{"type":"thread.started","thread_id":"01a02c7a-0864-79e3-8506-05946283bf97"}
{"type":"turn.started"}
{"type":"item.completed","item":{"id":"item_0","type":"agent_message","text":"I’ll inspect the existing interpreter and its test structure, then implement the access semantics in the current architecture and run the declared scoped conformance check."}}
{"type":"item.started","item":{"id":"item_1","type":"command_execution","command":"/bin/bash -lc \"pwd && rg --files -g '\"'!sources/**'\"' -g '\"'!*.pyc'\"' | sort && printf '\\\\n--- top-level ---\\\\n' && ls -la\"","aggregated_output":"","exit_code":null,"status":"in_progress"}}
{"type":"item.completed","item":{"id":"item_1","type":"command_execution","command":"/bin/bash -lc \"pwd && rg --files -g '\"'!sources/**'\"' -g '\"'!*.pyc'\"' | sort && printf '\\\\n--- top-level ---\\\\n' && ls -la\"","aggregated_output":"/mnt/c/Users/barlo/projects/drydock/uat/jq/runs/20260822.044627/build/jq\njq\njq_interpreter/__init__.py\njq_interpreter/architecture.py\njq_interpreter/ast.py\njq_interpreter/builtins.py\njq_interpreter/cli.py\njq_interpreter/diagnostics.py\njq_interpreter/errors.py\njq_interpreter/evaluator.py\njq_interpreter/interpreter.py\njq_interpreter/lexer.py\njq_interpreter/parser.py\njq_interpreter/paths.py\njq_interpreter/runtime.py\ntests/conftest.py\ntests/test_architecture.py\ntests/test_conf_001_acceptance.py\ntests/test_conformance_assets.py\ntests/test_core_002_composition.py\ntests/test_core_003_errors.py\ntests/test_core_004_truthiness_comparison.py\ntests/test_json_io.py\ntests/test_lexer.py\ntests/test_parse_002.py\ntests/test_stream_evaluator.py\ntests/test_value_001.py\n\n--- top-level ---\ntotal 0\ndrwxrwxrwx 1 barlo barlo 512 Aug 22 17:18 .\ndrwxrwxrwx 1 barlo barlo 512 Aug 22 00:46 ..\n-rwxrwxrwx 1 barlo barlo 493 Aug 22 15:49 jq\ndrwxrwxrwx 1 barlo barlo 512 Aug 22 19:49 jq_interpreter\ndrwxrwxrwx 1 barlo barlo 512 Aug 22 19:58 sources\ndrwxrwxrwx 1 barlo barlo 512 Aug 22 22:33 tests\n","exit_code":0,"status":"completed"}}
{"type":"item.started","item":{"id":"item_2","type":"command_execution","command":"/bin/bash -lc \"sed -n '1,260p' jq_interpreter/ast.py && sed -n '1,300p' jq_interpreter/parser.py\"","aggregated_output":"","exit_code":null,"status":"in_progress"}}
{"type":"item.started","item":{"id":"item_3","type":"command_execution","command":"/bin/bash -lc \"sed -n '1,280p' jq_interpreter/paths.py && sed -n '1,260p' jq_interpreter/runtime.py && sed -n '1,220p' tests/test_value_001.py\"","aggregated_output":"","exit_code":null,"status":"in_progress"}}
{"type":"item.completed","item":{"id":"item_3","type":"command_execution","command":"/bin/bash -lc \"sed -n '1,280p' jq_interpreter/paths.py && sed -n '1,260p' jq_interpreter/runtime.py && sed -n '1,220p' tests/test_value_001.py\"","aggregated_output":"\"\"\"Immutable path discovery and update boundary.\"\"\"\n\nfrom dataclasses import dataclass\n\nfrom .runtime import JsonValue\n\n\n@dataclass(frozen=True)\nclass Path:\n \"\"\"A path into a JSON value, represented as immutable components.\"\"\"\n\n components: tuple[str | int, ...] = ()\n\n\ndef get_path(value: JsonValue, path: Path) -> JsonValue:\n \"\"\"Read a path without mutating the input value.\"\"\"\n current = value\n for component in path.components:\n current = current[component] # type: ignore[index]\n return current\n\"\"\"Runtime value and stream contracts.\"\"\"\n\nfrom collections.abc import Iterator\nfrom dataclasses import dataclass, field\nfrom typing import TypeAlias\n\nJsonValue: TypeAlias = None | bool | int | float | str | list[\"JsonValue\"] | dict[str, \"JsonValue\"]\nValueStream: TypeAlias = Iterator[JsonValue]\n\n\n@dataclass\nclass EvaluationContext:\n \"\"\"Per-input state for lexical bindings and runtime options.\"\"\"\n\n bindings: dict[str, JsonValue] = field(default_factory=dict)\n\n\ndef identity_stream(value: JsonValue) -> ValueStream:\n \"\"\"Yield one value, retaining the stream contract used by the evaluator.\"\"\"\n yield value\n\"\"\"Focused coverage for jq's value and numeric boundary behavior.\"\"\"\n\nimport json\nimport subprocess\nfrom pathlib import Path\n\n\nROOT = Path(__file__).parents[1]\nEXECUTABLE = ROOT / \"jq\"\n\n\ndef run_jq(program: str, input_text: str = \"null\\n\") -> subprocess.CompletedProcess[str]:\n return subprocess.run(\n [str(EXECUTABLE), \"-c\", program],\n input=input_text,\n capture_output=True,\n text=True,\n check=False,\n )\n\n\ndef json_lines(result: subprocess.CompletedProcess[str]) -> list[object]:\n return [json.loads(line) for line in result.stdout.splitlines()]\n\n\ndef test_non_finite_values_are_null_at_the_json_output_boundary() -> None:\n result = run_jq(\"[nan, infinite, -infinite, {value: nan}]\")\n assert result.returncode == 0\n assert json_lines(result) == [[None, None, None, {\"value\": None}]]\n\n\ndef test_tojson_and_fromjson_preserve_json_value_structure() -> None:\n result = run_jq(\"[.[] | tojson | fromjson]\", '[\"text\", 1, [true, null]]\\n')\n assert result.returncode == 0\n assert json_lines(result) == [[\"text\", 1, [True, None]]]\n\n\ndef test_fromjson_accepts_nan_and_serializes_it_as_null() -> None:\n result = run_jq(\"fromjson | [., isnan]\", '\"nan\"\\n')\n assert result.returncode == 0\n assert json_lines(result) == [[None, True]]\n\n\ndef test_nan_is_not_a_valid_array_key_for_has() -> None:\n result = run_jq(\"has(nan)\", \"[0,1,2]\\n\")\n assert result.returncode == 0\n assert json_lines(result) == [False]\n\n\ndef test_large_exponent_literal_remains_a_numeric_value() -> None:\n result = run_jq(\"[1E+1000, -1E+1000 | tojson]\")\n assert result.returncode == 0\n assert json_lines(result) == [[\n \"1.7976931348623157e+308\",\n \"-1.7976931348623157e+308\",\n ]]\n","exit_code":0,"status":"completed"}}
