diff options
Diffstat (limited to 'src/tools/qlalr/cppgenerator.cpp')
| -rw-r--r-- | src/tools/qlalr/cppgenerator.cpp | 209 |
1 files changed, 105 insertions, 104 deletions
diff --git a/src/tools/qlalr/cppgenerator.cpp b/src/tools/qlalr/cppgenerator.cpp index 508db696b1..95f70dc988 100644 --- a/src/tools/qlalr/cppgenerator.cpp +++ b/src/tools/qlalr/cppgenerator.cpp @@ -36,6 +36,8 @@ #include <QtCore/qfile.h> #include <QtCore/qmap.h> +#include <iterator> + namespace { void generateSeparator(int i, QTextStream &out) @@ -43,7 +45,7 @@ void generateSeparator(int i, QTextStream &out) if (!(i % 10)) { if (i) out << ","; - out << endl << " "; + out << Qt::endl << " "; } else { out << ", "; } @@ -126,9 +128,9 @@ QString CppGenerator::endIncludeGuard(const QString &fileName) void CppGenerator::operator () () { // action table... - state_count = aut.states.size (); - terminal_count = grammar.terminals.size (); - non_terminal_count = grammar.non_terminals.size (); + state_count = static_cast<int>(aut.states.size()); + terminal_count = static_cast<int>(grammar.terminals.size()); + non_terminal_count = static_cast<int>(grammar.non_terminals.size()); #define ACTION(i, j) table [(i) * terminal_count + (j)] #define GOTO(i, j) pgoto [(i) * non_terminal_count + (j)] @@ -156,7 +158,7 @@ void CppGenerator::operator () () if (grammar.isNonTerminal (a.key ())) { - Q_ASSERT (symbol >= terminal_count && symbol < grammar.names.size ()); + Q_ASSERT(symbol >= terminal_count && symbol < static_cast<int>(grammar.names.size())); GOTO (q, symbol - terminal_count) = r; } @@ -187,14 +189,14 @@ void CppGenerator::operator () () { if (verbose) qout() << "*** Warning. Found a reduce/reduce conflict in state " << q << " on token ``" << s << "'' between rule " - << r << " and " << -u << endl; + << r << " and " << -u << Qt::endl; ++reduce_reduce_conflict_count; u = qMax (u, -r); if (verbose) - qout() << "\tresolved using rule " << -u << endl; + qout() << "\tresolved using rule " << -u << Qt::endl; } else if (u > 0) @@ -227,7 +229,7 @@ void CppGenerator::operator () () ++shift_reduce_conflict_count; if (verbose) - qout() << "*** Warning. Found a shift/reduce conflict in state " << q << " on token ``" << s << "'' with rule " << r << endl; + qout() << "*** Warning. Found a shift/reduce conflict in state " << q << " on token ``" << s << "'' with rule " << r << Qt::endl; } } } @@ -238,14 +240,14 @@ void CppGenerator::operator () () { if (shift_reduce_conflict_count != grammar.expected_shift_reduce || reduce_reduce_conflict_count != grammar.expected_reduce_reduce) - qerr() << "*** Conflicts: " << shift_reduce_conflict_count << " shift/reduce, " << reduce_reduce_conflict_count << " reduce/reduce" << endl; + qerr() << "*** Conflicts: " << shift_reduce_conflict_count << " shift/reduce, " << reduce_reduce_conflict_count << " reduce/reduce" << Qt::endl; if (verbose) - qout() << endl << "*** Conflicts: " << shift_reduce_conflict_count << " shift/reduce, " << reduce_reduce_conflict_count << " reduce/reduce" << endl - << endl; + qout() << Qt::endl << "*** Conflicts: " << shift_reduce_conflict_count << " shift/reduce, " << reduce_reduce_conflict_count << " reduce/reduce" << Qt::endl + << Qt::endl; } - QBitArray used_rules (grammar.rules.count ()); + QBitArray used_rules{static_cast<int>(grammar.rules.size())}; int q = 0; for (StatePointer state = aut.states.begin (); state != aut.states.end (); ++state, ++q) @@ -259,14 +261,13 @@ void CppGenerator::operator () () } } - for (int i = 0; i < used_rules.count (); ++i) + auto rule = grammar.rules.begin(); + for (int i = 0; i < used_rules.count (); ++i, ++rule) { if (! used_rules.testBit (i)) { - RulePointer rule = grammar.rules.begin () + i; - if (rule != grammar.goal) - qerr() << "*** Warning: Rule ``" << *rule << "'' is useless!" << endl; + qerr() << "*** Warning: Rule ``" << *rule << "'' is useless!" << Qt::endl; } } @@ -280,7 +281,7 @@ void CppGenerator::operator () () if (u >= 0) continue; - RulePointer rule = grammar.rules.begin () + (- u - 1); + RulePointer rule = std::next(grammar.rules.begin(), - u - 1); if (state->defaultReduce == rule) u = 0; @@ -348,26 +349,26 @@ void CppGenerator::operator () () { out << copyrightHeader() << privateCopyrightHeader() - << endl; + << Qt::endl; } out << "// This file was generated by qlalr - DO NOT EDIT!\n"; - out << startIncludeGuard(grammar.merged_output) << endl; + out << startIncludeGuard(grammar.merged_output) << Qt::endl; if (copyright) { - out << "#if defined(ERROR)" << endl - << "# undef ERROR" << endl - << "#endif" << endl << endl; + out << "#if defined(ERROR)" << Qt::endl + << "# undef ERROR" << Qt::endl + << "#endif" << Qt::endl << Qt::endl; } generateDecl (out); generateImpl (out); out << p.decls(); out << p.impls(); - out << endl; + out << Qt::endl; - out << endIncludeGuard(grammar.merged_output) << endl; + out << endIncludeGuard(grammar.merged_output) << Qt::endl; return; } @@ -388,24 +389,24 @@ void CppGenerator::operator () () { out << copyrightHeader() << privateCopyrightHeader() - << endl; + << Qt::endl; } out << "// This file was generated by qlalr - DO NOT EDIT!\n"; - out << "#ifndef " << prot << endl - << "#define " << prot << endl - << endl; + out << "#ifndef " << prot << Qt::endl + << "#define " << prot << Qt::endl + << Qt::endl; if (copyright) { - out << "#include <QtCore/qglobal.h>" << endl << endl; - out << "QT_BEGIN_NAMESPACE" << endl << endl; + out << "#include <QtCore/qglobal.h>" << Qt::endl << Qt::endl; + out << "QT_BEGIN_NAMESPACE" << Qt::endl << Qt::endl; } generateDecl (out); if (copyright) - out << "QT_END_NAMESPACE" << endl; + out << "QT_END_NAMESPACE" << Qt::endl; - out << "#endif // " << prot << endl << endl; + out << "#endif // " << prot << Qt::endl << Qt::endl; } // end decls { // bits... @@ -419,12 +420,12 @@ void CppGenerator::operator () () out << "// This file was generated by qlalr - DO NOT EDIT!\n"; - out << "#include \"" << declFileName << "\"" << endl << endl; + out << "#include \"" << declFileName << "\"" << Qt::endl << Qt::endl; if (copyright) - out << "QT_BEGIN_NAMESPACE" << endl << endl; + out << "QT_BEGIN_NAMESPACE" << Qt::endl << Qt::endl; generateImpl(out); if (copyright) - out << "QT_END_NAMESPACE" << endl; + out << "QT_END_NAMESPACE" << Qt::endl; } // end bits @@ -455,10 +456,10 @@ QString CppGenerator::debugInfoProt() const void CppGenerator::generateDecl (QTextStream &out) { - out << "class " << grammar.table_name << endl - << "{" << endl - << "public:" << endl - << " enum VariousConstants {" << endl; + out << "class " << grammar.table_name << Qt::endl + << "{" << Qt::endl + << "public:" << Qt::endl + << " enum VariousConstants {" << Qt::endl; for (const Name &t : qAsConst(grammar.terminals)) { @@ -474,62 +475,62 @@ void CppGenerator::generateDecl (QTextStream &out) else name.prepend (grammar.token_prefix); - out << " " << name << " = " << value << "," << endl; + out << " " << name << " = " << value << "," << Qt::endl; } - out << endl - << " ACCEPT_STATE = " << accept_state << "," << endl - << " RULE_COUNT = " << grammar.rules.size () << "," << endl - << " STATE_COUNT = " << state_count << "," << endl - << " TERMINAL_COUNT = " << terminal_count << "," << endl - << " NON_TERMINAL_COUNT = " << non_terminal_count << "," << endl - << endl - << " GOTO_INDEX_OFFSET = " << compressed_action.index.size () << "," << endl - << " GOTO_INFO_OFFSET = " << compressed_action.info.size () << "," << endl - << " GOTO_CHECK_OFFSET = " << compressed_action.check.size () << endl - << " };" << endl - << endl - << " static const char *const spell[];" << endl - << " static const short lhs[];" << endl - << " static const short rhs[];" << endl; + out << Qt::endl + << " ACCEPT_STATE = " << accept_state << "," << Qt::endl + << " RULE_COUNT = " << grammar.rules.size () << "," << Qt::endl + << " STATE_COUNT = " << state_count << "," << Qt::endl + << " TERMINAL_COUNT = " << terminal_count << "," << Qt::endl + << " NON_TERMINAL_COUNT = " << non_terminal_count << "," << Qt::endl + << Qt::endl + << " GOTO_INDEX_OFFSET = " << compressed_action.index.size () << "," << Qt::endl + << " GOTO_INFO_OFFSET = " << compressed_action.info.size () << "," << Qt::endl + << " GOTO_CHECK_OFFSET = " << compressed_action.check.size () << Qt::endl + << " };" << Qt::endl + << Qt::endl + << " static const char *const spell[];" << Qt::endl + << " static const short lhs[];" << Qt::endl + << " static const short rhs[];" << Qt::endl; if (debug_info) { QString prot = debugInfoProt(); - out << endl << "#ifndef " << prot << endl - << " static const int rule_index[];" << endl - << " static const int rule_info[];" << endl - << "#endif // " << prot << endl << endl; + out << Qt::endl << "#ifndef " << prot << Qt::endl + << " static const int rule_index[];" << Qt::endl + << " static const int rule_info[];" << Qt::endl + << "#endif // " << prot << Qt::endl << Qt::endl; } - out << " static const short goto_default[];" << endl - << " static const short action_default[];" << endl - << " static const short action_index[];" << endl - << " static const short action_info[];" << endl - << " static const short action_check[];" << endl - << endl - << " static inline int nt_action (int state, int nt)" << endl - << " {" << endl - << " const int yyn = action_index [GOTO_INDEX_OFFSET + state] + nt;" << endl - << " if (yyn < 0 || action_check [GOTO_CHECK_OFFSET + yyn] != nt)" << endl - << " return goto_default [nt];" << endl - << endl - << " return action_info [GOTO_INFO_OFFSET + yyn];" << endl - << " }" << endl - << endl - << " static inline int t_action (int state, int token)" << endl - << " {" << endl - << " const int yyn = action_index [state] + token;" << endl - << endl - << " if (yyn < 0 || action_check [yyn] != token)" << endl - << " return - action_default [state];" << endl - << endl - << " return action_info [yyn];" << endl - << " }" << endl - << "};" << endl - << endl - << endl; + out << " static const short goto_default[];" << Qt::endl + << " static const short action_default[];" << Qt::endl + << " static const short action_index[];" << Qt::endl + << " static const short action_info[];" << Qt::endl + << " static const short action_check[];" << Qt::endl + << Qt::endl + << " static inline int nt_action (int state, int nt)" << Qt::endl + << " {" << Qt::endl + << " const int yyn = action_index [GOTO_INDEX_OFFSET + state] + nt;" << Qt::endl + << " if (yyn < 0 || action_check [GOTO_CHECK_OFFSET + yyn] != nt)" << Qt::endl + << " return goto_default [nt];" << Qt::endl + << Qt::endl + << " return action_info [GOTO_INFO_OFFSET + yyn];" << Qt::endl + << " }" << Qt::endl + << Qt::endl + << " static inline int t_action (int state, int token)" << Qt::endl + << " {" << Qt::endl + << " const int yyn = action_index [state] + token;" << Qt::endl + << Qt::endl + << " if (yyn < 0 || action_check [yyn] != token)" << Qt::endl + << " return - action_default [state];" << Qt::endl + << Qt::endl + << " return action_info [yyn];" << Qt::endl + << " }" << Qt::endl + << "};" << Qt::endl + << Qt::endl + << Qt::endl; } void CppGenerator::generateImpl (QTextStream &out) @@ -568,16 +569,16 @@ void CppGenerator::generateImpl (QTextStream &out) { first_nt = false; QString prot = debugInfoProt(); - out << endl << "#ifndef " << prot << endl; + out << Qt::endl << "#ifndef " << prot << Qt::endl; } out << "\"" << *t << "\""; } } if (debug_info) - out << endl << "#endif // " << debugInfoProt() << endl; + out << Qt::endl << "#endif // " << debugInfoProt() << Qt::endl; - out << endl << "};" << endl << endl; + out << Qt::endl << "};" << Qt::endl << Qt::endl; out << "const short " << grammar.table_name << "::lhs [] = {"; idx = 0; @@ -587,7 +588,7 @@ void CppGenerator::generateImpl (QTextStream &out) out << aut.id (rule->lhs); } - out << endl << "};" << endl << endl; + out << Qt::endl << "};" << Qt::endl << Qt::endl; out << "const short " << grammar.table_name << "::rhs [] = {"; idx = 0; @@ -597,13 +598,13 @@ void CppGenerator::generateImpl (QTextStream &out) out << rule->rhs.size (); } - out << endl << "};" << endl << endl; + out << Qt::endl << "};" << Qt::endl << Qt::endl; if (debug_info) { QString prot = debugInfoProt(); - out << endl << "#ifndef " << prot << endl; + out << Qt::endl << "#ifndef " << prot << Qt::endl; out << "const int " << grammar.table_name << "::rule_info [] = {"; idx = 0; for (auto rule = grammar.rules.cbegin (); rule != grammar.rules.cend (); ++rule, ++idx) @@ -615,11 +616,11 @@ void CppGenerator::generateImpl (QTextStream &out) for (const Name &n : rule->rhs) out << ", " << name_ids.value (n); } - out << endl << "};" << endl << endl; + out << Qt::endl << "};" << Qt::endl << Qt::endl; out << "const int " << grammar.table_name << "::rule_index [] = {"; idx = 0; - int offset = 0; + size_t offset = 0; for (RulePointer rule = grammar.rules.begin (); rule != grammar.rules.end (); ++rule, ++idx) { generateSeparator(idx, out); @@ -627,8 +628,8 @@ void CppGenerator::generateImpl (QTextStream &out) out << offset; offset += rule->rhs.size () + 1; } - out << endl << "};" << endl - << "#endif // " << prot << endl << endl; + out << Qt::endl << "};" << Qt::endl + << "#endif // " << prot << Qt::endl << Qt::endl; } out << "const short " << grammar.table_name << "::action_default [] = {"; @@ -642,27 +643,27 @@ void CppGenerator::generateImpl (QTextStream &out) else out << "0"; } - out << endl << "};" << endl << endl; + out << Qt::endl << "};" << Qt::endl << Qt::endl; out << "const short " << grammar.table_name << "::goto_default [] = {"; generateList(defgoto, out); - out << endl << "};" << endl << endl; + out << Qt::endl << "};" << Qt::endl << Qt::endl; out << "const short " << grammar.table_name << "::action_index [] = {"; generateList(compressed_action.index, out); - out << "," << endl; + out << "," << Qt::endl; generateList(compressed_goto.index, out); - out << endl << "};" << endl << endl; + out << Qt::endl << "};" << Qt::endl << Qt::endl; out << "const short " << grammar.table_name << "::action_info [] = {"; generateList(compressed_action.info, out); - out << "," << endl; + out << "," << Qt::endl; generateList(compressed_goto.info, out); - out << endl << "};" << endl << endl; + out << Qt::endl << "};" << Qt::endl << Qt::endl; out << "const short " << grammar.table_name << "::action_check [] = {"; generateList(compressed_action.check, out); - out << "," << endl; + out << "," << Qt::endl; generateList(compressed_goto.check, out); - out << endl << "};" << endl << endl; + out << Qt::endl << "};" << Qt::endl << Qt::endl; } |