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authorLefteris Karapetsas <lefteris@refu.co>2015-08-19 20:57:25 +0800
committerLefteris Karapetsas <lefteris@refu.co>2015-08-19 20:57:25 +0800
commit1690f1c947b1b1bfaf84d0a586d2a56ffed11f37 (patch)
treecbf27ebb57b629ae7a4a10cc1342a359481de7d3 /libsolidity/grammar.txt
parent2f41438715137e7f123481b2ca8e163a4d35bd78 (diff)
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Add CMakeLists.txt for libsolidity
Diffstat (limited to 'libsolidity/grammar.txt')
-rw-r--r--libsolidity/grammar.txt47
1 files changed, 47 insertions, 0 deletions
diff --git a/libsolidity/grammar.txt b/libsolidity/grammar.txt
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+ContractDefinition = 'contract' Identifier
+ ( 'is' InheritanceSpecifier (',' InheritanceSpecifier )* )?
+ '{' ContractPart* '}'
+ContractPart = StateVariableDeclaration | StructDefinition | ModifierDefinition | FunctionDefinition | EnumDefinition
+
+InheritanceSpecifier = Identifier ( '(' Expression ( ',' Expression )* ')' )?
+StructDefinition = 'struct' Identifier '{'
+ ( VariableDeclaration (';' VariableDeclaration)* )? '}
+StateVariableDeclaration = TypeName ( 'public' | 'inheritable' | 'private' )? Identifier ';'
+ModifierDefinition = 'modifier' Identifier ParameterList? Block
+FunctionDefinition = 'function' Identifier ParameterList
+ ( Identifier | 'constant' | 'external' | 'public' | 'inheritable' | 'private' )*
+ ( 'returns' ParameterList )? Block
+
+EnumValue = Identifier
+EnumDefinition = 'enum' '{' EnumValue (',' EnumValue)* '}'
+ParameterList = '(' ( VariableDeclaration (',' VariableDeclaration)* )? ')'
+// semantic restriction: mappings and structs (recursively) containing mappings
+// are not allowed in argument lists
+VariableDeclaration = TypeName Identifier
+TypeName = ElementaryTypeName | Identifier | Mapping | ArrayTypeName
+Mapping = 'mapping' '(' ElementaryTypeName '=>' TypeName ')'
+ArrayTypeName = TypeName '[' (Expression)? ']'
+
+Block = '{' Statement* '}'
+Statement = IfStatement | WhileStatement | Block |
+ ( Continue | Break | Return | VariableDefinition | ExpressionStatement ) ';'
+
+ExpressionStatement = Expression
+IfStatement = 'if' '(' Expression ')' Statement ( 'else' Statement )?
+WhileStatement = 'while' '(' Expression ')' Statement
+VardefOrExprStmt = Variabledefinition | ExpressionStatement
+ForStatement = 'for' '(' (VardefOrExprStmt)? ';' (Expression)? ';' (ExpressionStatement)? ')' Statement
+Continue = 'continue' ';'
+Break = 'break' ';'
+Return = 'return' Expression? ';'
+VariableDefinition = VariableDeclaration ( = Expression )? ';'
+
+Expression = Assignment | UnaryOperation | BinaryOperation | FunctionCall | NewExpression | IndexAccess |
+ MemberAccess | PrimaryExpression
+// The expression syntax is actually much more complicated
+Assignment = Expression (AssignmentOp Expression)
+FunctionCall = Expression '(' Expression ( ',' Expression )* ')'
+NewExpression = 'new' Identifier
+MemberAccess = Expression '.' Identifier
+IndexAccess = Expression '[' (Expresison)? ']'
+PrimaryExpression = Identifier | NumberLiteral | StringLiteral | ElementaryTypeName | '(' Expression ')'