{"type":"item.completed","item":{"id":"item_2","type":"command_execution","command":"/bin/bash -lc \"sed -n '1,260p' jq_interpreter/ast.py && sed -n '1,300p' jq_interpreter/parser.py\"","aggregated_output":"\"\"\"Syntax tree types shared by the lexer, parser, and evaluator.\"\"\"\n\nfrom dataclasses import dataclass\n\n\n@dataclass(frozen=True)\nclass Filter:\n \"\"\"Base type for compiled jq filters.\"\"\"\n\n\n@dataclass(frozen=True)\nclass Identity(Filter):\n \"\"\"The ``.`` filter, yielding its input unchanged.\"\"\"\n\n\n@dataclass(frozen=True)\nclass Iterate(Filter):\n \"\"\"The ``.[]`` filter, yielding array or object members in order.\"\"\"\n\n\n@dataclass(frozen=True)\nclass Literal(Filter):\n \"\"\"A JSON literal filter.\"\"\"\n\n value: object\n\n\n@dataclass(frozen=True)\nclass Comma(Filter):\n \"\"\"Concatenate the output streams of two filters.\"\"\"\n\n left: Filter\n right: Filter\n\n\n@dataclass(frozen=True)\nclass Raise(Filter):\n \"\"\"Raise a jq runtime error when evaluated.\"\"\"\n\n message: str = \"error\"\n\n\n@dataclass(frozen=True)\nclass Array(Filter):\n \"\"\"Collect a filter's generated values into an array.\"\"\"\n\n expression: Filter\n\n\n@dataclass(frozen=True)\nclass Limit(Filter):\n \"\"\"Keep at most ``count`` values from a filter stream.\"\"\"\n\n count: int\n expression: Filter\n\n@dataclass(frozen=True)\nclass Pipe(Filter):\n left: Filter\n right: Filter\n\n@dataclass(frozen=True)\nclass StringTemplate(Filter):\n parts: tuple[str | Filter, ...]\n\n@dataclass(frozen=True)\nclass Format(Filter):\n name: str\n template: StringTemplate | None = None\n\n@dataclass(frozen=True)\nclass Add(Filter):\n left: Filter\n right: Filter\n\n@dataclass(frozen=True)\nclass Node(Filter):\n \"\"\"General expression node used by the complete source parser.\"\"\"\n operation: str\n arguments: tuple[object, ...] = ()\n\"\"\"Precedence-aware jq expression parser.\"\"\"\nimport json\nimport re\nfrom dataclasses import dataclass\nfrom .ast import Filter, Node, StringTemplate, Format\nfrom .errors import CompileError\nfrom .lexer import tokenize\n\n@dataclass(frozen=True)\nclass T: text: str\nOPS=(\"//=\",\"?//\",\"!=\",\"==\",\"|=\",\"+=\",\"-=\",\"*=\",\"/=\",\"%=\",\"<=\",\">=\",\"..\",\"//\")\n# jq's query grammar gives the pipe lower precedence than comma. This is\n# significant for ``a | b, c``: it means ``a | (b, c)`` and keeps the input\n# stream attached to both branches. The parser's numeric levels increase\n# with binding strength.\nPREC={\"|\":1,\",\":2,\"=\":3,\"|=\":3,\"+=\":3,\"-=\":3,\"*=\":3,\"/=\":3,\"%=\":3,\"//=\":3,\"//\":4,\"or\":5,\"and\":6,\"==\":7,\"!=\":7,\"<\":7,\">\":7,\"<=\":7,\">=\":7,\"+\":8,\"-\":8,\"*\":9,\"/\":9,\"%\":9}\n\ndef lex(s: str) -> list[T]:\n s=re.sub(r\"#[^\\n]*\",\"\",s); out=[]; i=0\n while i<len(s):\n if s[i].isspace(): i+=1; continue\n if s[i]=='\"':\n a=i; i+=1; esc=False\n while i<len(s):\n c=s[i]; i+=1\n if esc: esc=False\n elif c=='\\\\': esc=True\n elif c=='\"': break\n else: raise CompileError(\"unterminated string\")\n out.append(T(s[a:i])); continue\n op=next((x for x in OPS if s.startswith(x,i)),None)\n if op: out.append(T(op)); i+=len(op); continue\n m=re.match(r\"(?:[0-9]+(?:\\.[0-9]*)?|\\.[0-9]+)(?:[eE][+-]?[0-9]+)?\",s[i:])\n if m: out.append(T(m.group())); i+=len(m.group()); continue\n m=re.match(r\"(?:[A-Za-z_][A-Za-z_0-9]*::)*[A-Za-z_][A-Za-z_0-9]*\",s[i:])\n if m: out.append(T(m.group())); i+=len(m.group()); continue\n if s[i]=='$':\n m=re.match(r\"\\$[A-Za-z_][A-Za-z_0-9]*(?:::[A-Za-z_][A-Za-z_0-9]*)*\",s[i:])\n if not m: raise CompileError(\"invalid binding\")\n out.append(T(m.group())); i+=len(m.group()); continue\n if s[i]=='.' and i+1<len(s) and re.match(r\"[A-Za-z_]\",s[i+1]):\n m=re.match(r\"\\.[A-Za-z_][A-Za-z_0-9]*\",s[i:]); out.append(T(m.group())); i+=len(m.group()); continue\n if s[i]=='@':\n m=re.match(r\"@[A-Za-z_][A-Za-z_0-9]*\",s[i:])\n if not m: raise CompileError(\"invalid format\")\n out.append(T(m.group())); i+=len(m.group()); continue\n if s[i] in \".?=;,:|+-*/%$<>()[]{}\": out.append(T(s[i])); i+=1; continue\n raise CompileError(\"unexpected character\")\n out.append(T(\"<eof>\")); return out\n\nclass Parser:\n def __init__(self,s:str): self.t=lex(s); self.i=0\n def p(self): return self.t[self.i].text\n def take(self,x=None):\n v=self.p()\n if x is not None and v!=x: raise CompileError(f\"expected {x}\")\n self.i+=1; return v\n def parse(self):\n if self.p()==\"<eof>\": raise CompileError(\"empty program\")\n x=self.expr(0)\n while self.p()==';': self.take()\n if self.p()!='<eof>': raise CompileError(\"unexpected token\")\n return x\n def expr(self,n, stop_comma=False):\n x=self.prefix()\n # Binding is a query construct, below all ordinary operators.\n if self.p()=='as' and n <= 2:\n self.take('as'); pattern=self.pattern(); self.take('|')\n return Node('bind',(x,pattern,self.expr(0)))\n while (self.p() in PREC or self.p() in ('and','or')) and PREC.get(self.p(), 0)>=n:\n if stop_comma and self.p() == ',': break\n op=self.take(); q=PREC[op]; x=Node(\"binary\",(op,x,self.expr(q if op in (\"=\",\"|=\",\"+=\",\"-=\",\"*=\",\"/=\",\"%=\",\"//=\") else q+1, stop_comma)))\n if self.p()=='as' and n <= 2:\n self.take('as'); pattern=self.pattern(); self.take('|')\n return Node('bind',(x,pattern,self.expr(0)))\n return x\n def prefix(self):\n t=self.p()\n if t=='-':\n # Unary minus binds to the complete postfix term. In particular\n # ``-.?`` is try-able arithmetic, not an optional identity.\n self.take(); return Node('unary',('-',self.prefix()))\n if t=='if': return self.post(self.if_expr())\n if t in ('try','reduce','foreach','label','break','def','module','import','include'): return self.post(self.control(t))\n if t=='(': self.take(); x=self.expr(0); self.take(')'); return self.post(x)\n if t=='[':\n self.take()\n if self.p()==']': x=Node('array',(None,))\n else:\n # Commas delimit array elements here; query commas inside an\n # element remain available through parentheses.\n parts=[self.expr(1, True)]\n while self.p()==',': self.take(); parts.append(self.expr(1, True))\n combined=parts[0]\n for part in parts[1:]: combined=Node('binary',(',',combined,part))\n # In an array, a trailing pipe belongs to the complete comma\n # query (`[a,b | f]` is `[(a,b) | f]`).\n if (combined.operation == 'binary' and combined.arguments[0] == ','\n and combined.arguments[2].operation == 'binary'\n and combined.arguments[2].arguments[0] == '|'\n and combined.arguments[2].arguments[1].operation in ('unary', 'literal', 'binary')):\n tail = combined.arguments[2]\n combined = Node('binary', ('|', Node('binary', (',', combined.arguments[1], tail.arguments[1])), tail.arguments[2]))\n x=Node('array',(combined,))\n self.take(']'); return self.post(x)\n if t=='{': return self.object()\n if t=='.': self.take(); return self.post(Node('identity'))\n if t=='..': self.take(); return self.post(Node('recurse'))\n if t.startswith('.'): self.take(); return self.post(Node('field',(t[1:],)))\n if t.startswith('$'): self.take(); return self.post(Node('var',(t[1:],)))\n if t.startswith('\"'): self.take(); return self.post(Node('string',(t,)))\n if t.startswith('@'): self.take(); return self.post(Node('format',(t[1:],)))\n self.take()\n if t in ('true','false','null','nan','infinite','-infinite','-nan') or re.fullmatch(r'(?:[0-9]+(?:\\.[0-9]*)?|\\.[0-9]+)(?:[eE][+-]?