public MacroInfo(Symbol @namespace, LexicalMacroAttribute a, LexicalMacro macro, bool deprecateAllNames = false)
: base(a.Syntax, a.Description, a.Names)
{
DeprecatedNames = a.DeprecatedNames;
DeprecationMessage = a.DeprecationMessage;
if (Names.Length == 0 &&
(a.DeprecatedNames == null || a.DeprecatedNames.Length == 0) &&
(a.Mode & (MacroMode.MatchEveryCall | MacroMode.MatchEveryLiteral | MacroMode.MatchEveryIdentifier)) == 0)
{
Names = new string[1] {
macro.Method.Name
}
}
;
if (deprecateAllNames)
{
DeprecatedNames = (DeprecatedNames ?? EmptyArray <string> .Value).Union(Names).ToArray();
}
CheckParam.IsNotNull("macro", macro);
Namespace = @namespace;
Macro = macro;
Mode = a.Mode;
}
public MacroInfo(Symbol @namespace, LexicalMacroAttribute a, LexicalMacro macro)
: base(a.Syntax, a.Description, a.Names != null && a.Names.Length > 0 ? a.Names : new[] { macro.Method.Name })
{
CheckParam.IsNotNull("macro", macro);
Namespace = @namespace;
Macro = macro;
Mode = a.Mode;
}
public MacroInfo(Symbol @namespace, Symbol name, LexicalMacro macro, LexicalMacroAttribute info)
{
NamespaceSym = @namespace; Name = name; Macro = macro; Info = info;
Mode = info.Mode;
if ((Mode & MacroMode.PriorityMask) == 0)
{
Mode |= MacroMode.NormalPriority;
}
}
private static LNode RegisterSimpleMacro(LNodeList attrs, LNode pattern, LNode body, IMacroContext context)
{
if (DecodeSubstitutionExpr(pattern, out _, out _, out _) != null)
{
return(Reject(context, pattern, "Defining a macro that could match everything is not allowed."));
}
MacroMode modes = GetMacroMode(ref attrs, pattern);
LNode macroName = pattern.Target ?? pattern;
LNode replacement = body.AsList(S.Braces).AsLNode(S.Splice);
if (pattern.IsCall)
{
WarnAboutMissingDollarSigns(pattern.Args, context, pattern, replacement);
}
// Note: we could fill out the macro's Syntax and Description with the
// pattern and replacement converted to strings, but it's generally a
// waste of CPU time as those strings are usually not requested.
// Compromise: provide syntax pattern only
var syntax = pattern.ToString();
var lma = new LexicalMacroAttribute(syntax, "User-defined macro at {0}".Localized(pattern.Range.Start), macroName.Name.Name)
{
Mode = modes
};
if ((modes & (MacroMode.MatchEveryLiteral | MacroMode.MatchEveryCall | MacroMode.MatchEveryIdentifier)) != 0)
{
lma = new LexicalMacroAttribute(syntax, lma.Description)
{
Mode = modes
}
}
;
var macroInfo = new MacroInfo(null, lma, UserDefinedMacro);
macroInfo.Mode |= MacroMode.UseLogicalNameInErrorMessages;
context.RegisterMacro(macroInfo);
return(F.Splice()); // delete the `define` node from the output
LNode UserDefinedMacro(LNode candidate, IMacroContext context2)
{
MMap <Symbol, LNode> captures = new MMap <Symbol, LNode>();
if (candidate.MatchesPattern(pattern, ref captures, out LNodeList unmatchedAttrs))
{
LNode replacement2 = WithUniqueIdentifiers(replacement, context.IncrementTempCounter, out _);
return(ReplaceCaptures(replacement2, captures).PlusAttrsBefore(unmatchedAttrs));
}
return(null);
}
}
public static LNode replaceFn(LNode node, IMacroContext context1)
{
var retType = node.Args[0, LNode.Missing].Name;
if (retType != _replace && retType != _define)
{
return(null);
}
LNode replaceKw, macroName, args, body;
if (EcsValidators.MethodDefinitionKind(node, out replaceKw, out macroName, out args, out body, allowDelegate: false) != S.Fn || body == null)
{
return(null);
}
MacroMode mode, modes = 0;
var leftoverAttrs = node.Attrs.SmartWhere(attr =>
{
if (attr.IsId && Loyc.Compatibility.EnumStatic.TryParse(attr.Name.Name, out mode))
{
modes |= mode;
return(false);
}
return(true);
});
LNode pattern = F.Call(macroName, args.Args).PlusAttrs(leftoverAttrs);
LNode replacement = body.AsList(S.Braces).AsLNode(S.Splice).PlusAttrs(replaceKw.Attrs);
replacement.Style &= ~NodeStyle.OneLiner;
WarnAboutMissingDollarSigns(args, context1, pattern, replacement);
// Note: we could fill out the macro's Syntax and Description with the
// pattern and replacement converted to strings, but it's generally a
// waste of CPU time as those strings are usually not requested.
