58   FailureOr<ast::Module *> parseModule();
185   FailureOr<ast::Decl *> parseTopLevelDecl();
186   FailureOr<ast::NamedAttributeDecl *>
191   FailureOr<ast::VariableDecl *> parseArgumentDecl();
195   FailureOr<ast::VariableDecl *> parseResultDecl(unsigned resultNum);
199   FailureOr<ast::UserConstraintDecl *>
204   FailureOr<ast::UserConstraintDecl *> parseInlineUserConstraintDecl();
208   FailureOr<ast::UserConstraintDecl *> parseUserPDLLConstraintDecl(
215   FailureOr<ast::UserRewriteDecl *> parseUserRewriteDecl(bool isInline = false);
219   FailureOr<ast::UserRewriteDecl *> parseInlineUserRewriteDecl();
223   FailureOr<ast::UserRewriteDecl *> parseUserPDLLRewriteDecl(
232   FailureOr<T *> parseUserConstraintOrRewriteDecl(
239   FailureOr<T *> parseUserNativeConstraintOrRewriteDecl(
259   FailureOr<ast::CompoundStmt *>
262   FailureOr<ast::CompoundStmt *> parsePatternLambdaBody();
263   FailureOr<ast::Decl *> parsePatternDecl();
272   FailureOr<ast::VariableDecl *>
276   FailureOr<ast::VariableDecl *>
285   FailureOr<ast::Expr *> parseTypeConstraintExpr();
295   FailureOr<ast::ConstraintRef>
304   FailureOr<ast::ConstraintRef> parseArgOrResultConstraint();
309   FailureOr<ast::Expr *> parseExpr();
312   FailureOr<ast::Expr *> parseAttributeExpr();
313   FailureOr<ast::Expr *> parseCallExpr(ast::Expr *parentExpr);
314   FailureOr<ast::Expr *> parseDeclRefExpr(StringRef name, SMRange loc);
315   FailureOr<ast::Expr *> parseIdentifierExpr();
316   FailureOr<ast::Expr *> parseInlineConstraintLambdaExpr();
317   FailureOr<ast::Expr *> parseInlineRewriteLambdaExpr();
318   FailureOr<ast::Expr *> parseMemberAccessExpr(ast::Expr *parentExpr);
319   FailureOr<ast::OpNameDecl *> parseOperationName(bool allowEmptyName = false);
320   FailureOr<ast::OpNameDecl *> parseWrappedOperationName(bool allowEmptyName);
321   FailureOr<ast::Expr *>
324   FailureOr<ast::Expr *> parseTupleExpr();
325   FailureOr<ast::Expr *> parseTypeExpr();
326   FailureOr<ast::Expr *> parseUnderscoreExpr();
331   FailureOr<ast::Stmt *> parseStmt(bool expectTerminalSemicolon = true);
332   FailureOr<ast::CompoundStmt *> parseCompoundStmt();
333   FailureOr<ast::EraseStmt *> parseEraseStmt();
334   FailureOr<ast::LetStmt *> parseLetStmt();
335   FailureOr<ast::ReplaceStmt *> parseReplaceStmt();
336   FailureOr<ast::ReturnStmt *> parseReturnStmt();
337   FailureOr<ast::RewriteStmt *> parseRewriteStmt();
352   FailureOr<ast::PatternDecl *>
364   FailureOr<T *> createUserPDLLConstraintOrRewriteDecl(
371   FailureOr<ast::VariableDecl *>
377   FailureOr<ast::VariableDecl *>
405   FailureOr<ast::CallExpr *>
408   FailureOr<ast::DeclRefExpr *> createDeclRefExpr(SMRange loc, ast::Decl *decl);
409   FailureOr<ast::DeclRefExpr *>
412   FailureOr<ast::MemberAccessExpr *>
417   FailureOr<ast::Type> validateMemberAccess(ast::Expr *parentExpr,
419   FailureOr<ast::OperationExpr *>
439   FailureOr<ast::TupleExpr *> createTupleExpr(SMRange loc,
