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@@ -1,588 +0,0 @@
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-*CCTree.txt* Plugin for C Call-Tree Explorer *CCTree*
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-
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-Author: Hari Rangarajan (First.Last AT gmail DOT com)
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-Last Change: 17 June 2011
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-
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-CCTree version 1.53
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-
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-For Vim version 7.0 and above
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-
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-==============================================================================
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-
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-1. Overview |CCTree-overview|
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-2. Downloads |CCTree-download|
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-3. Installation |CCTree-installation|
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-4. Configuration |CCTree-configuration|
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-5. Features |CCTree-features|
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-6. Limitations |CCTree-limitations|
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-7. FAQ & TIPS |CCTree-faq|
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-8. History |CCTree-history|
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-9. Thanks |CCTree-thanks|
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-
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-==============================================================================
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-1. Overview~
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- *CCTree-overview*
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-
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-Plugin generates dependency-trees for symbols using a cscope database in Vim.
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-Basic cross-referencing includes functions and macros. Enhanced symbol
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-processing covers macros, typedefs, enums, and global variables.
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-
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-Requires Cscope and works best with C code.
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-
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-==============================================================================
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-2. Downloads~
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- *CCTree-download*
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-
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-You can download the latest release of the script from this url :
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- http://www.vim.org/scripts/script.php?script_id=2368
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-
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-
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-Cscope packages can be found here:
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- http://cscope.sourceforge.net/
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- http://code.google.com/p/cscope-win32/
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-
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-
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-==============================================================================
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-3. Installation~
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- *CCTree-installation*
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-
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-Copy this file to ~/.vim/plugins/ or to /vimfiles/plugins/ (on Win32
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-platforms)
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-
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-It should also be possible to load it as a filetype plugin ~/.vim/ftplugin/c/
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-Need to set :filetype plugin on
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-
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-
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-==============================================================================
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-CONFIGURATION *CCTree-configuration*
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-4. Options~
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-
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-You can customize behavior by changing the following variable settings
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-
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-4.1.1 Cscope Symbol Database~
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- *CCTreeCscopeDb*
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-
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-Cscope database file, g:CCTreeCscopeDb = "cscope.out"
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-
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-4.1.2 Call-tree Depth~
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- *CCTreeRecursiveDepth*
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-Maximum call levels, g:CCTreeRecursiveDepth = 3
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-
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-4.1.3 Call-tree Minimum Visible Depth~
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- *CCTreeMinVisibleDepth*
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-Maximum visible(unfolded) level, g:CCTreeMinVisibleDepth = 3
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-
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-4.1.4 Call-tree window display~
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-
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-4.4.1 Orientation~
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- *CCTreeOrientation*
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-Orientation of window, g:CCTreeOrientation = "leftabove"
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- (standard vim options for split: [right|left][above|below])
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-
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-4.5 Direction~
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- *CCTreeWindowVertical*
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-Use Vertical window, g:CCTreeWindowVertical = 1
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-
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-4.5.1 Dimensions~
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-
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-These settings determine the layout of the CCTree preview window.
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-
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-4.5.2 Horizontal Window Settings~
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- *CCTreeWindowHeight*
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- Horizontal window, g:CCTreeWindowHeight, default is -1.
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-
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-4.5.2 Vertical Window Settings~
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- *CCTreeWindowMinWidth*
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- *CCTreeWindowWidth*
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- Minimum width for window, g:CCTreeWindowMinWidth = 40.
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- g:CCTreeWindowWidth = -1, auto-select best width to fit.
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-
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-
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-4.6 Call-tree display format~
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- *CCTreeDisplayMode*
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-Display format, g:CCTreeDisplayMode, default: 1
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-
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-Values: 1 -- Ultra-compact (takes minimum screen width)
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- 2 -- Compact (Takes little more space)
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- 3 -- Wide (Takes copious amounts of space)
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-
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-For vertical splits, 1 and 2 are good, while 3 is good for horizontal
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-displays.
