diff options
Diffstat (limited to 'flex.skl')
| -rw-r--r-- | flex.skl | 55 |
1 files changed, 36 insertions, 19 deletions
@@ -1,6 +1,23 @@ /* -*-C-*- */ /* A lexical scanner generated by flex */ +%# Lines in this skeleton starting with a '%' character are "control lines" +%# and affect the generation of the scanner. The possible control codes are: +%# +%# %# - A comment. The current line is ommited from the generated scanner. +%# %+ - The following lines are printed for C++ scanners ONLY. +%# %- - The following lines are NOT printed for C++ scanners. +%# %* - The following lines are printed in BOTH C and C++ scanners. +%# %% - A stop-point, where code is inserted by flex. +%# Each stop-point is numbered here and also in the code generator. +%# (See gen.c, etc. for details.) +%# %c - Begin linkage code that should NOT appear in a ".h" file. +%# %e - End linkage code. %c and %e are used +%# +%# All control-lines EXCEPT comment lines ("%#") will be inserted into +%# the generated scanner as a C-style comment. This is to aid those who +%# edit the skeleton. +%# #define FLEX_SCANNER #define YY_FLEX_MAJOR_VERSION 2 #define YY_FLEX_MINOR_VERSION 5 @@ -336,7 +353,7 @@ static void yy_flex_free YY_PROTO(( void * YY_LAST_ARG )); #define YY_AT_BOL() (YY_G(yy_current_buffer)->yy_at_bol) -%% yytext/yyin/yyout/yy_state_type/yylineno etc. def's & init go here +%% [1.0] yytext/yyin/yyout/yy_state_type/yylineno etc. def's & init go here %- Standard (non-C++) definition %c @@ -352,16 +369,16 @@ static void yy_fatal_error YY_PROTO(( yyconst char msg[] )); */ #define YY_DO_BEFORE_ACTION \ yytext_ptr = yy_bp; \ -%% code to fiddle yytext and yyleng for yymore() goes here \ +%% [2.0] code to fiddle yytext and yyleng for yymore() goes here \ YY_G(yy_hold_char) = *yy_cp; \ *yy_cp = '\0'; \ -%% code to copy yytext_ptr to yytext[] goes here, if %array \ +%% [3.0] code to copy yytext_ptr to yytext[] goes here, if %array \ YY_G(yy_c_buf_p) = yy_cp; %* %c -%% data tables for the DFA and the user's section 1 definitions go here +%% [4.0] data tables for the DFA and the user's section 1 definitions go here %e #ifndef YY_EXTRA_TYPE @@ -589,7 +606,7 @@ YY_MALLOC_DECL */ #ifndef YY_INPUT #define YY_INPUT(buf,result,max_size) \ -%% fread()/read() definition of YY_INPUT goes here unless we're doing C++ \ +%% [5.0] fread()/read() definition of YY_INPUT goes here unless we're doing C++ \ %+ C++ definition \ if ( (result = LexerInput( (char *) buf, max_size )) < 0 ) \ YY_FATAL_ERROR( "input in flex scanner failed" ); @@ -672,7 +689,7 @@ extern int yylex YY_PROTO( YY_LEX_ARGS ); #define YY_BREAK break; #endif -%% YY_RULE_SETUP definition goes here +%% [6.0] YY_RULE_SETUP definition goes here %c YY_DECL @@ -681,7 +698,7 @@ YY_DECL register char *yy_cp, *yy_bp; register int yy_act; -%% user's declarations go here +%% [7.0] user's declarations go here #ifdef YY_REENTRANT_BISON_PURE YY_G(yylval) = yylvalp; @@ -724,7 +741,7 @@ YY_DECL while ( 1 ) /* loops until end-of-file is reached */ { -%% yymore()-related code goes here +%% [8.0] yymore()-related code goes here yy_cp = YY_G(yy_c_buf_p); /* Support of yytext. */ @@ -735,22 +752,22 @@ YY_DECL */ yy_bp = yy_cp; -%% code to set up and find next match goes here +%% [9.0] code to set up and find next match goes here yy_find_action: -%% code to find the action number goes here +%% [10.0] code to find the action number goes here YY_DO_BEFORE_ACTION; -%% code for yylineno update goes here +%% [11.0] code for yylineno update goes here do_action: /* This label is used only to access EOF actions. */ -%% debug code goes here +%% [12.0] debug code goes here switch ( yy_act ) { /* beginning of action switch */ -%% actions go here +%% [13.0] actions go here case YY_END_OF_BUFFER: { @@ -815,7 +832,7 @@ do_action: /* This label is used only to access EOF actions. */ else { -%% code to do back-up for compressed tables and set up yy_cp goes here +%% [14.0] code to do back-up for compressed tables and set up yy_cp goes here goto yy_find_action; } } @@ -1133,11 +1150,11 @@ yy_state_type yyFlexLexer::yy_get_previous_state() register yy_state_type yy_current_state; register char *yy_cp; -%% code to get the start state into yy_current_state goes here +%% [15.0] code to get the start state into yy_current_state goes here for ( yy_cp = yytext_ptr + YY_MORE_ADJ; yy_cp < YY_G(yy_c_buf_p); ++yy_cp ) { -%% code to find the next state goes here +%% [16.0] code to find the next state goes here } return yy_current_state; @@ -1163,7 +1180,7 @@ yy_state_type yyFlexLexer::yy_try_NUL_trans( yy_state_type yy_current_state ) %* { register int yy_is_jam; -%% code to find the next state, and perhaps do backing up, goes here +%% [17.0] code to find the next state, and perhaps do backing up, goes here return yy_is_jam ? 0 : yy_current_state; } @@ -1211,7 +1228,7 @@ void yyFlexLexer::yyunput( int c, register char* yy_bp YY_LAST_ARG) *--yy_cp = (char) c; -%% update yylineno here +%% [18.0] update yylineno here yytext_ptr = yy_bp; YY_G(yy_hold_char) = *yy_cp; @@ -1300,7 +1317,7 @@ int yyFlexLexer::yyinput() *YY_G(yy_c_buf_p) = '\0'; /* preserve yytext */ YY_G(yy_hold_char) = *++YY_G(yy_c_buf_p); -%% update BOL and yylineno +%% [19.0] update BOL and yylineno return c; } |