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Phase 4a: 6 high-impact structure + framework detectors
New detectors (auto-discovered, 82 total): - python_structures: classes, functions, imports, decorators, __all__ - typescript_structures: interfaces, types, classes, enums, namespaces - go_web: Gin, Echo, Chi, gorilla/mux, net/http endpoint detection - go_orm: GORM entities/migrations, sqlx, database/sql connections - csharp_efcore: DbContext, DbSet, migrations, Fluent API relationships - csharp_minimal_apis: MapGet/Post, auth middleware, DI registration Impact: contoso-real-estate 2,314 → 3,785 nodes (+63%) Coverage: 44K Python + 40K TS + 57K Go + 527 C# files now get structural extraction beyond framework-specific patterns. 82 detectors, 1,360 tests, deterministic, no performance regression. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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‎README.md‎

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2020
<a href="https://github.com/RandomCodeSpace/code-iq/security/dependabot"><img src="https://img.shields.io/badge/dependabot-enabled-brightgreen?style=flat-square&logo=dependabot&logoColor=white" alt="Dependabot enabled"></a>
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<a href="https://github.com/RandomCodeSpace/code-iq/security/code-scanning"><img src="https://img.shields.io/badge/CodeQL-enabled-brightgreen?style=flat-square&logo=github&logoColor=white" alt="CodeQL"></a>
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<!-- DYNAMIC:vulnerabilities --><a href="https://github.com/RandomCodeSpace/code-iq/security/dependabot"><img src="https://img.shields.io/badge/vulnerabilities-0-brightgreen?style=flat-square&logo=hackthebox&logoColor=white" alt="0 Vulnerabilities"></a><!-- /DYNAMIC:vulnerabilities -->
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<!-- DYNAMIC:detectors --><a href="https://github.com/RandomCodeSpace/code-iq"><img src="https://img.shields.io/badge/detectors-76-brightgreen?style=flat-square&logo=codefactor&logoColor=white" alt="76 Detectors"></a><!-- /DYNAMIC:detectors -->
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<!-- DYNAMIC:detectors --><a href="https://github.com/RandomCodeSpace/code-iq"><img src="https://img.shields.io/badge/detectors-82-brightgreen?style=flat-square&logo=codefactor&logoColor=white" alt="82 Detectors"></a><!-- /DYNAMIC:detectors -->
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<!-- DYNAMIC:languages --><a href="https://github.com/RandomCodeSpace/code-iq"><img src="https://img.shields.io/badge/languages-35-blue?style=flat-square&logo=stackblitz&logoColor=white" alt="35 Languages"></a><!-- /DYNAMIC:languages -->
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<!-- DYNAMIC:tests --><a href="https://github.com/RandomCodeSpace/code-iq"><img src="https://img.shields.io/badge/tests-1241%20passed-brightgreen?style=flat-square&logo=pytest&logoColor=white" alt="1241 passed Tests"></a><!-- /DYNAMIC:tests -->
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<!-- DYNAMIC:files --><a href="https://github.com/RandomCodeSpace/code-iq"><img src="https://img.shields.io/badge/files-242-informational?style=flat-square&logo=files&logoColor=white" alt="242 Files"></a><!-- /DYNAMIC:files -->
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<!-- DYNAMIC:loc --><a href="https://github.com/RandomCodeSpace/code-iq"><img src="https://img.shields.io/badge/LOC-28%2C130-informational?style=flat-square&logo=codacy&logoColor=white" alt="28,130 Loc"></a><!-- /DYNAMIC:loc -->
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<<<<<<< HEAD
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<!-- DYNAMIC:tests --><a href="https://github.com/RandomCodeSpace/code-iq"><img src="https://img.shields.io/badge/tests-1360%20passed-brightgreen?style=flat-square&logo=pytest&logoColor=white" alt="1360 passed Tests"></a><!-- /DYNAMIC:tests -->
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<!-- DYNAMIC:files --><a href="https://github.com/RandomCodeSpace/code-iq"><img src="https://img.shields.io/badge/files-254-informational?style=flat-square&logo=files&logoColor=white" alt="254 Files"></a><!-- /DYNAMIC:files -->
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<!-- DYNAMIC:loc --><a href="https://github.com/RandomCodeSpace/code-iq"><img src="https://img.shields.io/badge/LOC-30%2C566-informational?style=flat-square&logo=codacy&logoColor=white" alt="30,566 Loc"></a><!-- /DYNAMIC:loc -->
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=======
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<!-- DYNAMIC:tests --><a href="https://github.com/RandomCodeSpace/code-iq"><img src="https://img.shields.io/badge/tests-1360%20passed-brightgreen?style=flat-square&logo=pytest&logoColor=white" alt="1360 passed Tests"></a><!-- /DYNAMIC:tests -->
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<!-- DYNAMIC:files --><a href="https://github.com/RandomCodeSpace/code-iq"><img src="https://img.shields.io/badge/files-254-informational?style=flat-square&logo=files&logoColor=white" alt="254 Files"></a><!-- /DYNAMIC:files -->
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<!-- DYNAMIC:loc --><a href="https://github.com/RandomCodeSpace/code-iq"><img src="https://img.shields.io/badge/LOC-30%2C566-informational?style=flat-square&logo=codacy&logoColor=white" alt="30,566 Loc"></a><!-- /DYNAMIC:loc -->
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>>>>>>> edb98b7 (Phase 4a: 6 high-impact structure + framework detectors)
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</p>
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---

‎src/code_intelligence/detectors/csharp/csharp_efcore.py‎

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"""Regex-based Entity Framework Core detector for C# source files."""
