Annotate

tools/linedebug.lua @ 12983:4533c9b906b0

util.format: Tweak serialization of %q formatted entries Improves serialization of function references especially, the built-in default handling of that in util.serialization is not the most informative. Now, along with the function metatable from util.startup, the actual function can be found by filename and line number.
author Kim Alvefur <zash@zash.se>
date Sun, 26 Mar 2023 00:18:05 +0100
parent 11193:5850d24a4ad3
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
11193
5850d24a4ad3 tools/linedebug: Print each line of source executed
Kim Alvefur <zash@zash.se>
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1 local data = {}
5850d24a4ad3 tools/linedebug: Print each line of source executed
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2 local getinfo = debug.getinfo;
5850d24a4ad3 tools/linedebug: Print each line of source executed
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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
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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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Kim Alvefur <zash@zash.se>
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11 for line in io.lines(file) do
5850d24a4ad3 tools/linedebug: Print each line of source executed
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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");