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PS: add a super class for all loop-related CFG nodes.

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This commit is contained in:
Mathias Vorreiter Pedersen
2025-03-28 19:32:36 +00:00
parent 19454a50e9
commit f85767f47e
1 changed files with 29 additions and 25 deletions
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54
powershell/ql/lib/semmle/code/powershell/controlflow/CfgNodes.qll
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@@ -1078,13 +1078,27 @@ module StmtNodes {
StmtCfgNode getBody() { s.hasCfgChild(s.getBody(), this, result) }
}
class DoUntilStmtChildMapping extends NonExprChildMapping, DoUntilStmt {
private class LoopStmtChildMapping extends NonExprChildMapping, LoopStmt {
override predicate relevantChild(Ast child) { child = this.getBody() }
}
class LoopStmtCfgNode extends StmtCfgNode {
override string getAPrimaryQlClass() { result = "LoopStmtCfgNode" }
override LoopStmtChildMapping s;
override LoopStmt getStmt() { result = s }
StmtCfgNode getBody() { s.hasCfgChild(s.getBody(), this, result) }
}
private class DoUntilStmtChildMapping extends LoopStmtChildMapping, DoUntilStmt {
override predicate relevantChild(Ast child) {
child = this.getCondition() or child = this.getBody()
child = this.getCondition() or super.relevantChild(child)
}
}
class DoUntilStmtCfgNode extends StmtCfgNode {
class DoUntilStmtCfgNode extends LoopStmtCfgNode {
override string getAPrimaryQlClass() { result = "DoUntilStmtCfgNode" }
override DoUntilStmtChildMapping s;
@@ -1092,17 +1106,15 @@ module StmtNodes {
override DoUntilStmt getStmt() { result = s }
ExprCfgNode getCondition() { s.hasCfgChild(s.getCondition(), this, result) }
StmtCfgNode getBody() { s.hasCfgChild(s.getBody(), this, result) }
}
private class DoWhileStmtChildMapping extends NonExprChildMapping, DoWhileStmt {
private class DoWhileStmtChildMapping extends LoopStmtChildMapping, DoWhileStmt {
override predicate relevantChild(Ast child) {
child = this.getCondition() or child = this.getBody()
child = this.getCondition() or super.relevantChild(child)
}
}
class DoWhileStmtCfgNode extends StmtCfgNode {
class DoWhileStmtCfgNode extends LoopStmtCfgNode {
override string getAPrimaryQlClass() { result = "DoWhileStmtCfgNode" }
override DoWhileStmtChildMapping s;
@@ -1110,8 +1122,6 @@ module StmtNodes {
override DoWhileStmt getStmt() { result = s }
ExprCfgNode getCondition() { s.hasCfgChild(s.getCondition(), this, result) }
StmtCfgNode getBody() { s.hasCfgChild(s.getBody(), this, result) }
}
private class ErrorStmtChildMapping extends NonExprChildMapping, ErrorStmt {
@@ -1160,13 +1170,13 @@ module StmtNodes {
ExprCfgNode getHashTableExpr() { s.hasCfgChild(s.getHashTableExpr(), this, result) }
}
private class ForEachStmtChildMapping extends NonExprChildMapping, ForEachStmt {
private class ForEachStmtChildMapping extends LoopStmtChildMapping, ForEachStmt {
override predicate relevantChild(Ast child) {
child = this.getVarAccess() or child = this.getIterableExpr() or child = this.getBody()
child = this.getVarAccess() or child = this.getIterableExpr() or super.relevantChild(child)
}
}
class ForEachStmtCfgNode extends StmtCfgNode {
class ForEachStmtCfgNode extends LoopStmtCfgNode {
override string getAPrimaryQlClass() { result = "ForEachStmtCfgNode" }
override ForEachStmtChildMapping s;
@@ -1176,20 +1186,18 @@ module StmtNodes {
ExprCfgNode getVarAccess() { s.hasCfgChild(s.getVarAccess(), this, result) }
ExprCfgNode getIterableExpr() { s.hasCfgChild(s.getIterableExpr(), this, result) }
StmtCfgNode getBody() { s.hasCfgChild(s.getBody(), this, result) }
}
private class ForStmtChildMapping extends NonExprChildMapping, ForStmt {
private class ForStmtChildMapping extends LoopStmtChildMapping, ForStmt {
override predicate relevantChild(Ast child) {
child = this.getInitializer() or
child = this.getCondition() or
child = this.getIterator() or
child = this.getBody()
super.relevantChild(child)
}
}
class ForStmtCfgNode extends StmtCfgNode {
class ForStmtCfgNode extends LoopStmtCfgNode {
override string getAPrimaryQlClass() { result = "ForStmtCfgNode" }
override ForStmtChildMapping s;
@@ -1201,8 +1209,6 @@ module StmtNodes {
ExprCfgNode getCondition() { s.hasCfgChild(s.getCondition(), this, result) }
AstCfgNode getIterator() { s.hasCfgChild(s.getIterator(), this, result) }
StmtCfgNode getBody() { s.hasCfgChild(s.getBody(), this, result) }
}
private class GotoStmtChildMapping extends NonExprChildMapping, GotoStmt {
@@ -1340,14 +1346,14 @@ module StmtNodes {
override UsingStmt getStmt() { result = s }
}
private class WhileStmtChildMapping extends NonExprChildMapping, WhileStmt {
private class WhileStmtChildMapping extends LoopStmtChildMapping, WhileStmt {
override predicate relevantChild(Ast child) {
child = this.getCondition() or
child = this.getBody()
super.relevantChild(child)
}
}
class WhileStmtCfgNode extends StmtCfgNode {
class WhileStmtCfgNode extends LoopStmtCfgNode {
override string getAPrimaryQlClass() { result = "WhileStmtCfgNode" }
override WhileStmtChildMapping s;
@@ -1355,8 +1361,6 @@ module StmtNodes {
override WhileStmt getStmt() { result = s }
ExprCfgNode getCondition() { s.hasCfgChild(s.getCondition(), this, result) }
StmtCfgNode getBody() { s.hasCfgChild(s.getBody(), this, result) }
}
private class ConfigurationChildMapping extends NonExprChildMapping, Configuration {