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fuzzing web ui: make entry point links clickable

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This commit is contained in:
Andrew Kelley 2024-08-04 18:22:09 -07:00
parent e64a00950e
commit db69641061
2 changed files with 68 additions and 9 deletions
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50
lib/fuzzer/main.js
View File

@ -15,6 +15,8 @@
return response.arrayBuffer();
});
var wasm_exports = null;
var curNavSearch = null;
var curNavLocation = null;
const text_decoder = new TextDecoder();
const text_encoder = new TextEncoder();
@ -47,11 +49,52 @@
wasm_array.set(js_array);
wasm_exports.unpack(ptr, js_array.length);
window.addEventListener('popstate', onPopState, false);
onHashChange(null);
domStatus.textContent = "Waiting for server to send source location metadata...";
connectWebSocket();
});
});
function onPopState(ev) {
onHashChange(ev.state);
}
function onHashChange(state) {
history.replaceState({}, "");
navigate(location.hash);
if (state == null) window.scrollTo({top: 0});
}
function navigate(location_hash) {
curNavLocation = null;
curNavSearch = null;
if (location_hash.length > 1 && location_hash[0] === '#') {
const query = location_hash.substring(1);
const qpos = query.indexOf("?");
let nonSearchPart;
if (qpos === -1) {
nonSearchPart = query;
} else {
nonSearchPart = query.substring(0, qpos);
curNavSearch = decodeURIComponent(query.substring(qpos + 1));
}
if (nonSearchPart.length > 0) {
curNavLocation = nonSearchPart;
}
}
render();
if (curNavLocation != null) {
// TODO
// scrollToSourceLocation(findSourceLocationIndex(curNavLocation));
}
}
function connectWebSocket() {
const host = window.document.location.host;
const pathname = window.document.location.pathname;
@ -104,8 +147,9 @@
domStatus.classList.add("hidden");
domSectSource.classList.add("hidden");
// TODO this is temporary debugging data
renderSource("/home/andy/dev/zig/lib/std/zig/tokenizer.zig");
if (curNavLocation != null) {
renderSource(curNavLocation.split(":")[0]);
}
}
function renderStats() {
@ -122,7 +166,7 @@
resizeDomList(domEntryPointsList, entryPoints.length, "<li></li>");
for (let i = 0; i < entryPoints.length; i += 1) {
const liDom = domEntryPointsList.children[i];
liDom.innerText = unwrapString(wasm_exports.sourceLocationLinkHtml(entryPoints[i]));
liDom.innerHTML = unwrapString(wasm_exports.sourceLocationLinkHtml(entryPoints[i]));
}

27
lib/fuzzer/wasm/main.zig
View File

@ -4,6 +4,7 @@ const abi = std.Build.Fuzz.abi;
const gpa = std.heap.wasm_allocator;
const log = std.log;
const Coverage = std.debug.Coverage;
const Allocator = std.mem.Allocator;
const Walk = @import("Walk");
const Decl = Walk.Decl;
@ -263,12 +264,26 @@ fn updateCoverage(
}
export fn sourceLocationLinkHtml(index: u32) String {
const sl = coverage_source_locations.items[index];
const file_name = coverage.stringAt(coverage.fileAt(sl.file).basename);
string_result.clearRetainingCapacity();
string_result.writer(gpa).print("{s}:{d}:{d}", .{
file_name, sl.line, sl.column,
}) catch @panic("OOM");
sourceLocationLinkHtmlFallible(index, &string_result) catch @panic("OOM");
return String.init(string_result.items);
}
fn sourceLocationLinkHtmlFallible(index: u32, out: *std.ArrayListUnmanaged(u8)) Allocator.Error!void {
const sl = coverage_source_locations.items[index];
const file = coverage.fileAt(sl.file);
const file_name = coverage.stringAt(file.basename);
const dir_name = coverage.stringAt(coverage.directories.keys()[file.directory_index]);
out.clearRetainingCapacity();
try out.appendSlice(gpa, "<a href=\"#");
_ = html_render.missing_feature_url_escape;
try out.writer(gpa).print("{s}/{s}:{d}:{d}", .{
dir_name, file_name, sl.line, sl.column,
});
try out.appendSlice(gpa, "\">");
try html_render.appendEscaped(out, dir_name);
try out.appendSlice(gpa, "/");
try html_render.appendEscaped(out, file_name);
try out.writer(gpa).print(":{d}:{d}</a>", .{ sl.line, sl.column });
}