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refactor: use string accessors

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Create context, string_view, and c_str, accessors throughout in order to
better support improvements to the underlying string representation.
This commit is contained in:
Tom Bereknyei 2023-09-25 21:30:41 -04:00
parent 7e24dc606b
commit 399ef84420
13 changed files with 56 additions and 46 deletions
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10
src/libexpr/primops.cc
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@ -590,7 +590,7 @@ struct CompareValues
case nFloat:
return v1->fpoint < v2->fpoint;
case nString:
return strcmp(v1->string.s, v2->string.s) < 0;
return v1->string_view().compare(v2->string_view()) < 0;
case nPath:
return strcmp(v1->_path, v2->_path) < 0;
case nList:
@ -982,7 +982,7 @@ static void prim_trace(EvalState & state, const PosIdx pos, Value * * args, Valu
{
state.forceValue(*args[0], pos);
if (args[0]->type() == nString)
printError("trace: %1%", args[0]->string.s);
printError("trace: %1%", args[0]->string_view());
else
printError("trace: %1%", printValue(state, *args[0]));
state.forceValue(*args[1], pos);
@ -1528,7 +1528,7 @@ static void prim_pathExists(EvalState & state, const PosIdx pos, Value * * args,
auto path = realisePath(state, pos, arg, { .checkForPureEval = false });
/* SourcePath doesn't know about trailing slash. */
auto mustBeDir = arg.type() == nString && arg.str().ends_with("/");
auto mustBeDir = arg.type() == nString && arg.string_view().ends_with("/");
try {
auto checked = state.checkSourcePath(path);
@ -2400,7 +2400,7 @@ static void prim_attrNames(EvalState & state, const PosIdx pos, Value * * args,
(v.listElems()[n++] = state.allocValue())->mkString(state.symbols[i.name]);
std::sort(v.listElems(), v.listElems() + n,
[](Value * v1, Value * v2) { return strcmp(v1->string.s, v2->string.s) < 0; });
[](Value * v1, Value * v2) { return v1->string_view().compare(v2->string_view()) < 0; });
}
static RegisterPrimOp primop_attrNames({
@ -2541,7 +2541,7 @@ static void prim_removeAttrs(EvalState & state, const PosIdx pos, Value * * args
names.reserve(args[1]->listSize());
for (auto elem : args[1]->listItems()) {
state.forceStringNoCtx(*elem, pos, "while evaluating the values of the second argument passed to builtins.removeAttrs");
names.emplace_back(state.symbols.create(elem->string.s), nullptr);
names.emplace_back(state.symbols.create(elem->string_view()), nullptr);
}
std::sort(names.begin(), names.end());