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 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;
}
}
}