-function" macro machinery
...
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-17 10:34:02 +01:00
Denys Vlasenko
e4ba4c4371
bc: parse file arguments piecemeal (do not read entire file)
...
function old new delta
bc_read_line 336 406 +70
zbc_vm_execute_FILE - 67 +67
zbc_lex_next 2309 2318 +9
zbc_program_exec 4002 4008 +6
bc_program_index 66 64 -2
bc_vm_run 139 124 -15
zbc_vm_file 208 32 -176
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 3/3 up/down: 152/-193) Total: -41 bytes
text data bss dec hex filename
981736 485 7296 989517 f194d busybox_old
981667 485 7296 989448 f1908 busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-17 09:51:43 +01:00
Denys Vlasenko
c5774a3458
bc: move fflush to the _actual_ execution loop
...
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-17 01:22:53 +01:00
Denys Vlasenko
51b22b1bce
bc: fix typo: defone -> define
...
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-17 00:15:35 +01:00
Denys Vlasenko
94f72a387c
bc: factor out common code
...
function old new delta
zbc_parse_stmt_allow_NLINE_before - 59 +59
bc_parse_pushJUMP_ZERO - 27 +27
bc_parse_pushJUMP - 27 +27
rewrite_label_to_current - 19 +19
zbc_vm_process 594 599 +5
zbc_lex_next_and_skip_NLINE 22 - -22
zbc_parse_stmt_fail_if_bare_NLINE 28 - -28
zbc_parse_stmt_possibly_auto 1909 1678 -231
------------------------------------------------------------------------------
(add/remove: 4/2 grow/shrink: 1/1 up/down: 137/-281) Total: -144 bytes
text data bss dec hex filename
981879 485 7296 989660 f19dc busybox_old
981755 485 7296 989536 f1960 busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-17 00:07:48 +01:00
Denys Vlasenko
5ebd2a6128
bc: remove use of "BcInstPtr ip" object from loop parsing
...
function old new delta
zbc_parse_stmt_possibly_auto 1964 1909 -55
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-55) Total: -55 bytes
text data bss dec hex filename
981934 485 7296 989715 f1a13 busybox_old
981879 485 7296 989660 f19dc busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-16 23:35:04 +01:00
Denys Vlasenko
266aa00012
bc: store only index in p->exits, it's the only thing used there
...
function old new delta
zbc_parse_stmt_possibly_auto 1967 1964 -3
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-3) Total: -3 bytes
text data bss dec hex filename
981937 485 7296 989718 f1a16 busybox_old
981934 485 7296 989715 f1a13 busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-16 23:24:25 +01:00
Denys Vlasenko
8e7686e457
bc: p->exits.func is never zero, do not check for that
...
function old new delta
zbc_parse_stmt_possibly_auto 1978 1967 -11
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-11) Total: -11 bytes
text data bss dec hex filename
981948 485 7296 989729 f1a21 busybox_old
981937 485 7296 989718 f1a16 busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-16 23:18:28 +01:00
Denys Vlasenko
de24e9d366
bc: remove redundant JUMP generation when parsing 'while'
...
function old new delta
zbc_parse_stmt_possibly_auto 2065 2025 -40
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-40) Total: -40 bytes
text data bss dec hex filename
982035 485 7296 989816 f1a78 busybox_old
981995 485 7296 989776 f1a50 busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-16 23:02:22 +01:00
Denys Vlasenko
06ade77002
bc: simplify use of "ip" in loop parsing functions
...
function old new delta
zbc_parse_stmt_possibly_auto 2106 2065 -41
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-41) Total: -41 bytes
text data bss dec hex filename
982076 485 7296 989857 f1aa1 busybox_old
982035 485 7296 989816 f1a78 busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-16 22:44:51 +01:00
Denys Vlasenko
146a79d19c
bc: shring bc_lib[]
...
function old new delta
bc_lib 1586 1584 -2
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-16 21:46:11 +01:00
Denys Vlasenko
15850832be
bc: shrink zbc_parse_if() a bit more
...
function old new delta
zbc_parse_stmt_possibly_auto 2180 2106 -74
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-74) Total: -74 bytes
text data bss dec hex filename
982152 485 7296 989933 f1aed busybox_old
982078 485 7296 989859 f1aa3 busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-16 21:41:17 +01:00
Denys Vlasenko
6b5b46f817
bc: stop using p->exits when parsing if()
...
function old new delta
zbc_parse_stmt_possibly_auto 2180 2138 -42
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-16 21:29:08 +01:00
Denys Vlasenko
7415633128
bc: preparation to stop using p->exits when parsing if()
...
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-16 21:21:27 +01:00