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Avoid GC allocation

This commit is contained in:
ryuukk 2022-10-19 18:32:33 +02:00 committed by GitHub
parent 0e27404baf
commit 73d8ff66dc
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 22 additions and 12 deletions
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34
dsymbol/src/dsymbol/modulecache.d
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@ -332,18 +332,21 @@ struct ModuleCache
/**
* Params:
* moduleName = the name of the module being imported, in "a/b/c" style
* cb = the callback used to be called whenever a module is found,
* the absolute path is passed as parameter
* Returns:
* The absolute path to the files that contains the module, or empty if
* not found.
* The number of resolved paths
*/
istring[] resolveImportLocations(string moduleName)
size_t resolveImportLocations(string moduleName, scope void delegate(istring) cb)
{
assert(moduleName !is null, "module name is null");
if (isRooted(moduleName))
return [istring(moduleName)];
istring[] ret;
{
cb(istring(moduleName));
return 1;
}
size_t count = 0;
string alternative;
foreach (importPath; importPaths[])
{
@ -354,7 +357,8 @@ struct ModuleCache
&& path.existsAnd!isFile)
{
// prefer exact import names above .di/package.d files
ret ~= istring(path);
cb(istring(path));
count++;
}
// no exact matches and no .di/package.d matches either
else if (!alternative.length)
@ -363,7 +367,10 @@ struct ModuleCache
string dotD = dotDi[0 .. $ - 1];
string withoutSuffix = dotDi[0 .. $ - 3];
if (existsAnd!isFile(dotD))
ret ~= istring(dotD); // return early for exactly matching .d files
{
cb(istring(dotD));
count++;
}
else if (existsAnd!isFile(dotDi))
alternative = dotDi;
else if (existsAnd!isDir(withoutSuffix))
@ -381,16 +388,19 @@ struct ModuleCache
{
string dotD = buildPath(path, moduleName) ~ ".d";
if (existsAnd!isFile(dotD))
ret ~= istring(dotD); // return early for exactly matching .d files
{
cb(istring(dotD));
count++;
}
}
}
if (alternative.length > 0)
{
ret ~= istring(alternative);
cb(istring(alternative));
count++;
alternative = "";
}
return ret;
return count;
}
auto getImportPaths() const