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-
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-4.7. Dynamic Call-tree highlighting~
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- *CCTreeHilightCallTree*
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-
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-Enable/disable dynamic call-tree highlighting, default: 1
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-
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-
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-4.7.1 Syntax items~
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- *CCTreeSymbol* *CCTreeHiSymbol*
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-CCTreeSymbol is the symbol name.
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-CCTreeHiSymbol is the highlighted call tree functions.
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-
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- *CCTreeMarkers* *CCTreeHiMarkers*
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-CCTreeMarkers include "|","+--->".
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-CCTreeHiMarkers is the same as CCTreeMarkers except these denote the
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-highlighted call-tree.
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-
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-
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-
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-==============================================================================
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-COMMAND LIST *CCTree-commands-list*
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-
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-Database Management~
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- CCTreeLoadDB <dbname>
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- CCTreeAppendDB <dbname>
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- CCTreeUnLoadDB
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- CCTreeShowLoadedDBs
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- Refer to |CCTree-usage|
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-
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-Native Xref Database~
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- CCTreeLoadXRefDB <dbname>
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- CCTreeSaveXRefDB <dbname>
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- CCTreeLoadXRefDBFromDisk <dbname>
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-
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- Refer to |CCTree-fast-loading|
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-
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-Symbol tracing~
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- CCTreeTraceForward <symbolname>
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- CCTreeTraceReverse <symbolname>
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- CCTreeRecurseDepthPlus
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- CCTreeRecurseDepthMinus
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- Refer to |CCTree-explore-source|
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-Trace Management~
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- CCTreeWindowSaveCopy
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- CCTreeWindowHiCallTree
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- Refer to |CCTree-preview-window|
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-
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-Dynamic configuration~
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- CCTreeOptsEnable <option> (<tab> for auto-complete)
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- CCTreeOptsDisable <option> (<tab> for auto-complete)
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- CCTreeOptsToggle <option> (<tab> for auto-complete)
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- Options~
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- DynamicTreeHiLights: Control dynamic tree highlighting
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- UseUnicodeSymbols: Use of UTF-8 special characters for tree
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- UseConceal: Use (+Conceal) feature instead of 'ignore'
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- syntax highlighting. Allows CCTree window
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- to be exported in HTML without syntax markup
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- characters. (Vim 7.3+ only)
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- *CCTree-Enhanced-Symbol-Processing*
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- EnhancedSymbolProcessing: Cross-reference enums, macros,
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- global variables, typedefs
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- (WARNING: Database processing speeds will be slow.
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- Feature is DISABLED by default for this reason)
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-
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-SHORTCUT KEYS *CCTree-Key-Map*
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-Default Mappings~
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- *CCTree-Default-Key-Map*
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- Get reverse call tree for symbol <C-\><
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- Get forward call tree for symbol <C-\>>
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- Increase depth of tree and update <C-\>=
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- Decrease depth of tree and update <C-\>-
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-
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- Open symbol in other window <CR>
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- Preview symbol in other window <Ctrl-P>
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-
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- Save copy of preview window <C-\>y
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- Highlight current call-tree flow <C-l>
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- Compress(Fold) call tree view zs
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- (This is useful for viewing long
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- call trees which span across
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- multiple pages)
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-
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-Custom user-mappings
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- *CCTree-Custom-Key-Map*
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- Users can custom-map the short-cut keys by
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- overriding the following variables in their
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- Vim start-up configuration
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->
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- let g:CCTreeKeyTraceForwardTree = '<C-\>>'
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- let g:CCTreeKeyTraceReverseTree = '<C-\><'
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- let g:CCTreeKeyHilightTree = '<C-l>' " Static highlighting
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- let g:CCTreeKeySaveWindow = '<C-\>y'
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- let g:CCTreeKeyToggleWindow = '<C-\>w'
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- let g:CCTreeKeyCompressTree = 'zs' " Compress call-tree
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- let g:CCTreeKeyDepthPlus = '<C-\>='
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- let g:CCTreeKeyDepthMinus = '<C-\>-'
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-<
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-
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-==============================================================================
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-FEATURES *CCTree-features*
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-
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-5.1. Symbol database~
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- *CCTree-usage*
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-Build cscope database, for example:
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-> cscope -b -i cscope.files
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- [Tip: add -c option to build uncompressed databases for faster
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- load speeds]
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-
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-Load database~
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->
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- :CCTreeLoadDB
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-<
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- (Please note that it might take a while depending on the
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- database size)
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-
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-A database name, i.e., my_cscope.out, can be specified with the command. If
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-not provided, a prompt will ask for the filename; default is cscope.out.
