Compiler/test.tree at master · Sara-HY/Compiler · GitHub

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Program
	ExtDefList
		ExtDef
			Specifier
				TYPE
					int
			FunDec
				Iden: func
				(
				VarList
					ParamDec
						Specifier
							TYPE
								int
						VarDec
							Iden: n
				)
			CompSt
				{
				StmtList
					Stmt
						if
						(
						Exp
							Iden: n
							==
							Exp
								INT_NUM: 1
						)
						Stmt
							return
							Exp
								INT_NUM: 1
							;
						else
						Stmt
							return
							Exp
								Iden: n
								*
								Exp
									Iden: func
									(
									Args
										Exp
											Iden: n
											-
											Exp
												INT_NUM: 1
									)
							;
				}
		ExtDefList
			ExtDef
				Specifier
					TYPE
						int
				FunDec
					Iden: main
					(
					)
				CompSt
					{
					DefList
						Def
							Specifier
								TYPE
									int
							DefList
								Dec
									VarDec
										Iden: n
								,
								DecList
									Dec
										VarDec
											Iden: result
							;
					StmtList
						Stmt
							Exp
								Iden: n
								=
								Exp
									Iden: read
									(
									)
							;
						StmtList
							Stmt
								Exp
									Iden: result
									=
									Exp
										Iden: func
										(
										Args
											Iden: n
										)
								;
							StmtList
								Stmt
									Exp
										Iden: write
										(
										Args
											Iden: result
										)
									;
								StmtList
									Stmt
										return
										Exp
											INT_NUM: 0
										;
					}