From: Michal Marek Date: Thu, 20 Jan 2011 15:19:58 +0000 (+0100) Subject: genksyms: Simplify lexer X-Git-Tag: Ubuntu-5.13.0-19.19~28315^2~1^2~5 X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=95f1d639ade8fdf9572ac8a926f62b29dd66eaba;p=mirror_ubuntu-jammy-kernel.git genksyms: Simplify lexer The V2_TOKENS state is active all the time. Signed-off-by: Michal Marek Acked-by: Sam Ravnborg --- diff --git a/scripts/genksyms/lex.c_shipped b/scripts/genksyms/lex.c_shipped index b54044ac1fa7..d0a0423361fd 100644 --- a/scripts/genksyms/lex.c_shipped +++ b/scripts/genksyms/lex.c_shipped @@ -455,16 +455,16 @@ struct yy_trans_info flex_int32_t yy_verify; flex_int32_t yy_nxt; }; -static yyconst flex_int16_t yy_accept[76] = +static yyconst flex_int16_t yy_accept[73] = { 0, - 0, 0, 0, 0, 14, 12, 4, 3, 12, 7, - 12, 12, 7, 12, 12, 12, 12, 12, 9, 9, - 12, 12, 12, 4, 0, 5, 0, 7, 0, 6, - 0, 0, 0, 0, 0, 0, 2, 8, 10, 10, - 9, 0, 0, 9, 9, 0, 9, 0, 0, 11, - 0, 0, 0, 10, 0, 10, 9, 9, 0, 0, - 0, 0, 0, 0, 0, 10, 10, 0, 0, 0, - 0, 0, 0, 1, 0 + 0, 0, 14, 12, 4, 3, 12, 7, 12, 12, + 12, 12, 12, 9, 9, 12, 12, 7, 12, 12, + 4, 0, 5, 0, 7, 8, 0, 6, 0, 0, + 10, 10, 9, 0, 0, 9, 9, 0, 9, 0, + 0, 0, 0, 2, 0, 0, 11, 0, 10, 0, + 10, 9, 9, 0, 0, 0, 10, 10, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 1, 0 } ; static yyconst flex_int32_t yy_ec[256] = @@ -506,108 +506,104 @@ static yyconst flex_int32_t yy_meta[29] = 8, 7, 3, 3, 3, 1, 3, 1 } ; -static yyconst flex_int16_t yy_base[88] = +static yyconst flex_int16_t yy_base[85] = { 0, - 0, 147, 21, 140, 145, 284, 39, 284, 26, 0, - 32, 126, 40, 44, 115, 35, 36, 46, 50, 53, - 39, 61, 54, 79, 65, 284, 0, 0, 66, 284, - 0, 119, 79, 75, 123, 104, 284, 284, 107, 0, - 79, 73, 76, 76, 66, 0, 0, 85, 86, 284, - 133, 83, 91, 284, 99, 147, 284, 114, 122, 70, - 107, 141, 172, 151, 135, 181, 284, 137, 114, 157, - 149, 48, 45, 284, 284, 208, 214, 222, 230, 238, - 246, 250, 255, 256, 261, 267, 275 + 0, 145, 150, 266, 27, 266, 25, 0, 131, 23, + 23, 16, 23, 39, 31, 25, 39, 60, 22, 65, + 57, 43, 266, 0, 0, 266, 61, 266, 0, 128, + 74, 0, 113, 59, 62, 113, 52, 0, 0, 72, + 66, 110, 100, 266, 73, 74, 266, 70, 266, 90, + 103, 266, 84, 129, 108, 113, 143, 266, 107, 66, + 118, 137, 168, 120, 80, 91, 145, 143, 83, 41, + 266, 266, 190, 196, 204, 212, 220, 228, 232, 237, + 238, 243, 249, 257 } ; -static yyconst flex_int16_t yy_def[88] = +static yyconst flex_int16_t yy_def[85] = { 0, - 75, 1, 1, 3, 75, 75, 75, 75, 76, 77, - 78, 75, 77, 79, 75, 75, 75, 75, 75, 19, - 75, 75, 75, 75, 76, 75, 80, 77, 78, 75, - 81, 75, 76, 78, 79, 79, 75, 75, 75, 39, - 19, 82, 83, 75, 75, 84, 20, 76, 78, 75, - 79, 51, 85, 75, 75, 75, 75, 84, 79, 51, - 79, 79, 79, 51, 75, 75, 75, 86, 79, 63, - 86, 87, 87, 75, 0, 75, 75, 75, 75, 75, - 75, 75, 75, 75, 75, 75, 75 + 72, 1, 72, 72, 72, 72, 73, 74, 