Add code generation analyses for some expressions

1. MccMethodCallExpression
2. MccBinaryOperatorExpression
3. MccUnaryOperatorExpression
Add code generation analyses for some statements and declarations

1. MccBreakStatement
2. MccContinueStatement
3. MccReturnStatement
4. MccIfStatement
5. MccWhileStatement
6. MccVariableDeclaration
7. MccFunctionDeclaration