public CGExtern(CGExpr[] es)
: base(es, null) {
if (es.Length < 1) {
errorValue = ErrorValue.argCountError;
}
else {
CGTextConst nameAndSignatureConst = es[0] as CGTextConst;
if (nameAndSignatureConst == null) {
errorValue = ErrorValue.argTypeError;
}
else {
try {
// This retrieves the method from cache, or creates it:
ef = ExternalFunction.Make(nameAndSignatureConst.value.value);
if (ef.arity != es.Length - 1) {
ef = null;
errorValue = ErrorValue.argCountError;
}
else {
resType = FromType(ef.ResType);
argTypes = new Typ[ef.arity];
for (int i = 0; i < argTypes.Length; i++) {
argTypes[i] = FromType(ef.ArgType(i));
}
}
}
catch (Exception exn) // Covers a multitude of sins
{
errorValue = ErrorValue.Make(exn.Message);
}
}
}
}
public override CGExpr PEval(PEnv pEnv, bool hasDynamicControl) {
// When FunctionValue is known, reduce to a CGSdfCall node.
// Don't actually call the function (even on constant arguments); could loop.
CGExpr[] res = PEvalArgs(pEnv, hasDynamicControl);
if (res[0] is CGValueConst) {
FunctionValue fv = (res[0] as CGValueConst).Value as FunctionValue;
if (fv != null) {
CGExpr[] args = new CGExpr[fv.args.Length];
int j = 1;
for (int i = 0; i < args.Length; i++) {
if (fv.args[i] != ErrorValue.naError) {
args[i] = CGConst.Make(fv.args[i]);
}
else {
args[i] = res[j++];
}
}
return new CGSdfCall(fv.sdfInfo, args);
}
else {
return new CGError(ErrorValue.argCountError);
}
}
else {
return new CGApply(res);
}
}
public override CGExpr PEval(PEnv pEnv, bool hasDynamicControl)
{
List <CGExpr> res = new List <CGExpr>();
for (int i = 0; i < es.Length; i++)
{
CGExpr ri = es[i].PEval(pEnv, hasDynamicControl || res.Count > 0);
if (ri is CGNumberConst)
{
// A TRUE operand makes the OR true; a FALSE operand can be ignored
if ((ri as CGNumberConst).number.value != 0.0)
{
return(new CGNumberConst(NumberValue.ONE));
}
}
else
{
res.Add(ri);
}
}
// The residual OR consists of the non-constant operands, if any
if (res.Count == 0)
{
return(new CGNumberConst(NumberValue.ZERO));
}
else
{
return(new CGOr(res.ToArray()));
}
}
public CGExpr[] PEvalArgs(PEnv pEnv, bool hasDynamicControl) {
CGExpr[] res = new CGExpr[es.Length];
for (int i = 0; i < es.Length; i++) {
res[i] = es[i].PEval(pEnv, hasDynamicControl);
}
return res;
}
public override CGExpr PEval(PEnv pEnv, bool hasDynamicControl)
{
// When FunctionValue is known, reduce to a CGSdfCall node.
// Don't actually call the function (even on constant arguments); could loop.
