1 | |
|
2 | |
|
3 | |
|
4 | |
|
5 | |
|
6 | |
|
7 | |
|
8 | |
|
9 | |
|
10 | |
|
11 | |
|
12 | |
|
13 | |
|
14 | |
|
15 | |
|
16 | |
|
17 | |
|
18 | |
|
19 | |
package com.puppycrawl.tools.checkstyle.checks.sizes; |
20 | |
|
21 | |
import com.puppycrawl.tools.checkstyle.api.Check; |
22 | |
import com.puppycrawl.tools.checkstyle.api.DetailAST; |
23 | |
import com.puppycrawl.tools.checkstyle.api.FastStack; |
24 | |
import com.puppycrawl.tools.checkstyle.api.TokenTypes; |
25 | |
|
26 | |
|
27 | |
|
28 | |
|
29 | |
|
30 | |
|
31 | |
public final class ExecutableStatementCountCheck |
32 | |
extends Check |
33 | |
{ |
34 | |
|
35 | |
private static final int DEFAULT_MAX = 30; |
36 | |
|
37 | |
|
38 | |
private int mMax; |
39 | |
|
40 | |
|
41 | 5 | private final FastStack<Context> mContextStack = FastStack.newInstance(); |
42 | |
|
43 | |
|
44 | |
private Context mContext; |
45 | |
|
46 | |
|
47 | |
public ExecutableStatementCountCheck() |
48 | 5 | { |
49 | 5 | setMax(DEFAULT_MAX); |
50 | 5 | } |
51 | |
|
52 | |
@Override |
53 | |
public int[] getDefaultTokens() |
54 | |
{ |
55 | 5 | return new int[] { |
56 | |
TokenTypes.CTOR_DEF, |
57 | |
TokenTypes.METHOD_DEF, |
58 | |
TokenTypes.INSTANCE_INIT, |
59 | |
TokenTypes.STATIC_INIT, |
60 | |
TokenTypes.SLIST, |
61 | |
}; |
62 | |
} |
63 | |
|
64 | |
@Override |
65 | |
public int[] getRequiredTokens() |
66 | |
{ |
67 | 4 | return new int[] {TokenTypes.SLIST}; |
68 | |
} |
69 | |
|
70 | |
|
71 | |
|
72 | |
|
73 | |
|
74 | |
public int getMax() |
75 | |
{ |
76 | 40 | return mMax; |
77 | |
} |
78 | |
|
79 | |
|
80 | |
|
81 | |
|
82 | |
|
83 | |
public void setMax(int aMax) |
84 | |
{ |
85 | 10 | mMax = aMax; |
86 | 10 | } |
87 | |
|
88 | |
@Override |
89 | |
public void beginTree(DetailAST aRootAST) |
90 | |
{ |
91 | 5 | mContext = null; |
92 | 5 | mContextStack.clear(); |
93 | 5 | } |
94 | |
|
95 | |
@Override |
96 | |
public void visitToken(DetailAST aAST) |
97 | |
{ |
98 | 190 | switch (aAST.getType()) { |
99 | |
case TokenTypes.CTOR_DEF: |
100 | |
case TokenTypes.METHOD_DEF: |
101 | |
case TokenTypes.INSTANCE_INIT: |
102 | |
case TokenTypes.STATIC_INIT: |
103 | 20 | visitMemberDef(aAST); |
104 | 20 | break; |
105 | |
case TokenTypes.SLIST: |
106 | 170 | visitSlist(aAST); |
107 | 170 | break; |
108 | |
default: |
109 | 0 | throw new IllegalStateException(aAST.toString()); |
110 | |
} |
111 | 190 | } |
112 | |
|
113 | |
@Override |
114 | |
public void leaveToken(DetailAST aAST) |
115 | |
{ |
116 | 190 | switch (aAST.getType()) { |
117 | |
case TokenTypes.CTOR_DEF: |
118 | |
case TokenTypes.METHOD_DEF: |
119 | |
case TokenTypes.INSTANCE_INIT: |
120 | |
case TokenTypes.STATIC_INIT: |
121 | 20 | leaveMemberDef(aAST); |
122 | 20 | break; |
123 | |
case TokenTypes.SLIST: |
124 | |
|
125 | 170 | break; |
126 | |
default: |
127 | 0 | throw new IllegalStateException(aAST.toString()); |
128 | |
} |
129 | 190 | } |
130 | |
|
131 | |
|
132 | |
|
133 | |
|
134 | |
|
135 | |
private void visitMemberDef(DetailAST aAST) |
136 | |
{ |
137 | 20 | mContextStack.push(mContext); |
138 | 20 | mContext = new Context(aAST); |
139 | 20 | } |
140 | |
|
141 | |
|
142 | |
|
143 | |
|
144 | |
|
145 | |
|
146 | |
private void leaveMemberDef(DetailAST aAST) |
147 | |
{ |
148 | 20 | final int count = mContext.getCount(); |
149 | 20 | if (count > getMax()) { |
150 | 20 | log(aAST.getLineNo(), aAST.getColumnNo(), |
151 | |
"executableStatementCount", count, getMax()); |
152 | |
} |
153 | 20 | mContext = mContextStack.pop(); |
154 | 20 | } |
155 | |
|
156 | |
|
157 | |
|
158 | |
|
159 | |
|
160 | |
|
161 | |
private void visitSlist(DetailAST aAST) |
162 | |
{ |
163 | 170 | if (mContext != null) { |
164 | |
|
165 | 70 | final DetailAST contextAST = mContext.getAST(); |
166 | 70 | DetailAST parent = aAST.getParent(); |
167 | 250 | while (parent != null) { |
168 | 250 | final int type = parent.getType(); |
169 | 250 | if ((type == TokenTypes.CTOR_DEF) |
170 | |
|| (type == TokenTypes.METHOD_DEF) |
171 | |
|| (type == TokenTypes.INSTANCE_INIT) |
172 | |
|| (type == TokenTypes.STATIC_INIT)) |
173 | |
{ |
174 | 70 | if (parent == contextAST) { |
175 | 68 | mContext.addCount(aAST.getChildCount() / 2); |
176 | |
} |
177 | |
break; |
178 | |
} |
179 | 180 | parent = parent.getParent(); |
180 | 180 | } |
181 | |
} |
182 | 170 | } |
183 | |
|
184 | |
|
185 | |
|
186 | |
|
187 | |
|
188 | |
private static class Context |
189 | |
{ |
190 | |
|
191 | |
private final DetailAST mAST; |
192 | |
|
193 | |
|
194 | |
private int mCount; |
195 | |
|
196 | |
|
197 | |
|
198 | |
|
199 | |
|
200 | |
public Context(DetailAST aAST) |
201 | 20 | { |
202 | 20 | mAST = aAST; |
203 | 20 | mCount = 0; |
204 | 20 | } |
205 | |
|
206 | |
|
207 | |
|
208 | |
|
209 | |
|
210 | |
public void addCount(int aCount) |
211 | |
{ |
212 | 68 | mCount += aCount; |
213 | 68 | } |
214 | |
|
215 | |
|
216 | |
|
217 | |
|
218 | |
|
219 | |
public DetailAST getAST() |
220 | |
{ |
221 | 70 | return mAST; |
222 | |
} |
223 | |
|
224 | |
|
225 | |
|
226 | |
|
227 | |
|
228 | |
public int getCount() |
229 | |
{ |
230 | 20 | return mCount; |
231 | |
} |
232 | |
} |
233 | |
} |