/[eiffelstudio]/branches/eth/eve/Src/framework/code_analysis/ca_code_analyzer.e
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Contents of /branches/eth/eve/Src/framework/code_analysis/ca_code_analyzer.e

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Revision 93298 - (show annotations)
Sun Nov 10 16:23:07 2013 UTC (6 years ago) by zurfluhs
File size: 4342 byte(s)
Code Analysis:

- CFG rule implementation (issues remaining)
- Rule options design change
- Integer option for NPATH rule
- asynchronous task class
- other minor
1 note
2 description: "Summary description for {CA_CODE_ANALYZER}."
3 author: "Stefan Zurfluh"
4 date: "$Date$"
5 revision: "$Revision$"
6
7 class
8 CA_CODE_ANALYZER
9
10 inherit {NONE}
11 SHARED_EIFFEL_PROJECT
12 CA_SHARED_NAMES
13
14 create
15 make
16
17 feature {NONE} -- Initialization
18
19 make
20 -- Initialization for `Current'.
21 do
22 create settings
23 create rules.make
24 -- Adding example rules
25 rules.extend (create {CA_SELF_ASSIGNMENT_RULE}.make)
26 rules.extend (create {CA_UNUSED_ARGUMENT_RULE}.make)
27 rules.extend (create {CA_NPATH_RULE}.make)
28 rules.extend (create {CA_EMPTY_IF_RULE}.make)
29 -- Issues (contract violations, exceptions) with {EPA_CFG_BUILDER} and
30 -- classes from library 'program_analysis' in general.
31 -- rules.extend (create {CA_VARIABLE_NOT_READ_RULE}.make)
32
33 create classes_to_analyze.make
34 create rule_violations.make (100)
35 end
36
37 feature -- Analysis interface
38
39 analyze
40 local
41 l_rules_checker: CA_ALL_RULES_CHECKER
42 do
43 create l_rules_checker.make
44 across rules as l_rules loop
45 if l_rules.item.is_enabled then -- important: only add enabled rules
46 if system_wide_check or else (not l_rules.item.is_system_wide) then
47 -- do not add system wide rules if we check only parts of the system
48 if attached {CA_STANDARD_RULE} l_rules.item as l_std_rule then
49 l_std_rule.prepare_checking (l_rules_checker)
50 -- TODO: prepare rules of other types?
51 end
52 end
53 end
54 end
55
56 across classes_to_analyze as l_classes loop
57
58 -- TODO: more elegant and performant solution?
59 across rules as l_rules loop
60 l_rules.item.set_checking_class (l_classes.item)
61 -- If rule is non-standard then it will not be checked by l_rules_checker.
62 -- We will have the rule check the current class here:
63 if attached {CA_CFG_RULE} l_rules.item as l_cfg_rule then
64 l_cfg_rule.check_class (l_classes.item)
65 end
66 end
67
68 l_rules_checker.run_on_class (l_classes.item)
69
70 rule_violations.extend (create {SORTED_TWO_WAY_LIST[CA_RULE_VIOLATION]}.make, l_classes.item)
71 end
72
73 across rules as l_rules loop
74 across l_rules.item.violations as l_v loop
75 rule_violations.at (l_v.item.affected_class).extend (l_v.item)
76 end
77 end
78
79 clear_classes_to_analyze
80 ensure
81 violation_list_exists: analysis_successful implies rule_violations /= Void
82 end
83
84 clear_classes_to_analyze
85 do
86 classes_to_analyze.wipe_out
87 end
88
89 add_whole_system
90 local
91 l_groups: LIST [CONF_GROUP]
92 l_cluster: CLUSTER_I
93 do
94 from
95 l_groups := eiffel_universe.groups
96 l_groups.start
97 until
98 l_groups.after
99 loop
100 l_cluster ?= l_groups.item_for_iteration
101 -- Only load top-level clusters, as they are loaded recursively afterwards
102 if l_cluster /= Void and then l_cluster.parent_cluster = Void then
103 add_cluster (l_cluster)
104 end
105 l_groups.forth
106 end
107
108 system_wide_check := True
109 end
110
111 add_cluster (a_cluster: CLUSTER_I)
112 local
113 l_conf_class: CONF_CLASS
114 l_class_i: CLASS_I
115 do
116 system_wide_check := False
117
118 from
119 a_cluster.classes.start
120 until
121 a_cluster.classes.after
122 loop
123 l_conf_class := a_cluster.classes.item_for_iteration
124 l_class_i := eiffel_universe.class_named (l_conf_class.name, a_cluster)
125 add_class (l_class_i)
126 a_cluster.classes.forth
127 end
128 if a_cluster.sub_clusters /= Void then
129 from
130 a_cluster.sub_clusters.start
131 until
132 a_cluster.sub_clusters.after
133 loop
134 add_cluster (a_cluster.sub_clusters.item_for_iteration)
135 a_cluster.sub_clusters.forth
136 end
137 end
138 end
139
140 add_classes (a_classes: ITERABLE[CLASS_I])
141 do
142 system_wide_check := False
143
144 across a_classes as l_classes loop
145 add_class (l_classes.item)
146 end
147 end
148
149 add_class (a_class: CLASS_I)
150 local
151 l_class_c: CLASS_C
152 do
153 system_wide_check := False
154
155 if a_class.is_compiled then
156 l_class_c := a_class.compiled_class
157 check l_class_c /= Void end
158 classes_to_analyze.extend (l_class_c)
159 else
160 print ("Class " + a_class.name + " not compiled (skipped).%N")
161 end
162 end
163
164 feature -- Properties
165
166 analysis_successful: BOOLEAN
167
168 rules: LINKED_LIST[CA_RULE]
169
170 rule_violations: detachable HASH_TABLE[SORTED_TWO_WAY_LIST[CA_RULE_VIOLATION], CLASS_C]
171
172 feature {NONE} -- Implementation
173
174 settings: CA_SETTINGS
175
176 classes_to_analyze: LINKED_SET[CLASS_C]
177
178 system_wide_check: BOOLEAN
179
180
181 end

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