CGExpr[] res = PEvalArgs(pEnv, hasDynamicControl);
if (res[0] is CGValueConst)
{
FunctionValue fv = (res[0] as CGValueConst).Value as FunctionValue;
if (fv != null)
{
CGExpr[] args = new CGExpr[fv.args.Length];
int j = 1;
for (int i = 0; i < args.Length; i++)
{
if (fv.args[i] != ErrorValue.naError)
{
args[i] = CGConst.Make(fv.args[i]);
}
else
{
args[i] = res[j++];
}
}
return(new CGSdfCall(fv.sdfInfo, args));
}
else
{
return(new CGError(ErrorValue.argCountError));
}
}
else
{
return(new CGApply(res));
}
}
// Reductions such as 0*e==>0 are a bit dubious when you
// consider that e could evaluate to ArgType error or similar:
public CGExpr Make(CGExpr[] es) {
if (es.Length == 2) {
if (op == "+" && es[0].Is(0)) {
return es[1]; // 0+e = e
}
else if ((op == "+" || op == "-") && es[1].Is(0)) {
return es[0]; // e+0 = e-0 = e
}
else if (op == "-" && es[0].Is(0)) {
return new CGNeg(new CGExpr[] {es[1]}); // 0-e = -e
}
else if (op == "*" && (es[0].Is(0) || es[1].Is(0))) {
return new CGNumberConst(NumberValue.ZERO); // 0*e = e*0 = 0 (**)
}
else if (op == "*" && es[0].Is(1)) {
return es[1]; // 1*e = e
}
else if ((op == "*" || op == "/") && es[1].Is(1)) {
return es[0]; // e*1 = e/1 = e
}
else if (op == "^" && (es[0].Is(1) || es[1].Is(1))) {
return es[0]; // e^1 = e and also 1^e = 1 (IEEE)
}
else if (op == "^" && es[1].Is(0)) {
return new CGNumberConst(NumberValue.ONE); // e^0 = 1 (IEEE)
}
}
return new CGArithmetic2(opCode, op, es);
}
public CGCachedExpr(CGExpr expr, CachedAtom cachedAtom, List <CGCachedExpr> caches)
{
this.expr = expr;
this.cachedAtom = cachedAtom;
this.cacheNumber = caches.Count;
caches.Add(this);
}
public bool AllConstant(CGExpr[] res) {
for (int i = 0; i < res.Length; i++) {
if (!(res[i] is CGConst)) {
return false;
}
}
return true;
}
public CGExpr[] PEvalArgs(PEnv pEnv, bool hasDynamicControl)
{
CGExpr[] res = new CGExpr[es.Length];
for (int i = 0; i < es.Length; i++)
{
res[i] = es[i].PEval(pEnv, hasDynamicControl);
}
return(res);
}
private Variable numberVar; // If non-null, unwrap to this Number variable
// If var==null then numberVar==null
public ComputeCell(CGExpr expr, Variable var, FullCellAddr cellAddr) {
this.expr = expr;
this.var = var;
// The output cell's expression is in tail position:
if (var == null) {
this.expr.NoteTailPosition();
}
this.cellAddr = cellAddr;
this.numberVar = null;
}
public void CallVisitor(FunCall funCall)
{
CGExpr[] expressions = new CGExpr[funCall.es.Length];
for (int i = 0; i < funCall.es.Length; i++)
{
funCall.es[i].VisitorCall(this);
expressions[i] = result;
}
result = CGComposite.Make(funCall.function.name, expressions);
}
public override void CompileCondition(Gen ifTrue, Gen ifFalse, Gen ifOther)
{
for (int i = es.Length - 1; i >= 0; i--)
{
// These declarations are needed to capture rvalues rather than lvalues:
CGExpr ei = es[i];
Gen localIfFalse = ifFalse;
ifFalse = new Gen(delegate { ei.CompileCondition(ifTrue, localIfFalse, ifOther); });
}
ifFalse.Generate(ilg);
}
private Variable numberVar; // If non-null, unwrap to this Number variable
// If var==null then numberVar==null
public ComputeCell(CGExpr expr, Variable var, FullCellAddr cellAddr)
{
this.expr = expr;
this.var = var;
// The output cell's expression is in tail position:
if (var == null)
{
this.expr.NoteTailPosition();
}
this.cellAddr = cellAddr;
this.numberVar = null;
}
public static CGExpr Make(CGExpr[] es) {
if (es.Length == 2) {
if (es[0].Is(0)) // 0.0<>e1 ==> AND(e1)
{
return new CGAnd(new CGExpr[] {es[1]});
}
else if (es[1].Is(0)) // e0<>0.0 ==> AND(e0)
