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Refactor lexing of fixed-point numbers (#1915)

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This incidentally fixes a bug with too-long fixed-point literals
that have precision suffixes.
This commit is contained in:
Rangi
2026-04-06 21:45:34 -04:00
committed by GitHub
parent ede9405daf
commit 11f6278d95
5 changed files with 116 additions and 97 deletions
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test/asm/fixed-point-syntax.err
+14 -4
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@@ -1,6 +1,6 @@
error: Invalid fixed-point constant, no significant digits after 'q'
error: Fixed-point constant precision must be between 1 and 31
at fixed-point-syntax.asm(10)
error: Invalid fixed-point constant, no significant digits after 'q'
error: Invalid fixed-point constant, no digits after 'q'
at fixed-point-syntax.asm(11)
error: syntax error, unexpected symbol
at fixed-point-syntax.asm(11)
@@ -10,6 +10,16 @@ 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'
error: Invalid fixed-point constant, '_' after '.'
at fixed-point-syntax.asm(15)
Assembly aborted with 7 errors
error: Invalid fixed-point constant, '_' after another '_'
at fixed-point-syntax.asm(15)
error: Invalid fixed-point constant, no digits after 'q'
at fixed-point-syntax.asm(16)
warning: Precision of fixed-point constant is too large [-Wlarge-constant]
at fixed-point-syntax.asm(17)
warning: Precision of fixed-point constant is too large [-Wlarge-constant]
at fixed-point-syntax.asm(18)
warning: Precision of fixed-point constant is too large [-Wlarge-constant]
at fixed-point-syntax.asm(19)
Assembly aborted with 9 errors