446   FailureOr<ast::EraseStmt *> createEraseStmt(SMRange loc, ast::Expr *rootOp);
447   FailureOr<ast::ReplaceStmt *>
450   FailureOr<ast::RewriteStmt *>
570 FailureOr<ast::Module *> Parser::parseModule() {  in parseModule()
591     FailureOr<ast::Decl *> decl = parseTopLevelDecl();  in parseModuleBody()
978 FailureOr<ast::Decl *> Parser::parseTopLevelDecl() {  in parseTopLevelDecl()
979   FailureOr<ast::Decl *> decl;  in parseTopLevelDecl()
1005 FailureOr<ast::NamedAttributeDecl *>
1024     FailureOr<ast::Expr *> attrExpr = parseExpr();  in parseNamedAttributeDecl()
1037 FailureOr<ast::CompoundStmt *> Parser::parseLambdaBody(  in parseLambdaBody()
1045   FailureOr<ast::Stmt *> singleStatement = parseStmt(expectTerminalSemicolon);  in parseLambdaBody()
1056 FailureOr<ast::VariableDecl *> Parser::parseArgumentDecl() {  in parseArgumentDecl()
1070   FailureOr<ast::ConstraintRef> cst = parseArgOrResultConstraint();  in parseArgumentDecl()
1077 FailureOr<ast::VariableDecl *> Parser::parseResultDecl(unsigned resultNum) {  in parseResultDecl()
1104       FailureOr<ast::ConstraintRef> cst = parseArgOrResultConstraint();  in parseResultDecl()
1114   FailureOr<ast::ConstraintRef> cst = parseArgOrResultConstraint();  in parseResultDecl()
1121 FailureOr<ast::UserConstraintDecl *>
1132 FailureOr<ast::UserConstraintDecl *> Parser::parseInlineUserConstraintDecl() {  in parseInlineUserConstraintDecl()
1133   FailureOr<ast::UserConstraintDecl *> decl =  in parseInlineUserConstraintDecl()
1142 FailureOr<ast::UserConstraintDecl *> Parser::parseUserPDLLConstraintDecl(  in parseUserPDLLConstraintDecl()
1154     FailureOr<ast::CompoundStmt *> bodyResult = parseLambdaBody(  in parseUserPDLLConstraintDecl()
1170     FailureOr<ast::CompoundStmt *> bodyResult = parseCompoundStmt();  in parseUserPDLLConstraintDecl()
1190 FailureOr<ast::UserRewriteDecl *> Parser::parseUserRewriteDecl(bool isInline) {  in parseUserRewriteDecl()
1198 FailureOr<ast::UserRewriteDecl *> Parser::parseInlineUserRewriteDecl() {  in parseInlineUserRewriteDecl()
1199   FailureOr<ast::UserRewriteDecl *> decl =  in parseInlineUserRewriteDecl()
1208 FailureOr<ast::UserRewriteDecl *> Parser::parseUserPDLLRewriteDecl(  in parseUserPDLLRewriteDecl()
1217     FailureOr<ast::CompoundStmt *> bodyResult = parseLambdaBody(  in parseUserPDLLRewriteDecl()
1239     FailureOr<ast::CompoundStmt *> bodyResult = parseCompoundStmt();  in parseUserPDLLRewriteDecl()
1259 FailureOr<T *> Parser::parseUserConstraintOrRewriteDecl(  in parseUserConstraintOrRewriteDecl()
1307 FailureOr<T *> Parser::parseUserNativeConstraintOrRewriteDecl(  in parseUserNativeConstraintOrRewriteDecl()
1347       FailureOr<ast::VariableDecl *> argument = parseArgumentDecl();  in parseUserConstraintOrRewriteSignature()
1361       FailureOr<ast::VariableDecl *> result = parseResultDecl(results.size());  in parseUserConstraintOrRewriteSignature()
