A C++ library for interacting with JSON.
This report summarizes scanner evidence for open-source-parsers/jsoncpp, a C++ project with 8,910 GitHub stars. SynthScan examined 19,978 lines of code across 177 source files, recording 74 pattern matches distributed across 5 syntactic categories. The legacy adjusted pattern signal is 3.9 (Low pattern signal); it is not an authorship estimate.
Use the findings to ask whether maintainers can explain intent, verify dependencies, simplify unnecessary scaffolding, and focus review effort. Risk Payload v1 adds ownership, supply-chain, over-engineering, and review-effort vectors when available. These are prompts for human verification, not probabilities, security findings, or measured maintenance costs.
Use each vector to guide manual verification of the underlying findings.
Payload schema: 1.0.0 · Engine: 2.0.0 · Scoring: heuristic-density-v1 · Scan date: 2026-10-31.
Can maintainers explain intent, assumptions, and trade-offs? 57 finding(s).
Are imports declared and package/API names verified? 16 finding(s).
Are wrappers, guards, and repeated structures necessary? 4 finding(s).
Which changes need focused human review? 74 finding(s).
This chart tracks the legacy adjusted pattern score across scan runs. Changes can reflect source changes, scan coverage, or detector/scoring versions; they do not measure AI adoption or prove that a team refactored code. Compare runs only when their scoring versions are compatible. The dashed line tracks the raw pattern-hit count.
Groups findings by configured severity weight. Severity is not a confidence estimate, security rating, or proof that a package is missing. Verify imports against the project's manifests and inspect each finding in its local design context.
This horizontal bar chart shows where configured pattern scores accumulate across directories. Treat the bars as locations to inspect, not as evidence of authorship or code quality. Use the file-level findings to decide whether a directory needs a focused ownership, dependency, complexity, or review check.
The scanner identified 74 distinct pattern matches across 5 syntactic categories. Each entry below represents a discrete location in the source code where the engine recorded a detector match to inspect in context. Expand any category row to inspect the individual file paths, line numbers, code snippets, and the lexical context (CODE, COMMENT, or STRING) in which each match was detected.
Reading the findings table: The Severity column indicates the configured finding weight (CRITICAL / HIGH / MEDIUM / LOW). The Context column identifies whether the match occurred inside executable code, an inline comment, or a string literal — legacy comment-context matches receive a ×1.5 score weight. The ⚡ bolt icon marks clustered matches: three or more patterns within a 10-line window, each receiving an additional ×1.5 density multiplier under the legacy scoring model.
| Severity | File | Line | Snippet | Context |
|---|---|---|---|---|
| LOW | CMakeLists.txt | 1 | # vim: et ts=4 sts=4 sw=4 tw=0 | COMMENT |
| LOW | gcovr.cfg | 1 | # Newer versions of gcovr have strict function merging by default, which | COMMENT |
| LOW | test/data/legacy_test_real_08.json | 1 | // Out of 32-bit integer range, switch to double in 32-bit mode. Length the | COMMENT |
| LOW | test/data/legacy_test_real_09.json | 1 | // Out of 64-bit integer range, switch to double in all modes. Length the same | COMMENT |
| LOW | test/data/legacy_test_real_10.json | 1 | // Out of 32-bit signed integer range, switch to double in all modes. Length | COMMENT |
| LOW | test/data/legacy_test_real_11.json | 1 | // Out of 64-bit signed integer range, switch to double in all modes. Length | COMMENT |
| LOW | include/json/reader.h | 1 | // Copyright 2007-2010 Baptiste Lepilleur and The JsonCpp Authors | COMMENT |
| LOW | include/json/version.h | 1 | #ifndef JSON_VERSION_H_INCLUDED | COMMENT |
| LOW | include/json/version.h | 21 | #if !defined(JSONCPP_USE_SECURE_MEMORY) | COMMENT |
| LOW | include/json/assertions.h | 1 | // Copyright 2007-2010 Baptiste Lepilleur and The JsonCpp Authors | COMMENT |
| LOW | include/json/config.h | 1 | // Copyright 2007-2010 Baptiste Lepilleur and The JsonCpp Authors | COMMENT |
| LOW | include/json/config.h | 21 | #endif | COMMENT |
| LOW | include/json/config.h | 41 | COMMENT | |
| LOW | include/json/config.h | 61 | extern JSON_API int msvc_pre1900_c99_snprintf(char* outBuf, size_t size, | COMMENT |
| LOW | include/json/config.h | 81 | #elif defined(__GNUC__) // not clang (gcc comes later since clang emulates gcc) | COMMENT |
| LOW | include/json/value.h | 1 | // Copyright 2007-2010 Baptiste Lepilleur and The JsonCpp Authors | COMMENT |
