本文整理汇总了C#中SymbolTable.AddLocal方法的典型用法代码示例。如果您正苦于以下问题：C# SymbolTable.AddLocal方法的具体用法？C# SymbolTable.AddLocal怎么用？C# SymbolTable.AddLocal使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类SymbolTable的用法示例。
在下文中一共展示了SymbolTable.AddLocal方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: GenerateIL
public override void GenerateIL(ILGenerator il, SymbolTable st)
{
if (CanReduce)
base.GenerateIL(il, st);
var name = VariableNames[0];
st.AddLocal(name, il.DeclareLocal(InitialValue.TypeOfExpression()));
InitialValue.GenerateIL(il, st);
il.Emit(OpCodes.Stloc, st.Locals[name].LocalIndex);
}示例2: GenStmt
private void GenStmt(ParseTreeNode stmt, ILGenerator il, SymbolTable symbolTable)
{
if (stmt.Term.Name == "program")
{
if (stmt.ChildNodes.Count > 0)
{
this.GenStmt(stmt.ChildNodes[0].ChildNodes[0], il, symbolTable);
this.GenStmt(stmt.ChildNodes[1], il, symbolTable);
}
}
else if (stmt.Term.Name == "variableDeclaration")
{
Type localType;
// declare a local
if (stmt.ChildNodes[2].Term.Name == "typeSpecifier")
{
localType = this.TypeOfTypeDeclaration(stmt.ChildNodes[2].ChildNodes[1]);
}
else
{
localType = this.TypeOfExpr(stmt.ChildNodes[2].ChildNodes[1], symbolTable);
//symbolTable.locals[stmt.ChildNodes[1].ChildNodes[0].Token.ValueString] = il.DeclareLocal(this.TypeOfExpr(stmt.ChildNodes[2].ChildNodes[1], symbolTable));
}
Action<string> generateAssign = null;
ParseTreeNode assign = stmt.ChildNodes.Where(x => x.Term.Name == "setEqual").SingleOrDefault();
// set the initial value
if (assign != null)
{
generateAssign = new Action<string>(name =>
{
this.GenExpr(assign.ChildNodes[1], symbolTable.locals[name].LocalType, il, symbolTable);
symbolTable.Store(name, this.TypeOfExpr(assign.ChildNodes[1], symbolTable), il);
});
}
var variableIden = stmt.ChildNodes[1];
while (true)
{
string name = variableIden.ChildNodes[0].Token.ValueString;
symbolTable.AddLocal(name,il.DeclareLocal(localType));
if (generateAssign != null)
generateAssign(name);
if (variableIden.ChildNodes.Count < 2)
break;
variableIden = variableIden.ChildNodes[1];
}
}
else if (stmt.Term.Name == "io")
{
if (stmt.ChildNodes[0].Token.ValueString == "put")
{
ParseTreeNode argItem = stmt.ChildNodes[1];
while (true)
{
this.GenExpr(argItem.ChildNodes[0], typeof(string), il, symbolTable);
il.Emit(OpCodes.Call, typeof(System.Console).GetMethod("Write", new System.Type[] { typeof(string) }));
if (argItem.ChildNodes.Count > 1)
argItem = argItem.ChildNodes[1];
else
break;
}
il.Emit(OpCodes.Call, typeof(System.Console).GetMethod("WriteLine", new System.Type[] { }));
}
}
else if (stmt.Term.Name == "assignment")
{
string ident = stmt.ChildNodes[0].Token.ValueString;
this.GenExpr(stmt.ChildNodes[1].ChildNodes[1], this.TypeOfExpr(stmt.ChildNodes[1].ChildNodes[1], symbolTable), il, symbolTable);
symbolTable.Store(ident, this.TypeOfExpr(stmt.ChildNodes[1].ChildNodes[1], symbolTable), il);
//this.Store(ident, this.TypeOfExpr(stmt.ChildNodes[1].ChildNodes[1], symbolTable), ref il, symbolTable);
}
else if (stmt.Term.Name == "functionDefinition")
{
string functionName = stmt.ChildNodes[1].Token.ValueString;
if (functionTable.ContainsKey(functionName))
{
throw new Exception(functionName + " has already been defined");
}
var parameterList = new List<FunctionDefinition.Argument>();
List<Type> types = new List<Type>();
SymbolTable localSymbols = new SymbolTable();
if (stmt.ChildNodes[2].ChildNodes.Count > 0)
{
var currParam = stmt.ChildNodes[2].ChildNodes[0];
while (true)
{
var parameterType = TypeOfExpr(currParam.ChildNodes[0].ChildNodes[1].ChildNodes[1], symbolTable);
var paramIdentifier = currParam.ChildNodes[0].ChildNodes[0];
while (true)
{
var parameterName = paramIdentifier.ChildNodes[0].Token.ValueString;
parameterList.Add(new FunctionDefinition.Argument() { argName = parameterName, argType = parameterType });
localSymbols.AddParameter(parameterName, parameterType);
types.Add(parameterType);
if (paramIdentifier.ChildNodes.Count == 1)
break;
paramIdentifier = paramIdentifier.ChildNodes[1];
}
if (currParam.ChildNodes.Count == 1)
//.........这里部分代码省略.........
