diff options
author | Eelco Dolstra <e.dolstra@tudelft.nl> | 2003-07-04T15·42+0000 |
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committer | Eelco Dolstra <e.dolstra@tudelft.nl> | 2003-07-04T15·42+0000 |
commit | f826e432aa442e569faaf3cb04d83bfa28bcf260 (patch) | |
tree | 94e09e1fc7399949d8a5fb94f7d0abd995665d9e /src | |
parent | 01b34fe5843df9888737699ee9f9fe2f161a1fa3 (diff) |
* Refactoring: move initialisation and argument parsing into a shared
file.
Diffstat (limited to 'src')
-rw-r--r-- | src/Makefile.am | 2 | ||||
-rw-r--r-- | src/eval.cc | 2 | ||||
-rw-r--r-- | src/nix.cc | 56 | ||||
-rw-r--r-- | src/shared.cc | 63 | ||||
-rw-r--r-- | src/shared.hh | 15 |
5 files changed, 86 insertions, 52 deletions
diff --git a/src/Makefile.am b/src/Makefile.am index 573e84eb8a46..a3cd46ca2723 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -3,7 +3,7 @@ check_PROGRAMS = test AM_CXXFLAGS = -DSYSTEM=\"@host@\" -Wall -I.. -nix_SOURCES = nix.cc +nix_SOURCES = nix.cc shared.cc nix_LDADD = libnix.a -ldb_cxx-4 -lATerm TESTS = test diff --git a/src/eval.cc b/src/eval.cc index be8b70a039be..4f4d419f5e3b 100644 --- a/src/eval.cc +++ b/src/eval.cc @@ -106,7 +106,7 @@ static void runProgram(const string & program, Environment env) } catch (exception & e) { cerr << format("build error: %1%\n") % e.what(); -� } + } _exit(1); } diff --git a/src/nix.cc b/src/nix.cc index 9c9936f4b44a..f2d00394f9d7 100644 --- a/src/nix.cc +++ b/src/nix.cc @@ -1,11 +1,10 @@ #include <iostream> -#include "config.h" - #include "globals.hh" #include "values.hh" #include "eval.hh" #include "archive.hh" +#include "shared.hh" typedef void (* Operation) (Strings opFlags, Strings opArgs); @@ -224,39 +223,14 @@ static void opInit(Strings opFlags, Strings opArgs) } -/* Initialize, process arguments, and dispatch to the right - operation. */ -static void run(int argc, char * * argv) +/* Scan the arguments; find the operation, set global flags, put all + other flags in a list, and put all other arguments in another + list. */ +void run(Strings args) { - /* Setup Nix paths. */ - nixStore = NIX_STORE_DIR; - nixLogDir = NIX_LOG_DIR; - nixDB = (string) NIX_STATE_DIR + "/nixstate.db"; - - /* Put the arguments in a vector. */ - Strings args; - while (argc--) args.push_back(*argv++); - args.erase(args.begin()); - - /* Expand compound dash options (i.e., `-qlf' -> `-q -l -f'). */ - for (Strings::iterator it = args.begin(); - it != args.end(); ) - { - string arg = *it; - if (arg.length() > 2 && arg[0] == '-' && arg[1] != '-') { - for (unsigned int i = 1; i < arg.length(); i++) - args.insert(it, (string) "-" + arg[i]); - it = args.erase(it); - } else it++; - } - Strings opFlags, opArgs; Operation op = 0; - /* Scan the arguments; find the operation, set global flags, put - all other flags in a list, and put all other arguments in - another list. */ - for (Strings::iterator it = args.begin(); it != args.end(); it++) { @@ -291,22 +265,4 @@ static void run(int argc, char * * argv) } -int main(int argc, char * * argv) -{ - /* ATerm setup. */ - ATerm bottomOfStack; - ATinit(argc, argv, &bottomOfStack); - - try { - run(argc, argv); - } catch (UsageError & e) { - cerr << "error: " << e.what() << endl - << "Try `nix --help' for more information.\n"; - return 1; - } catch (exception & e) { - cerr << "error: " << e.what() << endl; - return 1; - } - - return 0; -} +string programId = "nix"; diff --git a/src/shared.cc b/src/shared.cc new file mode 100644 index 000000000000..6d157766e4af --- /dev/null +++ b/src/shared.cc @@ -0,0 +1,63 @@ +#include <iostream> + +extern "C" { +#include <aterm2.h> +} + +#include "globals.hh" +#include "shared.hh" + +#include "config.h" + + +/* Initialize and reorder arguments, then call the actual argument + processor. */ +static void initAndRun(int argc, char * * argv) +{ + /* Setup Nix paths. */ + nixStore = NIX_STORE_DIR; + nixLogDir = NIX_LOG_DIR; + nixDB = (string) NIX_STATE_DIR + "/nixstate.db"; + + /* Put the arguments in a vector. */ + Strings args; + while (argc--) args.push_back(*argv++); + args.erase(args.begin()); + + /* Expand compound dash options (i.e., `-qlf' -> `-q -l -f'). */ + for (Strings::iterator it = args.begin(); + it != args.end(); ) + { + string arg = *it; + if (arg.length() > 2 && arg[0] == '-' && arg[1] != '-') { + for (unsigned int i = 1; i < arg.length(); i++) + args.insert(it, (string) "-" + arg[i]); + it = args.erase(it); + } else it++; + } + + run(args); +} + + +int main(int argc, char * * argv) +{ + /* ATerm setup. */ + ATerm bottomOfStack; + ATinit(argc, argv, &bottomOfStack); + + try { + initAndRun(argc, argv); + } catch (UsageError & e) { + cerr << format( + "error: %1%\n" + "Try `%2% --help' for more information.\n") + % e.what() % programId; + return 1; + } catch (exception & e) { + cerr << format("error: %1%\n") % e.what(); + return 1; + } + + return 0; +} diff --git a/src/shared.hh b/src/shared.hh new file mode 100644 index 000000000000..8ea637fd21ac --- /dev/null +++ b/src/shared.hh @@ -0,0 +1,15 @@ +#ifndef __SHARED_H +#define __SHARED_H + +#include <string> + +#include "util.hh" + + +void run(Strings args); + + +extern string programId; + + +#endif /* !__SHARED_H */ |