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[ABNF] Tweak some layout.

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Just for consistency with the rest of the file.
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Alessandro Coglio 2021-04-05 21:53:38 -07:00
parent c0ea8798a2
commit 797e8ceffd
2 changed files with 45 additions and 37 deletions
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53
grammar/abnf-grammar.md
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@ -494,7 +494,7 @@ Line terminators form whitespace, along with spaces and horizontal tabs.
whitespace = space / horizontal-tab / newline whitespace = space / horizontal-tab / newline
``` ```
Go to: _[space](#user-content-space), [horizontal-tab](#user-content-horizontal-tab), [newline](#user-content-newline)_; Go to: _[newline](#user-content-newline), [space](#user-content-space), [horizontal-tab](#user-content-horizontal-tab)_;
There are two kinds of comments in Leo, as in other languages. There are two kinds of comments in Leo, as in other languages.
@ -539,7 +539,7 @@ rest-of-block-comment-after-star = "/"
/ not-star-or-slash rest-of-block-comment / not-star-or-slash rest-of-block-comment
``` ```
Go to: _[rest-of-block-comment](#user-content-rest-of-block-comment), [rest-of-block-comment-after-star](#user-content-rest-of-block-comment-after-star), [not-star-or-slash](#user-content-not-star-or-slash)_; Go to: _[rest-of-block-comment-after-star](#user-content-rest-of-block-comment-after-star), [not-star-or-slash](#user-content-not-star-or-slash), [rest-of-block-comment](#user-content-rest-of-block-comment)_;
<a name="end-of-line-comment"></a> <a name="end-of-line-comment"></a>
@ -826,7 +826,7 @@ atomic-literal = untyped-literal
/ address-literal / address-literal
``` ```
Go to: _[signed-literal](#user-content-signed-literal), [product-group-literal](#user-content-product-group-literal), [field-literal](#user-content-field-literal), [boolean-literal](#user-content-boolean-literal), [address-literal](#user-content-address-literal), [unsigned-literal](#user-content-unsigned-literal), [untyped-literal](#user-content-untyped-literal)_; Go to: _[product-group-literal](#user-content-product-group-literal), [boolean-literal](#user-content-boolean-literal), [field-literal](#user-content-field-literal), [address-literal](#user-content-address-literal), [signed-literal](#user-content-signed-literal), [untyped-literal](#user-content-untyped-literal), [unsigned-literal](#user-content-unsigned-literal)_;
After defining the (mostly) alphanumeric tokens above, After defining the (mostly) alphanumeric tokens above,
@ -899,7 +899,7 @@ token = keyword
/ symbol / symbol
``` ```
Go to: _[formatted-string](#user-content-formatted-string), [symbol](#user-content-symbol), [atomic-literal](#user-content-atomic-literal), [package-name](#user-content-package-name), [annotation-name](#user-content-annotation-name), [identifier](#user-content-identifier), [keyword](#user-content-keyword)_; Go to: _[annotation-name](#user-content-annotation-name), [atomic-literal](#user-content-atomic-literal), [symbol](#user-content-symbol), [keyword](#user-content-keyword), [package-name](#user-content-package-name), [identifier](#user-content-identifier), [formatted-string](#user-content-formatted-string)_;
@ -935,7 +935,7 @@ signed-type = "i8" / "i16" / "i32" / "i64" / "i128"
integer-type = unsigned-type / signed-type integer-type = unsigned-type / signed-type
``` ```
Go to: _[signed-type](#user-content-signed-type), [unsigned-type](#user-content-unsigned-type)_; Go to: _[unsigned-type](#user-content-unsigned-type), [signed-type](#user-content-signed-type)_;
The integer types, along with the field and group types, The integer types, along with the field and group types,
@ -956,7 +956,7 @@ group-type = "group"
arithmetic-type = integer-type / field-type / group-type arithmetic-type = integer-type / field-type / group-type
``` ```
Go to: _[integer-type](#user-content-integer-type), [group-type](#user-content-group-type), [field-type](#user-content-field-type)_; Go to: _[field-type](#user-content-field-type), [group-type](#user-content-group-type), [integer-type](#user-content-integer-type)_;
The arithmetic types, along with the boolean and address types, The arithmetic types, along with the boolean and address types,
@ -977,7 +977,7 @@ address-type = "address"
scalar-type = boolean-type / arithmetic-type / address-type scalar-type = boolean-type / arithmetic-type / address-type
``` ```
Go to: _[arithmetic-type](#user-content-arithmetic-type), [boolean-type](#user-content-boolean-type), [address-type](#user-content-address-type)_; Go to: _[address-type](#user-content-address-type), [boolean-type](#user-content-boolean-type), [arithmetic-type](#user-content-arithmetic-type)_;
Circuit types are denoted by identifiers and the keyword 'Self'. Circuit types are denoted by identifiers and the keyword 'Self'.
