Go Garmmar

Go Garmmar：packageclause、importdecl、topleveledcl.

Go Grammar

• SourceFile
  • PackageClause
  • ImportDecl
  • TopLevelDecl
    • Declaration
      • ConstDecl
        • ExpressionList
          • Expression
            • UnaryExpr
              • unary_op
                • "+" | "-" | "!" | "^" | "*" | "&" | "<-"
              • PrimaryExpr
                • Operand
                  • Literal
                    • BasicLit
                      • int_lit
                      • float_lit
                      • imaginary_lit
                      • rune_lit
                      • string_lit
                    • CompositeLit
                      • ArrayType
                      • SliceType
                      • StructType
                      • MapType
                    • FunctionLit
                      • Signature
                      • FunctionBody
                • Conversion
                • MethodExpr
                • Selector
                • Index
                • Slice
                • TypeAssertion
            • BinaryExpr
              • binary_op
                • "||" | "&&" | "==" | "!=" | "<" | "<=" | ">" | ">="| "+" | "-" | "|" | "^"| "*" | "/" | "%" | "<<" | ">>" | "&" | "&^"
              • Expression
      • TypeDecl
        • AliasDecl
        • TypeDef
          • identifier
          • Type
            • TypeName
              • identifier
                • int,uint, ...
              • QualifiedIdent
            • TypeLit
              • ArrayType
              • SliceType
              • StructType
              • PointerType
              • FunctionType
              • InterfaceType
              • MapType
              • ChannelType
      • VarDecl
        • ExpressionList
    • FunctionDecl
      • FunctionName
      • Signature
        • Parameters
        • Result
      • FunctionBody
    • MethodDecl
      • Receiver
      • MethodName
      • Signature
        • Parameters
          • ParameterList
            • ParameterDecl
              • IdentifierList
              • Type
        • Result
          • Parameters
          • Type
      • FunctionBody
        • Block
          • StatementList
            • Statement
              • SimpleStmt
                • EmptyStmt
                • Declaration
                • ExpressionStmt
                • SendStmt
                • IncDecStmt
                • Assignment
                • ShortVarDecl
              • Control Flow
                • LabeledStmt
                • GotoStmt
                • IfStmt
                • SwitchStmt
                • ForStmt
                • BreakStmt
                • ContinueStmt
                • ReturnStmt
                • FallthroughStmt
              • Go itserlf
                • SelectStmt
                • GoStmt
                • DeferStmt
              • Block