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Better import handling

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This commit is contained in:
Alexandros Naskos 2021-03-30 15:41:59 +03:00
parent afc6d1fd1f
commit f382a1b22d
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GPG Key ID: 02BF2E72B0EA32D2
4 changed files with 47 additions and 31 deletions
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3
src/analysis.zig
View File

@ -1202,9 +1202,8 @@ pub fn collectImports(import_arr: *std.ArrayList([]const u8), tree: ast.Tree) !v
if (tags[i + 3] != .r_paren)
continue;
const str = tree.tokenSlice(@intCast(u32, i + 2));
try import_arr.append(str[1..str.len-1]);
try import_arr.append(str[1 .. str.len - 1]);
}
}
}

62
src/document_store.zig
View File

@ -21,7 +21,10 @@ const BuildFile = struct {
pub const Handle = struct {
document: types.TextDocument,
count: usize,
import_uris: std.ArrayList([]const u8),
/// Contains one entry for every import in the document
import_uris: []const []const u8,
/// Items in thsi array list come from `import_uris`
imports_used: std.ArrayListUnmanaged([]const u8),
tree: std.zig.ast.Tree,
document_scope: analysis.DocumentScope,
@ -151,7 +154,8 @@ fn newDocument(self: *DocumentStore, uri: []const u8, text: []u8) anyerror!*Hand
handle.* = Handle{
.count = 1,
.import_uris = std.ArrayList([]const u8).init(self.allocator),
.import_uris = &.{},
.imports_used = .{},
.document = .{
.uri = uri,
.text = text,
@ -329,13 +333,17 @@ fn decrementCount(self: *DocumentStore, uri: []const u8) void {
entry.value.tree.deinit(self.allocator);
self.allocator.free(entry.value.document.mem);
for (entry.value.import_uris.items) |import_uri| {
for (entry.value.imports_used.items) |import_uri| {
self.decrementCount(import_uri);
}
for (entry.value.import_uris) |import_uri| {
self.allocator.free(import_uri);
}
entry.value.document_scope.deinit(self.allocator);
entry.value.import_uris.deinit();
entry.value.imports_used.deinit(self.allocator);
self.allocator.free(entry.value.import_uris);
self.allocator.destroy(entry.value);
const uri_key = entry.key;
self.handles.removeAssertDiscard(uri);
@ -351,7 +359,6 @@ pub fn getHandle(self: *DocumentStore, uri: []const u8) ?*Handle {
return self.handles.get(uri);
}
// Check if the document text is now sane, move it to sane_text if so.
fn refreshDocument(self: *DocumentStore, handle: *Handle, zig_lib_path: ?[]const u8) !void {
log.debug("New text for document {s}", .{handle.uri()});
handle.tree.deinit(self.allocator);
@ -377,11 +384,17 @@ fn refreshDocument(self: *DocumentStore, handle: *Handle, zig_lib_path: ?[]const
}
const old_imports = handle.import_uris;
handle.import_uris = new_imports;
defer old_imports.deinit();
handle.import_uris = new_imports.toOwnedSlice();
defer {
for (old_imports) |uri| {
self.allocator.free(uri);
}
self.allocator.free(old_imports);
}
// Remove all old_imports that do not exist anymore
for (old_imports.items) |old| {
i = 0;
while (i < handle.imports_used.items.len) {
const old = handle.imports_used.items[i];
still_exists: {
for (new_imports.items) |new| {
if (std.mem.eql(u8, new, old)) {
@ -390,8 +403,10 @@ fn refreshDocument(self: *DocumentStore, handle: *Handle, zig_lib_path: ?[]const
}
log.debug("Import removed: {s}", .{old});
self.decrementCount(old);
_ = handle.imports_used.swapRemove(i);
continue;
}
self.allocator.free(old);
i += 1;
}
}
@ -505,7 +520,9 @@ pub fn uriFromImportStr(
} else {
const base = handle.uri();
var base_len = base.len;
while (base[base_len - 1] != '/' and base_len > 0) { base_len -= 1; }
while (base[base_len - 1] != '/' and base_len > 0) {
base_len -= 1;
}
base_len -= 1;
if (base_len <= 0) {
return error.UriBadScheme;
@ -515,21 +532,19 @@ 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);
// Check if we already imported this.
for (handle.import_uris.items) |uri| {
// If we did, set our new handle and return the parsed tree root node.
for (handle.imports_used.items) |uri| {
if (std.mem.eql(u8, uri, final_uri)) {
return self.getHandle(final_uri);
return self.getHandle(final_uri).?;
}
}
@ -538,7 +553,7 @@ pub fn resolveImport(self: *DocumentStore, handle: *Handle, import_str: []const
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.import_uris.append(final_uri);
try handle.imports_used.append(self.allocator, final_uri);
consumed_final_uri = true;
new_handle.count += 1;
@ -567,7 +582,7 @@ pub fn resolveImport(self: *DocumentStore, handle: *Handle, import_str: []const
};
// Add to import table of current handle.
try handle.import_uris.append(final_uri);
try handle.imports_used.append(self.allocator, final_uri);
consumed_final_uri = true;
// Swap handles.
@ -601,12 +616,11 @@ pub fn deinit(self: *DocumentStore) void {
entry.value.document_scope.deinit(self.allocator);
entry.value.tree.deinit(self.allocator);
self.allocator.free(entry.value.document.mem);
for (entry.value.import_uris.items) |uri| {
for (entry.value.import_uris) |uri| {
self.allocator.free(uri);
}
entry.value.import_uris.deinit();
self.allocator.free(entry.value.import_uris);
entry.value.imports_used.deinit(self.allocator);
self.allocator.free(entry.key);
self.allocator.destroy(entry.value);
}
@ -637,7 +651,7 @@ fn tagStoreCompletionItems(
) ![]types.CompletionItem {
// TODO Better solution for deciding what tags to include
var max_len: usize = @field(base.document_scope, name).count();
for (base.import_uris.items) |uri| {
for (base.imports_used.items) |uri| {
max_len += @field(self.handles.get(uri).?.document_scope, name).count();
}
@ -646,7 +660,7 @@ fn tagStoreCompletionItems(
result_set.entries.appendSliceAssumeCapacity(@field(base.document_scope, name).entries.items);
try result_set.reIndex(&arena.allocator);
for (base.import_uris.items) |uri| {
for (base.imports_used.items) |uri| {
const curr_set = &@field(self.handles.get(uri).?.document_scope, name);
for (curr_set.entries.items) |entry| {
result_set.putAssumeCapacity(entry.key, {});

5
src/main.zig
View File

@ -1672,7 +1672,10 @@ fn processJsonRpc(arena: *std.heap.ArenaAllocator, parser: *std.json.Parser, jso
logger.debug("Method without return value not implemented: {s}", .{method});
}
const stack_frames = switch (std.builtin.mode) { .Debug => 10, else => 0 };
const stack_frames = switch (std.builtin.mode) {
.Debug => 10,
else => 0,
};
var gpa_state = std.heap.GeneralPurposeAllocator(.{ .stack_trace_frames = stack_frames }){};
pub fn main() anyerror!void {

2
src/references.zig
View File

@ -553,7 +553,7 @@ pub fn symbolReferences(
var i: usize = 0;
blk: while (i < imports.items.len) : (i += 1) {
const import = imports.items[i];
for (import.import_uris.items) |uri| {
for (import.imports_used.items) |uri| {
const h = store.getHandle(uri) orelse break;
if (h == curr_handle) {