// Copyright (C) 2016 The Qt Company Ltd. // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0 #include "interactiveinterpreter.h" namespace Debugger::Internal { bool InteractiveInterpreter::canEvaluate() { int yyaction = 0; int yytoken = -1; int yytos = -1; setCode(m_code, 1); m_tokens.append(T_FEED_JS_SCRIPT); m_tokens.append(T_FEED_JS_MODULE); do { if (++yytos == m_stateStack.size()) m_stateStack.resize(m_stateStack.size() * 2); m_stateStack[yytos] = yyaction; again: if (yytoken == -1 && action_index[yyaction] != -TERMINAL_COUNT) { if (m_tokens.isEmpty()) yytoken = lex(); else yytoken = m_tokens.takeFirst(); } yyaction = t_action(yyaction, yytoken); if (yyaction > 0) { if (yyaction == ACCEPT_STATE) { --yytos; return true; } yytoken = -1; } else if (yyaction < 0) { const int ruleno = -yyaction - 1; yytos -= rhs[ruleno]; yyaction = nt_action(m_stateStack[yytos], lhs[ruleno] - TERMINAL_COUNT); } } while (yyaction); const int errorState = m_stateStack[yytos]; if (t_action(errorState, T_AUTOMATIC_SEMICOLON) && canInsertAutomaticSemicolon(yytoken)) { yyaction = errorState; m_tokens.prepend(yytoken); yytoken = T_SEMICOLON; goto again; } if (yytoken != EOF_SYMBOL) return true; return false; } } // Debugger::Internal