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| author | Denys Vlasenko | 2021-06-29 01:09:08 +0200 |
|---|---|---|
| committer | Denys Vlasenko | 2021-06-29 01:09:08 +0200 |
| commit | 832cb4fcb98d2845bd3f9d244593fc1b5f362ca0 (patch) | |
| tree | 4da2c3925b4c4eaa03c8319c9274fd39543fde29 /editors | |
| parent | af0172369eb024fff3c8c2cd2c8765a7fde5a9f5 (diff) | |
| download | busybox-832cb4fcb98d2845bd3f9d244593fc1b5f362ca0.zip busybox-832cb4fcb98d2845bd3f9d244593fc1b5f362ca0.tar.gz | |
awk: make ltclass ("last token class") local to next_token()
function old new delta
next_token 784 790 +6
next_input_file 219 216 -3
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/1 up/down: 6/-3) Total: 3 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'editors')
| -rw-r--r-- | editors/awk.c | 24 |
1 files changed, 10 insertions, 14 deletions
diff --git a/editors/awk.c b/editors/awk.c index 9826a57..418bda1 100644 --- a/editors/awk.c +++ b/editors/awk.c @@ -556,7 +556,6 @@ struct globals2 { uint32_t next_token__save_tclass; uint32_t next_token__save_info; - uint32_t next_token__ltclass; smallint next_token__concat_inserted; smallint next_input_file__files_happen; @@ -615,7 +614,7 @@ struct globals2 { #define rsplitter (G.rsplitter ) #define INIT_G() do { \ SET_PTR_TO_GLOBALS((char*)xzalloc(sizeof(G1)+sizeof(G)) + sizeof(G1)); \ - G.next_token__ltclass = TC_OPTERM; \ + t_tclass = TC_OPTERM; \ G.evaluate__seed = 1; \ } while (0) @@ -1102,13 +1101,13 @@ static uint32_t next_token(uint32_t expected) #define concat_inserted (G.next_token__concat_inserted) #define save_tclass (G.next_token__save_tclass) #define save_info (G.next_token__save_info) -/* Initialized to TC_OPTERM: */ -#define ltclass (G.next_token__ltclass) char *p, *s; const char *tl; - uint32_t tc; const uint32_t *ti; + uint32_t tc, last_token_class; + + last_token_class = t_tclass; /* t_tclass is initialized to TC_OPTERM */ debug_printf_parse("%s() expected(%x):", __func__, expected); debug_parse_print_tc(expected); @@ -1245,15 +1244,15 @@ static uint32_t next_token(uint32_t expected) g_pos = p; /* skipping newlines in some cases */ - if ((ltclass & TC_NOTERM) && (tc & TC_NEWLINE)) + if ((last_token_class & TC_NOTERM) && (tc & TC_NEWLINE)) goto readnext; /* insert concatenation operator when needed */ debug_printf_parse("%s: concat_inserted if all nonzero: %x %x %x %x\n", __func__, - (ltclass & TC_CONCAT1), (tc & TC_CONCAT2), (expected & TC_BINOP), - !(ltclass == TC_LENGTH && tc == TC_SEQSTART)); - if ((ltclass & TC_CONCAT1) && (tc & TC_CONCAT2) && (expected & TC_BINOP) - && !(ltclass == TC_LENGTH && tc == TC_SEQSTART) /* but not for "length(..." */ + (last_token_class & TC_CONCAT1), (tc & TC_CONCAT2), (expected & TC_BINOP), + !(last_token_class == TC_LENGTH && tc == TC_SEQSTART)); + if ((last_token_class & TC_CONCAT1) && (tc & TC_CONCAT2) && (expected & TC_BINOP) + && !(last_token_class == TC_LENGTH && tc == TC_SEQSTART) /* but not for "length(..." */ ) { concat_inserted = TRUE; save_tclass = tc; @@ -1267,7 +1266,7 @@ static uint32_t next_token(uint32_t expected) } /* Are we ready for this? */ if (!(t_tclass & expected)) { - syntax_error((ltclass & (TC_NEWLINE | TC_EOF)) ? + syntax_error((last_token_class & (TC_NEWLINE | TC_EOF)) ? EMSG_UNEXP_EOS : EMSG_UNEXP_TOKEN); } @@ -1275,13 +1274,10 @@ static uint32_t next_token(uint32_t expected) debug_parse_print_tc(t_tclass); debug_printf_parse("\n"); - ltclass = t_tclass; - return t_tclass; #undef concat_inserted #undef save_tclass #undef save_info -#undef ltclass } static void rollback_token(void) |