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from __future__ import annotations
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import re
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from code_intelligence.detectors.base import DetectorContext, DetectorResult
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from code_intelligence.detectors.utils import decode_text, find_line_number
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from code_intelligence.models.graph import (
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EdgeKind,
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GraphEdge,
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GraphNode,
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NodeKind,
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SourceLocation,
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)
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_DBCONTEXT_RE = re.compile(r'class\s+(\w+)\s*:\s*(?:[\w.]+\.)?DbContext', re.MULTILINE)
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_DBSET_RE = re.compile(r'DbSet<(\w+)>', re.MULTILINE)
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_KEY_RE = re.compile(r'\[Key\]')
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_FK_RE = re.compile(r'\[ForeignKey\("(\w+)"\)\]')
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_TABLE_RE = re.compile(r'\[Table\("(\w+)"\)\]')
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_FLUENT_RE = re.compile(r'\.(HasOne|HasMany|WithMany|WithOne)\s*\(', re.MULTILINE)
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_MIGRATION_RE = re.compile(r'class\s+(\w+)\s*:\s*Migration', re.MULTILINE)
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_CREATE_TABLE_RE = re.compile(r'CreateTable\s*\(\s*(?:name:\s*)?"(\w+)"', re.MULTILINE)
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class CSharpEfcoreDetector:
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"""Detects Entity Framework Core patterns: DbContext, DbSet, annotations, fluent API, and migrations."""
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name: str = "csharp_efcore"
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supported_languages: tuple[str, ...] = ("csharp",)
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def detect(self, ctx: DetectorContext) -> DetectorResult:
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result = DetectorResult()
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text = decode_text(ctx)
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context_ids: list[str] = []
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# DbContext classes
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for m in _DBCONTEXT_RE.finditer(text):
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context_name = m.group(1)
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node_id = f"efcore:{ctx.file_path}:context:{context_name}"
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context_ids.append(node_id)
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result.nodes.append(GraphNode(
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id=node_id,
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kind=NodeKind.REPOSITORY,
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label=context_name,
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fqn=context_name,
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module=ctx.module_name,
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location=SourceLocation(
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file_path=ctx.file_path,
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line_start=find_line_number(text, m.start()),
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),
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properties={"framework": "efcore"},
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))
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# DbSet properties -> ENTITY nodes + QUERIES edges from context
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for m in _DBSET_RE.finditer(text):
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entity_name = m.group(1)
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entity_id = f"efcore:{ctx.file_path}:entity:{entity_name}"
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line_num = find_line_number(text, m.start())
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result.nodes.append(GraphNode(
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id=entity_id,
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kind=NodeKind.ENTITY,
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label=entity_name,
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fqn=entity_name,
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module=ctx.module_name,
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location=SourceLocation(
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file_path=ctx.file_path,
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line_start=line_num,
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),
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properties={"framework": "efcore"},
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))
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# Link each context to this entity
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for ctx_id in context_ids:
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result.edges.append(GraphEdge(
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source=ctx_id,
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target=entity_id,
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kind=EdgeKind.QUERIES,
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label=f"{ctx_id} queries {entity_name}",
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))
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# [Table("tablename")] annotation -> property on nearest entity
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for m in _TABLE_RE.finditer(text):
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table_name = m.group(1)
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line_num = find_line_number(text, m.start())
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# Find the nearest DbSet entity declared after this annotation
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# or create an entity node with table_name property
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nearest_entity = _find_nearest_entity(result, ctx.file_path, line_num)
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if nearest_entity:
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nearest_entity.properties["table_name"] = table_name
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# [Key] annotation
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for m in _KEY_RE.finditer(text):
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line_num = find_line_number(text, m.start())
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nearest_entity = _find_nearest_entity(result, ctx.file_path, line_num)
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if nearest_entity:
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if "annotations" not in nearest_entity.properties:
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nearest_entity.properties["annotations"] = []
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if "Key" not in nearest_entity.properties["annotations"]:
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nearest_entity.properties["annotations"].append("Key")
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# [ForeignKey("Name")] -> DEPENDS_ON edge
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for m in _FK_RE.finditer(text):
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fk_target = m.group(1)
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line_num = find_line_number(text, m.start())
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nearest_entity = _find_nearest_entity(result, ctx.file_path, line_num)