[0-9]+)?',t): return self.post(Node('literal',(t,)))\n return self.post(Node('call',(t,())))\n def post(self,x):\n while True:\n if self.p().startswith('\"') and isinstance(x,Node) and x.operation=='format':\n x=Node('format_template',(x.arguments[0],self.take())); continue\n if self.p().startswith('\"'):\n x=Node('indexexpr',(x,Node('string',(self.take(),)))); continue\n if self.p()=='?': self.take(); x=Node('optional',(x,)); continue\n if self.p().startswith('.') and len(self.p())>1: x=Node('index',(x,self.take()[1:],False)); continue\n if self.p()=='.' and self.t[self.i+1].text.startswith('\"'):\n self.take('.'); x=Node('indexexpr',(x,Node('string',(self.take(),)))); continue\n if self.p()=='.' and self.t[self.i+1].text=='[':\n self.take('.'); continue\n if self.p()=='[':\n self.take()\n if self.p()==']': self.take(); x=Node('iterate',(x,)); continue\n a = Node('literal', ('null',)) if self.p()==':' else self.expr(0)\n if self.p()==':': self.take(); b=None if self.p()==']' else self.expr(0); self.take(']'); x=Node('slice',(x,a,b))\n else: self.take(']'); x=Node('indexexpr',(x,a))\n continue\n if self.p()=='(' and isinstance(x,Node) and x.operation=='call':\n name=x.arguments[0]; self.take(); args=[]\n if self.p()!=')':\n args.append(self.expr(1))\n # jq's grammar uses semicolons for filter arguments. The\n # corpus also exercises the permissive comma spelling.\n while self.p()==';': self.take(); args.append(self.expr(1))\n self.take(')'); x=Node('call',(name,tuple(args))); continue\n break\n return x\n def object(self):\n self.take('{'); pairs=[]\n while self.p()!='}':\n if self.p()=='(':\n self.take('('); key=self.expr(0); self.take(')')\n else:\n k=self.take()\n if k.startswith('\"'):\n key=Node('string',(k,))\n elif k.startswith('$'):\n key=Node('var',(k[1:],))\n else:\n key=Node('string',(json.dumps(k.lstrip('$').lstrip('.')),))\n if self.p()==':': self.take(); v=self.expr(1, True)\n else:\n # `{name}` and `{$name}` abbreviate an access using the key.\n if k.startswith('\"'):\n # The key itself may be an interpolated jq string; keep\n # it as a filter so decoding happens at evaluation time.\n raw = None\n v = Node('indexexpr',(Node('identity'), key))\n else:\n raw = k.lstrip('$').lstrip('.')\n if k.startswith('$'):\n key = Node('string',(json.dumps(raw),))\n v=Node('var',(raw,))\n elif not k.startswith('\"'):\n v=Node('index',(Node('identity'),raw,False))\n if key.operation == 'literal':\n raise CompileError('object key must be a string')\n if key.operation == 'literal':\n raise CompileError('object key must be a string')\n pairs.append((key,v))\n if self.p()!= '}': self.take(',')\n self.take('}'); return Node('object',(tuple(pairs),))\n\n def pattern(self):\n t=self.p()\n if t.startswith('$'):\n result=Node('pattern_var',(self.take()[1:],))\n return self._pattern_alt(result)\n if t=='[':\n self.take()\n if self.p()==']': raise CompileError('empty destructuring pattern')\n items=[]\n if self.p()!=']':\n items.append(self.pattern())\n while self.p()==',': self.take(); items.append(self.pattern())\n self.take(']'); return self._pattern_alt(Node('pattern_array',(tuple(items),)))\n if t=='{':\n self.take()\n if self.p()=='}': raise CompileError('empty destructuring pattern')\n items=[]\n if self.p()!='}':\n while True:\n if self.p() == '(':\n self.take('('); key_node = self.expr(0); self.take(')')\n if key_node.operation == 'literal':\n raise CompileError('object key must be a string')\n key = '<computed>'\n else:\n key=self.take(); key_node = None\n if key.startswith('\"'): key = json.loads(key)\n if self.p()==':':\n self.take(); pat=self.pattern()\n if key.startswith('$'):\n pat = Node('pattern_bind',(key[1:],pat))\n elif key.startswith('$'): pat=Node('pattern_var',(key[1:],))\n else: pat=Node('pattern_var',(key,))\n items.append((key_node if key_node is not None else key.lstrip('$'),pat))\n if self.p()!='}': self.take(',')\n else: break\n self.take('}'); return self._pattern_alt(Node('pattern_object',(tuple(items),)))\n raise CompileError('expected binding pattern')\n\n def _pattern_alt(self, result):\n if self.p()=='?//':\n self.take('?//'); return Node('pattern_alt',(result,self.pattern()))\n return result\n def if_expr(self):\n self.take('if'); c=self.expr(0); self.take('then'); a=self.expr(0); b=Node('literal',('null',))\n if self.p()=='else': self.take(); b=self.expr(0); self.take('end')\n elif self.p()=='elif':\n b=self._elif_expr()\n else: self.take('end'); b=Node('identity')\n return Node('if',(c,a,b))\n def _elif_expr(self):\n self.take('elif'); c=self.expr(0); self.take('then'); a=self.expr(0)\n if self.p()=='elif': b=self._elif_expr()\n elif self.p()=='else': self.take(); b=self.expr(0); self.take('end')\n else: self.take('end'); b=Node('identity')\n return Node('if',(c,a,b))\n def control(self,w):\n self.take(w)\n if w in ('module', 'import', 'include'):\n raise CompileError('module directives are not available')\n if w=='try':\n # In object values the following comma belongs to the object,\n # while the try/catch body still admits the full query pipe.\n # `try` binds more tightly than defined-or and comma. Its\n # optional catch clause is consequently visible to this control\n # production rather than being swallowed by the protected query.\n a=self.expr(10, True); b=None\n if self.p()=='catch': self.take(); b=self.expr(10, True)\n return Node('try',(a,b))\n if w=='def':\n name=self.take(); ps=[]\n if self.p()=='(': self.take();\n while self.p() not in (')',':'):\n ps.append(self.take().lstrip('$'))\n if self.p()==';': self.take()\n if ps: self.take(')')\n self.take(':'); b=self.expr(0); self.take(';')\n definition=Node('def',(name,tuple(ps),b))\n if self.p()!='<eof>': return Node('defprog',(definition,self.expr(0)))\n return definition\n if w in ('reduce','foreach'):\n src=self.expr(3); self.take('as'); pat=self.pattern(); self.take('('); init=self.expr(0); self.take(';'); upd=self.expr(2); ext=None\n if self.p()==';': self.take(); ext=self.expr(2)\n self.take(')'); return Node(w,(src,pat,init,upd,ext))\n if w=='label': name=self.take().lstrip('$'); self.take('|'); return Node('label',(name,self.expr(0)))\n if w=='break': return Node('break',(self.take().lstrip('$'),))\n return Node('unsupported',(w,))\n\ndef parse(source: str) -> Filter:\n tokenize(source)\n if source.strip() == 'not-a-filter': raise CompileError('unknown filter')\n for label in re.findall(r'\\blabel\\s+\\$([A-Za-z_]\\w*)', source):\n pass\n for name in re.findall(r'\\bbreak\\s+\\$([A-Za-z_]\\w*)', source):\n if not re.search(r'\\blabel\\s+\\$' + re.escape(name) + r'\\b', source):\n raise CompileError('break label is not defined')\n stripped=source.strip()\n if stripped.startswith('\"') and '\\\\(' in stripped:\n parts=[]; pos=1; end=len(stripped)-1\n while pos<end:\n mark=stripped.find('\\\\(',pos)\n if mark<0:\n parts.append(json.loads('\"'+stripped[pos:end]+'\"')); break\n if mark>pos: parts.append(json.loads('\"'+stripped[pos:mark]+'\"'))\n depth=1; cursor=mark+2\n while depth and cursor<end:\n if stripped[cursor]=='(': depth+=1\n elif stripped[cursor]==')': depth-=1\n cursor+=1\n parts.append(parse(stripped[mark+2:cursor-1])); pos=cursor\n return StringTemplate(tuple(parts))\n if stripped.startswith('@') and ' \"' in stripped:\n name, template=stripped.split(None,1); inner=parse(template)\n return Format(name[1:], inner if isinstance(inner,StringTemplate) else StringTemplate((inner,)))\n try:\n result=Parser(source).parse()\n except (IndexError, ValueError) as error:\n raise CompileError('syntax error') from error\n # Bare calls are valid jq builtins as well as user definitions supplied by\n # the builtin library. Retain compile-time rejection for an unknown bare\n","exit_code":0,"status":"completed"}}
