mirror of
https://github.com/ProvableHQ/leo.git
synced 2024-11-23 23:23:50 +03:00
optional comma at end of member variables
This commit is contained in:
gluax
parent
30d80d191f
commit
282cbb8840
@ -476,7 +476,7 @@ Line terminators form whitespace, along with spaces and horizontal tabs.
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whitespace = space / horizontal-tab / newline
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```
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Go to: _[horizontal-tab](#user-content-horizontal-tab), [space](#user-content-space), [newline](#user-content-newline)_;
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Go to: _[space](#user-content-space), [horizontal-tab](#user-content-horizontal-tab), [newline](#user-content-newline)_;
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There are two kinds of comments in Leo, as in other languages.
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@ -494,7 +494,7 @@ the ones used in the Java language reference.
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comment = block-comment / end-of-line-comment
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```
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Go to: _[block-comment](#user-content-block-comment), [end-of-line-comment](#user-content-end-of-line-comment)_;
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Go to: _[end-of-line-comment](#user-content-end-of-line-comment), [block-comment](#user-content-block-comment)_;
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<a name="block-comment"></a>
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@ -511,7 +511,7 @@ rest-of-block-comment = "*" rest-of-block-comment-after-star
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/ not-star rest-of-block-comment
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```
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Go to: _[rest-of-block-comment](#user-content-rest-of-block-comment), [not-star](#user-content-not-star), [rest-of-block-comment-after-star](#user-content-rest-of-block-comment-after-star)_;
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Go to: _[rest-of-block-comment-after-star](#user-content-rest-of-block-comment-after-star), [rest-of-block-comment](#user-content-rest-of-block-comment), [not-star](#user-content-not-star)_;
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<a name="rest-of-block-comment-after-star"></a>
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@ -521,7 +521,7 @@ rest-of-block-comment-after-star = "/"
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/ not-star-or-slash rest-of-block-comment
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```
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Go to: _[rest-of-block-comment-after-star](#user-content-rest-of-block-comment-after-star), [rest-of-block-comment](#user-content-rest-of-block-comment), [not-star-or-slash](#user-content-not-star-or-slash)_;
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Go to: _[not-star-or-slash](#user-content-not-star-or-slash), [rest-of-block-comment-after-star](#user-content-rest-of-block-comment-after-star), [rest-of-block-comment](#user-content-rest-of-block-comment)_;
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<a name="end-of-line-comment"></a>
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@ -639,7 +639,7 @@ format-string-element = not-double-quote-or-open-brace
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/ format-string-container
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```
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Go to: _[not-double-quote-or-open-brace](#user-content-not-double-quote-or-open-brace), [not-double-quote-or-close-brace](#user-content-not-double-quote-or-close-brace), [format-string-container](#user-content-format-string-container)_;
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Go to: _[format-string-container](#user-content-format-string-container), [not-double-quote-or-open-brace](#user-content-not-double-quote-or-open-brace), [not-double-quote-or-close-brace](#user-content-not-double-quote-or-close-brace)_;
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<a name="format-string"></a>
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@ -764,7 +764,7 @@ atomic-literal = untyped-literal
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/ address-literal
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```
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Go to: _[product-group-literal](#user-content-product-group-literal), [address-literal](#user-content-address-literal), [boolean-literal](#user-content-boolean-literal), [unsigned-literal](#user-content-unsigned-literal), [field-literal](#user-content-field-literal), [untyped-literal](#user-content-untyped-literal), [signed-literal](#user-content-signed-literal)_;
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Go to: _[signed-literal](#user-content-signed-literal), [untyped-literal](#user-content-untyped-literal), [boolean-literal](#user-content-boolean-literal), [field-literal](#user-content-field-literal), [unsigned-literal](#user-content-unsigned-literal), [product-group-literal](#user-content-product-group-literal), [address-literal](#user-content-address-literal)_;
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After defining the (mostly) alphanumeric tokens above,
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@ -809,7 +809,7 @@ token = keyword
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/ symbol
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```
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Go to: _[annotation-name](#user-content-annotation-name), [symbol](#user-content-symbol), [atomic-literal](#user-content-atomic-literal), [identifier](#user-content-identifier), [package-name](#user-content-package-name), [keyword](#user-content-keyword), [format-string](#user-content-format-string)_;
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Go to: _[keyword](#user-content-keyword), [format-string](#user-content-format-string), [annotation-name](#user-content-annotation-name), [atomic-literal](#user-content-atomic-literal), [identifier](#user-content-identifier), [package-name](#user-content-package-name), [symbol](#user-content-symbol)_;
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@ -866,7 +866,7 @@ group-type = %s"group"
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arithmetic-type = integer-type / field-type / group-type
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```
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Go to: _[group-type](#user-content-group-type), [integer-type](#user-content-integer-type), [field-type](#user-content-field-type)_;
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Go to: _[field-type](#user-content-field-type), [integer-type](#user-content-integer-type), [group-type](#user-content-group-type)_;
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The arithmetic types, along with the boolean and address types,
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@ -887,7 +887,7 @@ address-type = %s"address"
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scalar-type = boolean-type / arithmetic-type / address-type
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```
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Go to: _[arithmetic-type](#user-content-arithmetic-type), [address-type](#user-content-address-type), [boolean-type](#user-content-boolean-type)_;
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Go to: _[boolean-type](#user-content-boolean-type), [address-type](#user-content-address-type), [arithmetic-type](#user-content-arithmetic-type)_;
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Circuit types are denoted by identifiers and the keyword `Self`.