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if nearest_entity:
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result.edges.append(GraphEdge(
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source=nearest_entity.id,
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target=f"efcore:*:entity:{fk_target}",
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kind=EdgeKind.DEPENDS_ON,
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label=f"{nearest_entity.label} depends on {fk_target}",
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))
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# Fluent API relationship methods -> DEPENDS_ON edges
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for m in _FLUENT_RE.finditer(text):
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method_name = m.group(1)
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line_num = find_line_number(text, m.start())
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# Link from the context to signal a relationship
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for ctx_id in context_ids:
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result.edges.append(GraphEdge(
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source=ctx_id,
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target=f"efcore:{ctx.file_path}:fluent:{method_name}:{line_num}",
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kind=EdgeKind.DEPENDS_ON,
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label=f"{method_name} relationship",
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properties={"fluent_method": method_name},
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))
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# Migration classes
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for m in _MIGRATION_RE.finditer(text):
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migration_name = m.group(1)
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migration_id = f"efcore:{ctx.file_path}:migration:{migration_name}"
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result.nodes.append(GraphNode(
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id=migration_id,
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kind=NodeKind.MIGRATION,
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label=migration_name,
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fqn=migration_name,
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module=ctx.module_name,
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location=SourceLocation(
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file_path=ctx.file_path,
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line_start=find_line_number(text, m.start()),
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),
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properties={"framework": "efcore"},
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))
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# migrationBuilder.CreateTable("name") -> ENTITY node
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for m in _CREATE_TABLE_RE.finditer(text):
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table_name = m.group(1)
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entity_id = f"efcore:{ctx.file_path}:entity:{table_name}"
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# Avoid duplicates
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if not any(n.id == entity_id for n in result.nodes):
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result.nodes.append(GraphNode(
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id=entity_id,
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kind=NodeKind.ENTITY,
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label=table_name,
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fqn=table_name,
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module=ctx.module_name,
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location=SourceLocation(
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file_path=ctx.file_path,
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line_start=find_line_number(text, m.start()),
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),
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properties={"framework": "efcore", "source": "migration"},
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))
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return result
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def _find_nearest_entity(result: DetectorResult, file_path: str, line_num: int) -> GraphNode | None:
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"""Find the nearest ENTITY node at or after the given line in the same file."""
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candidates = [
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n for n in result.nodes
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if n.kind == NodeKind.ENTITY
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and n.location is not None
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and n.location.file_path == file_path
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]
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if not candidates:
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return None
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# Find the entity whose line_start is closest to (and >= ) line_num
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after = [n for n in candidates if n.location and n.location.line_start and n.location.line_start >= line_num]
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if after:
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return min(after, key=lambda n: n.location.line_start) # type: ignore[union-attr, return-value]
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# Fallback: nearest entity before line_num
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return max(candidates, key=lambda n: n.location.line_start if n.location and n.location.line_start else 0)

‎src/code_intelligence/detectors/csharp/csharp_minimal_apis.py‎

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"""Regex-based .NET 6+ Minimal API detector for C# source files."""
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from __future__ import annotations
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import re
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from code_intelligence.detectors.base import DetectorContext, DetectorResult
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from code_intelligence.detectors.utils import decode_text, find_line_number
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from code_intelligence.models.graph import (
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EdgeKind,
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GraphEdge,
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GraphNode,
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NodeKind,
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SourceLocation,
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)
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_MAP_RE = re.compile(r'\.Map(Get|Post|Put|Delete|Patch)\s*\(\s*"([^"]*)"', re.MULTILINE)
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_BUILDER_RE = re.compile(r'WebApplication\.CreateBuilder\s*\(', re.MULTILINE)
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_AUTH_USE_RE = re.compile(r'\.Use(Authentication|Authorization)\s*\(', re.MULTILINE)
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_AUTH_ADD_RE = re.compile(r'\.Add(Authentication|Authorization)\s*\(', re.MULTILINE)
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_DI_RE = re.compile(r'\.Add(Scoped|Transient|Singleton)<(\w+)(?:,\s*(\w+))?>', re.MULTILINE)
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class CSharpMinimalApisDetector:
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"""Detects .NET 6+ Minimal API patterns: endpoints, auth middleware, and DI registration."""
