private static void build_dot(CompileEnv env, ASTool.AS3.Expr.AS3ExprStep step, RightValueBase v1, ASBinCode.rtti.ClassMember member)
{
ASBinCode.StackSlotAccessor eax = env.createASTRegister(step.Arg1.Reg);
eax._regMember = member;
eax._regMemberSrcObj = v1;
eax.setEAXTypeWhenCompile(member.valueType);
make_dotStep(env, member, step.token, eax, v1);
//OpStep op = new OpStep(
// member.bindField is ClassMethodGetter?
// OpCode.access_method
// :
// OpCode.access_dot
// , new SourceToken(step.token.line, step.token.ptr, step.token.sourceFile));
//op.reg = eax;
//op.regType = eax.valueType;
//op.arg1 = v1;
//op.arg1Type = v1.valueType;
//op.arg2 = (IRightValue)member.bindField; //new ASBinCode.rtData.RightValue(new ASBinCode.rtData.rtInt(member.index));
//op.arg2Type = member.valueType; //RunTimeDataType.rt_int;
//env.block.opSteps.Add(op);
}
private static void build_dot_name(CompileEnv env, ASTool.AS3.Expr.AS3ExprStep step, RightValueBase v1)
{
ASBinCode.StackSlotAccessor eax = env.createASTRegister(step.Arg1.Reg);
eax.setEAXTypeWhenCompile(RunTimeDataType.rt_void);
OpStep op = new OpStep(OpCode.access_dot_byname, new SourceToken(step.token.line, step.token.ptr, step.token.sourceFile));
op.reg = eax; eax._isDotAccessTarget = true;
op.regType = eax.valueType;
op.arg1 = v1;
op.arg1Type = v1.valueType;
op.arg2 = new ASBinCode.rtData.RightValue(
new ASBinCode.rtData.rtString(step.Arg3.Data.Value.ToString()));
op.arg2Type = RunTimeDataType.rt_string;
env.block.opSteps.Add(op);
}
private void jumpTo(CompileEnv env, ASTool.AS3.AS3Try as3try, Builder builder, string label)
{
ASTool.AS3.AS3StmtExpressions jumptofinally = new ASTool.AS3.AS3StmtExpressions(as3try.Token);
jumptofinally.as3exprlist = new List <ASTool.AS3.AS3Expression>();
ASTool.AS3.AS3Expression expression = new ASTool.AS3.AS3Expression(as3try.Token);
expression.exprStepList = new ASTool.AS3.Expr.AS3ExprStepList();
ASTool.AS3.Expr.AS3ExprStep step = new ASTool.AS3.Expr.AS3ExprStep(as3try.Token);
step.Type = ASTool.AS3.Expr.OpType.GotoFlag;
step.OpCode = label;
expression.exprStepList.Add(step);
jumptofinally.as3exprlist.Add(expression);
builder.buildStmt(env, jumptofinally);
}
private void build_void(CompileEnv env, RightValueBase cls, ASTool.AS3.Expr.AS3ExprStep step, Builder builder)
{
OpStep opnewclass = new OpStep(OpCode.new_instance_class,
new SourceToken(step.token.line, step.token.ptr, step.token.sourceFile));
opnewclass.arg1 = cls;
opnewclass.arg1Type = RunTimeDataType.rt_void;
StackSlotAccessor _eax = env.createASTRegister(step.Arg1.Reg);
_eax.setEAXTypeWhenCompile(RunTimeDataType.rt_void);
opnewclass.reg = _eax;
opnewclass.regType = RunTimeDataType.rt_void;
OpStep opMakeArgs = new OpStep(OpCode.prepare_constructor_class_argement, new SourceToken(step.token.line, step.token.ptr, step.token.sourceFile));
opMakeArgs.arg1 = cls;
opMakeArgs.arg1Type = RunTimeDataType.rt_void;
env.block.opSteps.Add(opMakeArgs);
if (step.Arg3 != null)
{
List <ASTool.AS3.Expr.AS3DataStackElement> args
= (List <ASTool.AS3.Expr.AS3DataStackElement>)step.Arg3.Data.Value;
for (int i = 0; i < args.Count; i++)
{
ASTool.AS3.Expr.AS3DataStackElement argData = args[i];
RightValueBase arg = builds.ExpressionBuilder.getRightValue(env, argData, step.token, builder);
//***参数准备***
OpStep opPushArgs = new OpStep(OpCode.push_parameter_class, new SourceToken(step.token.line, step.token.ptr, step.token.sourceFile));
opPushArgs.arg1 = arg;
opPushArgs.arg1Type = arg.valueType;
opPushArgs.arg2 = new ASBinCode.rtData.RightValue(new ASBinCode.rtData.rtInt(i));
opPushArgs.arg2Type = RunTimeDataType.rt_int;
env.block.opSteps.Add(opPushArgs);
}
}
env.block.opSteps.Add(opnewclass);
}
private void build_class(CompileEnv env,
ASBinCode.rtti.Class _class,
ASTool.AS3.Expr.AS3ExprStep step, Builder builder)
{
//***参数检查***
List <ASTool.AS3.Expr.AS3DataStackElement> args;
if (!step.Arg2.IsReg && step.Arg2.Data.FF1Type == ASTool.AS3.Expr.FF1DataValueType.as3_vector)
{
ASTool.AS3.AS3Vector vector = (ASTool.AS3.AS3Vector)step.Arg2.Data.Value;
if (vector.Constructor == null)
{
args = new List <ASTool.AS3.Expr.AS3DataStackElement>();
}
else
{
if (vector.isInitData)
{
args = new List <ASTool.AS3.Expr.AS3DataStackElement>();
}
else
{
args = (List <ASTool.AS3.Expr.AS3DataStackElement>)vector.Constructor.Data.Value;
}
}
}
else
{
if (step.Arg3 != null)
{
args = (List <ASTool.AS3.Expr.AS3DataStackElement>)step.Arg3.Data.Value;
}
else
{
args = new List <ASTool.AS3.Expr.AS3DataStackElement>();
}
}
StackSlotAccessor insEax = env.createASTRegister(step.Arg1.Reg);
build_class(env, _class, step.token, builder,
insEax,
args
);
if (!step.Arg2.IsReg && step.Arg2.Data.FF1Type == ASTool.AS3.Expr.FF1DataValueType.as3_vector)
{
ASTool.AS3.AS3Vector vector = (ASTool.AS3.AS3Vector)step.Arg2.Data.Value;
if (vector.Constructor != null && vector.isInitData)
{
//***追加初始化Vector***
var initdata = (List <ASTool.AS3.Expr.AS3DataStackElement>)vector.Constructor.Data.Value;
var vt = builder.bin.dict_Vector_type[_class];
for (int i = 0; i < initdata.Count; i++)
{
var d = ExpressionBuilder.getRightValue(env, initdata[i], step.token, builder);
if (!ASRuntime.TypeConverter.testImplicitConvert(d.valueType, vt, builder))
{
