Macro Class Reference

Inheritance diagram for Macro:

List of all members.

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Detailed Description

class Macro implements a macro command defined by the define command.

Public Member Functions
	Macro (G4String _name, G4String _body)
G4String	commandName ()
int	command (BLArgumentVector &argv, BLArgumentMap &namedArgs)
void	defineNamedArgs ()
Private Attributes
G4String	name
G4String	body
Static Private Attributes
static int	nExpansions = 0

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Constructor & Destructor Documentation

Macro::Macro	(	G4String	_name,
		G4String	_body
	)			[inline]

References BLCMDTYPE_OTHER, BLCommand::deleteCommand(), name, BLCommand::registerCommand(), and BLCommand::setSynopsis().

                                              : name(_name), body(_body) 
                { deleteCommand(name);
                  registerCommand(BLCMDTYPE_OTHER);
                  setSynopsis("Defined macro.");
                }

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Member Function Documentation

G4String Macro::commandName

(

)

[inline, virtual]

Implements BLCommand.

References name.

Referenced by command().

{ return name; }

int Macro::command	(	BLArgumentVector &	argv,
		BLArgumentMap &	namedArgs
	)			[virtual]

Implements BLCommand.

References body, commandName(), BLCommand::doCommand(), BLParam::expand(), IndentArg(), name, nExpansions, Param, and BLCommand::printError().

{
        ++nExpansions;

        if(namedArgs.size() > 0) {
                printError("macro: named arguments are ignored");
        }

        // print the macro command, with args
        G4String line(commandName());
        do { line += " "; } while(line.size() < IndentArg.size());
        for(unsigned i=0; i<argv.size(); ++i)
                {line += argv[i]; line += " ";}
        printf("%s\n",line.c_str());

        // ensure argv has 10 entries. Changes argv in caller, but nobody cares.
        while(argv.size() < 10)
                argv.push_back("");

        // replace: $0 with name, $1 - $9 with argv[0-8], $# with nExpansions
        G4String tmp = Param.expand(body);
        int place=0;
        for(;;) {
                G4String::size_type i = tmp.find('$',place);
                if(i == tmp.npos) break;
                if(tmp.c_str()[i+1] == '#') {
                        char tmp2[16];
                        sprintf(tmp2,"%d",nExpansions);
                        tmp.replace(i,2,tmp2);
                } else if(isdigit(tmp.c_str()[i+1])) {
                        int j = tmp.c_str()[i+1] - '0';
                        if(j == 0)
                                tmp.replace(i,2,name);
                        else
                                tmp.replace(i,2,argv[j-1]);
                } else {
                        place = i+1;
                }
        }

        // execute the macro body (now in tmp)
        G4String::size_type i = 0;
        while(i < tmp.size()) {
                G4String::size_type j = tmp.find('\n',i);
                if(j == tmp.npos) break;
                G4String tmp3(tmp.substr(i,j-i));
                BLCommand::doCommand(tmp3);
                i = j + 1;
        }

        return 0;
}

void Macro::defineNamedArgs

(

)

[inline, virtual]

Reimplemented from BLCommand.

{ }

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Member Data Documentation

G4String Macro::name [private]

Referenced by command(), commandName(), and Macro().

G4String Macro::body [private]

Referenced by command().

int Macro::nExpansions = 0 [static, private]

Referenced by command().

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The documentation for this class was generated from the following file:

• BLCMDdefine.cc