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.examples
git-svn-id: svn://ultimatepp.org/upp/trunk@14619 f0d560ea-af0d-0410-9eb7-867de7ffcac7
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7 changed files with 0 additions and 344 deletions
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#include <CppBase/CppBase.h>
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#include "Analyse.h"
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bool ContainsAt(const String &source, const String &pattern, int pos = 0)
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{
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return pos >= 0
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&& pos + pattern.GetLength() <= source.GetLength()
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&& 0 == memcmp(source.Begin() + pos, pattern.Begin(), pattern.GetLength());
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}
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bool StartsWith(const String &source, const String &pattern)
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{
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return ContainsAt(source, pattern, 0);
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}
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bool EndsWith(const String &source, const String &pattern)
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{
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return ContainsAt(source, pattern, source.GetLength() - pattern.GetLength());
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}
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String InsertNestingToSignature(String natural, String nesting)
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{
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if(StartsWith(nesting, "::"))
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nesting.Remove(0, 2);
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if(nesting.GetCount() && !EndsWith(nesting, "::"))
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nesting << "::";
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int pos = natural.Find('('); // find the first opening parenthesis
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pos--;
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while(pos >= 0 && !iscid(natural[pos])) // skip over non-id chars before paren.
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pos--;
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if(pos < 0) return "";
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while(pos >= 0 && iscid(natural[pos])) // skip over last id before paren
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pos--;
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natural.Insert(pos+1, nesting);
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return natural;
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}
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CodeMetric::CodeMetric(const String &fileContent) :
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orphanLines(0), blankLines(0), commentLines(0)
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{
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StringStream stream(fileContent);
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CppBase base;
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Parser parser;
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parser.whenFnEnd = THISBACK(StoreMetric);
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parser.Do(stream, base, 0, 0,
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"file", CNULL,
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Vector<String>(),
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Vector<String>(),
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Index<String>());
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const SrcFile &srcFile = parser.getPreprocessedFile();
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commentLines = srcFile.commentLinesRemoved;
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blankLines = srcFile.blankLinesRemoved;
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orphanLines = parser.symbolsOutsideFunctions.GetStat(';');
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totalLLOC = orphanLines;
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sumCC1 = sumCC2 = sumDepth = 0;
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for(int i = 0; i < functions.GetCount(); i++) {
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totalLLOC += functions[i].logicalLinesOfCode;
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sumCC1 += functions[i].cyclomaticComplexity1;
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sumCC2 += functions[i].cyclomaticComplexity2;
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sumDepth += functions[i].scopeDepth;
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}
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}
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String CodeMetric::ToString() const
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{
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String s;
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s << "LLOC: " << totalLLOC
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<< ", Blank: " << blankLines
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<< ", Comments: " << commentLines;
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if(errors != "")
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s << "\nErrors:\n" << errors;
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return s;
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}
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void CodeMetric::StoreError(int line, const String &msg)
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{
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errors << "line " << line << ": " << msg << "\n";
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}
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int CodeMetric::LogicalLinesOfCode(const LexSymbolStat &symbolStat)
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{
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static Vector<int> oneLiners(pick(
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Vector<int>() << tk_if << tk_else << tk_switch << tk_case
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<< tk_for << tk_do << tk_while << tk_try << tk_catch
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<< tk_struct << tk_class << tk_namespace
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<< tk_public << tk_private << tk_protected
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<< ';'));
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return symbolStat.SumStat( oneLiners );
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}
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void CodeMetric::StoreMetric(const Parser::FunctionStat & functionStat)
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{
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static Vector<int> cc1_symbols(pick(
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Vector<int>() << tk_if << tk_case << tk_for << tk_while << tk_catch));
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static Vector<int> cc2_symbols(pick(
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Vector<int>() << t_and << t_or << '?'));
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if(!functionStat.cppItem.impl)
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return;
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FunctionEntry &entry = functions.Add();