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-
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-Unload database ~
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- >
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- :CCTreeUnLoadDB
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-<
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-Append database~
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- >
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- :CCTreeAppendDB
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-<
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- Allows multiple cscope files to be loaded and cross-referenced
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- Illustration: >
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- :CCTreeAppendDB ./cscope.out
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- :CCTreeAppendDB ./dir1/cscope.out
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- :CCTreeAppendDB ./dir2/cscope.out
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-<
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- A database name, i.e., my_cscope.out, can be specified with
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- the command. If not provided, a prompt will ask for the
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- filename; default is cscope.out.
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-
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-
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-FASTER DATABASE LOADING *CCTree-fast-loading*
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-5.7. Session serialization *CCTree-Database-Serialization*
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-
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- Save native Xref Db~
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->
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- :CCTreeSaveXRefDb cctree.out
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-<
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- This command will save the cross-referenced symbols currently loaded into
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- memory into a serialized format for faster loading.
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-
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- Load native XRef Db~
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->
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- :CCTreeLoadXRefDb cctree.out
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-<
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- This command will load cross-referenced symbols from the previously saved
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- native format database.
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-
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- Notes: No merging database support for CCTree native DB's [at present].
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-
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- Trace native XRef Db from disk~
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- *CCTree-Database-Load-Instantaneously*
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-
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- Load and trace CCTree native XRefDb directly from disk, use command
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- ":CCTreeLoadXRefDBFromDisk "
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-
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->
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- :CCTreeLoadXRefDBFromDisk cctree.out
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-<
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-
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- The command traces symbols on-demand from disk; occupies no memory and
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- is pretty quick under reasonable usage.
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-
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- Load database from memory or disk~
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- *CCTree-Database-Memory-Speed-Trade-off*
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-
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- |CCTreeLoadXRefDB| loads the symbols on disk into memory, this will
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- result in faster construction of call-trees, whereas the
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- |CCTreeLoadXRefDBFromDisk| command traces the call-trees from disk,
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- saving memory while sacrificing speed. Users can choose between the
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- two depending on requirements.
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-
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- Writing large Xref Databases~
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- *CCTree-Large-Xref-Databases*
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-
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- CCTree can use external utilities to write extremely large files beyond
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- VimScripts capabilities. It requires the use of an external tool that can
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- join text files (i.e., 'cat' in unix). This utility is triggered if the size
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- of the file being written exceeds g:CCTreeDbFileMaxSize (40 Mb or as
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- configured)
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-
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- The join utility command is configured by default as follows:
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- let CCTreeJoinProgCmd = 'PROG_JOIN JOIN_OPT IN_FILES > OUT_FILE'
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-
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- let g:CCTreeJoinProg = 'cat' " PROG_JOIN
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- let g:CCTreeJoinProgOpts = "" " JOIN_OPT
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-
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-ccglue~
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- *CCTree-ccglue*
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-
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-Check out the ccglue project at http://ccglue.sourceforge.net for an external
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-tool that can build cctree-compatible xref databases, which can be loaded
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-and updated very quickly.
