rustdoc: search by macro when query ends with !

Related to #96399
This commit is contained in:
Michael Howell 2023-02-16 15:32:38 -07:00
parent c5d1b3ea96
commit 4de9c6d491
6 changed files with 132 additions and 23 deletions

View file

@ -300,20 +300,21 @@ function initSearch(rawSearchIndex) {
* @return {integer}
*/
function getIdentEndPosition(parserState) {
const start = parserState.pos;
let end = parserState.pos;
let foundExclamation = false;
let foundExclamation = -1;
while (parserState.pos < parserState.length) {
const c = parserState.userQuery[parserState.pos];
if (!isIdentCharacter(c)) {
if (c === "!") {
if (foundExclamation) {
if (foundExclamation !== -1) {
throw new Error("Cannot have more than one `!` in an ident");
} else if (parserState.pos + 1 < parserState.length &&
isIdentCharacter(parserState.userQuery[parserState.pos + 1])
) {
throw new Error("`!` can only be at the end of an ident");
}
foundExclamation = true;
foundExclamation = parserState.pos;
} else if (isErrorCharacter(c)) {
throw new Error(`Unexpected \`${c}\``);
} else if (
@ -326,9 +327,18 @@ function initSearch(rawSearchIndex) {
if (!isPathStart(parserState)) {
break;
}
if (foundExclamation !== -1) {
if (start <= (end - 2)) {
throw new Error("Cannot have associated items in macros");
} else {
// if start == end - 1, we got the never type
// while the never type has no associated macros, we still
// can parse a path like that
foundExclamation = -1;
}
}
// Skip current ":".
parserState.pos += 1;
foundExclamation = false;
} else {
throw new Error(`Unexpected \`${c}\``);
}
@ -336,6 +346,16 @@ function initSearch(rawSearchIndex) {
parserState.pos += 1;
end = parserState.pos;
}
// if start == end - 1, we got the never type
if (foundExclamation !== -1 && start <= (end - 2)) {
if (parserState.typeFilter === null) {
parserState.typeFilter = "macro";
} else if (parserState.typeFilter !== "macro") {
throw new Error(`Invalid search type: macro \`!\` and ` +
`\`${parserState.typeFilter}\` both specified`);
}
end = foundExclamation;
}
return end;
}