| LOW | include/json/value.h | 21 | #endif | COMMENT |
| LOW | include/json/value.h | 41 | COMMENT | |
| LOW | include/json/value.h | 461 | /// \post type() is unchanged | COMMENT |
| LOW | include/json/value.h | 481 | ///@{ | COMMENT |
| LOW | include/json/value.h | 641 | #ifdef JSONCPP_HAS_STRING_VIEW | COMMENT |
| LOW | include/json/allocator.h | 1 | // Copyright 2007-2010 Baptiste Lepilleur and The JsonCpp Authors | COMMENT |
| LOW | include/json/json.h | 1 | // Copyright 2007-2010 Baptiste Lepilleur and The JsonCpp Authors | COMMENT |
| LOW | include/json/writer.h | 1 | // Copyright 2007-2010 Baptiste Lepilleur and The JsonCpp Authors | COMMENT |
| LOW | include/json/writer.h | 361 | COMMENT | |
| LOW | include/json/json_features.h | 1 | // Copyright 2007-2010 Baptiste Lepilleur and The JsonCpp Authors | COMMENT |
| LOW | devtools/__init__.py | 1 | # Copyright 2010 Baptiste Lepilleur and The JsonCpp Authors | COMMENT |
| LOW | devtools/fixeol.py | 41 | ## includes = '**/*.py **/wscript **/wscript_build', | COMMENT |
| LOW | devtools/fixeol.py | 61 | ## pass | COMMENT |
| LOW | src/test_lib_json/jsontest.h | 1 | // Copyright 2007-2010 Baptiste Lepilleur and The JsonCpp Authors | COMMENT |
| LOW | src/test_lib_json/jsontest.cpp | 1 | // Copyright 2007-2010 Baptiste Lepilleur and The JsonCpp Authors | COMMENT |
| LOW | src/test_lib_json/jsontest.cpp | 21 | #define NOMCX | COMMENT |
| LOW | src/test_lib_json/jsontest.cpp | 41 | #define NOCOLOR | COMMENT |
| LOW | src/test_lib_json/jsontest.cpp | 61 | #define NOCLIPBOARD | COMMENT |
| LOW | src/test_lib_json/jsontest.cpp | 341 | #if defined(_MSC_VER) && defined(_DEBUG) | COMMENT |
| LOW | src/test_lib_json/fuzz.h | 1 | // Copyright 2007-2010 The JsonCpp Authors | COMMENT |
| LOW | src/test_lib_json/fuzz.cpp | 1 | // Copyright 2007-2019 The JsonCpp Authors | COMMENT |
| LOW | src/test_lib_json/main.cpp | 1 | // Copyright 2007-2010 Baptiste Lepilleur and The JsonCpp Authors | COMMENT |
| LOW | src/test_lib_json/main.cpp | 21 | #include <iterator> | COMMENT |
| LOW | src/test_lib_json/main.cpp | 41 | #define kuint32max Json::Value::maxUInt | COMMENT |
| LOW | src/jsontestrunner/main.cpp | 1 | // Copyright 2007-2010 Baptiste Lepilleur and The JsonCpp Authors | COMMENT |
| LOW | src/lib_json/json_writer.cpp | 1 | // Copyright 2011 Baptiste Lepilleur and The JsonCpp Authors | COMMENT |
| LOW | src/lib_json/json_reader.cpp | 1 | // Copyright 2007-2011 Baptiste Lepilleur and The JsonCpp Authors | COMMENT |
| LOW | src/lib_json/json_reader.cpp | 21 | #include <memory> | COMMENT |
| LOW | src/lib_json/json_tool.h | 1 | // Copyright 2007-2010 Baptiste Lepilleur and The JsonCpp Authors | COMMENT |
| LOW | src/lib_json/json_value.cpp | 1 | // Copyright 2011 Baptiste Lepilleur and The JsonCpp Authors | COMMENT |
| LOW | src/lib_json/json_value.cpp | 61 | // kNull must be word-aligned to avoid crashing on ARM. We use an alignment of | COMMENT |
| Severity | File | Line | Snippet | Context |
|---|---|---|---|---|
| LOW | doxybuild.py | 3 | CODE | |
| LOW | doxybuild.py | 4 | CODE | |
| LOW | test/rununittests.py | 6 | CODE | |
| LOW | test/rununittests.py | 7 | CODE | |
| LOW | test/rununittests.py | 8 | CODE | |
| LOW | test/rununittests.py | 9 | CODE | |
| LOW | test/rununittests.py | 14 | CODE | |
| LOW | test/pyjsontestrunner.py | 9 | CODE | |
| LOW | test/generate_expected.py | 6 | CODE | |
| LOW | test/runjsontests.py | 6 | CODE | |
| LOW | test/runjsontests.py | 7 | CODE | |
| LOW | test/runjsontests.py | 13 | CODE | |
| LOW | devtools/antglob.py | 8 | CODE | |
| LOW | devtools/batchbuild.py | 1 | CODE | |
| LOW | devtools/fixeol.py | 6 | CODE | |
| LOW | devtools/licenseupdater.py | 3 | CODE |
| Severity | File | Line | Snippet | Context |
|---|---|---|---|---|
| LOW | doxybuild.py | 26 | CODE | |
| LOW | test/pyjsontestrunner.py | 25 | CODE | |
| LOW | test/runjsontests.py | 69 | CODE | |
| LOW | devtools/antglob.py | 62 | CODE | |
| LOW | devtools/batchbuild.py | 111 | CODE | |
| LOW | devtools/batchbuild.py | 177 | CODE | |
| LOW | devtools/tarball.py | 12 | CODE |
| Severity | File | Line | Snippet | Context |
|---|---|---|---|---|
| HIGH | test/runjsontests.py | 30 | except AttributeError: | CODE |
| Severity | File | Line | Snippet | Context |
|---|---|---|---|---|
| LOW | devtools/batchbuild.py | 89 | def _execute_build_subprocess(self, cmd, env, log_path): | CODE |
| LOW | devtools/batchbuild.py | 111 | def load_build_variants_from_config(config_path): | CODE |
| LOW | devtools/licenseupdater.py | 46 | def update_license_in_source_directories(source_dirs, dry_run, show_diff): | STRING |