Added testing! call kraken like so ./kraken --test ../path/to/test/name_of_test_without_extention This will make kraken compile and run name_of_test_without_extention.krak and compare the output it generates on stdout to name_of_test_without_extention.expected_results. If they pass, then it records the pass, if not, it records the failure and saves the intermediate files generated. It has revealed some bugs which I will fix in upcoming commits.

src/Tester.cpp

@@ -0,0 +1,69 @@
+#include "Tester.h"
+
+Tester::Tester(std::string krakenInvocation, std::string krakenGrammerLocation) : krakenInvocation(krakenInvocation), krakenGrammerLocation(krakenGrammerLocation) {
+	//initlization list
+	removeCmd = "rm";
+	resultsExtention = ".results";
+	expectedExtention = ".expected_results";
+	krakenExtention = ".krak";
+	changePermissions = "chmod 755";
+	shell = "sh";
+	redirect = ">";
+}
+
+Tester::~Tester() {
+	//Nothing
+}
+
+int Tester::ssystem(std::string command) {
+	return system(command.c_str());
+}
+
+void Tester::cleanExtras(std::string fileName) {
+	ssystem(removeCmd + " " + fileName);
+	ssystem(removeCmd + " " + fileName + krakenExtention + "out*");
+	ssystem(removeCmd + " " + fileName + krakenExtention + ".c");
+	ssystem(removeCmd + " " + fileName + ".sh");
+	ssystem(removeCmd + " " + fileName + resultsExtention);
+}
+
+bool Tester::run(std::string fileName) {
+	std::cout << "Testing: " << fileName << " with " << krakenInvocation << " and " << krakenGrammerLocation << std::endl;
+	
+	cleanExtras(fileName);
+	
+	ssystem(changePermissions + " " + fileName);
+	ssystem(krakenInvocation + " " + fileName + krakenExtention + " " + krakenGrammerLocation + " " + fileName);
+	ssystem(shell + " " + fileName + ".sh");
+	ssystem(fileName + " " + redirect + " " + fileName + resultsExtention);
+
+	bool result = compareFiles(fileName + expectedExtention, fileName + resultsExtention);
+	
+	//If the test was succesful, we don't need all the extra files
+	if (result)
+		cleanExtras(fileName);
+
+	return result;
+}
+
+bool Tester::compareFiles(std::string file1Path, std::string file2Path) {
+	std::ifstream file1, file2;
+	file1.open(file1Path);
+	if (!file1.is_open()) {
+		std::cout << file1Path << " could not be opened!" << std::endl;
+		return false;
+	}
+	file2.open(file2Path);
+	if (!file2.is_open()) {
+		std::cout << file2Path << " could not be opened!" << std::endl;
+		return false;
+	}
+
+	std::string file1contents = readFile(file1);
+	std::string file2contents = readFile(file2);
+
+	// std::cout << "file1: " << file1contents << std::endl;
+	// std::cout << "file2: " << file2contents << std::endl;
+	// std::cout << "comp: " << file1contents.compare(file2contents) << std::endl;
+	return file1contents.compare(file2contents) == 0;
+}

src/util.cpp

@@ -71,4 +71,13 @@ std::string join(const std::vector<std::string> &strVec, std::string joinStr) {
     return joinedStr;
 }
 
+std::string readFile(std::istream &file) {
+    std::string line, contents;
+    while(file.good()) {
+        getline(file, line);
+        contents.append(line+"\n");
+    }
+    return contents;
+}
+