throw(new BuildException(new BuildError(step.token.line, step.token.ptr, step.token.sourceFile,
"不能将[" + d.valueType + "]类型存入Vector.<" + vt + ">")));
}
if (d.valueType != vt)
{
d = ExpressionBuilder.addCastOpStep(env, d, vt,
new SourceToken(step.token.line, step.token.ptr, step.token.sourceFile)
, builder);
}
OpStep oppush = new OpStep(OpCode.vector_push, new SourceToken(step.token.line, step.token.ptr, step.token.sourceFile));
oppush.reg = null;
oppush.regType = RunTimeDataType.unknown;
oppush.arg1 = insEax;
oppush.arg1Type = insEax.valueType;
oppush.arg2 = d;
oppush.arg2Type = d.valueType;
env.block.opSteps.Add(oppush);
}
//throw new NotImplementedException();
}
}
////***查找构造函数**
//if (_class.constructor != null)
//{
// ClassMethodGetter field = (ClassMethodGetter)_class.constructor.bindField; //(Field)builder._classbuildingEnv[_class].block.scope.members[_class.constructor.index];
// int blockid = field.refdefinedinblockid;
// var signature =
// builder.dictSignatures[blockid][field];
// //***参数检查***
// List<ASTool.AS3.Expr.AS3DataStackElement> args;
// if (step.Arg3 != null)
// {
// args = (List<ASTool.AS3.Expr.AS3DataStackElement>)step.Arg3.Data.Value;
// }
// else
// {
// args = new List<ASTool.AS3.Expr.AS3DataStackElement>();
// }
// FuncCallBuilder funcbuilder = new FuncCallBuilder();
// funcbuilder.createParaOp(args, signature, step, env, field, builder, true, _class);
//}
//else
//{
// OpStep opMakeArgs = new OpStep(OpCode.prepare_constructor_argement,
// new SourceToken(step.token.line, step.token.ptr, step.token.sourceFile));
// opMakeArgs.arg1 = new ASBinCode.rtData.RightValue(new ASBinCode.rtData.rtInt(_class.classid));
// opMakeArgs.arg1Type = RunTimeDataType.rt_int;
// env.block.opSteps.Add(opMakeArgs);
//}
//OpStep op = new OpStep(OpCode.new_instance, new SourceToken(step.token.line, step.token.ptr, step.token.sourceFile));
//op.arg1 = new RightValue(new rtInt(_class.classid));
//op.arg1Type = _class.getRtType();
//Register eax = env.createASTRegister(step.Arg1.Reg.ID);
//eax.setEAXTypeWhenCompile(_class.getRtType());
//op.reg = eax;
//op.regType = _class.getRtType();
//env.block.opSteps.Add(op);
}
public void buildConstructor(CompileEnv env, ASTool.AS3.Expr.AS3ExprStep step, Builder builder)
{
if (step.OpCode == "new")
{
if (step.Arg1.IsReg)
{
ASBinCode.rtti.Class _class = null;
if (step.Arg2.IsReg)
{
var cls = ExpressionBuilder.getRightValue(env, step.Arg2, step.token, builder);
if (cls is ASBinCode.StaticClassDataGetter)
{
_class = builder.getClassByRunTimeDataType(cls.valueType).instanceClass;
build_class(env, _class, step, builder);
return;
}
else if (cls is MethodGetterBase)
{
throw new BuildException(
new BuildError(step.token.line, step.token.ptr, step.token.sourceFile,
"Method cannot be used as a constructor."));
}
else if (cls.valueType == ASBinCode.RunTimeDataType.rt_void || cls.valueType == ASBinCode.RunTimeDataType.rt_function)
{
//从Class对象中new
build_void(env, cls, step, builder);
return;
}
else if (cls.valueType > ASBinCode.RunTimeDataType.unknown)
{
_class = builder.getClassByRunTimeDataType(cls.valueType);
if (_class.isInterface)
{
throw new BuildException(
new BuildError(step.token.line, step.token.ptr, step.token.sourceFile,
_class.name + " Interfaces cannot be instantiated with the new operator."));
}
else if (_class.staticClass != null)
{
build_class(env, _class, step, builder);
}
else if (cls is StackSlotAccessor && ((StackSlotAccessor)cls).isFindByPath && _class.staticClass == null)
{
build_class(env, _class.instanceClass, step, builder);
}
else
{
throw new BuildException(
new BuildError(step.token.line, step.token.ptr, step.token.sourceFile,
"类型" + cls.valueType + "不能new"));
}
return;
}
else
{
throw new BuildException(
new BuildError(step.token.line, step.token.ptr, step.token.sourceFile,
"类型" + cls.valueType + "不能new"));
}
}
else
{
//***查找对象类型
var find = TypeReader.findClassFromImports(step.Arg2.Data.Value.ToString(), builder, step.token);
if (find.Count == 1)
{
_class = find[0];
if (_class.isInterface)
{
throw new BuildException(
new BuildError(step.token.line, step.token.ptr, step.token.sourceFile,
_class.name + " Interfaces cannot be instantiated with the new operator."));
}
else if (_class.no_constructor)
{
}
build_class(env, _class, step, builder);
return;
}
else
{
var cls = ExpressionBuilder.getRightValue(env, step.Arg2, step.token, builder);
if (cls is ASBinCode.StaticClassDataGetter)
{
_class = builder.getClassByRunTimeDataType(cls.valueType).instanceClass;
build_class(env, _class, step, builder);
return;
}
else if (cls is MethodGetterBase)
{
throw new BuildException(
new BuildError(step.token.line, step.token.ptr, step.token.sourceFile,
"Method cannot be used as a constructor."));
}
else if (cls.valueType == ASBinCode.RunTimeDataType.rt_void || cls.valueType == ASBinCode.RunTimeDataType.rt_function)
{
//从Class对象中new
build_void(env, cls, step, builder);
return;
}
else if (cls.valueType > RunTimeDataType.unknown &&
(builder.getClassByRunTimeDataType(cls.valueType).classid == 2
||
builder.getClassByRunTimeDataType(cls.valueType).classid == 0
))
{
build_void(env, cls, step, builder);
return;
}
else
{
throw new BuildException(
new BuildError(step.token.line, step.token.ptr, step.token.sourceFile,
