public void TestBalanceSkip()
{
// skip
JavaCodeParser parser1 = new JavaCodeParser("simple;D");
parser1.SkipToIfBalanced(';');
Assert.AreEqual(';', parser1.Char);
Assert.AreEqual('D', parser1.Next());
JavaCodeParser parser2 = new JavaCodeParser("find ( ;semicolon {[ ( ; ) ; ]} ; keep looking ) ;-)");
parser2.SkipToIfBalanced(';');
Assert.AreEqual(';', parser2.Char);
Assert.AreEqual('-', parser2.Next());
Assert.AreEqual(')', parser2.Next());
JavaCodeParser parser3 = new JavaCodeParser("nope");
parser3.SkipToIfBalanced(';');
Assert.AreEqual('n', parser3.Char);
JavaCodeParser parser4 = new JavaCodeParser("cannot find (;;;)");
parser4.SkipToIfBalanced(';');
Assert.AreEqual('c', parser4.Char);
JavaCodeParser parser5 = new JavaCodeParser("( invalid [ balance ) ] ;");
parser5.SkipToIfBalanced(';');
Assert.AreEqual('(', parser5.Char);
// read
JavaCodeParser parser6 = new JavaCodeParser("these (are) contents; abc");
JavaCodeParser readBlock6 = parser6.ReadToIfBalanced(';');
Assert.AreEqual("these (are) contents", readBlock6.Contents);
Assert.AreEqual(';', parser6.Char);
JavaCodeParser parser7 = new JavaCodeParser("cannot find");
Assert.AreEqual(string.Empty, parser7.ReadToIfBalanced(';').Contents);
}
public void TestAnnotations()
{
Annotation? annotation1 = new JavaCodeParser("@SimpleAnnotation").ReadAnnotation();
Assert.IsTrue(annotation1.HasValue);
Assert.AreEqual("SimpleAnnotation", annotation1.Value.SimpleName);
Annotation? annotation2 = new JavaCodeParser("@ AnnotationWithSpace ").ReadAnnotation();
Assert.IsTrue(annotation2.HasValue);
Assert.AreEqual("AnnotationWithSpace", annotation2.Value.SimpleName);
Annotation? annotation3 = new JavaCodeParser("@full.name.Annotation").ReadAnnotation();
Assert.IsTrue(annotation3.HasValue);
Assert.AreEqual("Annotation", annotation3.Value.SimpleName);
Annotation? annotation4 = new JavaCodeParser("@AnnotationWithArguments(var = true, other = 15)").ReadAnnotation();
Assert.IsTrue(annotation4.HasValue);
Assert.AreEqual("AnnotationWithArguments", annotation4.Value.SimpleName);
Annotation? annotation5 = new JavaCodeParser("@ all.Combined (var = '') ").ReadAnnotation();
Assert.IsTrue(annotation5.HasValue);
Assert.AreEqual("Combined", annotation5.Value.SimpleName);
Annotation? annotation6 = new JavaCodeParser("Invalid").ReadAnnotation();
Assert.IsFalse(annotation6.HasValue);
Annotation? annotation7 = new JavaCodeParser("@").ReadAnnotation();
Assert.IsFalse(annotation7.HasValue);
Annotation? annotation8 = new JavaCodeParser("@123").ReadAnnotation();
Assert.IsFalse(annotation8.HasValue);
}
private static void ReadPackage(JavaCodeParser parser, JavaFileInfo info)
{
parser.SkipSpaces();
parser.SkipReadAnnotationList();
parser.SkipSpaces();
info.Package = parser.ReadPackageDeclaration();
}
private static void ReadImportList(JavaCodeParser parser, JavaFileInfo info)
{
while (true)
{
parser.SkipSpaces();
Import?import = parser.ReadImportDeclaration();
if (!import.HasValue)
{
break;
}
info.Imports.Add(import.Value);
}
}
public JavaFileInfo Process(File file)
{
JavaFileInfo info = new JavaFileInfo();
fileInfo.Add(file, info);
JavaCodeParser parser = new JavaCodeParser(JavaParseUtils.PrepareCodeFile(file.Contents));
parser.AnnotationCallback += IncrementAnnotation;
parser.CodeBlockCallback += blockParser => ReadCodeBlock(blockParser, GlobalInfo);
ReadPackage(parser, info);
ReadImportList(parser, info);
ReadTopLevelTypes(parser, info);
UpdateLocalData(info);
return info;
}
public JavaFileInfo Process(File file)
{
JavaFileInfo info = new JavaFileInfo();
fileInfo.Add(file, info);
JavaCodeParser parser = new JavaCodeParser(JavaParseUtils.PrepareCodeFile(file.Contents));
