hohn/codeql
1
0
Fork 0
mirror of https://github.com/github/codeql.git synced 2026-05-02 12:15:17 +02:00
Code Issues Packages Projects Releases Wiki Activity

Data flow: Sync

Browse Source
This commit is contained in:
Tom Hvitved
2022-01-21 09:30:01 +01:00
parent f1a2b21e44
commit cba733136c
2 changed files with 24 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
java/ql/lib/semmle/code/java/dataflow/internal/FlowSummaryImpl.qll
View File

@@ -171,15 +171,20 @@ module Public {
)
}
private newtype TRequiredSummaryComponentStack = MkRequiredSummaryComponentStack()
/**
* A class that exists for QL technical reasons only (the IPA type used
* to represent component stacks needs to be bounded).
*/
abstract class RequiredSummaryComponentStack extends SummaryComponentStack {
class RequiredSummaryComponentStack extends TRequiredSummaryComponentStack {
/** Gets a textual representation of this element. */
string toString() { none() }
/**
* Holds if the stack obtained by pushing `head` onto `tail` is required.
*/
abstract predicate required(SummaryComponent c);
predicate required(SummaryComponent head, SummaryComponentStack tail) { none() }
}
/** A callable with a flow summary. */
@@ -240,9 +245,9 @@ module Private {
newtype TSummaryComponentStack =
TSingletonSummaryComponentStack(SummaryComponent c) or
TConsSummaryComponentStack(SummaryComponent head, SummaryComponentStack tail) {
tail.(RequiredSummaryComponentStack).required(head)
any(RequiredSummaryComponentStack x).required(head, tail)
or
tail.(RequiredSummaryComponentStack).required(TParameterSummaryComponent(_)) and
any(RequiredSummaryComponentStack x).required(TParameterSummaryComponent(_), tail) and
head = thisParam()
or
derivedFluentFlowPush(_, _, _, head, tail, _)
@@ -890,9 +895,9 @@ module Private {
}
private class MkStack extends RequiredSummaryComponentStack {
MkStack() { interpretSpec(_, _, _, this) }
override predicate required(SummaryComponent c) { interpretSpec(_, _, c, this) }
override predicate required(SummaryComponent head, SummaryComponentStack tail) {
interpretSpec(_, _, head, tail)
}
}
private class SummarizedCallableExternal extends SummarizedCallable {

19
ruby/ql/lib/codeql/ruby/dataflow/internal/FlowSummaryImpl.qll
View File

@@ -171,15 +171,20 @@ module Public {
)
}
private newtype TRequiredSummaryComponentStack = MkRequiredSummaryComponentStack()
/**
* A class that exists for QL technical reasons only (the IPA type used
* to represent component stacks needs to be bounded).
*/
abstract class RequiredSummaryComponentStack extends SummaryComponentStack {
class RequiredSummaryComponentStack extends TRequiredSummaryComponentStack {
/** Gets a textual representation of this element. */
string toString() { none() }
/**
* Holds if the stack obtained by pushing `head` onto `tail` is required.
*/
abstract predicate required(SummaryComponent c);
predicate required(SummaryComponent head, SummaryComponentStack tail) { none() }
}
/** A callable with a flow summary. */
@@ -240,9 +245,9 @@ module Private {
newtype TSummaryComponentStack =
TSingletonSummaryComponentStack(SummaryComponent c) or
TConsSummaryComponentStack(SummaryComponent head, SummaryComponentStack tail) {
tail.(RequiredSummaryComponentStack).required(head)
any(RequiredSummaryComponentStack x).required(head, tail)
or
tail.(RequiredSummaryComponentStack).required(TParameterSummaryComponent(_)) and
any(RequiredSummaryComponentStack x).required(TParameterSummaryComponent(_), tail) and
head = thisParam()
or
derivedFluentFlowPush(_, _, _, head, tail, _)
@@ -890,9 +895,9 @@ module Private {
}
private class MkStack extends RequiredSummaryComponentStack {
MkStack() { interpretSpec(_, _, _, this) }
override predicate required(SummaryComponent c) { interpretSpec(_, _, c, this) }
override predicate required(SummaryComponent head, SummaryComponentStack tail) {
interpretSpec(_, _, head, tail)
}
}
private class SummarizedCallableExternal extends SummarizedCallable {