20260807_OPENCODE_TEMP/ABAP-Indexing
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ABAP-Indexing/parser/units.py
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"""코드 단위(unit) 추출. (계획서 §4.2)
unit_type: FORM / METHOD / FUNCTION / MODULE / EVENT / CLASS_DEF / DECLARATION / MACRO
unit_id : PROGRAM#INCLUDE#TYPE#NAME
"""
from __future__ import annotations
import hashlib
from dataclasses import dataclass, field
from .statements import Statement
EVENT_KEYWORDS = {
"INITIALIZATION",
"START-OF-SELECTION",
"END-OF-SELECTION",
"TOP-OF-PAGE",
"END-OF-PAGE",
"AT", # AT SELECTION-SCREEN..., AT LINE-SELECTION, AT USER-COMMAND
"GET", # 논리DB GET
"LOAD-OF-PROGRAM",
}
DECL_KEYWORDS = {
"TYPES", "DATA", "CONSTANTS", "TABLES", "STATICS", "FIELD-SYMBOLS",
"SELECT-OPTIONS", "PARAMETERS", "PARAMETER", "SELECTION-SCREEN", "RANGES", "CONTROLS",
"CLASS-DATA", "INCLUDE", "TYPE-POOLS", "REPORT", "PROGRAM", "NODES",
}
SUB_CHUNK_LIMIT = 300 # 이 줄 수를 넘으면 최상위 IF/CASE/LOOP 경계로 서브청크 기록
@dataclass
class Unit:
unit_id: str
program: str
include: str
unit_type: str
name: str
line_start: int
line_end: int
signature: str = ""
header_comment: str = ""
code_hash: str = ""
loc: int = 0
stmt_indexes: list[int] = field(default_factory=list) # 이 unit 에 속한 문장 인덱스
sub_chunks: list[dict] = field(default_factory=list)
def _event_name(up: list[str]) -> str | None:
head = up[0]
if head in {"INITIALIZATION", "START-OF-SELECTION", "END-OF-SELECTION",
"TOP-OF-PAGE", "END-OF-PAGE", "LOAD-OF-PROGRAM"}:
return head
if head == "AT" and len(up) >= 2 and up[1] in {"SELECTION-SCREEN", "LINE-SELECTION", "USER-COMMAND"}:
# AT NEW/END/FIRST/LAST 는 LOOP 제어문이므로 이벤트가 아니다
return " ".join(up[:4])[:60]
if head == "GET" and len(up) == 2 and up[1] not in {
"PARAMETER", "TIME", "CURSOR", "BADI", "REFERENCE", "PF-STATUS", "RUN"
} and not up[1].startswith("'"):
return f"GET {up[1]}" # 논리DB 이벤트
return None
def extract_units(program: str, include: str, statements: list[Statement], source_lines: int) -> list[Unit]:
units: list[Unit] = []
open_unit: Unit | None = None # FORM/FUNCTION/MODULE/MACRO/METHOD
open_event: Unit | None = None
open_class: Unit | None = None # CLASS_DEF (DEFINITION)
in_class_impl: str | None = None # CLASS ... IMPLEMENTATION 의 클래스명
decl_stmts: list[int] = []
def uid(utype: str, name: str) -> str:
return f"{program}#{include}#{utype}#{name.upper()}"
def close_decl() -> None:
nonlocal decl_stmts
if decl_stmts:
first, last = decl_stmts[0], decl_stmts[-1]
u = Unit(
unit_id=uid("DECLARATION", f"DECL_{statements[first].line_start}"),
program=program, include=include, unit_type="DECLARATION",
name=f"DECL_{statements[first].line_start}",
line_start=statements[first].line_start,
line_end=statements[last].line_end,
stmt_indexes=list(decl_stmts),
)
units.append(u)
decl_stmts = []
def close_event(end_line: int) -> None:
nonlocal open_event
if open_event:
open_event.line_end = end_line
units.append(open_event)
open_event = None
for i, st in enumerate(statements):
up = st.upper
head = up[0] if up else ""
# ---- 열려 있는 유닛 닫기 판단 ----
if open_unit:
open_unit.stmt_indexes.append(i)
end_kw = {"FORM": "ENDFORM", "FUNCTION": "ENDFUNCTION", "MODULE": "ENDMODULE",
"METHOD": "ENDMETHOD", "MACRO": "END-OF-DEFINITION"}[open_unit.unit_type]
if head == end_kw:
open_unit.line_end = st.line_end
units.append(open_unit)
open_unit = None
continue
if open_class:
open_class.stmt_indexes.append(i)
if head == "ENDCLASS":
open_class.line_end = st.line_end
units.append(open_class)
open_class = None
continue
# ---- 새 유닛 시작 ----
if head == "FORM" and len(up) >= 2:
close_decl(); close_event(st.line_start - 1)
open_unit = Unit(uid("FORM", up[1]), program, include, "FORM", up[1],
st.line_start, st.line_end,
signature=" ".join(st.tokens[2:])[:300],
header_comment=st.comment_text, stmt_indexes=[i])
continue
if head == "FUNCTION" and len(up) >= 2:
close_decl(); close_event(st.line_start - 1)
open_unit = Unit(uid("FUNCTION", up[1]), program, include, "FUNCTION", up[1],
st.line_start, st.line_end, header_comment=st.comment_text,
stmt_indexes=[i])
continue
if head == "MODULE" and len(up) >= 2:
close_decl(); close_event(st.line_start - 1)
mode = up[2] if len(up) >= 3 and up[2] in {"OUTPUT", "INPUT"} else ""
open_unit = Unit(uid("MODULE", f"{up[1]}_{mode}" if mode else up[1]), program, include,
"MODULE", f"{up[1]} {mode}".strip(), st.line_start, st.line_end,
header_comment=st.comment_text, stmt_indexes=[i])
continue
if head == "DEFINE" and len(up) >= 2:
close_decl(); close_event(st.line_start - 1)
open_unit = Unit(uid("MACRO", up[1]), program, include, "MACRO", up[1],
st.line_start, st.line_end, stmt_indexes=[i])
continue
if head == "METHOD" and in_class_impl and len(up) >= 2:
close_decl()
name = f"{in_class_impl}~{up[1]}"
open_unit = Unit(uid("METHOD", name), program, include, "METHOD", name,
st.line_start, st.line_end, header_comment=st.comment_text,
stmt_indexes=[i])
continue
if head == "CLASS" and len(up) >= 3:
