Mark all constructors taking a single argument as "explicit"

For a rationale, see http://www.sjbrown.co.uk/2004/05/01/always-use-explicit/

src/CodeInterpreter.hh

@@ -308,7 +308,7 @@ class TagWithoutArgument
 protected:
   uint8_t op_code;
 public:
-  inline
+  inline explicit
   TagWithoutArgument(uint8_t op_code_arg) : op_code(op_code_arg)
   {
   };
@@ -327,7 +327,7 @@ protected:
   uint8_t op_code;
   T1 arg1;
 public:
-  inline
+  inline explicit
   TagWithOneArgument(uint8_t op_code_arg) : op_code(op_code_arg)
   {
   };
@@ -351,7 +351,7 @@ protected:
   T1 arg1;
   T2 arg2;
 public:
-  inline
+  inline explicit
   TagWithTwoArguments(uint8_t op_code_arg) : op_code(op_code_arg)
   {
   };
@@ -376,7 +376,7 @@ protected:
   T2 arg2;
   T3 arg3;
 public:
-  inline
+  inline explicit
   TagWithThreeArguments(uint8_t op_code_arg) : op_code(op_code_arg)
   {
   };
@@ -402,7 +402,7 @@ protected:
   T3 arg3;
   T4 arg4;
 public:
-  inline
+  inline explicit
   TagWithFourArguments(uint8_t op_code_arg) : op_code(op_code_arg)
   {
   };
@@ -488,7 +488,7 @@ public:
   FDIMT_() : TagWithOneArgument<unsigned int>::TagWithOneArgument(FDIMT)
   {
   };
-  inline
+  inline explicit
   FDIMT_(unsigned int size_arg) : TagWithOneArgument<unsigned int>::TagWithOneArgument(FDIMT, size_arg)
   {
   };
@@ -506,7 +506,7 @@ public:
   FDIMST_() : TagWithOneArgument<unsigned int>::TagWithOneArgument(FDIMST)
   {
   };
-  inline
+  inline explicit
   FDIMST_(const unsigned int size_arg) : TagWithOneArgument<unsigned int>::TagWithOneArgument(FDIMST, size_arg)
   {
   };
@@ -524,7 +524,7 @@ public:
   FLDC_() : TagWithOneArgument<double>::TagWithOneArgument(FLDC)
   {
   };
-  inline
+  inline explicit
   FLDC_(const double value_arg) : TagWithOneArgument<double>::TagWithOneArgument(FLDC, value_arg)
   {
   };
@@ -542,7 +542,7 @@ public:
   FLDU_() : TagWithOneArgument<unsigned int>::TagWithOneArgument(FLDU)
   {
   };
-  inline
+  inline explicit
   FLDU_(const unsigned int pos_arg) : TagWithOneArgument<unsigned int>::TagWithOneArgument(FLDU, pos_arg)
   {
   };
@@ -560,7 +560,7 @@ public:
   FLDSU_() : TagWithOneArgument<unsigned int>::TagWithOneArgument(FLDSU)
   {
   };
-  inline
+  inline explicit
   FLDSU_(const unsigned int pos_arg) : TagWithOneArgument<unsigned int>::TagWithOneArgument(FLDSU, pos_arg)
   {
   };
@@ -578,7 +578,7 @@ public:
   FLDR_() : TagWithOneArgument<unsigned int>::TagWithOneArgument(FLDR)
   {
   };
-  inline
+  inline explicit
   FLDR_(const unsigned int pos_arg) : TagWithOneArgument<unsigned int>::TagWithOneArgument(FLDR, pos_arg)
   {
   };
@@ -596,7 +596,7 @@ public:
   FLDT_() : TagWithOneArgument<unsigned int>::TagWithOneArgument(FLDT)
   {
   };
-  inline
+  inline explicit
   FLDT_(const unsigned int pos_arg) : TagWithOneArgument<unsigned int>::TagWithOneArgument(FLDT, pos_arg)
   {
   };
@@ -614,7 +614,7 @@ public:
   FLDST_() : TagWithOneArgument<unsigned int>::TagWithOneArgument(FLDST)
   {
   };
-  inline
+  inline explicit
   FLDST_(const unsigned int pos_arg) : TagWithOneArgument<unsigned int>::TagWithOneArgument(FLDST, pos_arg)
   {
   };
@@ -632,7 +632,7 @@ public:
   FSTPT_() : TagWithOneArgument<unsigned int>::TagWithOneArgument(FSTPT)
   {
   };
-  inline
+  inline explicit
   FSTPT_(const unsigned int pos_arg) : TagWithOneArgument<unsigned int>::TagWithOneArgument(FSTPT, pos_arg)
   {
