206 lines
9.6 KiB
Plaintext
206 lines
9.6 KiB
Plaintext
/*
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* vim:ts=4:sw=4:expandtab
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*
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*/
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%option nounput
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%option noinput
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%option noyy_top_state
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%option stack
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%{
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#include <stdio.h>
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#include <string.h>
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#include <stdint.h>
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#include <xcb/xcb.h>
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#include "data.h"
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#include "config.h"
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#include "log.h"
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#include "util.h"
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#include "cfgparse.tab.h"
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int yycolumn = 1;
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#define YY_DECL int yylex (struct context *context)
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#define YY_USER_ACTION { \
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context->first_column = yycolumn; \
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context->last_column = yycolumn+yyleng-1; \
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yycolumn += yyleng; \
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}
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/* macro to first eat whitespace, then expect a string */
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#define WS_STRING do { \
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yy_push_state(WANT_STRING); \
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yy_push_state(EAT_WHITESPACE); \
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} while (0)
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%}
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EOL (\r?\n)
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%s WANT_STRING
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%s WANT_QSTRING
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%s BINDSYM_COND
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%s ASSIGN_COND
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%s ASSIGN_TARGET_COND
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%s COLOR_COND
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%s OUTPUT_COND
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%s FOR_WINDOW_COND
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%s EAT_WHITESPACE
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%x BUFFER_LINE
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%%
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{
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/* This is called when a new line is lexed. We only want the
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* first line to match to go into state BUFFER_LINE */
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if (context->line_number == 0) {
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context->line_number = 1;
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BEGIN(INITIAL);
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yy_push_state(BUFFER_LINE);
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}
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}
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<BUFFER_LINE>^[^\r\n]*/{EOL}? {
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/* save whole line */
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context->line_copy = sstrdup(yytext);
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yyless(0);
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yy_pop_state();
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yy_set_bol(true);
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yycolumn = 1;
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}
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<FOR_WINDOW_COND>"]" { yy_pop_state(); return ']'; }
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<EAT_WHITESPACE>[ \t]* { yy_pop_state(); }
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<WANT_QSTRING>\"[^\"]+\" {
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yy_pop_state();
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/* strip quotes */
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char *copy = sstrdup(yytext+1);
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copy[strlen(copy)-1] = '\0';
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yylval.string = copy;
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return STR;
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}
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<WANT_STRING>[^\n]+ { BEGIN(INITIAL); yylval.string = sstrdup(yytext); return STR; }
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<OUTPUT_COND>[a-zA-Z0-9_-]+ { yylval.string = sstrdup(yytext); return OUTPUT; }
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^[ \t]*#[^\n]* { return TOKCOMMENT; }
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<COLOR_COND>[0-9a-fA-F]+ { yylval.string = sstrdup(yytext); return HEX; }
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<ASSIGN_TARGET_COND>[ \t]*→[ \t]* { BEGIN(WANT_STRING); }
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<ASSIGN_TARGET_COND>[ \t]+ { BEGIN(WANT_STRING); }
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[0-9]+ { yylval.number = atoi(yytext); return NUMBER; }
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mode { return TOKMODE; }
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bind { yy_push_state(WANT_STRING); yy_push_state(EAT_WHITESPACE); yy_push_state(EAT_WHITESPACE); return TOKBINDCODE; }
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bindcode { yy_push_state(WANT_STRING); yy_push_state(EAT_WHITESPACE); yy_push_state(EAT_WHITESPACE); return TOKBINDCODE; }
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bindsym { yy_push_state(BINDSYM_COND); yy_push_state(EAT_WHITESPACE); return TOKBINDSYM; }
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floating_modifier { BEGIN(INITIAL); return TOKFLOATING_MODIFIER; }
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workspace { BEGIN(INITIAL); return TOKWORKSPACE; }
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output { yy_push_state(OUTPUT_COND); yy_push_state(EAT_WHITESPACE); return TOKOUTPUT; }
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screen {
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/* for compatibility until v3.φ */
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ELOG("Assignments to screens are DEPRECATED and will not work. " \
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"Please replace them with assignments to outputs.\n");
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yy_push_state(OUTPUT_COND); yy_push_state(EAT_WHITESPACE);
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return TOKOUTPUT;
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}
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terminal { WS_STRING; return TOKTERMINAL; }
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font { WS_STRING; return TOKFONT; }
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assign { yy_push_state(ASSIGN_TARGET_COND); yy_push_state(ASSIGN_COND); return TOKASSIGN; }
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set[^\n]* { return TOKCOMMENT; }
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ipc-socket { WS_STRING; return TOKIPCSOCKET; }
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ipc_socket { WS_STRING; return TOKIPCSOCKET; }
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restart_state { WS_STRING; return TOKRESTARTSTATE; }
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default_orientation { return TOK_ORIENTATION; }
