@Override
public void visit(Tree.AssignOp that) {
Tree.Term lt = that.getLeftTerm();
if (isEffectivelyBaseMemberExpression(lt)) {
Tree.StaticMemberOrTypeExpression m = (Tree.StaticMemberOrTypeExpression) lt;
// Declaration member = getTypedDeclaration(m.getScope(),
// name(m.getIdentifier()), null, false, m.getUnit());
Declaration member = m.getDeclaration();
if (member == declaration) {
if (that.getRightTerm() != null) {
that.getRightTerm().visit(this);
}
checkVariable(lt, that);
specify();
lt.visit(this);
} else {
super.visit(that);
}
}
}
@Override
public void visit(Tree.SpecifierStatement that) {
Tree.Term term = that.getBaseMemberExpression();
boolean parameterized = false;
while (term instanceof Tree.ParameterizedExpression) {
Tree.ParameterizedExpression pe = (Tree.ParameterizedExpression) term;
term = pe.getPrimary();
parameterized = true;
}
if (term instanceof Tree.StaticMemberOrTypeExpression) {
Tree.StaticMemberOrTypeExpression bme = (Tree.StaticMemberOrTypeExpression) term;
// Declaration member = getTypedDeclaration(bme.getScope(),
// name(bme.getIdentifier()), null, false, bme.getUnit());
Declaration member = bme.getDeclaration();
if (member == declaration) {
if ((declaration.isFormal() || declaration.isDefault()) && !isForwardReferenceable()) {
// TODO: is this error correct?! look at the condition above
bme.addError(
"member is formal and may not be specified: '"
+ member.getName()
+ "' is declared formal");
}
if (that.getRefinement()) {
declare();
}
Tree.SpecifierExpression se = that.getSpecifierExpression();
boolean lazy = se instanceof Tree.LazySpecifierExpression;
if (declaration instanceof Value) {
Value value = (Value) declaration;
if (!value.isVariable() && lazy != value.isTransient()) {
// check that all assignments to a non-variable, in
// different paths of execution, all use the same
// kind of specifier, all =>, or all =
// TODO: sometimes this error appears only because
// of a later line which illegally reassigns
se.addError(
"value must be specified using => lazy specifier: '" + member.getName() + "'");
}
if (lazy) {
if (value.isVariable()) {
se.addError(
"variable value may not be specified using => lazy specifier: '"
+ member.getName()
+ "'");
} else if (value.isLate()) {
se.addError(
"late reference may not be specified using => lazy specifier: '"
+ member.getName()
+ "'");
}
}
}
if (!lazy || !parameterized) {
se.visit(this);
}
boolean constant = !isVariable() && !isLate();
Scope scope = that.getScope();
if (constant && !declaration.isDefinedInScope(scope)) {
// this error is added by ExpressionVisitor
// that.addError("inherited member is not variable and may not be
// specified here: '" +
// member.getName() + "'");
} else if (!declared && constant) {
bme.addError(shortdesc() + " is not yet declared: '" + member.getName() + "'");
} else if (inLoop && constant && !(endsInBreakReturnThrow && lastContinue == null)) {
if (specified.definitely) {
bme.addError(
longdesc() + " is aready definitely specified: '" + member.getName() + "'", 803);
} else {
bme.addError(
longdesc() + " is not definitely unspecified in loop: '" + member.getName() + "'",
803);
}
} else if (withinDeclaration && constant && !that.getRefinement()) {
Declaration dec = getContainingDeclarationOfScope(scope);
if (dec != null && dec.equals(member)) {
bme.addError(
"cannot specify "
+ shortdesc()
+ " from within its own body: '"
+ member.getName()
+ "'");
} else {
bme.addError(
"cannot specify "
+ shortdesc()
+ " declared in outer scope: '"
+ member.getName()
+ "'",
803);
}
} else if (specified.possibly && constant) {
if (specified.definitely) {
bme.addError(
longdesc() + " is aready definitely specified: '" + member.getName() + "'", 803);
} else {
bme.addError(
longdesc() + " is not definitely unspecified: '" + member.getName() + "'", 803);
}
} else {
specify();
term.visit(this);
}
if (lazy && parameterized) {
se.visit(this);
}
} else {
super.visit(that);
}
} else {
super.visit(that);
}
}
private void extractExpressionInFile(TextChange tfc) throws CoreException {
tfc.setEdit(new MultiTextEdit());
IDocument doc = tfc.getCurrentDocument(null);
Tree.Term term = (Tree.Term) node;
Integer start = term.getStartIndex();
int length = term.getStopIndex() - start + 1;
String exp = toString(term);
FindContainerVisitor fsv = new FindContainerVisitor(term);
rootNode.visit(fsv);
Tree.Declaration decNode = fsv.getDeclaration();
/*if (decNode instanceof Tree.Declaration) {
Tree.AnnotationList anns = ((Tree.Declaration) decNode).getAnnotationList();
if (anns!=null && !anns.getAnnotations().isEmpty()) {
decNode = anns.getAnnotations().get(0);
}
}*/
Declaration dec = decNode.getDeclarationModel();
FindLocalReferencesVisitor flrv = new FindLocalReferencesVisitor(dec);
term.visit(flrv);
List<TypeDeclaration> localTypes = new ArrayList<TypeDeclaration>();
for (Tree.BaseMemberExpression bme : flrv.getLocalReferences()) {
addLocalType(dec, bme.getTypeModel(), localTypes, new ArrayList<ProducedType>());
}
String params = "";
String args = "";
if (!flrv.getLocalReferences().isEmpty()) {
for (Tree.BaseMemberExpression bme : flrv.getLocalReferences()) {
params +=
bme.getTypeModel().getProducedTypeName() + " " + bme.getIdentifier().getText() + ", ";
args += bme.getIdentifier().getText() + ", ";
}
params = params.substring(0, params.length() - 2);
args = args.substring(0, args.length() - 2);
}
String indent = "\n" + getIndent(decNode, doc);
String extraIndent = indent + getDefaultIndent();
String typeParams = "";
String constraints = "";
if (!localTypes.isEmpty()) {
for (TypeDeclaration t : localTypes) {
typeParams += t.getName() + ", ";
if (!t.getSatisfiedTypes().isEmpty()) {
constraints += extraIndent + getDefaultIndent() + "given " + t.getName() + " satisfies ";
for (ProducedType pt : t.getSatisfiedTypes()) {
constraints += pt.getProducedTypeName() + "&";
}
constraints = constraints.substring(0, constraints.length() - 1);
}
}
typeParams = "<" + typeParams.substring(0, typeParams.length() - 2) + ">";
}
String type;
String ending;
if ("Void".equals(term.getTypeModel().getProducedTypeName())) {
type = "void";
ending = "";
} else {
type =
explicitType || dec.isToplevel() ? term.getTypeModel().getProducedTypeName() : "function";
ending = "return ";
}
tfc.addEdit(
new InsertEdit(
decNode.getStartIndex(),
type
+ " "
+ newName
+ typeParams
+ "("
+ params
+ ")"
+ constraints
+ " {"
+ extraIndent
+ ending
+ exp
+ ";"
+ indent
+ "}"
+ indent
+ indent));
tfc.addEdit(new ReplaceEdit(start, length, newName + "(" + args + ")"));
}