   };
@@ -650,7 +650,7 @@ public:
   FSTPST_() : TagWithOneArgument<unsigned int>::TagWithOneArgument(FSTPST)
   {
   };
-  inline
+  inline explicit
   FSTPST_(const unsigned int pos_arg) : TagWithOneArgument<unsigned int>::TagWithOneArgument(FSTPST, pos_arg)
   {
   };
@@ -668,7 +668,7 @@ public:
   FSTPR_() : TagWithOneArgument<unsigned int>::TagWithOneArgument(FSTPR)
   {
   };
-  inline
+  inline explicit
   FSTPR_(const unsigned int pos_arg) : TagWithOneArgument<unsigned int>::TagWithOneArgument(FSTPR, pos_arg)
   {
   };
@@ -686,7 +686,7 @@ public:
   FSTPU_() : TagWithOneArgument<unsigned int>::TagWithOneArgument(FSTPU)
   {
   };
-  inline
+  inline explicit
   FSTPU_(const unsigned int pos_arg) : TagWithOneArgument<unsigned int>::TagWithOneArgument(FSTPU, pos_arg)
   {
   };
@@ -704,7 +704,7 @@ public:
   FSTPSU_() : TagWithOneArgument<unsigned int>::TagWithOneArgument(FSTPSU)
   {
   };
-  inline
+  inline explicit
   FSTPSU_(const unsigned int pos_arg) : TagWithOneArgument<unsigned int>::TagWithOneArgument(FSTPSU, pos_arg)
   {
   };
@@ -722,7 +722,7 @@ public:
   FSTPG_() : TagWithOneArgument<unsigned int>::TagWithOneArgument(FSTPG, 0)
   {
   };
-  inline
+  inline explicit
   FSTPG_(const unsigned int pos_arg) : TagWithOneArgument<unsigned int>::TagWithOneArgument(FSTPG, pos_arg)
   {
   };
@@ -796,7 +796,7 @@ public:
   FUNARY_() : TagWithOneArgument<uint8_t>::TagWithOneArgument(FUNARY)
   {
   };
-  inline
+  inline explicit
   FUNARY_(uint8_t op_type_arg) : TagWithOneArgument<uint8_t>::TagWithOneArgument(FUNARY, op_type_arg)
   {
   };
@@ -814,7 +814,7 @@ public:
   FBINARY_() : TagWithOneArgument<uint8_t>::TagWithOneArgument(FBINARY)
   {
   };
-  inline
+  inline explicit
   FBINARY_(const int op_type_arg) : TagWithOneArgument<uint8_t>::TagWithOneArgument(FBINARY, op_type_arg)
   {
   };
@@ -832,7 +832,7 @@ public:
   FTRINARY_() : TagWithOneArgument<uint8_t>::TagWithOneArgument(FTRINARY)
   {
   };
-  inline
+  inline explicit
   FTRINARY_(const int op_type_arg) : TagWithOneArgument<uint8_t>::TagWithOneArgument(FTRINARY, op_type_arg)
   {
   };
@@ -850,7 +850,7 @@ public:
   FOK_() : TagWithOneArgument<int>::TagWithOneArgument(FOK)
   {
   };
-  inline
+  inline explicit
   FOK_(const int arg_arg) : TagWithOneArgument<int>::TagWithOneArgument(FOK, arg_arg)
   {
   };
@@ -868,7 +868,7 @@ public:
   FJMPIFEVAL_() : TagWithOneArgument<unsigned int>::TagWithOneArgument(FJMPIFEVAL)
   {
   };
-  inline
+  inline explicit
   FJMPIFEVAL_(unsigned int arg_pos) : TagWithOneArgument<unsigned int>::TagWithOneArgument(FJMPIFEVAL, arg_pos)
   {
   };
@@ -886,7 +886,7 @@ public:
   FJMP_() : TagWithOneArgument<unsigned int>::TagWithOneArgument(FJMP)
   {
   };
-  inline
+  inline explicit
   FJMP_(unsigned int arg_pos) : TagWithOneArgument<unsigned int>::TagWithOneArgument(FJMP, arg_pos)
   {
   };
@@ -904,7 +904,7 @@ public:
   FLDTEF_() : TagWithOneArgument<unsigned int>::TagWithOneArgument(FLDTEF)
   {
   };
-  inline
+  inline explicit
   FLDTEF_(unsigned int number) : TagWithOneArgument<unsigned int>::TagWithOneArgument(FLDTEF, number)
   {
   };
@@ -922,7 +922,7 @@ public:
   FSTPTEF_() : TagWithOneArgument<unsigned int>::TagWithOneArgument(FSTPTEF)
   {
   };
-  inline
+  inline explicit
   FSTPTEF_(unsigned int number) : TagWithOneArgument<unsigned int>::TagWithOneArgument(FSTPTEF, number)
   {
   };

