warn.py revision e6b4e5b20ac8a3b01f1a99dd877a98c92036ce5e 
1#!/usr/bin/env python
2
3import sys
4import re
5
6if len(sys.argv) == 1:
7    print 'usage: ' + sys.argv[0] + ' <build.log>'
8    sys.exit()
9
10# if you add another level, don't forget to give it a color below
11class severity:
12    UNKNOWN=0
13    SKIP=100
14    FIXMENOW=1
15    HIGH=2
16    MEDIUM=3
17    LOW=4
18    HARMLESS=5
19
20def colorforseverity(sev):
21    if sev == severity.FIXMENOW:
22        return 'fuchsia'
23    if sev == severity.HIGH:
24        return 'red'
25    if sev == severity.MEDIUM:
26        return 'orange'
27    if sev == severity.LOW:
28        return 'yellow'
29    if sev == severity.HARMLESS:
30        return 'limegreen'
31    if sev == severity.UNKNOWN:
32        return 'blue'
33    return 'grey'
34
35warnpatterns = [
36    { 'category':'make',    'severity':severity.MEDIUM,   'members':[], 'option':'',
37        'description':'make: overriding commands/ignoring old commands',
38        'patterns':[r".*: warning: overriding commands for target .+",
39                    r".*: warning: ignoring old commands for target .+"] },
40    { 'category':'C/C++',   'severity':severity.HIGH,     'members':[], 'option':'-Wimplicit-function-declaration',
41        'description':'Implicit function declaration',
42        'patterns':[r".*: warning: implicit declaration of function .+"] },
43    { 'category':'C/C++',   'severity':severity.SKIP,     'members':[], 'option':'',
44        'description':'',
45        'patterns':[r".*: warning: conflicting types for '.+'"] },
46    { 'category':'C/C++',   'severity':severity.HIGH,     'members':[], 'option':'-Wtype-limits',
47        'description':'Expression always evaluates to true or false',
48        'patterns':[r".*: warning: comparison is always false due to limited range of data type",
49                    r".*: warning: comparison of unsigned expression >= 0 is always true",
50                    r".*: warning: comparison of unsigned expression < 0 is always false"] },
51    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'',
52        'description':'Incompatible pointer types',
53        'patterns':[r".*: warning: assignment from incompatible pointer type",
54                    r".*: warning: passing argument [0-9]+ of '.*' from incompatible pointer type",
55                    r".*: warning: initialization from incompatible pointer type"] },
56    { 'category':'C/C++',   'severity':severity.HIGH,     'members':[], 'option':'-fno-builtin',
57        'description':'Incompatible declaration of built in function',
58        'patterns':[r".*: warning: incompatible implicit declaration of built-in function .+"] },
59    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'-Wunused-parameter',
60        'description':'Unused parameter',
61        'patterns':[r".*: warning: unused parameter '.*'"] },
62    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'-Wunused',
63        'description':'Unused function, variable or label',
64        'patterns':[r".*: warning: '.+' defined but not used"] },
65    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'-Wunused-value',
66        'description':'Statement with no effect',
67        'patterns':[r".*: warning: statement with no effect"] },
68    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'-Wmissing-field-initializers',
69        'description':'Missing initializer',
70        'patterns':[r".*: warning: missing initializer"] },
71    { 'category':'cont.',   'severity':severity.SKIP,     'members':[], 'option':'',
72        'description':'',
73        'patterns':[r".*: warning: \(near initialization for '.+'\)"] },
74    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'-Wformat',
75        'description':'Format string does not match arguments',
76        'patterns':[r".*: warning: format '.+' expects type '.+', but argument [0-9]+ has type '.+'"] },
77    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'-Wformat-extra-args',
78        'description':'Too many arguments for format string',
79        'patterns':[r".*: warning: too many arguments for format"] },
80    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'-Wsign-compare',
81        'description':'Comparison between signed and unsigned',
82        'patterns':[r".*: warning: comparison between signed and unsigned",
83                    r".*: warning: comparison of promoted \~unsigned with unsigned",