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-
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-
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-5.2. Exploring source-code~
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- *CCTree-explore-source*
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-
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-Get reverse call tree for symbol <C-\><
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->
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- :CCTreeTraceReverse <symbolname>
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-<
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-
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-Get forward call tree for symbol <C-\>>
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->
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- :CCTreeTraceForward <symbolname>
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-<
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-Increase depth of tree and update <C-\>=
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->
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- :CCTreeRecurseDepthPlus
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-<
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-Decrease depth of tree and update <C-\>-
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->
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- :CCTreeRecurseDepthMinus
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-<
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-5.3. Preview Window~
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- *CCTree-preview-window*
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-Open symbol in other window <CR>
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-Preview symbol in other window <Ctrl-P>
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-
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-5.4. Syntax Coloring~
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- *CCTree-Syntax*
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-CCTreeHiXXXX allows dynamic highlighting of the call-tree. To observe the
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-effect, move the cursor to the function to highlight the current call-tree.
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-This option can be turned off using the setting, |CCTreeHilightCallTree|.
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-
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-For faster highlighting, the value of 'updatetime' can be changed.
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-
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-5.5 Support for large database files~
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- *CCTree-LargeDatabase* *CCTree-LargeFile*
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-Vimscript does not have an API for reading files line-by-line. This
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-becomes a problem when parsing large databases. CCTree can overcome
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-the limitation using an external utility (i.e., GNU coreutils: split)
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-or VimScript's perl interpreter interface (:version must indicate +perl)
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-
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-5.5.1 Using GNU Coreutils (split/cat)~
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- *CCTree-Tools-split* *CCTree-Tools-cat*
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- The following settings are tailored to suit GNU coreutils split; the
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-default settings should work with no changes on typical linux/unix distros.
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-Monopoly OSes will require installation of unixutils or equivalent.
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-
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-External command is setup with the following parameters~
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->
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- let g:CCTreeSplitProgCmd =
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- 'PROG_SPLIT SPLIT_OPT SPLIT_SIZE IN_FILE OUT_FILE_PREFIX'
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-<
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-
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-Break-down of individual parameters~
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-The split utility is assumed to be on the path; otherwise, specify full path
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- g:CCTreeSplitProg = 'split'
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-
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-Option for splitting files (-C or -l)~
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->
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- let g:CCTreeSplitProgOption = '-C'
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-<
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-If split program does not support -C, then this parameter must be set to
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-the number of lines in the split files
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->
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- let g:CCTreeDbFileSplitLines = -1
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-<
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-Largest filesize Vimscript can handle; file sizes greater than this will
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-be temporarily split
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->
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- let g:CCTreeDbFileMaxSize = 40000000 (40 Mbytes)
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-<
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-Sample system command~
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-Typical:
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->
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- split -C 40000000 inputFile outputFilePrefix
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-<
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- When g:CCTreeDbFileSplitLines is set to 10000 (-C options will be ignored)
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->
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- split -l 10000 inputFile outputFilePrefix
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-<
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- *CCTree-Tools-Perl*
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- *CCTree-Tools-Perl-LargeFile*
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-Enabling perl interface~
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-
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- By default, perl usage is disabled. Set
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->
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- let g:CCTreeUsePerl = 1
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-< to enable the perl interface.
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-
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- Perl interface is typically faster than native Vimscript.
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- This option can be used independent of the file size
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-
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- For more info on setting up perl interface
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- :help |perl-using| or :help |perl-dynamic|
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-
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-5.6. Miscellaneous *CCTree-Miscellaneous*
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-
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- UTF-8 usage *CCTree-UTF8-Symbols*
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- UTF-8 symbols should work fine on the majority of
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- X11 systems; however, some terminals might cause problems.
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-
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- To use symbols for drawing the tree, this option can be enabled.
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->
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- let g:CCTreeUseUTF8Symbols = 1
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-<
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- The options interface (CCTreeOptsxxx) can be used to
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- modify options on-the-fly.