src/ComputingTasks.hh

@@ -34,7 +34,7 @@ class SteadyStatement : public Statement
 private:
   const OptionsList options_list;
 public:
-  SteadyStatement(OptionsList options_list_arg);
+  explicit SteadyStatement(OptionsList options_list_arg);
   void checkPass(ModFileStructure &mod_file_struct, WarningConsolidation &warnings) override;
   void writeOutput(ostream &output, const string &basename, bool minimal_workspace) const override;
   void writeJsonOutput(ostream &output) const override;
@@ -45,7 +45,7 @@ class CheckStatement : public Statement
 private:
   const OptionsList options_list;
 public:
-  CheckStatement(OptionsList options_list_arg);
+  explicit CheckStatement(OptionsList options_list_arg);
   void checkPass(ModFileStructure &mod_file_struct, WarningConsolidation &warnings) override;
   void writeOutput(ostream &output, const string &basename, bool minimal_workspace) const override;
   void writeJsonOutput(ostream &output) const override;
@@ -56,7 +56,7 @@ class SimulStatement : public Statement
 private:
   const OptionsList options_list;
 public:
-  SimulStatement(OptionsList options_list_arg);
+  explicit SimulStatement(OptionsList options_list_arg);
   void checkPass(ModFileStructure &mod_file_struct, WarningConsolidation &warnings) override;
   void writeOutput(ostream &output, const string &basename, bool minimal_workspace) const override;
   void writeJsonOutput(ostream &output) const override;
@@ -67,7 +67,7 @@ class PerfectForesightSetupStatement : public Statement
 private:
   const OptionsList options_list;
 public:
-  PerfectForesightSetupStatement(OptionsList options_list_arg);
+  explicit PerfectForesightSetupStatement(OptionsList options_list_arg);
   void writeOutput(ostream &output, const string &basename, bool minimal_workspace) const override;
   void writeJsonOutput(ostream &output) const override;
 };
@@ -77,7 +77,7 @@ class PerfectForesightSolverStatement : public Statement
 private:
   const OptionsList options_list;
 public:
-  PerfectForesightSolverStatement(OptionsList options_list_arg);
+  explicit PerfectForesightSolverStatement(OptionsList options_list_arg);
   void checkPass(ModFileStructure &mod_file_struct, WarningConsolidation &warnings) override;
   void writeOutput(ostream &output, const string &basename, bool minimal_workspace) const override;
   void writeJsonOutput(ostream &output) const override;
@@ -115,7 +115,7 @@ class ModelInfoStatement : public Statement
 private:
   const OptionsList options_list;
 public:
-  ModelInfoStatement(OptionsList options_list_arg);
+  explicit ModelInfoStatement(OptionsList options_list_arg);
   void checkPass(ModFileStructure &mod_file_struct, WarningConsolidation &warnings) override;
   void writeOutput(ostream &output, const string &basename, bool minimal_workspace) const override;
   void writeJsonOutput(ostream &output) const override;
@@ -188,7 +188,7 @@ class VarEstimationStatement : public Statement
 private:
   const OptionsList options_list;
 public:
-  VarEstimationStatement(OptionsList options_list_arg);
+  explicit VarEstimationStatement(OptionsList options_list_arg);
   void checkPass(ModFileStructure &mod_file_struct, WarningConsolidation &warnings) override;
   void writeOutput(ostream &output, const string &basename, bool minimal_workspace) const override;
 };
@@ -210,7 +210,7 @@ class RamseyModelStatement : public Statement
 private:
   const OptionsList options_list;
 public:
-  RamseyModelStatement(OptionsList options_list_arg);
+  explicit RamseyModelStatement(OptionsList options_list_arg);
   void checkPass(ModFileStructure &mod_file_struct, WarningConsolidation &warnings) override;
   void writeOutput(ostream &output, const string &basename, bool minimal_workspace) const override;
   void writeJsonOutput(ostream &output) const override;
@@ -270,7 +270,7 @@ class RplotStatement : public Statement
 private:
   const SymbolList symbol_list;
 public:
-  RplotStatement(SymbolList symbol_list_arg);
+  explicit RplotStatement(SymbolList symbol_list_arg);
   void writeOutput(ostream &output, const string &basename, bool minimal_workspace) const override;
   void writeJsonOutput(ostream &output) const override;
 };
@@ -288,7 +288,7 @@ class PeriodsStatement : public Statement
 private:
   const int periods;
 public:
-  PeriodsStatement(int periods_arg);
+  explicit PeriodsStatement(int periods_arg);
   void writeOutput(ostream &output, const string &basename, bool minimal_workspace) const override;
   void writeJsonOutput(ostream &output) const override;
 };
@@ -298,7 +298,7 @@ class DsampleStatement : public Statement
 private:
