private void writeConstantValue(Value v) throws IOException {
Node node = tool.getDeclarationNode(v);
PhasedUnit pu = tool.getDeclarationUnit(v);
if (pu == null || !(node instanceof Tree.AttributeDeclaration)) {
return;
}
Tree.AttributeDeclaration attribute = (Tree.AttributeDeclaration) node;
Tree.SpecifierOrInitializerExpression specifierExpression =
attribute.getSpecifierOrInitializerExpression();
if (specifierExpression == null || specifierExpression.getExpression() == null) {
return;
}
Token startToken = specifierExpression.getExpression().getToken();
int startLine = startToken.getLine();
int startLinePosition = startToken.getCharPositionInLine();
Token endToken = attribute.getEndToken();
int endLine = endToken.getLine();
int endLinePosition = endToken.getCharPositionInLine();
StringBuilder valueBuilder = new StringBuilder(" ");
BufferedReader sourceCodeReader =
new BufferedReader(new InputStreamReader(pu.getUnitFile().getInputStream()));
try {
int lineIndex = 1;
String line = sourceCodeReader.readLine();
while (line != null) {
if (lineIndex == startLine && lineIndex == endLine) {
valueBuilder.append(line.substring(startLinePosition, endLinePosition));
break;
} else if (lineIndex == startLine) {
valueBuilder.append(line.substring(startLinePosition, line.length()));
} else if (lineIndex > startLine && lineIndex < endLine) {
valueBuilder.append("\n");
valueBuilder.append(line);
} else if (lineIndex == endLine) {
valueBuilder.append("\n");
valueBuilder.append(line.substring(0, endLinePosition));
break;
}
line = sourceCodeReader.readLine();
lineIndex++;
}
} finally {
sourceCodeReader.close();
}
String value = valueBuilder.toString();
int newLineIndex = value.indexOf("\n");
String valueFirstLine = newLineIndex != -1 ? value.substring(0, newLineIndex) : value;
around("span class='specifier-operator'", " = ");
around("span class='specifier-start'", valueFirstLine);
if (newLineIndex != -1) {
around(
"a class='specifier-ellipsis' href='#' title='Click for expand the rest of value.'",
"...");
open("div class='specifier-rest'");
write(value.substring(newLineIndex + 1));
around("span class='specifier-semicolon'", ";");
close("div");
} else {
around("span class='specifier-semicolon'", ";");
}
}
public static String getInitialValueDescription(
final Declaration dec, CeylonParseController cpc) {
if (cpc != null) {
Node refnode = getReferencedNode(dec);
Tree.SpecifierOrInitializerExpression sie = null;
String arrow = null;
if (refnode instanceof Tree.AttributeDeclaration) {
Tree.AttributeDeclaration ad = (Tree.AttributeDeclaration) refnode;
sie = ad.getSpecifierOrInitializerExpression();
arrow = " = ";
} else if (refnode instanceof Tree.MethodDeclaration) {
Tree.MethodDeclaration md = (Tree.MethodDeclaration) refnode;
sie = md.getSpecifierExpression();
arrow = " => ";
}
Tree.CompilationUnit lcu = cpc.getLastCompilationUnit();
if (sie == null) {
class FindInitializerVisitor extends Visitor {
Tree.SpecifierOrInitializerExpression result;
@Override
public void visit(Tree.InitializerParameter that) {
super.visit(that);
Declaration d = that.getParameterModel().getModel();
if (d != null && d.equals(dec)) {
result = that.getSpecifierExpression();
}
}
}
FindInitializerVisitor fiv = new FindInitializerVisitor();
fiv.visit(lcu);
sie = fiv.result;
}
if (sie != null) {
Tree.Expression e = sie.getExpression();
if (e != null) {
Tree.Term term = e.getTerm();
if (term instanceof Tree.Literal) {
String text = term.getToken().getText();
if (text.length() < 20) {
return arrow + text;
}
} else if (term instanceof Tree.BaseMemberOrTypeExpression) {
Tree.BaseMemberOrTypeExpression bme = (Tree.BaseMemberOrTypeExpression) term;
Tree.Identifier id = bme.getIdentifier();
if (id != null && bme.getTypeArguments() == null) {
return arrow + id.getText();
}
} else if (term != null) {
Unit unit = lcu.getUnit();
if (term.getUnit().equals(unit)) {
String impl = Nodes.text(term, cpc.getTokens());
if (impl.length() < 10) {
return arrow + impl;
}
}
}
// don't have the token stream :-/
// TODO: figure out where to get it from!
return arrow + "...";
}
}
}
return "";
}
public void defaultedParameter(Tree.SpecifierOrInitializerExpression d) {
if (annotationConstructor != null) {
AnnotationConstructorParameter annotationConstructorParameter =
instantiation
.getConstructorParameters()
.get(instantiation.getConstructorParameters().size() - 1);
Declaration t = d.getUnit().getTrueValueDeclaration();
Declaration f = d.getUnit().getFalseValueDeclaration();
Term term = d.getExpression().getTerm();
if (term instanceof Tree.InvocationExpression) {
Tree.Primary primary = ((Tree.InvocationExpression) term).getPrimary();
if (primary instanceof Tree.BaseMemberOrTypeExpression
&& (isAnnotationConstructor(
((Tree.BaseMemberOrTypeExpression) primary).getDeclaration())
|| isAnnotationClass(
((Tree.BaseMemberOrTypeExpression) primary).getDeclaration()))) {
final AnnotationInvocation prevInstantiation = this.instantiation;
this.instantiation = new AnnotationInvocation();
if (isAnnotationConstructor(
((Tree.BaseMemberOrTypeExpression) primary).getDeclaration())) {
Method constructor =
(Method) ((Tree.BaseMemberOrTypeExpression) primary).getDeclaration();
instantiation.setConstructorDeclaration(constructor);
instantiation
.getConstructorParameters()
.addAll(
((AnnotationInvocation) constructor.getAnnotationConstructor())
.getConstructorParameters());
}
checkingDefaults = true;
super.visit(d);
annotationConstructorParameter.setDefaultArgument(this.term);
this.term = null;
checkingDefaults = false;
this.instantiation = prevInstantiation;
} else {
errorDefaultedParameter(d);
}
} else if (term instanceof Tree.Literal
|| (term instanceof Tree.BaseMemberExpression
&& (((Tree.BaseMemberExpression) term).getDeclaration().equals(t)
|| ((Tree.BaseMemberExpression) term).getDeclaration().equals(f)
|| ((Tree.BaseMemberExpression) term).getDeclaration().isParameter()
|| Decl.isAnonCaseOfEnumeratedType((Tree.BaseMemberExpression) term)))) {
checkingDefaults = true;
super.visit(d);
annotationConstructorParameter.setDefaultArgument(this.term);
this.term = null;
checkingDefaults = false;
} else if (term instanceof Tree.Tuple || term instanceof Tree.SequenceEnumeration) {
// TODO Tuples and SequenceEnumerations of the above cases should also be allowed
checkingDefaults = true;
super.visit(d);
annotationConstructorParameter.setDefaultArgument(this.term);
this.term = null;
checkingDefaults = false;
} else {
errorDefaultedParameter(d);
}
}
}