{"type":"item.started","item":{"id":"item_4","type":"command_execution","command":"/bin/bash -lc \"sed -n '1,220p' jq_interpreter/interpreter.py && sed -n '1,220p' jq_interpreter/cli.py && sed -n '1,180p' tests/test_parse_002.py\"","aggregated_output":"","exit_code":null,"status":"in_progress"}}
{"type":"item.completed","item":{"id":"item_4","type":"command_execution","command":"/bin/bash -lc \"sed -n '1,220p' jq_interpreter/interpreter.py && sed -n '1,220p' jq_interpreter/cli.py && sed -n '1,180p' tests/test_parse_002.py\"","aggregated_output":"\"\"\"Application-facing interpreter orchestration.\"\"\"\n\nimport json\nfrom collections.abc import Iterable, Iterator\n\nfrom .evaluator import evaluate\nfrom .parser import parse\nfrom .runtime import JsonValue\n\n\nclass Interpreter:\n \"\"\"Compile once, then evaluate each JSON input in order.\"\"\"\n\n def __init__(self, program: str) -> None:\n self._compiled = parse(program)\n\n def run(self, inputs: Iterable[JsonValue]) -> Iterator[JsonValue]:\n \"\"\"Yield every output, preserving input and generator ordering.\"\"\"\n for value in inputs:\n yield from evaluate(self._compiled, value)\n\n\ndef parse_input(line: str) -> JsonValue:\n \"\"\"Decode one JSON input value.\"\"\"\n return json.loads(line.lstrip(\"\\ufeff\"), parse_constant=_parse_json_constant)\n\n\ndef parse_inputs(text: str) -> Iterator[JsonValue]:\n \"\"\"Decode every whitespace-separated JSON value in an input stream.\n\n ``jq`` accepts JSON values separated by arbitrary whitespace, so a value may\n span multiple physical lines. ``raw_decode`` preserves the boundary\n between successive values without requiring a non-standard JSON parser.\n \"\"\"\n # jq accepts its non-standard constants in lower case as well. The\n # standard decoder only dispatches parse_constant for JSON's capitalized\n # spellings, so normalize standalone bare constants before decoding.\n import re\n text = re.sub(r'(?<![A-Za-z_])-(?:nan|infinite|NaN|Infinity)(?![A-Za-z_])', lambda m: '-NaN' if 'nan' in m.group(0).lower() else '-Infinity', text)\n text = re.sub(r'(?<![A-Za-z_])(?:nan|infinite|NaN|Infinity)(?![A-Za-z_])', lambda m: 'NaN' if m.group(0).lower() == 'nan' else 'Infinity', text)\n text = re.sub(r'(?<![A-Za-z_])-NaN(?![A-Za-z_])', 'NaN', text)\n def parse_integer(text: str) -> int | float:\n integer = int(text)\n return float(integer) if abs(integer) > 2**53 else integer\n\n decoder = json.JSONDecoder(parse_constant=_parse_json_constant, parse_int=parse_integer)\n position = 0\n while True:\n while position < len(text) and text[position].isspace():\n position += 1\n if position >= len(text):\n return\n if position == 0 and text.startswith(\"\\ufeff\"):\n position += 1\n continue\n value, position = decoder.raw_decode(text, position)\n yield value\n\n\ndef _parse_json_constant(value: str) -> float:\n \"\"\"Decode jq's accepted non-standard numeric constants.\"\"\"\n return {\"NaN\": float(\"nan\"), \"nan\": float(\"nan\"),\n \"Infinity\": float(\"inf\"), \"infinite\": float(\"inf\"),\n \"-Infinity\": float(\"-inf\"), \"-infinite\": float(\"-inf\"),\n \"-NaN\": float(\"nan\"), \"-nan\": float(\"nan\")} [value]\n\"\"\"Executable boundary for ``jq -c '<program>'``.\"\"\"\n\nimport argparse\nimport json\nimport math\nimport sys\nfrom collections.abc import Iterator\n\nfrom .diagnostics import report_compile_error, report_runtime_error\nfrom .errors import CompileError, RuntimeError\nfrom .interpreter import Interpreter, parse_inputs\n\n# The conformance corpus deliberately exercises jq's deep-value limit with\n# values around ten thousand levels deep. Python's default limit is lower\n# than that and would turn valid jq processing into an uncaught RecursionError\n# while encoding an intermediate value.\nsys.setrecursionlimit(100000)\n\n\ndef _inputs() -> Iterator[object]:\n yield from parse_inputs(sys.stdin.read())\n\n\ndef _json_output(value: object) -> object:\n \"\"\"Convert jq's non-finite numbers to its JSON output representation.\n\n jq represents NaN and infinities as ``null`` when emitting JSON. Doing this\n recursively also covers values nested in arrays and objects.\n \"\"\"\n if isinstance(value, float) and not math.isfinite(value):\n return None\n if isinstance(value, list):\n return [_json_output(item) for item in value]\n if isinstance(value, dict):\n return {key: _json_output(item) for key, item in value.items()}\n return value\n\n\ndef main(argv: list[str] | None = None) -> int:\n arguments = argparse.ArgumentParser(prog=\"jq\")\n arguments.add_argument(\"-c\", action=\"store_true\")\n arguments.add_argument(\"program\")\n options = arguments.parse_args(argv)\n try:\n interpreter = Interpreter(options.program)\n except CompileError as error:\n return report_compile_error(error)\n try:\n for output in interpreter.run(_inputs()):\n from .evaluator import _deep_json_dumps\n print(_deep_json_dumps(output), flush=True)\n except (RuntimeError, ValueError, TypeError, json.JSONDecodeError) as error:\n return report_runtime_error(RuntimeError(str(error)))\n return 0\nimport json\nimport subprocess\nfrom pathlib import Path\n\nimport pytest\n\nfrom jq_interpreter.errors import CompileError\nfrom jq_interpreter.parser import parse\n\n\nROOT = Path(__file__).parents[1]\n\n\ndef run(program: str, value: object) -> subprocess.CompletedProcess[str]:\n return subprocess.run(\n [str(ROOT / \"jq\"), \"-c\", program],\n input=json.dumps(value) + \"\\n\",\n text=True,\n capture_output=True,\n check=False,\n )\n\n\ndef test_unicode_json_escapes_are_decoded() -> None:\n result = run(r'\"Aa\\r\\n\\t\\b\\f\\u03bc\"', None)\n assert result.returncode == 0\n assert json.loads(result.stdout) == \"Aa\\r\\n\\t\\b\\fμ\"\n\n\ndef test_interpolation_uses_filter_output() -> None:\n result = run(r'\"inter\\(\"pol\" + \"ation\")\"', None)\n assert result.returncode == 0\n assert json.loads(result.stdout) == \"interpolation\"\n\n\n@pytest.mark.parametrize(\n (\"program\", \"value\", \"expected\"),\n [\n (\"@uri\", \"μ\", \"%CE%BC\"),\n (\"@base64\", \"foóbar\\n\", \"Zm/Ds2Jhcgo=\"),\n ('@html \"<b>\\\\(.)</b>\"', \"<script>hax</script>\", \"<b><script>hax</script></b>\"),\n ],\n)\ndef test_format_literals(program: str, value: object, expected: str) -> None:\n result = run(program, value)\n assert result.returncode == 0\n assert json.loads(result.stdout) == expected\n\n\ndef test_invalid_escape_is_compile_failure() -> None:\n with pytest.raises(CompileError):\n parse(r'\"u\\vw\"')\n\n","exit_code":0,"status":"completed"}}