{
return new CGAnd(new CGExpr[] {es[0]});
}
}
return new CGNotEqual(es);
}
public static CGExpr Make(CGExpr[] es) {
if (es.Length == 2) {
if (es[0].Is(0)) // 0.0=e1 ==> NOT(e1)
{
return new CGNot(new CGExpr[] {es[1]});
}
else if (es[1].Is(0)) // e0=0.0 ==> NOT(e0)
{
return new CGNot(new CGExpr[] {es[0]});
}
}
return new CGEqual(es);
}
// This is used to implement the ERR function
public CGError(CGExpr[] es) {
if (es.Length != 1) {
errorValue = ErrorValue.argCountError;
}
else {
CGTextConst messageConst = es[0] as CGTextConst;
if (messageConst == null) {
errorValue = ErrorValue.argTypeError;
}
else {
errorValue = ErrorValue.Make("#ERR: " + messageConst.value.value);
}
}
}
private CGSdfCall Specialize(CGExpr[] res, Value[] args)
{
FunctionValue fv = new FunctionValue(sdfInfo, args);
SdfInfo residualSdf = SdfManager.SpecializeAndCompile(fv);
CGExpr[] residualArgs = new CGExpr[fv.Arity];
int j = 0;
for (int i = 0; i < args.Length; i++)
{
if (args[i] == ErrorValue.naError)
{
residualArgs[j++] = res[i];
}
}
return(new CGSdfCall(residualSdf, residualArgs));
}
public override void EvalCond(PathCond evalCond,
IDictionary <FullCellAddr, PathCond> evalConds,
List <CGCachedExpr> caches)
{
if (es.Length >= 1)
{
CachedAtom atom = new CachedAtom(es[0], caches);
CGCachedExpr cached = atom.cachedExpr;
es[0].EvalCond(evalCond, evalConds, caches);
es[0] = cached;
for (int i = 1; i < es.Length; i++)
{
CGExpr iConst = CGConst.Make(i);
CGExpr cond = new CGEqual(new CGExpr[] { cached, iConst });
es[i].EvalCond(evalCond.And(new CachedAtom(cond, caches)), evalConds, caches);
}
}
}
public void CallVisitor(CellRef cellRef)
{
FullCellAddr cellAddr = cellRef.GetAbsoluteAddr(thisFca);
if (cellAddr.sheet != thisFca.sheet)
{
// Reference to other sheet, hopefully a normal sheet
result = new CGNormalCellRef(cellAddr);
}
else if (this.addressToVariable.ContainsKey(cellAddr))
{
// Reference to a cell that has already been computed in a local variable
result = new CGCellRef(cellAddr, this.addressToVariable[cellAddr]);
}
else // Inline the cell's formula's expression
{
result = BuildExpression(cellAddr, addressToVariable);
}
}
/// <summary>
/// Compiles the topologically sorted list of Expr to a list (program)
/// of ComputeCells, encapsulating CGExprs. Builds a map from cellAddr to
/// local variable ids, for compiling sheet-internal cellrefs to ldloc instructions.
/// </summary>
public void AddComputeCells(DependencyGraph dpGraph, IList <FullCellAddr> cellList)
{
Debug.Assert(dpGraph.outputCell == cellList[cellList.Count - 1]);
CGExpr outputExpr;
if (cellList.Count == 0 || cellList.Count == 1 && dpGraph.inputCellSet.Contains(cellList.Single()))
{
// The output cell is also an input cell; load it:
outputExpr = new CGCellRef(dpGraph.outputCell, addressToVariable[dpGraph.outputCell]);
}
else
{
// First process all non-output cells, and ignore all input cells:
foreach (FullCellAddr cellAddr in cellList)
{
if (cellAddr.Equals(dpGraph.outputCell))
{
continue;
}
HashSet <FullCellAddr> dependents = dpGraph.GetDependents(cellAddr);
int minUses = dependents.Count;
if (minUses == 1)
{
FullCellAddr fromFca = dependents.First();
minUses = Math.Max(minUses, GetCount(fromFca, cellAddr));
}
// Now if minUses==1 then there is at most one use of the cell at cellAddr,
// and no local variable is needed. Otherwise, allocate a local variable:
if (minUses > 1)
{
CGExpr newExpr = CGExpressionBuilder.BuildExpression(cellAddr, addressToVariable);
Variable var = new LocalVariable(cellAddr.ToString(), newExpr.Type());
