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command updates

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This commit is contained in:
Kelvin Sherlock 2016-02-11 15:51:56 -05:00
parent beb3e3813a
commit 034321830f
1 changed files with 23 additions and 2 deletions
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25
command.cpp
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@ -80,7 +80,7 @@ void launch_mpw(const Environment &env, const std::vector<std::string> &argv, co
// handle any indirection...
fds.dup();
execvp(cargv.front(), cargv.data());
execv(mpw_path().c_str(), cargv.data());
perror("execvp: ");
exit(EX_OSERR); // raise a signal?
}
@ -168,11 +168,11 @@ int simple_command::execute(Environment &env, const fdmask &fds, bool throwup) {
std::string s = expand_vars(text, env);
env.echo("%s", s.c_str());
process p;
try {
auto tokens = tokenize(s, false);
if (tokens.empty()) return 0;
parse_tokens(std::move(tokens), p);
} catch(std::exception &e) {
fprintf(stderr, "%s\n", e.what());
@ -180,6 +180,8 @@ int simple_command::execute(Environment &env, const fdmask &fds, bool throwup) {
}
if (p.arguments.empty()) return 0;
env.echo("%s", s.c_str());
fdmask newfds = p.fds | fds;
@ -188,6 +190,7 @@ int simple_command::execute(Environment &env, const fdmask &fds, bool throwup) {
auto iter = builtins.find(name);
if (iter != builtins.end()) {
env.set("command", name);
int status = iter->second(env, p.arguments, newfds);
return env.status(status, throwup);
}
@ -198,6 +201,15 @@ int simple_command::execute(Environment &env, const fdmask &fds, bool throwup) {
return env.status(0);
}
name = p.arguments.front();
fs::path path = which(env, name);
if (path.empty()) {
fprintf(stderr, "### MPW Shell - Command \"%s\" was not found.\n", name.c_str());
return env.status(-1, throwup);
}
env.set("command", path);
p.arguments[0] = path;
int status = execute_external(env, p.arguments, newfds);
return env.status(status, throwup);
@ -209,6 +221,8 @@ int evaluate_command::execute(Environment &env, const fdmask &fds, bool throwup)
std::string s = expand_vars(text, env);
env.set("command", "evaluate");
env.echo("%s", s.c_str());
try {
@ -313,12 +327,17 @@ int begin_command::execute(Environment &env, const fdmask &fds, bool throwup) {
std::string b = expand_vars(begin, env);
std::string e = expand_vars(end, env);
env.set("command", type == BEGIN ? "end" : ")");
// echo!
env.echo("%s ... %s",
b.c_str(),
e.c_str()
);
// tokenize the begin and end commands.
// begin may not have extra arguments. end may have redirection.
@ -400,6 +419,8 @@ int if_command::execute(Environment &env, const fdmask &fds, bool throwup) {
std::string e = expand_vars(end, env);
env.set("command", "end");
// parse end for indirection.
fdmask newfds;
int status = check_ends(e, newfds);