72, 72, + 75, 72, 72, 72, 14, 72, 72, 74, 72, 76, + 72, 73, 72, 77, 74, 72, 75, 72, 78, 72, + 72, 31, 14, 79, 80, 72, 72, 81, 15, 73, + 75, 76, 76, 72, 73, 75, 72, 82, 72, 72, + 72, 72, 81, 76, 54, 72, 72, 72, 76, 54, + 76, 76, 76, 54, 83, 76, 63, 83, 84, 84, + 72, 0, 72, 72, 72, 72, 72, 72, 72, 72, + 72, 72, 72, 72 } ; -static yyconst flex_int16_t yy_nxt[313] = +static yyconst flex_int16_t yy_nxt[295] = { 0, - 6, 7, 8, 7, 9, 6, 10, 6, 6, 11, - 6, 6, 12, 6, 6, 6, 6, 6, 6, 10, - 10, 10, 13, 10, 10, 6, 10, 6, 15, 16, - 26, 15, 17, 18, 19, 20, 20, 21, 15, 22, - 24, 30, 24, 38, 33, 36, 37, 74, 23, 34, - 74, 27, 38, 38, 38, 38, 38, 31, 32, 39, - 39, 39, 40, 41, 41, 42, 47, 47, 47, 26, - 43, 38, 44, 45, 46, 30, 44, 75, 38, 38, - 24, 38, 24, 26, 30, 40, 55, 55, 57, 26, - 27, 31, 57, 43, 35, 30, 64, 64, 64, 57, - - 31, 65, 65, 75, 27, 36, 37, 35, 59, 37, - 27, 31, 56, 56, 56, 59, 37, 51, 52, 52, - 39, 39, 39, 59, 37, 37, 68, 53, 54, 54, - 69, 50, 38, 54, 59, 37, 44, 45, 32, 37, - 44, 35, 59, 37, 75, 14, 60, 60, 66, 66, - 66, 37, 14, 72, 75, 61, 62, 63, 59, 61, - 56, 56, 56, 69, 64, 64, 64, 69, 67, 67, - 75, 75, 75, 67, 37, 35, 75, 75, 75, 61, - 62, 75, 75, 61, 75, 70, 70, 70, 75, 75, - 75, 70, 70, 70, 66, 66, 66, 75, 75, 75, - - 75, 75, 54, 54, 75, 75, 75, 54, 25, 25, - 25, 25, 25, 25, 25, 25, 28, 75, 75, 28, - 28, 28, 29, 29, 29, 29, 29, 29, 29, 29, - 35, 35, 35, 35, 35, 35, 35, 35, 48, 75, - 48, 48, 48, 48, 48, 48, 49, 75, 49, 49, - 49, 49, 49, 49, 42, 42, 75, 42, 56, 75, - 56, 58, 58, 58, 66, 75, 66, 71, 71, 71, - 71, 71, 71, 71, 71, 73, 73, 73, 73, 73, - 73, 73, 73, 5, 75, 75, 75, 75, 75, 75, - 75, 75, 75, 75, 75, 75, 75, 75, 75, 75, - - 75, 75, 75, 75, 75, 75, 75, 75, 75, 75, - 75, 75 + 4, 5, 6, 5, 7, 4, 8, 9, 10, 11, + 9, 12, 13, 14, 15, 15, 16, 9, 17, 8, + 8, 8, 18, 8, 8, 4, 8, 19, 21, 23, + 21, 26, 28, 26, 26, 30, 31, 31, 31, 26, + 26, 26, 26, 71, 39, 39, 39, 23, 29, 26, + 24, 32, 33, 33, 34, 72, 26, 26, 21, 35, + 21, 36, 37, 38, 40, 36, 43, 44, 24, 41, + 28, 32, 50, 50, 52, 28, 23, 23, 52, 35, + 56, 56, 44, 28, 42, 71, 29, 31, 31, 31, + 42, 29, 59, 44, 48, 49, 49, 24, 24, 29, + + 49, 43, 44, 51, 51, 51, 36, 37, 59, 44, + 36, 65, 44, 54, 55, 55, 51, 51, 51, 59, + 44, 64, 64, 64, 58, 58, 57, 57, 57, 58, + 59, 44, 42, 64, 64, 64, 52, 72, 59, 44, + 47, 66, 60, 60, 42, 44, 59, 69, 26, 72, + 20, 61, 62, 63, 72, 61, 57, 57, 57, 66, + 72, 72, 72, 66, 49, 49, 72, 61, 62, 49, + 44, 61, 72, 72, 72, 72, 72, 72, 72, 72, + 72, 67, 67, 67, 72, 72, 72, 67, 67, 67, + 22, 22, 22, 22, 22, 22, 22, 22, 25, 72, + + 72, 25, 25, 25, 27, 27, 27, 27, 27, 27, + 27, 27, 42, 42, 42, 42, 42, 42, 42, 42, + 45, 72, 45, 45, 45, 45, 45, 45, 46, 72, + 46, 46, 46, 46, 46, 46, 34, 34, 72, 34, + 51, 72, 51, 53, 53, 53, 57, 72, 57, 68, + 68, 68, 68, 68, 68, 68, 68, 70, 70, 70, + 70, 70, 70, 70, 