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Merge pull request #17998 from yoff/shared/locations-in-range-analysis

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yoff
2025-01-09 14:05:54 +01:00
committed by GitHub
parent 09571135e6 21e7a0e828
commit b263132ab2
11 changed files with 36 additions and 27 deletions
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3
cpp/ql/lib/semmle/code/cpp/rangeanalysis/new/internal/semantic/SemanticExpr.qll
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@@ -3,6 +3,7 @@
*/
private import Semantic
private import SemanticLocation
private import SemanticExprSpecific::SemanticExprConfig as Specific
private import SemanticType
@@ -15,7 +16,7 @@ private import SemanticType
class SemExpr instanceof Specific::Expr {
final string toString() { result = super.toString() }
final Specific::Location getLocation() { result = super.getLocation() }
SemLocation getLocation() { result = super.getLocation() }
Opcode getOpcode() { result instanceof Opcode::Unknown }

3
cpp/ql/lib/semmle/code/cpp/rangeanalysis/new/internal/semantic/analysis/FloatDelta.qll
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@@ -2,6 +2,7 @@ private import RangeAnalysisImpl
private import codeql.rangeanalysis.RangeAnalysis
private import semmle.code.cpp.rangeanalysis.new.internal.semantic.SemanticExpr
private import semmle.code.cpp.rangeanalysis.new.internal.semantic.SemanticType
private import semmle.code.cpp.rangeanalysis.new.internal.semantic.SemanticLocation
module FloatDelta implements DeltaSig {
class Delta = float;
@@ -22,7 +23,7 @@ module FloatDelta implements DeltaSig {
Delta fromFloat(float f) { result = f }
}
module FloatOverflow implements OverflowSig<Sem, FloatDelta> {
module FloatOverflow implements OverflowSig<SemLocation, Sem, FloatDelta> {
predicate semExprDoesNotOverflow(boolean positively, SemExpr expr) {
exists(float lb, float ub, float delta |
typeBounds(expr.getSemType(), lb, ub) and

3
cpp/ql/lib/semmle/code/cpp/rangeanalysis/new/internal/semantic/analysis/RangeAnalysisConstantSpecific.qll
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@@ -3,11 +3,12 @@
*/
private import semmle.code.cpp.rangeanalysis.new.internal.semantic.Semantic
private import semmle.code.cpp.rangeanalysis.new.internal.semantic.SemanticLocation
private import semmle.code.cpp.rangeanalysis.new.internal.semantic.analysis.FloatDelta
private import RangeAnalysisImpl
private import codeql.rangeanalysis.RangeAnalysis
module CppLangImplConstant implements LangSig<Sem, FloatDelta> {
module CppLangImplConstant implements LangSig<SemLocation, Sem, FloatDelta> {
/**
* Ignore the bound on this expression.
*

6
cpp/ql/lib/semmle/code/cpp/rangeanalysis/new/internal/semantic/analysis/RangeAnalysisImpl.qll
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@@ -12,7 +12,7 @@ private import SemanticType
private import codeql.rangeanalysis.RangeAnalysis
private import ConstantAnalysis as ConstantAnalysis
module Sem implements Semantic {
module Sem implements Semantic<SemLocation> {
class Expr = SemExpr;
class ConstantIntegerExpr = ConstantAnalysis::SemConstantIntegerExpr;
@@ -104,7 +104,7 @@ module Sem implements Semantic {
}
}
module SignAnalysis implements SignAnalysisSig<Sem> {
module SignAnalysis implements SignAnalysisSig<SemLocation, Sem> {
private import SignAnalysisCommon as SA
import SA::SignAnalysis<FloatDelta>
}
@@ -165,7 +165,7 @@ module AllBounds implements BoundSig<SemLocation, Sem, FloatDelta> {
}
}
private module ModulusAnalysisInstantiated implements ModulusAnalysisSig<Sem> {
private module ModulusAnalysisInstantiated implements ModulusAnalysisSig<SemLocation, Sem> {
class ModBound = AllBounds::SemBound;
private import codeql.rangeanalysis.ModulusAnalysis as MA

3
cpp/ql/lib/semmle/code/cpp/rangeanalysis/new/internal/semantic/analysis/RangeAnalysisRelativeSpecific.qll
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@@ -3,12 +3,13 @@
*/
private import semmle.code.cpp.rangeanalysis.new.internal.semantic.Semantic
private import semmle.code.cpp.rangeanalysis.new.internal.semantic.SemanticLocation
private import semmle.code.cpp.rangeanalysis.new.internal.semantic.analysis.FloatDelta
private import RangeAnalysisImpl
private import semmle.code.cpp.rangeanalysis.RangeAnalysisUtils
private import codeql.rangeanalysis.RangeAnalysis
module CppLangImplRelative implements LangSig<Sem, FloatDelta> {
module CppLangImplRelative implements LangSig<SemLocation, Sem, FloatDelta> {
/**
* Ignore the bound on this expression.
*

3
cpp/ql/lib/semmle/code/cpp/rangeanalysis/new/internal/semantic/analysis/SignAnalysisCommon.qll
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@@ -10,11 +10,12 @@ private import codeql.rangeanalysis.RangeAnalysis
private import RangeAnalysisImpl
private import SignAnalysisSpecific as Specific
private import semmle.code.cpp.rangeanalysis.new.internal.semantic.Semantic
private import semmle.code.cpp.rangeanalysis.new.internal.semantic.SemanticLocation
private import ConstantAnalysis
private import Sign
module SignAnalysis<DeltaSig D> {
private import codeql.rangeanalysis.internal.RangeUtils::MakeUtils<Sem, D>
private import codeql.rangeanalysis.internal.RangeUtils::MakeUtils<SemLocation, Sem, D>
/**
* An SSA definition for which the analysis can compute the sign.