+/* ginaccint.bin.cpp: Binary depends on CINTSYSDIR, better don't call it
+ * directly. Use the launcher (compiled from ginaccint.cpp) instead. */
+
#include "G__ci.h" /* G__atpause is defined in G__ci.h */
+
+#if (!defined(G__CINTVERSION)) || (G__CINTVERSION < 501439)
+#error You need at least cint 5.14.39 to compile GiNaC-cint. Download it via http from root.cern.ch/root/Cint.html or via ftp from ftpthep.physik.uni-mainz.de/pub/cint
+#endif // (!defined(G__CINTVERSION)) || (G__CINTVERSION < 501438)
+
#include <iostream>
#include <fstream>
#include <string>
#include <strstream>
template<class T>
-string ToString(const T & t)
+std::string ToString(const T & t)
{
char buf[256];
ostrstream(buf,sizeof(buf)) << t << ends;
return buf;
}
-basic * ex::last_created_or_assigned_bp=0;
-basic * ex::dummy_bp=0;
-long ex::last_created_or_assigned_exp=0;
+basic * ex::last_created_or_assigned_bp = 0;
+basic * ex::dummy_bp = 0;
+long ex::last_created_or_assigned_exp = 0;
#endif // def OBSCURE_CINT_HACK
-G__value exec_tempfile(string const & command);
-char * process_permanentfile(string const & command);
-void process_tempfile(string const & command);
+G__value exec_tempfile(std::string const & command);
+char * process_permanentfile(std::string const & command);
+void process_tempfile(std::string const & command);
void greeting(void);
void helpmessage(void);
-string preprocess(char const * const line, bool & comment, bool & single_quote,
- bool & double_quote, unsigned & open_braces);
+std::string preprocess(char const * const line, bool & comment, bool & single_quote,
+ bool & double_quote, unsigned & open_braces);
void cleanup(void);
void sigterm_handler(int n);
void initialize(void);
void initialize_cint(void);
void restart(void);
-bool readlines(istream * is, string & allcommands);
-bool readfile(string const & filename, string & allcommands);
-void savefile(string const & filename, string const & allcommands);
+bool is_command(std::string const & command, std::string & preprocessed,
+ std::string const & comparevalue, bool substr=false);
+bool readlines(istream * is, std::string & allcommands);
+bool readfile(std::string const & filename, std::string & allcommands, bool shutup=false);
+void savefile(std::string const & filename, std::string const & allcommands);
typedef list<char *> cplist;
cplist filenames;
-bool redirect_output=false;
+bool redirect_output = false;
+bool silent = false;
-G__value exec_tempfile(string const & command)
+G__value exec_tempfile(std::string const & command)
{
G__value retval;
char *tmpfilename = tempnam(NULL,"ginac");
- ofstream fout;
+ std::ofstream fout;
fout.open(tmpfilename);
- fout << "{" << endl << command << endl << "}" << endl;
+ fout << "{" << std::endl << command << std::endl << "}" << std::endl;
fout.close();
G__store_undo_position();
retval = G__exec_tempfile(tmpfilename);
return retval;
}
-char * process_permanentfile(string const & command)
+char * process_permanentfile(std::string const & command)
{
char *tmpfilename = tempnam(NULL,"ginac");
- cout << "creating file " << tmpfilename << endl;
- ofstream fout;
+ if (!silent)
+ std::cout << "creating file " << tmpfilename << std::endl;
+ std::ofstream fout;
fout.open(tmpfilename);
- fout << command << endl;
+ fout << command << std::endl;
fout.close();
G__store_undo_position();
G__loadfile(tmpfilename);
return tmpfilename;
}
-void process_tempfile(string const & command)
+void process_tempfile(std::string const & command)
{
#ifdef OBSCURE_CINT_HACK
static G__value ref_symbol = exec_tempfile("symbol ginac_cint_internal_symbol; ginac_cint_internal_symbol;");