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horizontal { return TOK_HORIZ; }
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vertical { return TOK_VERT; }
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auto { return TOK_AUTO; }
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workspace_layout { return TOK_WORKSPACE_LAYOUT; }
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new_window { return TOKNEWWINDOW; }
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normal { return TOK_NORMAL; }
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none { return TOK_NONE; }
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1pixel { return TOK_1PIXEL; }
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focus_follows_mouse { return TOKFOCUSFOLLOWSMOUSE; }
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force_focus_wrapping { return TOK_FORCE_FOCUS_WRAPPING; }
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workspace_bar { return TOKWORKSPACEBAR; }
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popup_during_fullscreen { return TOK_POPUP_DURING_FULLSCREEN; }
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ignore { return TOK_IGNORE; }
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leave_fullscreen { return TOK_LEAVE_FULLSCREEN; }
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for_window {
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/* Example: for_window [class="urxvt"] border none
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*
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* First, we wait for the ']' that finishes a match (FOR_WINDOW_COND)
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* Then, we require a whitespace (EAT_WHITESPACE)
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* And the rest of the line is parsed as a string
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*/
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yy_push_state(WANT_STRING);
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yy_push_state(EAT_WHITESPACE);
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yy_push_state(FOR_WINDOW_COND);
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return TOK_FOR_WINDOW;
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}
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default { /* yylval.number = MODE_DEFAULT; */return TOK_DEFAULT; }
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stacking { /* yylval.number = MODE_STACK; */return TOK_STACKING; }
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stacked { return TOK_STACKING; }
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tabbed { /* yylval.number = MODE_TABBED; */return TOK_TABBED; }
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stack-limit { return TOKSTACKLIMIT; }
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cols { /* yylval.number = STACK_LIMIT_COLS; */return TOKSTACKLIMIT; }
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rows { /* yylval.number = STACK_LIMIT_ROWS; */return TOKSTACKLIMIT; }
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exec { WS_STRING; return TOKEXEC; }
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client.background { BEGIN(COLOR_COND); yylval.single_color = &config.client.background; return TOKSINGLECOLOR; }
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client.focused { BEGIN(COLOR_COND); yylval.color = &config.client.focused; return TOKCOLOR; }
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client.focused_inactive { BEGIN(COLOR_COND); yylval.color = &config.client.focused_inactive; return TOKCOLOR; }
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client.unfocused { BEGIN(COLOR_COND); yylval.color = &config.client.unfocused; return TOKCOLOR; }
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client.urgent { BEGIN(COLOR_COND); yylval.color = &config.client.urgent; return TOKCOLOR; }
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bar.focused { BEGIN(COLOR_COND); yylval.color = &config.bar.focused; return TOKCOLOR; }
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bar.unfocused { BEGIN(COLOR_COND); yylval.color = &config.bar.unfocused; return TOKCOLOR; }
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bar.urgent { BEGIN(COLOR_COND); yylval.color = &config.bar.urgent; return TOKCOLOR; }
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Mod1 { yylval.number = BIND_MOD1; return MODIFIER; }
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Mod2 { yylval.number = BIND_MOD2; return MODIFIER; }
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Mod3 { yylval.number = BIND_MOD3; return MODIFIER; }
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Mod4 { yylval.number = BIND_MOD4; return MODIFIER; }
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Mod5 { yylval.number = BIND_MOD5; return MODIFIER; }
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Mode_switch { yylval.number = BIND_MODE_SWITCH; return MODIFIER; }
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control { return TOKCONTROL; }
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ctrl { return TOKCONTROL; }
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shift { return TOKSHIFT; }
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class { yy_push_state(WANT_QSTRING); return TOK_CLASS; }
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id { yy_push_state(WANT_QSTRING); return TOK_ID; }
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con_id { yy_push_state(WANT_QSTRING); return TOK_CON_ID; }
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con_mark { yy_push_state(WANT_QSTRING); return TOK_MARK; }
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title { yy_push_state(WANT_QSTRING); return TOK_TITLE; }
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{EOL} {
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FREE(context->line_copy);
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context->line_number++;
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BEGIN(INITIAL);
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yy_push_state(BUFFER_LINE);
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}
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<BINDSYM_COND>[ \t]+ { BEGIN(WANT_STRING); }
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<OUTPUT_COND>[ \t]+ { BEGIN(WANT_STRING); }
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[ \t]+ { /* ignore whitespace */ ; }
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\"[^\"]+\" {
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/* if ASSIGN_COND then */
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if (yy_start_stack_ptr > 0)
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yy_pop_state();
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else BEGIN(INITIAL);
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/* yylval will be the string, but without quotes */
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char *copy = sstrdup(yytext+1);
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copy[strlen(copy)-1] = '\0';
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yylval.string = copy;
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return QUOTEDSTRING;
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}
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<ASSIGN_COND>[^ \t\"]+ { BEGIN(ASSIGN_TARGET_COND); yylval.string = sstrdup(yytext); return STR_NG; }
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<BINDSYM_COND>[a-zA-Z0-9_]+ { yylval.string = sstrdup(yytext); return WORD; }
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[a-zA-Z]+ { yylval.string = sstrdup(yytext); return WORD; }
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. { return (int)yytext[0]; }
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<<EOF>> {
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while (yy_start_stack_ptr > 0)
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yy_pop_state();
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yyterminate();
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}
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%%
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