AddComputeCell(cellAddr, new ComputeCell(newExpr, var, cellAddr));
}
}
// Then process the output cell:
outputExpr = CGExpressionBuilder.BuildExpression(dpGraph.outputCell, addressToVariable);
}
// Add the output cell expression last, without a variable to bind it to; hence the null,
// also indicating that (only) the output cell is in tail position:
AddComputeCell(dpGraph.outputCell, new ComputeCell(outputExpr, null, dpGraph.outputCell));
}
public override CGExpr PEval(PEnv pEnv, bool hasDynamicControl)
{
CGExpr r0 = es[0].PEval(pEnv, hasDynamicControl);
if (r0 is CGNumberConst)
{
if ((r0 as CGNumberConst).number.value != 0.0)
{
return(es[1].PEval(pEnv, hasDynamicControl));
}
else
{
return(es[2].PEval(pEnv, hasDynamicControl));
}
}
else
{
return(new CGIf(PEvalArgs(pEnv, r0, true)));
}
}
public override CGExpr PEval(PEnv pEnv, bool hasDynamicControl)
{
CGExpr r0 = es[0].PEval(pEnv, hasDynamicControl);
if (r0 is CGNumberConst)
{
int index = (int)((r0 as CGNumberConst).number.value);
if (index < 1 || index >= es.Length)
{
return(new CGError(ErrorValue.valueError));
}
else
{
return(es[index].PEval(pEnv, hasDynamicControl));
}
}
else
{
return(new CGChoose(PEvalArgs(pEnv, r0, true /* has dynamic control */)));
}
}
// Returns residual ComputeCell or null if no cell needed
public ComputeCell PEval(PEnv pEnv)
{
CGExpr rCond = null;
if (evalCond != null) // Never the case for an output cell
{
rCond = evalCond.PEval(pEnv, false /* not dynamic control */);
}
if (rCond is CGNumberConst)
{
if ((rCond as CGNumberConst).number.value != 0.0)
{
rCond = null; // eval cond constant TRUE, discard eval cond
}
else
{
return(null); // eval cond constant FALSE, discard entire compute cell
}
}
// If residual eval cond is not TRUE then expr has dynamic control
CGExpr rExpr = expr.PEval(pEnv, rCond != null);
if (rExpr is CGConst && var != null)
{
// If cell's value is constant and it is not an output cell just put in PEnv
pEnv[cellAddr] = rExpr;
return(null);
}
else
{
// Else create fresh local variable for the residual cell, and make
// PEnv map cell address to that local variable:
Variable newVar = var != null?var.Fresh() : null;
pEnv[cellAddr] = new CGCellRef(cellAddr, newVar);
ComputeCell result = new ComputeCell(rExpr, newVar, cellAddr);
// result.EvalCond = rCond; // Don't save residual eval cond, we compute it accurately later...
return(result);
}
}
public CGSdfCall(SdfInfo sdfInfo, CGExpr[] es)
: base(es, null) {
this.sdfInfo = sdfInfo;
}
public void CallVisitor(CellArea cellArea)
{
result = new CGNormalCellArea(cellArea.MakeArrayView(thisFca));
}
public override CGExpr Residualize(CGExpr[] res) { return new CGGreaterThan(res); }
// Generate code to evaluate all argument expressions, including the receiver es[1]
// if the method is an instance method, and convert their values to .NET types.
private void CompileArgumentsAndApply(CGExpr[] es, Gen ifSuccess, Gen ifOther)
{
int argCount = es.Length;
// The error continuations must pop the arguments computed so far.
Gen[] errorCont = new Gen[argCount];
if (argCount > 0)
{
errorCont[0] = ifOther;
}
for (int i = 1; i < argCount; i++)
{
int ii = i; // Capture lvalue -- do NOT inline!
errorCont[ii] = new Gen(delegate {
ilg.Emit(OpCodes.Pop);
errorCont[ii - 1].Generate(ilg);
});
}
// Generate code, backwards, to evaluate argument expressions and
// convert to the .NET method's argument types
for (int i = argCount - 1; i >= 0; i--)
{
// These local vars capture rvalue rather than lvalue -- do NOT inline them!
