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retab! cfgparse.l

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Michael Stapelberg 2011-05-22 22:15:43 +02:00
parent c23f3b45fc
commit 4c1392d8ab
1 changed files with 30 additions and 30 deletions
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60
src/cfgparse.l
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@ -1,13 +1,13 @@
/*
* vim:ts=4:sw=4:expandtab
*
*/
%option nounput %option nounput
%option noinput %option noinput
%option noyy_top_state %option noyy_top_state
%option stack %option stack
%{ %{
/*
* vim:ts=4:sw=4:expandtab
*
*/
#include <stdio.h> #include <stdio.h>
#include <string.h> #include <string.h>
#include <stdint.h> #include <stdint.h>
@ -25,9 +25,9 @@ int yycolumn = 1;
#define YY_DECL int yylex (struct context *context) #define YY_DECL int yylex (struct context *context)
#define YY_USER_ACTION { \ #define YY_USER_ACTION { \
context->first_column = yycolumn; \ context->first_column = yycolumn; \
context->last_column = yycolumn+yyleng-1; \ context->last_column = yycolumn+yyleng-1; \
yycolumn += yyleng; \ yycolumn += yyleng; \
} }
/* macro to first eat whitespace, then expect a string */ /* macro to first eat whitespace, then expect a string */
@ -38,7 +38,7 @@ int yycolumn = 1;
%} %}
EOL (\r?\n) EOL (\r?\n)
%s WANT_STRING %s WANT_STRING
%s WANT_QSTRING %s WANT_QSTRING
@ -52,24 +52,24 @@ EOL (\r?\n)
%% %%
{ {
/* This is called when a new line is lexed. We only want the /* This is called when a new line is lexed. We only want the
* first line to match to go into state BUFFER_LINE */ * first line to match to go into state BUFFER_LINE */
if (context->line_number == 0) { if (context->line_number == 0) {
context->line_number = 1; context->line_number = 1;
BEGIN(INITIAL); BEGIN(INITIAL);
yy_push_state(BUFFER_LINE); yy_push_state(BUFFER_LINE);
} }
} }
<BUFFER_LINE>^[^\r\n]*/{EOL}? { <BUFFER_LINE>^[^\r\n]*/{EOL}? {
/* save whole line */ /* save whole line */
context->line_copy = sstrdup(yytext); context->line_copy = sstrdup(yytext);
yyless(0); yyless(0);
yy_pop_state(); yy_pop_state();
yy_set_bol(true); yy_set_bol(true);
yycolumn = 1; yycolumn = 1;
} }
@ -84,7 +84,7 @@ EOL (\r?\n)
return STR; return STR;
} }
<WANT_STRING>[^\n]+ { BEGIN(INITIAL); yylval.string = sstrdup(yytext); return STR; } <WANT_STRING>[^\n]+ { BEGIN(INITIAL); yylval.string = sstrdup(yytext); return STR; }
<OUTPUT_COND>[a-zA-Z0-9_-]+ { yylval.string = sstrdup(yytext); return OUTPUT; } <OUTPUT_COND>[a-zA-Z0-9_-]+ { yylval.string = sstrdup(yytext); return OUTPUT; }
^[ \t]*#[^\n]* { return TOKCOMMENT; } ^[ \t]*#[^\n]* { return TOKCOMMENT; }
<COLOR_COND>[0-9a-fA-F]+ { yylval.string = sstrdup(yytext); return HEX; } <COLOR_COND>[0-9a-fA-F]+ { yylval.string = sstrdup(yytext); return HEX; }
[0-9]+ { yylval.number = atoi(yytext); return NUMBER; } [0-9]+ { yylval.number = atoi(yytext); return NUMBER; }
@ -174,8 +174,8 @@ title { yy_push_state(WANT_QSTRING); return TOK_TITLE;
BEGIN(INITIAL); BEGIN(INITIAL);
yy_push_state(BUFFER_LINE); yy_push_state(BUFFER_LINE);
} }
<BINDSYM_COND>[ \t]+ { BEGIN(WANT_STRING); } <BINDSYM_COND>[ \t]+ { BEGIN(WANT_STRING); }
<OUTPUT_COND>[ \t]+ { BEGIN(WANT_STRING); } <OUTPUT_COND>[ \t]+ { BEGIN(WANT_STRING); }
[ \t]+ { /* ignore whitespace */ ; } [ \t]+ { /* ignore whitespace */ ; }
\"[^\"]+\" { \"[^\"]+\" {
/* if ASSIGN_COND then */ /* if ASSIGN_COND then */
@ -187,14 +187,14 @@ title { yy_push_state(WANT_QSTRING); return TOK_TITLE;
return QUOTEDSTRING; return QUOTEDSTRING;
} }
<ASSIGN_COND>[^ \t]+ { BEGIN(INITIAL); yylval.string = sstrdup(yytext); return STR_NG; } <ASSIGN_COND>[^ \t]+ { BEGIN(INITIAL); yylval.string = sstrdup(yytext); return STR_NG; }
<BINDSYM_COND>[a-zA-Z0-9_]+ { yylval.string = sstrdup(yytext); return WORD; } <BINDSYM_COND>[a-zA-Z0-9_]+ { yylval.string = sstrdup(yytext); return WORD; }
[a-zA-Z]+ { yylval.string = sstrdup(yytext); return WORD; } [a-zA-Z]+ { yylval.string = sstrdup(yytext); return WORD; }
. { return (int)yytext[0]; } . { return (int)yytext[0]; }
<<EOF>> { <<EOF>> {
while (yy_start_stack_ptr > 0) while (yy_start_stack_ptr > 0)
yy_pop_state(); yy_pop_state();
yyterminate(); yyterminate();
} }
%% %%