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Root ContainerField highlighting support

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This commit is contained in:
Alexandros Naskos 2020-06-18 15:51:20 +03:00
parent fc769e7e83
commit d4e6ddd780
1 changed files with 33 additions and 19 deletions
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50
src/semantic_tokens.zig
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@ -177,6 +177,33 @@ fn colorIdentifierBasedOnType(builder: *Builder, type_node: analysis.TypeWithHan
}
}
fn writeContainerField(
builder: *Builder,
arena: *std.heap.ArenaAllocator,
store: *DocumentStore,
container_field: *ast.Node.ContainerField,
field_token_type: ?TokenType,
child_frame: var,
) !void {
if (container_field.doc_comments) |docs| try writeDocComments(builder, builder.handle.tree, docs);
try writeToken(builder, container_field.comptime_token, .keyword);
if (field_token_type) |tok_type| try writeToken(builder, container_field.name_token, tok_type);
try await @asyncCall(child_frame, {}, writeNodeTokens, builder, arena, store, container_field.align_expr);
try await @asyncCall(child_frame, {}, writeNodeTokens, builder, arena, store, container_field.type_expr);
if (container_field.value_expr) |value_expr| {
const eq_tok: ast.TokenIndex = if (container_field.type_expr) |type_expr|
type_expr.lastToken() + 1
else if (container_field.align_expr) |align_expr|
align_expr.lastToken() + 1
else
unreachable; // Check this, I believe it is correct.
try writeToken(builder, eq_tok, .operator);
try await @asyncCall(child_frame, {}, writeNodeTokens, builder, arena, store, value_expr);
}
}
// TODO This is very slow and does a lot of extra work, improve in the future.
fn writeNodeTokens(builder: *Builder, arena: *std.heap.ArenaAllocator, store: *DocumentStore, maybe_node: ?*ast.Node) error{OutOfMemory}!void {
if (maybe_node == null) return;
@ -198,8 +225,12 @@ fn writeNodeTokens(builder: *Builder, arena: *std.heap.ArenaAllocator, store: *D
var child_idx: usize = 0;
while (node.iterate(child_idx)) |child| : (child_idx += 1) {
try gap_highlighter.next(child);
if (child.cast(ast.Node.ContainerField)) |container_field| {
try writeContainerField(builder, arena, store, container_field, .field, child_frame);
} else {
try await @asyncCall(child_frame, {}, writeNodeTokens, builder, arena, store, child);
}
}
try gap_highlighter.end(node.lastToken());
},
.VarDecl => {
@ -251,25 +282,8 @@ fn writeNodeTokens(builder: *Builder, arena: *std.heap.ArenaAllocator, store: *D
const field_token_type = fieldTokenType(container_decl, handle);
for (container_decl.fieldsAndDeclsConst()) |child| {
try gap_highlighter.next(child);
if (child.cast(ast.Node.ContainerField)) |container_field| {
if (container_field.doc_comments) |docs| try writeDocComments(builder, handle.tree, docs);
try writeToken(builder, container_field.comptime_token, .keyword);
if (field_token_type) |tok_type| try writeToken(builder, container_field.name_token, tok_type);
try await @asyncCall(child_frame, {}, writeNodeTokens, builder, arena, store, container_field.align_expr);
try await @asyncCall(child_frame, {}, writeNodeTokens, builder, arena, store, container_field.type_expr);
if (container_field.value_expr) |value_expr| {
const eq_tok: ast.TokenIndex = if (container_field.type_expr) |type_expr|
type_expr.lastToken() + 1
else if (container_field.align_expr) |align_expr|
align_expr.lastToken() + 1
else
unreachable; // Check this, I believe it is correct.
try writeToken(builder, eq_tok, .operator);
try await @asyncCall(child_frame, {}, writeNodeTokens, builder, arena, store, value_expr);
}
try writeContainerField(builder, arena, store, container_field, field_token_type, child_frame);
} else {
try await @asyncCall(child_frame, {}, writeNodeTokens, builder, arena, store, child);
}