added a grammar test executable

src/Makefile

@@ -26,6 +26,10 @@ execution: $(LIB_FILES) $(EXECUTION_MAIN)
 	$(CC) $(CFLAGS) $(LIB_FILES) $(EXECUTION_MAIN) -o $(EXECUTION_BIN)
 
 
+grammar_test: $(LIB_FILES) sql_grammar_test.cpp
+	$(CC) $(CFLAGS) $(LIB_FILES) sql_grammar_test.cpp -o bin/grammar_test
+
+
 tests: $(LIB_FILES) $(TESTS_MAIN)
 	$(CC) $(CFLAGS) $(LIB_FILES) $(TESTS_MAIN) -o $(TESTS_BIN)
 

src/build_and_run_tests.sh

@@ -4,7 +4,18 @@ make clean
 # make tests
 # ./bin/tests
 
-make execution
-./bin/sql_execution "SELECT a FROM foo WHERE a > 12 OR b > 3 AND c = 3"
-./bin/sql_execution "SELECT col1, col2, 'test' FROM table, foo WHERE age > 12 AND zipcode = 12345 GROUP BY col1;"
-./bin/sql_execution "SELECT * from table WHERE (b OR NOT a) AND a = 12.5"
+# make execution
+# ./bin/sql_execution "SELECT a FROM foo WHERE a > 12 OR b > 3 AND c = 3"
+# ./bin/sql_execution "SELECT col1, col2, 'test' FROM table, foo WHERE age > 12 AND zipcode = 12345 GROUP BY col1;"
+# ./bin/sql_execution "SELECT * from table WHERE (b OR NOT a) AND a = 12.5 JOIN table2 ON a = b"
+
+make grammar_test
+
+echo "\n\n"
+
+./bin/grammar_test "SELECT a FROM foo WHERE a > 12 OR b > 3 AND c = 3 LIMIT 10"
+./bin/grammar_test "(SELECT col1, col2, 'test' FROM table, foo WHERE age > 12 AND zipcode = 12345 GROUP BY col1);"
+./bin/grammar_test "SELECT age FROM table, (SELECT * FROM table2) ORDER BY age DESC"
+./bin/grammar_test "(SELECT * from table WHERE (b OR NOT a) AND a = 12.5) JOIN table2 ON a = b"
+
+echo "\n\n"

src/sql_grammar_test.cpp

@@ -0,0 +1,37 @@
+
+#include <stdio.h>
+#include <string>
+#include <chrono>
+#include "SQLParser.h"
+
+using namespace hsql;
+
+int main(int argc, char *argv[]) {
+    if (argc <= 1) {
+        fprintf(stderr, "No SQL-Statement given!\n");
+        return -1;
+    }
+
+    for (int n = 1; n < argc; ++n) {
+        char* sql = argv[n];
+
+        // Measuring the parsing time
+        std::chrono::time_point<std::chrono::system_clock> start, end;
+        start = std::chrono::system_clock::now();
+
+        // Parsing
+        Statement* stmt = SQLParser::parseSQLString(sql);
+
+        end = std::chrono::system_clock::now();
+        std::chrono::duration<double> elapsed_seconds = end-start;
+
+        if (stmt == NULL) {
+        	fprintf(stderr, "-> Failed (%.3fms)! \"%s\"\n", elapsed_seconds.count()*1000, sql);
+        	continue;
+        } else {
+            fprintf(stderr, "Success (%.3fms)! \"%s\"\n", elapsed_seconds.count()*1000, sql);
+        }
+    }
+
+	return 0;
+}