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annotate tools/linedebug.lua @ 14130:a957cd3ea4eb 13.0

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util.startup: Improve error message when failing to load config file The current error text always implied that the file is missing, but it could also be a permissions issue, or something else. Now it will handle those two cases, and show the error from the system otherwise.
author Matthew Wild <mwild1@gmail.com>
date Thu, 16 Apr 2026 18:50:23 +0100
parents 5850d24a4ad3
children
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
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>
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3 local function linehook(ev, li)
5850d24a4ad3 tools/linedebug: Print each line of source executed
Kim Alvefur <zash@zash.se>
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4 local S = getinfo(2, "S");
5850d24a4ad3 tools/linedebug: Print each line of source executed
Kim Alvefur <zash@zash.se>
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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);
5850d24a4ad3 tools/linedebug: Print each line of source executed
Kim Alvefur <zash@zash.se>
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7 local lines = data[file];
5850d24a4ad3 tools/linedebug: Print each line of source executed
Kim Alvefur <zash@zash.se>
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8 if not lines then
5850d24a4ad3 tools/linedebug: Print each line of source executed
Kim Alvefur <zash@zash.se>
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9 lines = {};
5850d24a4ad3 tools/linedebug: Print each line of source executed
Kim Alvefur <zash@zash.se>
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10 data[file] = lines;
5850d24a4ad3 tools/linedebug: Print each line of source executed
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
Kim Alvefur <zash@zash.se>
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12 lines[#lines+1] = line;
5850d24a4ad3 tools/linedebug: Print each line of source executed
Kim Alvefur <zash@zash.se>
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13 end
5850d24a4ad3 tools/linedebug: Print each line of source executed
Kim Alvefur <zash@zash.se>
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14 end
5850d24a4ad3 tools/linedebug: Print each line of source executed
Kim Alvefur <zash@zash.se>
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15 io.stderr:write(ev, " ", file, " ", li, " ", lines[li], "\n");
5850d24a4ad3 tools/linedebug: Print each line of source executed
Kim Alvefur <zash@zash.se>
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16 end
5850d24a4ad3 tools/linedebug: Print each line of source executed
Kim Alvefur <zash@zash.se>
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17 end
5850d24a4ad3 tools/linedebug: Print each line of source executed
Kim Alvefur <zash@zash.se>
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18 debug.sethook(linehook, "l");