# compiler

**Repository Path**: karl-super/compiler

## Basic Information

- **Project Name**: compiler
- **Description**: No description available
- **Primary Language**: Unknown
- **License**: MIT
- **Default Branch**: tmp3
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2021-11-02
- **Last Updated**: 2022-08-26

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# Compiler

## namespace

|namespace|dir|usage|
|---|---|---|
|compiler|this Project|top namespace|
|compiler::controller|src/controller|control the whole project work|
|compiler::front::ast|src/front/ast|AST node define|


## AST继承关系

* Node
  * Expression
    * FunctionDefArg
    * FunctionDefArgList
    * FunctionDefine
    * FunctionCallArgList
    * FunctionCall
    * CommaExpression :unuse
    * NumberExpression
    * LogicExpression
    * UnaryExpression
    * CalcExpression
    * ArrayInitVal
    * Statement
      * Block
      * DeclareStatement
      * AssignStmt
      * IfStatement
      * WhileStatement
      * BreakStatemet
      * ContinueStatement
      * VoidStatement
      * ReturnStatement
  * FunctionDefArg
  * Identifier
    * ArrayIdentifier
  * Declare
    * VarDeclare
    * VarDeclareWithInit
    * ConstDeclare
    * ArrayDeclare
    * ConstArray
    * ArrayDeclareWithInit


## IR定义

|符号|意义|
|---|---|
|%|局部变量|
|@|全局变量|

|操作|定义|形式|
|---|---|---|
|add|+|%arg1 = add %op1  %op2|
|sub|-|%arg1 = sub %op1  %op2|
|mul|*||
|div|/||
|mod|%||
|cmp| |%res1 = cmp %arg1 %arg2|
|jmp| |jmp label|
|jg|大于跳转|jg label|
|jge|大于等于跳转|jge label|
|je|等于跳转|je label|
|jne|不等于跳转|jne label|
|jl|小于|jl label|
|jle|小于等于跳转|jle label|
|=| |%arg1 = %arg2|
|and| | |
|or| | |
|not| | |
|xor| | |
|sal|%res1 = %op1 << %op2 |%res1 = sal %op1 %op2|
|sar|%res1 = %op1 >> %op2 |%res1 = sar %op1 %op2|
|store|%op1 =  %op2装载到内存|store %op1 %op2|
|load|%op1 = %op2内存转载到寄存器|load %op1 %op2 |
|label| |label labelName |
|nop| | |