1. It's a git test, which means I'm totally a green hand.
2. It's just one of my assignment, and it may not satisfy you.
3. Ignore my bad code style...
4. Most of the work done in Visual Studio Code

Step 1: Clone my repository to your workplace via git
Step 2: cd My-Compiler-Syntax-Checking-Project && make && ./target
Step 3: <input your testing code>
tip: In the last Step, press Ctrl+D to finish inputting.

Step 1: Create a None-file ConsoleApplication in VS
Step 2: Import the *.h and *.cpp files
Step 3: Click Run Button and a terminal Window will pop up
Step 4: <input your testing code>
tip: In the last Step, press Ctrl+Z to finish inputting.

Step 1: Change directory to your current workspace in cmd or powershell
Step 2: Write a batch script(compiler.bat): g++ main.cpp Syntax.h Syntax.cpp Word_info.h -o target
Step 3: Run compiler.bat file by typing .\compiler.bat and keep waiting while compiling
Step 4: After Step 3, input .\target to begin Syntax Checking
Step 5: <input your testing code>
tip: In the last Step, press Ctrl+Z to finish inputting.

Program(A) → ExtDefList(B)
ExtDefList(B) → ExtDef(C) ExtDefList(B) | ɛ
ExtDef(C) → Specifier(D) FunDec(E) Compst(F)

Specifier(D) → TYPE

VarDec(G) → ID
FunDec(E) → ID LP RP

Compst(F) → LC DefList(H) StmtList(I) RC
StmtList(I) → Stmt(J) StmtList(I) | ɛ
Stmt(J) → Exp(K) SEMI | RETURN Exp(K) SEMI

DefList(H) → Def(L) DefList(H) | ɛ
Def(L) → Specifier(D) DecList(M) SEMI
DecList(M) → Dec(N)
Dec(N) → VarDec(G) ASSIGNOP Exp(K)

Exp(K) → LP Exp(K) RP | NOT Exp(K) | INT | ID

1.2.1 A → B
1.2.2 B → C B | ɛ
1.2.3 C → D E F

1.3.1 D → TYPE

1.4.1 G → ID
1.4.2 E → ID LP RP

1.5.1 F → LC H I RC
1.5.2 I → J I | ɛ
1.5.3 J → K SEMI | RETURN K SEMI

1.6.1 H → L H | ɛ
1.6.2 L → D M SEMI
1.6.3 M → N
1.6.4 N → G ASSIGNOP K

1.7.1 K → LP K RP | NOT K | INT | ID