diff options
Diffstat (limited to 'src/luaotfload-tool.lua')
| -rwxr-xr-x | src/luaotfload-tool.lua | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/src/luaotfload-tool.lua b/src/luaotfload-tool.lua index 9529a4d..2301636 100755 --- a/src/luaotfload-tool.lua +++ b/src/luaotfload-tool.lua @@ -891,6 +891,21 @@ end --[[doc-- + bisect_terminate -- Wrap up a bisect session by printing the + offending font and removing the state file. + +--doc]]-- + +local bisect_terminate = function (nsteps, culprit) + report ("info", 1, "bisect", + "Bisection completed after %d steps.", nsteps) + report ("info", 0, "bisect", + "Bad file: %s.", names.nth_font_filename (culprit)) + return bisect_stop () +end + +--[[doc-- + bisect_set -- Prepare the next bisection step by setting high, low, and pivot to new values. @@ -911,13 +926,19 @@ local bisect_set = function (outcome) nsteps, lo, hi, pivot) if outcome == "bad" then - hi = pivot + hi = pivot + if lo >= hi then --- complete + return bisect_terminate (nsteps, lo) + end pivot = mathfloor ((lo + hi) / 2) report ("info", 0, "bisect", "Continuing with the lower segment: lo=%d, hi=%d, pivot=%d.", lo, hi, pivot) elseif outcome == "good" then - lo = pivot + lo = pivot + 1 + if lo >= hi then --- complete + return bisect_terminate (nsteps, lo) + end pivot = mathfloor ((lo + hi) / 2) report ("info", 0, "bisect", "Continuing with the upper segment: lo=%d, hi=%d, pivot=%d.", @@ -987,7 +1008,7 @@ end local bisect_modes = { start = bisect_start, good = function () return bisect_set "good" end, - bad = function () return bisect_set "bad" end, + bad = function () return bisect_set "bad" end, stop = bisect_stop, status = bisect_status, run = bisect_run, |