diff options
Diffstat (limited to 'gcc/ada/debug.adb')
| -rw-r--r-- | gcc/ada/debug.adb | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/gcc/ada/debug.adb b/gcc/ada/debug.adb index 25d08399220..2a812046247 100644 --- a/gcc/ada/debug.adb +++ b/gcc/ada/debug.adb @@ -75,7 +75,7 @@ package body Debug is -- dI Inhibit internal name numbering in gnatG listing -- dJ Prepend subprogram name in messages -- dK Kill all error messages - -- dL Output trace information on elaboration checking + -- dL Ignore external calls from instances for elaboration -- dM Assume all variables are modified (no current values) -- dN No file name information in exception messages -- dO Output immediate error messages @@ -112,7 +112,7 @@ package body Debug is -- d.s Strict secondary stack management -- d.t Disable static allocation of library level dispatch tables -- d.u Enable Modify_Tree_For_C (update tree for c) - -- d.v + -- d.v Enforce SPARK elaboration rules in SPARK code -- d.w Do not check for infinite loops -- d.x No exception handlers -- d.y Disable implicit pragma Elaborate_All on task bodies @@ -414,10 +414,9 @@ package body Debug is -- of all error messages. It is used in regression tests where the -- error messages are target dependent and irrelevant. - -- dL Output trace information on elaboration checking. This debug - -- switch causes output to be generated showing each call or - -- instantiation as it is checked, and the progress of the recursive - -- trace through elaboration calls at compile time. + -- dL The compiler ignores calls in instances and invoke subprograms + -- which are external to the instance for the static elaboration + -- model. This switch is orthogonal to d.G. -- dM Assume all variables have been modified, and ignore current value -- indications. This debug flag disconnects the tracking of constant @@ -601,6 +600,13 @@ package body Debug is -- d.u Sets Modify_Tree_For_C mode in which tree is modified to make it -- easier to generate code using a C compiler. + -- d.v This flag enforces the elaboration rules defined in the SPARK + -- Reference Manual, chapter 7.7, to all SPARK code within a unit. As + -- a result, constructs which violate the rules in chapter 7.7 are no + -- longer accepted, even if the implementation is able to statically + -- ensure that accepting these constructs does not introduce the + -- possibility of failing an elaboration check. + -- d.w This flag turns off the scanning of loops to detect possible -- infinite loops. @@ -664,7 +670,8 @@ package body Debug is -- d.G Previously the compiler ignored calls via generic formal parameters -- when doing the analysis for the static elaboration model. This is -- now fixed, but we provide this debug flag to revert to the previous - -- situation of ignoring such calls to aid in transition. + -- situation of ignoring such calls to aid in transition. This switch + -- is orthogonal to dL. -- d.H Sets ASIS_GNSA_Mode to True. This signals the front end to suppress -- the call to gigi in ASIS_Mode. |