parser.AnnotationCallback += IncrementAnnotation;
parser.CodeBlockCallback += blockParser => ReadCodeBlock(blockParser, GlobalInfo);
ReadPackage(parser, info);
ReadImportList(parser, info);
ReadTopLevelTypes(parser, info);
UpdateLocalData(info);
return(info);
}
private static void ReadTopLevelTypes(JavaCodeParser parser, JavaFileInfo info)
{
while (true)
{
parser.SkipSpaces();
if (parser.IsEOF)
{
break;
}
Type type = parser.ReadType();
if (type != null)
{
info.Types.Add(type);
}
else
{
break;
}
}
}
private static void ReadCodeBlock(JavaCodeBlockParser blockParser, JavaGlobalInfo info)
{
string keyword;
while((keyword = blockParser.ReadNextKeywordSkip()).Length > 0){
switch(keyword){
case "do":
ReadCodeBlock((JavaCodeBlockParser)blockParser.ReadBlock('{', '}'), info);
if (blockParser.ReadNextKeywordSkip() != "while"){
blockParser.RevertKeywordSkip(); // should not happen
}
++info.Statements[FlowStatement.DoWhile];
break;
case "while":
++info.Statements[FlowStatement.While];
break;
case "for":
JavaCodeBlockParser cycleDeclBlock = (JavaCodeBlockParser)blockParser.ReadBlock('(', ')');
ReadCodeBlock(cycleDeclBlock, info);
JavaCodeParser cycleDeclParser = new JavaCodeParser(cycleDeclBlock.Contents);
cycleDeclParser.ReadTypeOf(false);
cycleDeclParser.SkipSpaces().ReadIdentifier();
++info.Statements[cycleDeclParser.SkipSpaces().Char == ':' ? FlowStatement.EnhancedFor : FlowStatement.For];
break;
case "switch":
JavaCodeBlockParser switchBlock = (JavaCodeBlockParser)blockParser.ReadBlock('{', '}');
ReadCodeBlock(switchBlock, info);
switchBlock.Reset();
string switchKeyword;
int cases = 0;
while((switchKeyword = switchBlock.ReadNextKeywordSkip()).Length > 0){
if (switchKeyword == "switch"){
switchBlock.SkipBlock('{', '}');
}
else if (switchKeyword == "case"){
++info.Statements[FlowStatement.SwitchCase];
++cases;
}
else if (switchKeyword == "default"){
++info.Statements[FlowStatement.SwitchDefault]; // TODO count as a case?
}
}
if (cases < info.MinSwitchCases)info.MinSwitchCases = cases;
if (cases > info.MaxSwitchCases)info.MaxSwitchCases = cases;
++info.Statements[FlowStatement.Switch];
break;
case "try":
bool isTryWithResources = blockParser.SkipSpaces().Char == '(';
ReadCodeBlock((JavaCodeBlockParser)blockParser.ReadBlock('{', '}'), info);
string tryKeyword;
int catches = 0;
while((tryKeyword = blockParser.ReadNextKeywordSkip()).Length > 0){
if (tryKeyword == "catch"){
++info.Statements[FlowStatement.Catch];
++catches;
}
else if (tryKeyword == "finally"){
++info.Statements[FlowStatement.Finally];
if (isTryWithResources)++info.TryWithResourcesWithFinally;
else ++info.TryCatchWithFinally;
}
else if (tryKeyword != "try"){
blockParser.RevertKeywordSkip();
break;
}
ReadCodeBlock((JavaCodeBlockParser)blockParser.ReadBlock('{', '}'), info);
}
if (catches < info.MinCatchBlocks)info.MinCatchBlocks = catches;
if (catches > info.MaxCatchBlocks)info.MaxCatchBlocks = catches;
++info.Statements[isTryWithResources ? FlowStatement.TryWithResources : FlowStatement.TryCatch];
++info.Statements[FlowStatement.Try];
break;
case "if":
++info.Statements[FlowStatement.If];
break;
case "else":
++info.Statements[FlowStatement.Else];
if (blockParser.ReadNextKeywordSkip() != "if"){
blockParser.RevertKeywordSkip();
}
break;
case "return":
++info.Statements[FlowStatement.Return];
break;
case "continue":
++info.Statements[FlowStatement.Continue];
break;
case "break":
++info.Statements[FlowStatement.Break];
break;
}
}
}
private static void ReadTopLevelTypes(JavaCodeParser parser, JavaFileInfo info)
{
while(true){
parser.SkipSpaces();
if (parser.IsEOF)break;
Type type = parser.ReadType();
