[DO-973] harfbuzz package (!10)

Co-authored-by: aleksandr.vodyanov <aleksandr.vodyanov@avroid.tech>
Reviewed-on: https://git.avroid.tech/Conan/conan_build/pulls/10

recipes/flex/all/test_package/basic_nr.l

@@ -0,0 +1,89 @@
+/*
+ * This file is part of flex.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE.
+ */
+
+%option C++ noyywrap
+
+%{
+int mylineno = 0;
+%}
+
+string	\"[^\n"]+\"
+
+ws	[ \t]+
+
+alpha	[A-Za-z]
+dig	[0-9]
+name	({alpha}|{dig}|\$)({alpha}|{dig}|\_|\.|\-|\/|\$)*
+num1	[-+]?{dig}+\.?([eE][-+]?{dig}+)?
+num2	[-+]?{dig}*\.{dig}+([eE][-+]?{dig}+)?
+number	{num1}|{num2}
+
+%%
+
+{ws}	/* skip blanks and tabs */
+
+"/*"		{
+		int c;
+
+		while((c = yyinput()) != 0)
+			{
+			if(c == '\n')
+				++mylineno;
+
+			else if(c == '*')
+				{
+				if((c = yyinput()) == '/')
+					break;
+				else
+					unput(c);
+				}
+			}
+		}
+
+{number}	std::cout << "number " << YYText() << '\n';
+
+\n		mylineno++;
+
+{name}		std::cout << "name " << YYText() << '\n';
+
+{string}	std::cout << "string " << YYText() << '\n';
+
+%%
+
+extern "C" {
+    int yylex() {return 0;}
+}
+
+#include <fstream>
+
+int main( int argc, const char *argv[]) {
+    if (argc < 2) {
+        fprintf(stderr, "Need an argument\n");
+        return 1;
+    }
+    std::ifstream ifs(argv[1]);
+	FlexLexer *lexer = new yyFlexLexer(ifs, std::cout);
+	while(lexer->yylex() != 0)
+		;
+	return 0;
+}