hush: support "break N" and "continue N"

 fix non-detection of builtins and applets in "v=break; ...; $v; ..." case
 add testsuite entries for the above

function                                             old     new   delta
builtin_break                                         12      93     +81
run_list                                            1948    1971     +23
builtin_continue                                      12      21      +9
pseudo_exec_argv                                     132     138      +6
builtin_exec                                          23      25      +2
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 5/0 up/down: 121/0)             Total: 121 bytes

6 files changed, 18 insertions, 0 deletions

diff --git a/shell/hush_test/hush-misc/break1.right b/shell/hush_test/hush-misc/break1.right
new file mode 100644
index 000000000..04a4b1757
--- /dev/null
+++ b/shell/hush_test/hush-misc/break1.right
@@ -0,0 +1,2 @@
+A
+OK:0
diff --git a/shell/hush_test/hush-misc/break1.tests b/shell/hush_test/hush-misc/break1.tests
new file mode 100755
index 000000000..912f149c1
--- /dev/null
+++ b/shell/hush_test/hush-misc/break1.tests
@@ -0,0 +1,3 @@
+while true; do echo A; break; echo B; done
+echo OK:$?
+
diff --git a/shell/hush_test/hush-misc/break2.right b/shell/hush_test/hush-misc/break2.right
new file mode 100644
index 000000000..8a15cb95f
--- /dev/null
+++ b/shell/hush_test/hush-misc/break2.right
@@ -0,0 +1,3 @@
+A
+AA
+OK:0
diff --git a/shell/hush_test/hush-misc/break2.tests b/shell/hush_test/hush-misc/break2.tests
new file mode 100755
index 000000000..7da9faf34
--- /dev/null
+++ b/shell/hush_test/hush-misc/break2.tests
@@ -0,0 +1,6 @@
+while true; do
+    echo A
+    while true; do echo AA; break 2; echo BB; done
+    echo B
+done
+echo OK:$?
diff --git a/shell/hush_test/hush-misc/break3.right b/shell/hush_test/hush-misc/break3.right
new file mode 100644
index 000000000..04a4b1757
--- /dev/null
+++ b/shell/hush_test/hush-misc/break3.right
@@ -0,0 +1,2 @@
+A
+OK:0
diff --git a/shell/hush_test/hush-misc/break3.tests b/shell/hush_test/hush-misc/break3.tests
new file mode 100755
index 000000000..d138dcac5
--- /dev/null
+++ b/shell/hush_test/hush-misc/break3.tests
@@ -0,0 +1,2 @@
+v=break; while true; do echo A; $v; echo B; break; echo C; done
+echo OK:$?