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implement status is-breakpoint

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This implements `status is-breakpoint` that returns true if the current
shell prompt is displayed in the context of a `breakpoint` command.

This also fixes several bugs. Most notably making `breakpoint` a no-op if
the shell isn't interactive. Also, typing `breakpoint` at an interactive
prompt should be an error rather than creating a new nested debugging
context.

Partial fix for #1310
This commit is contained in:
Kurtis Rader
2017-06-19 21:05:34 -07:00
parent d234a1870b
commit bd299e96b2
15 changed files with 85 additions and 33 deletions
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11
src/proc.cpp
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@@ -88,11 +88,12 @@ void print_jobs(void)
}
#endif
int is_interactive_session = 0;
int is_subshell = 0;
int is_block = 0;
int is_login = 0;
int is_event = 0;
bool is_interactive_session = false;
bool is_subshell = false;
bool is_block = false;
bool is_breakpoint = false;
bool is_login = false;
int is_event = false;
pid_t proc_last_bg_pid = 0;
int job_control_mode = JOB_CONTROL_INTERACTIVE;
int no_exec = 0;