Merge pull request #1600 from AndreiDiaconu1/ircsharp

C#: Initial port of IR for C#

Author: calumgrant

config/identical-files.json

@@ -39,42 +39,90 @@
   "IR Instruction": [
     "cpp/ql/src/semmle/code/cpp/ir/implementation/raw/Instruction.qll",
     "cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/Instruction.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/Instruction.qll"
+    "cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/Instruction.qll",
+    "csharp/ql/src/semmle/code/csharp/ir/implementation/raw/Instruction.qll"
   ],
   "IR IRBlock": [
     "cpp/ql/src/semmle/code/cpp/ir/implementation/raw/IRBlock.qll",
     "cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/IRBlock.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/IRBlock.qll"
+    "cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/IRBlock.qll",
+    "csharp/ql/src/semmle/code/csharp/ir/implementation/raw/IRBlock.qll"
   ],
   "IR IRVariable": [
     "cpp/ql/src/semmle/code/cpp/ir/implementation/raw/IRVariable.qll",
     "cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/IRVariable.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/IRVariable.qll"
+    "cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/IRVariable.qll",
+    "csharp/ql/src/semmle/code/csharp/ir/implementation/raw/IRVariable.qll"
   ],
   "IR IRFunction": [
     "cpp/ql/src/semmle/code/cpp/ir/implementation/raw/IRFunction.qll",
     "cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/IRFunction.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/IRFunction.qll"
+    "cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/IRFunction.qll",
+    "csharp/ql/src/semmle/code/csharp/ir/implementation/raw/IRFunction.qll"
   ],
   "IR Operand": [
     "cpp/ql/src/semmle/code/cpp/ir/implementation/raw/Operand.qll",
     "cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/Operand.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/Operand.qll"
+    "cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/Operand.qll",
+    "csharp/ql/src/semmle/code/csharp/ir/implementation/raw/Operand.qll"
+  ],
+  "IR Operand Tag": [
+    "cpp/ql/src/semmle/code/cpp/ir/implementation/internal/OperandTag.qll",
+    "csharp/ql/src/semmle/code/csharp/ir/implementation/internal/OperandTag.qll"
+  ],
+  "IR TIRVariable":[
+    "cpp/ql/src/semmle/code/cpp/ir/implementation/internal/TIRVariable.qll",
+    "csharp/ql/src/semmle/code/csharp/ir/implementation/internal/TIRVariable.qll"
   ],
   "IR IR": [
     "cpp/ql/src/semmle/code/cpp/ir/implementation/raw/IR.qll",
     "cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/IR.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/IR.qll"
+    "cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/IR.qll",
+    "csharp/ql/src/semmle/code/csharp/ir/implementation/raw/IR.qll"
   ],
   "IR IRSanity": [
     "cpp/ql/src/semmle/code/cpp/ir/implementation/raw/IRSanity.qll",
     "cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/IRSanity.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/IRSanity.qll"
+    "cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/IRSanity.qll",
+    "csharp/ql/src/semmle/code/csharp/ir/implementation/raw/IRSanity.qll"
   ],
   "IR PrintIR": [
     "cpp/ql/src/semmle/code/cpp/ir/implementation/raw/PrintIR.qll",
     "cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/PrintIR.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/PrintIR.qll"
+    "cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/PrintIR.qll",
+    "csharp/ql/src/semmle/code/csharp/ir/implementation/raw/PrintIR.qll"
+  ],
+  "IR IntegerConstant": [
+    "cpp/ql/src/semmle/code/cpp/ir/internal/IntegerConstant.qll",
+    "csharp/ql/src/semmle/code/csharp/ir/internal/IntegerConstant.qll"
+  ],
+  "IR IntegerInteval": [
+    "cpp/ql/src/semmle/code/cpp/ir/internal/IntegerInterval.qll",
+    "csharp/ql/src/semmle/code/csharp/ir/internal/IntegerInterval.qll"
+  ],
+  "IR IntegerPartial": [
+    "cpp/ql/src/semmle/code/cpp/ir/internal/IntegerPartial.qll",
+    "csharp/ql/src/semmle/code/csharp/ir/internal/IntegerPartial.qll"
+  ],
+  "IR Overlap": [
+    "cpp/ql/src/semmle/code/cpp/ir/internal/Overlap.qll",
+    "csharp/ql/src/semmle/code/csharp/ir/internal/Overlap.qll"
+  ],
+  "IR EdgeKind": [
+    "cpp/ql/src/semmle/code/cpp/ir/implementation/EdgeKind.qll",
+    "csharp/ql/src/semmle/code/csharp/ir/implementation/EdgeKind.qll"
+  ],
+  "IR MemoryAccessKind": [
+    "cpp/ql/src/semmle/code/cpp/ir/implementation/MemoryAccessKind.qll",
+    "csharp/ql/src/semmle/code/csharp/ir/implementation/MemoryAccessKind.qll"
+  ],
+  "IR TempVariableTag": [
+    "cpp/ql/src/semmle/code/cpp/ir/implementation/TempVariableTag.qll",
+    "csharp/ql/src/semmle/code/csharp/ir/implementation/TempVariableTag.qll"
+  ],
+  "IR Opcode": [
+    "cpp/ql/src/semmle/code/cpp/ir/implementation/Opcode.qll",
+    "csharp/ql/src/semmle/code/csharp/ir/implementation/Opcode.qll"
   ],
   "C++ IR InstructionImports": [
     "cpp/ql/src/semmle/code/cpp/ir/implementation/raw/internal/InstructionImports.qll",
@@ -148,5 +196,23 @@
   "C++ IR PrintDominance": [
     "cpp/ql/src/semmle/code/cpp/ir/implementation/raw/internal/reachability/PrintDominance.qll",
     "cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/internal/reachability/PrintDominance.qll"
+  ],
+  "C# IR InstructionImports": [
+    "csharp/ql/src/semmle/code/csharp/ir/implementation/raw/internal/InstructionImports.qll"
+  ],
+  "C# IR IRImports": [
+    "csharp/ql/src/semmle/code/csharp/ir/implementation/raw/internal/IRImports.qll"
+  ],
+  "C# IR IRBlockImports": [
+    "csharp/ql/src/semmle/code/csharp/ir/implementation/raw/internal/IRBlockImports.qll"
+  ],
+  "C# IR IRVariableImports": [
+    "csharp/ql/src/semmle/code/csharp/ir/implementation/raw/internal/IRVariableImports.qll"
+  ],
+  "C# IR OperandImports": [
+    "csharp/ql/src/semmle/code/csharp/ir/implementation/raw/internal/OperandImports.qll"
+  ],
+  "C# IR PrintIRImports": [
+    "csharp/ql/src/semmle/code/csharp/ir/implementation/raw/internal/PrintIRImports.qll"
   ]
 }

