Initial commit: COBOL+JCL credit card billing system with COMP-3, OCCURS, COPY REPLACING, INSPECT, and JCL runner

2026-05-25 12:27:00 +08:00
commit 8e551c35d9
17 changed files with 2080 additions and 0 deletions
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+"""
+JCL Runner - Main entry point.
+Usage: python main.py <jcl_file>
+"""
+
+import sys
+import argparse
+from pathlib import Path
+
+from parser import parse_jcl
+from executor import Executor
+
+
+def main():
+    parser = argparse.ArgumentParser(
+        description="JCL Runner - Execute JCL scripts on Windows"
+    )
+    parser.add_argument("jcl_file", help="Path to JCL script")
+    parser.add_argument(
+        "--root",
+        default=".",
+        help="System root directory (default: current dir)",
+    )
+    parser.add_argument(
+        "--cobol-dir",
+        default="cobol",
+        help="COBOL source directory (relative to root)",
+    )
+    parser.add_argument(
+        "--copybook-dir",
+        default="copybooks",
+        help="COPYBOOK directory (relative to root)",
+    )
+
+    args = parser.parse_args()
+
+    root = Path(args.root).resolve()
+    cobol_dir = root / args.cobol_dir
+    copybook_dir = root / args.copybook_dir
+
+    # Validate paths
+    if not root.exists():
+        print(f"ERROR: Root directory not found: {root}")
+        sys.exit(1)
+    if not cobol_dir.exists():
+        print(f"ERROR: COBOL directory not found: {cobol_dir}")
+        sys.exit(1)
+    if not copybook_dir.exists():
+        print(f"ERROR: COPYBOOK directory not found: {copybook_dir}")
+        sys.exit(1)
+
+    # Parse JCL
+    jcl_path = Path(args.jcl_file)
+    if not jcl_path.exists():
+        print(f"ERROR: JCL file not found: {jcl_path}")
+        sys.exit(1)
+
+    print(f"Parsing JCL: {jcl_path}")
+    job = parse_jcl(str(jcl_path))
+
+    if not job:
+        print("ERROR: Failed to parse JCL (no JOB statement found)")
+        sys.exit(1)
+
+    print(f"Job: {job.job_name}, Steps: {len(job.steps)}")
+    for i, step in enumerate(job.steps):
+        cond_str = f" COND={step.cond}" if step.cond else ""
+        print(f"  {i+1}. {step.step_name}: EXEC PGM={step.program}{cond_str}")
+
+    # Execute
+    executor = Executor(
+        root_dir=str(root),
+        cobol_dir=str(cobol_dir),
+        copybook_dir=str(copybook_dir),
+    )
+    rc = executor.run(job)
+    print(f"\nExit code: {rc}")
+    sys.exit(rc)
+
+
+if __name__ == "__main__":
+    main()