[Chapel Merge] next: Parse bracket loops at the statement level (

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Branch: refs/heads/master
Revision: 88615ce
Author: dlongnecke-cray
Log Message:

Merge pull request #17822 from dlongnecke-cray/next-add-bracket-loop

next: Parse bracket loops at the statement level (#17822)

This is for compiler/next.

A "bracket loop" is a loop construct that looks like:

[i in 0..15] writeln(i);

A bracket loop is different from a forall loop in that it will try to
use a serial iterator if a parallel iterator is not available.

Add the header BracketLoop, and parse bracket loops that appear at
a statement level.

Rename usesDo to usesImplicitBlock. Remove isBodyBlock from
the DoWhile and BracketLoop nodes. Rewire the parser accordingly.

Clean up parser actions for loops by adding helpers to ParserContext.

Reviewed by @lydia-duncan and @mppf. Thanks!

TESTING:

  • [x] All compiler/next tests pass

Signed-off-by: David Longnecker dlongnecke-cray@users.noreply.github.com

Modified Files:
A compiler/next/include/chpl/uast/BracketLoop.h

A compiler/next/lib/uast/BracketLoop.cpp
A compiler/next/test/frontend/testParseBracketLoop.cpp
M compiler/next/include/chpl/uast/ASTClassesList.h
M compiler/next/include/chpl/uast/DoWhile.h
M compiler/next/include/chpl/uast/For.h
M compiler/next/include/chpl/uast/Forall.h
M compiler/next/include/chpl/uast/Foreach.h
M compiler/next/include/chpl/uast/IndexableLoop.h
M compiler/next/include/chpl/uast/Local.h
M compiler/next/include/chpl/uast/Loop.h
M compiler/next/include/chpl/uast/Serial.h
M compiler/next/include/chpl/uast/While.h
M compiler/next/lib/frontend/Parser/ParserContext.h
M compiler/next/lib/frontend/Parser/ParserContextImpl.h
M compiler/next/lib/frontend/Parser/chapel.ypp
M compiler/next/lib/frontend/Parser/parser-dependencies.h
M compiler/next/lib/uast/CMakeLists.txt
M compiler/next/lib/uast/DoWhile.cpp
M compiler/next/lib/uast/For.cpp
M compiler/next/lib/uast/Forall.cpp
M compiler/next/lib/uast/Foreach.cpp
M compiler/next/lib/uast/Local.cpp
M compiler/next/lib/uast/Loop.cpp
M compiler/next/lib/uast/Serial.cpp
M compiler/next/lib/uast/While.cpp
M compiler/next/test/frontend/CMakeLists.txt
M compiler/next/test/frontend/testParseDoWhile.cpp
M compiler/next/test/frontend/testParseFor.cpp
M compiler/next/test/frontend/testParseForall.cpp
M compiler/next/test/frontend/testParseForeach.cpp
M compiler/next/test/frontend/testParseLocal.cpp
M compiler/next/test/frontend/testParseSerial.cpp
M compiler/next/test/frontend/testParseWhile.cpp

Compare: https://github.com/chapel-lang/chapel/compare/d1d65d9c0311...88615ce16494