84                    r".*: warning: signed and unsigned type in conditional expression"] },
85    { 'category':'libpng',  'severity':severity.MEDIUM,   'members':[], 'option':'',
86        'description':'libpng: zero area',
87        'patterns':[r".*libpng warning: Ignoring attempt to set cHRM RGB triangle with zero area"] },
88    { 'category':'aapt',    'severity':severity.MEDIUM,   'members':[], 'option':'',
89        'description':'aapt: no comment for public symbol',
90        'patterns':[r".*: warning: No comment for public symbol .+"] },
91    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'-Wmissing-braces',
92        'description':'Missing braces around initializer',
93        'patterns':[r".*: warning: missing braces around initializer.*"] },
94    { 'category':'C/C++',   'severity':severity.HARMLESS, 'members':[], 'option':'',
95        'description':'No newline at end of file',
96        'patterns':[r".*: warning: no newline at end of file"] },
97    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'-Wcast-qual',
98        'description':'Qualifier discarded',
99        'patterns':[r".*: warning: passing argument [0-9]+ of '.+' discards qualifiers from pointer target type",
100                    r".*: warning: assignment discards qualifiers from pointer target type",
101                    r".*: warning: return discards qualifiers from pointer target type"] },
102    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'-Wattributes',
103        'description':'Attribute ignored',
104        'patterns':[r".*: warning: '_*packed_*' attribute ignored"] },
105    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'-Wattributes',
106        'description':'Visibility mismatch',
107        'patterns':[r".*: warning: '.+' declared with greater visibility than the type of its field '.+'"] },
108    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'',
109        'description':'Shift count greater than width of type',
110        'patterns':[r".*: warning: (left|right) shift count >= width of type"] },
111    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'',
112        'description':'extern &lt;foo&gt; is initialized',
113        'patterns':[r".*: warning: '.+' initialized and declared 'extern'"] },
114    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'-Wold-style-declaration',
115        'description':'Old style declaration',
116        'patterns':[r".*: warning: 'static' is not at beginning of declaration"] },
117    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'-Wuninitialized',
118        'description':'Variable may be used uninitialized',
119        'patterns':[r".*: warning: '.+' may be used uninitialized in this function"] },
120    { 'category':'C/C++',   'severity':severity.HIGH,     'members':[], 'option':'-Wuninitialized',
121        'description':'Variable is used uninitialized',
122        'patterns':[r".*: warning: '.+' is used uninitialized in this function"] },
123    { 'category':'ld',      'severity':severity.MEDIUM,   'members':[], 'option':'-fshort-enums',
124        'description':'ld: possible enum size mismatch',
125        'patterns':[r".*: warning: .* uses variable-size enums yet the output is to use 32-bit enums; use of enum values across objects may fail"] },
126    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'-Wpointer-sign',
127        'description':'Pointer targets differ in signedness',
128        'patterns':[r".*: warning: pointer targets in initialization differ in signedness",
129                    r".*: warning: pointer targets in assignment differ in signedness",
130                    r".*: warning: pointer targets in return differ in signedness",
131                    r".*: warning: pointer targets in passing argument [0-9]+ of '.+' differ in signedness"] },
132    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'-Wstrict-overflow',
133        'description':'Assuming overflow does not occur',
134        'patterns':[r".*: warning: assuming signed overflow does not occur when assuming that .* is always (true|false)"] },
135    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'-Wempty-body',
136        'description':'Suggest adding braces around empty body',
137        'patterns':[r".*: warning: suggest braces around empty body in an 'if' statement",
138                    r".*: warning: empty body in an if-statement",
139                    r".*: warning: suggest braces around empty body in an 'else' statement",
