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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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5
test/asm/interpolation-overflow.err
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@@ -5,5 +5,8 @@ ERROR: interpolation-overflow.asm(4):
warning: interpolation-overflow.asm(4): [-Wlarge-constant]
Precision of fixed-point constant is too large
while expanding symbol "0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"
FATAL: interpolation-overflow.asm(4):
ERROR: interpolation-overflow.asm(4):
Macro argument '\1' not defined
ERROR: interpolation-overflow.asm(4):
syntax error, unexpected number
error: Assembly aborted (4 errors)!