public override void Compile(Compiler compiler, Node node, NodeParent parent)
{
if (((Literal)node).Value == null)
{
// nil
compiler.AppendLine("$_stack[] = new F_NilClass;");
return;
}
if (((Literal)node).Value is bool)
{
// True or False
compiler.AppendLine("$_stack[] = new F_{0}Class;", ((Literal)node).Value.ToString());
return;
}
if (((Literal)node).Value is string)
{
switch (((Literal)node).Value.ToString())
{
case "self":
compiler.AppendLine("$_stack[] = $_locals->self;", ((Literal)node).Value.ToString());
break;
case "__FILE__":
case "__LINE__":
compiler.AppendLine("$_stack[] = F_String::__from_string({0});", ((Literal)node).Value.ToString());
break;
}
return;
}
compiler.AppendLine("$_stack[] = F_Number::__from_number({0});", ((Literal)node).Value.ToString());
}
public override void Compile(Compiler compiler, Node node, NodeParent parent)
{
var pmethod = parent.OfType<MethodDefinition>().SingleOrDefault();
var isInBlock = pmethod != null && pmethod.Name.Contains("__lambda_");
if (((ReturnStatement)node).Arguments == null || ((ReturnStatement)node).Arguments.Expressions.Count() == 0)
{
compiler.AppendLine("$_stack[] = new F_NilClass;");
}
else if (((ReturnStatement)node).Arguments.Expressions.Count() > 0)
{
compiler.CompileNode(((ReturnStatement)node).Arguments.Expressions.First(), parent.CreateChild(node));
}
else
{
compiler.CompileNode(new ArrayConstructor(((ReturnStatement)node).Arguments, ((ReturnStatement)node).Location), parent.CreateChild(node));
}
if (!isInBlock)
{
compiler.AppendLine("return array_pop($_stack);");
}
else
{
compiler.AppendLine("throw new ReturnFromBlock(array_pop($_stack));");
}
}
public TokenValue(Arguments arguments, Block block) {
_integer1 = 0;
_double = 0.0;
node = arguments;
obj = block;
_type = TokenValueType.None;
}
public override void Compile(Compiler compiler, Node node, NodeParent parent)
{
if (node is IsDefinedExpression)
{
var ide = (IsDefinedExpression)node;
switch(ide.Expression.NodeType)
{
case NodeTypes.MethodCall:
compiler.AppendLine("$_stack[] = F_TrueClass::__from_bool(function_exists('{0}'));", Mangling.RubyMethodToPHP(((MethodCall)ide.Expression).MethodName));
return;
case NodeTypes.ConstantVariable:
compiler.AppendLine("$_stack[] = F_TrueClass::__from_bool(class_exists('{0}'));", Mangling.RubyMethodToPHP(((ConstantVariable)ide.Expression).Name));
return;
case NodeTypes.ClassVariable:
case NodeTypes.GlobalVariable:
case NodeTypes.InstanceVariable:
case NodeTypes.LocalVariable:
compiler.AppendLine("$_stack[] = F_TrueClass::__from_bool(isset({0}));", ((Variable)ide.Expression).ToPHPVariable());
return;
default:
throw new FructoseCompileException("Not supported yet: defined?( " + ide.Expression.NodeType.ToString() + " )", ide.Expression);
}
}
else
throw new FructoseCompileException("Not supported yet: " + node.ToString(), node);
}
public override void Compile(Compiler compiler, Node node, NodeParent parent)
{
var pa = (ParallelAssignmentExpression)node;
if (pa.Left.HasUnsplattedValue)
throw new FructoseCompileException("Unsplats not yet supported.", node);
if (pa.Right.Length == 1)
{
compiler.CompileNode(pa.Right[0], parent.CreateChild(node));
compiler.AppendLine("if(get_class($_stack[count($_stack)-1]) !== 'F_Array')");
compiler.Indent();
compiler.AppendLine("$_stack[] = F_Array::__from_array(array(array_pop($_stack)));");
compiler.Dedent();
}
else
{
compiler.AppendLine("$ptmp = array();");
foreach (var rval in pa.Right)
{
compiler.CompileNode(rval, parent.CreateChild(node));
