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Completely overhaul offsets.zig (#643)

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* completely overhaul offsets.zig
This commit is contained in:
Techatrix
2022-09-16 00:33:49 +00:00
committed by GitHub
parent 5aff17afb0
commit e28549fa7d
14 changed files with 734 additions and 571 deletions
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26
tests/utility/position_context.zig
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@@ -201,6 +201,18 @@ test "position context - label" {
}
test "position context - empty" {
try testContext(
\\<cursor>
,
.empty,
null,
);
try testContext(
\\<cursor>const foo = struct {};
,
.empty,
null,
);
try testContext(
\\try foo(arg, slice[<cursor>]);
,
@@ -245,18 +257,14 @@ fn testContext(comptime line: []const u8, comptime tag: std.meta.Tag(analysis.Po
const doc = try makeDocument("", line);
defer freeDocument(doc);
var arena = std.heap.ArenaAllocator.init(allocator);
defer arena.deinit();
const p = try offsets.documentPosition(doc, .{ .line = 0, .character = @intCast(i64, cursor_idx) }, .utf8);
const ctx = try analysis.documentPositionContext(&arena, doc, p);
const ctx = try analysis.getPositionContext(allocator, doc, cursor_idx);
if (std.meta.activeTag(ctx) != tag) {
std.debug.print("Expected tag `{s}`, got `{s}`\n", .{ @tagName(tag), @tagName(std.meta.activeTag(ctx)) });
return error.DifferentTag;
}
const actual_range = ctx.range() orelse if(maybe_range) |expected_range| {
const actual_loc = ctx.loc() orelse if(maybe_range) |expected_range| {
std.debug.print("Expected `{s}`, got null range\n", .{
expected_range,
});
@@ -265,7 +273,7 @@ fn testContext(comptime line: []const u8, comptime tag: std.meta.Tag(analysis.Po
const expected_range = maybe_range orelse {
std.debug.print("Expected null range, got `{s}`\n", .{
doc.text[actual_range.start..actual_range.end],
doc.text[actual_loc.start..actual_loc.end],
});
return error.DifferentRange;
};
@@ -273,10 +281,10 @@ fn testContext(comptime line: []const u8, comptime tag: std.meta.Tag(analysis.Po
const expected_range_start = comptime std.mem.indexOf(u8, final_line, expected_range).?;
const expected_range_end = expected_range_start + expected_range.len;
if (expected_range_start != actual_range.start or expected_range_end != actual_range.end) {
if (expected_range_start != actual_loc.start or expected_range_end != actual_loc.end) {
std.debug.print("Expected range `{s}` ({}..{}), got `{s}` ({}..{})\n", .{
doc.text[expected_range_start..expected_range_end], expected_range_start, expected_range_end,
doc.text[actual_range.start..actual_range.end], actual_range.start, actual_range.end,
doc.text[actual_loc.start..actual_loc.end], actual_loc.start, actual_loc.end,
});
return error.DifferentRange;
}