if (type != null)info.Types.Add(type);
else break;
}
}
private static void ReadPackage(JavaCodeParser parser, JavaFileInfo info)
{
parser.SkipSpaces();
parser.SkipReadAnnotationList();
parser.SkipSpaces();
info.Package = parser.ReadPackageDeclaration();
}
private static void ReadImportList(JavaCodeParser parser, JavaFileInfo info)
{
while(true){
parser.SkipSpaces();
Import? import = parser.ReadImportDeclaration();
if (!import.HasValue)break;
info.Imports.Add(import.Value);
}
}
private static void ReadCodeBlock(JavaCodeBlockParser blockParser, JavaGlobalInfo info)
{
string keyword;
while ((keyword = blockParser.ReadNextKeywordSkip()).Length > 0)
{
switch (keyword)
{
case "do":
ReadCodeBlock((JavaCodeBlockParser)blockParser.ReadBlock('{', '}'), info);
if (blockParser.ReadNextKeywordSkip() != "while")
{
blockParser.RevertKeywordSkip(); // should not happen
}
++info.Statements[FlowStatement.DoWhile];
break;
case "while":
++info.Statements[FlowStatement.While];
break;
case "for":
JavaCodeBlockParser cycleDeclBlock = (JavaCodeBlockParser)blockParser.ReadBlock('(', ')');
ReadCodeBlock(cycleDeclBlock, info);
JavaCodeParser cycleDeclParser = new JavaCodeParser(cycleDeclBlock.Contents);
cycleDeclParser.ReadTypeOf(false);
cycleDeclParser.SkipSpaces().ReadIdentifier();
++info.Statements[cycleDeclParser.SkipSpaces().Char == ':' ? FlowStatement.EnhancedFor : FlowStatement.For];
break;
case "switch":
JavaCodeBlockParser switchBlock = (JavaCodeBlockParser)blockParser.ReadBlock('{', '}');
ReadCodeBlock(switchBlock, info);
switchBlock.Reset();
string switchKeyword;
int cases = 0;
while ((switchKeyword = switchBlock.ReadNextKeywordSkip()).Length > 0)
{
if (switchKeyword == "switch")
{
switchBlock.SkipBlock('{', '}');
}
else if (switchKeyword == "case")
{
++info.Statements[FlowStatement.SwitchCase];
++cases;
}
else if (switchKeyword == "default")
{
++info.Statements[FlowStatement.SwitchDefault]; // TODO count as a case?
}
}
if (cases < info.MinSwitchCases)
{
info.MinSwitchCases = cases;
}
if (cases > info.MaxSwitchCases)
{
info.MaxSwitchCases = cases;
}
++info.Statements[FlowStatement.Switch];
break;
case "try":
bool isTryWithResources = blockParser.SkipSpaces().Char == '(';
ReadCodeBlock((JavaCodeBlockParser)blockParser.ReadBlock('{', '}'), info);
string tryKeyword;
int catches = 0;
while ((tryKeyword = blockParser.ReadNextKeywordSkip()).Length > 0)
{
if (tryKeyword == "catch")
{
++info.Statements[FlowStatement.Catch];
++catches;
}
else if (tryKeyword == "finally")
{
++info.Statements[FlowStatement.Finally];
if (isTryWithResources)
{
++info.TryWithResourcesWithFinally;
}
else
{
++info.TryCatchWithFinally;
}
}
else if (tryKeyword != "try")
{
blockParser.RevertKeywordSkip();
break;
}
ReadCodeBlock((JavaCodeBlockParser)blockParser.ReadBlock('{', '}'), info);
}
if (catches < info.MinCatchBlocks)
{
info.MinCatchBlocks = catches;
}
if (catches > info.MaxCatchBlocks)
{
info.MaxCatchBlocks = catches;
}
++info.Statements[isTryWithResources ? FlowStatement.TryWithResources : FlowStatement.TryCatch];
++info.Statements[FlowStatement.Try];
break;
case "if":
++info.Statements[FlowStatement.If];
break;
case "else":
++info.Statements[FlowStatement.Else];
if (blockParser.ReadNextKeywordSkip() != "if")
{
blockParser.RevertKeywordSkip();
}
break;
case "return":
++info.Statements[FlowStatement.Return];
break;
case "continue":
++info.Statements[FlowStatement.Continue];
break;
case "break":
++info.Statements[FlowStatement.Break];
break;
}
}
}
/// <summary>
/// Recursively reads all members of a Type, including all nested Types. Called on a cloned JavaCodeParser that only
/// contains contents of the Type block.