static G__value ref_power = exec_tempfile("power(ex(ginac_cint_internal_symbol),ex(ginac_cint_internal_symbol));");
static G__value ref_numeric = exec_tempfile("numeric ginac_cint_internal_numeric; ginac_cint_internal_numeric;");
static G__value ref_ex = exec_tempfile("ex ginac_cint_internal_ex; ginac_cint_internal_ex;");
- static bool basic_type_warning_already_displayed=false;
+ static bool basic_type_warning_already_displayed = false;
#endif // def OBSCURE_CINT_HACK
G__value retval = exec_tempfile(command);
static unsigned out_count = 0;
if (TYPES_EQUAL(retval,ref_ex)) {
- string varname = "Out"+ToString(++out_count);
+ std::string varname = "Out"+ToString(++out_count);
if (retval.obj.i!=ex::last_created_or_assigned_exp) {
// an ex was returned, but this is not the ex which was created last
// => this is not a temporary ex, but one that resides safely in memory
- // cout << "warning: using ex from retval (experimental)" << endl;
- ex::dummy_bp=((ex *)(void *)(retval.obj.i))->bp;
+ // std::cout << "warning: using ex from retval (experimental)" << std::endl;
+ ex::dummy_bp = ((ex *)(void *)(retval.obj.i))->bp;
exec_tempfile("ex "+varname+"(*ex::dummy_bp);");
} else if (ex::last_created_or_assigned_bp_can_be_converted_to_ex()) {
- //string varfill;
- //for (int i=4-int(log10(out_count)); i>0; --i)
- // varfill += ' ';
exec_tempfile("ex "+varname+"(*ex::last_created_or_assigned_bp);");
} else {
- cout << "warning: last_created_or_assigned_bp modified 0 or not evaluated or not dynallocated" << endl;
+ std::cout << "warning: last_created_or_assigned_bp modified 0 or not evaluated or not dynallocated" << std::endl;
}
- exec_tempfile(string()+"LLLAST=LLAST;\n"
+ exec_tempfile(std::string()+"LLLAST=LLAST;\n"
+"LLAST=LAST;\n"
+"LAST="+varname+";\n"
+"if (ginac_cint_internal_redirect_output&&"
+" ginac_cint_internal_fout.good()) {"
+" ginac_cint_internal_fout << \""+varname+" = \" << "+varname+" << endl << endl;"
+"} else {"
- +" cout << \""+varname+" = \" << "+varname+" << endl << endl;"
+ +" std::cout << \""+varname+" = \" << "+varname+" << endl << endl;"
+"}");
} else if (TYPES_EQUAL(retval,ref_symbol)||
TYPES_EQUAL(retval,ref_constant)||
TYPES_EQUAL(retval,ref_power)||
TYPES_EQUAL(retval,ref_numeric)) {
if (!basic_type_warning_already_displayed) {
- cout << endl
- <<"WARNING: The return value of the last expression you entered was a symbol," << endl
- << "constant, function, power or numeric, which cannot be safely displayed." << endl
- << "To force the output, cast it explicitly to type 'ex' or use 'cout'," << endl
- << "for example (assume 'x' is a symbol):" << endl
- << PROMPT1 "ex(x);" << endl
- << "OutX = x" << endl << endl
- << PROMPT1 "cout << x << endl;" << endl
- << "x" << endl << endl
- << "This warning will not be shown again." << endl;
- basic_type_warning_already_displayed=true;
+ std::cout << std::endl
+ <<"WARNING: The return value of the last expression you entered was a symbol," << std::endl
+ << "constant, function, power or numeric, which cannot be safely displayed." << std::endl
+ << "To force the output, cast it explicitly to type 'ex' or use 'cout'," << std::endl
+ << "for example (assume 'x' is a symbol):" << std::endl
+ << PROMPT1 "ex(x);" << std::endl
+ << "OutX = x" << std::endl << std::endl
+ << PROMPT1 "cout << x << endl;" << std::endl
+ << "x" << std::endl << std::endl
+ << "This warning will not be shown again." << std::endl;
+ basic_type_warning_already_displayed = true;
}
}
#endif // def OBSCURE_CINT_HACK
+ return;
}
void greeting(void)
{
- cout << "Welcome to GiNaC-cint (" << PACKAGE << " V" << VERSION << ")" << endl;
