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Correctly parse ambiguities like A.B[10] x and x.y[10] = 3.

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chriseth
2015-10-16 16:12:25 +02:00
parent 452d473293
commit 87079bd3fd
4 changed files with 99 additions and 27 deletions
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libsolidity/Parser.h
+4 -4
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@@ -125,14 +125,14 @@ private:
/// For source code of the form "a[][8]" ("IndexAccessStructure"), this is not possible to
/// decide with constant look-ahead.
LookAheadInfo peekStatementType() const;
/// Returns a typename parsed in look-ahead fashion from something like "a[8][2**70]".
/// Returns a typename parsed in look-ahead fashion from something like "a.b[8][2**70]".
ASTPointer<TypeName> typeNameIndexAccessStructure(
ASTPointer<PrimaryExpression> const& _primary,
std::vector<ASTPointer<PrimaryExpression>> const& _path,
std::vector<std::pair<ASTPointer<Expression>, SourceLocation>> const& _indices
);
/// Returns an expression parsed in look-ahead fashion from something like "a[8][2**70]".
/// Returns an expression parsed in look-ahead fashion from something like "a.b[8][2**70]".
ASTPointer<Expression> expressionFromIndexAccessStructure(
ASTPointer<PrimaryExpression> const& _primary,
std::vector<ASTPointer<PrimaryExpression>> const& _path,
std::vector<std::pair<ASTPointer<Expression>, SourceLocation>> const& _indices
);
/// If current token value is not _value, throw exception otherwise advance token.