CGExpr ei = es[i];
Gen localSuccess = ifSuccess;
Typ argType = functionInfo.signature.argTypes[i];
Gen ifError = errorCont[i];
if (argType == Typ.Number)
{
ifSuccess = new Gen(delegate {
ei.CompileToDoubleOrNan();
localSuccess.Generate(ilg);
});
}
else if (argType == Typ.Function)
{
ifSuccess = new Gen(delegate {
ei.Compile();
CheckType(FunctionValue.type, localSuccess, ifError);
});
}
else if (argType == Typ.Array)
{
ifSuccess = new Gen(delegate {
ei.Compile();
CheckType(ArrayValue.type, localSuccess, ifError);
});
}
else if (argType == Typ.Text)
{
ifSuccess = new Gen(delegate {
ei.Compile();
CheckType(TextValue.type, localSuccess, ifError);
});
}
else // argType.Value -- TODO: neglects to propagate ErrorValue from argument
{
ifSuccess = new Gen(delegate {
ei.Compile();
localSuccess.Generate(ilg);
});
}
}
ifSuccess.Generate(ilg);
}
public void CallVisitor(ValueConst valueConst)
{
result = new CGValueConst(valueConst.value);
}
// Generate code to evaluate all argument expressions, including the receiver es[1]
// if the method is an instance method, and convert their values to .NET types.
private void CompileArgumentsAndApply(CGExpr[] es, Gen ifSuccess, Gen ifOther) {
int argCount = es.Length - 1;
// The error continuations must pop the arguments computed so far:
Gen[] errorCont = new Gen[argCount];
if (argCount > 0) {
errorCont[0] = ifOther;
}
for (int i = 1; i < argCount; i++) {
int ii = i; // Capture lvalue -- do NOT inline!
errorCont[ii] = new Gen(delegate {
ilg.Emit(OpCodes.Pop);
errorCont[ii - 1].Generate(ilg);
});
}
// Generate code, backwards, to evaluate argument expressions and
// convert to external method's argument types
for (int i = argCount - 1; i >= 0; i--) {
// These local vars capture rvalue rather than lvalue -- do NOT inline them!
CGExpr ei = es[i + 1];
Gen localSuccess = ifSuccess;
int argIndex = i;
Type argType = ef.ArgType(i);
Gen ifError = errorCont[i];
// First some special cases to avoid boxing:
if (argType == typeof (System.Double)) {
ifSuccess = new Gen(
delegate {
ei.CompileToDoubleOrNan();
localSuccess.Generate(ilg);
});
}
else if (argType == typeof (System.Single)) {
ifSuccess = new Gen(
delegate {
ei.CompileToDoubleOrNan();
ilg.Emit(OpCodes.Conv_R4);
localSuccess.Generate(ilg);
});
}
else if (signed32.Contains(argType)) {
ifSuccess = new Gen(
delegate {
ei.CompileToDoubleProper(
new Gen(delegate {
ilg.Emit(OpCodes.Conv_I4);
localSuccess.Generate(ilg);
}),
ifError);
});
}
else if (unsigned32.Contains(argType)) {
ifSuccess = new Gen(
delegate {
ei.CompileToDoubleProper(
new Gen(delegate {
ilg.Emit(OpCodes.Conv_U4);
localSuccess.Generate(ilg);
}),
ifError);
});
}
else if (argType == typeof (System.Int64)) {
ifSuccess = new Gen(
delegate {
ei.CompileToDoubleProper(
new Gen(delegate {
ilg.Emit(OpCodes.Conv_I8);
localSuccess.Generate(ilg);
}),
ifError);
});
}
else if (argType == typeof (System.UInt64)) {
ifSuccess = new Gen(
delegate {
ei.CompileToDoubleProper(
new Gen(delegate {
ilg.Emit(OpCodes.Conv_U8);
localSuccess.Generate(ilg);
}),
ifError);
});
}
else if (argType == typeof (System.Boolean)) {
ifSuccess = new Gen(
delegate {
ei.CompileToDoubleProper(
new Gen(delegate {
ilg.Emit(OpCodes.Ldc_R8, 0.0);
ilg.Emit(OpCodes.Ceq);
localSuccess.Generate(ilg);
}),
ifError);
});
}
else if (argType == typeof (System.Char)) {
ifSuccess = new Gen(
delegate {
ei.Compile();
ilg.Emit(OpCodes.Call, TextValue.toNakedCharMethod);
localSuccess.Generate(ilg);
});
}
else if (argType == typeof (System.String)) {
ifSuccess = new Gen(
delegate {
ei.Compile();
UnwrapToString(localSuccess, ifError);
});
}
else // General cases: String[], double[], double[,], ...
