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[lexer] Add fractionals and prefix fixes

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- Add states to handle fractionals. Easy.
- Add states to properly handle the prefixes. You can have #i#x and #x#i. It
  should now reflect that...
This commit is contained in:
Eryn Wells 2018-09-03 11:10:29 -07:00
parent 0b5fb57ba9
commit fb77e7e203
1 changed files with 22 additions and 2 deletions
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doc/lexer.dot
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@ -44,15 +44,35 @@ digraph lexer {
H -> NEX [ label = "i,e" ];
NEX -> DD0 [ label = "0-9" ];
NEX -> SN0 [ label = "." ];
NEX -> SN0 [ label = "+,-" ];
NEX -> NXH1 [ label = "#" ];
NXH1 -> NXD1 [ label = "d" ];
NXD1 -> DD0 [ label = "0-9" ];
NXD1 -> SN0 [ label = "+,-" ];
NXH1 -> NXX1 [ label = "b,o,x" ];
NXX1 -> SN1 [ label = "+,-" ];
NXX1 -> DR0 [ label = "Dr" ];
H -> NBD [ label = "d" ];
NBD -> DD0 [ label = "0-9" ];
NBD -> SN0 [ label = "." ];
NBD -> SN0 [ label = "+,-" ];
NBD -> NBH [ label = "#" ];
NBH -> NBX [ label = "i,e" ];
NBX -> SN0 [ label = "+,-" ];
NBX -> DD0 [ label = "0-9" ];
H -> NBS [ label = "b,o,x" ];
NBS -> DR0 [ label = "Dr" ];
DR0 -> DR0 [ label = "Dr" ];
NBS -> NXH [ label = "#" ];
NXH -> NXX [ label = "i,e" ];
NXX -> DR0 [ label = "Dr" ];
NBS -> SN1 [ label = "+,-" ];
NXX -> SN1 [ label = "+,-" ];
SN1 -> DR0 [ label = "Dr" ];
SN1 -> INF [ label = "inf.0" ];
SN1 -> NAN [ label = "nan.0" ];
DD0 -> EXP [ label = "e" ];
DP1 -> EXP [ label = "e" ];