- cout << "This software is provided \"as is\" without any warranty. Copyright of Cint is" << endl
- << "owned by Agilent Technologies Japan and Masaharu Goto. Registration is" << endl
- << " __, _______ requested, at this moment, for commercial use. Send e-mail to" << endl
- << " (__) * | <MXJ02154@niftyserve.or.jp>. The registration is free." << endl
- << " ._) i N a C | The GiNaC framework is Copyright by Johannes Gutenberg Univ.," << endl
- << "<-------------' Germany and licensed under the terms and conditions of the GPL." << endl
- << "Type .help for help." << endl
- << endl;
+ std::cout << "Welcome to GiNaC-cint (" << PACKAGE << " V" << VERSION
+ << ", Cint V" << G__CINTVERSION << ")\n";
+ std::cout << " __, _______ GiNaC: (C) 1999-2000 Johannes Gutenberg University Mainz,\n"
+ << " (__) * | Germany. Cint C/C++ interpreter: (C) 1995-2000 Masaharu\n"
+ << " ._) i N a C | Goto and Agilent Technologies, Japan. This is free software\n"
+ << "<-------------' with ABSOLUTELY NO WARRANTY. For details, type `.warranty'\n"
+ << "Type `.help' for help.\n\n";
+ return;
}
void helpmessage(void)
{
- cout << "GiNaC-cint recognizes some special commands which start with a dot:" << endl << endl
- << " .cint switch to cint interactive mode (see cint" << endl
- << " documentation for further details)" << endl
- << " .function define the body of a function (necessary due to a" << endl
- << " cint limitation)" << endl
- << " .help the text you are currently reading" << endl
- << " .q, .quit, .exit, .bye quit GiNaC-cint" << endl
- << " .read filename read a file from disk and execute it in GiNaC-cint" << endl
- << " (recursive call is possible)" << endl
- << " .redirect [filename] redirect 'OutXY = ...' output to a file" << endl
- << " (.redirect alone redirects output back to console)" << endl
- << " .restart restart GiNaC-cint (does not re-read command line" << endl
- << " files)" << endl
- << " .save filename save the commands you have entered so far in a file" << endl
- << " .silent suppress 'OutXY = ...' output (variables are still" << endl
- << " accessible)" << endl
- << " .> [filename] same as .redirect [filename]" << endl << endl
-<< "Additionally you can exit GiNaC-cint with quit; exit; or bye;" << endl
- << endl;
+ std::cout << "GiNaC-cint recognizes some special commands which start with a dot:\n\n"
+ << " .cint switch to cint interactive mode (see cint\n"
+ << " documentation for further details)\n"
+ << " .function define the body of a function (necessary due to a\n"
+ << " cint limitation)\n"
+ << " .help the text you are currently reading\n"
+ << " .q, .quit, .exit, .bye quit GiNaC-cint\n"
+ << " .read filename read a file from disk and execute it in GiNaC-cint\n"
+ << " (recursive call is possible)\n"
+ << " .redirect [filename] redirect 'OutXY = ...' output to a file\n"
+ << " (.redirect alone redirects output back to console)\n"
+ << " .restart restart GiNaC-cint (does not re-read command line\n"
+ << " files)\n"
+ << " .save filename save the commands you have entered so far in a file\n"
+ << " .silent suppress 'OutXY = ...' output (variables are still\n"
+ << " accessible)\n"
+ << " .warranty information on redistribution and warranty\n"
+ << " .> [filename] same as .redirect [filename]\n\n"
+ << "Instead of '.cmd' you can also write '//GiNaC-cint.cmd' to be compatible with\n"
+ << "programs that will be compiled later.\n"
+ << "Additionally you can exit GiNaC-cint with quit; exit; or bye;\n\n";
+ return;
}
-string preprocess(char const * const line, bool & comment, bool & single_quote,
- bool & double_quote, unsigned & open_braces)
+void warrantymessage(void)
{