70, 3, 72, 72, 72, 72, + 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, + 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, + 72, 72, 72, 72 + } ; -static yyconst flex_int16_t yy_chk[313] = +static yyconst flex_int16_t yy_chk[295] = { 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 3, 3, - 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, - 7, 11, 7, 16, 13, 14, 14, 73, 3, 13, - 72, 9, 16, 17, 17, 21, 21, 11, 18, 18, - 18, 18, 19, 19, 19, 19, 20, 20, 20, 25, - 19, 23, 19, 19, 19, 29, 19, 20, 22, 22, - 24, 23, 24, 33, 34, 42, 43, 43, 45, 48, - 25, 29, 45, 42, 60, 49, 52, 52, 52, 44, - - 34, 53, 53, 41, 33, 36, 36, 52, 61, 61, - 48, 49, 55, 55, 55, 69, 69, 36, 36, 36, - 39, 39, 39, 59, 59, 35, 59, 39, 39, 39, - 61, 32, 15, 39, 51, 51, 58, 58, 12, 68, - 58, 68, 62, 62, 5, 4, 51, 51, 65, 65, - 65, 71, 2, 71, 0, 51, 51, 51, 70, 51, - 56, 56, 56, 62, 64, 64, 64, 62, 56, 56, - 0, 0, 0, 56, 63, 64, 0, 0, 0, 70, - 70, 0, 0, 70, 0, 63, 63, 63, 0, 0, - 0, 63, 63, 63, 66, 66, 66, 0, 0, 0, - - 0, 0, 66, 66, 0, 0, 0, 66, 76, 76, - 76, 76, 76, 76, 76, 76, 77, 0, 0, 77, - 77, 77, 78, 78, 78, 78, 78, 78, 78, 78, - 79, 79, 79, 79, 79, 79, 79, 79, 80, 0, - 80, 80, 80, 80, 80, 80, 81, 0, 81, 81, - 81, 81, 81, 81, 82, 82, 0, 82, 83, 0, - 83, 84, 84, 84, 85, 0, 85, 86, 86, 86, - 86, 86, 86, 86, 86, 87, 87, 87, 87, 87, - 87, 87, 87, 75, 75, 75, 75, 75, 75, 75, - 75, 75, 75, 75, 75, 75, 75, 75, 75, 75, - - 75, 75, 75, 75, 75, 75, 75, 75, 75, 75, - 75, 75 + 1, 1, 1, 1, 1, 1, 1, 1, 5, 7, + 5, 10, 11, 12, 12, 13, 13, 13, 13, 19, + 10, 16, 16, 70, 15, 15, 15, 22, 11, 19, + 7, 14, 14, 14, 14, 15, 17, 17, 21, 14, + 21, 14, 14, 14, 18, 14, 20, 20, 22, 18, + 27, 34, 35, 35, 37, 41, 40, 45, 37, 34, + 48, 48, 65, 46, 65, 69, 27, 31, 31, 31, + 60, 41, 66, 66, 31, 31, 31, 40, 45, 46, + + 31, 43, 43, 50, 50, 50, 53, 53, 59, 59, + 53, 59, 42, 43, 43, 43, 51, 51, 51, 61, + 61, 55, 55, 55, 51, 51, 56, 56, 56, 51, + 54, 54, 55, 64, 64, 64, 36, 33, 62, 62, + 30, 61, 54, 54, 64, 68, 67, 68, 9, 3, + 2, 54, 54, 54, 0, 54, 57, 57, 57, 62, + 0, 0, 0, 62, 57, 57, 0, 67, 67, 57, + 63, 67, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 63, 63, 63, 0, 0, 0, 63, 63, 63, + 73, 73, 73, 73, 73, 73, 73, 73, 74, 0, + + 0, 74, 74, 74, 75, 75, 75, 75, 75, 75, + 75, 75, 76, 76, 76, 76, 76, 76, 76, 76, + 77, 0, 77, 77, 77, 77, 77, 77, 78, 0, + 78, 78, 78, 78, 78, 78, 79, 79, 0, 79, + 80, 0, 80, 81, 81, 81, 82, 0, 82, 83, + 83, 83, 83, 83, 83, 83, 83, 84, 84, 84, + 84, 84, 84, 84, 84, 72, 72, 72, 72, 72, + 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, + 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, + 72, 72, 72, 72 + } ; static yy_state_type yy_last_accepting_state; @@ -618,8 +614,8 @@ int yy_flex_debug = 1; static yyconst flex_int16_t yy_rule_linenum[13] = { 0, - 71, 72, 