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Considering comments from @chriseth regarding ExpressionStatement and FunctionCall.

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walter-weinmann 2016-09-06 05:18:43 +02:00
parent 8f233b545f
commit 215fc04857
1 changed files with 6 additions and 4 deletions
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10
libsolidity/grammar.txt
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@ -45,11 +45,11 @@ Statement = IfStatement | WhileStatement | ForStatement | Block |
( PlaceholderStatement | Continue | Break | Return | ( PlaceholderStatement | Continue | Break | Return |
Throw | SimpleStatement ) ';' Throw | SimpleStatement ) ';'
ExpressionStatement = Expression | VariableDefinition ExpressionStatement = Expression
IfStatement = 'if' '(' Expression ')' Statement ( 'else' Statement )? IfStatement = 'if' '(' Expression ')' Statement ( 'else' Statement )?
WhileStatement = 'while' '(' Expression ')' Statement WhileStatement = 'while' '(' Expression ')' Statement
PlaceholderStatement = '_' PlaceholderStatement = '_'
SimpleStatement = ExpressionStatement SimpleStatement = VariableDefinition | ExpressionStatement
ForStatement = 'for' '(' (SimpleStatement)? ';' (Expression)? ';' (ExpressionStatement)? ')' Statement ForStatement = 'for' '(' (SimpleStatement)? ';' (Expression)? ';' (ExpressionStatement)? ')' Statement
Continue = 'continue' Continue = 'continue'
Break = 'break' Break = 'break'
@ -59,7 +59,7 @@ VariableDefinition = VariableDeclaration ( '=' Expression )?
// Precedence by order (see github.com/ethereum/solidity/pull/732) // Precedence by order (see github.com/ethereum/solidity/pull/732)
Expression = Expression =
( Expression ('++' | '--') | FunctionCall | IndexAccess | MemberAccess | NewExpression | ( TypeName? '(' Expression ')' ) ) ( Expression ('++' | '--') | FunctionCall | IndexAccess | MemberAccess | '(' Expression ')' )
| ('!' | '~' | 'delete' | '++' | '--' | '+' | '-') Expression | ('!' | '~' | 'delete' | '++' | '--' | '+' | '-') Expression
| Expression '**' Expression | Expression '**' Expression
| Expression ('*' | '/' | '%') Expression | Expression ('*' | '/' | '%') Expression
@ -79,10 +79,12 @@ Expression =
PrimaryExpression = Identifier | BooleanLiteral | NumberLiteral | StringLiteral PrimaryExpression = Identifier | BooleanLiteral | NumberLiteral | StringLiteral
FunctionCall = ( Identifier | MemberAccess ) '(' Expression? ( ',' Expression )* ')' FunctionCall = ( MemberAccessFunctionCall | IndexAccessFunctionCall ) '(' Expression? ( ',' Expression )* ')'
NewExpression = 'new' Identifier NewExpression = 'new' Identifier
MemberAccess = Expression '.' Identifier MemberAccess = Expression '.' Identifier
MemberAccessFunctionCall = ( PrimaryExpression | NewExpression | TypeName ) ( '.' ( PrimaryExpression | NewExpression | TypeName ) )*
IndexAccess = Expression '[' Expression? ']' IndexAccess = Expression '[' Expression? ']'
IndexAccessFunctionCall = ( PrimaryExpression | NewExpression | TypeName ) '[' Expression? ']'
BooleanLiteral = 'true' | 'false' BooleanLiteral = 'true' | 'false'
NumberLiteral = '0x'? [0-9]+ (' ' NumberUnit)? NumberLiteral = '0x'? [0-9]+ (' ' NumberUnit)?