compiler.AppendLine("$ptmp[] = array_pop($_stack);");
}
compiler.AppendLine("$_stack[] = F_Array::__from_array($ptmp);");
}
var sb = new StringBuilder();
foreach (var lval in pa.Left.LeftValues)
sb.Append(SimpleAssignment.assignmentVar(lval, parent) + ",");
compiler.AppendLine("@list({0}) = array_pop($_stack)->__ARRAY;", sb.ToString());
foreach (var lval in pa.Left.LeftValues.Reverse())
compiler.AppendLine("if({0} === NULL) {0} = new F_NilClass;", SimpleAssignment.assignmentVar(lval, parent));
}
public override void Compile(Compiler compiler, IronRuby.Compiler.Ast.Node node, NodeParent parent)
{
var sae = (SimpleAssignmentExpression)node;
// substitute a method call of []= rather than the crap that ironruby's parser produces:
switch (sae.Left.NodeType)
{
case NodeTypes.ArrayItemAccess:
var aia = (ArrayItemAccess)sae.Left;
compiler.CompileNode(new MethodCall(aia.Array, "[]=", new Arguments(aia.Arguments.Expressions.Concat(new[] { sae.Right }).ToArray()), sae.Location), parent.CreateChild(node));
return;
case NodeTypes.AttributeAccess:
var aa = (AttributeAccess)sae.Left;
compiler.CompileNode(new MethodCall(aa.Qualifier, aa.Name, new Arguments(sae.Right), aa.Location), parent.CreateChild(node));
return;
}
compiler.CompileNode(sae.Right, parent.CreateChild(node));
if (sae.Operation != null)
{
compiler.AppendLine("$_stack[] = {0};", assignmentVar(sae.Left, parent));
compiler.AppendLine("$_stack[] = array_pop($_stack)->{0}(NULL, array_pop($_stack));", Mangling.RubyMethodToPHP(sae.Operation));
}
compiler.AppendLine("{0} = $_stack[count($_stack)-1];", assignmentVar(sae.Left, parent));
}
public TokenValue(List<Expression> comparisons, Expression comparisonArray) {
_integer1 = 0;
_double = 0.0;
node = comparisonArray;
obj = comparisons;
_type = TokenValueType.None;
}
public override void Compile(Compiler compiler, Node node, NodeParent parent)
{
var re = (RangeExpression)node;
compiler.CompileNode(re.End, parent.CreateChild(node));
compiler.CompileNode(re.Begin, parent.CreateChild(node));
compiler.AppendLine("$_stack[] = F_Range::SF_new(NULL, array_pop($_stack), array_pop($_stack), new F_{0}Class);", re.IsExclusive.ToString());
}
public override void Compile(Compiler compiler, Node node, NodeParent parent)
{
compiler.AppendLine("while(true)");
compiler.AppendLine("{");
compiler.Indent();
if(((WhileLoopExpression)node).IsPostTest)
{
foreach(var stmt in ((WhileLoopExpression)node).Statements)
compiler.CompileNode(stmt, parent.CreateChild(node));
}
if (((WhileLoopExpression)node).IsWhileLoop)
compiler.CompileNode(((WhileLoopExpression)node).Condition, parent.CreateChild(node));
else
compiler.CompileNode(new NotExpression(((WhileLoopExpression)node).Condition, node.Location), parent.CreateChild(node));
compiler.AppendLine("$_cond = array_pop($_stack);");
compiler.AppendLine("if(get_class($_cond) === 'F_NilClass' || get_class($_cond) === 'F_FalseClass' || is_subclass_of($_cond, 'F_NilClass') || is_subclass_of($_cond, 'F_FalseClass'))");
compiler.AppendLine("{");
compiler.Indent();
compiler.AppendLine("break;");
compiler.Dedent();
compiler.AppendLine("}");
if (!((WhileLoopExpression)node).IsPostTest)
{
foreach (var stmt in ((WhileLoopExpression)node).Statements)
compiler.CompileNode(stmt, parent.CreateChild(node));
}
compiler.Dedent();
compiler.AppendLine("}");
}
public override void Compile(Compiler compiler, Node node, NodeParent parent)
{
var ac = (ArrayConstructor)node;
foreach (var exp in ac.Arguments.Expressions.Reverse())
