mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
33 lines
1.6 KiB
Plaintext
33 lines
1.6 KiB
Plaintext
ContractDefinition = 'contract' Identifier '{' ContractPart* '}'
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ContractPart = VariableDeclaration ';' | StructDefinition ';' |
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FunctionDefinition ';' | 'public:' | 'private:'
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StructDefinition = 'struct' Identifier '{'
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( VariableDeclaration (';' VariableDeclaration)* )? '}
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FunctionDefinition = 'function' Identifier ArgumentList 'const'?
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'returns' ArgumentList Block
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ArgumentList = '(' ( VariableDeclaration (',' VariableDeclaration)* )? ')'
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// semantic restriction: mappings and structs (recursively) containing mappings
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// are not allowed in argument lists
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VariableDeclaration = TypeName Identifier
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TypeName = PredefinedType | Identifier | MappingType
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MappingType = 'mapping' '(' SimplePredefinedType '=>' TypeName ')'
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Block = '{' Statement* '}'
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Statement = IfStatement | WhileStatement | Continue | Break | Return | VariableAssignment | Expression ';' | Block
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IfStatement = 'if' '(' Expression ')' Statement ( 'else' Statement )?
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WhileStatement = 'while' '(' Expression ')' Statement
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Continue = 'continue' ';'
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Break = 'break' ';'
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Return = 'return' Expression? ';'
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VariableAssignment = VariableDeclaration ( AssignmentOp Expression )? ';'
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Expression = Assignment | UnaryOperation | BinaryOperation | FunctionCall | IndexAccess | MemberAccess | PrimaryExpression
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Assignment = Expression (AssignmentOp Expression)
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FunctionCall = Identifier '(' ( Expression ( ',' Expression )* ) ')'
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MemberAccess = Expression '.' Identifier
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IndexAccess = Expression '[' Expresison ']'
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PrimaryExpression = Identifier | NumberLiteral | StringLiteral | '(' Expression ')'
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