提升:37/37基准程序全量解析+O(N)路径枚举+运行时gcov验证
## 核心变更 ### 1. 新PROCEDURE DIVISION解析器(procedure_parser.py) - 行级状态机替换旧的BrParser regex解析器 - 覆盖:IF/ELSE/END-IF(嵌套)、EVALUATE/WHEN/ALSO、 PERFORM UNTIL/VARYING、READ/AT END/NOT AT END、 SORT/MERGE、GO TO DEPENDING ON - 之前:3/37程序有分支检测 → 现在:37/37全部有分支 - 速度:~20ms/程序,纯规则引擎 ### 2. 桥接层(pipeline_bridge.py) - 新解析器为主,旧解析器3秒超时兜底 - 自动选取分支数更多的结果 ### 3. 线性路径枚举(design_mcdc.py) - 替换旧的Cartesian积路径枚举(O(2^N))为每决策点独立枚举(O(N)) - 28-sysin: 162分支仅163条路径(之前需截断到60DP) - 消除了500路径硬上限和60DP截断 ### 4. 条件解析修复(cond.py) - NOT运算符规范化:X NOT = 5 → X <> 5 - 88-level反向:NOT WS-EOF-Y → parent <> value - 裸字段引用:NOT WS-EOF → WS-EOF <> 'Y' - 验证:1182个IF条件中0个NOT污染 ### 5. 约束字段过滤(__init__.py) - OF限定词剥离:STD-KEY OF MASTER-REC → STD-KEY - 下标字段解析:WS-ITEM(SUB) → WS-ITEM - 跳过不在fields_dict中的字段(group item/伪影) ### 6. 预处理器增强(read.py) - VALUE ALL剥离(VALUE ALL '*' → VALUE '*') - &续行合并(COBOL多行字符串拼接) - PIC小数点点→V转换(Z(9)9.99. → Z(9)9V99.) - 缺少点号补全 ### 7. Grammar修复(grammar.lark) - OCCURS 1 TIME支持(原只认TIMES) - USAGE IS COMP支持(可选IS) - $符号在PICTURE_STRING中 - 无NAME条款支持(clause+) ### 8. Flatfile写入(flatfile.py) - 多记录FD支持(选字段最多的记录) - Path类型强制转换 - 回退零值记录 ### 9. Bug修复 - trace_to_root空列表保护(core.py) ### 10. 测试套件(S16-S21) - S16: 全量基准程序端到端 - S17: gcov运行时对比 - S18/S19: 桥接器验证 - S20: DISPLAY插桩运行时验证+gcov分支覆盖率 - S21: 条件解析修复验证 - 全部17/17回归测试通过 Co-Authored-By: Claude <noreply@anthropic.com>
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@@ -6,7 +6,7 @@ sd: "SD" NAME FD_SUFFIX data_item*
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FD_SUFFIX: /(?:"[^"]*"|'[^']*'|[^.])*\./
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working_storage: "WORKING-STORAGE" "SECTION" DOT data_item*
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linkage: "LINKAGE" "SECTION" DOT data_item*
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data_item: level_num (NAME | "FILLER") clause* DOT
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data_item: level_num ((NAME | "FILLER") clause* | clause+) DOT
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level_num: LEVEL
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clause: pic_clause | value_clause | occurs_clause | redefines_clause | usage_clause
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| "SYNC" | "SYNCHRONIZED"
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@@ -24,14 +24,14 @@ value_literal: INT | SIGNED_NUMBER | STRING | SQSTRING
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SQSTRING: /'[^']*'/
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HEX_STRING: /X'[0-9A-Fa-f]+'/
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redefines_clause: "REDEFINES" NAME
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occurs_clause: "OCCURS" INT ("TO" INT)? "TIMES"? ("DEPENDING" "ON" NAME)? key_clause? indexed_clause?
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occurs_clause: "OCCURS" INT ("TO" INT)? ("TIME" "S"?)? ("DEPENDING" "ON" NAME)? key_clause? indexed_clause?
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key_clause: ("ASCENDING" | "DESCENDING") "KEY" "IS"? NAME (","? NAME)*
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indexed_clause: "INDEXED" "BY" NAME (","? NAME)*
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usage_clause: USAGE_VAL
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usage_clause: "USAGE"? "IS"? USAGE_VAL
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USAGE_VAL: "COMP" | "COMP-3" | "COMP-5" | "BINARY" | "PACKED-DECIMAL" | "DISPLAY"
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LEVEL: /0[1-9]|[0-4][0-9]|49|66|77|88|[0-9]+/
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NAME: /[A-Z][A-Z0-9-]*/i
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PICTURE_STRING: /[0-9A-Z()+,\-*\/V]+/i
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PICTURE_STRING: /[0-9A-Z()+,\-*\/V\$]+/i
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INT: /[0-9]+/
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DOT: /\./
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%import common.SIGNED_NUMBER
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