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

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Revision 93333 - (show annotations)
Tue Nov 12 22:48:07 2013 UTC (6 years ago) by zurfluhs
File size: 5255 byte(s)
Code Analysis

- library, nonlibrary (and both) rule types
- improved status report during and after analysis
- GUI: created (yet unused) tool window skeleton
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 rules.extend (create {CA_FEATURE_NEVER_CALLED_RULE}.make)
30 rules.extend (create {CA_CQ_SEPARATION_RULE}.make)
31 -- Issues (contract violations, exceptions) with {EPA_CFG_BUILDER} and
32 -- classes from library 'program_analysis' in general.
33 -- rules.extend (create {CA_VARIABLE_NOT_READ_RULE}.make)
34
35 create classes_to_analyze.make
36 create rule_violations.make (100)
37 create completed_actions
38 end
39
40 feature -- Analysis interface
41
42 add_completed_action (a_action: PROCEDURE [ANY, TUPLE [BOOLEAN] ])
43 do
44 completed_actions.extend (a_action)
45 end
46
47 analyze
48 require
49 not is_running
50 local
51 l_rules_checker: CA_ALL_RULES_CHECKER
52 do
53 is_running := True
54
55 create l_rules_checker.make
56 across rules as l_rules loop
57 if l_rules.item.is_enabled then -- important: only add enabled rules
58 if system_wide_check or else (not l_rules.item.is_system_wide) then
59 -- do not add system wide rules if we check only parts of the system
60 if attached {CA_STANDARD_RULE} l_rules.item as l_std_rule then
61 l_std_rule.prepare_checking (l_rules_checker)
62 -- TODO: prepare rules of other types?
63 end
64 end
65 end
66 end
67
68 across classes_to_analyze as l_classes loop
69
70 -- TODO: more elegant and performant solution?
71 across rules as l_rules loop
72 l_rules.item.set_checking_class (l_classes.item)
73 -- If rule is non-standard then it will not be checked by l_rules_checker.
74 -- We will have the rule check the current class here:
75 if attached {CA_CFG_RULE} l_rules.item as l_cfg_rule then
76 l_cfg_rule.check_class (l_classes.item)
77 end
78 end
79
80 l_rules_checker.run_on_class (l_classes.item)
81
82 rule_violations.extend (create {SORTED_TWO_WAY_LIST[CA_RULE_VIOLATION]}.make, l_classes.item)
83 end
84
85 across rules as l_rules loop
86 across l_rules.item.violations as l_v loop
87 rule_violations.at (l_v.item.affected_class).extend (l_v.item)
88 end
89 end
90
91 clear_classes_to_analyze
92
93 is_running := False
94 completed_actions.call ([True])
95 completed_actions.wipe_out
96 ensure
97 violation_list_exists: analysis_successful implies rule_violations /= Void
98 not is_running
99 end
100
101 clear_classes_to_analyze
102 do
103 classes_to_analyze.wipe_out
104 end
105
106 add_whole_system
107 local
108 l_groups: LIST [CONF_GROUP]
109 l_cluster: CLUSTER_I
110 do
111 from
112 l_groups := eiffel_universe.groups
113 l_groups.start
114 until
115 l_groups.after
116 loop
117 l_cluster ?= l_groups.item_for_iteration
118 -- Only load top-level clusters, as they are loaded recursively afterwards
119 if l_cluster /= Void and then l_cluster.parent_cluster = Void then
120 add_cluster (l_cluster)
121 end
122 l_groups.forth
123 end
124
125 system_wide_check := True
126 end
127
128 add_cluster (a_cluster: CLUSTER_I)
129 local
130 l_conf_class: CONF_CLASS
131 l_class_i: CLASS_I
132 do
133 system_wide_check := False
134
135 from
136 a_cluster.classes.start
137 until
138 a_cluster.classes.after
139 loop
140 l_conf_class := a_cluster.classes.item_for_iteration
141 l_class_i := eiffel_universe.class_named (l_conf_class.name, a_cluster)
142 add_class (l_class_i)
143 a_cluster.classes.forth
144 end
145 if a_cluster.sub_clusters /= Void then
146 from
147 a_cluster.sub_clusters.start
148 until
149 a_cluster.sub_clusters.after
150 loop
151 add_cluster (a_cluster.sub_clusters.item_for_iteration)
152 a_cluster.sub_clusters.forth
153 end
154 end
155 end
156
157 add_group (a_group: CONF_GROUP)
158 require
159 a_group_not_void: a_group /= Void
160 local
161 l_conf_class: CONF_CLASS
162 l_class_i: CLASS_I
163 do
164 from
165 a_group.classes.start
166 until
167 a_group.classes.after
168 loop
169 l_conf_class := a_group.classes.item_for_iteration
170 l_class_i := eiffel_universe.class_named (l_conf_class.name, a_group)
171 add_class (l_class_i)
172 a_group.classes.forth
173 end
174 end
175
176 add_classes (a_classes: ITERABLE[CLASS_I])
177 do
178 system_wide_check := False
179
180 across a_classes as l_classes loop
181 add_class (l_classes.item)
182 end
183 end
184
185 add_class (a_class: CLASS_I)
186 local
187 l_class_c: CLASS_C
188 do
189 system_wide_check := False
190
191 if a_class.is_compiled then
192 l_class_c := a_class.compiled_class
193 check l_class_c /= Void end
194 classes_to_analyze.extend (l_class_c)
195 else
196 print ("Class " + a_class.name + " not compiled (skipped).%N")
197 end
198 end
199
200 feature -- Properties
201
202 is_running: BOOLEAN
203
204 analysis_successful: BOOLEAN
205
206 rules: LINKED_LIST[CA_RULE]
207
208 rule_violations: detachable HASH_TABLE[SORTED_TWO_WAY_LIST[CA_RULE_VIOLATION], CLASS_C]
209
210 feature {NONE} -- Implementation
211
212 settings: CA_SETTINGS
213
214 classes_to_analyze: LINKED_SET[CLASS_C]
215
216 system_wide_check: BOOLEAN
217
218 completed_actions: ACTION_SEQUENCE [ TUPLE [BOOLEAN] ]
219
220 end

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