140                    r".*: warning: empty body in an else-statement"] },
141    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'-Wparentheses',
142        'description':'Suggest adding parentheses',
143        'patterns':[r".*: warning: suggest explicit braces to avoid ambiguous 'else'",
144                    r".*: warning: suggest parentheses around arithmetic in operand of '.+'",
145                    r".*: warning: suggest parentheses around comparison in operand of '.+'",
146                    r".*: warning: suggest parentheses around '.+?' .+ '.+?'",
147                    r".*: warning: suggest parentheses around assignment used as truth value"] },
148    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'',
149        'description':'Static variable used in non-static inline function',
150        'patterns':[r".*: warning: '.+' is static but used in inline function '.+' which is not static"] },
151    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'-Wimplicit int',
152        'description':'No type or storage class (will default to int)',
153        'patterns':[r".*: warning: data definition has no type or storage class"] },
154    { 'category':'cont.',   'severity':severity.SKIP,     'members':[], 'option':'',
155        'description':'',
156        'patterns':[r".*: warning: type defaults to 'int' in declaration of '.+'"] },
157    { 'category':'cont.',   'severity':severity.SKIP,     'members':[], 'option':'',
158        'description':'',
159        'patterns':[r".*: warning: parameter names \(without types\) in function declaration"] },
160    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'-Wstrict-aliasing',
161        'description':'Dereferencing &lt;foo&gt; breaks strict aliasing rules',
162        'patterns':[r".*: warning: dereferencing .* break strict-aliasing rules"] },
163    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'-Wpointer-to-int-cast',
164        'description':'Cast from pointer to integer of different size',
165        'patterns':[r".*: warning: cast from pointer to integer of different size"] },
166    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'-Wint-to-pointer-cast',
167        'description':'Cast to pointer from integer of different size',
168        'patterns':[r".*: warning: cast to pointer from integer of different size"] },
169    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'',
170        'description':'Symbol redefined',
171        'patterns':[r".*: warning: "".+"" redefined"] },
172    { 'category':'cont.',   'severity':severity.SKIP,     'members':[], 'option':'',
173        'description':'',
174        'patterns':[r".*: warning: this is the location of the previous definition"] },
175    { 'category':'ld',      'severity':severity.MEDIUM,   'members':[], 'option':'',
176        'description':'ld: type and size of dynamic symbol are not defined',
177        'patterns':[r".*: warning: type and size of dynamic symbol `.+' are not defined"] },
178    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'',
179        'description':'Pointer from integer without cast',
180        'patterns':[r".*: warning: assignment makes pointer from integer without a cast"] },
181    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'',
182        'description':'Pointer from integer without cast',
183        'patterns':[r".*: warning: passing argument [0-9]+ of '.+' makes pointer from integer without a cast"] },
184    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'',
185        'description':'Integer from pointer without cast',
186        'patterns':[r".*: warning: assignment makes integer from pointer without a cast"] },
187    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'',
188        'description':'Integer from pointer without cast',
189        'patterns':[r".*: warning: passing argument [0-9]+ of '.+' makes integer from pointer without a cast"] },
190    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'',
191        'description':'Integer from pointer without cast',
192        'patterns':[r".*: warning: return makes integer from pointer without a cast"] },
193    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'-Wunknown-pragmas',
194        'description':'Ignoring pragma',
195        'patterns':[r".*: warning: ignoring #pragma .+"] },
196    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'-Wclobbered',
