diff options
Diffstat (limited to 'src/TOUR')
| -rw-r--r-- | src/TOUR | 11 |
1 files changed, 1 insertions, 10 deletions
diff --git a/src/TOUR b/src/TOUR index 4baac62..056e79b 100644 --- a/src/TOUR +++ b/src/TOUR @@ -43,10 +43,6 @@ C source files for entries looking like: back to the main command loop */ } - SHELLPROC { - x = 3; /* executed when the shell runs a shell procedure */ - } - It pulls this code out into routines which are when particular events occur. The intent is to improve modularity by isolating the information about which modules need to be explicitly @@ -79,12 +75,7 @@ EXCEPTIONS: Code for dealing with exceptions appears in exceptions.c. The C language doesn't include exception handling, so I implement it using setjmp and longjmp. The global variable exception contains the type of exception. EXERROR is raised by -calling error. EXINT is an interrupt. EXSHELLPROC is an excep- -tion which is raised when a shell procedure is invoked. The pur- -pose of EXSHELLPROC is to perform the cleanup actions associated -with other exceptions. After these cleanup actions, the shell -can interpret a shell procedure itself without exec'ing a new -copy of the shell. +calling error. EXINT is an interrupt. INTERRUPTS: In an interactive shell, an interrupt will cause an EXINT exception to return to the main command loop. (Exception: |