/// </summary>
private void ReadTypeContents(Type type)
{
// enum values
if (type.Declaration == Type.DeclarationType.Enum){
Type.DataEnum enumData = type.GetData<Type.DataEnum>();
JavaCodeParser enumParser = ReadToIfBalanced(';');
if (enumParser.Contents.Length == 0)enumParser = this;
foreach(string enumValue in enumParser.ReadEnumValueList()){
enumData.EnumValues.Add(enumValue);
}
if (Char == ';')Skip();
}
// members
int skippedMembers = 0;
while(!IsEOF && skippedMembers < 50){
Member memberInfo = SkipReadMemberInfo(); // skips spaces at the beginning and end
// nested types
Type.DeclarationType? declaration = ReadTypeDeclaration();
if (declaration.HasValue){
string identifier = SkipSpaces().ReadIdentifier();
if (identifier.Length == 0)break; // error, break out
Type nestedType = new Type(declaration.Value, identifier, memberInfo);
((JavaCodeParser)SkipTo('{').ReadBlock('{', '}')).ReadTypeContents(nestedType);
SkipSpacesAndSemicolons();
type.NestedTypes.Add(nestedType);
continue;
}
// static / instance initializer
if (Char == '{'){
Method method = new Method(memberInfo.Modifiers.HasFlag(Modifiers.Static) ? "<clinit>" : "<init>", TypeOf.Void(), memberInfo);
SkipProcessCodeBlock();
type.GetData().Methods.Add(method);
continue;
}
// fields and methods
TypeOf? returnOrFieldType = ReadTypeOf(false);
if (returnOrFieldType.HasValue){
int prevCursor = cursor;
string identifier = SkipSpaces().ReadIdentifier();
if (identifier.Length == 0 && string.Equals(returnOrFieldType.Value.AsSimpleType(), type.Identifier)){ // constructor
identifier = Method.ConstructorIdentifier;
returnOrFieldType = TypeOf.Void();
}
if (identifier.Length == 0)break; // error, break out
if (SkipSpaces().Char == '('){ // method
List<TypeOf> parameterList = ((JavaCodeParser)ReadBlock('(', ')')).ReadMethodParameterList();
if (type.Declaration == Type.DeclarationType.Annotation){
if (SkipSpaces().SkipIfMatch("default^n")){
memberInfo = new Member(memberInfo, memberInfo.Modifiers | Modifiers.Default);
SkipTo(';');
}
}
else{
if (SkipSpaces().SkipIfMatch("throws^s")){
while(true){
ReadFullTypeName();
if (SkipSpaces().Char == ',')Skip().SkipSpaces();
else break;
}
}
}
if (Char == ';')Skip();
else{
SkipProcessCodeBlock();
SkipSpacesAndSemicolons();
}
type.GetData().Methods.Add(new Method(identifier, returnOrFieldType.Value, parameterList, type.GetData().UpdateMethodInfo(memberInfo)));
}
else{ // field
Type.TypeData data = type.GetData();
cursor = prevCursor;
foreach(string fieldIdentifier in ReadToIfBalanced(';').ReadFieldIdentifierList()){
data.Fields.Add(new Field(fieldIdentifier, returnOrFieldType.Value, data.UpdateFieldInfo(memberInfo)));
}
Skip();
}
continue;
}
// extra checks before the skip
if (Char == ';'){
Skip();
continue;
}
if (IsEOF)break;
// skip
if (skippedMembers == 0){
System.Diagnostics.Debugger.Break();
}
SkipBlock('{', '}');
SkipSpacesAndSemicolons();
++skippedMembers;
}
}
