3 Commits

Author	SHA1	Message	Date
peter klausler	320389e849	[flang] Fix source line continuation in potential macro calls (bugzilla 46768) ... The prescanner looks for implicit continuation lines when there are unclosed parentheses at the end of a line, so that source preprocessing macro references with arguments that span lines are recognized. The condition that determines this implicit continuation has been put into a predicate member function and corrected to apply only when the following line is source (not a preprocessing directive, comment, &c.). Fixes bugzilla #46768. Reviewed By: sscalpone Differential Revision: https://reviews.llvm.org/D84280	2020-07-21 18:21:35 -07:00
peter klausler	26330a0c7c	[flang] Check for misplaced labels ... In fixed form source, complain when a label digit appears outside the label field & when a non-digit appears in the label field. Reviewed By: sscalpone Differential Revision: https://reviews.llvm.org/D84283	2020-07-21 18:00:16 -07:00
peter klausler	cf2274b779	[flang] Allow ! and // comments after some preprocessing directives ... Old-style C /*comments*/ are omitted from preprocessor directive token sequences by the prescanner, but line-ending C++ and Fortran free-form comments are not since their handling might depend on the directive. Add code to skip these line-ending comments as appropriate in place of existing code that just skipped blanks. Reviewed By: sscalpone Differential Revision: https://reviews.llvm.org/D84061	2020-07-17 15:28:22 -07:00