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comparison trunk/src/cmd/Statistics.d @ 506:1b897a4536a4

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Refactored code and fixed a few things in cmd.Statistics.
author Aziz K?ksal <aziz.koeksal@gmail.com>
date Wed, 12 Dec 2007 02:28:37 +0100
parents ea8c7459f1c4
children 581b3cf3fe8f
comparison
equal deleted inserted replaced
505:3bb94ba21490 506:1b897a4536a4
85 85
86 Statistics getStatistics(string filePath) 86 Statistics getStatistics(string filePath)
87 { 87 {
88 auto sourceText = loadFile(filePath); 88 auto sourceText = loadFile(filePath);
89 auto lx = new Lexer(sourceText, filePath); 89 auto lx = new Lexer(sourceText, filePath);
90 90 lx.scanAll();
91 auto token = lx.getTokens(); 91 auto token = lx.firstToken();
92 92
93 Statistics stats; 93 Statistics stats;
94 94
95 stats.linesOfCode = lx.lineNum; 95 stats.linesOfCode = lx.lineNum;
96 // Traverse linked list. 96 // Traverse linked list.
98 { 98 {
99 token = token.next; 99 token = token.next;
100 100
101 // Count whitespace characters 101 // Count whitespace characters
102 if (token.ws !is null) 102 if (token.ws !is null)
103 stats.whitespaceCount += countWhitespaceCharacters(token.ws, token.start); 103 stats.whitespaceCount += token.start - token.ws;
104 104
105 switch (token.type) 105 switch (token.type)
106 { 106 {
107 case TOK.Identifier: 107 case TOK.Identifier:
108 stats.identCount++; 108 stats.identCount++;
113 case TOK.Int32, TOK.Int64, TOK.Uint32, TOK.Uint64, 113 case TOK.Int32, TOK.Int64, TOK.Uint32, TOK.Uint64,
114 TOK.Float32, TOK.Float64, TOK.Float80, 114 TOK.Float32, TOK.Float64, TOK.Float80,
115 TOK.Imaginary32, TOK.Imaginary64, TOK.Imaginary80: 115 TOK.Imaginary32, TOK.Imaginary64, TOK.Imaginary80:
116 stats.numberCount++; 116 stats.numberCount++;
117 break; 117 break;
118 case TOK.Newline:
119 break;
118 default: 120 default:
119 if (token.isKeyword) 121 if (token.isKeyword)
120 stats.keywordCount++; 122 stats.keywordCount++;
123 else if (token.isWhitespace)
124 stats.wsTokenCount++;
121 } 125 }
122
123 if (token.isWhitespace)
124 stats.wsTokenCount++;
125 } 126 }
126 return stats; 127 return stats;
127 } 128 }
128
129 /// Counts newlines, \t, \v, \f and ' ' as whitespace characters.
130 uint countWhitespaceCharacters(char* p, char* end)
131 {
132 uint count;
133 Loop:
134 while (1)
135 {
136 switch (*p)
137 {
138 case '\r':
139 if (p[1] == '\n')
140 ++p;
141 case '\n':
142 ++p;
143 ++count;
144 break;
145 case LS[0]:
146 if (p[1] == LS[1] && (p[2] == LS[2] || p[2] == PS[2]))
147 {
148 p += 3;
149 ++count;
150 break;
151 }
152 default:
153 if (!dil.Lexer.isspace(*p))
154 break Loop; // Exit loop.
155 ++p;
156 ++count;
157 }
158 }
159 assert(p is end);
160 return count;
161 }