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@ -927,7 +927,7 @@ or a tuple of one or more dimensions.
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array-type = "[" type ";" array-dimensions "]"
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```
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Go to: _[type](#user-content-type), [array-dimensions](#user-content-array-dimensions)_;
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Go to: _[array-dimensions](#user-content-array-dimensions), [type](#user-content-type)_;
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<a name="array-dimensions"></a>
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@ -948,7 +948,7 @@ i.e. types whose values contain (sub-)values
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aggregate-type = tuple-type / array-type / circuit-type
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```
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Go to: _[array-type](#user-content-array-type), [circuit-type](#user-content-circuit-type), [tuple-type](#user-content-tuple-type)_;
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Go to: _[circuit-type](#user-content-circuit-type), [tuple-type](#user-content-tuple-type), [array-type](#user-content-array-type)_;
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Scalar and aggregate types form all the types.
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@ -994,7 +994,7 @@ A literal is either an atomic one or an affine group literal.
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literal = atomic-literal / affine-group-literal
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```
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Go to: _[affine-group-literal](#user-content-affine-group-literal), [atomic-literal](#user-content-atomic-literal)_;
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Go to: _[atomic-literal](#user-content-atomic-literal), [affine-group-literal](#user-content-affine-group-literal)_;
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The following rule is not directly referenced in the rules for expressions
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@ -1007,7 +1007,7 @@ a group literal is either a product group literal or an affine group literal.
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group-literal = product-group-literal / affine-group-literal
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```
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Go to: _[affine-group-literal](#user-content-affine-group-literal), [product-group-literal](#user-content-product-group-literal)_;
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Go to: _[product-group-literal](#user-content-product-group-literal), [affine-group-literal](#user-content-affine-group-literal)_;
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As often done in grammatical language syntax specifications,
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@ -1036,7 +1036,7 @@ primary-expression = identifier
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/ circuit-expression
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```
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Go to: _[array-expression](#user-content-array-expression), [tuple-expression](#user-content-tuple-expression), [circuit-expression](#user-content-circuit-expression), [identifier](#user-content-identifier), [literal](#user-content-literal), [expression](#user-content-expression)_;
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Go to: _[identifier](#user-content-identifier), [expression](#user-content-expression), [tuple-expression](#user-content-tuple-expression), [literal](#user-content-literal), [array-expression](#user-content-array-expression), [circuit-expression](#user-content-circuit-expression)_;
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Tuple expressions construct tuples.
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@ -1089,7 +1089,7 @@ Go to: _[expression](#user-content-expression)_;
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array-repeat-construction = "[" expression ";" array-dimensions "]"
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```
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Go to: _[array-dimensions](#user-content-array-dimensions), [expression](#user-content-expression)_;
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Go to: _[expression](#user-content-expression), [array-dimensions](#user-content-array-dimensions)_;
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<a name="array-construction"></a>
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@ -1125,7 +1125,7 @@ circuit-construction = circuit-type "{"
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"}"
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```
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Go to: _[circuit-inline-element](#user-content-circuit-inline-element), [circuit-type](#user-content-circuit-type)_;
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Go to: _[circuit-type](#user-content-circuit-type), [circuit-inline-element](#user-content-circuit-inline-element)_;
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<a name="circuit-inline-element"></a>
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@ -1184,7 +1184,7 @@ postfix-expression = primary-expression
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/ postfix-expression "[" [expression] ".." [expression] "]"
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```
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Go to: _[natural](#user-content-natural), [identifier](#user-content-identifier), [postfix-expression](#user-content-postfix-expression), [circuit-type](#user-content-circuit-type), [function-arguments](#user-content-function-arguments), [primary-expression](#user-content-primary-expression), [expression](#user-content-expression)_;
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Go to: _[function-arguments](#user-content-function-arguments), [circuit-type](#user-content-circuit-type), [postfix-expression](#user-content-postfix-expression), [primary-expression](#user-content-primary-expression), [identifier](#user-content-identifier), [natural](#user-content-natural), [expression](#user-content-expression)_;
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Unary operators have the highest operator precedence.
