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editorFor: take a pos object instead

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zimbatm 2019-10-28 21:36:34 +01:00
parent ec448f8bb6
commit 3774fe55fd
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4 changed files with 12 additions and 16 deletions
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8
src/libutil/args.cc
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@ -178,16 +178,16 @@ Strings argvToStrings(int argc, char * * argv)
return args; return args;
} }
Strings editorFor(std::string filename, int lineno) Strings editorFor(Pos pos)
{ {
auto editor = getEnv("EDITOR", "cat"); auto editor = getEnv("EDITOR", "cat");
auto args = tokenizeString<Strings>(editor); auto args = tokenizeString<Strings>(editor);
if (lineno > 0 && ( if (pos.line > 0 && (
editor.find("emacs") != std::string::npos || editor.find("emacs") != std::string::npos ||
editor.find("nano") != std::string::npos || editor.find("nano") != std::string::npos ||
editor.find("vim") != std::string::npos)) editor.find("vim") != std::string::npos))
args.push_back(fmt("+%d", lineno)); args.push_back(fmt("+%d", pos.line));
args.push_back(filename); args.push_back(pos.file);
return args; return args;
} }

3
src/libutil/args.hh
View file

@ -5,6 +5,7 @@
#include <memory> #include <memory>
#include "util.hh" #include "util.hh"
#include "nixexpr.hh"
namespace nix { namespace nix {
@ -191,7 +192,7 @@ public:
Strings argvToStrings(int argc, char * * argv); Strings argvToStrings(int argc, char * * argv);
/* Helper function to generate args that invoke $EDITOR on filename:lineno */ /* Helper function to generate args that invoke $EDITOR on filename:lineno */
Strings editorFor(std::string filename, int lineno); Strings editorFor(Pos pos);
/* Helper function for rendering argument labels. */ /* Helper function for rendering argument labels. */
std::string renderLabels(const Strings & labels); std::string renderLabels(const Strings & labels);

4
src/nix/edit.cc
View file

@ -37,12 +37,10 @@ struct CmdEdit : InstallableCommand
auto v = installable->toValue(*state); auto v = installable->toValue(*state);
Pos pos = findDerivationFilename(*state, *v, installable->what()); Pos pos = findDerivationFilename(*state, *v, installable->what());
std::string filename(pos.file);
int lineno(pos.line);
stopProgressBar(); stopProgressBar();
auto args = editorFor(filename, lineno); auto args = editorFor(pos);
execvp(args.front().c_str(), stringsToCharPtrs(args).data()); execvp(args.front().c_str(), stringsToCharPtrs(args).data());

13
src/nix/repl.cc
View file

@ -472,22 +472,19 @@ bool NixRepl::processLine(string line)
Value v; Value v;
evalString(arg, v); evalString(arg, v);
std::string filename; Pos pos;
int lineno = 0;
if (v.type == tPath || v.type == tString) { if (v.type == tPath || v.type == tString) {
PathSet context; PathSet context;
filename = state.coerceToString(noPos, v, context); auto filename = state.coerceToString(noPos, v, context);
lineno = 0; pos.file = state.symbols.create(filename);
} else { } else {
// assume it's a derivation // assume it's a derivation
Pos pos = findDerivationFilename(state, v, arg); pos = findDerivationFilename(state, v, arg);
filename = pos.file;
lineno = pos.line;
} }
// Open in EDITOR // Open in EDITOR
auto args = editorFor(filename, lineno); auto args = editorFor(pos);
auto editor = args.front(); auto editor = args.front();
args.pop_front(); args.pop_front();
runProgram(editor, args); runProgram(editor, args);