compiler.CompileNode(exp, parent.CreateChild(node));
compiler.AppendLine("$_stack[] = F_Array::S__operator_arrayget(NULL" + string.Join("", ac.Arguments.Expressions.Select(e => ", array_pop($_stack)").ToArray()) + ");");
}
public override void Compile(Compiler compiler, Node node, NodeParent parent)
{
YieldCall yield = (YieldCall)node;
if(yield.Arguments != null)
foreach (var arg in yield.Arguments.Expressions.Reverse())
{
compiler.CompileNode(arg, parent.CreateChild(node));
}
compiler.AppendLine("$_blockfn = $_locals->block;");
compiler.AppendLine("$_stack[] = $_blockfn(NULL" + string.Join("", (yield.Arguments ?? new Arguments()).Expressions.Select(ex => ", array_pop($_stack)").ToArray()) + ");");
}
public override void Compile(Compiler compiler, Node node, NodeParent parent)
{
var cond = (ConditionalStatement)node;
Expression cond_expr = cond.Condition;
if(cond.IsUnless)
cond_expr = new NotExpression(cond_expr, cond.Location);
var elseif = cond.ElseStatement != null
? new List<ElseIfClause>() { new ElseIfClause(null, new Statements(cond.ElseStatement), cond.ElseStatement.Location) }
: new List<ElseIfClause>();
compiler.CompileNode(new IfExpression(cond_expr, new Statements(cond.Body), elseif, cond.Location), parent.CreateChild(node));
}
public override void Compile(Compiler compiler, Node node, NodeParent parent)
{
var body = (Body)node;
if (body.RescueClauses != null)
{
for(int i = 0; i < body.RescueClauses.Count; i++)
{
compiler.AppendLine("try");
compiler.AppendLine("{");
compiler.Indent();
}
}
foreach (var stmt in body.Statements)
compiler.CompileNode(stmt, parent.CreateChild(node));
if (body.RescueClauses != null)
{
foreach (var rescue in body.RescueClauses)
{
compiler.Dedent();
compiler.AppendLine("}");
compiler.AppendLine("catch(ErrorCarrier $err)");
compiler.AppendLine("{");
compiler.Indent();
StringBuilder clause = new StringBuilder();
bool first = true;
foreach (var t in rescue.Types)
{
if (t.NodeType != NodeTypes.ConstantVariable)
throw new FructoseCompileException("Type constant must be supplied in rescue expression", rescue);
if (!first)
clause.Append(" && ");
first = false;
clause.Append(string.Format("!is_a($err->val, '{0}')", Mangling.RubyIdentifierToPHP(((ConstantVariable)t).Name)));
}
compiler.AppendLine("if({0})", clause.ToString());
compiler.Indent();
compiler.AppendLine("throw $err;");
compiler.Dedent();
compiler.AppendLine("{0} = $err->val;", ((Variable)(rescue.Target ?? new GlobalVariable("!", rescue.Location))).ToPHPVariable());
foreach (var stmt in rescue.Statements)
compiler.CompileNode(stmt, parent.CreateChild(node));
compiler.Dedent();
compiler.AppendLine("}");
}
}
}
public override void Compile(Compiler compiler, Node node, NodeParent parent)
{
compiler.CompileNode(((AndExpression)node).Left, parent.CreateChild(node));
compiler.AppendLine("$_and_tmp = get_class($_stack[count($_stack)-1]);");
compiler.AppendLine("if($_and_tmp !== 'F_NilClass' && $_and_tmp !== 'F_FalseClass')");
compiler.AppendLine("{");
compiler.Indent();
compiler.CompileNode(((AndExpression)node).Right, parent.CreateChild(node));
compiler.Dedent();
compiler.AppendLine("}");
}
public override void Compile(Compiler compiler, Node node, NodeParent parent)
{
var hash = (HashConstructor)node;
compiler.AppendLine("$_tmp_pairs[] = array();");
foreach (var maplet in hash.Maplets)
{
compiler.CompileNode(maplet.Key, parent.CreateChild(node));
compiler.AppendLine("$_tmp_pairs[count($_tmp_pairs)-1][] = array_pop($_stack);");