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entry.pos = functionStat.cppItem.line;
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entry.name = InsertNestingToSignature(functionStat.cppItem.natural,
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functionStat.scope);
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int cc1 = 1 + functionStat.symbolStat.SumStat( cc1_symbols );
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entry.cyclomaticComplexity1 = cc1;
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entry.cyclomaticComplexity2 = cc1 + functionStat.symbolStat.SumStat( cc2_symbols );
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entry.logicalLinesOfCode = 2 + LogicalLinesOfCode(functionStat.symbolStat);
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entry.scopeDepth = functionStat.maxScopeDepth;
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}
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@ -1,36 +0,0 @@
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#ifndef _CppAnalyse_Analyze_h_
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#define _CppAnalyse_Analyze_h_
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#include <CppBase/CppBase.h>
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using namespace Upp;
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struct CodeMetric
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{
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public:
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struct FunctionEntry : public Moveable<FunctionEntry>
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{
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String name;
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int pos;
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int cyclomaticComplexity1;
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int cyclomaticComplexity2;
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int logicalLinesOfCode;
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int scopeDepth;
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};
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int orphanLines, blankLines, commentLines;
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int totalLLOC, sumCC1, sumCC2, sumDepth;
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Vector<FunctionEntry> functions;
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String errors;
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explicit CodeMetric(const String &fileContent);
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String ToString() const;
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private:
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typedef CodeMetric CLASSNAME;
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void StoreError(int line, const String &msg);
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void StoreMetric(const Parser::FunctionStat & functionStat);
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int LogicalLinesOfCode(const LexSymbolStat &symbolStat);
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};
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#endif
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@ -1,36 +0,0 @@
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#ifndef _CppAnalyse_AnalyseGui_h
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#define _CppAnalyse_AnalyseGui_h
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#include <CtrlLib/CtrlLib.h>
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using namespace Upp;
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class WarningDisplay : public Display
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{
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int limit;
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Color warningColor;
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public:
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WarningDisplay(int limit, Color warningColor = Color(255, 128, 128));
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void PaintBackground(Draw& w, const Rect& r, const Value& q,
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Color ink, Color paper, dword style) const;
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};
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class AnalyseGui : public TopWindow
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{
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public:
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typedef AnalyseGui CLASSNAME;
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MenuBar menu;
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Splitter splitter;
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LineEdit source;
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ArrayCtrl chart;
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LineEdit textMetric;
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WarningDisplay ccDisplay, llocDisplay, depthDisplay;
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AnalyseGui();
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void MainMenu(Bar& menu);
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void Open();
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void UpdateMetric();
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void GotoFunction();
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};
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#endif
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@ -1,10 +0,0 @@
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PREMULTIPLIED
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IMAGE_ID(GaugeIcon)
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IMAGE_BEGIN_DATA
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IMAGE_DATA(120,156,141,146,209,13,192,32,8,5,25,193,145,157,193,175,142,227,102,88,154,210,0,62,176,24,19,19,184,83,74,169)
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IMAGE_DATA(81,163,83,112,136,35,16,56,57,218,253,199,99,57,61,71,95,230,120,19,220,123,119,140,13,201,33,199,87,171,123,140)
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IMAGE_DATA(216,62,207,57,159,26,228,112,119,37,14,201,139,195,214,110,172,132,112,197,59,80,111,219,184,140,3,140,18,242,113,78)
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IMAGE_DATA(234,136,124,50,83,214,117,221,43,13,240,46,55,247,202,145,176,136,151,5,26,78,249,205,1,190,25,21,44,114,160,251)
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IMAGE_DATA(43,214,253,199,69,84,108,229,201,234,22,126,2,44,165,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0)
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IMAGE_END_DATA(160, 1)
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description "Investigating C++ cyclometric complexity\377";
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uses
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CtrlLib,
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CppBase;
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file
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AnalyseGui.h,
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Analyse.h,
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AnalyseGui.iml,
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Analyse.cpp,
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main.cpp;
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mainconfig
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"" = "GUI";
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Binary file not shown.