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@ -1236,7 +1236,7 @@ additive-expression = multiplicative-expression
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/ additive-expression "-" multiplicative-expression
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```
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Go to: _[multiplicative-expression](#user-content-multiplicative-expression), [additive-expression](#user-content-additive-expression)_;
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Go to: _[additive-expression](#user-content-additive-expression), [multiplicative-expression](#user-content-multiplicative-expression)_;
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Next in the precedence order are ordering relations.
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@ -1299,7 +1299,7 @@ conditional-expression = disjunctive-expression
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":" conditional-expression
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```
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Go to: _[disjunctive-expression](#user-content-disjunctive-expression), [conditional-expression](#user-content-conditional-expression), [expression](#user-content-expression)_;
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Go to: _[expression](#user-content-expression), [disjunctive-expression](#user-content-disjunctive-expression), [conditional-expression](#user-content-conditional-expression)_;
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Those above are all the expressions.
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@ -1332,7 +1332,7 @@ statement = expression-statement
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/ block
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```
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Go to: _[loop-statement](#user-content-loop-statement), [conditional-statement](#user-content-conditional-statement), [constant-declaration](#user-content-constant-declaration), [expression-statement](#user-content-expression-statement), [variable-declaration](#user-content-variable-declaration), [assignment-statement](#user-content-assignment-statement), [console-statement](#user-content-console-statement), [return-statement](#user-content-return-statement), [block](#user-content-block)_;
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Go to: _[return-statement](#user-content-return-statement), [variable-declaration](#user-content-variable-declaration), [constant-declaration](#user-content-constant-declaration), [expression-statement](#user-content-expression-statement), [conditional-statement](#user-content-conditional-statement), [console-statement](#user-content-console-statement), [block](#user-content-block), [assignment-statement](#user-content-assignment-statement), [loop-statement](#user-content-loop-statement)_;
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<a name="block"></a>
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@ -1373,7 +1373,7 @@ variable-declaration = %s"let" identifier-or-identifiers [ ":" type ] "=" expres
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constant-declaration = %s"const" identifier-or-identifiers [ ":" type ] "=" expression ";"
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```
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Go to: _[type](#user-content-type), [expression](#user-content-expression), [identifier-or-identifiers](#user-content-identifier-or-identifiers)_;
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Go to: _[identifier-or-identifiers](#user-content-identifier-or-identifiers), [type](#user-content-type), [expression](#user-content-expression)_;
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@ -1407,7 +1407,7 @@ conditional-statement = branch
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/ branch %s"else" conditional-statement
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```
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Go to: _[branch](#user-content-branch), [block](#user-content-block), [conditional-statement](#user-content-conditional-statement)_;
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Go to: _[branch](#user-content-branch), [conditional-statement](#user-content-conditional-statement), [block](#user-content-block)_;
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A loop statement implicitly defines a loop variable
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@ -1463,7 +1463,7 @@ console-call = assert-call
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/ print-call
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```
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Go to: _[assert-call](#user-content-assert-call), [print-call](#user-content-print-call)_;
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Go to: _[print-call](#user-content-print-call), [assert-call](#user-content-assert-call)_;
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<a name="assert-call"></a>
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@ -1522,7 +1522,7 @@ function-declaration = *annotation %s"function" identifier
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block
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```
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Go to: _[block](#user-content-block), [identifier](#user-content-identifier), [function-parameters](#user-content-function-parameters), [type](#user-content-type)_;
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Go to: _[identifier](#user-content-identifier), [block](#user-content-block), [type](#user-content-type), [function-parameters](#user-content-function-parameters)_;
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<a name="function-parameters"></a>
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@ -1532,7 +1532,7 @@ function-parameters = self-parameter
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/ function-inputs
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```
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Go to: _[function-inputs](#user-content-function-inputs), [self-parameter](#user-content-self-parameter)_;
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Go to: _[self-parameter](#user-content-self-parameter), [function-inputs](#user-content-function-inputs)_;
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<a name="self-parameter"></a>
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@ -1553,7 +1553,7 @@ Go to: _[function-input](#user-content-function-input)_;
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function-input = [ %s"const" ] identifier ":" type
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```
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Go to: _[type](#user-content-type), [identifier](#user-content-identifier)_;
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Go to: _[identifier](#user-content-identifier), [type](#user-content-type)_;
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A circuit member variable declaration consists of an identifier and a type.
