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Merge pull request #7451 from edolstra/abstract-pos

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Introduce AbstractPos
This commit is contained in:
Eelco Dolstra 2022-12-20 12:55:13 +01:00 • committed by GitHub
commit 8332ac6a1d
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16 changed files with 229 additions and 281 deletions
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28
src/libcmd/repl.cc
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@ -215,17 +215,15 @@ static std::ostream & showDebugTrace(std::ostream & out, const PosTable & positi
out << dt.hint.str() << "\n";
// prefer direct pos, but if noPos then try the expr.
auto pos = *dt.pos
? *dt.pos
: positions[dt.expr.getPos() ? dt.expr.getPos() : noPos];
auto pos = dt.pos
? dt.pos
: static_cast<std::shared_ptr<AbstractPos>>(positions[dt.expr.getPos() ? dt.expr.getPos() : noPos]);
if (pos) {
printAtPos(pos, out);
auto loc = getCodeLines(pos);
if (loc.has_value()) {
out << pos;
if (auto loc = pos->getCodeLines()) {
out << "\n";
printCodeLines(out, "", pos, *loc);
printCodeLines(out, "", *pos, *loc);
out << "\n";
}
}
@ -589,15 +587,17 @@ bool NixRepl::processLine(std::string line)
Value v;
evalString(arg, v);
const auto [file, line] = [&] () -> std::pair<std::string, uint32_t> {
const auto [path, line] = [&] () -> std::pair<Path, uint32_t> {
if (v.type() == nPath || v.type() == nString) {
PathSet context;
auto filename = state->coerceToString(noPos, v, context).toOwned();
state->symbols.create(filename);
return {filename, 0};
auto path = state->coerceToPath(noPos, v, context);
return {path, 0};
} else if (v.isLambda()) {
auto pos = state->positions[v.lambda.fun->pos];
return {pos.file, pos.line};
if (auto path = std::get_if<Path>(&pos.origin))
return {*path, pos.line};
else
throw Error("'%s' cannot be shown in an editor", pos);
} else {
// assume it's a derivation
return findPackageFilename(*state, v, arg);
@ -605,7 +605,7 @@ bool NixRepl::processLine(std::string line)
}();
// Open in EDITOR
auto args = editorFor(file, line);
auto args = editorFor(path, line);
auto editor = args.front();
args.pop_front();