public ILabel AllocateStruct(Function.Function function, StructType structType, ILocation target, ILabel after)
{
if (structType.Fields.Count == 0)
{
return(after);
}
var allocateFunctionName = NameMangler.GetMangledName("allocate", new List <AST.DataType>()
{
IntType.Instance
}, null);
var allocateFunc = new Function.Function(
null,
allocateFunctionName,
new List <AST.VariableDeclaration>()
{
new AST.VariableDeclaration(null, IntType.Instance, "size", null)
},
isEntryPoint: false,
isForeign: true);
var sizeRegister = new VirtualRegister();
var call = this.callGenerator.GenerateCall(target, new List <VirtualRegister>()
{
sizeRegister
}, after, callerFunction: function, function: allocateFunc);
var writeSize = new RegisterWrite(sizeRegister, new IntegerImmediateValue(structType.Fields.Count * 8));
var startLabel = this.labelFactory.GetLabel(new Tree(writeSize, new UnconditionalJump(call)));
return(startLabel);
}
public void Test()
{
// tested with c++filt
FunctionDeclaration function1 = new FunctionDeclaration(
new Range(new StringLocation(0), new StringLocation(1)),
identifier: "foo",
returnType: null,
parameters: new List <VariableDeclaration>()
{
new VariableDeclaration(
new Range(new StringLocation(0), new StringLocation(1)),
IntType.Instance,
null,
null),
new VariableDeclaration(
new Range(new StringLocation(0), new StringLocation(1)),
IntType.Instance,
null,
null),
new VariableDeclaration(
new Range(new StringLocation(0), new StringLocation(1)),
BoolType.Instance,
null,
null),
},
body: null,
false);
Assert.AreEqual(
actual: NameMangler.GetMangledName(function1, null),
expected: "_ZN3KJU3fooExxb");
Assert.AreEqual(
actual: NameMangler.GetMangledName(function1, "_ZN3KJU3barEv"),
expected: "_ZZN3KJU3barEvEN3fooExxb");
Assert.AreEqual(
actual: NameMangler.GetMangledName(function1, "_ZZN3KJU3fooEvEN3fooExxb"),
expected: "_ZZZN3KJU3fooEvEN3fooExxbEN3fooExxb");
FunctionDeclaration function2 = new FunctionDeclaration(
new Range(new StringLocation(0), new StringLocation(1)),
identifier: "bar",
returnType: null,
parameters: new List <VariableDeclaration>()
{
},
body: null,
false);
Assert.AreEqual(
actual: NameMangler.GetMangledName(function2, null),
expected: "_ZN3KJU3barEv");
}
public static Function CreateFunction(FunctionDeclaration functionDeclaration, Function parentFunction)
{
var mangledName = NameMangler.GetMangledName(functionDeclaration, parentFunction?.MangledName);
var parameters = functionDeclaration.Parameters;
var isEntryPoint = functionDeclaration.IsEntryPoint;
var isForeign = functionDeclaration.IsForeign;
return(new Function(
parentFunction,
mangledName,
parameters,
isEntryPoint,
isForeign,
hasChildFunctions: HasChildFunctions(functionDeclaration)));
}