bzr branch
http://9ix.org/bzr/ld27
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35
by Josh C
cluke009 zoetrope + my spritebatch changes |
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-- Class: DebugStack |
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-- This shows a stack trace for a particular stack level. |
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DebugStack = DebugInstrument:extend |
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{
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visible = false, |
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width = 'narrow', |
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onNew = function (self) |
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self.title.text = 'Stack' |
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self.text = self:add(Text:new{ font = self.font, wordWrap = false })
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self.lineHeight = self.text._fontObj:getHeight() |
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debugger.showStack = function (level) self:showStack(level) end |
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debugger.hideStack = function() self.visible = false end |
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end, |
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-- Method: showStack |
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-- Makes the instrument visible and shows a stack trace. |
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-- To hide this, just set the instrument's visible property to false. |
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-- |
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-- Arguments: |
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-- level - stack level to show |
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-- |
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-- Returns: |
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-- nothing |
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showStack = function (self, level) |
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self.text.text = '' |
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self.visible = true |
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self.contentHeight = self.spacing * 2 |
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local info |
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repeat |
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info = debug.getinfo(level, 'nlS') |
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if info then |
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self.contentHeight = self.contentHeight + self.lineHeight |
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if info.name and info.name ~= '' then |
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self.text.text = self.text.text .. info.name .. '()\n' |
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elseif not info.name then |
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self.text.text = self.text.text .. '(anonymous function)\n' |
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else |
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self.text.text = self.text.text .. '(tail call)\n' |
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end |
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if info.currentline ~= -1 then |
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self.text.text = self.text.text .. ' ' .. info.short_src .. |
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':' .. info.currentline .. '\n' |
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self.contentHeight = self.contentHeight + self.lineHeight |
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end |
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end |
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level = level + 1 |
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until not info |
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end, |
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onResize = function (self, x, y, width, height) |
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self.text.x = x + self.spacing |
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self.text.y = y + self.spacing |
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self.text.width = width - self.spacing * 2 |
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self.text.height = height - self.spacing * 2 |
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end |
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} |