"类型" + cls.valueType + "不能new"));
}
}
}
}
else
{
throw new BuildException(
new BuildError(step.token.line, step.token.ptr, step.token.sourceFile,
"编译异常 此处应该是个寄存器"));
}
}
else
{
throw new BuildException(
new BuildError(step.token.line, step.token.ptr, step.token.sourceFile,
"不支持的操作类型 " + step.Type + " " + step.OpCode));
}
}
public void buildAS3IF(CompileEnv env, ASTool.AS3.AS3IF as3if, Builder builder)
{
if (!string.IsNullOrEmpty(as3if.label))
{
//**包装一个block**
ASTool.AS3.AS3Block tempblock = new ASTool.AS3.AS3Block(as3if.Token);
tempblock.CodeList = new List <ASTool.AS3.IAS3Stmt>();
tempblock.CodeList.Add(as3if);
tempblock.label = as3if.label;
as3if.label = null;
builder.buildStmt(env, tempblock);
}
else
{
//***先编译条件***
builder.buildStmt(env, as3if.Condition);
//**取判断条件***
ASTool.AS3.AS3Expression expr = as3if.Condition.as3exprlist[as3if.Condition.as3exprlist.Count - 1];
//if true goto TRUE_LBL
//***
//goto IF_END_LBL
//TRUE_LBL
//***
//IF_END_LBL
string truelabel = env.makeLabel("IF_TRUE");
string endlabel = env.makeLabel("IF_END");
{
ASTool.AS3.AS3StmtExpressions conditionsJump = new ASTool.AS3.AS3StmtExpressions(as3if.Condition.Token);
ASTool.AS3.AS3Expression expression = new ASTool.AS3.AS3Expression(as3if.Condition.Token);
expression.exprStepList = new ASTool.AS3.Expr.AS3ExprStepList();
ASTool.AS3.Expr.AS3ExprStep step = new ASTool.AS3.Expr.AS3ExprStep(as3if.Token);
step.Type = ASTool.AS3.Expr.OpType.IF_GotoFlag;
step.OpCode = truelabel;
step.Arg1 = expr.Value;
expression.exprStepList.Add(step);
conditionsJump.as3exprlist = new List <ASTool.AS3.AS3Expression>();
conditionsJump.as3exprlist.Add(expression);
builder.buildStmt(env, conditionsJump);
}
{
//false部分
if (as3if.FalsePass != null)
{
for (int i = 0; i < as3if.FalsePass.Count; i++)
{
builder.buildStmt(env, as3if.FalsePass[i]);
}
}
//跳转到end;
ASTool.AS3.AS3StmtExpressions jumptoend = new ASTool.AS3.AS3StmtExpressions(as3if.Token);
jumptoend.as3exprlist = new List <ASTool.AS3.AS3Expression>();
ASTool.AS3.AS3Expression expression = new ASTool.AS3.AS3Expression(as3if.Token);
expression.exprStepList = new ASTool.AS3.Expr.AS3ExprStepList();
ASTool.AS3.Expr.AS3ExprStep step = new ASTool.AS3.Expr.AS3ExprStep(as3if.Token);
step.Type = ASTool.AS3.Expr.OpType.GotoFlag;
step.OpCode = endlabel;
expression.exprStepList.Add(step);
jumptoend.as3exprlist.Add(expression);
builder.buildStmt(env, jumptoend);
//**写入true标记
OpStep lbl_true = new OpStep(OpCode.flag, new SourceToken(as3if.Token.line, as3if.Token.ptr, as3if.Token.sourceFile));
lbl_true.flag = truelabel;
env.block.opSteps.Add(lbl_true);
}
{
//true部分
if (as3if.TruePass != null)
{
for (int i = 0; i < as3if.TruePass.Count; i++)
{
builder.buildStmt(env, as3if.TruePass[i]);
}
}
//**写入end标记
OpStep lbl_end = new OpStep(OpCode.flag, new SourceToken(as3if.Token.line, as3if.Token.ptr, as3if.Token.sourceFile));
lbl_end.flag = endlabel;
env.block.opSteps.Add(lbl_end);
}
}
}
public void buildAccess(CompileEnv env, ASTool.AS3.Expr.AS3ExprStep step, Builder builder)
{
if (step.OpCode == ".")
{
if (step.Arg1.IsReg)
{
ASBinCode.RightValueBase v1 = ExpressionBuilder.getRightValue(env, step.Arg2, step.token, builder);
if (step.Arg3.Data.FF1Type == ASTool.AS3.Expr.FF1DataValueType.identifier)
{
if (step.Arg3.Data.Value.ToString() == "null")
{
throw new BuildException(
new BuildError(step.token.line, step.token.ptr, step.token.sourceFile,
"Syntax error: 'null' is not allowed here"));
}
}
//ASBinCode.IRightValue v2 = ExpressionBuilder.getRightValue(env, step.Arg3, step.token, builder);
if (v1 is ASBinCode.StaticClassDataGetter)
{
if (step.Arg3.Data.FF1Type == ASTool.AS3.Expr.FF1DataValueType.identifier)
{
ASBinCode.StaticClassDataGetter sd = (ASBinCode.StaticClassDataGetter)v1;
var cls = sd._class;
build_class(env, step, v1, cls, builder);
}
else
{
throw new BuildException(
new BuildError(step.token.line, step.token.ptr, step.token.sourceFile,
"静态成员名期待一个identifier"));
}
}
else if (v1 is PackagePathGetter)
{
if (step.Arg3.Data.FF1Type == ASTool.AS3.Expr.FF1DataValueType.identifier)
{
PackagePathGetter pd = (PackagePathGetter)v1;
string path = pd.path + "." + step.Arg3.Data.Value.ToString();
//**尝试查找类***
var found = TypeReader.findClassFromProject(path, builder, step.token);
if (found.Count == 1)
{
var item = found[0];
OpStep stepInitClass = new OpStep(OpCode.init_staticclass,
new SourceToken(step.token.line, step.token.ptr, step.token.sourceFile));
stepInitClass.arg1 = new ASBinCode.rtData.RightValue(
new ASBinCode.rtData.rtInt(item.classid));
stepInitClass.arg1Type = item.staticClass.getRtType();
env.block.opSteps.Add(stepInitClass);
ASBinCode.StackSlotAccessor eax = env.createASTRegister(step.Arg1.Reg);
eax.setEAXTypeWhenCompile(item.staticClass.getRtType());
eax.isFindByPath = true;
//eax._pathGetter = new PackagePathGetter(path);
OpStep op = new OpStep(OpCode.assigning, new SourceToken(step.token.line, step.token.ptr, step.token.sourceFile));
op.reg = eax;
op.arg1 = new StaticClassDataGetter(item.staticClass);
op.arg1Type = item.staticClass.getRtType();
env.block.opSteps.Add(op);
}
else if (found.Count > 1)
{
throw new BuildException(step.token.line, step.token.ptr, step.token.sourceFile,
"类型" + path + "不明确."