{
ifSuccess = new Gen(
delegate {
ei.Compile();
ilg.Emit(OpCodes.Call, ef.ArgConverter(argIndex).Method);
if (argType.IsValueType) // must unbox wrapped value type, but this is too simple-minded
{
ilg.Emit(OpCodes.Unbox, argType);
}
localSuccess.Generate(ilg);
});
}
}
ifSuccess.Generate(ilg);
}
public void CallVisitor(TextConst textConst)
{
result = new CGTextConst(textConst.value);
}
public CGLessThanOrEqual(CGExpr[] es) : base(es, leApplier) { }
public void CallVisitor(Error error)
{
result = new CGError(error.value);
}
public CGStrictOperation(CGExpr[] es, Applier applier)
: base(es) {
this.applier = applier;
}
public void CallVisitor(NumberConst numbConst)
{
result = new CGNumberConst(numbConst.value);
}
public override CGExpr Residualize(CGExpr[] res) { return Make(res); }
public CGLessThan(CGExpr[] es) : base(es, ltApplier) { }
public CGEqual(CGExpr[] es) : base(es, eqApplier) { }
/// <summary>
/// Generates code to evaluate each expression es[sourceOffset,...] and
/// store it into array vs[0,...] on the stack top.
/// Assumes an array vs of type Value[] is on the stack, and leaves array vs there.
/// </summary>
/// <param name="offset">The number of given argument expressions to ignore</param>
/// <param name="es">The given (partial) argument expressions</param>
internal static void CompileExpressionsAndStore(int sourceOffset, CGExpr[] es) {
for (int i = sourceOffset; i < es.Length; i++) {
ilg.Emit(OpCodes.Dup);
ilg.Emit(OpCodes.Ldc_I4, i - sourceOffset);
es[i].Compile();
ilg.Emit(OpCodes.Stelem_Ref);
}
}
public readonly bool negated; // True if represents NOT(cachedExpr)
public CachedAtom(CGExpr cond, List <CGCachedExpr> caches)
{
this.cachedExpr = new CGCachedExpr(cond, this, caches);
this.negated = false;
}
public abstract CGExpr Residualize(CGExpr[] res);
public CGCachedExpr(CGExpr expr, CachedAtom cachedAtom, List<CGCachedExpr> caches) {
this.expr = expr;
this.cachedAtom = cachedAtom;
this.cacheNumber = caches.Count;
caches.Add(this);
}
public override CGExpr Residualize(CGExpr[] res) { return new CGNot(res); }
public override CGExpr Residualize(CGExpr[] res) { return new CGLessThan(res); }
public CGNot(CGExpr[] es) : base(es, notApplier) { }
public CGGreaterThanOrEqual(CGExpr[] es) : base(es, geApplier) { }
// Generate code to evaluate all argument expressions, including the receiver es[1]
// if the method is an instance method, and convert their values to .NET types.
private void CompileArgumentsAndApply(CGExpr[] es, Gen ifSuccess, Gen ifOther)
{
int argCount = es.Length - 1;
// The error continuations must pop the arguments computed so far:
Gen[] errorCont = new Gen[argCount];
if (argCount > 0)
{
errorCont[0] = ifOther;
}
for (int i = 1; i < argCount; i++)
{
int ii = i; // Capture lvalue -- do NOT inline!
errorCont[ii] = new Gen(delegate {
ilg.Emit(OpCodes.Pop);
errorCont[ii - 1].Generate(ilg);
});
}
// Generate code, backwards, to evaluate argument expressions and
// convert to external method's argument types
for (int i = argCount - 1; i >= 0; i--)
{
// These local vars capture rvalue rather than lvalue -- do NOT inline them!
