diff options
Diffstat (limited to 'src/lex.l')
| -rw-r--r-- | src/lex.l | 119 |
1 files changed, 64 insertions, 55 deletions
@@ -1,4 +1,5 @@ %{ + /*****************************************************************************/ /* @@ -56,12 +57,14 @@ in this Software without prior written authorization from The Open Group. * * .twmrc lex file * - * 12-Nov-87 Thomas E. LaStrange File created + * 12-Nov-87 Thomas E. LaStrange File created * ***********************************************************************/ /* $XFree86: xc/programs/twm/lex.l,v 3.13 2001/08/27 21:11:39 dawes Exp $ */ -/* #include <stdio.h> */ /* lex already includes stdio.h */ +#define YY_NO_INPUT /* we have our own! */ + +/* #include <stdio.h> */ /* lex already includes stdio.h */ #include "twm.h" #include "gram.h" #include "list.h" @@ -72,75 +75,81 @@ int yylineno; #undef YY_INPUT #define YY_INPUT(buf,result,size) ((result) = doinput((buf),(size))) -static int doinput (char *buf, int size) +static int +doinput(char *buf, int size) { - int c; + int c; - if (size == 0) - return (0); + if (size == 0) + return (0); - if ((c = (*twmInputFunc)()) <= 0) - return (0); + if ((c = (*twmInputFunc) ()) <= 0) + return (0); - buf[0] = (char)c; - return (1); + buf[0] = (char) c; + if (c == '\n') + ++yylineno; + return (1); } #define YY_NO_UNPUT #endif %} -string \"([^"]|\\.)*\" -number [0-9]+ +string \"([^"]|\\.)*\" +number [0-9]+ %% -"{" { return (LB); } -"}" { return (RB); } -"(" { return (LP); } -")" { return (RP); } -"=" { return (EQUALS); } -":" { return (COLON); } -"+" { return PLUS; } -"-" { return MINUS; } -"|" { return OR; } - -[a-zA-Z\.]+ { int token = parse_keyword ((char *)yytext, - &yylval.num); - if (token == ERRORTOKEN) { - twmrc_error_prefix(); - fprintf (stderr, - "ignoring unknown keyword: %s\n", - yytext); - ParseError = 1; - } else - return token; - } - -"!" { yylval.num = F_EXEC; return FSKEYWORD; } -"^" { yylval.num = F_CUT; return FSKEYWORD; } - -{string} { yylval.ptr = (char *)yytext; return STRING; } -{number} { (void)sscanf((char *)yytext, "%d", &yylval.num); - return (NUMBER); - } -\#[^\n]*\n {;} -[\r\n\t ] {;} -. { - twmrc_error_prefix(); - fprintf (stderr, - "ignoring character \"%s\"\n", - yytext); - ParseError = 1; - } +"{" { return (LB); } +"}" { return (RB); } +"(" { return (LP); } +")" { return (RP); } +"=" { return (EQUALS); } +":" { return (COLON); } +"+" { return PLUS; } +"-" { return MINUS; } +"|" { return OR; } + +[a-zA-Z\.]+ { int token = parse_keyword ((char *)yytext, + &yylval.num); + if (token == ERRORTOKEN) { + parseWarning ( + "ignoring unknown keyword: %s", + yytext); + ParseError = 1; + } else + return token; + } + +"!" { yylval.num = F_EXEC; return FSKEYWORD; } +"^" { yylval.num = F_CUT; return FSKEYWORD; } + +{string} { yylval.ptr = (char *)yytext; return STRING; } +{number} { (void)sscanf((char *)yytext, "%d", &yylval.num); + return (NUMBER); + } +\#[^\n]*\n {;} +[\r\n\t ] {;} +. { + parseWarning ( + "ignoring character \"%s\"", + yytext); + ParseError = 1; + } %% + #ifndef yywrap -int yywrap() { return(1);} +int +yywrap() +{ + return (1); +} #endif #undef unput #undef input #undef output #undef feof -#define unput(c) twmUnput(c) -#define input() (*twmInputFunc)() -#define output(c) TwmOutput(c) -#define feof() (1) +#define unput(c) twmUnput(c) +#define input() (*twmInputFunc)() +#define output(c) TwmOutput(c) +#define feof() (1) |