compiler.CompileNode(maplet.Value, parent.CreateChild(node));
compiler.AppendLine("$_tmp_pairs[count($_tmp_pairs)-1][] = array_pop($_stack);");
}
compiler.AppendLine("$_stack[] = F_Hash::__from_flatpairs(array_pop($_tmp_pairs));");
}
public override void Compile(Compiler compiler, Node node, NodeParent parent)
{
var method = parent.OfType<MethodDefinition>().ToArray();
if (method.Length > 0 && method[0].Parameters != null
&& method[0].Parameters.Mandatory.Where(p => p.ToString() == ((LocalVariable)node).Name).Count() > 0)
{
compiler.AppendLine("$_stack[] = isset(${0}) ? (${0}) : (new F_NilClass);", Mangling.RubyIdentifierToPHP(((Variable)node).Name));
return;
}
if (parent.OfType<ClassDefinition>().Count() == 0)
{
compiler.AppendLine("$_stack[] = isset($_locals->{0}) ? ($_locals->{0}) : (new F_NilClass);", Mangling.RubyIdentifierToPHP(((Variable)node).Name));
return;
}
compiler.AppendLine("$_stack[] = isset({0}) ? ({0}) : (new F_NilClass);", ((Variable)node).ToPHPVariable());
}
public override void Compile(Compiler compiler, Node node, NodeParent parent)
{
var regex = (RegularExpression)node;
string rstr = "";
if(regex.Options.HasFlag(RubyRegexOptions.IgnoreCase))
rstr += "i";
if(regex.Options.HasFlag(RubyRegexOptions.Multiline))
rstr += "m";
if(regex.Options.HasFlag(RubyRegexOptions.Extended))
rstr += "x";
compiler.CompileNode(new StringConstructor(regex.Pattern, StringKind.Mutable, regex.Location));
compiler.AppendLine("$_stack[] = F_Regexp::SF_new(NULL, array_pop($_stack), F_String::__from_string('{0}'));", rstr);
}
public override void Compile(Compiler compiler, Node node, NodeParent parent)
{
compiler.CompileNode(((NotExpression)node).Expression, parent.CreateChild(node));
compiler.AppendLine("$_and_tmp = get_class(array_pop($_stack));");
compiler.AppendLine("if($_and_tmp !== 'F_NilClass' && $_and_tmp !== 'F_FalseClass')");
compiler.AppendLine("{");
compiler.Indent();
compiler.AppendLine("$_stack[] = new F_FalseClass;");
compiler.Dedent();
compiler.AppendLine("}");
compiler.AppendLine("else");
compiler.AppendLine("{");
compiler.Indent();
compiler.AppendLine("$_stack[] = new F_TrueClass;");
compiler.Dedent();
compiler.AppendLine("}");
}
public override void Compile(Compiler compiler, Node node, NodeParent parent)
{
compiler.CompileNode(((IfExpression)node).Condition, parent.CreateChild(node));
compiler.AppendLine("$_cond = array_pop($_stack);");
compiler.AppendLine("if(get_class($_cond) !== 'F_NilClass' && get_class($_cond) !== 'F_FalseClass' && !is_subclass_of($_cond, 'F_NilClass') && !is_subclass_of($_cond, 'F_FalseClass'))");
compiler.AppendLine("{");
compiler.Indent();
foreach (var stmt in ((IfExpression)node).Body)
compiler.CompileNode(stmt, parent.CreateChild(node));
compiler.Dedent();
compiler.AppendLine("}");
if (((IfExpression)node).ElseIfClauses.Count > 0)
{
compiler.AppendLine("else");
compiler.AppendLine("{");
compiler.Indent();
var firstelseif = ((IfExpression)node).ElseIfClauses.First();
var rest = ((IfExpression)node).ElseIfClauses.Skip(1).ToList();
if (firstelseif.Condition == null)
{
foreach (var stmt in firstelseif.Statements)
compiler.CompileNode(stmt, parent.CreateChild(node));
}
else
{
compiler.CompileNode(new IfExpression(firstelseif.Condition, firstelseif.Statements, rest,
new SourceSpan(firstelseif.Location.Start, (rest.Count > 0 ? rest.Last() : firstelseif).Location.End)), parent.CreateChild(node));
}
compiler.Dedent();
compiler.AppendLine("}");
}
}
public override void Compile(Compiler compiler, Node node, NodeParent parent)