示例3: GenStmt
private void GenStmt(ParseTreeNode stmt, ILGenerator il, SymbolTable symbolTable, Label? exitScope = null)
{
if (stmt.Term.Name == "program")
{
if (stmt.ChildNodes.Count > 0)
{
this.GenStmt(stmt.ChildNodes[0].ChildNodes[0], il, symbolTable);
this.GenStmt(stmt.ChildNodes[1], il, symbolTable);
}
}
else if (stmt.Term.Name == "variableDeclaration")
{
Type localType;
// declare a local
if (stmt.ChildNodes[2].Term.Name == "typeSpecifier")
{
localType = this.TypeOfTypeDeclaration(stmt.ChildNodes[2].ChildNodes[0]);
}
else
{
localType = TypeOfExpr(stmt.ChildNodes[2].ChildNodes[1], symbolTable);
}
Action<string> generateAssign = null;
ParseTreeNode assign = stmt.ChildNodes.Where(x => x.Term.Name == "setEqual").SingleOrDefault();
// set the initial value
if (assign != null)
{
generateAssign = new Action<string>(name =>
{
this.GenExpr(assign.ChildNodes[1], symbolTable.Locals[name].LocalType, il, symbolTable);
symbolTable.Store(name, TypeOfExpr(assign.ChildNodes[1], symbolTable), il);
});
}
var variableIden = stmt.ChildNodes[1];
while (true)
{
string name = variableIden.ChildNodes[0].Token.ValueString;
symbolTable.AddLocal(name, il.DeclareLocal(localType));
if (generateAssign != null)
generateAssign(name);
if (variableIden.ChildNodes.Count < 2)
break;
variableIden = variableIden.ChildNodes[1];
}
}
else if (stmt.Term.Name == "io")
{
if (stmt.ChildNodes[0].Token.ValueString == "put")
{
//the first argument is always there, until we can build a proper AST this'll have to do
ParseTreeNode argItem = stmt.ChildNodes[1];
this.GenExpr(argItem.ChildNodes[0], typeof(string), il, symbolTable);
il.Emit(OpCodes.Call, typeof(System.Console).GetMethod("Write", new System.Type[] { typeof(string) }));
argItem = stmt.ChildNodes[2];
while (true)
{
if (argItem.ChildNodes.Count == 0)
break;
this.GenExpr(argItem.ChildNodes[0].ChildNodes[0], typeof(string), il, symbolTable);
il.Emit(OpCodes.Call, typeof(System.Console).GetMethod("Write", new System.Type[] { typeof(string) }));
argItem = argItem.ChildNodes[1];
}
if (stmt.ChildNodes[3].ChildNodes.Count == 0)//put a newline character if there is no ...
il.Emit(OpCodes.Call, typeof(System.Console).GetMethod("WriteLine", new System.Type[] { }));
}
else if (stmt.ChildNodes[0].Token.ValueString == "get")
{
foreach (var argument in stmt.ChildNodes[1].ChildNodes)
{
//switch(symbolTable.TypeOfVar(
il.Emit(OpCodes.Call, typeof(System.Console).GetMethod("ReadLine", new System.Type[] { }));
symbolTable.Store(argument.Token.ValueString, typeof(string), il);
}
}
}
else if (stmt.Term.Name == "assignment")
{
if (stmt.ChildNodes[0].Term.Name == "functionCall")//if we see this as a function call, we know that's not true, and it's actually an array (which is kinda the same thing in turing)
{
string arrayName = stmt.ChildNodes[0].ChildNodes[0].Token.ValueString;
if (symbolTable.TypeOfVar(arrayName).IsArray)
{
symbolTable.PushVar(arrayName, il);
if (stmt.ChildNodes[0].ChildNodes[1].ChildNodes.Count > 1)
throw new NotImplementedException("Multi-Dimensional arrays are not yet supported");
this.GenExpr(stmt.ChildNodes[0].ChildNodes[1].ChildNodes[0], typeof(int), il, symbolTable);
this.GenExpr(stmt.ChildNodes[1].ChildNodes[1], TypeOfExpr(stmt.ChildNodes[1].ChildNodes[1], symbolTable), il, symbolTable);
il.Emit(OpCodes.Stelem, symbolTable.TypeOfVar(arrayName).GetElementType());
}
else
throw new NotSupportedException(String.Format("Non-array identifier used like an array: {0}", arrayName));
}
else
{
this.GenExpr(stmt.ChildNodes[1].ChildNodes[1], TypeOfExpr(stmt.ChildNodes[1].ChildNodes[1], symbolTable), il, symbolTable);
string ident = stmt.ChildNodes[0].Token.ValueString;
//.........这里部分代码省略.........