73, 76, 79, 80, 81, 87, 88, 89, - 91, 94 + 67, 68, 69, 72, 75, 76, 77, 83, 84, 85, + 87, 90 } ; /* The intent behind this definition is that it'll catch @@ -666,15 +662,11 @@ char *yytext; and then we categorize those basic tokens in the second stage. */ #define YY_DECL static int yylex1(void) -/* Version 2 checksumming does proper tokenization; version 1 wasn't - quite so pedantic. */ - /* We don't do multiple input files. */ #define YY_NO_INPUT 1 -#line 675 "scripts/genksyms/lex.c" +#line 668 "scripts/genksyms/lex.c" #define INITIAL 0 -#define V2_TOKENS 1 #ifndef YY_NO_UNISTD_H /* Special case for "unistd.h", since it is non-ANSI. We include it way @@ -917,12 +909,12 @@ YY_DECL register int yy_act; /* %% [7.0] user's declarations go here */ -#line 67 "scripts/genksyms/lex.l" +#line 63 "scripts/genksyms/lex.l" /* Keep track of our location in the original source files. */ -#line 926 "scripts/genksyms/lex.c" +#line 918 "scripts/genksyms/lex.c" if ( !(yy_init) ) { @@ -986,13 +978,13 @@ yy_match: while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) { yy_current_state = (int) yy_def[yy_current_state]; - if ( yy_current_state >= 76 ) + if ( yy_current_state >= 73 ) yy_c = yy_meta[(unsigned int) yy_c]; } yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; ++yy_cp; } - while ( yy_base[yy_current_state] != 284 ); + while ( yy_base[yy_current_state] != 266 ); yy_find_action: /* %% [10.0] code to find the action number goes here */ @@ -1040,42 +1032,42 @@ do_action: /* This label is used only to access EOF actions. */ case 1: /* rule 1 can match eol */ YY_RULE_SETUP -#line 71 "scripts/genksyms/lex.l" +#line 67 "scripts/genksyms/lex.l" return FILENAME; YY_BREAK case 2: /* rule 2 can match eol */ YY_RULE_SETUP -#line 72 "scripts/genksyms/lex.l" +#line 68 "scripts/genksyms/lex.l" cur_line++; YY_BREAK case 3: /* rule 3 can match eol */ YY_RULE_SETUP -#line 73 "scripts/genksyms/lex.l" +#line 69 "scripts/genksyms/lex.l" cur_line++; YY_BREAK /* Ignore all other whitespace. */ case 4: YY_RULE_SETUP -#line 76 "scripts/genksyms/lex.l" +#line 72 "scripts/genksyms/lex.l" ; YY_BREAK case 5: /* rule 5 can match eol */ YY_RULE_SETUP -#line 79 "scripts/genksyms/lex.l" +#line 75 "scripts/genksyms/lex.l" return STRING; YY_BREAK case 6: /* rule 6 can match eol */ YY_RULE_SETUP -#line 80 "scripts/genksyms/lex.l" +#line 76 "scripts/genksyms/lex.l" return CHAR; YY_BREAK case 7: YY_RULE_SETUP -#line 81 "scripts/genksyms/lex.l" +#line 77 "scripts/genksyms/lex.l" return IDENT; YY_BREAK /* The Pedant requires that the other C multi-character tokens be @@ -1084,38 +1076,37 @@ return IDENT; around them properly. */ case 8: YY_RULE_SETUP -#line 87 "scripts/genksyms/lex.l" +#line 83 "scripts/genksyms/lex.l" return OTHER; YY_BREAK case 9: YY_RULE_SETUP -#line 88 "scripts/genksyms/lex.l" +#line 