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More performance stuff. (Possibly not all needed.)

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Taus Brock-Nannestad
2019-07-04 17:28:40 +02:00
parent 11ceaf3e3c
commit d2113f1ced
3 changed files with 22 additions and 7 deletions
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12
python/ql/src/analysis/DefinitionTracking.qll
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@@ -229,14 +229,18 @@ private predicate method_callsite_defn(MethodCallsiteRefinement def, Definition
pragma [noinline]
private predicate module_and_name_for_import_star(ModuleObject mod, string name, ImportStarRefinement def) {
exists(ImportStarNode im_star |
im_star = def.getDefiningNode() |
name = def.getSourceVariable().getName() and
im_star.getModule().refersTo(mod) and
module_and_name_for_import_star_helper(mod, name, im_star, def) and
mod.exports(name)
)
}
/** Holds if `def` is technically a defn of `var`, but the `from ... import *` does not in fact define `var` */
pragma [noinline]
private predicate module_and_name_for_import_star_helper(ModuleObject mod, string name, ImportStarNode im_star, ImportStarRefinement def) {
im_star = def.getDefiningNode() and
im_star.getModule().refersTo(mod) and
name = def.getSourceVariable().getName()
}
/** Holds if `def` is technically a defn of `var`, but the `from ... import *` does not in fact define `var` */
pragma [noinline]
private predicate variable_not_redefined_by_import_star(EssaVariable var, ImportStarRefinement def) {
var = def.getInput() and