{"type":"item.started","item":{"id":"item_5","type":"command_execution","command":"/bin/bash -lc \"sed -n '1,300p' jq_interpreter/lexer.py && sed -n '1,320p' jq_interpreter/evaluator.py\"","aggregated_output":"","exit_code":null,"status":"in_progress"}}
{"type":"item.completed","item":{"id":"item_5","type":"command_execution","command":"/bin/bash -lc \"sed -n '1,300p' jq_interpreter/lexer.py && sed -n '1,320p' jq_interpreter/evaluator.py\"","aggregated_output":"\"\"\"Lexical scanner for jq source text.\"\"\"\n\nfrom dataclasses import dataclass\nfrom enum import Enum, auto\nimport re\n\nfrom .errors import CompileError\n\n\nclass TokenKind(Enum):\n IDENTIFIER = auto()\n NUMBER = auto()\n STRING = auto()\n FIELD = auto()\n BINDING = auto()\n FORMAT = auto()\n KEYWORD = auto()\n OPERATOR = auto()\n DELIMITER = auto()\n INTERPOLATION_START = auto()\n INTERPOLATION_END = auto()\n END = auto()\n IDENTITY = auto()\n\n\n@dataclass(frozen=True)\nclass Token:\n kind: TokenKind\n text: str\n position: int\n\n\n_KEYWORDS = {\"as\", \"def\", \"module\", \"import\", \"include\", \"if\", \"then\", \"else\", \"elif\", \"and\", \"or\", \"end\", \"reduce\", \"foreach\", \"try\", \"catch\", \"label\", \"break\"}\n_OPERATORS = (\"//=\", \"?//\", \"!=\", \"==\", \"|=\", \"+=\", \"-=\", \"*=\", \"/=\", \"%=\", \"<=\", \">=\", \"..\", \"//\")\n_DELIMITERS = set(\".?!=;,,:|+-*/%$<>{}[]()\")\n_NUMBER = re.compile(r\"(?:[0-9]+(?:\\.[0-9]*)?|\\.[0-9]+)(?:[eE][+-]?[0-9]+)?\")\n_NAME = re.compile(r\"[A-Za-z_][A-Za-z_0-9]*\")\n_QUALIFIED_NAME = re.compile(r\"(?:[A-Za-z_][A-Za-z_0-9]*::)*[A-Za-z_][A-Za-z_0-9]*\")\n\n\ndef _error(source: str, position: int, message: str) -> CompileError:\n line = source.count(\"\\n\", 0, position) + 1\n line_start = source.rfind(\"\\n\", 0, position) + 1\n return CompileError(f\"{message} at line {line}, column {position - line_start + 1}\")\n\n\ndef _scan_string(source: str, start: int) -> tuple[list[Token], int]:\n tokens = [Token(TokenKind.STRING, '\"', start)]\n position = start + 1\n text_start = position\n while position < len(source):\n character = source[position]\n if character == \"\\\\\":\n if position + 1 >= len(source):\n raise _error(source, position, \"unterminated string\")\n if source[position + 1] == \"(\":\n if text_start < position:\n tokens.append(Token(TokenKind.STRING, source[text_start:position], text_start))\n tokens.append(Token(TokenKind.INTERPOLATION_START, \"\\\\(\", position))\n expression_start = position + 2\n cursor = expression_start\n depth = 1\n quoted_expression = False\n escaped_expression = False\n while cursor < len(source):\n current = source[cursor]\n if quoted_expression:\n if escaped_expression:\n escaped_expression = False\n elif current == \"\\\\\":\n escaped_expression = True\n elif current == '\"':\n quoted_expression = False\n elif current == '\"':\n quoted_expression = True\n elif current == \"(\":\n depth += 1\n elif current == \")\":\n depth -= 1\n if depth == 0:\n inner = tokenize(source[expression_start:cursor])\n tokens.extend(inner[:-1])\n tokens.append(Token(TokenKind.INTERPOLATION_END, \")\", cursor))\n position = cursor + 1\n text_start = position\n break\n cursor += 1\n else:\n raise _error(source, position, \"unterminated interpolation\")\n continue\n if source[position + 1] == \"u\":\n escape = source[position + 2:position + 6]\n if len(escape) != 4 or not re.fullmatch(r\"[0-9A-Fa-f]{4}\", escape):\n raise _error(source, position, \"invalid unicode escape\")\n position += 6\n else:\n if source[position + 1] not in '\"\\\\/bfnrt':\n raise _error(source, position, \"invalid escape\")\n position += 2\n continue\n if character == '\"':\n if text_start < position:\n tokens.append(Token(TokenKind.STRING, source[text_start:position], text_start))\n tokens.append(Token(TokenKind.STRING, '\"', position))\n return tokens, position + 1\n if ord(character) < 0x20:\n raise _error(source, position, \"control character in string\")\n position += 1\n raise _error(source, start, \"unterminated string\")\n\n\ndef tokenize(source: str) -> list[Token]:\n \"\"\"Tokenize jq source, retaining offsets and rejecting lexical errors.\"\"\"\n tokens: list[Token] = []\n position = 0\n while position < len(source):\n character = source[position]\n if character.isspace():\n position += 1\n continue\n if character == \"#\":\n newline = source.find(\"\\n\", position)\n position = len(source) if newline < 0 else newline + 1\n continue\n if character == '\"':\n string_tokens, position = _scan_string(source, position)\n tokens.extend(string_tokens)\n continue\n number = _NUMBER.match(source, position)\n if number:\n tokens.append(Token(TokenKind.NUMBER, number.group(), position))\n position = number.end()\n continue\n if character == \".\" and position + 1 < len(source) and source[position + 1].isalpha():\n name = _NAME.match(source, position + 1)\n assert name is not None\n tokens.append(Token(TokenKind.FIELD, source[position:name.end()], position))\n position = name.end()\n continue\n if character == \"$\":\n name = _QUALIFIED_NAME.match(source, position + 1)\n if not name:\n raise _error(source, position, \"invalid binding\")\n tokens.append(Token(TokenKind.BINDING, source[position:name.end()], position))\n position = name.end()\n continue\n if character == \"@\":\n name = _NAME.match(source, position + 1)\n if not name:\n raise _error(source, position, \"invalid format\")\n tokens.append(Token(TokenKind.FORMAT, source[position:name.end()], position))\n position = name.end()\n continue\n qualified = _QUALIFIED_NAME.match(source, position)\n if qualified:\n text = qualified.group()\n kind = TokenKind.KEYWORD if text in _KEYWORDS else TokenKind.IDENTIFIER\n tokens.append(Token(kind, text, position))\n position = qualified.end()\n continue\n operator = next((value for value in _OPERATORS if source.startswith(value, position)), None)\n if operator:\n tokens.append(Token(TokenKind.OPERATOR, operator, position))\n position += len(operator)\n continue\n if character in _DELIMITERS:\n kind = TokenKind.IDENTITY if character == \".\" else TokenKind.DELIMITER\n tokens.append(Token(kind, character, position))\n position += 1\n continue\n raise _error(source, position, \"unexpected character\")\n tokens.append(Token(TokenKind.END, \"\", len(source)))\n return tokens\n\"\"\"Ordered generator evaluator boundary.\"\"\"\nimport json\nimport math\nimport datetime\nimport itertools\n\nfrom .ast import Add, Array, Comma, Filter, Format, Identity, Iterate, Literal, Limit, Node, Pipe, Raise, StringTemplate\nfrom .errors import RuntimeError\nfrom .runtime import JsonValue, ValueStream, identity_stream\n\n\nclass _OverflowFloat(float):\n \"\"\"A parsed exponent overflow that jq still emits as a JSON number.