private NativeMethods.FindSourceDefinitionsAndDetermineSymbolResult GetNode(SnapshotPoint point, Project project, string fileName)
{
Compiler compiler;
try {
compiler = compilerHost.Value.CreateCompiler(project);
} catch (COMException) { return(null); } // Don't choke on metadata as source
var sourceFile = compiler.SourceFiles[new FileName(fileName)];
var node = sourceFile.GetParseTree().FindLeafNode(CSharpLanguageUtilities.ToPosition(point));
if (node == null)
{
return(null);
}
var rNode = ParseTreeMatch.GetReferencedNode(node);
if (rNode == null)
{
return(null);
}
return(NativeMethods.FindSourceDefinitionsAndDetermineSymbolFromParseTree((IDECompilation)compiler.GetCompilation(), null, rNode));
}
public void Test_queries_rule_can_parse_multiple(string query)
{
CmsqlParser parser = CreateParserForQuery(query);
IParseTree tree = parser.queries();
ParseTreePattern pattern = parser.CompileParseTreePattern(
"<query> <TERMINATOR> <query> <TERMINATOR> <query> <EOF>",
CmsqlParser.RULE_queries);
ParseTreeMatch match = pattern.Match(tree);
match.Succeeded.Should().BeTrue();
}
public void Test_query_rule_can_parse_query_with_where_clause(string query)
{
CmsqlParser parser = CreateParserForQuery(query);
IParseTree tree = parser.query();
ParseTreePattern pattern = parser.CompileParseTreePattern(
"<selectClause> <fromClause> <whereClause>",
CmsqlParser.RULE_query);
ParseTreeMatch match = pattern.Match(tree);
match.Succeeded.Should().BeTrue();
}
public void Test_conditon_rule_can_parse_not_equals_condition(string query)
{
CmsqlParser parser = CreateParserForQuery(query);
IParseTree tree = parser.condition();
ParseTreePattern pattern = parser.CompileParseTreePattern(
"<IDENTIFIER> <NOTEQUALS> <LITERAL>",
CmsqlParser.RULE_condition);
ParseTreeMatch match = pattern.Match(tree);
match.Succeeded.Should().BeTrue();
}
public void Test_expression_rule_can_parse_condition(string query)
{
CmsqlParser parser = CreateParserForQuery(query);
IParseTree tree = parser.expression();
ParseTreePattern pattern = parser.CompileParseTreePattern(
"<expression>",
CmsqlParser.RULE_expression);
ParseTreeMatch match = pattern.Match(tree);
match.Succeeded.Should().BeTrue();
}
public void Test_selectClause_rule_can_parse_valid_identifier(string identifier)
{
CmsqlParser parser = CreateParserForQuery($"select {identifier}");
IParseTree tree = parser.selectClause();
ParseTreePattern pattern = parser.CompileParseTreePattern(
"<SELECT> <IDENTIFIER>",
CmsqlParser.RULE_selectClause);
ParseTreeMatch match = pattern.Match(tree);
match.Succeeded.Should().BeTrue();
}
public static NativeMethods.FindSourceDefinitionsAndDetermineSymbolResult GetNode(SnapshotPoint point, Project project, string fileName)
{
var compiler = compilerHost.Value.CreateCompiler(project);
var sourceFile = compiler.SourceFiles[new FileName(fileName)];
var node = sourceFile.GetParseTree().FindLeafNode(LanguageUtilities.ToCSharpPosition(point));
if (node == null)
{
return(null);
}
var rNode = ParseTreeMatch.GetReferencedNode(node);
if (rNode == null)
{
return(null);
}
return(NativeMethods.FindSourceDefinitionsAndDetermineSymbolFromParseTree((IDECompilation)compiler.GetCompilation(), null, rNode));
}