159 lines
5.6 KiB
Plaintext
159 lines
5.6 KiB
Plaintext
/*
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* vim:ts=4:sw=4:expandtab
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*
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* i3 - an improved dynamic tiling window manager
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* © 2009-2011 Michael Stapelberg and contributors (see also: LICENSE)
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*
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* cmdparse.l: the lexer for commands you send to i3 (or bind on keys)
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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 "cmdparse.tab.h"
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#include "config.h"
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#include "util.h"
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int cmdyycolumn = 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 = cmdyycolumn; \
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context->last_column = cmdyycolumn+yyleng-1; \
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cmdyycolumn += 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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/* handle everything up to \n as a string */
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%s WANT_STRING
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/* eat a whitespace, then go to the next state on the stack */
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%s EAT_WHITESPACE
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/* handle a quoted string or everything up to the next whitespace */
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%s WANT_QSTRING
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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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cmdyycolumn = 1;
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}
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<WANT_STRING>\"[^\"]+\" {
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BEGIN(INITIAL);
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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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cmdyylval.string = copy;
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return STR;
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}
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<WANT_QSTRING>\"[^\"]+\" {
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BEGIN(INITIAL);
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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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cmdyylval.string = copy;
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return STR;
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}
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<WANT_STRING>[^;\n]+ { BEGIN(INITIAL); cmdyylval.string = sstrdup(yytext); return STR; }
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<EAT_WHITESPACE>[;\n] { BEGIN(INITIAL); return ';'; }
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<EAT_WHITESPACE>[ \t]* { yy_pop_state(); }
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[ \t]* { /* ignore whitespace */ ; }
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exec { WS_STRING; return TOK_EXEC; }
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exit { return TOK_EXIT; }
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reload { return TOK_RELOAD; }
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restart { return TOK_RESTART; }
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kill { return TOK_KILL; }
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window { return TOK_WINDOW; }
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client { return TOK_CLIENT; }
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fullscreen { return TOK_FULLSCREEN; }
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global { return TOK_GLOBAL; }
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layout { return TOK_LAYOUT; }
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default { return TOK_DEFAULT; }
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stacked { return TOK_STACKED; }
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stacking { return TOK_STACKED; }
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tabbed { return TOK_TABBED; }
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border { return TOK_BORDER; }
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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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mode { return TOK_MODE; }
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tiling { return TOK_TILING; }
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floating { return TOK_FLOATING; }
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toggle { return TOK_TOGGLE; }
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workspace { WS_STRING; return TOK_WORKSPACE; }
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focus { return TOK_FOCUS; }
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move { return TOK_MOVE; }
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open { return TOK_OPEN; }
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prev { return TOK_PREV; }
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split { return TOK_SPLIT; }
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horizontal { return TOK_HORIZONTAL; }
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vertical { return TOK_VERTICAL; }
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level { return TOK_LEVEL; }
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up { return TOK_UP; }
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down { return TOK_DOWN; }
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left { return TOK_LEFT; }
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right { return TOK_RIGHT; }
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resize { return TOK_RESIZE; }
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shrink { return TOK_SHRINK; }
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grow { return TOK_GROW; }
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px { return TOK_PX; }
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or { return TOK_OR; }
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ppt { return TOK_PPT; }
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nop { WS_STRING; return TOK_NOP; }
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restore { WS_STRING; return TOK_RESTORE; }
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mark { WS_STRING; return TOK_MARK; }
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class { BEGIN(WANT_QSTRING); return TOK_CLASS; }
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id { BEGIN(WANT_QSTRING); return TOK_ID; }
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con_id { BEGIN(WANT_QSTRING); return TOK_CON_ID; }
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con_mark { BEGIN(WANT_QSTRING); return TOK_MARK; }
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title { BEGIN(WANT_QSTRING); return TOK_TITLE; }
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[0-9]+ { cmdyylval.number = atoi(yytext); return NUMBER; }
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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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