@ -1039,7 +1039,7 @@ i.e. types whose values contain (sub)values
aggregate-type = tuple-type / array-type / circuit-type aggregate-type = tuple-type / array-type / circuit-type
``` ```
Go to: _[tuple-type](#user-content-tuple-type), [array-type](#user-content-array-type), [circuit-type](#user-content-circuit-type)_; Go to: _[array-type](#user-content-array-type), [circuit-type](#user-content-circuit-type), [tuple-type](#user-content-tuple-type)_;
Scalar and aggregate types form all the types. Scalar and aggregate types form all the types.
@ -1100,7 +1100,7 @@ a group literal is either a product group literal or an affine group literal.
group-literal = product-group-literal / affine-group-literal group-literal = product-group-literal / affine-group-literal
``` ```
Go to: _[affine-group-literal](#user-content-affine-group-literal), [product-group-literal](#user-content-product-group-literal)_; Go to: _[product-group-literal](#user-content-product-group-literal), [affine-group-literal](#user-content-affine-group-literal)_;
As often done in grammatical language syntax specifications, As often done in grammatical language syntax specifications,
@ -1130,7 +1130,7 @@ primary-expression = identifier
/ circuit-expression / circuit-expression
``` ```
Go to: _[tuple-expression](#user-content-tuple-expression), [identifier](#user-content-identifier), [expression](#user-content-expression), [array-expression](#user-content-array-expression), [literal](#user-content-literal), [circuit-expression](#user-content-circuit-expression)_; Go to: _[identifier](#user-content-identifier), [expression](#user-content-expression), [circuit-expression](#user-content-circuit-expression), [tuple-expression](#user-content-tuple-expression), [array-expression](#user-content-array-expression), [literal](#user-content-literal)_;
There are tuple expressions to construct and deconstruct tuples. There are tuple expressions to construct and deconstruct tuples.
@ -1275,6 +1275,9 @@ Postfix expressions have highest precedence.
They apply to primary expressions. They apply to primary expressions.
Contains access expressions for arrays, tuples, and circuits. Contains access expressions for arrays, tuples, and circuits.
Contains function call types. Contains function call types.
<a name="postfix-expression"></a>
```abnf
postfix-expression = primary-expression postfix-expression = primary-expression
/ postfix-expression "." natural / postfix-expression "." natural
/ postfix-expression "." identifier / postfix-expression "." identifier
@ -1283,6 +1286,10 @@ postfix-expression = primary-expression
/ circuit-type "::" identifier function-arguments / circuit-type "::" identifier function-arguments
/ postfix-expression "[" expression "]" / postfix-expression "[" expression "]"
/ postfix-expression "[" [expression] ".." [expression] "]" / postfix-expression "[" [expression] ".." [expression] "]"
```
Go to: _[primary-expression](#user-content-primary-expression), [natural](#user-content-natural), [function-arguments](#user-content-function-arguments), [circuit-type](#user-content-circuit-type), [identifier](#user-content-identifier), [expression](#user-content-expression), [postfix-expression](#user-content-postfix-expression)_;
Unary operators have the highest operator precedence. Unary operators have the highest operator precedence.