{
CaseExpression c = (CaseExpression)node;
compiler.CompileNode(c.Value, parent.CreateChild(node));
compiler.AppendLine("$_caseval = array_pop($_stack);");
foreach(var when in c.WhenClauses)
{
var sb = new StringBuilder();
compiler.AppendLine("$_comparisons = array();");
foreach(var compar in when.Comparisons)
{
if(sb.Length > 0)
sb.Append(" || ");
sb.Append("_isTruthy(array_pop($_comparisons))");
compiler.CompileNode(compar, parent.CreateChild(node).CreateChild(when));
compiler.AppendLine("$_comparisons[] = array_pop($_stack)->__operator_stricteq(NULL, $_caseval);");
}
compiler.AppendLine("if({0})", sb.ToString());
compiler.AppendLine("{");
compiler.Indent();
foreach(var stmt in when.Statements)
compiler.CompileNode(stmt, parent.CreateChild(node).CreateChild(when));
compiler.Dedent();
compiler.AppendLine("}");
compiler.AppendLine("else");
compiler.AppendLine("{");
compiler.Indent();
}
if(c.ElseStatements != null)
foreach(var stmt in c.ElseStatements)
compiler.CompileNode(stmt, parent.CreateChild(node));
for(int i = 0; i < c.WhenClauses.Length; i++)
{
compiler.Dedent();
compiler.AppendLine("}");
}
}
public override void Compile(Compiler compiler, Node node, NodeParent parent)
{
var sc = (StringConstructor)node;
switch (sc.Kind)
{
case StringKind.Symbol:
if (sc.Parts.Count != 1 || sc.Parts[0].NodeType != NodeTypes.StringLiteral)
throw new FructoseCompileException("Symbol interpolation not supported _yet_", node);
compiler.AppendLine("$_stack[] = F_Symbol::__from_string('{0}');", ((StringLiteral)sc.Parts[0]).Value.ToString().Replace("'", "\\'"));
break;
case StringKind.Command:
if (sc.Parts.Count != 1)
throw new FructoseCompileException("`` is escape-to-PHP operator, and only works with a string literal.", node);
if (sc.Parts[0].NodeType != NodeTypes.StringLiteral)
throw new FructoseCompileException("`` is escape-to-PHP operator, and only works with a string literal.", node);
compiler.AppendLine("// BEGIN: escape-to-PHP");
compiler.AppendLine(((StringLiteral)sc.Parts[0]).Value.ToString());
compiler.AppendLine("// END: escape-to-PHP");
break;
case StringKind.Mutable:
foreach (var part in ((IEnumerable<Expression>)sc.Parts).Reverse())
compiler.CompileNode(part, parent.CreateChild(node));
compiler.AppendLine("$_stack[] = F_String::__from_string('');");
for(int i = 0; i < sc.Parts.Count; i++)
compiler.AppendLine("$_stack[] = array_pop($_stack)->__operator_lshift(NULL, array_pop($_stack));");
break;
}
}
public EntryBase(string/*!*/ displayName, Node/*!*/ definition)
{
Assert.NotNull(definition, displayName);
_displayName = displayName;
_definition = definition;
}
public override void Compile(Compiler compiler, IronRuby.Compiler.Ast.Node node, NodeParent parent)
{
string mname = Mangling.RubyMethodToPHP(((MethodCall)node).MethodName);
if (compilerMethods.ContainsKey(mname))
{
compilerMethods[mname].Compile(compiler, (MethodCall)node, parent);
return;
}
if (((MethodCall)node).Arguments != null)
{
foreach (var arg in ((MethodCall)node).Arguments.Expressions.Reverse())
{
compiler.CompileNode(arg, parent.CreateChild(node));
}
}
bool callStatic = false;
if (((MethodCall)node).Target == null)
{
compiler.AppendLine("$_stack[] = $_locals->self;");
}
else
{
if (((MethodCall)node).Target.NodeType == NodeTypes.ConstantVariable)
{
callStatic = true;
}
else
{
compiler.CompileNode(((MethodCall)node).Target, parent.CreateChild(node));
}
}
if (((MethodCall)node).Block != null)
{
compiler.AppendLine("$_lambda_objs_offset = count($_lambda_objs);");
