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[mlir:PDLL] Improve the location ranges of several expressions during parsing 

This allows for the range to encompass more of the source associated
with the full expression, making diagnostics easier to see/tooling easier/etc.
This commit is contained in:
River Riddle 2022-05-17 17:49:28 -07:00
parent e213e5a999
commit 6d4471efb0
1 changed files with 7 additions and 4 deletions
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11
mlir/lib/Tools/PDLL/Parser/Parser.cpp
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@ -1766,6 +1766,7 @@ FailureOr<ast::Expr *> Parser::parseAttributeExpr() {
std::string attrExpr = curToken.getStringValue();
consumeToken();
loc.End = curToken.getEndLoc();
if (failed(
parseToken(Token::greater, "expected `>` after attribute literal")))
return failure();
@ -1773,7 +1774,6 @@ FailureOr<ast::Expr *> Parser::parseAttributeExpr() {
}
FailureOr<ast::Expr *> Parser::parseCallExpr(ast::Expr *parentExpr) {
SMRange loc = curToken.getLoc();
consumeToken(Token::l_paren);
// Parse the arguments of the call.
@ -1792,7 +1792,8 @@ FailureOr<ast::Expr *> Parser::parseCallExpr(ast::Expr *parentExpr) {
arguments.push_back(*argument);
} while (consumeIf(Token::comma));
}
loc.End = curToken.getEndLoc();
SMRange loc(parentExpr->getLoc().Start, curToken.getEndLoc());
if (failed(parseToken(Token::r_paren, "expected `)` after argument list")))
return failure();
@ -1846,7 +1847,7 @@ FailureOr<ast::Expr *> Parser::parseInlineRewriteLambdaExpr() {
}
FailureOr<ast::Expr *> Parser::parseMemberAccessExpr(ast::Expr *parentExpr) {
SMRange loc = curToken.getLoc();
SMRange dotLoc = curToken.getLoc();
consumeToken(Token::dot);
// Check for code completion of the member name.
@ -1857,8 +1858,9 @@ FailureOr<ast::Expr *> Parser::parseMemberAccessExpr(ast::Expr *parentExpr) {
Token memberNameTok = curToken;
if (memberNameTok.isNot(Token::identifier, Token::integer) &&
!memberNameTok.isKeyword())
return emitError(loc, "expected identifier or numeric member name");
return emitError(dotLoc, "expected identifier or numeric member name");
StringRef memberName = memberNameTok.getSpelling();
SMRange loc(parentExpr->getLoc().Start, curToken.getEndLoc());
consumeToken();
return createMemberAccessExpr(parentExpr, memberName, loc);
@ -2099,6 +2101,7 @@ FailureOr<ast::Expr *> Parser::parseTypeExpr() {
std::string attrExpr = curToken.getStringValue();
consumeToken();
loc.End = curToken.getEndLoc();
if (failed(parseToken(Token::greater, "expected `>` after type literal")))
return failure();
return ast::TypeExpr::create(ctx, loc, attrExpr);