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Fix some fixed-point literal lexing issues (#1914)

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- No fractional digits are necessary after the decimal point,
  e.g. `42.` is valid instead of `42.0`
- Error messages refer to "fixed-point" not "integer" constants
- Test more carefully for lexing unrelated to underscores
This commit is contained in:
Rangi
2026-04-04 13:41:45 -04:00
committed by GitHub
parent 25bf0e9e2c
commit ede9405daf
6 changed files with 60 additions and 6 deletions
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test/asm/fixed-point-syntax.err
+15
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@@ -0,0 +1,15 @@
error: Invalid fixed-point constant, no significant digits after 'q'
at fixed-point-syntax.asm(10)
error: Invalid fixed-point constant, no significant digits after 'q'
at fixed-point-syntax.asm(11)
error: syntax error, unexpected symbol
at fixed-point-syntax.asm(11)
error: syntax error, unexpected symbol
at fixed-point-syntax.asm(12)
error: Invalid integer constant, trailing '_'
at fixed-point-syntax.asm(13)
error: Invalid fixed-point constant, '_' after '.'
at fixed-point-syntax.asm(14)
error: Invalid fixed-point constant, no significant digits after 'q'
at fixed-point-syntax.asm(15)
Assembly aborted with 7 errors