compiler.AppendLine("$_lambda_objs[] = $_locals;");
}
if (((MethodCall)node).Block != null)
{
compiler.AppendLine("try");
compiler.AppendLine("{");
compiler.Indent();
}
string call = callStatic
? string.Format("$_stack[] = {0}::S{1}(", Mangling.RubyIdentifierToPHP(((ConstantVariable)((MethodCall)node).Target).Name), mname)
: string.Format("$_stack[] = array_pop($_stack)->{0}(", mname);
if (((MethodCall)node).Block != null)
{
if (((MethodCall)node).Block.NodeType == NodeTypes.BlockReference)
{
var expr = ((BlockReference)((MethodCall)node).Block).Expression;
if (expr.NodeType != NodeTypes.LocalVariable &&
parent.OfType <MethodDefinition>().Count() != 1 &&
parent.OfType <MethodDefinition>().Single().Parameters != null &&
parent.OfType <MethodDefinition>().Single().Parameters.Block != null &&
((LocalVariable)expr).Name != parent.OfType <MethodDefinition>().Single().Parameters.Block.Name)
{
throw new FructoseCompileException("Block references not referring to a block parameter are not yet supported.", ((MethodCall)node).Block);
}
call += "$block";
}
else
{
var block_mname = compiler.Transformations.RefactoredBlocksToMethods[(BlockDefinition)((MethodCall)node).Block];
call += "create_function('',sprintf('global $_lambda_objs; $args = func_get_args(); $offset = %d; $_locals = $_lambda_objs[$offset]; array_unshift($args, $_locals); $r = call_user_func_array(";
if (parent.OfType <ClassDefinition>().Count() > 0)
{
call += "array($_locals->self,\"" + Mangling.RubyIdentifierToPHP(block_mname) + "\")";
}
else
{
call += "\"" + Mangling.RubyIdentifierToPHP(block_mname) + "\"";
}
call += ", $args); $_lambda_objs[$offset] = $r[\"locals\"]; return $r[\"retval\"];',$_lambda_objs_offset))";
}
}
else
{
call += "NULL";
}
if (((MethodCall)node).Arguments != null)
{
for (int i = 0; i < ((MethodCall)node).Arguments.Expressions.Length; i++)
{
call += ", array_pop($_stack)";
}
}
compiler.AppendLine(call + ");");
if (((MethodCall)node).Block != null)
{
compiler.Dedent();
compiler.AppendLine("}");
compiler.AppendLine("catch(ReturnFromBlock $rfb)");
compiler.AppendLine("{");
compiler.Indent();
compiler.AppendLine("return $rfb->val;");
compiler.Dedent();
compiler.AppendLine("}");
compiler.AppendLine("$_locals = $_lambda_objs[$_lambda_objs_offset];");
}
}
public override void Compile(Compiler compiler, Node node, NodeParent parent)
{
// nop
}
public abstract void Compile(Compiler compiler, Node node, NodeParent parent);
public override void Compile(Compiler compiler, Node node, NodeParent parent)
{
compiler.AppendLine("$_stack[] = F_Symbol::__from_string('{0}');", ((SymbolLiteral)node).Value.ToString());
}
public override void Compile(Compiler compiler, Node node, NodeParent parent)
{
var unless = (UnlessExpression)node;
compiler.CompileNode(new IfExpression(new NotExpression(unless.Condition, unless.Condition.Location), unless.Statements, new List<ElseIfClause> { unless.ElseClause }, unless.Location), parent.CreateChild(node));
}
public override void Compile(Compiler compiler, Node node, NodeParent parent)
{
if (parent.OfType<MethodDefinition>().Count() > 0)
throw new FructoseCompileException("Nested methods are not supported.", node);
if (((MethodDefinition)node).Parameters.Mandatory.Length > ((MethodDefinition)node).Parameters.LeadingMandatoryCount)
throw new FructoseCompileException("Additional arguments after splats in methods are currently unsupported.", node);
string visibility = parent.OfType<ClassDefinition>().Count() > 0 ?
