ダイレクトモードを実装

SMILEBASIC/VM.d

@@ -27,6 +27,8 @@ class VMSlot
 {
     bool isUsed;
     DataTable globalDataTable;
+    //2MBらしい
+    //Code code[2 * 1024 * 1024 / Code.sizeof];
     Code[] code;
     SourceLocation[] location;
     Value[] global;
@@ -34,6 +36,7 @@ class VMSlot
     Function[wstring] functions;
     int[wstring] globalLabel;
     DebugInfo debugInfo;
+    Value[wstring] directModeVariable;
 }
 class VM
 {
@@ -57,11 +60,22 @@ class VM
     {
         currentSlot = slots[slot];
     }
-    void directSlot(Code[] code, int len, VMVariable[wstring] globalTable, Function[wstring] functions, DataTable gdt/*GNU Debugging Tools*/,
+    void directSlot(int start, Code[] code, int len, VMVariable[wstring] globalTable, Function[wstring] functions, DataTable gdt/*GNU Debugging Tools*/,
                     int[wstring] globalLabel, DebugInfo dinfo)
     {
-        this.pc = currentSlot.code.length;
+        this.pc = start;
-        this.currentSlot.code ~= code;
+        auto c = this.currentSlot;
+        c.globalTable = globalTable;
+        c.code = code;
+        sizediff_t oldlen = c.global.length;
+        sizediff_t addedvarcount = len - oldlen;
+        for(sizediff_t i = 0; i < addedvarcount; i++)
+            c.global ~= Value(ValueType.Void);
+        foreach(wstring k, VMVariable v ; globalTable)
+        {
+            if(v.index >= 0 && v.index >= oldlen)
+                c.global[v.index] = Value(v.type);
+        }
     }
     void loadSlot(int slot, Code[] code, int len, VMVariable[wstring] globalTable, Function[wstring] functions, DataTable gdt/*GNU Debugging Tools*/,
          int[wstring] globalLabel, DebugInfo dinfo)

SMILEBASIC/compiler.d

@@ -690,6 +690,10 @@ class Compiler
     }
     void compileDefineFunction(DefineFunction node)
     {
+        if(isDirectMode)
+        {
+            throw new CantUseFromDirectMode();
+        }
         auto skip = genCodeGoto();
         Function func = new Function(cast(int)this.code.length, node.name, node.returnExpr, cast(int)node.arguments.length);
         Scope sc = new Scope(func);
@@ -1054,8 +1058,12 @@ class Compiler
     void compileDirectMode(VM vm)
     {
         isDirectMode = true;
+        global = vm.currentSlot.globalTable;
+        auto start = vm.currentSlot.code.length;
+        this.code = vm.currentSlot.code;
+        globalIndex = vm.currentSlot.global.length;
         compileProgram();
-        vm.directSlot(code, globalIndex + 1, global, functions, globalScope.data, globalLabel, debugInfo);
+        vm.directSlot(start, code, globalIndex + 1, global, functions, globalScope.data, globalLabel, debugInfo);
     }
     VM compile()
     {

SMILEBASIC/error.d

@@ -104,4 +104,14 @@ class SubscriptOutOfRange : SmileBasicError
         super("Subscript out of range");
     }
 }
+class CantUseFromDirectMode : SmileBasicError
+{
+    this()
+    {
+        this.errnum = 43;
+        this.errprg = 0;//always 0
+        this.errline = 0;
+        super("Can't use from direct mode");
+    }
+}
 

SMILEBASIC/petitcomputer.d

@@ -1185,8 +1185,43 @@ class PetitComputer
                 }
                 auto prg = input("", true);
                 parser = new Parser(prg);
+                try
+                {
                     auto cc = parser.compiler;
                     cc.compileDirectMode(vm);
+                }
+                catch(SmileBasicError sbe)
+                {
+                    try
+                    {
+                        printConsole(sbe.getErrorMessage, "\n");
+                        printConsole(sbe.getErrorMessage2, "\n");
+                        //printConsole(sbe.to!string);
+                        writeln(sbe.to!string);
+                        writeln(sbe.getErrorMessage2);
+                        auto loc = vm.currentLocation;
+                        printConsole(loc.line, ":", loc.pos, ":", parser.getLine(loc));
+                    }
+                    catch(Throwable t)
+                    {
+                        writeln(t);
+                    }
+                    continue;
+                }
+                catch(Throwable t)
+                {
+                    try
+                    {
+                        printConsole(t.to!string);
+                        writeln(t);
+                        printConsole(parser.getLine(vm.currentLocation));
+                    }
+                    catch(Throwable t)
+                    {
+                        writeln(t);
+                    }
+                    continue;
+                }
                 vm.dump();
                 running = true;
             }