aboutsummaryrefslogtreecommitdiff
path: root/nx-X11/programs/Xserver/hw/dmx/config/scanner.l
diff options
context:
space:
mode:
authorReinhard Tartler <siretart@tauware.de>2011-10-10 17:43:39 +0200
committerReinhard Tartler <siretart@tauware.de>2011-10-10 17:43:39 +0200
commitf4092abdf94af6a99aff944d6264bc1284e8bdd4 (patch)
tree2ac1c9cc16ceb93edb2c4382c088dac5aeafdf0f /nx-X11/programs/Xserver/hw/dmx/config/scanner.l
parenta840692edc9c6d19cd7c057f68e39c7d95eb767d (diff)
downloadnx-libs-f4092abdf94af6a99aff944d6264bc1284e8bdd4.tar.gz
nx-libs-f4092abdf94af6a99aff944d6264bc1284e8bdd4.tar.bz2
nx-libs-f4092abdf94af6a99aff944d6264bc1284e8bdd4.zip
Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1
Summary: Imported nx-X11-3.1.0-1.tar.gz Keywords: Imported nx-X11-3.1.0-1.tar.gz into Git repository
Diffstat (limited to 'nx-X11/programs/Xserver/hw/dmx/config/scanner.l')
-rw-r--r--nx-X11/programs/Xserver/hw/dmx/config/scanner.l183
1 files changed, 183 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/hw/dmx/config/scanner.l b/nx-X11/programs/Xserver/hw/dmx/config/scanner.l
new file mode 100644
index 000000000..ec450243a
--- /dev/null
+++ b/nx-X11/programs/Xserver/hw/dmx/config/scanner.l
@@ -0,0 +1,183 @@
+/* $XFree86$ */
+/*
+ * Copyright 2002 Red Hat Inc., Durham, North Carolina.
+ *
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation on the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial
+ * portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+/*
+ * Authors:
+ * Rickard E. (Rik) Faith <faith@redhat.com>
+ *
+ */
+
+%{
+#ifdef HAVE_DMX_CONFIG_H
+#include <dmx-config.h>
+#endif
+
+#include "dmxparse.h"
+#include "parser.h"
+#include <string.h>
+#include <ctype.h>
+static int getdimension(int token, const char *text, int leng);
+static int getstring(int token, const char *text, int leng);
+static int gettoken(int token, const char *text, int leng);
+static int getcomment(int token, const char *text, int leng);
+static int lineno = 1;
+%}
+%s OTHER
+comment #.*
+word ([[:alpha:]_/:\-\+\.\*][[:alnum:]_/:\-\+\.\*]+)
+string \"(([^\"\n])|\"\")*\"
+badstring \"(([^\"\n])|\"\")*
+number [[:digit:]x]+
+dimension [[:digit:]]+[[:blank:]]*x[[:blank:]]*[[:digit:]]+
+offset [+-][[:digit:]]+[[:blank:]]*[+-][[:blank:]]*[[:digit:]]+
+origin @[[:blank:]]*[[:digit:]]+[[:blank:]]*[[:blank:]]*x[[:digit:]]+
+NL \n
+WS [[:blank:]]+
+%%
+virtual return gettoken(T_VIRTUAL, yytext, yyleng);
+display return gettoken(T_DISPLAY, yytext, yyleng);
+wall return gettoken(T_WALL, yytext, yyleng);
+option return gettoken(T_OPTION, yytext, yyleng);
+param return gettoken(T_PARAM, yytext, yyleng);
+{dimension} return getdimension(T_DIMENSION, yytext, yyleng);
+{offset} return getdimension(T_OFFSET, yytext+1, yyleng-1);
+{origin} return getdimension(T_ORIGIN, yytext+1, yyleng-1);
+{word} return getstring(T_STRING, yytext, yyleng);
+{string} return getstring(T_STRING, yytext+1, yyleng-2);
+{NL} ++lineno;