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Before Width: | Height: | Size: 6 B |
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#include "AnalyseGui.h"
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#include "Analyse.h"
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#define IMAGECLASS Images
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#define IMAGEFILE <CodeMetric/AnalyseGui.iml>
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#include <Draw/iml.h>
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String defaultCode =
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"/*"
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" This tool measures certain source code metrics.\n"
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" You can type, paste, or load the code you would like measure into this text area.\n"
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" Metrics provided are:\n"
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" - Cyclomatic complexity 1: counts the decision points per method, thus estimating the\n"
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" number of testcases needed for each method.\n"
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" - Cyclomatic complexity 2: CC1 extended with the implicit decisions created by the\n"
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" && || and ?: operators. Evaluation:\n"
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" CC2 1-10 simple, low risk method\n"
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" CC2 10-20 moderate complexity & risk method\n"
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" CC2 21-50 high complexity & risk method\n"
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" CC2 >50 too complex, untestable method, should be refactored\n"
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" - Depth: measures deepest scope embedding level per method. This estimates the human\n"
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" memory needed to keep in mind the current context. Any methods with depth > 5 is\n"
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" considered too complex, and candidate for refactoring\n"
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" - Logical Lines Of Code: estimates the amount of source code per method in a way\n"
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" which is mostly independent from code formatting style. Methods longer than 80 LLOC are\n"
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" too long, and should be refactored.\n"
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"*/\n"
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"int main()\n"
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"{\n"
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" return 0;\n"
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"}\n";
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String defaultTitle = "CodeMetric GUI";
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WarningDisplay::WarningDisplay(int limit, Color warningColor) :
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limit(limit), warningColor(warningColor)
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{
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}
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void WarningDisplay::PaintBackground(Draw& w, const Rect& r, const Value& q,
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Color ink, Color paper, dword style) const
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{
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int v = (int)q;
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if(v >= limit)
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paper = warningColor;
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Display::PaintBackground(w, r, q, ink, paper, style);
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}
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void AnalyseGui::MainMenu(Bar &bar)
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{
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bar.Add("Load file", THISBACK(Open));
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}
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void AnalyseGui::Open()
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{
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FileSelector fsel;
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fsel.ExecuteOpen("Select file");
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String fileName = fsel.Get();
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if(fileName == "")
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return;
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source <<= LoadFile(fileName);
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UpdateMetric();
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Title(defaultTitle + " [" + fileName + "]");
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}
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void AnalyseGui::UpdateMetric()
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{
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String s = ~source;
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CodeMetric metric(s);
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chart.Clear();
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for(int i = 0; i < metric.functions.GetCount(); i++)
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{
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CodeMetric::FunctionEntry & entry =
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metric.functions[i];
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chart.Add(entry.name,
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entry.pos,
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entry.cyclomaticComplexity1,
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entry.cyclomaticComplexity2,
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entry.logicalLinesOfCode,
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entry.scopeDepth);
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}
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textMetric.SetData(metric.ToString());
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}
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void AnalyseGui::GotoFunction()
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{
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int cursor = chart.GetCursor();
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if(cursor >= 0 && cursor < chart.GetCount())
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{
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int pos = (int)chart.Get(cursor, 1);
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source.SetCursor( source.GetPos(pos) );
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source.CenterCursor();
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}
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}
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AnalyseGui::AnalyseGui() :
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ccDisplay(50), llocDisplay(80), depthDisplay(5)
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{
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Title(defaultTitle);
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Icon(Images::GaugeIcon);
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AddFrame(menu);
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menu.Set( THISBACK(MainMenu) );
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source <<= THISBACK(UpdateMetric);
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source <<= defaultCode;
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textMetric.SetEditable(false);
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chart.AddColumn("Function", 80);
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chart.AddColumn("Pos", 15);
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chart.AddColumn("CC1", 15).SetDisplay(ccDisplay);
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chart.AddColumn("CC2", 15).SetDisplay(ccDisplay);
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chart.AddColumn("LLOC", 15).SetDisplay(llocDisplay);
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chart.AddColumn("Depth", 15).SetDisplay(depthDisplay);
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chart.WhenLeftDouble = THISBACK(GotoFunction);
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UpdateMetric();
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splitter.Vert() << source << chart << textMetric;
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splitter.SetPos(9000, 1);
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splitter.SetPos(6500, 0);
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Add(splitter.SizePos());
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Sizeable().Zoomable();
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}
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GUI_APP_MAIN
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{
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AnalyseGui().Run();
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}
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