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Merge remote-tracking branch 'origin/topic/jsiwek/no-switch-fallthrough'

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* origin/topic/jsiwek/no-switch-fallthrough:
  Add "fallthrough" keyword, require a flow statement to end case blocks.
  Disable automatic case fallthrough in switch stmts.  Addresses #754.

I've added a test for the error case where no break/fallthrough/return
is given.

Closes #754.
This commit is contained in:
Robin Sommer 2013-01-23 14:41:23 -08:00
commit dcd675280e
10 changed files with 154 additions and 27 deletions
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4
src/StmtEnums.h
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@ -16,6 +16,7 @@ typedef enum {
STMT_ADD, STMT_DELETE,
STMT_LIST, STMT_EVENT_BODY_LIST,
STMT_INIT,
STMT_FALLTHROUGH,
STMT_NULL
#define NUM_STMTS (int(STMT_NULL) + 1)
} BroStmtTag;
@ -24,7 +25,8 @@ typedef enum {
FLOW_NEXT, // continue on to next statement
FLOW_LOOP, // go to top of loop
FLOW_BREAK, // break out of loop
FLOW_RETURN // return from function
FLOW_RETURN, // return from function
FLOW_FALLTHROUGH // fall through to next switch case
} stmt_flow_type;
extern const char* stmt_name(BroStmtTag t);