"public " : "";
string signature = visibility + "function " + Mangling.RubyMethodToPHP(((MethodDefinition)node).Name) + "(";
List<string> compiledParams = new List<string>();
if (((MethodDefinition)node).Name.Contains("__lambda_"))
compiledParams.Add("$_locals");
compiledParams.Add("$block");
foreach (var arg in ((MethodDefinition)node).Parameters.Mandatory)
compiledParams.Add("$" + Mangling.RubyIdentifierToPHP(arg.ToString()));
foreach (var arg in ((MethodDefinition)node).Parameters.Optional)
compiledParams.Add("$" + Mangling.RubyIdentifierToPHP(arg.Left.ToString()) + "=NULL");
signature += String.Join(", ", compiledParams);
signature += ")";
compiler.AppendLine(signature);
compiler.AppendLine("{");
compiler.Indent();
compiler.AppendLine("$_stack = array();");
compiler.AppendLine("if(!isset($_locals)) $_locals = new stdClass;");
if (parent.OfType<ClassDefinition>().Count() > 0)
{
compiler.AppendLine("if(!isset($_locals->self)) $_locals->self = $this;");
}
else
{
compiler.AppendLine("global $_gthis;");
compiler.AppendLine("if(!isset($_locals->self)) $_locals->self = $_gthis;");
}
compiler.AppendLine("if(!isset($_locals->block)) $_locals->block = $block;");
compiler.AppendLine("foreach(array(" + string.Join(", ", ((MethodDefinition)node).Parameters.Mandatory
.Select(arg => "\"" + Mangling.RubyIdentifierToPHP(arg.ToString()) + "\"")
.ToArray()) + ") as $parm)");
compiler.Indent();
compiler.AppendLine("$_locals->$parm = $$parm;");
compiler.Dedent();
foreach (var arg in ((MethodDefinition)node).Parameters.Optional)
{
string parm = Mangling.RubyIdentifierToPHP(arg.Left.ToString());
compiler.AppendLine("if($" + parm + " === NULL) {");
compiler.Indent();
compiler.CompileNode(arg.Right, parent.CreateChild(node));
compiler.AppendLine("$_locals->" + parm + " = array_pop($_stack);");
compiler.Dedent();
compiler.AppendLine("} else {");
compiler.Indent();
compiler.AppendLine("$_locals->" + parm + " = $" + parm + ";");
compiler.Dedent();
compiler.AppendLine("}");
}
if (((MethodDefinition)node).Parameters.Unsplat != null)
compiler.AppendLine("$_locals->" + Mangling.RubyIdentifierToPHP(((MethodDefinition)node).Parameters.Unsplat.ToString()) + " = "
+ "F_Array::__from_array(array_slice(func_get_args(), " + compiledParams.Count + "));");
compiler.AppendLine("global $_lambda_objs;");
compiler.AppendLine("global $_globals;");
foreach (var child in ((MethodDefinition)node).Body.Statements)
compiler.CompileNode(child, parent.CreateChild(node));
if (((MethodDefinition)node).Name.Contains("__lambda_"))
compiler.AppendLine("return array( 'locals' => $_locals, 'retval' => array_pop($_stack) );");
else
compiler.AppendLine("return array_pop($_stack);");
compiler.Dedent();
compiler.AppendLine("}");
}
public void ReplaceSourceUnit(SourceUnit sourceUnit)
{
// TODO: thread-safety?
_sourceUnit = sourceUnit;
_tree = null;
}
private void EnterModule(string/*!*/ name, Node/*!*/ definition, bool isExpressionBound, bool isSingleton)
{
string displayName = name;
int count;
if (_definitions.TryGetValue(name, out count)) {
count++;
displayName = name + " (" + count + ")";
} else {
count = 1;
}
_definitions[name] = count;
var entry = new ModuleEntry(displayName, name, definition, isExpressionBound, isSingleton);
_entries.Add(entry);
_outerModules.Peek().AddNested(entry);
_outerName.Add(name);
_outerModules.Push(entry);
// add a boundary for method nesting:
_outerMethods.Push(null);
}
public ModuleEntry(string/*!*/ displayName, string/*!*/ qualifiedName, Node/*!*/ definition, bool isExpressionBound, bool isSingleton)
: base(displayName, definition)
{
_qualifiedName = qualifiedName;
_isExpressionBound = isExpressionBound;
_isSingleton = isSingleton;
}
public override void Compile(Compiler compiler, Node node, NodeParent parent)
{
var cond = (ConditionalExpression)node;
compiler.CompileNode(new IfExpression(cond.Condition, new Statements(cond.TrueExpression), new List<ElseIfClause>() {
new ElseIfClause(null, new Statements(cond.FalseExpression), cond.FalseExpression.Location)}, cond.Location), parent.CreateChild(node));
}
