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3 Commits

Author SHA1 Message Date
Aaron Ballman 4aee1b5b0b Add more tests for AST JSON output; NFC. 
This adds tests for dumping expressions in C. It also updates a comment to note an issue to be fixed with printing character literals discovered as part of this testing.

llvm-svn: 361193
 2019-05-20 20:01:45 +00:00
Aaron Ballman 4d05a974b7 Dump macro expansion information as needed when outputting the AST to JSON. 
llvm-svn: 361172
 2019-05-20 16:46:44 +00:00
Aaron Ballman 2ce598a44a Introduce the ability to dump the AST to JSON. 
This adds the -ast-dump=json cc1 flag (in addition to -ast-dump=default, which is the default if no dump format is specified), as well as some initial AST dumping functionality and tests.

llvm-svn: 360622
 2019-05-13 21:39:55 +00:00