[XEN PATCH 01/13] automation/eclair: consider also hypened fall-through

[Federico Serafini <federico.serafini@xxxxxxxxxxx>]

Update ECLAIR configuration:
- allow to deviate MISRA C Rule 16.3 using different version of
  hypened fall-through;
- search for the comment for 2 lines after the last statement.

Signed-off-by: Federico Serafini <federico.serafini@xxxxxxxxxxx>
---
 automation/eclair_analysis/ECLAIR/deviations.ecl | 2 +-
 docs/misra/deviations.rst                        | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/automation/eclair_analysis/ECLAIR/deviations.ecl 
b/automation/eclair_analysis/ECLAIR/deviations.ecl
index b8f9155267..b99a6b8a92 100644
--- a/automation/eclair_analysis/ECLAIR/deviations.ecl
+++ b/automation/eclair_analysis/ECLAIR/deviations.ecl
@@ -400,7 +400,7 @@ safe."
 -doc_end
 
 -doc_begin="Switch clauses ending with an explicit comment indicating the 
fallthrough intention are safe."
--config=MC3R1.R16.3,reports+={safe, "any_area(end_loc(any_exp(text(^(?s).*/\\* 
[fF]all ?through.? \\*/.*$,0..1))))"}
+-config=MC3R1.R16.3,reports+={safe, "any_area(end_loc(any_exp(text(^(?s).*/\\* 
[fF]all[ -]?through.? \\*/.*$,0..2))))"}
 -doc_end
 
 -doc_begin="Switch statements having a controlling expression of enum type 
deliberately do not have a default case: gcc -Wall enables -Wswitch which warns 
(and breaks the build as we use -Werror) if one of the enum labels is missing 
from the switch."
diff --git a/docs/misra/deviations.rst b/docs/misra/deviations.rst
index 41cdfbe5f5..411e1fed3d 100644
--- a/docs/misra/deviations.rst
+++ b/docs/misra/deviations.rst
@@ -353,6 +353,10 @@ Deviations related to MISRA C:2012 Rules:
        However, the use of such comments in new code is deprecated:
        the pseudo-keyword "fallthrough" shall be used.
      - Tagged as `safe` for ECLAIR. The accepted comments are:
+         - /\* fall-through \*/
+         - /\* fall-through. \*/
+         - /\* Fall-through \*/
+         - /\* Fall-through. \*/
          - /\* fall through \*/
          - /\* fall through. \*/
          - /\* fallthrough \*/
-- 
2.34.1