- // "preprocess" the line entered to be able to decide if the command shall be
- // executed directly or more input is needed or this is a special command
-
- // ALL whitespace will be removed
- // all comments (/* */ and //) will be removed
- // open and close braces ( { and } ) outside strings will be counted
-
- /*
- cout << "line=" << line << endl;
- cout << "comment=" << comment << ", single_quote=" << single_quote
- << ",double_quote=" << double_quote << ", open_braces=" << open_braces
- << endl;
- */
-
- string preprocessed;
- int pos=0;
- bool end=false;
- bool escape=false;
- bool slash=false;
- bool asterisk=false;
+ std::cout << "GiNaC is free software; you can redistribute it and/or modify it under the\n"
+ << "the terms of the GNU General Public License as published by the Free Software\n"
+ << "Foundation; either version 2 of the License, or (at your option) any later\n"
+ << "version.\n"
+ << "This program is distributed in the hope that it will be useful, but WITHOUT\n"
+ << "ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS\n"
+ << "FOR A PARTICULAR PURPOSE. See the GNU General Public License for more\n"
+ << "details.\n"
+ << "You should have received a copy of the GNU General Public License along with\n"
+ << "this program. If not, write to the Free Software Foundation, 675 Mass Ave,\n"
+ << "Cambridge, MA 02139, USA.\n\n";
+ std::cout << "Cint and associated tools are copyright by Agilent Technologies Japan Company\n"
+ << "and Masaharu Goto <MXJ02154@niftyserve.or.jp>.\n"
+ << "Source code, binary executable or library of Cint and associated tools can be\n"
+ << "used, modified and distributed with no royalty for any purpose provided that\n"
+ << "the copyright notice appear in all copies and that both that copyright notice\n"
+ << "and this permission notice appear in supporting documentation.\n"
+ << "Agilent Technologies Japan and the author make no representations about the\n"
+ << "suitability of this software for any purpose. It is provided \"AS IS\"\n"
+ << "without express or implied warranty.\n";
+ return;
+}
+
+/** "preprocess" the line entered to be able to decide if the command shall be
+ * executed directly or more input is needed or this is a special command.
+ * All whitespace will be removed. All comments will be removed. Open and
+ * close braces ( { and } ) outside strings will be counted. */
+std::string preprocess(char const * const line, bool & comment, bool & single_quote,
+ bool & double_quote, unsigned & open_braces)
+{
+ std::string preprocessed;
+ int pos = 0;
+ bool end = false;
+ bool escape = false;
+ bool slash = false;
+ bool asterisk = false;
while ((line[pos]!='\0')&&!end) {
if (escape) {
// last character was a \, ignore this one
- escape=false;
+ escape = false;
} else if (slash) {
// last character was a /, test if * or /
- slash=false;
+ slash = false;
if (line[pos]=='/') {
- end=true;
+ end = true;
} else if (line[pos]=='*') {
- comment=true;
+ comment = true;
} else {
preprocessed += '/';
preprocessed += line[pos];
}
} else if (asterisk) {
// last character was a *, test if /
- asterisk=false;
+ asterisk = false;
if (line[pos]=='/') {
- comment=false;
+ comment = false;
} else if (line[pos]=='*') {
preprocessed += '*';
- asterisk=true;
+ asterisk = true;
}
} else {
switch (line[pos]) {
break;
case '\\':
// escape character, ignore next
- escape=true;
+ escape = true;
break;
case '"':
if ((!single_quote)&&(!comment)) {
break;
case '{':
if ((!single_quote)&&(!double_quote)&&(!comment)) {
- open_braces++;
+ ++open_braces;
}
break;
case '}':
if ((!single_quote)&&(!double_quote)&&(!comment)&&(open_braces>0)) {
