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authorMelody Horn <melody@boringcactus.com>2021-03-25 21:19:28 -0600
committerMelody Horn <melody@boringcactus.com>2021-03-25 21:19:28 -0600
commit64c8fd597f8259ff6e485fd7baf7ad6e1c30d7bb (patch)
tree791abd82a32103e4a3e7621fe799d188542bf65b /yapymake
parent405a099a467788885ddbdfe3d63bf304e704f988 (diff)
downloadyapymake-64c8fd597f8259ff6e485fd7baf7ad6e1c30d7bb.tar.gz
yapymake-64c8fd597f8259ff6e485fd7baf7ad6e1c30d7bb.zip
handle (most) escaped newlines in command string
Diffstat (limited to 'yapymake')
-rw-r--r--yapymake/makefile/__init__.py13
1 files changed, 11 insertions, 2 deletions
diff --git a/yapymake/makefile/__init__.py b/yapymake/makefile/__init__.py
index e46179e..23cd144 100644
--- a/yapymake/makefile/__init__.py
+++ b/yapymake/makefile/__init__.py
@@ -145,10 +145,19 @@ class Makefile:
else:
prerequisite_tokens, command_tokens = semicolon_split
prerequisites = self.expand_macros(prerequisite_tokens).split()
+ # TODO handle escaped newline in this case
command_token_strings = [command_tokens]
while (peeked := lines_iter.peek()) is not None and peeked.startswith('\t'):
- # TODO handle escaped newlines
- command_token_strings.append(tokenize(next(lines_iter).lstrip('\t').rstrip('\n')))
+ next_line = next(lines_iter)
+ # > When an escaped <newline> is found in a command line in a makefile, the command line shall
+ # > contain the <backslash>, the <newline>, and the next line, except that the first character of
+ # > the next line shall not be included if it is a <tab>.
+ while next_line.endswith('\\\n'):
+ line_after = next(lines_iter)
+ if line_after.startswith('\t'):
+ line_after = line_after[1:]
+ next_line += line_after
+ command_token_strings.append(tokenize(next_line.lstrip('\t').rstrip('\n')))
commands = [CommandLine(c) for c in command_token_strings]
# we don't know yet if it's a target rule or an inference rule