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Author SHA1 Message Date
Denys Vlasenko
df1ff103c9 config: add size information for three more applets 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-12-28 13:37:44 +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
83e7e13628 config: add size information for udhcpc 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-12-28 13:03:48 +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
8fac1c7740 dc: add two tests 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-12-25 20:50:41 +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