public void NonTerminalDeclarationTest()
{
//Typing a < on a new line should bring up a non-terminal list
string text = "int = {Digit}+\r\n" + //0-15
"<\r\n" + //16-18
"<value>::=int";
var target = new CompletionProvider (text);
var list = target.GetCompletionList (16);
Assert.IsNotNull (list);
//list should contain <value>
Assert.AreEqual (1, list.Count);
Assert.AreEqual ("<value>", list [0].DisplayText);
}
public void NoListInLiteralTest()
{
//A list should not be created when typing in a
// terminal literal
string text;
ICompletionDataList completionList;
//start of a terminal literal - should be no list
text = "keyword = !*'*!'inaliteral";
var target = new CompletionProvider (text);
completionList = target.GetCompletionList (16); //at the 'i'
Assert.IsNull (completionList);
}
public void NoListInBlockCommentTest()
{
//A list should not be created when the context is a
// block comment
string text;
ICompletionDataList completionList;
text="!* start of block\r\n"+
"<expr";
var target = new CompletionProvider (text);
completionList = target.GetCompletionList (19); //at the '<'
Assert.IsNull (completionList);
}
public void InCommentsTest()
{
string text = "!*<*!\"\r\n" +
"!*{*!{<value>::=<expr>\r\n" +
"\t <\r\n";
var target = new CompletionProvider (text);
//completion should not show up while inside a comment
var completionList = target.GetCompletionList (2);
Assert.IsNull (completionList);
completionList = target.GetCompletionList (10);
Assert.IsNull (completionList);
text = "<A>::=a !<A>";
target = new CompletionProvider (text);
completionList = target.GetCompletionList (9);
Assert.IsNull (completionList);
}
///<summary>
/// Returns a list of completion suggestions to display while editing a document
/// </summary>
public override ICompletionDataList HandleCodeCompletion(CodeCompletionContext completionContext, char completionChar, ref int triggerWordLength)
{
//When we are in a different editing mode do not provide completions
if (Editor.Parent.CurrentMode is TextLinkEditMode)
{
return null;
}
var doc = Document.ParsedDocument as GoldParsedDocument;
var completionProvider = new CompletionProvider (doc, Editor.Text);
//ICompletionProvider completionProvider = new CompletionProvider (Editor.Text);
ICompletionDataList completionList = completionProvider.GetCompletionList (Editor.Caret.Offset-1);
if (completionList != null)
{
//the triggerWordLength sets the length of the text already entered.
// so when the user types < the length so far is 1, and the first < will
// be highlighted for every suggestion in the completion list
triggerWordLength = 1;
}
return completionList;
}
public void NonTerminalListTest()
{
string text = "<s-Expression> ::= <Quote> Atom\r\n" + //index: 0-32
"\t| <Quote> '(' <Series> ')'\r\n" + //index: 33-61
"errorline<Value\r\n"+ //index: 62- 78
"<";
var target = new CompletionProvider (text);
int nonTermCount = 3; //<s-Expression>, <Quote>, and <Series>
//case 1: < at new line
var completionList = target.GetCompletionList (79);
Assert.AreEqual (nonTermCount, completionList.Count);
//case 2: < inside rule declaration (first line)
completionList = target.GetCompletionList (19);
Assert.AreEqual(nonTermCount+1, completionList.Count); //+1 for <>
//case 3: < inside rule declaration (continuation line)
completionList = target.GetCompletionList (36);
Assert.AreEqual(nonTermCount+1, completionList.Count); //+1 for <>
//case 4: < inside bad syntax line
completionList = target.GetCompletionList (71);
Assert.AreEqual(null, completionList);
}
public void TerminalListTest()
{
string text = "while = 'while'\n"+ //index 0-15
"integer = {Digit}+\n"+ //16-34
"<expr>::= !*..*! integer\n"+ //35-59
"integer = integer'.'integer"; //60-86
ICompletionDataList completionList;
int expectedTermCount = 2; //while, integer
//case 1: on a new line, no completion
var target = new CompletionProvider (text);
completionList = target.GetCompletionList (16);
Assert.IsNull (completionList);
//case 2: in terminal literal, no completion
completionList = target.GetCompletionList (9);
Assert.IsNull (completionList);
//case 3: alpha in a rule declaration
completionList = target.GetCompletionList (52);
Assert.NotNull(completionList);
//list should only have "while" and "integer", but NOT "'while'" (terminal literal)
Assert.AreEqual(expectedTermCount,completionList.Count);
//case 4: alpha in a terminal declaration
completionList = target.GetCompletionList (72);
Assert.AreEqual (expectedTermCount, completionList.Count);
//verify what's in the list
Assert.AreEqual ("while", completionList [0].DisplayText);
Assert.AreEqual ("integer", completionList [1].DisplayText);
}
public void SetNameListTest()
{
string text = "{set}=[xyz]\n" + //0-11
"int = {digit}+\n" + //12-26
"{digit} = {set}\n"; //27-42
var target = new CompletionProvider (text);
ICompletionDataList completionList;
int predefinedSetCount = 29; //the list will return several others that are defined in the meta language
int expectedSetCount = predefinedSetCount + 2; //include {set} and {digit}
//case 1: no completion for lhs of assignment
completionList = target.GetCompletionList (0);
Assert.IsNull (completionList);
//case 2: { in a terminal declaration
completionList = target.GetCompletionList (18);
Assert.AreEqual (expectedSetCount, completionList.Count);
//case 3: { in a set declaration
completionList = target.GetCompletionList (37);
Assert.AreEqual (expectedSetCount, completionList.Count);
//verify what's in the list
Assert.IsTrue(completionListContains(completionList,"{set}"));
Assert.IsTrue (completionListContains (completionList, "{digit}"));
}
public void OnlyDefinedTerminalTest()
{
//the list of terminals should contain only what has been defined
// in the grammar
string text = "int = {Digit}+\r\n" + //0-15
"<value>::=i"; //16-26
var target = new CompletionProvider (text);
var list = target.GetCompletionList (26);
Assert.IsNotNull (list);
//list should contain int, and only int. 'i' should not be there
Assert.AreEqual (1, list.Count);
Assert.AreEqual ("int", list [0].DisplayText);
}
public void OnlyDefinedSetsTest()
{
//the list of sets should contain only what has been defined
// in the grammar
string text = "{hex ch}= {Digit}+[abcdef]\r\n" + //0-27
"hexnum = {\r\n" + //28-39
"{notdefined}";
var target = new CompletionProvider (text);
var list = target.GetCompletionList (37);
Assert.IsNotNull (list);
//The list of sets will contained built-in sets also, so
// we can't just check the count..
//The list should NOT contain {notdefined}
Assert.IsTrue(completionListContains(list,"{hex ch}"));
Assert.IsFalse(completionListContains(list,"{notdefined}"));
}
public void NullableInRuleDeclarationTest()
{
//<> should show up in a rule declaration
string text = "int = {Digit}+\r\n" + //0-15
"<value>::=<"; //16-26
var target = new CompletionProvider (text);
var list = target.GetCompletionList (26);
Assert.IsNotNull (list);
Assert.IsTrue (completionListContains (list, "<>"));
}
public void NullableInNewLineTest()
{
//<> should NOT show up when starting a new line
string text = "int = {Digit}+\r\n" + //0-15
"<\r\n" +
"<value>::=<x>";
var target = new CompletionProvider (text);
var list = target.GetCompletionList (16);
Assert.IsNotNull (list);
Assert.IsFalse (completionListContains (list, "<>"));
}