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|
%option noyywrap nounput
%option bison-locations
%{
#include <stdio.h>
#include "lexer/theme-parser.h"
int last_state = 0;
GQueue *queue = NULL;
%}
%{
#define YY_USER_ACTION {\
yylloc->last_column+= yyleng;\
}
#define YY_LLOC_START {\
yylloc->first_line = yylloc->last_line; yylloc->first_column = yylloc->last_column;\
}
%}
WHITESPACE [ \t]
WORD [_\-a-zA-Z0-9]+
STRING [ \t_\-a-zA-Z0-9]+
HEX [0-9a-fA-F]
NUMBER [0-9]
%x PROPERTIES
%x NAMESTR
%x ENTRY
%%
%{
YY_LLOC_START
%}
%{
if ( queue == NULL ){
queue = g_queue_new ( );
}
%}
<*>"//" {
int c;
while ((c = input()) != EOF){
if (c == '\n') {
yylloc->last_column = 1;
yylloc->last_line ++;
break;
}
yylloc->last_column++;
}
YY_LLOC_START
}
<*>"/*" {
int c = 0, p;
int nesting_depth = 1;
while (nesting_depth) {
p = c;
c = input();
switch (c) {
case '*': yylloc->last_column++; if (p == '/') { c = 0; nesting_depth++; } break;
case '/': yylloc->last_column++; if (p == '*') { c = 0; nesting_depth--; } break;
case '\n': {
yylloc->last_column = 1;
yylloc->last_line ++;
break;
}
case EOF: nesting_depth = 0; break;
default:
yylloc->last_column++;
;
}
}
YY_LLOC_START
}
/* Go into parsing an entry */
<INITIAL>"\{" {
g_queue_push_head ( queue, GINT_TO_POINTER (YY_START) );
BEGIN(ENTRY);
return BOPEN;
}
/* Pop out of parsing an entry. */
<ENTRY>"\}" {
BEGIN(GPOINTER_TO_INT(g_queue_pop_head ( queue )));
return BCLOSE;
}
<INITIAL>"@" { g_queue_push_head ( queue, GINT_TO_POINTER (YY_START) ); BEGIN(NAMESTR);return CLASS_PREFIX;}
<INITIAL>"#" { g_queue_push_head ( queue, GINT_TO_POINTER (YY_START) ); BEGIN(NAMESTR);return NAME_PREFIX;}
<INITIAL,NAMESTR>"." { return NSEP; }
<INITIAL,ENTRY>{WORD} { yylval->sval = g_strdup(yytext); return N_STRING;}
<NAMESTR>{WORD} { yylval->sval = g_strdup(yytext); return NAME_ELEMENT;}
/* After Namestr/Classstr we want to go to state str, then to { */
<NAMESTR>{WHITESPACE} { BEGIN(GPOINTER_TO_INT (g_queue_pop_head ( queue )));}
<INITIAL,ENTRY>{WHITESPACE}+ ; // ignore all whitespace
<PROPERTIES>{WHITESPACE}+ ; // ignore all whitespace
<INITIAL,ENTRY>":" { g_queue_push_head ( queue, GINT_TO_POINTER (YY_START) ); BEGIN(PROPERTIES); return PSEP; }
<PROPERTIES>";" { BEGIN(GPOINTER_TO_INT ( g_queue_pop_head ( queue ))); return PCLOSE;}
<PROPERTIES>(true|false) { yylval->bval= g_strcmp0(yytext, "true") == 0; return T_BOOLEAN;}
<PROPERTIES>{NUMBER}+ { yylval->ival = (int)g_ascii_strtoll(yytext, NULL, 10); return T_INT;}
<PROPERTIES>{NUMBER}+\.{NUMBER}+ { yylval->fval = g_ascii_strtod(yytext, NULL); return T_DOUBLE;}
<PROPERTIES>\"{STRING}\" { yytext[yyleng-1] = '\0'; yylval->sval = g_strdup(&yytext[1]); return T_STRING;}
<PROPERTIES>#{HEX}{8} {
union { unsigned int val; struct { unsigned char b,g,r,a;};} val;
val.val = (unsigned int)strtoull ( &yytext[1], NULL, 16);
yylval->colorval.alpha = val.a/255.0;
yylval->colorval.red = val.r/255.0;
yylval->colorval.green = val.g/255.0;
yylval->colorval.blue = val.b/255.0;
return T_COLOR;
}
<PROPERTIES>argb:{HEX}{8} {
union { unsigned int val; struct { unsigned char b,g,r,a;};} val;
val.val = (unsigned int)strtoull ( &yytext[1], NULL, 16);
yylval->colorval.alpha = val.a/255.0;
yylval->colorval.red = val.r/255.0;
yylval->colorval.green = val.g/255.0;
yylval->colorval.blue = val.b/255.0;
return T_COLOR;
}
<PROPERTIES>#{HEX}{6} {
union { unsigned int val; struct { unsigned char b,g,r,a;};} val;
val.val = (unsigned int)g_ascii_strtoull ( &yytext[1], NULL, 16);
yylval->colorval.alpha = 1.0;
yylval->colorval.red = val.r/255.0;
yylval->colorval.green = val.g/255.0;
yylval->colorval.blue = val.b/255.0;
return T_COLOR;
}
<PROPERTIES>rgba\({NUMBER}{1,3},{NUMBER}{1,3},{NUMBER}{1,3},[01](\.{NUMBER}+)?\) {
char *endptr = &yytext[5];
yylval->colorval.red = g_ascii_strtoull ( endptr, &endptr, 10);
yylval->colorval.green= g_ascii_strtoull ( endptr+1, &endptr, 10);
yylval->colorval.blue= g_ascii_strtoull ( endptr+1, &endptr, 10);
yylval->colorval.alpha= g_ascii_strtod ( endptr+1, NULL);
return T_COLOR;
}
<PROPERTIES>rgb\({NUMBER}{1,3},{NUMBER}{1,3},{NUMBER}{1,3}\) {
char *endptr = &yytext[4];
yylval->colorval.red = g_ascii_strtoull ( endptr, &endptr, 10);
yylval->colorval.green = g_ascii_strtoull ( endptr+1, &endptr, 10);
yylval->colorval.blue = g_ascii_strtoull ( endptr+1, &endptr, 10);
yylval->colorval.alpha = 1.0;
return T_COLOR;
}
<*>(\r\n|\n) {
yylloc->last_column = 1;
yylloc->last_line ++;
};
<INITIAL><<EOF>> {
g_queue_free ( queue );
yyterminate();
}
<*>. {
fprintf(stderr, "Invalid character: '%c'\n", *yytext);
yyterminate();
}
%%
|