197        'description':'Variable might be clobbered by longjmp or vfork',
198        'patterns':[r".*: warning: variable '.+' might be clobbered by 'longjmp' or 'vfork'"] },
199    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'-Wclobbered',
200        'description':'Argument might be clobbered by longjmp or vfork',
201        'patterns':[r".*: warning: argument '.+' might be clobbered by 'longjmp' or 'vfork'"] },
202    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'-Wredundant-decls',
203        'description':'Redundant declaration',
204        'patterns':[r".*: warning: redundant redeclaration of '.+'"] },
205    { 'category':'cont.',   'severity':severity.SKIP,     'members':[], 'option':'',
206        'description':'',
207        'patterns':[r".*: warning: previous declaration of '.+' was here"] },
208    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'-Wswitch-enum',
209        'description':'Enum value not handled in switch',
210        'patterns':[r".*: warning: enumeration value '.+' not handled in switch"] },
211    { 'category':'java',    'severity':severity.MEDIUM,   'members':[], 'option':'-encoding',
212        'description':'Java: Non-ascii characters used, but ascii encoding specified',
213        'patterns':[r".*: warning: unmappable character for encoding ascii"] },
214    { 'category':'java',    'severity':severity.MEDIUM,   'members':[], 'option':'',
215        'description':'Java: Non-varargs call of varargs method with inexact argument type for last parameter',
216        'patterns':[r".*: warning: non-varargs call of varargs method with inexact argument type for last parameter"] },
217    { 'category':'aapt',    'severity':severity.MEDIUM,   'members':[], 'option':'',
218        'description':'aapt: String marked untranslatable, but translation exists',
219        'patterns':[r".*: warning: string '.+' in .* marked untranslatable but exists in locale '??_??'"] },
220    { 'category':'aapt',    'severity':severity.MEDIUM,   'members':[], 'option':'',
221        'description':'aapt: empty span in string',
222        'patterns':[r".*: warning: empty '.+' span found in text '.+"] },
223    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'',
224        'description':'Taking address of temporary',
225        'patterns':[r".*: warning: taking address of temporary"] },
226    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'',
227        'description':'Possible broken line continuation',
228        'patterns':[r".*: warning: backslash and newline separated by space"] },
229    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'-Warray-bounds',
230        'description':'Array subscript out of bounds',
231        'patterns':[r".*: warning: array subscript is above array bounds"] },
232    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'',
233        'description':'Decimal constant is unsigned only in ISO C90',
234        'patterns':[r".*: warning: this decimal constant is unsigned only in ISO C90"] },
235    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'-Wmain',
236        'description':'main is usually a function',
237        'patterns':[r".*: warning: 'main' is usually a function"] },
238    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'',
239        'description':'Typedef ignored',
240        'patterns':[r".*: warning: 'typedef' was ignored in this declaration"] },
241    { 'category':'C/C++',   'severity':severity.HIGH,     'members':[], 'option':'-Waddress',
242        'description':'Address always evaluates to true',
243        'patterns':[r".*: warning: the address of '.+' will always evaluate as 'true'"] },
244    { 'category':'C/C++',   'severity':severity.FIXMENOW, 'members':[], 'option':'',
245        'description':'Freeing a non-heap object',
246        'patterns':[r".*: warning: attempt to free a non-heap object '.+'"] },
247    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'-Wchar-subscripts',
248        'description':'Array subscript has type char',
249        'patterns':[r".*: warning: array subscript has type 'char'"] },
250    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'',
251        'description':'Constant too large for type',
252        'patterns':[r".*: warning: integer constant is too large for '.+' type"] },
253    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'-Woverflow',
254        'description':'Constant too large for type, truncated',
