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tools/linedebug.lua @ 11986:3d5135e8a2a7

mod_cron: Initial commit of periodic task runner A number of modules now have periodic tasks that need to run, e.g. for cleaning out old messages or files. This has highlighted a need for coordinating and optimizing scheduling of such tasks.
author Kim Alvefur <zash@zash.se>
date Sun, 21 Nov 2021 15:50:36 +0100
parent 11193:5850d24a4ad3
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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11193
5850d24a4ad3 tools/linedebug: Print each line of source executed
Kim Alvefur <zash@zash.se>
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1 local data = {}
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Kim Alvefur <zash@zash.se>
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2 local getinfo = debug.getinfo;
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3 local function linehook(ev, li)
5850d24a4ad3 tools/linedebug: Print each line of source executed
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4 local S = getinfo(2, "S");
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5 if S and S.source and S.source:match"^@" then
5850d24a4ad3 tools/linedebug: Print each line of source executed
Kim Alvefur <zash@zash.se>
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6 local file = S.source:sub(2);
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7 local lines = data[file];
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8 if not lines then
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9 lines = {};
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10 data[file] = lines;
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11 for line in io.lines(file) do
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12 lines[#lines+1] = line;
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13 end
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14 end
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15 io.stderr:write(ev, " ", file, " ", li, " ", lines[li], "\n");
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16 end
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17 end
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18 debug.sethook(linehook, "l");