1423 FailureOr<ast::CompoundStmt *> Parser::parsePatternLambdaBody() {  in parsePatternLambdaBody()
1434 FailureOr<ast::Decl *> Parser::parsePatternDecl() {  in parsePatternDecl()
1457     FailureOr<ast::CompoundStmt *> bodyResult = parsePatternLambdaBody();  in parsePatternDecl()
1464     FailureOr<ast::CompoundStmt *> bodyResult = parseCompoundStmt();  in parsePatternDecl()
1559 FailureOr<ast::Expr *> Parser::parseTypeConstraintExpr() {  in parseTypeConstraintExpr()
1562   FailureOr<ast::Expr *> typeExpr = parseExpr();  in parseTypeConstraintExpr()
1580 FailureOr<ast::VariableDecl *>
1602 FailureOr<ast::VariableDecl *>
1613     FailureOr<ast::ConstraintRef> constraint = parseConstraint(  in parseVariableDeclConstraintList()
1633 FailureOr<ast::ConstraintRef>
1650     FailureOr<ast::Expr *> constraintExpr = parseTypeConstraintExpr();  in parseConstraint()
1675     FailureOr<ast::OpNameDecl *> opName =  in parseConstraint()
1715     FailureOr<ast::UserConstraintDecl *> decl = parseInlineUserConstraintDecl();  in parseConstraint()
1756 FailureOr<ast::ConstraintRef> Parser::parseArgOrResultConstraint() {  in parseArgOrResultConstraint()
1769 FailureOr<ast::Expr *> Parser::parseExpr() {  in parseExpr()
1774   FailureOr<ast::Expr *> lhsExpr;  in parseExpr()
1820 FailureOr<ast::Expr *> Parser::parseAttributeExpr() {  in parseAttributeExpr()
1843 FailureOr<ast::Expr *> Parser::parseCallExpr(ast::Expr *parentExpr) {  in parseCallExpr()
1856       FailureOr<ast::Expr *> argument = parseExpr();  in parseCallExpr()
1870 FailureOr<ast::Expr *> Parser::parseDeclRefExpr(StringRef name, SMRange loc) {  in parseDeclRefExpr()
1878 FailureOr<ast::Expr *> Parser::parseIdentifierExpr() {  in parseIdentifierExpr()
1898 FailureOr<ast::Expr *> Parser::parseInlineConstraintLambdaExpr() {  in parseInlineConstraintLambdaExpr()
1899   FailureOr<ast::UserConstraintDecl *> decl = parseInlineUserConstraintDecl();  in parseInlineConstraintLambdaExpr()
1907 FailureOr<ast::Expr *> Parser::parseInlineRewriteLambdaExpr() {  in parseInlineRewriteLambdaExpr()
1908   FailureOr<ast::UserRewriteDecl *> decl = parseInlineUserRewriteDecl();  in parseInlineRewriteLambdaExpr()
1916 FailureOr<ast::Expr *> Parser::parseMemberAccessExpr(ast::Expr *parentExpr) {  in parseMemberAccessExpr()
1936 FailureOr<ast::OpNameDecl *> Parser::parseOperationName(bool allowEmptyName) {  in parseOperationName()
1973 FailureOr<ast::OpNameDecl *>
1978   FailureOr<ast::OpNameDecl *> opNameDecl = parseOperationName(allowEmptyName);  in parseWrappedOperationName()
1987 FailureOr<ast::Expr *>
2003   FailureOr<ast::OpNameDecl *> opNameDecl =  in parseOperationExpr()
2012     FailureOr<ast::VariableDecl *> rangeVar =  in parseOperationExpr()
2038       FailureOr<ast::Expr *> operand = parseExpr();  in parseOperationExpr()
2053       FailureOr<ast::NamedAttributeDecl *> decl =  in parseOperationExpr()
