PHPEntityBase::Ptr_t PHPCodeCompletion::DoGetPHPEntryUnderTheAtPos(IEditor* editor, int pos, bool forFunctionCalltip)
{
if(!PHPWorkspace::Get()->IsOpen()) return PHPEntityBase::Ptr_t(NULL);
pos = editor->GetCtrl()->WordEndPosition(pos, true);
// Get the expression under the caret
wxString unsavedBuffer = editor->GetTextRange(0, pos);
wxString filter;
PHPEntityBase::Ptr_t resolved;
// Parse the source file
PHPSourceFile source(unsavedBuffer);
source.SetFilename(editor->GetFileName());
source.SetParseFunctionBody(false);
source.Parse();
PHPEntityBase::Ptr_t currentScope = source.CurrentScope();
if(currentScope && currentScope->Is(kEntityTypeClass)) {
// we are trying to resolve a 'word' under the caret within the class
// body but _not_ within a function body (i.e. it can only be
// a definition of some kind)
// try to construct an expression that will work
int wordStart = editor->GetCtrl()->WordStartPosition(pos, true);
wxString theWord = editor->GetTextRange(wordStart, pos);
wxString theWordNoDollar = theWord;
if(theWord.StartsWith("$")) {
theWordNoDollar = theWord.Mid(1);
}
PHPExpression expr2(unsavedBuffer, "<?php $this->" + theWordNoDollar, forFunctionCalltip);
resolved = expr2.Resolve(m_lookupTable, editor->GetFileName().GetFullPath());
filter = expr2.GetFilter();
if(!resolved) {
// Maybe its a static member/function/const, try using static keyword
PHPExpression expr3(unsavedBuffer, "<?php static::" + theWord, forFunctionCalltip);
resolved = expr2.Resolve(m_lookupTable, editor->GetFileName().GetFullPath());
filter = expr2.GetFilter();
}
}
if(!resolved) {
PHPExpression expr(unsavedBuffer, "", forFunctionCalltip);
resolved = expr.Resolve(m_lookupTable, editor->GetFileName().GetFullPath());
filter = expr.GetFilter();
}
if(resolved && !filter.IsEmpty()) {
resolved = m_lookupTable.FindMemberOf(resolved->GetDbId(), filter);
if(!resolved) {
// Fallback to functions and constants
PHPEntityBase::List_t children =
m_lookupTable.FindGlobalFunctionAndConsts(PHPLookupTable::kLookupFlags_ExactMatch, filter);
if(children.size() == 1) {
resolved = *children.begin();
}
}
if(resolved && resolved->Is(kEntityTypeFunction)) {
// for a function, we need to load its children (function arguments)
resolved->SetChildren(m_lookupTable.LoadFunctionArguments(resolved->GetDbId()));
} else if(resolved && resolved->Is(kEntityTypeFunctionAlias)) {
// for a function alias, we need to load the actual functions' children (function arguments)
PHPEntityBase::Ptr_t realFunc = resolved->Cast<PHPEntityFunctionAlias>()->GetFunc();
realFunc->SetChildren(m_lookupTable.LoadFunctionArguments(realFunc->GetDbId()));
}
}
return resolved;
}
void PHPExpression::Suggest(PHPEntityBase::Ptr_t resolved, PHPLookupTable& lookup, PHPEntityBase::List_t& matches)
{
// sanity
if(!resolved) return;
PHPEntityBase::Ptr_t currentScope = GetSourceFile()->CurrentScope();
// GetCount() == 0 && !GetFilter().IsEmpty() i.e. a word completion is required.
// We enhance the list with the following:
// - PHP keywords
// - Global functions
// - Global constants
// - Function arguments
// - Local variables (of the current scope)
// - And aliases e.g. 'use foo\bar as Bar;'
if(GetCount() == 0 && !GetFilter().IsEmpty()) {
// For functions and constants, PHP will fall back to global functions or constants if a
// namespaced function or constant does not exist.
PHPEntityBase::List_t globals =
lookup.FindGlobalFunctionAndConsts(PHPLookupTable::kLookupFlags_Contains, GetFilter());
matches.insert(matches.end(), globals.begin(), globals.end());
if(currentScope && (currentScope->Is(kEntityTypeFunction) || currentScope->Is(kEntityTypeNamespace))) {
// If the current scope is a function
// add the local variables + function arguments to the current list of matches
const PHPEntityBase::List_t& children = currentScope->GetChildren();
PHPEntityBase::List_t::const_iterator iter = children.begin();
for(; iter != children.end(); ++iter) {
PHPEntityBase::Ptr_t child = *iter;
if(child->Is(kEntityTypeVariable) && child->GetShortName().Contains(GetFilter()) &&
child->GetShortName() != GetFilter()) {
matches.push_back(child);
}
}
}
{
// Add aliases
PHPEntityBase::List_t aliases = GetSourceFile()->GetAliases();
PHPEntityBase::List_t::iterator iter = aliases.begin();
for(; iter != aliases.end(); ++iter) {
if((*iter)->GetShortName().Contains(GetFilter())) {
matches.push_back(*iter);
}
}
}
{
// Add $this incase we are inside a class (but only if '$this' contains the filter string)
wxString lcFilter = GetFilter().Lower();
if(GetSourceFile()->Class() && wxString("$this").Contains(lcFilter)) {
PHPEntityBase::Ptr_t thiz(new PHPEntityVariable());
thiz->SetFullName("$this");
thiz->SetShortName("$this");
thiz->SetFilename(currentScope->GetFilename());
matches.push_back(thiz);
}
}
}
// Add the scoped matches
// for the code completion
size_t flags = PHPLookupTable::kLookupFlags_Contains | GetLookupFlags();
if(resolved->Is(kEntityTypeClass)) {
if(resolved->Cast<PHPEntityClass>()->IsInterface() || resolved->Cast<PHPEntityClass>()->IsAbstractClass()) {
flags |= PHPLookupTable::kLookupFlags_IncludeAbstractMethods;
}
}
PHPEntityBase::List_t scopeChildren = lookup.FindChildren(resolved->GetDbId(), flags, GetFilter());
matches.insert(matches.end(), scopeChildren.begin(), scopeChildren.end());
// Incase the resolved is a namespace, suggest all children namespaces
if(resolved->Is(kEntityTypeNamespace)) {
PHPEntityBase::List_t namespaces = lookup.FindNamespaces(resolved->GetFullName(), GetFilter());
matches.insert(matches.end(), namespaces.begin(), namespaces.end());
}
// and make the list unique
DoMakeUnique(matches);
}