floraachy/Nasal-Interpreter
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Valk Richard Li
2020-01-17 21:43:10 +08:00
committed by GitHub
parent cb6f4cad4f
commit 0e5ce8d7fa
4 changed files with 291 additions and 25 deletions
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version2.0/parse.ebnf
+5 -6
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@@ -15,7 +15,7 @@
<id> = <token_identifier> ;
<dynamic_id> = <token_dynamic_id> ;
<vector> = '[' { <scalar> ',' } ']' ;
<vector> = '[' { <calculation> ',' } ']' ;
<hash> = '{' {(<id> | <string>) ':' <scalar> ','} '}' ;
<scalar> =
<number>
@@ -25,17 +25,16 @@
| <hash>
| <vector>
| <func> <id>
| <calculation>
| <function>
| '(' <scalar> ')'
| <scalar> { ('[' {<scalar> ','} ']') | ('[' <scalar> ':' [<scalar>] ']') | ('.' <id>) | ('(' {<scalar> ','} ')') | ('(' {<id> ':' <scalar> ','} ')') }
| '(' <calculation> ')'
| <scalar> { ('[' {<calculation> ','} ']') | ('[' <calculation> ':' [<calculation>] ']') | ('.' <id>) | ('(' {<calculation> ','} ')') | ('(' {<id> ':' <calculation> ','} ')') }
;
0
<function> =
<func> ['(' ')'] <statement>
| <func> ['(' ')'] '{' {<statement> ';'} '}'
| <func> '(' {<id> ','} {<id> '=' <scalar> ','} {<dynamic_id>} ')' <statement>
| <func> '(' {<id> ','} {<id> '=' <scalar> ','} {<dynamic_id>} ')' '{' {<statement> ';'} '}'
| <func> '(' {<id> ','} {<id> '=' <calculation> ','} {<dynamic_id>} ')' <statement>
| <func> '(' {<id> ','} {<id> '=' <calculation> ','} {<dynamic_id>} ')' '{' {<statement> ';'} '}'
;
<calculation> =