   const int val1, val2;
 public:
-  DsampleStatement(int val1_arg);
+  explicit DsampleStatement(int val1_arg);
   DsampleStatement(int val1_arg, int val2_arg);
   void writeOutput(ostream &output, const string &basename, bool minimal_workspace) const override;
   void writeJsonOutput(ostream &output) const override;
@@ -322,7 +322,7 @@ class DynareSensitivityStatement : public Statement
 private:
   const OptionsList options_list;
 public:
-  DynareSensitivityStatement(OptionsList options_list_arg);
+  explicit DynareSensitivityStatement(OptionsList options_list_arg);
   void checkPass(ModFileStructure &mod_file_struct, WarningConsolidation &warnings) override;
   void writeOutput(ostream &output, const string &basename, bool minimal_workspace) const override;
   void writeJsonOutput(ostream &output) const override;
@@ -388,7 +388,7 @@ class OsrParamsBoundsStatement : public Statement
 private:
   const vector<OsrParams> osr_params_list;
 public:
-  OsrParamsBoundsStatement(vector<OsrParams> osr_params_list_arg);
+  explicit OsrParamsBoundsStatement(vector<OsrParams> osr_params_list_arg);
   void checkPass(ModFileStructure &mod_file_struct, WarningConsolidation &warnings) override;
   void writeOutput(ostream &output, const string &basename, bool minimal_workspace) const override;
   void writeJsonOutput(ostream &output) const override;
@@ -566,7 +566,7 @@ class SBVARStatement : public Statement
 private:
   const OptionsList options_list;
 public:
-  SBVARStatement(OptionsList options_list_arg);
+  explicit SBVARStatement(OptionsList options_list_arg);
   void checkPass(ModFileStructure &mod_file_struct, WarningConsolidation &warnings) override;
   void writeOutput(ostream &output, const string &basename, bool minimal_workspace) const override;
   void writeJsonOutput(ostream &output) const override;
@@ -577,7 +577,7 @@ class MSSBVAREstimationStatement : public Statement
 private:
   const OptionsList options_list;
 public:
-  MSSBVAREstimationStatement(OptionsList options_list_arg);
+  explicit MSSBVAREstimationStatement(OptionsList options_list_arg);
   void checkPass(ModFileStructure &mod_file_struct, WarningConsolidation &warnings) override;
   void writeOutput(ostream &output, const string &basename, bool minimal_workspace) const override;
   void writeJsonOutput(ostream &output) const override;
@@ -588,7 +588,7 @@ class MSSBVARSimulationStatement : public Statement
 private:
   const OptionsList options_list;
 public:
-  MSSBVARSimulationStatement(OptionsList options_list_arg);
+  explicit MSSBVARSimulationStatement(OptionsList options_list_arg);
   void checkPass(ModFileStructure &mod_file_struct, WarningConsolidation &warnings) override;
   void writeOutput(ostream &output, const string &basename, bool minimal_workspace) const override;
   void writeJsonOutput(ostream &output) const override;
@@ -599,7 +599,7 @@ class MSSBVARComputeMDDStatement : public Statement
 private:
   const OptionsList options_list;
 public:
-  MSSBVARComputeMDDStatement(OptionsList options_list_arg);
+  explicit MSSBVARComputeMDDStatement(OptionsList options_list_arg);
   void checkPass(ModFileStructure &mod_file_struct, WarningConsolidation &warnings) override;
   void writeOutput(ostream &output, const string &basename, bool minimal_workspace) const override;
   void writeJsonOutput(ostream &output) const override;
@@ -610,7 +610,7 @@ class MSSBVARComputeProbabilitiesStatement : public Statement
 private:
   const OptionsList options_list;
 public:
-  MSSBVARComputeProbabilitiesStatement(OptionsList options_list_arg);
+  explicit MSSBVARComputeProbabilitiesStatement(OptionsList options_list_arg);
   void checkPass(ModFileStructure &mod_file_struct, WarningConsolidation &warnings) override;
   void writeOutput(ostream &output, const string &basename, bool minimal_workspace) const override;
   void writeJsonOutput(ostream &output) const override;
@@ -634,7 +634,7 @@ class MSSBVARForecastStatement : public Statement
 private:
   const OptionsList options_list;
 public:
-  MSSBVARForecastStatement(OptionsList options_list_arg);
+  explicit MSSBVARForecastStatement(OptionsList options_list_arg);
   void checkPass(ModFileStructure &mod_file_struct, WarningConsolidation &warnings) override;
   void writeOutput(ostream &output, const string &basename, bool minimal_workspace) const override;
   void writeJsonOutput(ostream &output) const override;
@@ -645,7 +645,7 @@ class MSSBVARVarianceDecompositionStatement : public Statement
 private:
   const OptionsList options_list;
 public:
-  MSSBVARVarianceDecompositionStatement(OptionsList options_list_arg);