);
}
else
{
//没找到
PackagePathGetter g = new PackagePathGetter(path);
ASBinCode.StackSlotAccessor eax = env.createASTRegister(step.Arg1.Reg);
eax.setEAXTypeWhenCompile(RunTimeDataType.unknown);
eax._pathGetter = g;
}
}
else
{
throw new BuildException(
new BuildError(step.token.line, step.token.ptr, step.token.sourceFile,
"静态成员名期待一个identifier"));
}
}
else if (v1 is ThisPointer && v1.valueType == RunTimeDataType.rt_void)
{
//throw new BuildException(
// new BuildError(step.token.line, step.token.ptr, step.token.sourceFile,
// "动态查找成员 还没弄"));
if (step.Arg3.Data.FF1Type == ASTool.AS3.Expr.FF1DataValueType.identifier)
{
build_dot_name(env, step, v1);
}
else
{
throw new BuildException(
new BuildError(step.token.line, step.token.ptr, step.token.sourceFile,
"静态成员名期待一个identifier"));
}
}
else if (v1.valueType == RunTimeDataType.unknown)
{
throw new BuildException(
new BuildError(step.token.line, step.token.ptr, step.token.sourceFile,
"遇到了unknown类型"));
}
else if (v1.valueType > RunTimeDataType.unknown)
{
ASBinCode.rtti.Class cls = builder.getClassByRunTimeDataType(v1.valueType);
if (cls == null)
{
throw new BuildException(
new BuildError(step.token.line, step.token.ptr, step.token.sourceFile,
"编译异常 类型" + v1.valueType + "未找到"));
}
else
{
build_class(env, step, v1, cls, builder);
}
}
else
{
if (v1.valueType != RunTimeDataType.rt_void && v1.valueType < RunTimeDataType.unknown)
{
if (
builder.bin != null &&
builder.bin.primitive_to_class_table[v1.valueType] != null)
{
var cls = builder.bin.primitive_to_class_table[v1.valueType];
v1 = ExpressionBuilder.addCastOpStep(env, v1, builder.bin.primitive_to_class_table[v1.valueType].getRtType(),
new SourceToken(step.token.line, step.token.ptr, step.token.sourceFile)
, builder
);
build_class(env, step, v1, cls, builder);
}
else
{
throw new BuildException(
new BuildError(step.token.line, step.token.ptr, step.token.sourceFile,
"基础类型" + v1.valueType + "无法转换为引用类型"));
}
}
else
{
if (step.Arg3.Data.FF1Type == ASTool.AS3.Expr.FF1DataValueType.identifier)
{
build_dot_name(env, step, v1);
}
else
{
throw new BuildException(
new BuildError(step.token.line, step.token.ptr, step.token.sourceFile,
"静态成员名期待一个identifier"));
}
}
}
}
else
{
throw new BuildException(
new BuildError(step.token.line, step.token.ptr, step.token.sourceFile,
"编译异常 此处应该是个寄存器"));
}
}
else if (step.OpCode == "[") //和.作用相同
{
if (step.Arg1.IsReg)
{
ASBinCode.RightValueBase v1 = ExpressionBuilder.getRightValue(env, step.Arg2, step.token, builder);
if (v1 is ASBinCode.StaticClassDataGetter)
{
build_bracket_access(env, step, v1, builder);
}
else if (v1 is PackagePathGetter)
{
if (step.Arg3.Data.FF1Type == ASTool.AS3.Expr.FF1DataValueType.identifier)
{
PackagePathGetter pd = (PackagePathGetter)v1;
string path = pd.path + "." + step.Arg3.Data.Value.ToString();
//**尝试查找类***
//查找导入的类
var found = TypeReader.findClassFromImports(path, builder, step.token);
if (found.Count == 1)
{
var item = found[0];
OpStep stepInitClass = new OpStep(OpCode.init_staticclass,
new SourceToken(step.token.line, step.token.ptr, step.token.sourceFile));
stepInitClass.arg1 = new ASBinCode.rtData.RightValue(
new ASBinCode.rtData.rtInt(item.classid));
stepInitClass.arg1Type = item.staticClass.getRtType();
env.block.opSteps.Add(stepInitClass);
ASBinCode.StackSlotAccessor eax = env.createASTRegister(step.Arg1.Reg);
eax.setEAXTypeWhenCompile(item.getRtType());
OpStep op = new OpStep(OpCode.assigning, new SourceToken(step.token.line, step.token.ptr, step.token.sourceFile));
op.reg = eax;
op.arg1 = new StaticClassDataGetter(item.staticClass);
op.arg1Type = item.staticClass.getRtType();
env.block.opSteps.Add(op);
build_bracket_access(env, step, v1, builder);
}
else
{
throw new BuildException(step.token.line, step.token.ptr, step.token.sourceFile,
"类型" + path + "不明确."
);
}
}
else
{
throw new BuildException(
new BuildError(step.token.line, step.token.ptr, step.token.sourceFile,
"静态成员名期待一个identifier"));
}
}
else if (v1 is ThisPointer && v1.valueType == RunTimeDataType.rt_void)
{
if (step.Arg3.Data.FF1Type == ASTool.AS3.Expr.FF1DataValueType.identifier)
{
build_bracket_access(env, step, v1, builder);
}
else
{
throw new BuildException(
new BuildError(step.token.line, step.token.ptr, step.token.sourceFile,
"静态成员名期待一个identifier"));
}
}
else if (v1.valueType == RunTimeDataType.unknown)
{
throw new BuildException(
new BuildError(step.token.line, step.token.ptr, step.token.sourceFile,
"遇到了unknown类型"));
}
else if (v1.valueType > RunTimeDataType.unknown)
{
ASBinCode.rtti.Class cls = builder.getClassByRunTimeDataType(v1.valueType);
if (cls == null)
{
throw new BuildException(
new BuildError(step.token.line, step.token.ptr, step.token.sourceFile,
"编译异常 类型" + v1.valueType + "未找到"));
}
else
{
//**todo**检查如果是数组的情况****
build_bracket_access(env, step, v1, builder);
}
}
else
{
if (v1.valueType == RunTimeDataType.rt_array)
{
var v2 = ExpressionBuilder.getRightValue(env, step.Arg3, step.token, builder);
if (v2.valueType == RunTimeDataType.rt_int || v2.valueType == RunTimeDataType.rt_number || v2.valueType == RunTimeDataType.rt_uint)
{
build_bracket_access(env, step, v1, builder);
}
else
{
v1 = ExpressionBuilder.addCastOpStep(env, v1, builder.bin.primitive_to_class_table[v1.valueType].getRtType(),
new SourceToken(step.token.line, step.token.ptr, step.token.sourceFile)
, builder
);
build_bracket_access(env, step, v1, builder);
}
}
else if (v1.valueType != RunTimeDataType.rt_void && v1.valueType < RunTimeDataType.unknown
)
{
if (builder.bin.primitive_to_class_table[v1.valueType] != null)
{
v1 = ExpressionBuilder.addCastOpStep(env, v1, builder.bin.primitive_to_class_table[v1.valueType].getRtType(),
new SourceToken(step.token.line, step.token.ptr, step.token.sourceFile)
, builder
);
build_bracket_access(env, step, v1, builder);
}
else
{
throw new BuildException(
