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2.9.1 缺少左中括号...............................................................................................................20
2.9.2 缺少 OF 关键字............................................................................................................21
2.9.3 数组元素识别失败......................................................................................................21
2.9.4 不完整的数组类型......................................................................................................22
2.10 测试 period ............................................................................................................................23
2.10.1 缺少逗号........................................................................................................................23
2.10.2 缺少双点号....................................................................................................................24
2.11 测试 subprogram_declarations........................................................................................24
2.11.1 子程序体尾部缺少分号.............................................................................................25
2.12 测试 subprogram_head......................................................................................................25
2.12.1 函数名缺失....................................................................................................................25
2.12.2 缺少冒号........................................................................................................................26
2.12.3 缺少基本类型关键字 .................................................................................................26
2.12.4 不完整的函数头 ..........................................................................................................27
2.12.5 不完整的过程头 ..........................................................................................................27
2.13 测试 formal_parameter ......................................................................................................27
2.13.1 不完整的形参列表......................................................................................................28
2.13.2 右括号缺失....................................................................................................................28
2.14 测试 parameter_list..............................................................................................................28
2.14.1 缺少分号........................................................................................................................29
2.15 测试 var_parameter .............................................................................................................29
2.15.1 不完整的引用参数列表.............................................................................................29
2.16 测试 value_parameter.........................................................................................................30
2.16.1 缺少冒号........................................................................................................................30
2.16.2 缺少基本类型关键字 .................................................................................................30
2.17 测试 compound_statement ..............................................................................................31
2.17.1 缺少 end 关键字..........................................................................................................31
2.18 测试 statement_list ..............................................................................................................31
2.18.1 缺少分号........................................................................................................................31
2.19 测试 statement......................................................................................................................32
2.19.1 IF 语句缺少 then 关键字...........................................................................................32
2.19.2 FOR 语句缺少赋值号 .................................................................................................32
2.19.3 FOR 语句缺少关键字 to............................................................................................33
2.19.4 FOR 语句缺少关键字 do...........................................................................................33
2.19.5 WHILE 语句缺少关键字 do ......................................................................................34
2.19.6 REPEAT 语句缺少关键字 until.................................................................................34
2.20 测试 id_varpart......................................................................................................................35
2.20.1 缺少右中括号...............................................................................................................35
2.20.2 不完整的数组下标列表.............................................................................................36
2.21 测试 procedure_call.............................................................................................................36
2.21.1 缺少右括号....................................................................................................................36
2.22 测试 expression_list .............................................................................................................37
2.22.1 缺少逗号........................................................................................................................37
2.23 测试 simple _expression.....................................................................................................37
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