+  explicit MSSBVARVarianceDecompositionStatement(OptionsList options_list_arg);
   void checkPass(ModFileStructure &mod_file_struct, WarningConsolidation &warnings) override;
   void writeOutput(ostream &output, const string &basename, bool minimal_workspace) const override;
   void writeJsonOutput(ostream &output) const override;
@@ -656,7 +656,7 @@ class IdentificationStatement : public Statement
 private:
   OptionsList options_list;
 public:
-  IdentificationStatement(const OptionsList &options_list_arg);
+  explicit IdentificationStatement(const OptionsList &options_list_arg);
   void checkPass(ModFileStructure &mod_file_struct, WarningConsolidation &warnings) override;
   void writeOutput(ostream &output, const string &basename, bool minimal_workspace) const override;
   void writeJsonOutput(ostream &output) const override;
@@ -700,7 +700,7 @@ class WriteLatexSteadyStateModelStatement : public Statement
 private:
   const SteadyStateModel &steady_state_model;
 public:
-  WriteLatexSteadyStateModelStatement(const SteadyStateModel &steady_state_model_arg);
+  explicit WriteLatexSteadyStateModelStatement(const SteadyStateModel &steady_state_model_arg);
   void checkPass(ModFileStructure &mod_file_struct, WarningConsolidation &warnings) override;
   void writeOutput(ostream &output, const string &basename, bool minimal_workspace) const override;
   void writeJsonOutput(ostream &output) const override;
@@ -756,7 +756,7 @@ class ConditionalForecastStatement : public Statement
 private:
   const OptionsList options_list;
 public:
-  ConditionalForecastStatement(OptionsList options_list_arg);
+  explicit ConditionalForecastStatement(OptionsList options_list_arg);
   void writeOutput(ostream &output, const string &basename, bool minimal_workspace) const override;
   void writeJsonOutput(ostream &output) const override;
 };
@@ -791,7 +791,7 @@ class ExtendedPathStatement : public Statement
 private:
   const OptionsList options_list;
 public:
-  ExtendedPathStatement(OptionsList options_list_arg);
+  explicit ExtendedPathStatement(OptionsList options_list_arg);
   void checkPass(ModFileStructure &mod_file_struct, WarningConsolidation &warnings) override;
   void writeOutput(ostream &output, const string &basename, bool minimal_workspace) const override;
   void writeJsonOutput(ostream &output) const override;
@@ -835,7 +835,7 @@ private:
   const OptionsList options_list;
   map <pair<int, int >, double > restriction_map;
 public:
-  MarkovSwitchingStatement(OptionsList options_list_arg);
+  explicit MarkovSwitchingStatement(OptionsList options_list_arg);
   void checkPass(ModFileStructure &mod_file_struct, WarningConsolidation &warnings) override;
   void writeOutput(ostream &output, const string &basename, bool minimal_workspace) const override;
   void writeCOutput(ostream &output, const string &basename) override;
@@ -847,7 +847,7 @@ class SvarStatement : public Statement
 private:
   const OptionsList options_list;
 public:
-  SvarStatement(OptionsList options_list_arg);
+  explicit SvarStatement(OptionsList options_list_arg);
   void checkPass(ModFileStructure &mod_file_struct, WarningConsolidation &warnings) override;
   void writeOutput(ostream &output, const string &basename, bool minimal_workspace) const override;
   void writeJsonOutput(ostream &output) const override;
@@ -866,7 +866,7 @@ class SetTimeStatement : public Statement
 private:
   const OptionsList options_list;
 public:
-  SetTimeStatement(OptionsList options_list_arg);
+  explicit SetTimeStatement(OptionsList options_list_arg);
   void writeOutput(ostream &output, const string &basename, bool minimal_workspace) const override;
   void writeJsonOutput(ostream &output) const override;
 };
@@ -876,7 +876,7 @@ class EstimationDataStatement : public Statement
 private:
   const OptionsList options_list;
 public:
-  EstimationDataStatement(OptionsList options_list_arg);
+  explicit EstimationDataStatement(OptionsList options_list_arg);
   void checkPass(ModFileStructure &mod_file_struct, WarningConsolidation &warnings) override;
   void writeOutput(ostream &output, const string &basename, bool minimal_workspace) const override;
   void writeJsonOutput(ostream &output) const override;
@@ -1150,7 +1150,7 @@ class Smoother2histvalStatement : public Statement
 private:
   const OptionsList options_list;
 public:
-  Smoother2histvalStatement(OptionsList options_list_arg);
+  explicit Smoother2histvalStatement(OptionsList options_list_arg);
   void writeOutput(ostream &output, const string &basename, bool minimal_workspace) const override;
   void writeJsonOutput(ostream &output) const override;
 };

