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https://github.com/nim-lang/Nim.git
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7be1bb572e
This makes await point to the caller line instead of asyncmacro. It also
reworks the "Async traceback:" section of the traceback. Follow up PR
#21091 (issue #19931) so it works if there is asynchronous work done.
(cherry picked from commit 2f127bf99f)
159 lines
3.9 KiB
Nim
159 lines
3.9 KiB
Nim
import std/asyncdispatch
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import std/re
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from std/strutils import dedent
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proc err() =
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raise newException(ValueError, "the_error_msg")
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block:
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proc recursion(i: int) {.async.} =
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if i == 5:
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err()
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await sleepAsync(1)
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await recursion(i+1)
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proc main {.async.} =
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await recursion(0)
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try:
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waitFor main()
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doAssert false
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except ValueError as err:
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let expected = """
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the_error_msg
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Async traceback:
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tasync_traceback2\.nim\(\d+\) tasync_traceback2
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tasync_traceback2\.nim\(\d+\) main \(Async\)
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tasync_traceback2\.nim\(\d+\) recursion \(Async\)
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tasync_traceback2\.nim\(\d+\) recursion \(Async\)
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tasync_traceback2\.nim\(\d+\) err
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Exception message: the_error_msg
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""".dedent
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doAssert match(err.msg, re(expected)), err.getStackTrace & err.msg
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block:
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proc baz() =
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err()
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proc bar() =
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baz()
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proc foo() {.async.} =
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await sleepAsync(1)
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bar()
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proc main {.async.} =
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await foo()
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try:
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waitFor main()
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doAssert false
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except ValueError as err:
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let expected = """
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the_error_msg
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Async traceback:
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tasync_traceback2\.nim\(\d+\) tasync_traceback2
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tasync_traceback2\.nim\(\d+\) main \(Async\)
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tasync_traceback2\.nim\(\d+\) foo \(Async\)
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tasync_traceback2\.nim\(\d+\) bar
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tasync_traceback2\.nim\(\d+\) baz
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tasync_traceback2\.nim\(\d+\) err
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Exception message: the_error_msg
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""".dedent
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doAssert match(err.msg, re(expected)), err.getStackTrace & err.msg
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block: # async work
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proc baz() {.async.} =
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await sleepAsync(1)
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raise newException(ValueError, "the_error_msg")
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proc bar() {.async.} =
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await sleepAsync(1)
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await baz()
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proc foo() {.async.} =
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await sleepAsync(1)
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await bar()
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proc main {.async.} =
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await foo()
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try:
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waitFor main()
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doAssert false
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except ValueError as err:
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let expected = """
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the_error_msg
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Async traceback:
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tasync_traceback2\.nim\(\d+\) tasync_traceback2
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tasync_traceback2\.nim\(\d+\) main \(Async\)
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tasync_traceback2\.nim\(\d+\) foo \(Async\)
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tasync_traceback2\.nim\(\d+\) bar \(Async\)
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tasync_traceback2\.nim\(\d+\) baz \(Async\)
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Exception message: the_error_msg
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""".dedent
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doAssert match(err.msg, re(expected)), err.getStackTrace & err.msg
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block: # interleaved async work
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proc baz() {.async.} =
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await sleepAsync(1)
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raise newException(ValueError, "the_error_msg")
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proc bar() {.async.} =
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#await sleepAsync(1)
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await baz()
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proc foo() {.async.} =
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await sleepAsync(1)
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await bar()
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proc main {.async.} =
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await foo()
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try:
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waitFor main()
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doAssert false
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except ValueError as err:
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let expected = """
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the_error_msg
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Async traceback:
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tasync_traceback2\.nim\(\d+\) tasync_traceback2
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tasync_traceback2\.nim\(\d+\) main \(Async\)
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tasync_traceback2\.nim\(\d+\) foo \(Async\)
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tasync_traceback2\.nim\(\d+\) bar \(Async\)
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tasync_traceback2\.nim\(\d+\) baz \(Async\)
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Exception message: the_error_msg
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""".dedent
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doAssert match(err.msg, re(expected)), err.getStackTrace & err.msg
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block: # no async work
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proc baz() {.async.} =
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raise newException(ValueError, "the_error_msg")
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proc bar() {.async.} =
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await baz()
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proc foo() {.async.} =
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await bar()
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proc main {.async.} =
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await foo()
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try:
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waitFor main()
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doAssert false
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except ValueError as err:
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let expected = """
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the_error_msg
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Async traceback:
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tasync_traceback2\.nim\(\d+\) tasync_traceback2
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tasync_traceback2\.nim\(\d+\) main \(Async\)
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tasync_traceback2\.nim\(\d+\) foo \(Async\)
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tasync_traceback2\.nim\(\d+\) bar \(Async\)
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tasync_traceback2\.nim\(\d+\) baz \(Async\)
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Exception message: the_error_msg
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""".dedent
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doAssert match(err.msg, re(expected)), err.getStackTrace & err.msg
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echo "ok"
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