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-
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-
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-==============================================================================
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-6. Limitations~
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- *CCTree-limitations*
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-
|
|
|
-The following are known limitations:
|
|
|
-
|
|
|
-Basic Symbol Processing:
|
|
|
- (1) The accuracy of the call-tree will only be as good as the cscope database
|
|
|
-generation. (NOTE: Different flavors of Cscope have some known limitations
|
|
|
-due to the lexical analysis engine. This results in incorrectly identified
|
|
|
-function blocks, etc.)
|
|
|
-
|
|
|
-Enhanced Symbol Processing:
|
|
|
- (1) Cscope does not mark-up nameless enums correctly; hence,
|
|
|
-CCTree cannot recognize nameless enum symbols.
|
|
|
-
|
|
|
-
|
|
|
-==============================================================================
|
|
|
-7. FAQ~
|
|
|
- *CCTree-faq*
|
|
|
-
|
|
|
-+ I see strange characters "!#@" on my screen when dynamic highlighting is
|
|
|
-enabled. Why do I see them?
|
|
|
-
|
|
|
-Check :hi ignore. You will see something like
|
|
|
-hi ignore ctermfg=white guifg=bg
|
|
|
-
|
|
|
- For console, white must be your background color; for GUI, guifg must be set
|
|
|
-to bg.
|
|
|
-
|
|
|
-==============================================================================
|
|
|
-8. History~
|
|
|
- *CCTree-history*
|
|
|
-
|
|
|
-Version 1.53: June 17, 2011
|
|
|
- 1. Bug fix related to appending cscope databases
|
|
|
- 2. Bug fix related to loading xref databases
|
|
|
-
|
|
|
-Version 1.51: May 18, 2011
|
|
|
- 1. Robust error reporting when external (split/cat) utils fail
|
|
|
-
|
|
|
-Version 1.50: May 6, 2011
|
|
|
- 1. Support cross-referencing of global variables, macros,
|
|
|
- enums, and typedefs.
|
|
|
-
|
|
|
-Version 1.40: April 22, 2011
|
|
|
- 1. Maintain order of functions called during forward tracing
|
|
|
-
|
|
|
-Version 1.39: April 18, 2011
|
|
|
- 1. Use +Conceal feature for highlighting (only Vim 7.3)
|
|
|
-
|
|
|
-Version 1.33: April 5, 2011
|
|
|
- 1. Load and trace CCTree native XRefDb directly from disk
|
|
|
- 2. Fix AppendDB command when 'ignorecase' is set
|
|
|
-
|
|
|
-Version 1.26: March 28, 2011
|
|
|
- 1. Fix macro cross-referencing limitation
|
|
|
- 2. Correct native xref file format
|
|
|
-
|
|
|
-Version 1.21: March 21, 2011
|
|
|
- 1. Support serialization of loaded
|
|
|
- cscope databases (for faster loading)
|
|
|
-
|
|
|
-Version 1.07: March 09, 2011
|
|
|
- 1. Fix new keymaps incorrectly applied to buffer
|
|
|
- 2. CCTreeOptsToggle command for toggling options
|
|
|
-
|
|
|
-Version 1.04: March 06, 2011
|
|
|
- 1. Customization for key mappings
|
|
|
- 2. Dynamic configuration of UI variables
|
|
|
- 3. Folding long call-trees to show current path dynamically
|
|
|
-
|
|
|
-Version 1.01: March 04, 2011
|
|
|
- 1. Make UTF-8 symbols for tree optional
|
|
|
-
|
|
|
-Version 1.00: March 02, 2011
|
|
|
- 1. Staging release for upcoming features
|
|
|
- - Complete refactoring of code to take
|
|
|
- advantage of VimScript's OO features
|
|
|
- 2. Faster decompression of symbols
|
|
|