255        'patterns':[r".*: warning: large integer implicitly truncated to unsigned type"] },
256    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'-Woverflow',
257        'description':'Overflow in implicit constant conversion',
258        'patterns':[r".*: warning: overflow in implicit constant conversion"] },
259    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'',
260        'description':'Declaration does not declare anything',
261        'patterns':[r".*: warning: declaration 'class .+' does not declare anything"] },
262    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'-Wreorder',
263        'description':'Initialization order will be different',
264        'patterns':[r".*: warning: '.+' will be initialized after"] },
265    { 'category':'cont.',   'severity':severity.SKIP,     'members':[], 'option':'',
266        'description':'',
267        'patterns':[r".*: warning:   '.+'"] },
268    { 'category':'cont.',   'severity':severity.SKIP,     'members':[], 'option':'',
269        'description':'',
270        'patterns':[r".*: warning:   when initialized here"] },
271    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'-Wmissing-parameter-type',
272        'description':'Parameter type not specified',
273        'patterns':[r".*: warning: type of '.+' defaults to 'int'"] },
274    { 'category':'gcc',     'severity':severity.MEDIUM,   'members':[], 'option':'',
275        'description':'Invalid option for C file',
276        'patterns':[r".*: warning: command line option "".+"" is valid for C\+\+\/ObjC\+\+ but not for C"] },
277    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'',
278        'description':'User warning',
279        'patterns':[r".*: warning: #warning "".+"""] },
280    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'-Wextra',
281        'description':'Dereferencing void*',
282        'patterns':[r".*: warning: dereferencing 'void \*' pointer"] },
283    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'-Wextra',
284        'description':'Comparison of pointer to zero',
285        'patterns':[r".*: warning: ordered comparison of pointer with integer zero"] },
286    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'-Wwrite-strings',
287        'description':'Conversion of string constant to non-const char*',
288        'patterns':[r".*: warning: deprecated conversion from string constant to '.+'"] },
289    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'-Wstrict-prototypes',
290        'description':'Function declaration isn''t a prototype',
291        'patterns':[r".*: warning: function declaration isn't a prototype"] },
292    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'-Wignored-qualifiers',
293        'description':'Type qualifiers ignored on function return value',
294        'patterns':[r".*: warning: type qualifiers ignored on function return type"] },
295    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'',
296        'description':'&lt;foo&gt; declared inside parameter list, scope limited to this definition',
297        'patterns':[r".*: warning: '.+' declared inside parameter list"] },
298    { 'category':'cont.',   'severity':severity.SKIP,     'members':[], 'option':'',
299        'description':'',
300        'patterns':[r".*: warning: its scope is only this definition or declaration, which is probably not what you want"] },
301    { 'category':'C/C++',   'severity':severity.LOW,      'members':[], 'option':'-Wcomment',
302        'description':'Line continuation inside comment',
303        'patterns':[r".*: warning: multi-line comment"] },
304    { 'category':'C/C++',   'severity':severity.HARMLESS, 'members':[], 'option':'',
305        'description':'Extra tokens after #endif',
306        'patterns':[r".*: warning: extra tokens at end of #endif directive"] },
307    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'-Wenum-compare',
308        'description':'Comparison between different enums',
309        'patterns':[r".*: warning: comparison between 'enum .+' and 'enum .+'"] },
310    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'-Wconversion',
311        'description':'Implicit conversion of negative number to unsigned type',
312        'patterns':[r".*: warning: converting negative value '.+' to '.+'"] },
313    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'',
314        'description':'Passing NULL as non-pointer argument',
