Mercurial > projects > ldc
diff ir/irlandingpad.h @ 320:d772927ca496 trunk
[svn r341] Fix all regressions between [332] and [340]:
- fixed assert on empty catch body
- fixed(?) typedefed classes in catch specification
- fixed assert with catchall
Added some documentation.
| author | ChristianK |
|---|---|
| date | Sat, 05 Jul 2008 13:05:29 +0200 |
| parents | e9c93739bc4c |
| children | d97b017a8aef |
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--- a/ir/irlandingpad.h Sat Jul 05 10:22:56 2008 +0200 +++ b/ir/irlandingpad.h Sat Jul 05 13:05:29 2008 +0200 @@ -7,6 +7,8 @@ #include <deque> #include <stack> +// only to be used within IRLandingPad +// holds information about a single catch or finally struct IRLandingPadInfo { // default constructor for being able to store in a vector @@ -14,7 +16,10 @@ : target(NULL), finallyBody(NULL), catchType(NULL) {} + // constructor for catch IRLandingPadInfo(Catch* catchstmt, llvm::BasicBlock* end); + + // constructor for finally IRLandingPadInfo(Statement* finallystmt); // the target catch bb if this is a catch @@ -28,6 +33,9 @@ ClassDeclaration* catchType; }; + +// holds information about all possible catch and finally actions +// and can emit landing pads to be called from the unwind runtime struct IRLandingPad { IRLandingPad() : catch_var(NULL) {} @@ -36,7 +44,9 @@ // and the ones on the stack. also stores it as invoke target void push(llvm::BasicBlock* inBB); + // add catch information, will be used in next call to push void addCatch(Catch* catchstmt, llvm::BasicBlock* end); + // add finally information, will be used in next call to push void addFinally(Statement* finallystmt); // pops the most recently constructed landing pad bb