\"\"\"\n\n pass\n\n\ndef evaluate(program: Filter, value: JsonValue) -> ValueStream:\n \"\"\"Evaluate one input as an ordered stream of output values.\"\"\"\n if isinstance(program, Node):\n yield from _node(program, value, {})\n return\n if isinstance(program, Identity):\n yield from identity_stream(value)\n return\n if isinstance(program, Iterate):\n yield from _iter_values(value)\n return\n if isinstance(program, Literal):\n yield program.value\n return\n if isinstance(program, Pipe):\n for intermediate in evaluate(program.left, value): yield from evaluate(program.right, intermediate)\n return\n if isinstance(program, Add):\n left = list(evaluate(program.left, value))\n right = list(evaluate(program.right, value))\n for first in left:\n for second in right:\n if isinstance(first, (int, float)) and isinstance(second, (int, float)):\n yield first + second\n elif isinstance(first, str) and isinstance(second, str): yield first + second\n elif first is None: yield second\n elif second is None: yield first\n else: raise RuntimeError(\"cannot add values\")\n return\n if isinstance(program, StringTemplate):\n pieces: list[str] = []\n for part in program.parts:\n pieces.append(part if isinstance(part, str) else \"\".join(_stringify(x) for x in evaluate(part, value)))\n yield \"\".join(pieces)\n return\n if isinstance(program, Format):\n if program.template is None: yield _apply_format(program.name, value)\n else:\n pieces: list[str] = []\n for part in program.template.parts:\n if isinstance(part, str): pieces.append(part)\n else:\n pieces.extend(_apply_format(program.name, item) for item in evaluate(part, value))\n yield \"\".join(pieces)\n return\n if isinstance(program, Comma):\n yield from evaluate(program.left, value)\n yield from evaluate(program.right, value)\n return\n if isinstance(program, Raise):\n raise RuntimeError(program.message)\n if isinstance(program, Array):\n yield list(evaluate(program.expression, value))\n return\n if isinstance(program, Limit):\n outputs = iter(evaluate(program.expression, value))\n for _ in range(program.count):\n try:\n yield next(outputs)\n except StopIteration:\n break\n return\n raise RuntimeError(\"unknown compiled filter\")\n\ndef _node(node: Node, value: object, env: dict[str, object]) -> ValueStream:\n op, a = node.operation, node.arguments\n if op == \"identity\": yield value\n elif op == \"literal\":\n text=a[0]; special={\"true\":True,\"false\":False,\"null\":None,\"nan\":float(\"nan\"),\"infinite\":float(\"inf\"),\"-infinite\":float(\"-inf\"),\"-nan\":float(\"nan\")}\n if text in special:\n yield special[text]\n else:\n parsed = json.loads(text)\n if isinstance(parsed, int) and abs(parsed) > 2**53:\n parsed = float(parsed)\n if isinstance(parsed, float) and math.isinf(parsed):\n parsed = _OverflowFloat(parsed)\n yield parsed\n elif op == \"string\": yield _decode_string(a[0], value, env)\n elif op == \"format\": yield _apply_format(a[0], value)\n elif op == \"format_template\":\n # Interpolation is evaluated first; the formatter consumes the\n # resulting string (not the original input value).\n yield _apply_format(a[0], _decode_string(a[1], value, env))\n elif op == \"var\":\n if a[0] == '__loc__':\n yield {'file': '<top-level>', 'line': 1}\n return\n if a[0] in env and not isinstance(env[a[0]], tuple):\n bound = env[a[0]]\n if isinstance(bound, Node): yield from _node(bound, value, env)\n else: yield bound\n return\n if a[0] in env.get('__params__', {}):\n captured, argument = env['__params__'][a[0]]\n yield from _node(argument, value, captured)\n return\n if a[0] not in env: raise RuntimeError(f\"variable ${a[0]} is not defined\")\n bound = env[a[0]]\n if isinstance(bound, tuple) and bound and bound[0] == '__closure__':\n yield from _node(bound[1], value, {**env, **bound[2]})\n elif isinstance(bound, Node):\n yield from _node(bound, value, env)\n else:\n yield bound\n elif op == \"bind\":\n for item in _node(a[0], value, env):\n bound=dict(env)\n _initialize_pattern(a[1], bound)\n if not _bind_pattern(a[1], item, bound):\n continue\n # `exp as $x | rest` binds the value produced by exp while the\n # remainder continues with the original input.\n yield from _node(a[2], value, bound)\n elif op == \"field\": yield _index(value, a[0])\n elif op == \"recurse\":\n def walk(item):\n yield item\n if isinstance(item, list):\n for child in item: yield from walk(child)\n elif isinstance(item, dict):\n for child in item.values(): yield from walk(child)\n yield from walk(value)\n elif op == \"index\":\n for base in _node(a[0],value,env): yield _index(base,a[1])\n elif op == \"iterate\":\n for base in _node(a[0],value,env):\n yield from _iter_values(base)\n elif op in (\"indexexpr\",\"slice\"):\n for base in _node(a[0],value,env):\n if op==\"slice\":\n # Slice bounds are filters over the surrounding input, not\n # over the value being sliced (for example map([1,2][0:.])).\n start=_one(a[1],value,env); end=None if a[2] is None else _one(a[2],value,env)\n import math as _math\n first = 0 if start is None or (isinstance(start, float) and _math.isnan(start)) else _math.floor(start)\n last = None if end is None or (isinstance(end, float) and _math.isnan(end)) else _math.ceil(end)\n if first < 0: first = max(0, len(base) + int(first))\n if last is not None and last < 0: last = max(0, len(base) + int(last))\n if base is None:\n yield None\n elif isinstance(base, (list, str)):\n yield base[int(first):None if last is None else int(last)]\n else:\n raise RuntimeError(f'Cannot index {_type_name(base)} with string (\"\\\")')\n else:\n for key in _node(a[1], value, env):\n yield _index(base, key)\n elif op == \"array\": yield [] if a[0] is None else list(_node(a[0],value,env))\n elif op == \"object\":\n results=[{}]\n for key, expr in a[0]:\n keys=list(_node(key,value,env))\n values=list(_node(expr,value,env))\n expanded=[]\n for prior in results:\n for k in keys:\n for v in values:\n item=dict(prior); item[str(k)]=v; expanded.append(item)\n results=expanded\n yield from results\n elif op == \"binary\": yield from _binary(a[0],a[1],a[2],value,env)\n elif op == \"unary\":\n # Unary operators are filters and must preserve generator\n # multiplicity (``-.[]`` negates every array element).\n for x in _node(a[1], value, env):\n if not isinstance(x, (int, float)) or isinstance(x, bool):\n raise RuntimeError(f\"{_type_name(x)} ({_short(x)}) cannot be negated\")\n yield _OverflowFloat(-x) if isinstance(x, _OverflowFloat) else -x\n elif op == \"optional\":\n stream = iter(_node(a[0], value, env))\n while True:\n try:\n yield next(stream)\n except StopIteration:\n return\n except (RuntimeError, ValueError, TypeError, IndexError):\n return\n elif op == \"if\":\n # The condition is a filter, not a scalar expression. jq evaluates\n # each condition result independently and therefore may select both\n # branches for one input.