Add better error message

2026-09-30 08:44:14 +00:00 · 2025-12-16 03:11:52 -06:00
parent bbf122a7eb
commit deb492b8c4
18 changed files with 300 additions and 20 deletions
@@ -0,0 +1,107 @@
+#include "CrossLang.hpp"
+
+namespace Tesses::CrossLang {
+    TObject TCallable::CallWithFatalError(GCList& ls, std::vector<TObject> args)
+    {
+        try {
+            return Call(ls,args);
+        } 
+        catch(VMByteCodeException& ex)
+        {
+            ThrowFatalError(ex);
+        }
+        catch(VMException& ex)
+        {
+            ThrowFatalError(ex);
+        }
+        catch(SyntaxException& ex)
+        {
+            ThrowFatalError(ex);
+        }
+        catch(std::runtime_error& ex)
+        {
+            ThrowFatalError(ex);
+        }
+        catch(std::exception& ex)
+        {
+            ThrowFatalError(ex);
+        }
+        return (int64_t)1;
+    }
+    void ThrowFatalError(std::exception& ex)
+    {
+        using namespace Tesses::Framework::TextStreams;
+        std::exception* ex2 = &ex;
+        auto clexcept = dynamic_cast<VMByteCodeException*>(ex2);
+        auto clrtexcept = dynamic_cast<VMException*>(ex2);
+        auto compiler = dynamic_cast<SyntaxException*>(ex2);
+        Tesses::Framework::TextStreams::ConsoleWriter error(true);
+            
+        if(clexcept != nullptr)
+        {
+            error.WriteLine("CrossLang has encountered a fatal exception");
+            error.WriteLine();
+            
+            error.WriteLine(ToString(clexcept->GetGCList()->GetGC(),clexcept->exception));
+            error.WriteLine();
+            error.WriteLine("STACKTRACE:");
+            
+            for(auto ittr = clexcept->stack_trace.crbegin(); ittr != clexcept->stack_trace.crend(); ittr++)
+            {
+                auto item = *ittr;
+                std::string text = "\t";
+                text += item->callable->closure->name.value_or((std::string)"<Closure>");
+                text += "(";
+                bool first=true;
+                for(auto& arg : item->callable->closure->args)
+                {
+                    if(!first) text += ", ";
+                    text += arg;
+                    first=false;
+                }
+                text += ")";
+                if(item->srcline >= 1)
+                {
+                    text += " at ";
+                    text += item->srcfile;
+                    text += ":";
+                    text += std::to_string(item->srcline);
+                }
+                error.WriteLine(text);
+            }
+
+            exit(1);
+        }
+        if(clrtexcept != nullptr)
+        {
+            error.WriteLine("CrossLang has encountered a fatal runtime exception");
+            error.WriteLine();
+            error.WriteLine(clrtexcept->what());
+            exit(1);
+        }
+        if(compiler != nullptr)
+        {
+            error.WriteLine("CrossLang has encountered a compiler error");
+            error.WriteLine();
+            error.WriteLine(compiler->Message());
+            error.WriteLine();
+            auto li = compiler->LineInfo();
+            error.Write("in file: ");
+            error.Write(li.filename);
+            error.Write(":");
+            error.Write((int64_t)li.line);
+            error.Write(":");
+            error.Write((int64_t)li.column);
+            error.Write(":");
+            error.WriteLine((int64_t)li.offset);
+
+            exit(1);
+        }
+        
+        error.WriteLine("CrossLang has encountered a fatal C++ exception");
+        error.WriteLine();
+        error.Write("what(): ");
+        error.WriteLine(ex2->what());
+        exit(1);
+    }
+}