315        'patterns':[r".*: warning: passing NULL to non-pointer argument [0-9]+ of '.+'"] },
316    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'-Wctor-dtor-privacy',
317        'description':'Class seems unusable because of private ctor/dtor' ,
318        'patterns':[r".*: warning: all member functions in class '.+' are private"] },
319    # skip this next one, because it only points out some RefBase-based classes where having a private destructor is perfectly fine
320    { 'category':'C/C++',   'severity':severity.SKIP,     'members':[], 'option':'-Wctor-dtor-privacy',
321        'description':'Class seems unusable because of private ctor/dtor' ,
322        'patterns':[r".*: warning: 'class .+' only defines a private destructor and has no friends"] },
323    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'-Wctor-dtor-privacy',
324        'description':'Class seems unusable because of private ctor/dtor' ,
325        'patterns':[r".*: warning: 'class .+' only defines private constructors and has no friends"] },
326    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'-Wpointer-arith',
327        'description':'void* used in arithmetic' ,
328        'patterns':[r".*: warning: pointer of type 'void \*' used in (arithmetic|subtraction)",
329                    r".*: warning: wrong type argument to increment"] },
330    { 'category':'C/C++',   'severity':severity.MEDIUM,   'members':[], 'option':'-Wsign-promo',
331        'description':'Overload resolution chose to promote from unsigned or enum to signed type' ,
332        'patterns':[r".*: warning: passing '.+' chooses 'int' over '.* int'"] },
333    { 'category':'cont.',   'severity':severity.SKIP,     'members':[], 'option':'',
334        'description':'',
335        'patterns':[r".*: warning:   in call to '.+'"] },
336    { 'category':'C/C++',   'severity':severity.HIGH,     'members':[], 'option':'-Wextra',
337        'description':'Base should be explicitly initialized in copy constructor',
338        'patterns':[r".*: warning: base class '.+' should be explicitly initialized in the copy constructor"] },
339    { 'category':'C/C++',   'severity':severity.MEDIUM,     'members':[], 'option':'',
340        'description':'Converting from <type> to <other type>',
341        'patterns':[r".*: warning: converting to '.+' from '.+'"] },
342
343    # these next ones are to deal with formatting problems resulting from the log being mixed up by 'make -j'
344    { 'category':'C/C++',   'severity':severity.SKIP,     'members':[], 'option':'',
345        'description':'',
346        'patterns':[r".*: warning: ,$"] },
347    { 'category':'C/C++',   'severity':severity.SKIP,     'members':[], 'option':'',
348        'description':'',
349        'patterns':[r".*: warning: $"] },
350    { 'category':'C/C++',   'severity':severity.SKIP,     'members':[], 'option':'',
351        'description':'',
352        'patterns':[r".*: warning: In file included from .+,"] },
353
354    # catch-all for warnings this script doesn't know about yet
355    { 'category':'C/C++',   'severity':severity.UNKNOWN,  'members':[], 'option':'',
356        'description':'Unclassified/unrecognized warnings',
357        'patterns':[r".*: warning: .+"] },
358]
359
360anchor = 0
361cur_row_color = 0
362row_colors = [ 'e0e0e0', 'd0d0d0' ]
363
364def output(text):
365    print text,
366
367def htmlbig(param):
368    return '<font size="+2">' + param + '</font>'
369
370def dumphtmlprologue(title):
371    output('<html>\n<head>\n<title>' + title + '</title>\n<body>\n')
372    output(htmlbig(title))
373    output('<p>\n')
374
375def tablerow(text):
376    global cur_row_color
377    output('<tr bgcolor="' + row_colors[cur_row_color] + '"><td colspan="2">',)
378    cur_row_color = 1 - cur_row_color
379    output(text,)
380    output('</td></tr>')
381
382def begintable(text, backgroundcolor):
383    global anchor
384    output('<table border="1" rules="cols" frame="box" width="100%" bgcolor="black"><tr bgcolor="' +
385        backgroundcolor + '"><a name="anchor' + str(anchor) + '"><td>')
386    output(htmlbig(text[0]) + '<br>')
387    for i in text[1:]:
388        output(i + '<br>')
389    output('</td>')
390    output('<td width="100" bgcolor="grey"><a align="right" href="#anchor' + str(anchor-1) +
391        '">previous</a><br><a align="right" href="#anchor' + str(anchor+1) + '">next</a>')
392    output('</td></a></tr>')
393    anchor += 1
394
395def endtable():
396    output('</table><p>')
