ragel-6.9ragel-6.9

1 files changed, 61 insertions, 0 deletions

diff --git a/test/cond6.rl b/test/cond6.rl
new file mode 100644
index 0000000..ede9ed8
--- /dev/null
+++ b/test/cond6.rl
@@ -0,0 +1,61 @@
+/* 
+ * @LANG: c++
+ */
+
+/* Balanced parenthesis with conditions. */
+
+#include <iostream>
+#include <string.h>
+using std::cout;
+using std::endl;
+
+%%{
+	machine cond;
+	write data noerror;
+}%%
+
+void test( const char *str )
+{
+	int cs = cond_start, n = 0;
+	const char *p = str;
+	const char *pe = str + strlen( str );
+
+	%%{
+		comment = '(' @{n=0;} 
+			( '('@{n++;} | ')'@{n--;} | [^()] )*
+		:> ')' when{!n};
+
+		main := ' '* comment ' '* '\n' @{cout << "success";};
+
+		write exec;
+	}%%
+	if ( cs < cond_first_final )
+		cout << "failure";
+	cout << endl;
+}
+
+int main()
+{
+	test( "( ( )\n" );
+	test( "()()\n" );
+	test( "(((\n" );
+	test( "((()\n" );
+	test( "((())\n" );
+	test( "()\n" );
+	test( "((()))\n" );
+	test( "(()())\n" );
+	test( "((())()(((()))))\n" );
+	return 0;
+}
+
+#ifdef _____OUTPUT_____
+failure
+failure
+failure
+failure
+failure
+success
+success
+success
+success
+#endif