2091         FailureOr<ast::Expr *> resultTypeExpr = parseExpr();  in parseOperationExpr()
2118 FailureOr<ast::Expr *> Parser::parseTupleExpr() {  in parseTupleExpr()
2157       FailureOr<ast::Expr *> element = parseExpr();  in parseTupleExpr()
2170 FailureOr<ast::Expr *> Parser::parseTypeExpr() {  in parseTypeExpr()
2192 FailureOr<ast::Expr *> Parser::parseUnderscoreExpr() {  in parseUnderscoreExpr()
2215 FailureOr<ast::Stmt *> Parser::parseStmt(bool expectTerminalSemicolon) {  in parseStmt()
2216   FailureOr<ast::Stmt *> stmt;  in parseStmt()
2244 FailureOr<ast::CompoundStmt *> Parser::parseCompoundStmt() {  in parseCompoundStmt()
2252     FailureOr<ast::Stmt *> statement = parseStmt();  in parseCompoundStmt()
2266 FailureOr<ast::EraseStmt *> Parser::parseEraseStmt() {  in parseEraseStmt()
2273   FailureOr<ast::Expr *> rootOp = parseExpr();  in parseEraseStmt()
2280 FailureOr<ast::LetStmt *> Parser::parseLetStmt() {  in parseLetStmt()
2307     FailureOr<ast::Expr *> initOrFailure = parseExpr();  in parseLetStmt()
2333   FailureOr<ast::VariableDecl *> varDecl =  in parseLetStmt()
2340 FailureOr<ast::ReplaceStmt *> Parser::parseReplaceStmt() {  in parseReplaceStmt()
2347   FailureOr<ast::Expr *> rootOp = parseExpr();  in parseReplaceStmt()
2369       FailureOr<ast::Expr *> replExpr = parseExpr();  in parseReplaceStmt()
2381     FailureOr<ast::Expr *> replExpr;  in parseReplaceStmt()
2394 FailureOr<ast::ReturnStmt *> Parser::parseReturnStmt() {  in parseReturnStmt()
2399   FailureOr<ast::Expr *> resultExpr = parseExpr();  in parseReturnStmt()
2406 FailureOr<ast::RewriteStmt *> Parser::parseRewriteStmt() {  in parseRewriteStmt()
2413   FailureOr<ast::Expr *> rootOp = parseExpr();  in parseRewriteStmt()
2427   FailureOr<ast::CompoundStmt *> rewriteBody = parseCompoundStmt();  in parseRewriteStmt()
2457 FailureOr<ast::PatternDecl *>
2482 FailureOr<T *> Parser::createUserPDLLConstraintOrRewriteDecl(  in createUserPDLLConstraintOrRewriteDecl()
2504 FailureOr<ast::VariableDecl *>
2539   FailureOr<ast::VariableDecl *> varDecl =  in createVariableDecl()
2547 FailureOr<ast::VariableDecl *>
2662 FailureOr<ast::CallExpr *>
2713 FailureOr<ast::DeclRefExpr *> Parser::createDeclRefExpr(SMRange loc,  in createDeclRefExpr()
2730 FailureOr<ast::DeclRefExpr *>
2733   FailureOr<ast::VariableDecl *> decl =  in createInlineVariableExpr()
2740 FailureOr<ast::MemberAccessExpr *>
2744   FailureOr<ast::Type> memberType = validateMemberAccess(parentExpr, name, loc);  in createMemberAccessExpr()
2751 FailureOr<ast::Type> Parser::validateMemberAccess(ast::Expr *parentExpr,  in validateMemberAccess()
2800 FailureOr<ast::OperationExpr *> Parser::createOperationExpr(  in createOperationExpr()
2969 FailureOr<ast::TupleExpr *>
2986 FailureOr<ast::EraseStmt *> Parser::createEraseStmt(SMRange loc,  in createEraseStmt()
2996 FailureOr<ast::ReplaceStmt *>
3031 FailureOr<ast::RewriteStmt *>
3119 FailureOr<ast::Module *>