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Make failed macro arg expansions non-fatal

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Expanding empty strings is valid but pointless;
macro args already skipped doing so, now other
`beginExpansion` calls do too.

This also fixes failed interpolations (which were
already non-fatal) to continue reading characters,
not evaluate to their initial '{' character.
This commit is contained in:
Rangi
2021-04-20 11:51:01 -04:00
committed by Eldred Habert
parent 1aeaca2af6
commit e596dbfc80
13 changed files with 84 additions and 50 deletions
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3
test/asm/symbol-invalid-macro-arg.err
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@@ -1,2 +1,3 @@
FATAL: symbol-invalid-macro-arg.asm(1):
ERROR: symbol-invalid-macro-arg.asm(1):
Invalid macro argument '\0'
error: Assembly aborted (1 error)!