src/ConfigFile.hh

@@ -86,7 +86,7 @@ class Cluster
 {
   friend class ConfigFile;
 public:
-  Cluster(member_nodes_t member_nodes_arg);
+  explicit Cluster(member_nodes_t member_nodes_arg);
 
 protected:
   member_nodes_t member_nodes;

src/DataTree.hh

@@ -131,7 +131,7 @@ public:
   {
   public:
     string name;
-    LocalVariableException(string name_arg) : name(move(name_arg))
+    explicit LocalVariableException(string name_arg) : name(move(name_arg))
     {
     }
   };
@@ -279,7 +279,7 @@ public:
   {
   public:
     string name;
-    TrendException(string name_arg) : name(move(name_arg))
+    explicit TrendException(string name_arg) : name(move(name_arg))
     {
     }
   };
@@ -306,7 +306,7 @@ public:
   public:
     //! Symbol ID
     int id;
-    UnknownLocalVariableException(int id_arg) : id(id_arg)
+    explicit UnknownLocalVariableException(int id_arg) : id(id_arg)
     {
     }
   };

src/ExternalFunctionsTable.hh

@@ -37,7 +37,7 @@ public:
   public:
     //! Symbol ID
     int id;
-    UnknownExternalFunctionSymbolIDException(int id_arg) : id(id_arg)
+    explicit UnknownExternalFunctionSymbolIDException(int id_arg) : id(id_arg)
     {
     }
   };