var lma = new LexicalMacroAttribute(
string.Concat(macroName.Name, "(", args.Args.Count.ToString(), " args)"), "", macroName.Name.Name);
var macroInfo = new MacroInfo(null, lma, (candidate, context2) =>
{
MMap <Symbol, LNode> captures = new MMap <Symbol, LNode>();
VList <LNode> unmatchedAttrs;
if (candidate.MatchesPattern(pattern, ref captures, out unmatchedAttrs))
{
return(ReplaceCaptures(replacement, captures).PlusAttrsBefore(unmatchedAttrs));
}
return(null);
})
{
Mode = modes
};
context1.RegisterMacro(macroInfo);
return(F.Splice());
}
public static LNode replaceFn(LNode node, IMacroContext context1)
{
var retType = node.Args[0, LNode.Missing].Name;
if (retType != _replace && retType != _define)
return null;
LNode replaceKw, macroName, args, body;
if (EcsValidators.MethodDefinitionKind(node, out replaceKw, out macroName, out args, out body, allowDelegate: false) != S.Fn || body == null)
return null;
MacroMode mode, modes = 0;
var leftoverAttrs = node.Attrs.SmartWhere(attr =>
{
if (attr.IsId && Loyc.Compatibility.EnumStatic.TryParse(attr.Name.Name, out mode))
{
modes |= mode;
return false;
}
return true;
});
LNode pattern = F.Call(macroName, args.Args).PlusAttrs(leftoverAttrs);
LNode replacement = body.AsList(S.Braces).AsLNode(S.Splice).PlusAttrs(replaceKw.Attrs);
replacement.Style &= ~NodeStyle.OneLiner;
WarnAboutMissingDollarSigns(args, context1, pattern, replacement);
// Note: we could fill out the macro's Syntax and Description with the
// pattern and replacement converted to strings, but it's generally a
// waste of CPU time as those strings are usually not requested.
var lma = new LexicalMacroAttribute(
string.Concat(macroName.Name, "(", args.Args.Count.ToString(), " args)"), "", macroName.Name.Name);
var macroInfo = new MacroInfo(null, lma, (candidate, context2) =>
{
MMap<Symbol, LNode> captures = new MMap<Symbol, LNode>();
VList<LNode> unmatchedAttrs;
if (candidate.MatchesPattern(pattern, ref captures, out unmatchedAttrs))
{
return ReplaceCaptures(replacement, captures).PlusAttrsBefore(unmatchedAttrs);
}
return null;
}) {
Mode = modes
};
context1.RegisterMacro(macroInfo);
return F.Splice();
}
public MacroInfo(Symbol @namespace, LexicalMacroAttribute a, LexicalMacro macro)
: base(a.Syntax, a.Description, a.Names != null && a.Names.Length > 0 ? a.Names : new[] { macro.Method.Name })
{
CheckParam.IsNotNull("macro", macro);
Namespace = @namespace;
Macro = macro;
Mode = a.Mode;
}
