[PATCH] D22403: FileCheck Enhancement - pattern templates.

[Elena Lepilkina via llvm-commits]

eklepilkina edited reviewers, added: vsk, alexfh; removed: dblaikie.
eklepilkina removed a subscriber: vsk.
eklepilkina updated this revision to Diff 70696.
eklepilkina added a comment.

Change syntax to new one suggested by Vedant Kumar.

ACTION <- CHECK ':' MATCH '\n' ;

  ACTION <- CHECK-DEFINE-PATTERN ':' IDENT PARAMLIST? ':' PATTERN_ELEMENT* '\n' ;
  PARAMLIST <- '(' IDENT (',' IDENT)* ')' ;
  PATTERN_ELEMENT <- IDENT | REGEX;
  MATCH <- (TEXT | REGEX | PATTERN_USE | VAR)* ;
  REGEX <- '{{' POSIX_REGEX '}}' ;
  PATTERN_USE <- '[[' '@' IDENT  ARGLIST? ']]' ;
  VAR <- '[[' IDENT ':' POSIX_REGEX ']]' ;
  VAR <- '[[' IDENT '@' IDENT ARGLIST? ']]' ;
  ARGLIST <- '(' ARG (',' ARG)* ')' ;
  ARG <- "([^"]|\\")*" ;


https://reviews.llvm.org/D22403

Files:
  docs/CommandGuide/FileCheck.rst
  test/FileCheck/check-pattern.txt
  utils/FileCheck/FileCheck.cpp

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