src/ModFile.hh

@@ -44,7 +44,7 @@ using namespace std;
 class ModFile
 {
 public:
-  ModFile(WarningConsolidation &warnings_arg);
+  explicit ModFile(WarningConsolidation &warnings_arg);
   //! Symbol table
   SymbolTable symbol_table;
   //! External Functions table

src/NumericalInitialization.hh

@@ -129,7 +129,7 @@ class InitvalFileStatement : public Statement
 private:
   const string filename;
 public:
-  InitvalFileStatement(string filename_arg);
+  explicit InitvalFileStatement(string filename_arg);
   void writeOutput(ostream &output, const string &basename, bool minimal_workspace) const override;
   void writeJsonOutput(ostream &output) const override;
 };
@@ -139,7 +139,7 @@ class HistvalFileStatement : public Statement
 private:
   const string filename;
 public:
-  HistvalFileStatement(string filename_arg);
+  explicit HistvalFileStatement(string filename_arg);
   void writeOutput(ostream &output, const string &basename, bool minimal_workspace) const override;
   void writeJsonOutput(ostream &output) const override;
 };
@@ -165,7 +165,7 @@ class SaveParamsAndSteadyStateStatement : public Statement
 private:
   const string filename;
 public:
-  SaveParamsAndSteadyStateStatement(string filename_arg);
+  explicit SaveParamsAndSteadyStateStatement(string filename_arg);
   void writeOutput(ostream &output, const string &basename, bool minimal_workspace) const override;
   void writeJsonOutput(ostream &output) const override;
 };

src/SigmaeInitialization.hh

@@ -56,7 +56,7 @@ private:
   static MatrixForm determineMatrixForm(const matrix_t &matrix) noexcept(false);
 
 public:
-  SigmaeStatement(matrix_t matrix_arg) noexcept(false);
+  explicit SigmaeStatement(matrix_t matrix_arg) noexcept(false);
   void writeOutput(ostream &output, const string &basename, bool minimal_workspace) const override;
 };
 

src/Statement.hh

@@ -157,7 +157,7 @@ class NativeStatement : public Statement
 private:
   const string native_statement;
 public:
-  NativeStatement(string native_statement_arg);
+  explicit NativeStatement(string native_statement_arg);
   void writeOutput(ostream &output, const string &basename, bool minimal_workspace) const override;
   void writeJsonOutput(ostream &output) const override;
 };
@@ -167,7 +167,7 @@ class VerbatimStatement : public Statement
 private:
   const string verbatim_statement;
 public:
-  VerbatimStatement(string verbatim_statement_arg);
+  explicit VerbatimStatement(string verbatim_statement_arg);
   void writeOutput(ostream &output, const string &basename, bool minimal_workspace) const override;
   void writeJsonOutput(ostream &output) const override;
 };

src/SubModel.hh

@@ -48,7 +48,7 @@ private:
   map<string, map<tuple<int, int, int>, expr_t>> AR; // AR: name -> (eqn, lag, lhs_symb_id) -> expr_t
   map<string, map<tuple<int, int, int>, expr_t>> EC; // EC: name -> (eqn, lag, col) -> expr_t
 public:
-  TrendComponentModelTable(SymbolTable &symbol_table_arg);
+  explicit TrendComponentModelTable(SymbolTable &symbol_table_arg);
 
   //! Add a trend component model
   void addTrendComponentModel(string name_arg, vector<string> eqtags_arg,
@@ -124,7 +124,7 @@ private:
   map<string, vector<expr_t>> lhs_expr_t;
   map<string, map<tuple<int, int, int>, expr_t>> AR; // AR: name -> (eqn, lag, lhs_symb_id) -> param_expr_t
 public:
-  VarModelTable(SymbolTable &symbol_table_arg);
+  explicit VarModelTable(SymbolTable &symbol_table_arg);
 
   //! Add a VAR model
   void addVarModel(string name, vector<string> eqtags,

src/SymbolTable.hh

@@ -167,7 +167,7 @@ public:
   public:
     //! Symbol name
     string name;
-    UnknownSymbolNameException(string name_arg) : name(move(name_arg))
+    explicit UnknownSymbolNameException(string name_arg) : name(move(name_arg))
     {
     }
   };
@@ -177,7 +177,7 @@ public:
   public:
     //! Symbol ID
     int id;
-    UnknownSymbolIDException(int id_arg) : id(id_arg)