They apply to postfix expressions They apply to postfix expressions
@ -1367,7 +1374,7 @@ equality-expression = ordering-expression
/ equality-expression "!=" ordering-expression / equality-expression "!=" ordering-expression
``` ```
Go to: _[ordering-expression](#user-content-ordering-expression), [equality-expression](#user-content-equality-expression)_; Go to: _[equality-expression](#user-content-equality-expression), [ordering-expression](#user-content-ordering-expression)_;
Next come conjunctive expressions, left-associative. Next come conjunctive expressions, left-associative.
@ -1389,7 +1396,7 @@ disjunctive-expression = conjunctive-expression
/ disjunctive-expression "||" conjunctive-expression / disjunctive-expression "||" conjunctive-expression
``` ```
Go to: _[conjunctive-expression](#user-content-conjunctive-expression), [disjunctive-expression](#user-content-disjunctive-expression)_; Go to: _[disjunctive-expression](#user-content-disjunctive-expression), [conjunctive-expression](#user-content-conjunctive-expression)_;
Finally we have conditional expressions. Finally we have conditional expressions.
@ -1402,7 +1409,7 @@ conditional-expression = disjunctive-expression
":" conditional-expression ":" conditional-expression
``` ```
Go to: _[conditional-expression](#user-content-conditional-expression), [disjunctive-expression](#user-content-disjunctive-expression), [expression](#user-content-expression)_; Go to: _[disjunctive-expression](#user-content-disjunctive-expression), [expression](#user-content-expression), [conditional-expression](#user-content-conditional-expression)_;
These are all the expressions. These are all the expressions.
@ -1435,7 +1442,7 @@ statement = expression-statement
/ block / block
``` ```
Go to: _[variable-definition-statement](#user-content-variable-definition-statement), [loop-statement](#user-content-loop-statement), [expression-statement](#user-content-expression-statement), [return-statement](#user-content-return-statement), [conditional-statement](#user-content-conditional-statement), [console-statement](#user-content-console-statement), [assignment-statement](#user-content-assignment-statement), [block](#user-content-block)_; Go to: _[expression-statement](#user-content-expression-statement), [return-statement](#user-content-return-statement), [console-statement](#user-content-console-statement), [loop-statement](#user-content-loop-statement), [conditional-statement](#user-content-conditional-statement), [assignment-statement](#user-content-assignment-statement), [block](#user-content-block), [variable-definition-statement](#user-content-variable-definition-statement)_;
<a name="block"></a> <a name="block"></a>
@ -1478,7 +1485,7 @@ variable-definition-statement = ( "let" / "const" )
[ ":" type ] "=" expression ";" [ ":" type ] "=" expression ";"
``` ```
Go to: _[expression](#user-content-expression), [identifier-or-identifiers](#user-content-identifier-or-identifiers), [type](#user-content-type)_; Go to: _[type](#user-content-type), [identifier-or-identifiers](#user-content-identifier-or-identifiers), [expression](#user-content-expression)_;
<a name="identifier-or-identifiers"></a> <a name="identifier-or-identifiers"></a>
@ -1501,7 +1508,7 @@ Note that we require blocks in all branches, not merely statements.
branch = "if" expression block branch = "if" expression block
``` ```
Go to: _[block](#user-content-block), [expression](#user-content-expression)_; Go to: _[expression](#user-content-expression), [block](#user-content-block)_;
<a name="conditional-statement"></a> <a name="conditional-statement"></a>
@ -1523,7 +1530,7 @@ The body is a block.
loop-statement = "for" identifier "in" expression ".." expression block loop-statement = "for" identifier "in" expression ".." expression block
``` ```
Go to: _[block](#user-content-block), [identifier](#user-content-identifier), [expression](#user-content-expression)_; Go to: _[identifier](#user-content-identifier), [expression](#user-content-expression), [block](#user-content-block)_;
An assignment statement is straightforward. An assignment statement is straightforward.
