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enable VM tracing in user code via {.define(nimVmTrace).} (#18244)

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* enable VM tracing in user code via  `{.define(nimVmTrace).}`

* add vmutils.vmTrace

* add vmTrace
This commit is contained in:
Timothee Cour
2021-06-24 02:55:31 -07:00
committed by GitHub
parent 0c8d3ae985
commit 565e07a993
6 changed files with 53 additions and 2 deletions
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31
tests/stdlib/tvmutils.nim Normal file
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@@ -0,0 +1,31 @@
discard """
joinable: false
nimout: '''
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tvmutils.nim(28, 13) [opcLdImmInt] if i == 4:
tvmutils.nim(28, 10) [opcEqInt] if i == 4:
tvmutils.nim(28, 10) [opcFJmp] if i == 4:
tvmutils.nim(28, 13) [opcLdImmInt] if i == 4:
tvmutils.nim(28, 10) [opcEqInt] if i == 4:
tvmutils.nim(28, 10) [opcFJmp] if i == 4:
tvmutils.nim(29, 7) [opcLdConst] vmTrace(false)
tvmutils.nim(29, 15) [opcLdImmInt] vmTrace(false)
tvmutils.nim(29, 14) [opcIndCall] vmTrace(false)
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'''
"""
# line 20 (only showing a subset of nimout to avoid making the test rigid)
import std/vmutils
proc main() =
for i in 0..<7:
echo i
if i == 2:
vmTrace(true)
if i == 4:
vmTrace(false)
static: main()