8000 Support `ivar_set` TracePoint event by st0012 · Pull Request #13369 · ruby/ruby · GitHub
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Support ivar_set TracePoint event #13369

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Support ivar_set TracePoint event #13369

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8b0f136
Add ivar_set event
st0012 Mar 19, 2025
df0a6ef
Trigger event for direct ivar assignment
st0012 Mar 20, 2025
e772cc5
Trigger event for attr setter assignments
st0012 Mar 20, 2025
8fc09de
Trigger ivar_set when instance_variable_set is called
st0012 Apr 15, 2025
a1b2a84
Add tests
st0012 Apr 17, 2025
3549498
Disable attribute setting call cache when `ivar_set` event is enabled
st0012 May 11, 2025
5ff05f0
Add TP#ivar_name to retrieve ivar's name
st0012 May 18, 2025
b6f0f7f
Make TP#return_value return the value of the ivar set
st0012 Jun 5, 2025
ec7353d
Update tests
st0012 Jun 5, 2025
e493a0a
Avoid unnecessary allocations
st0012 Jun 5, 2025
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Add ivar_set event
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@st0012
st0012 committed Jun 6, 2025
commit 8b0f136c7d447a8d15f1e39e8bcf8c4db3aecb6f
1 change: 1 addition & 0 deletions include/ruby/internal/event.h
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Expand Up @@ -59,6 +59,7 @@
#define RUBY_EVENT_FIBER_SWITCH 0x1000 /**< Encountered a `Fiber#yield`. */
#define RUBY_EVENT_SCRIPT_COMPILED 0x2000 /**< Encountered an `eval`. */
#define RUBY_EVENT_RESCUE 0x4000 /**< Encountered a `rescue` statement. */
#define RUBY_EVENT_IVAR_SET 0x8000 /**< Encountered an ivar set. */
#define RUBY_EVENT_TRACEPOINT_ALL 0xffff /**< Bitmask of extended events. */

/** @} */
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1 change: 1 addition & 0 deletions iseq.h
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Expand Up @@ -90,6 +90,7 @@ ISEQ_ORIGINAL_ISEQ_ALLOC(const rb_iseq_t *iseq, long size)
RUBY_EVENT_B_CALL | \
RUBY_EVENT_B_RETURN | \
RUBY_EVENT_RESCUE | \
RUBY_EVENT_IVAR_SET | \
RUBY_EVENT_COVERAGE_LINE| \
RUBY_EVENT_COVERAGE_BRANCH)

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4 changes: 4 additions & 0 deletions vm_trace.c
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Expand Up @@ -657,6 +657,7 @@ get_event_name(rb_event_flag_t event)
case RUBY_EVENT_C_CALL: return "c-call";
case RUBY_EVENT_C_RETURN: return "c-return";
case RUBY_EVENT_RAISE: return "raise";
case RUBY_EVENT_IVAR_SET: return "ivar_set";
default:
return "unknown";
}
Expand Down Expand Up @@ -684,6 +685,7 @@ get_event_id(rb_event_flag_t event)
C(fiber_switch, FIBER_SWITCH);
C(script_compiled, SCRIPT_COMPILED);
C(rescue, RESCUE);
C(ivar_set, IVAR_SET);
#undef C
default:
return 0;
Expand Down Expand Up @@ -825,6 +827,7 @@ symbol2event_flag(VALUE v)
C(fiber_switch, FIBER_SWITCH);
C(script_compiled, SCRIPT_COMPILED);
C(rescue, RESCUE);
C(ivar_set, IVAR_SET);

/* joke */
C(a 5FC4 _call, A_CALL);
Expand Down Expand Up @@ -943,6 +946,7 @@ rb_tracearg_parameters(rb_trace_arg_t *trace_arg)
}
break;
}
case RUBY_EVENT_IVAR_SET:
case RUBY_EVENT_RAISE:
case RUBY_EVENT_LINE:
case RUBY_EVENT_CLASS:
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0