Annotate

tools/linedebug.lua @ 12469:2b3adaa6d38e

util.strbitop: Reduce scope of functions Equivalent to 'local' in Lua, these functions are exported via the luaopen_ function, which is the only one needing to be visible outside of the file. Pointed out by Link Mauve at some point, but there wasn't really any rush here.
author Kim Alvefur <zash@zash.se>
date Sat, 23 Apr 2022 14:29:43 +0200
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
Kim Alvefur <zash@zash.se>
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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
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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
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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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Kim Alvefur <zash@zash.se>
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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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Kim Alvefur <zash@zash.se>
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18 debug.sethook(linehook, "l");