public void CopyFrom(Annotation Other)
{
Element = Other.Element;
FirstRunnable = Other.FirstRunnable;
RunnableParentBlock = Other.RunnableParentBlock;
RunnablesCount = Other.RunnablesCount;
TreeViewNode = Other.TreeViewNode;
ListViewItem = Other.ListViewItem;
SourcePosition = Other.SourcePosition;
CompiledPosition = Other.CompiledPosition;
IDE = Other.IDE;
}
public void CopyFrom(Annotation Other)
{
Element = Other.Element;
FirstRunnable = Other.FirstRunnable;
RunnableParentBlock = Other.RunnableParentBlock;
RunnablesCount = Other.RunnablesCount;
TreeViewNode = Other.TreeViewNode;
ListViewItem = Other.ListViewItem;
SourcePosition = Other.SourcePosition;
CompiledPosition = Other.CompiledPosition;
IDE = Other.IDE;
}
/// <summary>
/// Parse imports and imported functions' aliases
/// </summary>
/// <returns></returns>
public bool ParseImports()
{
Dictionary<string, Dictionary<string, List<string>>> imports = new Dictionary<string, Dictionary<string, List<string>>>();
HashSet<string> all_aliases = new HashSet<string>();
//Find all imports
while (_caret.WS().Match(@"(?<_kw>import)(?!\w)"))
{
Element el;
string file = null;
Dictionary<string, List<string>> aliases = new Dictionary<string, List<string>>();
//Get the file name
el = PELiteral(null);
if ((el == null) || !(el is TextSearch) || (((TextSearch)el).Type != TextSearch.eType.Normal))
ThrowParseError("Expected the file name", (el == null) ? _caret.LastMatch : el.Annotation.SourcePosition);
else
{
file = ((Literal)(((TextSearch)el).Pattern)).Text;
if (imports.ContainsKey(file))
{
ThrowParseError("File already imported", el.Annotation.SourcePosition);
file = null;
}
}
//Get function aliases
if (_caret.WS().Match(@"(?<_kw>aliases)(?!\w)"))
{
if (!_caret.WS().Match(@"\{"))
ThrowParseError("Expected {");
else
{
while (true)
{
//End of aliases
if (_caret.WS().Match(@"}"))
{
_caret.Position = _caret.LastMatch.Index;
break;
}
//Get alias(es)
if (!_caret.WS().Match(@"(?<_fun>\w+)(?!\w){ws}?(\>{ws}?(?<_fun>\w+)(?!\w)({ws}?,{ws}?(?<_fun>\w+)(?!\w))*)?"))
{
ThrowParseError("Expected 'Function>Alias1,Alias2' or 'Function>Alias' or 'Function'");
break;
}
else
{
var grps = _caret.LastMatch.Groups["_fun"];
var fun_name = grps.Captures[0].Value;
List<string> fun_aliases;
//Get aliases list and add if needed
if (aliases.ContainsKey(fun_name))
fun_aliases = aliases[fun_name];
else
{
fun_aliases = new List<string>();
aliases.Add(fun_name, fun_aliases);
}
//Check if an alias is already declared, and if not add it
if (grps.Captures.Count > 1)
{
for (int i = 1 ; i < grps.Captures.Count ; i++)
{
var c = grps.Captures[i];
if (all_aliases.Contains(c.Value))
ThrowParseError(string.Format("Alias '{0}' already declared", c.Value), c);
else
{
fun_aliases.Add(c.Value);
all_aliases.Add(c.Value);
}
}
}
//Import without changing the name
else
{
if (all_aliases.Contains(fun_name))
ThrowParseError(string.Format("Alias '{0}' already declared", fun_name));
else
{
fun_aliases.Add(fun_name);
all_aliases.Add(fun_name);
}
}
}
}
if (aliases.Count == 0)
ThrowParseError("No aliases specified");
if (!_caret.WS().Match(@"}"))
ThrowParseError("Expected }");
}
}
//Successful import
if (file != null)
imports.Add(file, aliases);
}
//Load imports
IDE temp_ide = new IDE();
temp_ide.GetSourceFile = IDE.GetSourceFile;
//Load and parse the imports
if (temp_ide.GetSourceFile == null)
{
if (imports.Count > 0)
ThrowParseError("Imports defined but no way to get source files is provided");
}
else
foreach (var im in imports)
{
temp_ide.Clear();
//Get the source file
if (!temp_ide.GetSourceFile(IDE.SourceUID, im.Key, out temp_ide.SourceText, out temp_ide.SourceUID, out temp_ide.SourceFileName))
ThrowParseError(string.Format("Could not get source file '{0}' in '{1}'", im.Key, IDE.SourceFileName));
else
{
//Parse it
if (!temp_ide.Parser.Parse() || (temp_ide.GrammarTree.ParseErrors.Count > 0))
ThrowParseError(string.Format("Errors encountered parsing source file '{0}'({1}) in '{2}'", im.Key, temp_ide.SourceFileName, IDE.SourceFileName));
//Add the imported functions
var als = im.Value;
var funs = temp_ide.GrammarTree.Functions;
foreach (var fun in funs)
//Add with alias
if (als.ContainsKey(fun.Name))
{
foreach (var fal in als[fun.Name])
ImportedFunctions.Add(fal, fun);
als.Remove(fun.Name);
}
else if (!all_aliases.Contains(fun.Name))
ImportedFunctions.Add(fun.Name, fun);
foreach (var al in als)
ThrowParseError(string.Format("'{0}' not defined in file '{1}'", al.Key, im.Key));
//Update maximum function variables (+ arguments)
if (temp_ide.GrammarTree.MaxFunctionVariables > IDE.GrammarTree.MaxFunctionVariables)
IDE.GrammarTree.MaxFunctionVariables = temp_ide.GrammarTree.MaxFunctionVariables;
}
}
return true;
}
