set系の命令はスタックへの要素追加を行わないように修正

sile · Apr 22, 2012 · d904bda · d904bda
1 parent 629c8ec
commit d904bda
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Showing 3 changed files with 33 additions and 16 deletions.
diff --git a/plvm/include/psil/vm/DataStack.hh b/plvm/include/psil/vm/DataStack.hh
@@ -38,8 +38,8 @@ namespace psil {
         stack.resize(top);
       }
 
-      type::Object* local_get(unsigned index) { return stack[base+index]; }
+      type::Object* localGet(unsigned index) { return stack[base+index]; }
-      type::Object* local_set(unsigned index, type::Object* value) { return stack[base+index] = value; }
+      void localSet(unsigned index, type::Object* value) { stack[base+index] = value; }
 
       std::string show() const;
 

diff --git a/plvm/include/psil/vm/Instruction.hh b/plvm/include/psil/vm/Instruction.hh
@@ -57,9 +57,10 @@ namespace psil {
         case 201: _lambda(); break;
         case 202: _localget(); break;
         case 203: _localset(); break;
-        case 204: _reference(); break;
+        case 204: _local_mkref();  break;
-        case 205: _refget(); break;
+        case 205: _local_refget(); break;
-        case 206: _refset(); break;
+        case 206: _local_refset(); break;
+        case 207: _local_toref(); break;
 
         case 250: _print(); break;
 
@@ -121,7 +122,7 @@ namespace psil {
         push(to<Symbol>(pop())->getValue());
       }
       void _symset() {
-        push(to<Symbol>(pop())->setValue(pop()));
+        to<Symbol>(pop())->setValue(pop());
       }
       void _constget() {
         push(env.getConstantTable().get(readUint2()));
@@ -231,23 +232,29 @@ namespace psil {
       }
 
       void _localget() {
-        push(env.getDataStack().local_get(readUint1()));
+        push(env.getDataStack().localGet(readUint1()));
       }
 
       void _localset() {
-        push(env.getDataStack().local_set(readUint1(), pop()));
+        env.getDataStack().localSet(readUint1(), pop());
       }
 
-      void _reference() {
+      void _local_mkref() {
-        push(Reference::make(pop()));
+        env.getDataStack().localSet(readUint1(), Reference::make(pop()));
       }
 
-      void _refget() {
+      void _local_refget() {
-        push(to<Reference>(pop())->getValue());
+        push(to<Reference>(env.getDataStack().localGet(readUint1()))->getValue());
       }
 
-      void _refset() {
+      void _local_refset() {
-        push(to<Reference>(pop())->setValue(pop()));        
+        Reference* ref = to<Reference>(env.getDataStack().localGet(readUint1()));
+        ref->setValue(pop());
+      }
+
+      void _local_toref() {
+        Object* o = env.getDataStack().localGet(readUint1());
+        env.getDataStack().localSet(readUint1(), Reference::make(o));
       }
 
       // 
@@ -272,6 +279,11 @@ namespace psil {
 
         ds.setBase(nextBase);
         ds.reserve(lambda.getLocalVarCount());
+        /*
+        for(uint1 i=0; i < lambda.getLocalVarCount(); i++) {
+          push(Undef::make());
+        }
+        */
       }
 
       void create_tail_callframe(Lambda& lambda) {
@@ -281,6 +293,11 @@ namespace psil {
         DataStack& ds = env.getDataStack();
         ds.setBase(ds.getTop());
         ds.reserve(lambda.getLocalVarCount());
+        /*
+        for(uint1 i=0; i < lambda.getLocalVarCount(); i++) {
+          push(Undef::make());
+        }
+        */
       }
 
       opcode_t readOp() {

diff --git a/plvm/include/psil/vm/Object.hh b/plvm/include/psil/vm/Object.hh
@@ -106,7 +106,7 @@ namespace psil {
 
         const std::string& getName() const { return name; }
         Object* getValue() const { return value; }
-        Object* setValue(Object* o) { return value=o; }
+        void setValue(Object* o) { value=o; }
 
       private:
         const std::string name;
@@ -261,7 +261,7 @@ namespace psil {
         std::string show() const { return std::string("<REF ") + value->show() + ">"; }
 
         Object* getValue() const { return value; }
-        Object* setValue(Object* x) { return value=x; }
+        void setValue(Object* x) { value=x; }
 
       private:
         Object* value;