538 lines
18 KiB
Text
538 lines
18 KiB
Text
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*CCTree.txt* Plugin for C Call-Tree Explorer *CCTree*
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Author: Hari Rangarajan (First.Last AT gmail DOT com)
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Last Change: 20 May 2011
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CCTree version 1.51
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For Vim version 7.0 and above
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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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1. Overview~
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*CCTree-overview*
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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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Requires Cscope and works best with C code.
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==============================================================================
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2. Downloads~
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*CCTree-download*
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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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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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3. Installation~
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*CCTree-installation*
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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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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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CONFIGURATION *CCTree-configuration*
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4. Options~
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You can customize behavior by changing the following variable settings
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4.1.1 Cscope Symbol Database~
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*CCTreeCscopeDb*
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Cscope database file, g:CCTreeCscopeDb = "cscope.out"
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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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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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4.1.4 Call-tree window display~
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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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4.5 Direction~
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*CCTreeWindowVertical*
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Use Vertical window, g:CCTreeWindowVertical = 1
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4.5.1 Dimensions~
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These settings determine the layout of the CCTree preview window.
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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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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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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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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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For vertical splits, 1 and 2 are good, while 3 is good for horizontal
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displays.
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4.7. Dynamic Call-tree highlighting~
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*CCTreeHilightCallTree*
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Enable/disable dynamic call-tree highlighting, default: 1
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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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*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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COMMAND LIST *CCTree-commands-list*
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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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Native Xref Database~
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CCTreeLoadXRefDB <dbname>
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CCTreeSaveXRefDB <dbname>
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Refer to |CCTree-fast-loading|
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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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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 (WARNING: Database
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processing speeds will be slow).
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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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Open symbol in other window <CR>
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Preview symbol in other window <Ctrl-P>
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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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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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FEATURES *CCTree-features*
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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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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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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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Unload database ~
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>
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:CCTreeUnLoadDB
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Append database~
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>
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:CCTreeAppendDB
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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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FASTER DATABASE LOADING *CCTree-fast-loading*
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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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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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ccglue~
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*CCTree-ccglue*
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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.
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5.2. Exploring source-code~
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*CCTree-explore-source*
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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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Get forward call tree for symbol <C-\>>
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>
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:CCTreeTraceForward <symbolname>
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Increase depth of tree and update <C-\>=
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>
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:CCTreeRecurseDepthPlus
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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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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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For faster highlighting, the value of 'updatetime' can be changed.
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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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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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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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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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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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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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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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For more info on setting up perl interface
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:help |perl-using| or :help |perl-dynamic|
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5.6. Miscellaneous *CCTree-Miscellaneous*
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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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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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6. Limitations~
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*CCTree-limitations*
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The following are known limitations:
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Basic Symbol Processing:
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(1) The accuracy of the call-tree will only be as good as the cscope database
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generation. (NOTE: Different flavors of Cscope have some known limitations
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due to the lexical analysis engine. This results in incorrectly identified
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function blocks, etc.)
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Enhanced Symbol Processing:
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(1) Cscope does not mark-up nameless enums correctly; hence,
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CCTree cannot recognize nameless enum symbols.
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==============================================================================
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7. FAQ~
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*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 1.51: 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*
|
||
|
|
|
||
|
|
|
||
|
|
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:
|
||
|
|
|