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Support integer literals of different radices and decimal numeric literals #199
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LPTK
merged 7 commits into
hkust-taco:new-definition-typing
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chengluyu:lexer/numeric-literals
Jan 1, 2024
Merged
Support integer literals of different radices and decimal numeric literals #199
LPTK
merged 7 commits into
hkust-taco:new-definition-typing
from
chengluyu:lexer/numeric-literals
Jan 1, 2024
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chengluyu
changed the title
Support hex, octal, and binary integers
Support integer literals of different radices and decimal numeric literals
Dec 30, 2023
6182f20 failed for some reasons. Strange. |
Random-happened time-out problem lol. |
LPTK
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Dec 31, 2023
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LGTM besides @NeilKleistGao's comment.
Co-authored-by: Lionel Parreaux <[email protected]>
Co-authored-by: Lionel Parreaux <[email protected]>
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This PR adds the support for various literals.
0xCAFE
, etc.0o4567
, etc.0b0010
, etc.1e100
,3.141592653589793
, etc.0x0010_1101
,12_34.56_78E+9_0
, etc.\\
,\b
, and\f
. (I forgot this so it's not indicated by my commit messages. 🤦♂️)Note
This PR does not support numeric literals starting with decimal points, for example,
.5
, because it conflicts with selecting tuple indices. We can check the accumulated tokens to determine the meaning of tokens such as.1
, but I don't have time to summarize various situations and add tests right now, so I will leave it for future work.