Add support for diagnostics

src/Diagnostics/Diagnostic.hpp

@@ -0,0 +1,22 @@
+
+#ifndef PORYGONLANG_DIAGNOSTIC_HPP
+#define PORYGONLANG_DIAGNOSTIC_HPP
+
+#include "DiagnosticSeverity.hpp"
+#include "DiagnosticCode.hpp"
+
+class Diagnostic{
+    DiagnosticSeverity _severity;
+    DiagnosticCode _code;
+    unsigned int _start;
+    unsigned int _length;
+public:
+    Diagnostic(DiagnosticSeverity severity, DiagnosticCode code, unsigned int start, unsigned int length){
+        _severity = severity;
+        _code = code;
+        _start = start;
+        _length = length;
+    }
+};
+
+#endif //PORYGONLANG_DIAGNOSTIC_HPP

src/Diagnostics/DiagnosticCode.hpp

@@ -0,0 +1,9 @@
+
+#ifndef PORYGONLANG_DIAGNOSTICCODE_HPP
+#define PORYGONLANG_DIAGNOSTICCODE_HPP
+
+enum class DiagnosticCode{
+    UnexpectedCharacter,
+};
+
+#endif //PORYGONLANG_DIAGNOSTICCODE_HPP

src/Diagnostics/DiagnosticSeverity.hpp

@@ -0,0 +1,11 @@
+
+#ifndef PORYGONLANG_DIAGNOSTICSEVERITY_HPP
+#define PORYGONLANG_DIAGNOSTICSEVERITY_HPP
+
+enum class DiagnosticSeverity{
+    Info,
+    Warning,
+    Error,
+};
+
+#endif //PORYGONLANG_DIAGNOSTICSEVERITY_HPP

src/Diagnostics/Diagnostics.hpp

@@ -0,0 +1,44 @@
+
+#ifndef PORYGONLANG_DIAGNOSTICS_HPP
+#define PORYGONLANG_DIAGNOSTICS_HPP
+
+#include <vector>
+#include "DiagnosticSeverity.hpp"
+#include "DiagnosticCode.hpp"
+#include "Diagnostic.hpp"
+
+using namespace std;
+
+class Diagnostics {
+    bool _hasErrors;
+    vector<Diagnostic> _diagnostics;
+public:
+    Diagnostics(){
+        _hasErrors = false;
+    }
+
+    void Log(DiagnosticSeverity severity, DiagnosticCode code, unsigned int start, unsigned int length){
+        _diagnostics.emplace_back(severity, code, start, length);
+        if (severity >= DiagnosticSeverity::Error){
+            _hasErrors = true;
+        }
+    }
+    void LogError(DiagnosticCode code, unsigned int start, unsigned int length){
+        Log(DiagnosticSeverity::Error, code, start, length);
+    }
+
+    void LogWarning(DiagnosticCode code, unsigned int start, unsigned int length){
+        Log(DiagnosticSeverity::Warning, code, start, length);
+    }
+
+    void LogInfo(DiagnosticCode code, unsigned int start, unsigned int length){
+        Log(DiagnosticSeverity::Info, code, start, length);
+    }
+
+    bool HasErrors(){
+        return _hasErrors;
+    }
+};
+
+
+#endif //PORYGONLANG_DIAGNOSTICS_HPP