- open_braces--;
+ --open_braces;
}
break;
case '/':
- slash=true;
+ slash = true;
break;
case '*':
- asterisk=true;
+ asterisk = true;
break;
default:
preprocessed += line[pos];
}
}
- pos++;
+ ++pos;
}
-
- /*
- cout << "preprocessed=" << preprocessed << endl;
- cout << "comment=" << comment << ", single_quote=" << single_quote
- << ",double_quote=" << double_quote << ", open_braces=" << open_braces
- << endl;
- */
return preprocessed;
}
void cleanup(void)
{
for (cplist::iterator it=filenames.begin(); it!=filenames.end(); ++it) {
- cout << "removing file " << *it << endl;
+ if (!silent)
+ std::cout << "removing file " << *it << std::endl;
remove(*it);
free(*it);
}
void initialize(void)
{
- if (isatty(0))
- greeting();
-
atexit(cleanup);
signal(SIGTERM,sigterm_handler);
initialize_cint();
void initialize_cint(void)
{
G__init_cint("cint"); /* initialize cint */
-
- // no longer needed as of cint 5.14.31
- // exec_tempfile("#include <string>\n");
-
+
#ifndef NO_NAMESPACE_GINAC
exec_tempfile("using namespace GiNaC;");
#endif // ndef NO_NAMESPACE_GINAC
void restart(void)
{
- cout << "Restarting GiNaC-cint." << endl;
+ std::cout << "Restarting GiNaC-cint." << std::endl;
G__scratch_all();
initialize_cint();
}
-void redirect(string const & filename)
+void redirect(std::string const & filename,
+ bool shutup=false)
{
if (filename=="") {
- cout << "Redirecting output back to console..." << endl;
- exec_tempfile( string()
+ if (!shutup)
+ std::cout << "Redirecting output back to console..." << std::endl;
+ exec_tempfile( std::string()
+"ginac_cint_internal_redirect_output=false;\n"
+"ginac_cint_internal_fout.close();");
} else {
- cout << "Redirecting output to " << filename << "..." << endl;
- exec_tempfile( string()
+ if (!shutup)
+ std::cout << "Redirecting output to " << filename << "..." << std::endl;
+ exec_tempfile( std::string()
+"ginac_cint_internal_redirect_output=true;\n"
+"ginac_cint_internal_fout.open(\""+filename+"\");\n");
}
}
-bool readlines(istream * is, string & allcommands)
+/** Sort out command line options and evaluate them. Returns true if it
+ * succeeds and false otherwise. */
+bool evaloption(const std::string & option)
+{
+ if (option=="--version") {
+ std::cout << "GiNaC-cint (" << PACKAGE << " V" << VERSION
+ << ", Cint V" << G__CINTVERSION << ")\n";
+ exit(0);
+ }
+ if (option=="--help") {
+ std::cout << "GiNaC-cint (" << PACKAGE << " V" << VERSION
+ << ", Cint V" << G__CINTVERSION << ")\n";
+ std::cout << "usage: ginaccint [option] [file ...]\n";
+ std::cout << " --help print this help message and exit\n"
+ << " --silent invoke ginaccint in silent mode\n"
+ << " --version print GiNaC version and Cint version and exit\n";
+ exit(0);
+ }
+ if (option=="--silent") {
+ redirect("/dev/null",true);
+ silent = true;
+ return true;
+ }
+ return false;
+}
+
+bool is_command(std::string const & command,
+ std::string & preprocessed,
+ std::string const & comparevalue,
+ bool substr)
+{
+ bool single_quote = false;
+ bool double_quote = false;
+ bool comment = false;
+ unsigned open_braces = 0;
+ if ((preprocessed=="."+comparevalue)||
+ substr&&(preprocessed.substr(0,comparevalue.length()+1)==
+ "."+comparevalue)) {
+ return true;
+ }
+ if ((command=="//GiNaC-cint."+comparevalue+"\n")||
+ substr&&(command.substr(0,comparevalue.length()+13)==
+ "//GiNaC-cint."+comparevalue)) {
+ preprocessed = preprocess(command.substr(12).c_str(),comment,
+ single_quote,double_quote,open_braces);
+ return true;
+ }
+ return false;
+}
+
+bool readlines(istream * is,
+ std::string & allcommands)
{
char const * line;
char prompt[G__ONELINE];
- string linebuffer;