# `CLASS lcl_x DEFINITION DEFERRED.` / `… DEFINITION LOAD.` 는 **한 줄 선언**이다 —
# ENDCLASS 가 없다. 블록으로 열면 그 뒤 인클루드 전체가 CLASS_DEF 하나로 삼켜져
# TOP 의 선언이 통째로 사라진다 (실측: ZCO_ALV 의 GO_ALV1 이하 전부).
if "DEFERRED" in up[2:] or "LOAD" in up[2:]:
if open_event:
open_event.stmt_indexes.append(i)
open_event.line_end = st.line_end
else:
decl_stmts.append(i)
continue
if "DEFINITION" in up[2:4]:
close_decl(); close_event(st.line_start - 1)
open_class = Unit(uid("CLASS_DEF", up[1]), program, include, "CLASS_DEF", up[1],
st.line_start, st.line_end, stmt_indexes=[i])
continue
if "IMPLEMENTATION" in up[2:4]:
close_decl(); close_event(st.line_start - 1)
in_class_impl = up[1]
continue
if head == "ENDCLASS":
in_class_impl = None
continue
ev = _event_name(up) if up else None
if ev:
close_decl(); close_event(st.line_start - 1)
open_event = Unit(uid("EVENT", ev.replace(" ", "_")), program, include, "EVENT", ev,
st.line_start, st.line_end, header_comment=st.comment_text,
stmt_indexes=[i])
continue
# ---- 유닛 밖 문장 ----
if open_event:
open_event.stmt_indexes.append(i)
open_event.line_end = st.line_end
continue
if head.split("-")[0].split(":")[0] in DECL_KEYWORDS or head in DECL_KEYWORDS:
decl_stmts.append(i)
continue
# 그 밖의 최상위 문장(드묾)은 DECLARATION 블록에 편입하지 않고 무시하되 카운트는 파서 리포트에서
decl_stmts.append(i)
# 파일 끝 정리
if open_unit:
open_unit.line_end = statements[-1].line_end if statements else source_lines
units.append(open_unit)
if open_class:
open_class.line_end = statements[-1].line_end if statements else source_lines
units.append(open_class)
close_event(statements[-1].line_end if statements else source_lines)
close_decl()
for u in units:
u.loc = u.line_end - u.line_start + 1
return units
def finalize_units(units: list[Unit], statements_by_include: dict[str, list[Statement]],
code_by_include: dict[str, str]) -> None:
"""code_hash / sub_chunks 계산."""
for u in units:
code = code_by_include.get(u.include, "")
lines = code.split("\n")
body = "\n".join(lines[u.line_start - 1 : u.line_end])
u.code_hash = hashlib.sha256(body.encode("utf-8")).hexdigest()
if u.loc > SUB_CHUNK_LIMIT:
u.sub_chunks = _sub_chunks(u, statements_by_include.get(u.include, []))
def _sub_chunks(u: Unit, statements: list[Statement]) -> list[dict]:
"""최상위 IF/CASE/LOOP/WHILE/DO 블록 경계로 unit 을 서브청크 목록으로 나눈다."""
opens = {"IF": "ENDIF", "CASE": "ENDCASE", "LOOP": "ENDLOOP", "WHILE": "ENDWHILE", "DO": "ENDDO"}
boundaries: list[int] = [u.line_start]
depth = 0
for idx in u.stmt_indexes:
st = statements[idx]
head = st.upper[0] if st.tokens else ""
if head in opens:
if depth == 0:
boundaries.append(st.line_start)
depth += 1
elif head in opens.values():
depth = max(0, depth - 1)
if depth == 0:
boundaries.append(st.line_end + 1)
boundaries.append(u.line_end + 1)
bounds = sorted(set(boundaries))
chunks = []
for a, b in zip(bounds, bounds[1:]):
if b - a > 0:
chunks.append({"line_start": a, "line_end": b - 1})
# 너무 잘게 쪼개지면 SUB_CHUNK_LIMIT 안쪽으로 병합
merged: list[dict] = []
for c in chunks:
if merged and (c["line_end"] - merged[-1]["line_start"]) <= SUB_CHUNK_LIMIT:
merged[-1]["line_end"] = c["line_end"]
else:
merged.append(dict(c))
return merged
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