\n for condition in _node(a[0], value, env):\n branch = a[1] if _truth(condition) else a[2]\n yield from _node(branch, value, env)\n elif op == \"try\":\n try: yield from _node(a[0],value,env)\n except (RuntimeError, ValueError, TypeError, IndexError) as error:\n if a[1] is not None:\n caught = error.args[0] if error.args else str(error)\n yield from _node(a[1],caught,env)\n elif op == \"label\":\n try: yield from _node(a[1], value, {**env, '__label__': a[0]})\n except _Break as exc:\n if exc.name != a[0]: raise\n elif op == \"break\":\n raise _Break(a[0])\n elif op in (\"reduce\", \"foreach\"):\n states=list(_node(a[0], value, env))\n # Binary filters in jq are generator products whose divisor-side\n # stream is advanced outermost. This matters for reductions and\n # foreach because their state observes the ordering, even though the\n # resulting multiset is unchanged.\n source = a[0]\n if (source.operation == 'binary' and source.arguments[0] == '/'\n and source.arguments[1].operation == 'iterate'\n and source.arguments[2].operation == 'iterate'):\n left = list(_node(source.arguments[1], value, env))\n right = list(_node(source.arguments[2], value, env))\n states = [x / y for y in right for x in left]\n initial=list(_node(a[2], value, env))\n if op == 'foreach':\n for start in initial:\n current = start\n for item in states:\n bound=dict(env)\n if not _bind_pattern(a[1], item, bound): continue\n outputs=list(_node(a[3], current, bound))\n for result in outputs:\n current = result\n if a[4] is None: yield result\n else: yield from _node(a[4], result, bound)\n return\n currents=initial\n for item in states:\n next_currents=[]\n for current in currents:\n bound=dict(env)\n _initialize_pattern(a[1], bound)\n if not _bind_pattern(a[1], item, bound):\n continue\n next_currents.extend(_node(a[3], current, bound))\n currents=next_currents\n if op == \"foreach\":\n if a[4] is None:\n yield from currents\n else:\n for result in currents: yield from _node(a[4], result, env)\n if op==\"reduce\": yield from currents\n elif op == \"call\": yield from _call(a[0],a[1],value,env)\n elif op == \"def\":\n env.setdefault('__funcs__',{})[(a[0], len(a[1]))]=(a[1],a[2])\n yield value\n elif op == \"defprog\":\n funcs=dict(env.get('__funcs__',{}))\n definitions=[]\n program: Node = node\n while program.operation == 'defprog':\n definitions.append(program.arguments[0].arguments)\n program = program.arguments[1]\n # Each definition captures the overload set visible at its point of\n # declaration. Later redefinitions affect the remainder of the\n # program but do not retroactively change earlier function bodies.\n for name, params, body in definitions:\n closure = dict(funcs)\n function = (params, body, closure)\n closure[(name, len(params))] = function # permit recursion\n funcs[(name, len(params))] = function\n yield from _node(program, value, {**env, '__funcs__': funcs})\n elif op == \"unsupported\": raise RuntimeError(\"unsupported syntax\")\n\nclass _Break(Exception):\n def __init__(self, name): self.name=name\n\ndef _bind_pattern(pattern, value, env):\n op, args=pattern.operation, pattern.arguments\n if op=='pattern_alt':\n first, second=args\n trial=dict(env)\n if _bind_pattern(first,value,trial): env.update(trial); return True\n return _bind_pattern(second,value,env)\n if op=='pattern_var': env[args[0]]=value; return True\n elif op == 'pattern_bind':\n env[args[0]] = value\n return _bind_pattern(args[1], value, env)\n elif op=='pattern_array':\n if not isinstance(value,list): return False\n for i,p in enumerate(args[0]):\n if not _bind_pattern(p, value[i] if i<len(value) else None, env): return False\n return True\n elif op=='pattern_object':\n if not isinstance(value,dict): return False\n for key,p in args[0]:\n if isinstance(key, Node):\n key = _one(key, value, env)\n if not _bind_pattern(p, value.get(key), env): return False\n return True\n return False\n\ndef _pattern_names(pattern):\n op, args = pattern.operation, pattern.arguments\n if op == 'pattern_var': return {args[0]}\n if op == 'pattern_bind': return {args[0]} | _pattern_names(args[1])\n if op == 'pattern_array':\n result = set()\n for child in args[0]: result |= _pattern_names(child)\n return result\n if op == 'pattern_object':\n result = set()\n for _, child in args[0]: result |= _pattern_names(child)\n return result\n if op == 'pattern_alt': return _pattern_names(args[0]) | _pattern_names(args[1])\n return set()\n","exit_code":0,"status":"completed"}}
{"type":"item.completed","item":{"id":"item_6","type":"agent_message","text":"The codebase already has AST nodes and evaluator hooks for fields, indexes, slices, iteration, and optional access. I’m narrowing this block to the access boundary: parser tokenization of chained/index forms plus the evaluator’s jq-specific type, missing, and negative-index rules."}}
{"type":"item.started","item":{"id":"item_7","type":"command_execution","command":"/bin/bash -lc \"rg -n \\\"def _index|def _iter_values|elif op == \\\\\\\"field\\\\\\\"|elif op == \\\\\\\"indexexpr\\\\\\\"|def tokenize|class Lexer|\\\\[\\\" jq_interpreter/evaluator.py jq_interpreter/lexer.py jq_interpreter/parser.py tests | head -160 && sed -n '1,180p' jq_interpreter/evaluator.py && sed -n '180,380p' jq_interpreter/evaluator.py && sed -n '150,330p' jq_interpreter/lexer.py\"","aggregated_output":"","exit_code":null,"status":"in_progress"}}
{"type":"item.completed","item":{"id":"item_7","type":"command_execution","command":"/bin/bash -lc \"rg -n \\\"def _index|def _iter_values|elif op == \\\\\\\"field\\\\\\\"|elif op == \\\\\\\"indexexpr\\\\\\\"|def tokenize|class Lexer|\\\\[\\\" jq_interpreter/evaluator.py jq_interpreter/lexer.py jq_interpreter/parser.py tests | head -160 && sed -n '1,180p' jq_interpreter/evaluator.py && sed -n '180,380p' jq_interpreter/evaluator.py && sed -n '150,330p' jq_interpreter/lexer.py\"","aggregated_output":"\"\"\"Ordered generator evaluator boundary.\"\"\"\nimport json\nimport math\nimport datetime\nimport itertools\n\nfrom .ast import Add, Array, Comma, Filter, Format, Identity, Iterate, Literal, Limit, Node, Pipe, Raise, StringTemplate\nfrom .errors import RuntimeError\nfrom .runtime import JsonValue, ValueStream, identity_stream\n\n\nclass _OverflowFloat(float):\n \"\"\"A parsed exponent overflow that jq still emits as a JSON number.\"\"\"\n\n pass\n\n\ndef evaluate(program: Filter, value: JsonValue) -> ValueStream:\n \"\"\"Evaluate one input as an ordered stream of output values.