@ -1540,7 +1547,7 @@ assignment-operator = "=" / "+=" / "-=" / "*=" / "/=" / "**="
assignment-statement = expression assignment-operator expression ";" assignment-statement = expression assignment-operator expression ";"
``` ```
Go to: _[expression](#user-content-expression), [assignment-operator](#user-content-assignment-operator)_; Go to: _[assignment-operator](#user-content-assignment-operator), [expression](#user-content-expression)_;
Console statements start with the 'console' keyword, Console statements start with the 'console' keyword,
@ -1629,7 +1636,7 @@ function-declaration = *annotation "function" identifier
block block
``` ```
Go to: _[function-parameters](#user-content-function-parameters), [type](#user-content-type), [identifier](#user-content-identifier), [block](#user-content-block)_; Go to: _[identifier](#user-content-identifier), [function-parameters](#user-content-function-parameters), [block](#user-content-block), [type](#user-content-type)_;
<a name="function-parameters"></a> <a name="function-parameters"></a>
@ -1640,7 +1647,7 @@ function-parameters = self-parameter [ "," input-parameter ]
/ input-parameter / input-parameter
``` ```
Go to: _[function-inputs](#user-content-function-inputs), [self-parameter](#user-content-self-parameter), [input-parameter](#user-content-input-parameter)_; Go to: _[input-parameter](#user-content-input-parameter), [self-parameter](#user-content-self-parameter), [function-inputs](#user-content-function-inputs)_;
<a name="self-parameter"></a> <a name="self-parameter"></a>
@ -1688,7 +1695,7 @@ Go to: _[member-function-declaration](#user-content-member-function-declaration)
member-variable-declaration = identifier ":" type member-variable-declaration = identifier ":" type
``` ```
Go to: _[type](#user-content-type), [identifier](#user-content-identifier)_; Go to: _[identifier](#user-content-identifier), [type](#user-content-type)_;
<a name="member-function-declaration"></a> <a name="member-function-declaration"></a>
@ -1738,7 +1745,7 @@ package-path = "*"
/ "(" package-path *( "," package-path ) [","] ")" / "(" package-path *( "," package-path ) [","] ")"
``` ```
Go to: _[identifier](#user-content-identifier), [package-path](#user-content-package-path), [package-name](#user-content-package-name)_; Go to: _[package-path](#user-content-package-path), [identifier](#user-content-identifier), [package-name](#user-content-package-name)_;
Finally, we define a file as a sequence of zero or more declarations. Finally, we define a file as a sequence of zero or more declarations.
@ -1756,7 +1763,7 @@ declaration = import-declaration
/ circuit-declaration / circuit-declaration
``` ```
Go to: _[circuit-declaration](#user-content-circuit-declaration), [import-declaration](#user-content-import-declaration), [function-declaration](#user-content-function-declaration)_; Go to: _[function-declaration](#user-content-function-declaration), [circuit-declaration](#user-content-circuit-declaration), [import-declaration](#user-content-import-declaration)_;
<a name="file"></a> <a name="file"></a>

1
grammar/abnf-grammar.txt
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@ -816,6 +816,7 @@ function-arguments = "(" [ expression *( "," expression ) ] ")"
; They apply to primary expressions. ; They apply to primary expressions.
; Contains access expressions for arrays, tuples, and circuits. ; Contains access expressions for arrays, tuples, and circuits.
; Contains function call types. ; Contains function call types.
postfix-expression = primary-expression postfix-expression = primary-expression
/ postfix-expression "." natural / postfix-expression "." natural
/ postfix-expression "." identifier / postfix-expression "." identifier