[PATCH] D83347: [ms] [llvm-ml] Add support for line continuations in MASM

[Eric Astor via Phabricator via llvm-commits]

epastor created this revision.
Herald added subscribers: llvm-commits, hiraditya.
Herald added a project: LLVM.

Add support for line continuations (the "backslash operator") in MASM by modifying the Parser's Lex method.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D83347

Files:
  llvm/lib/MC/MCParser/MasmParser.cpp


Index: llvm/lib/MC/MCParser/MasmParser.cpp
===================================================================
--- llvm/lib/MC/MCParser/MasmParser.cpp
+++ llvm/lib/MC/MCParser/MasmParser.cpp
@@ -1099,6 +1099,14 @@
     tok = &Lexer.Lex();
   }
 
+  // Recognize and bypass line continuations.
+  while (tok->is(AsmToken::BackSlash) &&
+         Lexer.peekTok().is(AsmToken::EndOfStatement)) {
+    // Eat both the backslash and the end of statement.
+    Lexer.Lex();
+    tok = &Lexer.Lex();
+  }
+
   if (tok->is(AsmToken::Eof)) {
     // If this is the end of an included file, pop the parent file off the
     // include stack.


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