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name: str = "csharp_minimal_apis"
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supported_languages: tuple[str, ...] = ("csharp",)
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def detect(self, ctx: DetectorContext) -> DetectorResult:
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result = DetectorResult()
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text = decode_text(ctx)
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app_module_id: str | None = None
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# WebApplication.CreateBuilder() -> MODULE node
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builder_match = _BUILDER_RE.search(text)
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if builder_match:
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app_module_id = f"dotnet:{ctx.file_path}:app"
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line_num = find_line_number(text, builder_match.start())
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result.nodes.append(GraphNode(
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id=app_module_id,
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kind=NodeKind.MODULE,
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label=f"WebApplication({ctx.file_path})",
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fqn=ctx.file_path,
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module=ctx.module_name,
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location=SourceLocation(
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file_path=ctx.file_path,
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line_start=line_num,
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),
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properties={"framework": "dotnet_minimal_api"},
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))
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# Map{Method}("/path", handler) -> ENDPOINT nodes
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for m in _MAP_RE.finditer(text):
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http_method = m.group(1).upper()
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path = m.group(2)
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line_num = find_line_number(text, m.start())
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endpoint_id = f"dotnet:{ctx.file_path}:endpoint:{http_method}:{path}:{line_num}"
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result.nodes.append(GraphNode(
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id=endpoint_id,
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kind=NodeKind.ENDPOINT,
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label=f"{http_method} {path}",
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fqn=f"{http_method} {path}",
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module=ctx.module_name,
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location=SourceLocation(
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file_path=ctx.file_path,
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line_start=line_num,
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),
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properties={
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"http_method": http_method,
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"path": path,
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"framework": "dotnet_minimal_api",
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},
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))
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# Link endpoint to app module if present
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if app_module_id:
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result.edges.append(GraphEdge(
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source=app_module_id,
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target=endpoint_id,
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kind=EdgeKind.EXPOSES,
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label=f"app exposes {http_method} {path}",
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))
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# UseAuthentication / UseAuthorization -> GUARD nodes
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for m in _AUTH_USE_RE.finditer(text):
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auth_type = m.group(1)
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line_num = find_line_number(text, m.start())
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guard_id = f"dotnet:{ctx.file_path}:guard:Use{auth_type}:{line_num}"
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result.nodes.append(GraphNode(
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id=guard_id,
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kind=NodeKind.GUARD,
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label=f"Use{auth_type}",
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fqn=f"Use{auth_type}",
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module=ctx.module_name,
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location=SourceLocation(
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file_path=ctx.file_path,
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line_start=line_num,
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),
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properties={
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"guard_type": auth_type.lower(),
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"framework": "dotnet_minimal_api",
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},
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))
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# AddAuthentication / AddAuthorization -> GUARD nodes
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for m in _AUTH_ADD_RE.finditer(text):
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auth_type = m.group(1)
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line_num = find_line_number(text, m.start())
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guard_id = f"dotnet:{ctx.file_path}:guard:Add{auth_type}:{line_num}"
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result.nodes.append(GraphNode(
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id=guard_id,
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kind=NodeKind.GUARD,
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label=f"Add{auth_type}",
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fqn=f"Add{auth_type}",
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module=ctx.module_name,
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location=SourceLocation(
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file_path=ctx.file_path,
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line_start=line_num,
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),
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properties={
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"guard_type": auth_type.lower(),
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"framework": "dotnet_minimal_api",
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},
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))
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# DI registration: AddScoped<IService, ServiceImpl>() -> DEPENDS_ON edge
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for m in _DI_RE.finditer(text):
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lifetime = m.group(1)
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interface_name = m.group(2)
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impl_name = m.group(3) # May be None for single-type registrations
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line_num = find_line_number(text, m.start())
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if impl_name:
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result.edges.append(GraphEdge(
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source=f"dotnet:*:{impl_name}",
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target=f"dotnet:*:{interface_name}",
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kind=EdgeKind.DEPENDS_ON,
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label=f"{impl_name} registered as {interface_name} ({lifetime})",
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properties={
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"lifetime": lifetime.lower(),
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"framework": "dotnet_minimal_api",
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},
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))
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else:
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# Self-registration like AddScoped<MyService>()
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result.edges.append(GraphEdge(
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source=f"dotnet:{ctx.file_path}:di:{interface_name}",
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target=f"dotnet:*:{interface_name}",
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kind=EdgeKind.DEPENDS_ON,
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label=f"{interface_name} registered as {lifetime}",
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properties={
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"lifetime": lifetime.lower(),
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"framework": "dotnet_minimal_api",
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},
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))
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return result

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