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tools/linedebug.lua @ 11962:9a70a543c727
util.async: Add next-tick configuration
Running woken runners in the next iteration of the event loop prevents
unexpected recursion, unexpected tracebacks, and is generally more
predictable.
The pattern is borrowed from util.promise, where we're now doing the same.
author | Matthew Wild <mwild1@gmail.com> |
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date | Mon, 29 Nov 2021 14:14:30 +0000 |
parent | 11193:5850d24a4ad3 |
rev | line source |
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11193
5850d24a4ad3
tools/linedebug: Print each line of source executed
Kim Alvefur <zash@zash.se>
parents:
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changeset
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1 local data = {} |
5850d24a4ad3
tools/linedebug: Print each line of source executed
Kim Alvefur <zash@zash.se>
parents:
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2 local getinfo = debug.getinfo; |
5850d24a4ad3
tools/linedebug: Print each line of source executed
Kim Alvefur <zash@zash.se>
parents:
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3 local function linehook(ev, li) |
5850d24a4ad3
tools/linedebug: Print each line of source executed
Kim Alvefur <zash@zash.se>
parents:
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4 local S = getinfo(2, "S"); |
5850d24a4ad3
tools/linedebug: Print each line of source executed
Kim Alvefur <zash@zash.se>
parents:
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5 if S and S.source and S.source:match"^@" then |
5850d24a4ad3
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Kim Alvefur <zash@zash.se>
parents:
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6 local file = S.source:sub(2); |
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Kim Alvefur <zash@zash.se>
parents:
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7 local lines = data[file]; |
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Kim Alvefur <zash@zash.se>
parents:
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8 if not lines then |
5850d24a4ad3
tools/linedebug: Print each line of source executed
Kim Alvefur <zash@zash.se>
parents:
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9 lines = {}; |
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Kim Alvefur <zash@zash.se>
parents:
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10 data[file] = lines; |
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tools/linedebug: Print each line of source executed
Kim Alvefur <zash@zash.se>
parents:
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11 for line in io.lines(file) do |
5850d24a4ad3
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Kim Alvefur <zash@zash.se>
parents:
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12 lines[#lines+1] = line; |
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tools/linedebug: Print each line of source executed
Kim Alvefur <zash@zash.se>
parents:
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13 end |
5850d24a4ad3
tools/linedebug: Print each line of source executed
Kim Alvefur <zash@zash.se>
parents:
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14 end |
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tools/linedebug: Print each line of source executed
Kim Alvefur <zash@zash.se>
parents:
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15 io.stderr:write(ev, " ", file, " ", li, " ", lines[li], "\n"); |
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tools/linedebug: Print each line of source executed
Kim Alvefur <zash@zash.se>
parents:
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16 end |
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tools/linedebug: Print each line of source executed
Kim Alvefur <zash@zash.se>
parents:
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17 end |
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tools/linedebug: Print each line of source executed
Kim Alvefur <zash@zash.se>
parents:
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18 debug.sethook(linehook, "l"); |