84 "scripts/genksyms/lex.l" return INT; YY_BREAK case 10: YY_RULE_SETUP -#line 89 "scripts/genksyms/lex.l" +#line 85 "scripts/genksyms/lex.l" return REAL; YY_BREAK case 11: YY_RULE_SETUP -#line 91 "scripts/genksyms/lex.l" +#line 87 "scripts/genksyms/lex.l" return DOTS; YY_BREAK /* All other tokens are single characters. */ case 12: YY_RULE_SETUP -#line 94 "scripts/genksyms/lex.l" +#line 90 "scripts/genksyms/lex.l" return yytext[0]; YY_BREAK case 13: YY_RULE_SETUP -#line 97 "scripts/genksyms/lex.l" +#line 93 "scripts/genksyms/lex.l" ECHO; YY_BREAK -#line 1117 "scripts/genksyms/lex.c" +#line 1109 "scripts/genksyms/lex.c" case YY_STATE_EOF(INITIAL): -case YY_STATE_EOF(V2_TOKENS): yyterminate(); case YY_END_OF_BUFFER: @@ -1428,7 +1419,7 @@ static int yy_get_next_buffer (void) while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) { yy_current_state = (int) yy_def[yy_current_state]; - if ( yy_current_state >= 76 ) + if ( yy_current_state >= 73 ) yy_c = yy_meta[(unsigned int) yy_c]; } yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; @@ -1461,11 +1452,11 @@ static int yy_get_next_buffer (void) while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) { yy_current_state = (int) yy_def[yy_current_state]; - if ( yy_current_state >= 76 ) + if ( yy_current_state >= 73 ) yy_c = yy_meta[(unsigned int) yy_c]; } yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; - yy_is_jam = (yy_current_state == 75); + yy_is_jam = (yy_current_state == 72); return yy_is_jam ? 0 : yy_current_state; } @@ -2251,7 +2242,7 @@ void yyfree (void * ptr ) /* %ok-for-header */ -#line 97 "scripts/genksyms/lex.l" +#line 93 "scripts/genksyms/lex.l" @@ -2293,7 +2284,6 @@ yylex(void) if (lexstate == ST_NOTSTARTED) { - BEGIN(V2_TOKENS); next_node = xmalloc(sizeof(*next_node)); next_node->next = NULL; lexstate = ST_NORMAL; diff --git a/scripts/genksyms/lex.l b/scripts/genksyms/lex.l index fe50ff9dacd0..4687b1d147de 100644 --- a/scripts/genksyms/lex.l +++ b/scripts/genksyms/lex.l @@ -55,10 +55,6 @@ CHAR L?\'([^\\\']*\\.)*[^\\\']*\' MC_TOKEN ([~%^&*+=|<>/-]=)|(&&)|("||")|(->)|(<<)|(>>) -/* Version 2 checksumming does proper tokenization; version 1 wasn't - quite so pedantic. */ -%s V2_TOKENS - /* We don't do multiple input files. */ %option noyywrap @@ -84,9 +80,9 @@ MC_TOKEN ([~%^&*+=|<>/-]=)|(&&)|("||")|(->)|(<<)|(>>) recognized as tokens. We don't actually use them since we don't parse expressions, but we do want whitespace to be arranged around them properly. */ -{MC_TOKEN} return OTHER; -{INT} return INT; -{REAL} return REAL; +{MC_TOKEN} return OTHER; +{INT} return INT; +{REAL} return REAL; "..." return DOTS; @@ -134,7 +130,6 @@ yylex(void) if (lexstate == ST_NOTSTARTED) { - BEGIN(V2_TOKENS); next_node = xmalloc(sizeof(*next_node)); next_node->next = NULL; lexstate = ST_NORMAL;