+ std::string linebuffer;
bool quit = false;
bool eof = false;
- bool next_command_is_function=false;
- bool single_quote=false;
- bool double_quote=false;
- bool comment=false;
- unsigned open_braces=0;
+ bool next_command_is_function = false;
+ bool single_quote = false;
+ bool double_quote = false;
+ bool comment = false;
+ unsigned open_braces = 0;
while ((!quit)&&(!eof)) {
strcpy(prompt,PROMPT1);
bool end_of_command = false;
- string command;
- string preprocessed;
+ std::string command;
+ std::string preprocessed;
while (!end_of_command) {
if (is==NULL) {
line = G__input(prompt);
} else {
getline(*is,linebuffer);
- line=linebuffer.c_str();
+ line = linebuffer.c_str();
}
command += line;
command += "\n";
preprocessed += preprocess(line,comment,single_quote,double_quote,open_braces);
if ((open_braces==0)&&(!single_quote)&&(!double_quote)&&(!comment)) {
- unsigned l=preprocessed.length();
+ unsigned l = preprocessed.length();
if ((l==0)||
(preprocessed[0]=='#')||
(preprocessed[0]=='.')||
(preprocessed[l-1]==';')||
(preprocessed[l-1]=='}')) {
- end_of_command=true;
+ end_of_command = true;
}
}
strcpy(prompt,PROMPT2);
if ((preprocessed=="quit;")||
(preprocessed=="exit;")||
(preprocessed=="bye;")||
- (preprocessed==".q")||
- (preprocessed==".quit")||
- (preprocessed==".exit")||
- (preprocessed==".bye")) {
+ (is_command(command,preprocessed,"quit"))||
+ (is_command(command,preprocessed,"exit"))||
+ (is_command(command,preprocessed,"bye"))||
+ (is_command(command,preprocessed,"q"))) {
quit = true;
- } else if (preprocessed==".function") {
- cout << "next expression can be a function definition" << endl;
- next_command_is_function=true;
- } else if (preprocessed==".cint") {
- cout << endl << "switching to cint interactive mode" << endl;
- cout << "'h' for help, 'q' to quit, '{ statements }' or 'p [expression]' to evaluate" << endl;
+ } else if (is_command(command,preprocessed,"function")) {
+ if (!silent)
+ std::cout << "next expression can be a function definition" << std::endl;
+ next_command_is_function = true;
+ } else if (is_command(command,preprocessed,"cint")) {
+ std::cout << std::endl << "switching to cint interactive mode" << std::endl;
+ std::cout << "'h' for help, 'q' to quit, '{ statements }' or 'p [expression]' to evaluate" << std::endl;
G__pause();
- cout << "back from cint" << endl;
- } else if (preprocessed==".help") {
+ std::cout << "back from cint" << std::endl;
+ } else if (is_command(command,preprocessed,"help")) {
helpmessage();
- } else if (preprocessed.substr(0,5)==".read") {
- quit=readfile(preprocessed.substr(5),allcommands);
- } else if (preprocessed.substr(0,5)==".save") {
- command = "// "+command; // we do not want the .save command itself in saved files
+ } else if (is_command(command,preprocessed,"read",true)) {
+ quit = readfile(preprocessed.substr(5),allcommands);
+ } else if (is_command(command,preprocessed,"save",true)) {
+ command = "/* "+command+" */"; // we do not want the .save command itself in saved files
savefile(preprocessed.substr(5),allcommands);
- } else if (preprocessed==".restart") {
+ } else if (is_command(command,preprocessed,"restart")) {
restart();
- } else if (preprocessed.substr(0,9)==".redirect") {
+ } else if (is_command(command,preprocessed,"redirect",true)) {
redirect(preprocessed.substr(9));
- } else if (preprocessed.substr(0,2)==".>") {
+ } else if (is_command(command,preprocessed,">",true)) {
redirect(preprocessed.substr(2));
- } else if (preprocessed==".silent") {
- redirect("/dev/null");
+ } else if (is_command(command,preprocessed,"silent")) {
+ if (!silent) {
+ redirect("/dev/null");
