private Expression createExpression(Element element) {
String kind = element.getAttribute("kind");
if (kind.equals("Unary")) {
UnaryExpression expr = IrFactory.eINSTANCE.createUnaryExpression();
expr.setId(element.getAttribute("id"));
doAnnotations(expr, element);
expr.setContext((Scope) findIrObject(element.getAttribute("context-scope")));
expr.setOperator(UtilIR.unmarshall(element.getAttribute("operator")));
expr.setOperand(createExpression(getChild(element, "Expr")));
// expr.setType(createType(getChild(element, "Type")));
return expr;
} else if (kind.equals("Binary")) {
BinaryExpression expr = IrFactory.eINSTANCE.createBinaryExpression();
expr.setId(element.getAttribute("id"));
doAnnotations(expr, element);
expr.setContext((Scope) findIrObject(element.getAttribute("context-scope")));
expr.setOperator(UtilIR.unmarshall(element.getAttribute("operator")));
List<Element> operands = getChildren(element, "Expr");
expr.setOperand1(createExpression(operands.get(0)));
expr.setOperand2(createExpression(operands.get(1)));
// expr.setType(createType(getChild(element, "Type")));
return expr;
} else if (kind.equals("Call")) {
FunctionCall expr = IrFactory.eINSTANCE.createFunctionCall();
expr.setId(element.getAttribute("id"));
doAnnotations(expr, element);
expr.setContext((Scope) findIrObject(element.getAttribute("context-scope")));
expr.setFunction(createExpression(getChild(element, "Expr")));
List<Element> args = getChildren(getChild(element, "Args"), "Expr");
for (Element arg : args) {
expr.getParameters().add(createExpression(arg));
}
// expr.setType(createType(getChild(element, "Type")));
return expr;
} else if (kind.equals("Construction")) {
TypeConstructorCall expr = IrFactory.eINSTANCE.createTypeConstructorCall();
expr.setId(element.getAttribute("id"));
doAnnotations(expr, element);
expr.setName(element.getAttribute("name"));
expr.setContext((Scope) findIrObject(element.getAttribute("context-scope")));
expr.setTypedef((Declaration) findIrObject(element.getAttribute("typedef-id")));
List<Element> args = getChildren(getChild(element, "Args"), "Expr");
for (Element arg : args) {
expr.getParameters().add(createExpression(arg));
}
// expr.setType(createType(getChild(element, "Type")));
return expr;
} else if (kind.equals("If")) {
IfExpression expr = IrFactory.eINSTANCE.createIfExpression();
expr.setId(element.getAttribute("id"));
doAnnotations(expr, element);
expr.setContext((Scope) findIrObject(element.getAttribute("context-scope")));
List<Element> exprs = getChildren(element, "Expr");
expr.setCondition(createExpression(exprs.get(0)));
expr.setThenExpression(createExpression(exprs.get(1)));
expr.setElseExpression(createExpression(exprs.get(2)));
// expr.setType(createType(getChild(element, "Type")));
return expr;
} else if (kind.equals("Var")) {
VariableExpression expr = IrFactory.eINSTANCE.createVariableExpression();
expr.setId(element.getAttribute("id"));
doAnnotations(expr, element);
Element child = getChild(element, "Type");
if (child != null) {
expr.setType(createType(child));
}
expr.setContext((Scope) findIrObject(element.getAttribute("context-scope")));
expr.setVariable((Declaration) findIrObject(element.getAttribute("decl-id")));
Element indices = getChild(element, "Indices");
if (indices != null) {
for (Element index : getChildren(indices, "Expr")) {
expr.getIndex().add(createExpression(index));
}
}
Element members = getChild(element, "Members");
if (members != null) {
for (Element member : getChildren(members, "Member")) {
expr.getMember().add(createMember(member));
}
}
return expr;
} else if (kind.equals("Lambda")) {
LambdaExpression expr = IrFactory.eINSTANCE.createLambdaExpression();
String id = element.getAttribute("id");
expr.setId(id);
doAnnotations(expr, element);
addIrObject(id, expr);
expr.setContext((Scope) findIrObject(element.getAttribute("context-scope")));
expr.setOuter((Scope) findIrObject(element.getAttribute("outer-scope")));
expr.setType(createType(getChild(element, "Type")));
List<Element> declarations = getChildren(element, "Decl");
for (Element e : declarations) {
Declaration var = (Declaration) createDeclaration(e);
expr.getDeclarations().add(var);
if (var instanceof Variable && ((Variable) var).isParameter())
expr.getParameters().add((Variable) var);
}
expr.setBody(createExpression(getChild(element, "Expr")));
return expr;
} else if (kind.equals("Proc")) {
ProcExpression expr = IrFactory.eINSTANCE.createProcExpression();
String id = element.getAttribute("id");
expr.setId(id);
doAnnotations(expr, element);
addIrObject(id, expr);
expr.setContext((Scope) findIrObject(element.getAttribute("context-scope")));
expr.setOuter((Scope) findIrObject(element.getAttribute("outer-scope")));
expr.setType(createType(getChild(element, "Type")));
