private function parseStatementFn()

in src/Parser.php [497:625]
87 lines of code
38 McCabe index (conditional complexity)

    private function parseStatementFn() {
        return function ($parentNode) {
            $token = $this->getCurrentToken();
            switch ($token->kind) {
                // compound-statement
                case TokenKind::OpenBraceToken:
                    return $this->parseCompoundStatement($parentNode);

                // labeled-statement
                case TokenKind::Name:
                    if ($this->lookahead(TokenKind::ColonToken)) {
                        return $this->parseNamedLabelStatement($parentNode);
                    }
                    break;

                // selection-statement
                case TokenKind::IfKeyword:
                    return $this->parseIfStatement($parentNode);
                case TokenKind::SwitchKeyword:
                    return $this->parseSwitchStatement($parentNode);

                // iteration-statement
                case TokenKind::WhileKeyword: // while-statement
                    return $this->parseWhileStatement($parentNode);
                case TokenKind::DoKeyword: // do-statement
                    return $this->parseDoStatement($parentNode);
                case TokenKind::ForKeyword: // for-statement
                    return $this->parseForStatement($parentNode);
                case TokenKind::ForeachKeyword: // foreach-statement
                    return $this->parseForeachStatement($parentNode);

                // jump-statement
                case TokenKind::GotoKeyword: // goto-statement
                    return $this->parseGotoStatement($parentNode);
                case TokenKind::ContinueKeyword: // continue-statement
                case TokenKind::BreakKeyword: // break-statement
                    return $this->parseBreakOrContinueStatement($parentNode);
                case TokenKind::ReturnKeyword: // return-statement
                    return $this->parseReturnStatement($parentNode);

                // try-statement
                case TokenKind::TryKeyword:
                    return $this->parseTryStatement($parentNode);

                // declare-statement
                case TokenKind::DeclareKeyword:
                    return $this->parseDeclareStatement($parentNode);

                // attribute before statement or anonymous function
                case TokenKind::AttributeToken:
                    return $this->parseAttributeStatement($parentNode);

                // function-declaration
                case TokenKind::FunctionKeyword:
                    // Check that this is not an anonymous-function-creation-expression
                    if ($this->lookahead($this->nameOrKeywordOrReservedWordTokens) || $this->lookahead(TokenKind::AmpersandToken, $this->nameOrKeywordOrReservedWordTokens)) {
                        return $this->parseFunctionDeclaration($parentNode);
                    }
                    break;

                // class-declaration
                case TokenKind::FinalKeyword:
                case TokenKind::AbstractKeyword:
                    if (!$this->lookahead(TokenKind::ClassKeyword)) {
                        $this->advanceToken();
                        return new SkippedToken($token);
                    }
                case TokenKind::ClassKeyword:
                    return $this->parseClassDeclaration($parentNode);

                // interface-declaration
                case TokenKind::InterfaceKeyword:
                    return $this->parseInterfaceDeclaration($parentNode);

                // namespace-definition
                case TokenKind::NamespaceKeyword:
                    if (!$this->lookahead(TokenKind::BackslashToken)) {
                        // TODO add error handling for the case where a namespace definition does not occur in the outer-most scope
                        return $this->parseNamespaceDefinition($parentNode);
                    }
                    break;

                // namespace-use-declaration
                case TokenKind::UseKeyword:
                    return $this->parseNamespaceUseDeclaration($parentNode);

                case TokenKind::SemicolonToken:
                    return $this->parseEmptyStatement($parentNode);

                case TokenKind::EchoKeyword:
                    return $this->parseEchoStatement($parentNode);

                // trait-declaration
                case TokenKind::TraitKeyword:
                    return $this->parseTraitDeclaration($parentNode);

                case TokenKind::EnumKeyword:
                    return $this->parseEnumDeclaration($parentNode);

                // global-declaration
                case TokenKind::GlobalKeyword:
                    return $this->parseGlobalDeclaration($parentNode);

                // const-declaration
                case TokenKind::ConstKeyword:
                    return $this->parseConstDeclaration($parentNode);

                // function-static-declaration
                case TokenKind::StaticKeyword:
                    // Check that this is not an anonymous-function-creation-expression
                    if (!$this->lookahead([TokenKind::FunctionKeyword, TokenKind::FnKeyword, TokenKind::OpenParenToken, TokenKind::ColonColonToken])) {
                        return $this->parseFunctionStaticDeclaration($parentNode);
                    }
                    break;

                case TokenKind::ScriptSectionEndTag:
                    return $this->parseInlineHtml($parentNode);

                case TokenKind::UnsetKeyword:
                    return $this->parseUnsetStatement($parentNode);
            }

            $expressionStatement = new ExpressionStatement();
            $expressionStatement->parent = $parentNode;
            $expressionStatement->expression = $this->parseExpression($expressionStatement, true);
            $expressionStatement->semicolon = $this->eatSemicolonOrAbortStatement();
            return $expressionStatement;
        };
    }