new BuildError(step.token.line, step.token.ptr, step.token.sourceFile,
"基础类型" + v1.valueType + "无法转换为引用类型"));
}
}
else
{
build_bracket_access(env, step, v1, builder);
}
}
}
else
{
throw new BuildException(
new BuildError(step.token.line, step.token.ptr, step.token.sourceFile,
"编译异常 此处应该是个寄存器"));
}
}
else
{
throw new BuildException(
new BuildError(step.token.line, step.token.ptr, step.token.sourceFile,
"不支持的操作类型 " + step.Type + " " + step.OpCode));
}
}
private static void build_bracket_access(CompileEnv env, ASTool.AS3.Expr.AS3ExprStep step, RightValueBase v1, Builder builder)
{
ASBinCode.StackSlotAccessor eax = env.createASTRegister(step.Arg1.Reg);
eax.setEAXTypeWhenCompile(RunTimeDataType.rt_void);
var v2 = ExpressionBuilder.getRightValue(env, step.Arg3, step.token, builder);
if (v1.valueType == RunTimeDataType.rt_void
)
{
OpStep op = new OpStep(OpCode.bracket_access, new SourceToken(step.token.line, step.token.ptr, step.token.sourceFile));
op.reg = eax; eax._isDotAccessTarget = true;
op.regType = eax.valueType;
op.arg1 = v1;
op.arg1Type = v1.valueType;
op.arg2 = v2;
op.arg2Type = v2.valueType;
env.block.opSteps.Add(op);
}
else if (v1.valueType > RunTimeDataType.unknown
&&
builder.bin.dict_Vector_type.ContainsKey(builder.getClassByRunTimeDataType(v1.valueType))
)
{
ASBinCode.rtti.Class vector = builder.getClassByRunTimeDataType(v1.valueType);
RunTimeDataType vt = builder.bin.dict_Vector_type[vector];
if (v2.valueType > RunTimeDataType.unknown)
{
v2 = ExpressionBuilder.addCastToPrimitive(env, v2, new SourceToken(step.token.line, step.token.ptr, step.token.sourceFile), builder);
}
if (v2.valueType == RunTimeDataType.rt_int ||
v2.valueType == RunTimeDataType.rt_number ||
v2.valueType == RunTimeDataType.rt_uint
)
{
v2 = ExpressionBuilder.addCastOpStep(env, v2, RunTimeDataType.rt_int,
new SourceToken(step.token.line, step.token.ptr, step.token.sourceFile)
, builder);
eax.setEAXTypeWhenCompile(vt);
{
OpStep op = new OpStep(OpCode.vectorAccessor_bind, new SourceToken(step.token.line, step.token.ptr, step.token.sourceFile));
op.reg = eax; eax._isDotAccessTarget = true;
op.regType = eax.valueType;
op.arg1 = v1;
op.arg1Type = v1.valueType;
op.arg2 = v2;
op.arg2Type = v2.valueType;
env.block.opSteps.Add(op);
}
}
else
{
OpStep op = new OpStep(OpCode.vectorAccessor_convertidx, new SourceToken(step.token.line, step.token.ptr, step.token.sourceFile));
op.reg = eax; eax._isDotAccessTarget = true;
op.regType = eax.valueType;
op.arg1 = v1;
op.arg1Type = v1.valueType;
op.arg2 = v2;
op.arg2Type = v2.valueType;
env.block.opSteps.Add(op);
}
//if (v2.valueType != RunTimeDataType.rt_int)
//{
// v2=ExpressionBuilder.addCastOpStep(env, v2, RunTimeDataType.rt_int,
// new SourceToken(step.token.line, step.token.ptr, step.token.sourceFile)
// , builder);
//}
//eax.setEAXTypeWhenCompile(vt);
//eax._vector_Type = vt;
//{
// OpStep op = new OpStep(OpCode.vectorAccessor_bind, new SourceToken(step.token.line, step.token.ptr, step.token.sourceFile));
// op.reg = eax;
// op.regType = eax.valueType;
// op.arg1 = v1;
// op.arg1Type = v1.valueType;
// op.arg2 = v2;
// op.arg2Type = v2.valueType;
// env.block.opSteps.Add(op);
//}
}
else if (builder.bin.ArrayClass != null && builder.bin.ArrayClass.getRtType() == v1.valueType
&&
(v2.valueType == RunTimeDataType.rt_int ||
v2.valueType == RunTimeDataType.rt_number ||
v2.valueType == RunTimeDataType.rt_uint
)
)
{
v1 = builds.ExpressionBuilder.addCastToPrimitive(env, v1, new SourceToken(step.token.line, step.token.ptr, step.token.sourceFile), builder);
v2 = ExpressionBuilder.addCastOpStep(env, v2, RunTimeDataType.rt_int,
new SourceToken(step.token.line, step.token.ptr, step.token.sourceFile)
, builder);
OpStep op = new OpStep(OpCode.arrayAccessor_bind, new SourceToken(step.token.line, step.token.ptr, step.token.sourceFile));
op.reg = eax; eax._isDotAccessTarget = true;
op.regType = eax.valueType;
op.arg1 = v1;
op.arg1Type = v1.valueType;
op.arg2 = v2;
op.arg2Type = v2.valueType;
env.block.opSteps.Add(op);
}
else if (v1.valueType == RunTimeDataType.rt_array
&&
(v2.valueType == RunTimeDataType.rt_int ||
v2.valueType == RunTimeDataType.rt_number ||
v2.valueType == RunTimeDataType.rt_uint
)
)
{
v2 = ExpressionBuilder.addCastOpStep(env, v2, RunTimeDataType.rt_int,
new SourceToken(step.token.line, step.token.ptr, step.token.sourceFile)
, builder);
OpStep op = new OpStep(OpCode.arrayAccessor_bind, new SourceToken(step.token.line, step.token.ptr, step.token.sourceFile));
op.reg = eax; eax._isDotAccessTarget = true;
op.regType = eax.valueType;
op.arg1 = v1;
op.arg1Type = v1.valueType;
op.arg2 = v2;
op.arg2Type = v2.valueType;
env.block.opSteps.Add(op);
}
else
{
OpStep op = new OpStep(OpCode.bracket_byname, new SourceToken(step.token.line, step.token.ptr, step.token.sourceFile));
op.reg = eax; eax._isDotAccessTarget = true;
op.regType = eax.valueType;
op.arg1 = v1;
op.arg1Type = v1.valueType;
op.arg2 = v2;
op.arg2Type = v2.valueType;
env.block.opSteps.Add(op);
}
}
private static void build_class(CompileEnv env, ASTool.AS3.Expr.AS3ExprStep step, RightValueBase v1, ASBinCode.rtti.Class cls, Builder builder)
{
if (step.Arg3.Data.FF1Type == ASTool.AS3.Expr.FF1DataValueType.identifier)
{
ASBinCode.rtti.ClassMember member = null;
//***查找对象成员***
member = MemberFinder.findClassMember(cls, step.Arg3.Data.Value.ToString(), env, builder);
if (member == null)
{
if (cls.dynamic
&&
cls.staticClass != null //***编译时检查不能向Class动态加属性。
)
{
//***此处编译为动态属性***
build_dot_name(env, step, v1);
return;
}
}
if (member == null)
{
if (step.Arg3.Data.Value.ToString() == "hasOwnProperty"
) //***这是Object原型链对象，特殊处理
{
//***此处编译为动态属性***
build_dot_name(env, step, v1);
return;
}
if (v1 is SuperPointer)
{
throw new BuildException(
new BuildError(step.token.line, step.token.ptr, step.token.sourceFile,