List<Element> declarations = getChildren(element, "Decl");
for (Element e : declarations) {
Declaration var = (Declaration) createDeclaration(e);
expr.getDeclarations().add(var);
if (var instanceof Variable && ((Variable) var).isParameter())
expr.getParameters().add((Variable) var);
}
expr.setBody((Block) createStatement(getChild(element, "Stmt")));
return expr;
} else if (kind.equals("List")) {
ListExpression expr = IrFactory.eINSTANCE.createListExpression();
expr.setId(element.getAttribute("id"));
doAnnotations(expr, element);
expr.setContext((Scope) findIrObject(element.getAttribute("context-scope")));
List<Element> generators = getChildren(element, "Generator");
for (Element g : generators) {
expr.getGenerators().add(createGenerator(g));
}
List<Element> exprs = getChildren(element, "Expr");
for (Element e : exprs) {
expr.getExpressions().add(createExpression(e));
}
// expr.setType(createType(getChild(element, "Type")));
return expr;
} else if (kind.equals("literal-integer")) {
IntegerLiteral expr = IrFactory.eINSTANCE.createIntegerLiteral();
String value = element.getAttribute("value");
expr.setValue(Long.parseLong(value));
expr.setType(TypeSystem.createTypeInt());
return expr;
} else if (kind.equals("literal-float")) {
FloatLiteral expr = IrFactory.eINSTANCE.createFloatLiteral();
String value = element.getAttribute("value");
expr.setValue(Double.parseDouble(value));
expr.setType(TypeSystem.createTypeFloat());
return expr;
} else if (kind.equals("literal-bool")) {
BooleanLiteral expr = IrFactory.eINSTANCE.createBooleanLiteral();
String value = element.getAttribute("value");
expr.setValue(Boolean.parseBoolean(value));
expr.setType(TypeSystem.createTypeBool());
return expr;
} else if (kind.equals("literal-string")) {
StringLiteral expr = IrFactory.eINSTANCE.createStringLiteral();
String value = element.getAttribute("value");
expr.setValue(value);
expr.setType(TypeSystem.createTypeString());
return expr;
}
assert (false);
return null;
}
private Type createType(Element element) {
String kind = element.getAttribute("kind");
if (kind.equals("int")) {
TypeInt type = TypeSystem.createTypeInt();
List<Element> expressions = getChildren(element, "Expr");
if (expressions.size() > 0) {
Expression size = createExpression(expressions.get(0));
type.setSize(size);
}
return type;
} else if (kind.equals("uint")) {
TypeUint type = TypeSystem.createTypeUint();
List<Element> expressions = getChildren(element, "Expr");
if (expressions.size() > 0) {
Expression size = createExpression(expressions.get(0));
type.setSize(size);
}
return type;
} else if (kind.equals("bool")) {
return TypeSystem.createTypeBool();
} else if (kind.equals("float")) {
return TypeSystem.createTypeFloat();
} else if (kind.equals("string")) {
return TypeSystem.createTypeString();
} else if (kind.equals("List")) {
Expression size = null;
Element sizeElement = getChild(element, "Expr");
if (sizeElement != null) {
size = createExpression(sizeElement);
}
List<Element> types = getChildren(element, "Type");
Type type = createType(types.get(0));
return TypeSystem.createTypeList(size, type);
} else if (kind.equals("user")) {
Declaration typeDeclaration =
(Declaration) findIrObject(element.getAttribute("type-declaration-id"));
return TypeSystem.createTypeUser(typeDeclaration);
} else if (kind.equals("record")) {
TypeRecord typeRecord = IrFactory.eINSTANCE.createTypeRecord();
String id = element.getAttribute("id");
typeRecord.setId(id);
doAnnotations(typeRecord, element);
List<Element> members = getChildren(element, "Decl");
for (Element member : members) {
Variable m = (Variable) createDeclaration(member);
typeRecord.getMembers().add(m);
}
addIrObject(id, typeRecord);
return typeRecord;
} else if (kind.equals("lambda")) {
TypeLambda type = IrFactory.eINSTANCE.createTypeLambda();
Element input = getChild(element, "Input");
for (Element e : getChildren(input, "Type")) {
type.getInputTypes().add(createType(e));
}
Element output = getChild(element, "Output");
if (output != null) {
type.setOutputType(createType(getChild(output, "Type")));
}
return type;
} else if (kind.equals("proc")) {
TypeProc type = IrFactory.eINSTANCE.createTypeProc();
Element input = getChild(element, "Input");
for (Element e : getChildren(input, "Type")) {
type.getInputTypes().add(createType(e));
}
Element output = getChild(element, "Output");
if (output != null) {
for (Element e : getChildren(input, "Type")) {
type.getOutputTypes().add(createType(e));
}
}
return type;
} else if (kind.equals("actor")) {
String name = element.getAttribute("name");
String namespace = element.getAttribute("namespace");
return TypeSystem.createTypeActor(name, Util.unpackQualifiedName(namespace));
} else if (kind.equals("undef")) {
return TypeSystem.createTypeUndef();
}
assert (false);
return null;
}