- 3. Display related changes
|
|
|
- - Use of unicode symbols for tree
|
|
|
- 4. Bugfixes related to multi-database loading
|
|
|
-
|
|
|
-Version 0.90: February 18, 2011
|
|
|
- 1. Support for large databases using external split utility or perl
|
|
|
- interface
|
|
|
-
|
|
|
-Version 0.85: February 9, 2011
|
|
|
- 1. Significant increase in database loading and decompression speeds
|
|
|
-
|
|
|
-Version 0.80: February 4, 2011
|
|
|
- 1. Reduce memory usage by removing unused xref symbols
|
|
|
-
|
|
|
-Version 0.75: June 23, 2010
|
|
|
- 1. Support for saving CCTree preview window; multiple
|
|
|
- CCTree windows can now be open
|
|
|
-
|
|
|
-ersion 0.71: May 11, 2010
|
|
|
- 1. Fix script bug
|
|
|
-
|
|
|
-Version 0.70: May 8, 2010
|
|
|
- 1. Functionality to load multiple cscope databases
|
|
|
-
|
|
|
-Version 0.65: July 12, 2009
|
|
|
- 1. Toggle preview window
|
|
|
-
|
|
|
-Version 0.61: December 24, 2008
|
|
|
- 1. Fixed bug when processing include files
|
|
|
- 2. Remove 'set ruler' option
|
|
|
-
|
|
|
-Version 0.60: November 26, 2008
|
|
|
- 1. Added support for source-file dependency tree
|
|
|
-
|
|
|
-Version 0.50: October 17, 2008
|
|
|
- 1. Optimizations for compact memory foot-print and
|
|
|
- improved compressed-database load speeds
|
|
|
-
|
|
|
-Version 0.41: October 6, 2008
|
|
|
- 1. Minor fix: Compressed cscope databases will load
|
|
|
- incorrectly if encoding is not 8-bit
|
|
|
-
|
|
|
-Version 0.4: September 28, 2008
|
|
|
- 1. Rewrite of display-related code
|
|
|
- 2. New syntax hightlighting
|
|
|
- 3. Dynamic highlighting for call-trees
|
|
|
- 4. Support for new window modes (vertical, horizontal)
|
|
|
- 5. New display format option for compact or wide call-trees
|
|
|
- 6. Preview window fix
|
|
|
-
|
|
|
-Version 0.3: September 21, 2008
|
|
|
- 1. Support compressed cscope databases
|
|
|
- 2. Display window related bugs fixed
|
|
|
- 3. More intuitive display and folding capabilities
|
|
|
-
|
|
|
-Version 0.2: September 12, 2008
|
|
|
- (Patches from Yegappan Lakshmanan, thanks!)
|
|
|
- 1. Support for using the plugin in Vi-compatible mode
|
|
|
- 2. Filtering out unwanted lines before processing the db
|
|
|
- 3. Command-line completion for the commands
|
|
|
- 4. Using the cscope db from any directory
|
|
|
-
|
|
|
-Version 0.1: August 31,2008
|
|
|
- 1. Cross-referencing support for only functions and macros
|
|
|
- (Note: Functions inside macro definitions will be incorrectly
|
|
|
- attributed to the top level calling function)
|
|
|
-
|
|
|
-
|
|
|
-==============================================================================
|
|
|
-9. Thanks~
|
|
|
- *CCTree-thanks*
|
|
|
-
|
|
|
-
|
|
|
- Ben Fritz (ver 1.53 -- Bug reports on database append/load)
|
|
|
- Qaiser Durrani (ver 1.51 -- Reporting issues with SunOS)
|
|
|
- Ben Fritz (ver 1.39 -- Suggestion/Testing for
|
|
|
- conceal feature)
|
|
|
- Ben Fritz (ver 1.26 -- Bug report)
|
|
|
- Frank Chang (ver 1.0x -- testing/UI enhancement
|
|
|
- ideas/bug fixes)
|
|
|
- Arun Chaganty/Timo Tiefel (Ver 0.60 -- bug report)
|
|
|
- Michael Wookey (Ver 0.40 -- Testing/bug report/patches)
|
|
|
- Yegappan Lakshmanan (Ver 0.20 -- Patches)
|
|
|
-
|
|
|
- The Vim Community, ofcourse :)
|
|
|
-
|
|
|
-
|
|
|
-vim:tw=78:fo=tcq2:isk=!-~,^*,^\|,^\":ts=8:ft=help:norl:
|
|
|
-
|
wreed4