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@ -1561,10 +1561,10 @@ A circuit member function declaration consists of a function declaration.
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<a name="member-variable-declaration"></a>
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```abnf
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member-variable-declaration = identifier ":" type ( "," / ";" )
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member-variable-declaration = *(identifier ":" type ( "," / ";" )) identifier ":" type ( [ "," ] / ";" )
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```
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Go to: _[type](#user-content-type), [identifier](#user-content-identifier)_;
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Go to: _[identifier](#user-content-identifier), [type](#user-content-type)_;
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<a name="member-function-declaration"></a>
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@ -1613,7 +1613,7 @@ package-path = "*"
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/ "(" package-path *( "," package-path ) [","] ")"
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```
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Go to: _[package-name](#user-content-package-name), [identifier](#user-content-identifier), [package-path](#user-content-package-path)_;
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Go to: _[identifier](#user-content-identifier), [package-path](#user-content-package-path), [package-name](#user-content-package-name)_;
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Finally, we define a file as a sequence of zero or more declarations.
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@ -1626,7 +1626,7 @@ declaration = import-declaration
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/ constant-declaration
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```
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Go to: _[circuit-declaration](#user-content-circuit-declaration), [function-declaration](#user-content-function-declaration), [constant-declaration](#user-content-constant-declaration), [import-declaration](#user-content-import-declaration)_;
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Go to: _[import-declaration](#user-content-import-declaration), [constant-declaration](#user-content-constant-declaration), [function-declaration](#user-content-function-declaration), [circuit-declaration](#user-content-circuit-declaration)_;
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<a name="file"></a>
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@ -938,7 +938,7 @@ function-input = [ %s"const" ] identifier ":" type
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; A circuit member variable declaration consists of an identifier and a type.
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; A circuit member function declaration consists of a function declaration.
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member-variable-declaration = identifier ":" type ( "," / ";" )
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member-variable-declaration = *(identifier ":" type ( "," / ";" )) identifier ":" type ( [ "," ] / ";" )
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member-function-declaration = function-declaration
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@ -282,12 +282,24 @@ impl ParserContext {
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///
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pub fn parse_circuit_declaration(&mut self) -> SyntaxResult<Vec<CircuitMember>> {
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let mut members = Vec::new();
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while self.eat(Token::RightCurly).is_none() {
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let peeked = &self.peek()?.token;
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if !(peeked == &Token::Function || peeked == &Token::At) {
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let variable = self.parse_member_variable_declaration()?;
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let mut last_variable = peeked == &Token::Function || peeked == &Token::At;
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while self.eat(Token::RightCurly).is_none() {
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if !last_variable {
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let (variable, last) = self.parse_member_variable_declaration()?;
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members.push(variable);
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if !last {
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self.expect_oneof(&[Token::Comma, Token::Semicolon])?;
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} else {
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last_variable = last;
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let peeked = &self.peek()?.token;
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if peeked == &Token::Semicolon {
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self.expect(Token::Semicolon)?;
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} else {
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self.eat(Token::Comma);
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}
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}
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} else {
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let function = self.parse_member_function_declaration()?;
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members.push(function);
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@ -301,14 +313,19 @@ impl ParserContext {
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/// Returns a [`CircuitMember`] AST node if the next tokens represent a circuit member variable
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/// or circuit member function.
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///
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pub fn parse_member_variable_declaration(&mut self) -> SyntaxResult<CircuitMember> {
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pub fn parse_member_variable_declaration(&mut self) -> SyntaxResult<(CircuitMember, bool)> {
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let name = self.expect_ident()?;
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self.expect(Token::Colon)?;
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let type_ = self.parse_type()?.0;
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self.expect_oneof(&[Token::Comma, Token::Semicolon])?;
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let peeked = &self.peek()?;
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let peeked_token = &peeked.token;
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Ok(CircuitMember::CircuitVariable(name, type_))
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if peeked_token == &Token::Function || peeked_token == &Token::At || peeked_token == &Token::RightCurly {
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return Ok((CircuitMember::CircuitVariable(name, type_), true));
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}
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Ok((CircuitMember::CircuitVariable(name, type_), false))
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}
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///
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@ -324,13 +341,7 @@ impl ParserContext {
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} else {
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Err(SyntaxError::unexpected(
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peeked_token,
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&[
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Token::Import,
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Token::Circuit,
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Token::Function,
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Token::Ident("test".into()),
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Token::At,
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],
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&[Token::Function, Token::At],
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&peeked.span,
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))
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}
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