vendor/c_exception/lib/CException.c in ceedling-0.28.3 vs vendor/c_exception/lib/CException.c in ceedling-0.29.0
- old
+ new
@@ -1,46 +1,46 @@
-#include "CException.h"
-
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wmissing-field-initializers"
-volatile CEXCEPTION_FRAME_T CExceptionFrames[CEXCEPTION_NUM_ID] = {{ 0 }};
-#pragma GCC diagnostic pop
-
-//------------------------------------------------------------------------------------------
-// Throw
-//------------------------------------------------------------------------------------------
-void Throw(CEXCEPTION_T ExceptionID)
-{
- unsigned int MY_ID = CEXCEPTION_GET_ID;
- CExceptionFrames[MY_ID].Exception = ExceptionID;
- if (CExceptionFrames[MY_ID].pFrame)
- {
- longjmp(*CExceptionFrames[MY_ID].pFrame, 1);
- }
- CEXCEPTION_NO_CATCH_HANDLER(ExceptionID);
-}
-
-//------------------------------------------------------------------------------------------
-// Explanation of what it's all for:
-//------------------------------------------------------------------------------------------
-/*
-#define Try
- { <- give us some local scope. most compilers are happy with this
- jmp_buf *PrevFrame, NewFrame; <- prev frame points to the last try block's frame. new frame gets created on stack for this Try block
- unsigned int MY_ID = CEXCEPTION_GET_ID; <- look up this task's id for use in frame array. always 0 if single-tasking
- PrevFrame = CExceptionFrames[CEXCEPTION_GET_ID].pFrame; <- set pointer to point at old frame (which array is currently pointing at)
- CExceptionFrames[MY_ID].pFrame = &NewFrame; <- set array to point at my new frame instead, now
- CExceptionFrames[MY_ID].Exception = CEXCEPTION_NONE; <- initialize my exception id to be NONE
- if (setjmp(NewFrame) == 0) { <- do setjmp. it returns 1 if longjump called, otherwise 0
- if (&PrevFrame) <- this is here to force proper scoping. it requires braces or a single line to be but after Try, otherwise won't compile. This is always true at this point.
-
-#define Catch(e)
- else { } <- this also forces proper scoping. Without this they could stick their own 'else' in and it would get ugly
- CExceptionFrames[MY_ID].Exception = CEXCEPTION_NONE; <- no errors happened, so just set the exception id to NONE (in case it was corrupted)
- }
- else <- an exception occurred
- { e = CExceptionFrames[MY_ID].Exception; e=e;} <- assign the caught exception id to the variable passed in.
- CExceptionFrames[MY_ID].pFrame = PrevFrame; <- make the pointer in the array point at the previous frame again, as if NewFrame never existed.
- } <- finish off that local scope we created to have our own variables
- if (CExceptionFrames[CEXCEPTION_GET_ID].Exception != CEXCEPTION_NONE) <- start the actual 'catch' processing if we have an exception id saved away
- */
-
+#include "CException.h"
+
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wmissing-field-initializers"
+volatile CEXCEPTION_FRAME_T CExceptionFrames[CEXCEPTION_NUM_ID] = {{ 0 }};
+#pragma GCC diagnostic pop
+
+//------------------------------------------------------------------------------------------
+// Throw
+//------------------------------------------------------------------------------------------
+void Throw(CEXCEPTION_T ExceptionID)
+{
+ unsigned int MY_ID = CEXCEPTION_GET_ID;
+ CExceptionFrames[MY_ID].Exception = ExceptionID;
+ if (CExceptionFrames[MY_ID].pFrame)
+ {
+ longjmp(*CExceptionFrames[MY_ID].pFrame, 1);
+ }
+ CEXCEPTION_NO_CATCH_HANDLER(ExceptionID);
+}
+
+//------------------------------------------------------------------------------------------
+// Explanation of what it's all for:
+//------------------------------------------------------------------------------------------
+/*
+#define Try
+ { <- give us some local scope. most compilers are happy with this
+ jmp_buf *PrevFrame, NewFrame; <- prev frame points to the last try block's frame. new frame gets created on stack for this Try block
+ unsigned int MY_ID = CEXCEPTION_GET_ID; <- look up this task's id for use in frame array. always 0 if single-tasking
+ PrevFrame = CExceptionFrames[CEXCEPTION_GET_ID].pFrame; <- set pointer to point at old frame (which array is currently pointing at)
+ CExceptionFrames[MY_ID].pFrame = &NewFrame; <- set array to point at my new frame instead, now
+ CExceptionFrames[MY_ID].Exception = CEXCEPTION_NONE; <- initialize my exception id to be NONE
+ if (setjmp(NewFrame) == 0) { <- do setjmp. it returns 1 if longjump called, otherwise 0
+ if (&PrevFrame) <- this is here to force proper scoping. it requires braces or a single line to be but after Try, otherwise won't compile. This is always true at this point.
+
+#define Catch(e)
+ else { } <- this also forces proper scoping. Without this they could stick their own 'else' in and it would get ugly
+ CExceptionFrames[MY_ID].Exception = CEXCEPTION_NONE; <- no errors happened, so just set the exception id to NONE (in case it was corrupted)
+ }
+ else <- an exception occurred
+ { e = CExceptionFrames[MY_ID].Exception; e=e;} <- assign the caught exception id to the variable passed in.
+ CExceptionFrames[MY_ID].pFrame = PrevFrame; <- make the pointer in the array point at the previous frame again, as if NewFrame never existed.
+ } <- finish off that local scope we created to have our own variables
+ if (CExceptionFrames[CEXCEPTION_GET_ID].Exception != CEXCEPTION_NONE) <- start the actual 'catch' processing if we have an exception id saved away
+ */
+