Add first version of lexer/parser to git, update Makefile

src/cfgparse.l

@@ -0,0 +1,59 @@
+%{
+#include <stdio.h>
+#include "cfgparse.tab.h"
+#include <xcb/xcb.h>
+
+enum {
+        BIND_NONE = 0,
+        BIND_SHIFT = XCB_MOD_MASK_SHIFT,        /* (1 << 0) */
+        BIND_CONTROL = XCB_MOD_MASK_CONTROL,    /* (1 << 2) */
+        BIND_MOD1 = XCB_MOD_MASK_1,             /* (1 << 3) */
+        BIND_MOD2 = XCB_MOD_MASK_2,             /* (1 << 4) */
+        BIND_MOD3 = XCB_MOD_MASK_3,             /* (1 << 5) */
+        BIND_MOD4 = XCB_MOD_MASK_4,             /* (1 << 6) */
+        BIND_MOD5 = XCB_MOD_MASK_5,             /* (1 << 7) */
+        BIND_MODE_SWITCH = (1 << 8)
+};
+
+%}
+
+%Start BIND_COND BIND_AWS_COND BIND_A2WS_COND ASSIGN_COND
+
+%%
+[0-9]+                  yylval.number = atoi(yytext); return NUMBER;
+[0-9a-fA-F]+		{ yylval.string = strdup(yytext); return HEX; }
+bind                    { BEGIN(BIND_COND); return TOKBIND; }
+bindsym                 { BEGIN(BIND_COND); return TOKBINDSYM; }
+floating_modifier	return TOKFLOATING_MODIFIER;
+workspace		return TOKWORKSPACE;
+screen			return TOKSCREEN;
+assign			{ BEGIN(ASSIGN_COND); return TOKASSIGN; }
+set			{ BEGIN(BIND_COND); return TOKSET; }
+ipc-socket		{ BEGIN(BIND_AWS_COND); return TOKIPCSOCKET; }
+exec			{ BEGIN(BIND_AWS_COND); return TOKEXEC; }
+client.focused		{ /* TODO: lval pointer */ return TOKCOLOR; }
+Mod1			yylval.number = BIND_MOD1; return MODIFIER;
+Mod2			yylval.number = BIND_MOD2; return MODIFIER;
+Mod3			yylval.number = BIND_MOD3; return MODIFIER;
+Mod4			yylval.number = BIND_MOD4; return MODIFIER;
+Mod5			yylval.number = BIND_MOD5; return MODIFIER;
+control			return TOKCONTROL;
+shift			return TOKSHIFT;
+→			return TOKARROW;
+\n                      /* ignore end of line */;
+<BIND_COND>[ \t]+       { BEGIN(BIND_AWS_COND); return WHITESPACE; }
+<BIND_AWS_COND>[ \t]+   { BEGIN(BIND_A2WS_COND); return WHITESPACE; }
+[ \t]+                  return WHITESPACE;
+<BIND_A2WS_COND>[^\n]+	{ BEGIN(INITIAL); yylval.string = strdup(yytext); return STRING; }
+<ASSIGN_COND>[^ \t]+	{ BEGIN(INITIAL); yylval.string = strdup(yytext); return STRING_NG; }
+[a-zA-Z]+		yylval.string = strdup(yytext); return WORD;
+[a-zA-Z0-9_-]+		yylval.string = strdup(yytext); return VARNAME;
+\"[^\"]+\"		{
+				/* yylval will be the string, but without quotes */
+				char *copy = strdup(yytext+1);
+				copy[strlen(copy)-1] = '\0';
+				yylval.string = copy;
+				return QUOTEDSTRING;
+			}
+.               return (int) yytext[0];
+%%