"Attempted access of inaccessible property " + step.Arg3.Data.Value + " through a reference with static type " + ((SuperPointer)v1).thisClass.name + "."));
}
else
{
throw new BuildException(
new BuildError(step.token.line, step.token.ptr, step.token.sourceFile,
cls.name + "对象成员" + step.Arg3.Data.Value + "未找到"));
}
}
if (!member.isConst && env.isEval)
{
throw new BuildException(
new BuildError(step.token.line, step.token.ptr, step.token.sourceFile,
"Eval时忽略非Const成员"));
}
build_dot(env, step, v1, member);
}
else
{
throw new BuildException(
new BuildError(step.token.line, step.token.ptr, step.token.sourceFile,
"静态成员名期待一个identifier"));
}
}
public void buildAS3Switch(CompileEnv env, ASTool.AS3.AS3Switch as3switch, Builder builder)
{
if (!string.IsNullOrEmpty(as3switch.label))
{
//**包装一个block**
ASTool.AS3.AS3Block tempblock = new ASTool.AS3.AS3Block(as3switch.Token);
tempblock.CodeList = new List <ASTool.AS3.IAS3Stmt>();
tempblock.CodeList.Add(as3switch);
tempblock.label = as3switch.label;
as3switch.label = null;
builder.buildStmt(env, tempblock);
}
else
{
//***先编译条件***
ASTool.AS3.AS3StmtExpressions expressions = new ASTool.AS3.AS3StmtExpressions(as3switch.Token);
expressions.as3exprlist = new List <ASTool.AS3.AS3Expression>();
expressions.as3exprlist.Add(as3switch.Expr);
builder.buildStmt(env, expressions);
//**取判断条件***
ASTool.AS3.AS3Expression expr = as3switch.Expr;
int defaults = 0;
for (int i = 0; i < as3switch.CaseList.Count; i++)
{
ASTool.AS3.AS3SwitchCase c = as3switch.CaseList[i];
if (c.IsDefault)
{
defaults++;
}
if (defaults > 1)
{
throw new BuildException(c.token.line, c.token.ptr, c.token.sourceFile, "switch只能有1个default:");
}
}
List <string> switchlabels = new List <string>();
for (int i = 0; i < as3switch.CaseList.Count; i++)
{
ASTool.AS3.AS3SwitchCase c = as3switch.CaseList[i];
if (!c.IsDefault)
{
switchlabels.Add(env.makeLabel("SWITCH_CASE"));
}
else
{
switchlabels.Add(env.makeLabel("SWITCH_DEFAULT"));
}
}
for (int i = 0; i < as3switch.CaseList.Count; i++)
{
ASTool.AS3.AS3SwitchCase c = as3switch.CaseList[i];
if (!c.IsDefault)
{
RunTimeValueBase v = ExpressionEval.Eval(c.Condition);
if (v != null && c.Condition.Value.IsReg)
{
OpStep op = new OpStep(OpCode.assigning, new SourceToken(c.token.line, c.token.ptr, c.token.sourceFile));
var eax = env.createASTRegister(c.Condition.Value.Reg);
eax.setEAXTypeWhenCompile(v.rtType);
op.reg = eax;
op.regType = eax.valueType;
op.arg1 = new ASBinCode.rtData.RightValue(v);
op.arg1Type = v.rtType;
env.block.opSteps.Add(op);
}
else
{
ASTool.AS3.AS3StmtExpressions caseExpr = new ASTool.AS3.AS3StmtExpressions(c.token);
caseExpr.as3exprlist = new List <ASTool.AS3.AS3Expression>();
caseExpr.as3exprlist.Add(c.Condition);
builder.buildStmt(env, caseExpr);
}
{
ASTool.AS3.Expr.AS3ExprStep step = new ASTool.AS3.Expr.AS3ExprStep(c.token);
step.Type = ASTool.AS3.Expr.OpType.LogicEQ;
step.OpCode = "==";
step.Arg1 = c.holdreg;
step.Arg2 = expr.Value;
step.Arg3 = c.Condition.Value;
ASTool.AS3.AS3StmtExpressions compare = new ASTool.AS3.AS3StmtExpressions(c.token);
ASTool.AS3.AS3Expression expression = new ASTool.AS3.AS3Expression(c.token);
expression.exprStepList = new ASTool.AS3.Expr.AS3ExprStepList();
expression.exprStepList.Add(step);
expression.Value = c.holdreg;
compare.as3exprlist = new List <ASTool.AS3.AS3Expression>();
compare.as3exprlist.Add(expression);
builder.buildStmt(env, compare);
}
{
ASTool.AS3.AS3StmtExpressions conditionsJump = new ASTool.AS3.AS3StmtExpressions(c.token);
ASTool.AS3.AS3Expression expression = new ASTool.AS3.AS3Expression(c.token);
expression.exprStepList = new ASTool.AS3.Expr.AS3ExprStepList();
ASTool.AS3.Expr.AS3ExprStep step = new ASTool.AS3.Expr.AS3ExprStep(c.token);
step.Type = ASTool.AS3.Expr.OpType.IF_GotoFlag;
step.OpCode = switchlabels[i];
step.Arg1 = c.holdreg;
expression.exprStepList.Add(step);
conditionsJump.as3exprlist = new List <ASTool.AS3.AS3Expression>();
conditionsJump.as3exprlist.Add(expression);
builder.buildStmt(env, conditionsJump);
}
}
else
{
ASTool.AS3.AS3StmtExpressions jump = new ASTool.AS3.AS3StmtExpressions(c.token);
ASTool.AS3.AS3Expression expression = new ASTool.AS3.AS3Expression(c.token);
expression.exprStepList = new ASTool.AS3.Expr.AS3ExprStepList();
ASTool.AS3.Expr.AS3ExprStep step = new ASTool.AS3.Expr.AS3ExprStep(c.token);
step.Type = ASTool.AS3.Expr.OpType.GotoFlag;
step.OpCode = switchlabels[i];
expression.exprStepList.Add(step);
jump.as3exprlist = new List <ASTool.AS3.AS3Expression>();
jump.as3exprlist.Add(expression);
builder.buildStmt(env, jump);
}
}
int lblid = env.getLabelId();
OpStep lbl_case_start = new OpStep(OpCode.flag, new SourceToken(as3switch.Token.line, as3switch.Token.ptr, as3switch.Token.sourceFile));
lbl_case_start.flag = "SWITCH_START_" + lblid;
env.block.opSteps.Add(lbl_case_start);
for (int i = 0; i < as3switch.CaseList.Count; i++)
{
ASTool.AS3.AS3SwitchCase c = as3switch.CaseList[i];
//if (!c.IsDefault)
{
OpStep lbl_case = new OpStep(OpCode.flag, new SourceToken(c.token.line, c.token.ptr, c.token.sourceFile));
lbl_case.flag = switchlabels[i];
env.block.opSteps.Add(lbl_case);
}
if (c.Body != null)
{
for (int j = 0; j < c.Body.Count; j++)
{
builder.buildStmt(env, c.Body[j]);
}
}
}
OpStep lbl_case_end = new OpStep(OpCode.flag, new SourceToken(as3switch.Token.line, as3switch.Token.ptr, as3switch.Token.sourceFile));
lbl_case_end.flag = "SWITCH_END_" + lblid;
env.block.opSteps.Add(lbl_case_end);
}
}
public void buildAS3For(CompileEnv env, ASTool.AS3.AS3For as3for, Builder builder)
{
if (!string.IsNullOrEmpty(as3for.label))
{
//**包装一个block**
ASTool.AS3.AS3Block tempblock = new ASTool.AS3.AS3Block(as3for.Token);
tempblock.CodeList = new List <ASTool.AS3.IAS3Stmt>();
tempblock.CodeList.Add(as3for);
tempblock.label = as3for.label;
as3for.label = null;
OpStep lbl_forlabel = new OpStep(OpCode.flag, new SourceToken(as3for.Token.line, as3for.Token.ptr, as3for.Token.sourceFile));
