protected void VisitNode(LocalVarDecls node)
{
// Correlates variable names with stack position
Dictionary <string, int> localVars = new Dictionary <string, int>();
int localVarIdx = 0;
// We want to add some variables to the .il file
// Visit all of DclName children
List <DclName> declNameChildren = Utilities.GetChildren(node, typeof(DclName)).Cast <DclName>().ToList();
String declString = "";
if (declNameChildren.Count > 0)
{
declString = String.Format(".locals init (\n");
}
foreach (DclName d in declNameChildren)
{
String varType = Utilities.TypeDescToString(d.attrRef);
String varName = d.Name.Split(' ')[2];
declString += String.Format("[{0}]\t{1}\t{2}", localVarIdx,
varType, varName);
localVars.Add(varName, localVarIdx);
localVarIdx++;
if (localVarIdx > 0 && localVarIdx != declNameChildren.Count)
{
declString += ",";
}
declString += "\n";
// Store the stack order of this variable
}
localVarNumber.Add(methodName, localVars);
InsertIntoFile(declString + ")\n");
// commas
}
public void VisitNode(LocalVarDeclStmt node)
{
// Type of this declaration
Type type = null;
// See if we have a primitive type
var primitiveTypeChildren = Utilities.GetChildren(node, typeof(PrimitiveType)).Cast <PrimitiveType>().ToList();
// If we have a primitive type go visit it
if (primitiveTypeChildren.Count > 0)
{
TypeVisitor t = new TypeVisitor();
primitiveTypeChildren[0].Accept(t);
Attributes a = primitiveTypeChildren[0].attrRef;
type = a.typeInfo.GetType();
}
// Otherwise we better have a qualified name
else
{
var qualNameChildren = Utilities.GetChildren(node, typeof(QualifiedName)).Cast <QualifiedName>().ToList();
// If we have a qualified name go visit it
if (qualNameChildren.Count > 0)
{
TypeVisitor t = new TypeVisitor();
qualNameChildren[0].Accept(t);
Attributes a = qualNameChildren[0].attrRef;
type = a.typeInfo.GetType();
}
}
// Now we have a type. Could be error, or a valid type.
Attributes myAttr = new Attributes("VarDcl");
myAttr.typeInfo = type;
node.attrRef = myAttr;
// Go to LocalVarDecls and Get all DclName children
LocalVarDecls dclsNode = Utilities.GetChildren(node, typeof(LocalVarDecls)).Cast <LocalVarDecls>().ToList()[0];
List <DclName> matchingChildren = Utilities.GetChildren(dclsNode, typeof(DclName)).Cast <DclName>().ToList();
foreach (DclName d in matchingChildren)
{
// Enter these children into the symbol table
// Extract the name (ugly but the name is currently "LocalVar -> xxxx" and we want xxxx)
String name = d.Name.Split(' ')[2];
name = Utilities.FilterOutKeywords(name);
currentSymbolTable.enter(name, myAttr);
// Also, go ahead and record the type for all of these nodes for printing
d.attrRef = myAttr;
}
}
