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Fixed memory leak caused by DocumentStore.resolveImports

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Alexandros Naskos 2021-03-30 21:18:46 +03:00
parent 2415e7ca6d
commit 40edfadc26
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GPG Key ID: 02BF2E72B0EA32D2
1 changed files with 10 additions and 9 deletions
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19
src/document_store.zig
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@ -532,15 +532,13 @@ pub fn uriFromImportStr(
}
pub fn resolveImport(self: *DocumentStore, handle: *Handle, import_str: []const u8) !?*Handle {
std.debug.print("RESOLVING IMPORT STR: {s}\n", .{import_str});
const allocator = self.allocator;
const final_uri = (try self.uriFromImportStr(
self.allocator,
handle.*,
import_str,
)) orelse return null;
var consumed_final_uri = false;
defer if (!consumed_final_uri) allocator.free(final_uri);
defer allocator.free(final_uri);
for (handle.imports_used.items) |uri| {
if (std.mem.eql(u8, uri, final_uri)) {
@ -548,14 +546,19 @@ pub fn resolveImport(self: *DocumentStore, handle: *Handle, import_str: []const
}
}
// The URI must be somewhere in the import_uris
const handle_uri = for (handle.import_uris) |uri| {
if (std.mem.eql(u8, uri, final_uri)) {
break uri;
}
} else return null;
// New import.
// Check if the import is already opened by others.
if (self.getHandle(final_uri)) |new_handle| {
// If it is, append it to our imports, increment the count, set our new handle
// and return the parsed tree root node.
try handle.imports_used.append(self.allocator, final_uri);
consumed_final_uri = true;
try handle.imports_used.append(self.allocator, handle_uri);
new_handle.count += 1;
return new_handle;
}
@ -582,9 +585,7 @@ pub fn resolveImport(self: *DocumentStore, handle: *Handle, import_str: []const
};
// Add to import table of current handle.
try handle.imports_used.append(self.allocator, final_uri);
consumed_final_uri = true;
try handle.imports_used.append(self.allocator, handle_uri);
// Swap handles.
// This takes ownership of the passed uri and text.
const duped_final_uri = try std.mem.dupe(allocator, u8, final_uri);