+{WS}
+\{ return gettoken(yytext[0], yytext, yyleng);
+\} return gettoken(yytext[0], yytext, yyleng);
+\; return gettoken(yytext[0], yytext, yyleng);
+\/ return gettoken(yytext[0], yytext, yyleng);
+^{comment} return getcomment(T_LINE_COMMENT, yytext, yyleng);
+{comment} return getcomment(T_COMMENT, yytext, yyleng);
+. return getstring(T_STRING, yytext, yyleng);
+<<EOF>> return 0;
+%%
+int yywrap(void)
+{
+ return 1;
+}
+
+void yyerror(const char *message)
+{
+ const char *pt, *end;
+ struct _entry {
+ const char *from;
+ const char *to;
+ } *entry, list[] = {
+ { "T_VIRTUAL", "\"virtual\"" },
+ { "T_DISPLAY", "\"display\"" },
+ { "T_WALL", "\"wall\"" },
+ { "T_OPTION", "\"option\"" },
+ { "T_PARAM", "\"param\"" },
+ { "T_DIMENSION", "dimension (e.g., 2x2 or 1024x768)" },
+ { "T_OFFSET", "display offset (e.g., +10-10)" },
+ { "T_ORIGIN", "tile origin (e.g., @1280x1024)" },
+ { "T_STRING", "string" },
+ { "T_COMMENT", "comment (e.g., #...)" },
+ { "T_LINE_COMMENT", "comment (e.g., #...)" },
+ { NULL, NULL }
+ };
+
+ fprintf(stderr, "parse error on line %d at token \"%*.*s\"\n",
+ lineno, yyleng, yyleng, yytext);
+ end = message + strlen(message);
+ for (pt = message; *pt; pt++) {
+ if (pt[0] == 'T' && pt[1] == '_') {
+ const char *next = strchr(pt, ' ');
+ if (!next || !*next) next = strchr(pt, '\0');
+ if (!next) goto bail;
+ --next;
+ if (next-pt == 1 && next[1]
+ && next[2] == '\'' && next[3] == '\'') {
+ fprintf(stderr, "\"%c\"", next[1]);
+ pt += 4;
+ goto cnt;
+ }
+ for (entry = list; entry->from; ++entry) {
+ if (!strncmp(entry->from, pt, strlen(entry->from))) {
+ fprintf(stderr, "%s", entry->to);
+ pt = next;
+ goto cnt;
+ }
+ }
+ } else if (end-pt >= 5 && pt[0] == '\'' && pt[1] == '\'' && pt[3]
+ && pt[4] == '\'' && pt[5] == '\'') {
+ fprintf(stderr, "\"%c\"", pt[3]);
+ pt += 5;
+ } else if (end-pt >= 3 && pt[0] == '\'' && pt[1] && pt[2] == '\'') {
+ fprintf(stderr, "\"%c\"", pt[1]);
+ pt += 3;
+ }
+ bail:
+ putc(*pt, stderr);
+ cnt:
+ ;
+ }
+ fprintf(stderr, "\n");
+ exit( 1 );
+}
+
+static int getdimension(int token, const char *text, int leng)
+{
+ char *endptr;
+ char *tmp = dmxConfigAlloc(leng+1);
+ int x, y;
+
+ strncpy(tmp, text, leng);
+ x = strtol(tmp, &endptr, 10);
+ while (*endptr && !isdigit(*endptr)) ++endptr;
+ y = strtol(endptr, NULL, 10);
+ dmxConfigFree(tmp);
+ yylval.pair = dmxConfigCreatePair(token, lineno, NULL, x, y, 1, 1);
+ return token;
+}
+
+static int getstring(int token, const char *text, int leng)
+{
+ yylval.string = dmxConfigCreateString(token, lineno, NULL,
+ dmxConfigCopyString(leng ? text : "",
+ leng));
+ return token;
+}
+
+static int gettoken(int token, const char *text, int leng)
+{
+ yylval.token = dmxConfigCreateToken(token, lineno, NULL);
+ return token;
+}
+
+static int getcomment(int token, const char *text, int leng)
+{
+ yylval.comment = dmxConfigCreateComment(token, lineno,
+ dmxConfigCopyString(text + 1,
+ leng - 1));
+ return token;
+}