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[docs minor]add some tips to intern.rst (#15967)

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* [docs minor]add some tips yo intern.rst

* minor
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Andreas Rumpf 2020-11-14 13:00:06 +01:00 • committed by GitHub
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@ -153,13 +153,21 @@ are also lots of procs that aid in debugging:
debug(symbol) debug(symbol)
# pretty prints the Nim ast, but annotates symbol IDs: # pretty prints the Nim ast, but annotates symbol IDs:
echo renderTree(someNode, {renderIds}) echo renderTree(someNode, {renderIds})
if n.info ?? "temp.nim": if `??`(conf, n.info, "temp.nim"):
# only output when it comes from "temp.nim" # only output when it comes from "temp.nim"
echo renderTree(n) echo renderTree(n)
if n.info ?? "temp.nim": if `??`(conf, n.info, "temp.nim"):
# why does it process temp.nim here? # why does it process temp.nim here?
writeStackTrace() writeStackTrace()
These procs may not be imported by a module. You can import them directly for debugging:
.. code-block:: nim
from astalgo import debug
from types import typeToString
from renderer import renderTree
from msgs import `??`
To create a new compiler for each run, use ``koch temp``:: To create a new compiler for each run, use ``koch temp``::
./koch temp c /tmp/test.nim ./koch temp c /tmp/test.nim