lbl_forlabel.flag = "LOOP_LABEL_START_" + tempblock.label;
env.block.opSteps.Add(lbl_forlabel);
builder.buildStmt(env, tempblock);
OpStep lbl_forlabel_end = new OpStep(OpCode.flag, new SourceToken(as3for.Token.line, as3for.Token.ptr, as3for.Token.sourceFile));
lbl_forlabel_end.flag = "LOOP_LABEL_END_" + tempblock.label;
env.block.opSteps.Add(lbl_forlabel_end);
}
else
{
//***
//FOR_LOOPSTART
//***For_Part2***
//***if_true goto FOR_LOOPBODY
//***goto FOR_END
//FOR_LOOPBODY
//***ForBody
//FOR_CONTINUE
//***For_Part3
//**goto FOR_LOOPSTART
//FOR_END
int lblid = env.getLabelId();
string loopstart = "LOOP_START_" + lblid;
string loopbody = "LOOP_BODY_" + lblid;
string loopcontinue = "LOOP_CONTINUE_" + lblid;
string loopend = "LOOP_END_" + lblid;
{
OpStep lbl_loopstart = new OpStep(OpCode.flag, new SourceToken(as3for.Token.line, as3for.Token.ptr, as3for.Token.sourceFile));
lbl_loopstart.flag = loopstart;
env.block.opSteps.Add(lbl_loopstart);
}
if (as3for.Part2 != null)
{
builder.buildStmt(env, as3for.Part2);
ASTool.AS3.AS3Expression expr =
as3for.Part2.as3exprlist[as3for.Part2.as3exprlist.Count - 1];
{
ASTool.AS3.AS3StmtExpressions conditionsJump =
new ASTool.AS3.AS3StmtExpressions(as3for.Part2.Token);
ASTool.AS3.AS3Expression expression = new ASTool.AS3.AS3Expression(as3for.Part2.Token);
expression.exprStepList = new ASTool.AS3.Expr.AS3ExprStepList();
ASTool.AS3.Expr.AS3ExprStep step = new ASTool.AS3.Expr.AS3ExprStep(as3for.Part2.Token);
step.Type = ASTool.AS3.Expr.OpType.IF_GotoFlag;
step.OpCode = loopbody;
step.Arg1 = expr.Value;
expression.exprStepList.Add(step);
conditionsJump.as3exprlist = new List <ASTool.AS3.AS3Expression>();
conditionsJump.as3exprlist.Add(expression);
builder.buildStmt(env, conditionsJump);
}
{
ASTool.AS3.AS3StmtExpressions jumptoend = new ASTool.AS3.AS3StmtExpressions(as3for.Part2.Token);
jumptoend.as3exprlist = new List <ASTool.AS3.AS3Expression>();
ASTool.AS3.AS3Expression expression = new ASTool.AS3.AS3Expression(as3for.Part2.Token);
expression.exprStepList = new ASTool.AS3.Expr.AS3ExprStepList();
ASTool.AS3.Expr.AS3ExprStep step = new ASTool.AS3.Expr.AS3ExprStep(as3for.Part2.Token);
step.Type = ASTool.AS3.Expr.OpType.GotoFlag;
step.OpCode = loopend;
expression.exprStepList.Add(step);
jumptoend.as3exprlist.Add(expression);
builder.buildStmt(env, jumptoend);
}
}
{
OpStep lbl_loopbody = new OpStep(OpCode.flag, new SourceToken(as3for.Token.line, as3for.Token.ptr, as3for.Token.sourceFile));
lbl_loopbody.flag = loopbody;
env.block.opSteps.Add(lbl_loopbody);
}
if (as3for.Body != null)
{
for (int i = 0; i < as3for.Body.Count; i++)
{
builder.buildStmt(env, as3for.Body[i]);
}
}
{
OpStep lbl_loopcontinue = new OpStep(OpCode.flag, new SourceToken(as3for.Token.line, as3for.Token.ptr, as3for.Token.sourceFile));
lbl_loopcontinue.flag = loopcontinue;
env.block.opSteps.Add(lbl_loopcontinue);
}
if (as3for.Part3 != null)
{
builder.buildStmt(env, as3for.Part3);
}
{
//强行跳回开始
ASTool.AS3.AS3StmtExpressions jumptostart = new ASTool.AS3.AS3StmtExpressions(as3for.Token);
jumptostart.as3exprlist = new List <ASTool.AS3.AS3Expression>();
ASTool.AS3.AS3Expression expression = new ASTool.AS3.AS3Expression(as3for.Token);
expression.exprStepList = new ASTool.AS3.Expr.AS3ExprStepList();
ASTool.AS3.Expr.AS3ExprStep step = new ASTool.AS3.Expr.AS3ExprStep(as3for.Token);
step.Type = ASTool.AS3.Expr.OpType.GotoFlag;
step.OpCode = loopstart;
expression.exprStepList.Add(step);
jumptostart.as3exprlist.Add(expression);
builder.buildStmt(env, jumptostart);
}
{
//结束标记
OpStep lbl_loopend = new OpStep(OpCode.flag, new SourceToken(as3for.Token.line, as3for.Token.ptr, as3for.Token.sourceFile));
lbl_loopend.flag = loopend;
env.block.opSteps.Add(lbl_loopend);
}
}
}
public void buildAS3ForEach(CompileEnv env, ASTool.AS3.AS3ForEach as3foreach, Builder builder)
{
if (!string.IsNullOrEmpty(as3foreach.label))
{
//**包装一个block**
ASTool.AS3.AS3Block tempblock = new ASTool.AS3.AS3Block(as3foreach.Token);
tempblock.CodeList = new List <ASTool.AS3.IAS3Stmt>();
tempblock.CodeList.Add(as3foreach);
tempblock.label = as3foreach.label;
as3foreach.label = null;
OpStep lbl_forlabel = new OpStep(OpCode.flag, new SourceToken(as3foreach.Token.line, as3foreach.Token.ptr, as3foreach.Token.sourceFile));
lbl_forlabel.flag = "LOOP_LABEL_START_" + tempblock.label;
env.block.opSteps.Add(lbl_forlabel);
builder.buildStmt(env, tempblock);
OpStep lbl_forlabel_end = new OpStep(OpCode.flag, new SourceToken(as3foreach.Token.line, as3foreach.Token.ptr, as3foreach.Token.sourceFile));
lbl_forlabel_end.flag = "LOOP_LABEL_END_" + tempblock.label;
env.block.opSteps.Add(lbl_forlabel_end);
}
else
{
int lblid = env.getLabelId();
builder.buildStmt(env, as3foreach.ForArg);
LeftValueBase varvalue = null;
if (as3foreach.ForArg is ASTool.AS3.AS3StmtExpressions)
{
ASTool.AS3.AS3StmtExpressions exprs = (ASTool.AS3.AS3StmtExpressions)as3foreach.ForArg;
if (exprs.as3exprlist.Count != 1)
{
throw new BuildException(
as3foreach.Token.line, as3foreach.Token.ptr, as3foreach.Token.sourceFile, "Syntax error: invalid for-in initializer, only 1 expression expected.");
}
ASTool.AS3.AS3Expression expr = exprs.as3exprlist[0];
varvalue = (LeftValueBase)ExpressionBuilder.getRightValue(env, expr.Value, expr.token, builder);
}
else if (as3foreach.ForArg is ASTool.AS3.AS3Variable)
{
ASTool.AS3.AS3Variable v = (ASTool.AS3.AS3Variable)as3foreach.ForArg;
varvalue = (VariableBase)MemberFinder.find(v.Name, env, false, builder, v.token);
}
else
{
throw new BuildException(
as3foreach.Token.line, as3foreach.Token.ptr, as3foreach.Token.sourceFile, "异常错误，获得的变量类型不正确");
}
builder.buildExpression(env, as3foreach.ForExpr);
RightValueBase enumerator = ExpressionBuilder.getRightValue(env, as3foreach.ForExpr.Value, as3foreach.ForExpr.token, builder);