cpp/ql/src/semmle/code/cpp/ir/implementation/Opcode.qll

@@ -43,6 +43,7 @@ private newtype TOpcode =
   TVariableAddress() or
   TFieldAddress() or
   TFunctionAddress() or
+  TElementsAddress() or
   TConstant() or
   TStringConstant() or
   TConditionalBranch() or
@@ -72,7 +73,8 @@ private newtype TOpcode =
   TBufferMayWriteSideEffect() or
   TChi() or
   TInlineAsm() or
-  TUnreached()
+  TUnreached() or
+  TNewObj()
 
 class Opcode extends TOpcode {
   string toString() {
@@ -190,6 +192,7 @@ module Opcode {
   class DynamicCastToVoid extends UnaryOpcode, TDynamicCastToVoid { override final string toString() { result = "DynamicCastToVoid" } }
   class VariableAddress extends Opcode, TVariableAddress { override final string toString() { result = "VariableAddress" } }
   class FieldAddress extends UnaryOpcode, TFieldAddress { override final string toString() { result = "FieldAddress" } }
+  class ElementsAddress extends UnaryOpcode, TElementsAddress { override final string toString() { result = "ElementsAddress" } }
   class FunctionAddress extends Opcode, TFunctionAddress { override final string toString() { result = "FunctionAddress" } }
   class Constant extends Opcode, TConstant { override final string toString() { result = "Constant" } }
   class StringConstant extends Opcode, TStringConstant { override final string toString() { result = "StringConstant" } }
@@ -221,4 +224,5 @@ module Opcode {
   class Chi extends Opcode, TChi { override final string toString() { result = "Chi" } }
   class InlineAsm extends Opcode, TInlineAsm { override final string toString() { result = "InlineAsm" } }
   class Unreached extends Opcode, TUnreached { override final string toString() { result = "Unreached" } }
+  class NewObj extends Opcode, TNewObj { override final string toString() { result = "NewObj" } }
 }

