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tentative parse expression grammar rule

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gluax 2021-03-24 13:54:53 -04:00
parent 5ae7771050
commit 5ed7582b22
1 changed files with 9 additions and 6 deletions
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15
grammar/abnf-grammar.txt
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@ -823,9 +823,7 @@ circuit-construction = circuit-type "{"
circuit-inline-element = identifier ":" expression / identifier
circuit-access = primary-expression "." identifier
circuit-expression = circuit-construction / circuit-access
circuit-expression = circuit-construction
; There are three kinds of function calls:
; top-level function calls,
@ -847,11 +845,16 @@ function-call = top-level-function-call
function-arguments = "(" [ expression *( "," expression ) ] ")"
; Unary operators have the highest precedence.
; They apply to primary expressions
; Access expressions have highest precedence.
; They apply to primary expressions.
access-expression = primary-expression
/ access-expression "." identifier
; Unary operators have the highest operator precedence.
; They apply to access expressions
; and recursively to unary expressions.
unary-expression = primary-expression
unary-expression = access-expression
/ "!" unary-expression
/ "-" unary-expression