397
398
399# dump some stats about total number of warnings and such
400def dumpstats():
401    known = 0
402    unknown = 0
403    for i in warnpatterns:
404        if i['severity'] == severity.UNKNOWN:
405            unknown += len(i['members'])
406        elif i['severity'] != severity.SKIP:
407            known += len(i['members'])
408    output('Number of classified warnings: <b>' + str(known) + '</b><br>' )
409    output('Number of unclassified warnings: <b>' + str(unknown) + '</b><br>')
410    total = unknown + known
411    output('Total number of warnings: <b>' + str(total) + '</b>')
412    if total < 1000:
413        output('(low count may indicate incremental build)')
414    output('<p>')
415
416def allpatterns(cat):
417    pats = ''
418    for i in cat['patterns']:
419        pats += i
420        pats += ' / '
421    return pats
422
423def descriptionfor(cat):
424    if cat['description'] != '':
425        return cat['description']
426    return allpatterns(cat)
427
428
429# show which warnings no longer occur
430def dumpfixed():
431    tablestarted = False
432    for i in warnpatterns:
433        if len(i['members']) == 0 and i['severity'] != severity.SKIP:
434            if tablestarted == False:
435                tablestarted = True
436                begintable(['Fixed warnings', 'No more occurences. Please consider turning these in to errors if possible, before they are reintroduced in to the build'], 'blue')
437            tablerow(i['description'] + ' (' + allpatterns(i) + ') ' + i['option'])
438    if tablestarted:
439        endtable()
440
441
442# dump a category, provided it is not marked as 'SKIP' and has more than 0 occurrences
443def dumpcategory(cat):
444    if cat['severity'] != severity.SKIP and len(cat['members']) != 0:
445        header = [descriptionfor(cat),str(len(cat['members'])) + ' occurences:']
446        if cat['option'] != '':
447            header[1:1] = [' (related option: ' + cat['option'] +')']
448        begintable(header, colorforseverity(cat['severity']))
449        for i in cat['members']:
450            tablerow(i)
451        endtable()
452
453
454# dump everything for a given severity
455def dumpseverity(sev):
456    for i in warnpatterns:
457        if i['severity'] == sev:
458            dumpcategory(i)
459
460
461def classifywarning(line):
462    for i in warnpatterns:
463        for cpat in i['compiledpatterns']:
464            if cpat.match(line):
465                i['members'].append(line)
466                return
467    else:
468        # If we end up here, there was a problem parsing the log
469        # probably caused by 'make -j' mixing the output from
470        # 2 or more concurrent compiles
471        pass
472
473# precompiling every pattern speeds up parsing by about 30x
474def compilepatterns():
475    for i in warnpatterns:
476        i['compiledpatterns'] = []
477        for pat in i['patterns']:
478            i['compiledpatterns'].append(re.compile(pat))
479
480infile = open(sys.argv[1], 'r')
481warnings = []
482
483platformversion = 'unknown'
484targetproduct = 'unknown'
485targetvariant = 'unknown'
486linecounter = 0
487
488warningpattern = re.compile('.* warning:.*')
489compilepatterns()
490
491# read the log file and classify all the warnings
492lastmatchedline = ''
493for line in infile:
494    if warningpattern.match(line):
495        if line != lastmatchedline:
496            classifywarning(line)
497            lastmatchedline = line
498    else:
499        # save a little bit of time by only doing this for the first few lines
500        if linecounter < 50:
501            linecounter +=1
502            m = re.search('(?<=^PLATFORM_VERSION=).*', line)
503            if m != None:
504                platformversion = m.group(0)
505            m = re.search('(?<=^TARGET_PRODUCT=).*', line)
506            if m != None:
507                targetproduct = m.group(0)
508            m = re.search('(?<=^TARGET_BUILD_VARIANT=).*', line)
509            if m != None:
510                targetvariant = m.group(0)
511
512
513# dump the html output to stdout
514dumphtmlprologue('Warnings for ' + platformversion + ' - ' + targetproduct + ' - ' + targetvariant)
515dumpstats()
516dumpseverity(severity.FIXMENOW)
517dumpseverity(severity.HIGH)
518dumpseverity(severity.MEDIUM)
519dumpseverity(severity.LOW)
520dumpseverity(severity.HARMLESS)
521dumpseverity(severity.UNKNOWN)
522dumpfixed()
523
524