CGExpr ei = es[i + 1];
Gen localSuccess = ifSuccess;
int argIndex = i;
Type argType = ef.ArgType(i);
Gen ifError = errorCont[i];
// First some special cases to avoid boxing:
if (argType == typeof(System.Double))
{
ifSuccess = new Gen(
delegate {
ei.CompileToDoubleOrNan();
localSuccess.Generate(ilg);
});
}
else if (argType == typeof(System.Single))
{
ifSuccess = new Gen(
delegate {
ei.CompileToDoubleOrNan();
ilg.Emit(OpCodes.Conv_R4);
localSuccess.Generate(ilg);
});
}
else if (signed32.Contains(argType))
{
ifSuccess = new Gen(
delegate {
ei.CompileToDoubleProper(
new Gen(delegate {
ilg.Emit(OpCodes.Conv_I4);
localSuccess.Generate(ilg);
}),
ifError);
});
}
else if (unsigned32.Contains(argType))
{
ifSuccess = new Gen(
delegate {
ei.CompileToDoubleProper(
new Gen(delegate {
ilg.Emit(OpCodes.Conv_U4);
localSuccess.Generate(ilg);
}),
ifError);
});
}
else if (argType == typeof(System.Int64))
{
ifSuccess = new Gen(
delegate {
ei.CompileToDoubleProper(
new Gen(delegate {
ilg.Emit(OpCodes.Conv_I8);
localSuccess.Generate(ilg);
}),
ifError);
});
}
else if (argType == typeof(System.UInt64))
{
ifSuccess = new Gen(
delegate {
ei.CompileToDoubleProper(
new Gen(delegate {
ilg.Emit(OpCodes.Conv_U8);
localSuccess.Generate(ilg);
}),
ifError);
});
}
else if (argType == typeof(System.Boolean))
{
ifSuccess = new Gen(
delegate {
ei.CompileToDoubleProper(
new Gen(delegate {
ilg.Emit(OpCodes.Ldc_R8, 0.0);
ilg.Emit(OpCodes.Ceq);
localSuccess.Generate(ilg);
}),
ifError);
});
}
else if (argType == typeof(System.Char))
{
ifSuccess = new Gen(
delegate {
ei.Compile();
ilg.Emit(OpCodes.Call, TextValue.toNakedCharMethod);
localSuccess.Generate(ilg);
});
}
else if (argType == typeof(System.String))
{
ifSuccess = new Gen(
delegate {
ei.Compile();
UnwrapToString(localSuccess, ifError);
});
}
else // General cases: String[], double[], double[,], ...
{
ifSuccess = new Gen(
delegate {
ei.Compile();
ilg.Emit(OpCodes.Call, ef.ArgConverter(argIndex).Method);
if (argType.IsValueType) // must unbox wrapped value type, but this is too simple-minded
{
ilg.Emit(OpCodes.Unbox, argType);
}
localSuccess.Generate(ilg);
});
}
}
ifSuccess.Generate(ilg);
}
public CGGreaterThan(CGExpr[] es) : base(es, gtApplier) { }
public CGAnd(CGExpr[] es) : base(es) { }
public CGIf(CGExpr[] es) : base(es) { }
private CGSdfCall Specialize(CGExpr[] res, Value[] args) {
FunctionValue fv = new FunctionValue(sdfInfo, args);
SdfInfo residualSdf = SdfManager.SpecializeAndCompile(fv);
CGExpr[] residualArgs = new CGExpr[fv.Arity];
int j = 0;
for (int i = 0; i < args.Length; i++) {
if (args[i] == ErrorValue.naError) {
residualArgs[j++] = res[i];
}
}
return new CGSdfCall(residualSdf, residualArgs);
}
public CGOr(CGExpr[] es) : base(es) { }
public override CGExpr Residualize(CGExpr[] res) { throw new ImpossibleException("CGSdfCall.Residualize"); }