cpp/ql/src/semmle/code/cpp/ir/implementation/TempVariableTag.qll

@@ -1,4 +1,5 @@
-private import semmle.code.cpp.ir.internal.TempVariableTag
+private import internal.TempVariableTagInternal
+private import Imports::TempVariableTag
 
 class TempVariableTag extends TTempVariableTag {
   string toString() {

cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/Instruction.qll

@@ -512,7 +512,7 @@ class Instruction extends Construction::TInstruction {
     else if getResultType() instanceof Language::UnknownType then
       result = Construction::getInstructionResultSize(this)
     else (
-      result = getResultType().getSize()
+      result = Language::getTypeSize(getResultType())
     )
   }
 

cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/Operand.qll

@@ -186,7 +186,7 @@ class Operand extends TOperand {
    * a known constant size, this predicate does not hold.
    */
   int getSize() {
-    result = getType().getSize()
+    result = Language::getTypeSize(getType())
   }
 }
 
@@ -450,7 +450,7 @@ class SideEffectOperand extends TypedOperand {
     if getType() instanceof Language::UnknownType then
       result = Construction::getInstructionOperandSize(useInstr, tag)
     else
-      result = getType().getSize()
+      result = Language::getTypeSize(getType())
   }
 
   override MemoryAccessKind getMemoryAccess() {

cpp/ql/src/semmle/code/cpp/ir/implementation/internal/TempVariableTagInternal.qll

@@ -0,0 +1,6 @@
+import semmle.code.cpp.ir.internal.IRCppLanguage as Language
+private import semmle.code.cpp.ir.internal.TempVariableTag as TempVariableTag_
+
+module Imports {
+  module TempVariableTag = TempVariableTag_;
+}

cpp/ql/src/semmle/code/cpp/ir/implementation/raw/Instruction.qll

@@ -512,7 +512,7 @@ class Instruction extends Construction::TInstruction {
     else if getResultType() instanceof Language::UnknownType then
       result = Construction::getInstructionResultSize(this)
     else (
-      result = getResultType().getSize()
+      result = Language::getTypeSize(getResultType())
     )
   }
 

cpp/ql/src/semmle/code/cpp/ir/implementation/raw/Operand.qll

@@ -186,7 +186,7 @@ class Operand extends TOperand {
    * a known constant size, this predicate does not hold.
    */
   int getSize() {
-    result = getType().getSize()
+    result = Language::getTypeSize(getType())
   }
 }
 
@@ -450,7 +450,7 @@ class SideEffectOperand extends TypedOperand {
     if getType() instanceof Language::UnknownType then
       result = Construction::getInstructionOperandSize(useInstr, tag)
     else
-      result = getType().getSize()
+      result = Language::getTypeSize(getType())
   }
 
   override MemoryAccessKind getMemoryAccess() {

cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/Instruction.qll

@@ -512,7 +512,7 @@ class Instruction extends Construction::TInstruction {
     else if getResultType() instanceof Language::UnknownType then
       result = Construction::getInstructionResultSize(this)
     else (
-      result = getResultType().getSize()
+      result = Language::getTypeSize(getResultType())
     )
   }
 

cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/Operand.qll

@@ -186,7 +186,7 @@ class Operand extends TOperand {
    * a known constant size, this predicate does not hold.
    */
   int getSize() {
-    result = getType().getSize()
+    result = Language::getTypeSize(getType())
   }
 }
 
@@ -450,7 +450,7 @@ class SideEffectOperand extends TypedOperand {
     if getType() instanceof Language::UnknownType then
       result = Construction::getInstructionOperandSize(useInstr, tag)
     else
-      result = getType().getSize()
+      result = Language::getTypeSize(getType())
   }
 
   override MemoryAccessKind getMemoryAccess() {