+ silent = true;
+ } else {
+ redirect("");
+ silent = false;
+ }
+ } else if (is_command(command,preprocessed,"warranty")) {
+ warrantymessage();
/* test for more special commands
} else if (preprocessed==".xyz") {
- cout << "special command (TBD): " << command << endl;
+ std::cout << "special command (TBD): " << command << std::endl;
*/
+ } else if (command.substr(0,2)=="#!") {
+ // ignore lines which indicate that this file is executed as a script
} else {
- // cout << "now processing: " << command << endl;
+ // std::cout << "now processing: " << command << std::endl;
if (next_command_is_function) {
next_command_is_function = false;
filenames.push_back(process_permanentfile(command));
}
if (is!=NULL) {
// test for end of file if reading from a stream
- eof=is->eof();
+ eof = is->eof();
} else {
// save commands only when reading from keyboard
allcommands += command;
return quit;
}
-bool readfile(string const & filename, string & allcommands)
+bool readfile(std::string const & filename,
+ std::string & allcommands,
+ bool shutup = false)
{
- cout << "Reading commands from file " << filename << "." << endl;
- bool quit=false;
- ifstream fin;
+ if (!shutup)
+ std::cout << "Reading commands from file " << filename << "." << std::endl;
+ bool quit = false;
+ std::ifstream fin;
fin.open(filename.c_str());
- if (fin.good()) {
- quit=readlines(&fin,allcommands);
- } else {
- cout << "Cannot open " << filename << " for reading." << endl;
- }
+ if (fin.good())
+ quit = readlines(&fin,allcommands);
+ else
+ std::cout << "Cannot open " << filename << " for reading." << std::endl;
fin.close();
return quit;
}
-void savefile(string const & filename, string const & allcommands)
+void savefile(std::string const & filename, std::string const & allcommands)
{
- cout << "Saving commands to file " << filename << "." << endl;
- ofstream fout;
+ std::cout << "Saving commands to file " << filename << "." << std::endl;
+ std::ofstream fout;
fout.open(filename.c_str());
if (fout.good()) {
fout << allcommands;
if (!fout.good()) {
- cout << "Cannot save commands to " << filename << "." << endl;
+ std::cout << "Cannot save commands to " << filename << "." << std::endl;
}
} else {
- cout << "Cannot open " << filename << " for writing." << endl;
+ std::cout << "Cannot open " << filename << " for writing." << std::endl;
}
fout.close();
}
-int main(int argc, char ** argv)
+int main(int argc, char * *argv)
{
- string allcommands;
+ std::string allcommands;
initialize();
-
- bool quit=false;
- bool argsexist=argc>1;
-
- if (argsexist) {
- allcommands="/* Files given as command line arguments:\n";
- }
- argc--; argv++;
- while (argc && !quit) {
- allcommands += *argv;
- allcommands += "\n";
- quit=readfile(*argv,allcommands);
- argc--; argv++;
- }
-
+ bool quit = false;
+ // sort out and evaluate recognized options from the argument list
+ for (int i=1; i<argc; ++i)
+ if (evaloption(argv[i])) {
+ for (int j=i; j<argc-1; ++j)
+ argv[j] = argv[j+1];
+ --argc;
+ }
+ bool argsexist = argc>1;
+
+ // greet the user if it makes sense
+ if (isatty(0) && !silent)
+ greeting();
+
+ // evaluate files given as command line arguments
if (argsexist) {
+ allcommands = "/* Files given as command line arguments:\n";
+ --argc;
+ while (argc && !quit) {
+ allcommands += std::string(argv[argc])+'\n';
+ quit = readfile(argv[argc], allcommands, silent);
+ --argc;
+ }
allcommands += "*/\n";
}
-
- if (!quit) {
- readlines(NULL,allcommands);
- }
-
+
+ // evaluate input from command line or script
+ if (!quit)
+ readlines(NULL, allcommands);
+
return 0;
}
-
-
-
-
-
-
-
git://www.ginac.de / ginac.git / blobdiff