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Add loop syntax. Add attempt/error (try/catch)

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Funky Waddle 2025-11-23 23:27:23 -06:00
parent 2cceae4ba0
commit b618aee7ee
1 changed files with 11 additions and 0 deletions
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11
core/bnf/statements.bnf
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@ -1,9 +1,12 @@
<statement> ::= <assignment_statement>
| <if_statement>
| <while_statement>
| <loop_statement>
| <reverse_loop_statement>
| <function_call_statement>
| <return_statement>
| <using_statement>
| <attempt_statement>
<assignment_statement> ::= <my_identifier> ".set(" <expression> ")" ";"
@ -11,6 +14,10 @@
<while_statement> ::= "while" "(" <expression> ")" "{" <statement>* "}"
<loop_statement> ::= "loop" "(" <identifier> "," <expression> "->" <expression> ["," <expression>]? ")" "{" <statement>* "}"
<reverse_loop_statement> ::= "rloop" "(" <identifier> "," <expression> "->" <expression> ["," <expression>]? ")" "{" <statement>* "}"
<function_call_statement> ::= <my_identifier> "(" <argument_list>? ")" ";"
<argument_list> ::= <expression> ("," <expression>)*
@ -18,3 +25,7 @@
<return_statement> ::= "rtn" <expression> ";"
<using_statement> ::= "using" <type> <identifier> ".set(" <expression> ")" "{" <statement>* "}"
<attempt_statement> ::= <expression> ".attempt" "{" <attempt_handler>* "}"
<attempt_handler> ::= ("ok" | <identifier> | "error") "{" <statement>* "}"