1 files changed, 120 insertions, 0 deletions
diff --git a/examples/atoi.cpp b/examples/atoi.cpp
new file mode 100644
index 0000000..45677f3
--- /dev/null
+++ b/examples/atoi.cpp
@@ -0,0 +1,120 @@
+
+#line 1 "atoi.rl"
+/*
+ * Convert a string to an integer.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+
+
+#line 13 "atoi.cpp"
+static const int atoi_start = 1;
+static const int atoi_first_final = 4;
+static const int atoi_error = 0;
+
+static const int atoi_en_main = 1;
+
+
+#line 12 "atoi.rl"
+
+
+long long atoi( char *str )
+{
+	char *p = str, *pe = str + strlen( str );
+	int cs;
+	long long val = 0;
+	bool neg = false;
+
+	
+#line 32 "atoi.cpp"
+	{
+	cs = atoi_start;
+	}
+
+#line 37 "atoi.cpp"
+	{
+	if ( p == pe )
+		goto _test_eof;
+	switch ( cs )
+	{
+case 1:
+	switch( (*p) ) {
+		case 43: goto st2;
+		case 45: goto tr2;
+	}
+	if ( 48 <= (*p) && (*p) <= 57 )
+		goto tr3;
+	goto st0;
+st0:
+cs = 0;
+	goto _out;
+tr2:
+#line 22 "atoi.rl"
+	{
+			neg = true;
+		}
+	goto st2;
+st2:
+	if ( ++p == pe )
+		goto _test_eof2;
+case 2:
+#line 64 "atoi.cpp"
+	if ( 48 <= (*p) && (*p) <= 57 )
+		goto tr3;
+	goto st0;
+tr3:
+#line 26 "atoi.rl"
+	{ 
+			val = val * 10 + ((*p) - '0');
+		}
+	goto st3;
+st3:
+	if ( ++p == pe )
+		goto _test_eof3;
+case 3:
+#line 78 "atoi.cpp"
+	if ( (*p) == 10 )
+		goto st4;
+	if ( 48 <= (*p) && (*p) <= 57 )
+		goto tr3;
+	goto st0;
+st4:
+	if ( ++p == pe )
+		goto _test_eof4;
+case 4:
+	goto st0;
+	}
+	_test_eof2: cs = 2; goto _test_eof; 
+	_test_eof3: cs = 3; goto _test_eof; 
+	_test_eof4: cs = 4; goto _test_eof; 
+
+	_test_eof: {}
+	_out: {}
+	}
+
+#line 37 "atoi.rl"
+
+
+	if ( neg )
+		val = -1 * val;
+
+	if ( cs < atoi_first_final )
+		fprintf( stderr, "atoi: there was an error\n" );
+
+	return val;
+};
+
+
+#define BUFSIZE 1024
+
+int main()
+{
+	char buf[BUFSIZE];
+	while ( fgets( buf, sizeof(buf), stdin ) != 0 ) {
+		long long value = atoi( buf );
+		printf( "%lld\n", value );
+	}
+	return 0;
+}