if (enumerator.valueType == RunTimeDataType.rt_void
||
enumerator.valueType < RunTimeDataType.unknown
)
{
enumerator = ExpressionBuilder.addCastOpStep(env, enumerator, RunTimeDataType._OBJECT,
new SourceToken(as3foreach.ForExpr.token.line,
as3foreach.ForExpr.token.ptr,
as3foreach.ForExpr.token.sourceFile)
,
builder);
}
//Register regSaveEnumerator = env.getAdditionalRegister();
Variable varSaveEnumerator = new Variable("@saveEnumeraor_" + env.block.scope.members.Count, env.block.scope.members.Count, env.block.id);
env.block.scope.members.Add(varSaveEnumerator);
varSaveEnumerator.valueType = (RunTimeDataType.rt_void);
{
//**IEnumerator Get And Reset();
OpStep opGetEnumerator = new OpStep(OpCode.foreach_get_enumerator,
new SourceToken(as3foreach.Token.line,
as3foreach.Token.ptr,
as3foreach.Token.sourceFile)
);
opGetEnumerator.reg = varSaveEnumerator;
opGetEnumerator.regType = RunTimeDataType.rt_void;
opGetEnumerator.arg1 = enumerator;
opGetEnumerator.arg1Type = enumerator.valueType;
env.block.opSteps.Add(opGetEnumerator);
}
string loopstart = "LOOP_START_" + lblid;
string loopbody = "LOOP_BODY_" + lblid;
string loopcontinue = "LOOP_CONTINUE_" + lblid;
string loopend = "LOOP_END_" + lblid;
{
OpStep lbl_loopstart = new OpStep(OpCode.flag, new SourceToken(as3foreach.Token.line, as3foreach.Token.ptr, as3foreach.Token.sourceFile));
lbl_loopstart.flag = loopstart;
env.block.opSteps.Add(lbl_loopstart);
}
StackSlotAccessor eaxismovenext = env.getAdditionalRegister();
eaxismovenext.setEAXTypeWhenCompile(RunTimeDataType.rt_boolean);
{
//**IEnumerator MoveNext()
OpStep opMoveNext = new OpStep(OpCode.enumerator_movenext,
new SourceToken(as3foreach.Token.line,
as3foreach.Token.ptr,
as3foreach.Token.sourceFile)
);
opMoveNext.reg = eaxismovenext;
opMoveNext.regType = RunTimeDataType.rt_boolean;
opMoveNext.arg1 = varSaveEnumerator;
opMoveNext.arg1Type = varSaveEnumerator.valueType;
env.block.opSteps.Add(opMoveNext);
}
{
OpStep op = new OpStep(OpCode.if_jmp, new SourceToken(as3foreach.ForExpr.token.line,
as3foreach.ForExpr.token.ptr, as3foreach.ForExpr.token.sourceFile));
op.reg = null;
op.regType = RunTimeDataType.unknown;
op.arg1 = eaxismovenext;
op.arg1Type = eaxismovenext.valueType;
op.arg2 = new ASBinCode.rtData.RightValue(
new ASBinCode.rtData.rtString(loopbody));
op.arg2Type = RunTimeDataType.rt_string;
env.block.opSteps.Add(op);
}
{
ASTool.AS3.AS3StmtExpressions jumptoend = new ASTool.AS3.AS3StmtExpressions(as3foreach.Token);
jumptoend.as3exprlist = new List <ASTool.AS3.AS3Expression>();
ASTool.AS3.AS3Expression expression = new ASTool.AS3.AS3Expression(as3foreach.Token);
expression.exprStepList = new ASTool.AS3.Expr.AS3ExprStepList();
ASTool.AS3.Expr.AS3ExprStep step = new ASTool.AS3.Expr.AS3ExprStep(as3foreach.Token);
step.Type = ASTool.AS3.Expr.OpType.GotoFlag;
step.OpCode = loopend;
expression.exprStepList.Add(step);
jumptoend.as3exprlist.Add(expression);
builder.buildStmt(env, jumptoend);
}
{
OpStep lbl_loopbody = new OpStep(OpCode.flag, new SourceToken(as3foreach.Token.line, as3foreach.Token.ptr, as3foreach.Token.sourceFile));
lbl_loopbody.flag = loopbody;
env.block.opSteps.Add(lbl_loopbody);
}
{
RightValueBase loadValue = env.getAdditionalRegister();
((StackSlotAccessor)loadValue).setEAXTypeWhenCompile(RunTimeDataType.rt_void);
//**IEnumerator Current()
OpStep opCurrent = new OpStep(OpCode.enumerator_current,
new SourceToken(as3foreach.Token.line,
as3foreach.Token.ptr,
as3foreach.Token.sourceFile)
);
opCurrent.reg = (StackSlotAccessor)loadValue;
opCurrent.regType = RunTimeDataType.rt_void;
opCurrent.arg1 = varSaveEnumerator;
opCurrent.arg1Type = varSaveEnumerator.valueType;
env.block.opSteps.Add(opCurrent);
if (varvalue.valueType != RunTimeDataType.rt_void)
{
loadValue = ExpressionBuilder.addCastOpStep(env, loadValue, varvalue.valueType,
new SourceToken(as3foreach.Token.line, as3foreach.Token.ptr, as3foreach.Token.sourceFile)
,
builder
);
}
var op = new OpStep(OpCode.assigning, new SourceToken(as3foreach.Token.line, as3foreach.Token.ptr, as3foreach.Token.sourceFile));
op.reg = varvalue;
op.regType = varvalue.valueType;
op.arg1 = loadValue;
op.arg1Type = loadValue.valueType;
op.arg2 = null;
op.arg2Type = RunTimeDataType.unknown;
env.block.opSteps.Add(op);
}
if (as3foreach.Body != null)
{
for (int i = 0; i < as3foreach.Body.Count; i++)
{
builder.buildStmt(env, as3foreach.Body[i]);
}
}
{
OpStep lbl_loopcontinue = new OpStep(OpCode.flag, new SourceToken(as3foreach.Token.line, as3foreach.Token.ptr, as3foreach.Token.sourceFile));
lbl_loopcontinue.flag = loopcontinue;
env.block.opSteps.Add(lbl_loopcontinue);
}
{
//强行跳回开始
ASTool.AS3.AS3StmtExpressions jumptostart = new ASTool.AS3.AS3StmtExpressions(as3foreach.Token);
jumptostart.as3exprlist = new List <ASTool.AS3.AS3Expression>();
ASTool.AS3.AS3Expression expression = new ASTool.AS3.AS3Expression(as3foreach.Token);
expression.exprStepList = new ASTool.AS3.Expr.AS3ExprStepList();
ASTool.AS3.Expr.AS3ExprStep step = new ASTool.AS3.Expr.AS3ExprStep(as3foreach.Token);
step.Type = ASTool.AS3.Expr.OpType.GotoFlag;
step.OpCode = loopstart;
expression.exprStepList.Add(step);
jumptostart.as3exprlist.Add(expression);
builder.buildStmt(env, jumptostart);
}
{
//结束标记
OpStep lbl_loopend = new OpStep(OpCode.flag, new SourceToken(as3foreach.Token.line, as3foreach.Token.ptr, as3foreach.Token.sourceFile));
lbl_loopend.flag = loopend;
env.block.opSteps.Add(lbl_loopend);
}
{
OpStep opClose = new OpStep(OpCode.enumerator_close, new SourceToken(as3foreach.Token.line, as3foreach.Token.ptr, as3foreach.Token.sourceFile));
opClose.reg = null;
opClose.regType = RunTimeDataType.unknown;
opClose.arg1 = varSaveEnumerator;
opClose.arg1Type = RunTimeDataType.rt_void;
opClose.arg2 = null;
opClose.arg2Type = RunTimeDataType.rt_void;
env.block.opSteps.Add(opClose);
}
}
}
