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Merge pull request #1701 from AleoHQ/abnf-postfix-pre-testnet3

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[ABNF] Re-classify function call expressions.
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Collin Chin 2022-03-22 09:59:34 -07:00 committed by GitHub
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2 changed files with 8 additions and 28 deletions
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24
docs/grammar/README.md
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@ -204,12 +204,6 @@ hexadecimal-digit = decimal-digit / "a" / "b" / "c" / "d" / "e" / "f"
Go to: _[decimal-digit](#user-content-decimal-digit)_; Go to: _[decimal-digit](#user-content-decimal-digit)_;
An identifier is a non-empty sequence of
letters, (decimal) digits, and underscores,
starting with a letter.
It must not be a keyword or a boolean literal,
and it must not be or start with `aleo1`;
these are extra-grammatical requirements, indicated in the comment.
<a name="identifier"></a> <a name="identifier"></a>
```abnf ```abnf
identifier = letter *( letter / decimal-digit / "_" ) identifier = letter *( letter / decimal-digit / "_" )
@ -485,6 +479,7 @@ scalar-type = boolean-type / arithmetic-type / address-type / character-type
Go to: _[address-type](#user-content-address-type), [arithmetic-type](#user-content-arithmetic-type), [boolean-type](#user-content-boolean-type), [character-type](#user-content-character-type)_; Go to: _[address-type](#user-content-address-type), [arithmetic-type](#user-content-arithmetic-type), [boolean-type](#user-content-boolean-type), [character-type](#user-content-character-type)_;
<a name="type"></a> <a name="type"></a>
```abnf ```abnf
type = scalar-type type = scalar-type
@ -530,9 +525,10 @@ Go to: _[affine-group-literal](#user-content-affine-group-literal), [product-gro
primary-expression = identifier primary-expression = identifier
/ literal / literal
/ "(" expression ")" / "(" expression ")"
/ identifier function-arguments
``` ```
Go to: _[expression](#user-content-expression), [identifier](#user-content-identifier), [literal](#user-content-literal)_; Go to: _[expression](#user-content-expression), [function-arguments](#user-content-function-arguments), [identifier](#user-content-identifier), [literal](#user-content-literal)_;
<a name="function-arguments"></a> <a name="function-arguments"></a>
@ -543,23 +539,14 @@ function-arguments = "(" [ expression *( "," expression ) [ "," ] ] ")"
Go to: _[expression](#user-content-expression)_; Go to: _[expression](#user-content-expression)_;
<a name="postfix-expression"></a>
```abnf
postfix-expression = primary-expression
/ identifier function-arguments
```
Go to: _[function-arguments](#user-content-function-arguments), [identifier](#user-content-identifier), [primary-expression](#user-content-primary-expression)_;
<a name="unary-expression"></a> <a name="unary-expression"></a>
```abnf ```abnf
unary-expression = postfix-expression unary-expression = primary-expression
/ "!" unary-expression / "!" unary-expression
/ "-" unary-expression / "-" unary-expression
``` ```
Go to: _[postfix-expression](#user-content-postfix-expression), [unary-expression](#user-content-unary-expression)_; Go to: _[primary-expression](#user-content-primary-expression), [unary-expression](#user-content-unary-expression)_;
<a name="exponential-expression"></a> <a name="exponential-expression"></a>
@ -787,6 +774,7 @@ print-call = print-function print-arguments
Go to: _[print-arguments](#user-content-print-arguments), [print-function](#user-content-print-function)_; Go to: _[print-arguments](#user-content-print-arguments), [print-function](#user-content-print-function)_;
<a name="function-declaration"></a> <a name="function-declaration"></a>
```abnf ```abnf
function-declaration = %s"function" identifier function-declaration = %s"function" identifier

12
docs/grammar/abnf-grammar.txt
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@ -100,12 +100,6 @@ octal-digit = %x30-37 ; 0-7
hexadecimal-digit = decimal-digit / "a" / "b" / "c" / "d" / "e" / "f" hexadecimal-digit = decimal-digit / "a" / "b" / "c" / "d" / "e" / "f"
; An identifier is a non-empty sequence of
; letters, (decimal) digits, and underscores,
; starting with a letter.
; It must not be a keyword or a boolean literal,
; and it must not be or start with `aleo1`;
; these are extra-grammatical requirements, indicated in the comment.
identifier = letter *( letter / decimal-digit / "_" ) identifier = letter *( letter / decimal-digit / "_" )
; but not a keyword or a boolean literal or aleo1... ; but not a keyword or a boolean literal or aleo1...
@ -228,13 +222,11 @@ group-literal = product-group-literal / affine-group-literal
primary-expression = identifier primary-expression = identifier
/ literal / literal
/ "(" expression ")" / "(" expression ")"
/ identifier function-arguments
function-arguments = "(" [ expression *( "," expression ) [ "," ] ] ")" function-arguments = "(" [ expression *( "," expression ) [ "," ] ] ")"
postfix-expression = primary-expression unary-expression = primary-expression
/ identifier function-arguments
unary-expression = postfix-expression
/ "!" unary-expression / "!" unary-expression
/ "-" unary-expression / "-" unary-expression