\"\"\"\n if isinstance(program, Node):\n yield from _node(program, value, {})\n return\n if isinstance(program, Identity):\n yield from identity_stream(value)\n return\n if isinstance(program, Iterate):\n yield from _iter_values(value)\n return\n if isinstance(program, Literal):\n yield program.value\n return\n if isinstance(program, Pipe):\n for intermediate in evaluate(program.left, value): yield from evaluate(program.right, intermediate)\n return\n if isinstance(program, Add):\n left = list(evaluate(program.left, value))\n right = list(evaluate(program.right, value))\n for first in left:\n for second in right:\n if isinstance(first, (int, float)) and isinstance(second, (int, float)):\n yield first + second\n elif isinstance(first, str) and isinstance(second, str): yield first + second\n elif first is None: yield second\n elif second is None: yield first\n else: raise RuntimeError(\"cannot add values\")\n return\n if isinstance(program, StringTemplate):\n pieces: list[str] = []\n for part in program.parts:\n pieces.append(part if isinstance(part, str) else \"\".join(_stringify(x) for x in evaluate(part, value)))\n yield \"\".join(pieces)\n return\n if isinstance(program, Format):\n if program.template is None: yield _apply_format(program.name, value)\n else:\n pieces: list[str] = []\n for part in program.template.parts:\n if isinstance(part, str): pieces.append(part)\n else:\n pieces.extend(_apply_format(program.name, item) for item in evaluate(part, value))\n yield \"\".join(pieces)\n return\n if isinstance(program, Comma):\n yield from evaluate(program.left, value)\n yield from evaluate(program.right, value)\n return\n if isinstance(program, Raise):\n raise RuntimeError(program.message)\n if isinstance(program, Array):\n yield list(evaluate(program.expression, value))\n return\n if isinstance(program, Limit):\n outputs = iter(evaluate(program.expression, value))\n for _ in range(program.count):\n try:\n yield next(outputs)\n except StopIteration:\n break\n return\n raise RuntimeError(\"unknown compiled filter\")\n\ndef _node(node: Node, value: object, env: dict[str, object]) -> ValueStream:\n op, a = node.operation, node.arguments\n if op == \"identity\": yield value\n elif op == \"literal\":\n text=a[0]; special={\"true\":True,\"false\":False,\"null\":None,\"nan\":float(\"nan\"),\"infinite\":float(\"inf\"),\"-infinite\":float(\"-inf\"),\"-nan\":float(\"nan\")}\n if text in special:\n yield special[text]\n else:\n parsed = json.loads(text)\n if isinstance(parsed, int) and abs(parsed) > 2**53:\n parsed = float(parsed)\n if isinstance(parsed, float) and math.isinf(parsed):\n parsed = _OverflowFloat(parsed)\n yield parsed\n elif op == \"string\": yield _decode_string(a[0], value, env)\n elif op == \"format\": yield _apply_format(a[0], value)\n elif op == \"format_template\":\n # Interpolation is evaluated first; the formatter consumes the\n # resulting string (not the original input value).\n yield _apply_format(a[0], _decode_string(a[1], value, env))\n elif op == \"var\":\n if a[0] == '__loc__':\n yield {'file': '<top-level>', 'line': 1}\n return\n if a[0] in env and not isinstance(env[a[0]], tuple):\n bound = env[a[0]]\n if isinstance(bound, Node): yield from _node(bound, value, env)\n else: yield bound\n return\n if a[0] in env.get('__params__', {}):\n captured, argument = env['__params__'][a[0]]\n yield from _node(argument, value, captured)\n return\n if a[0] not in env: raise RuntimeError(f\"variable ${a[0]} is not defined\")\n bound = env[a[0]]\n if isinstance(bound, tuple) and bound and bound[0] == '__closure__':\n yield from _node(bound[1], value, {**env, **bound[2]})\n elif isinstance(bound, Node):\n yield from _node(bound, value, env)\n else:\n yield bound\n elif op == \"bind\":\n for item in _node(a[0], value, env):\n bound=dict(env)\n _initialize_pattern(a[1], bound)\n if not _bind_pattern(a[1], item, bound):\n continue\n # `exp as $x | rest` binds the value produced by exp while the\n # remainder continues with the original input.\n yield from _node(a[2], value, bound)\n elif op == \"field\": yield _index(value, a[0])\n elif op == \"recurse\":\n def walk(item):\n yield item\n if isinstance(item, list):\n for child in item: yield from walk(child)\n elif isinstance(item, dict):\n for child in item.values(): yield from walk(child)\n yield from walk(value)\n elif op == \"index\":\n for base in _node(a[0],value,env): yield _index(base,a[1])\n elif op == \"iterate\":\n for base in _node(a[0],value,env):\n yield from _iter_values(base)\n elif op in (\"indexexpr\",\"slice\"):\n for base in _node(a[0],value,env):\n if op==\"slice\":\n # Slice bounds are filters over the surrounding input, not\n # over the value being sliced (for example map([1,2][0:.])).\n start=_one(a[1],value,env); end=None if a[2] is None else _one(a[2],value,env)\n import math as _math\n first = 0 if start is None or (isinstance(start, float) and _math.isnan(start)) else _math.floor(start)\n last = None if end is None or (isinstance(end, float) and _math.isnan(end)) else _math.ceil(end)\n if first < 0: first = max(0, len(base) + int(first))\n if last is not None and last < 0: last = max(0, len(base) + int(last))\n if base is None:\n yield None\n elif isinstance(base, (list, str)):\n yield base[int(first):None if last is None else int(last)]\n else:\n raise RuntimeError(f'Cannot index {_type_name(base)} with string (\"\\\")')\n else:\n for key in _node(a[1], value, env):\n yield _index(base, key)\n elif op == \"array\": yield [] if a[0] is None else list(_node(a[0],value,env))\n elif op == \"object\":\n results=[{}]\n for key, expr in a[0]:\n keys=list(_node(key,value,env))\n values=list(_node(expr,value,env))\n expanded=[]\n for prior in results:\n for k in keys:\n for v in values:\n item=dict(prior); item[str(k)]=v; expanded.append(item)\n results=expanded\n yield from results\n elif op == \"binary\": yield from _binary(a[0],a[1],a[2],value,env)\n elif op == \"unary\":\n elif op == \"unary\":\n # Unary operators are filters and must preserve generator\n # multiplicity (``-.[]`` negates every array element).\n for x in _node(a[1], value, env):\n if not isinstance(x, (int, float)) or isinstance(x, bool):\n raise RuntimeError(f\"{_type_name(x)} ({_short(x)}) cannot be negated\")\n yield _OverflowFloat(-x) if isinstance(x, _OverflowFloat) else -x\n elif op == \"optional\":\n stream = iter(_node(a[0], value, env))\n while True:\n try:\n yield next(stream)\n except StopIteration:\n return\n except (RuntimeError, ValueError, TypeError, IndexError):\n return\n elif op == \"if\":\n # The condition is a filter, not a scalar expression. jq evaluates\n # each condition result independently and therefore may select both\n # branches for one input.\n for condition in _node(a[0], value, env):\n branch = a[1] if _truth(condition) else a[2]\n yield from _node(branch, value, env)\n elif op == \"try\":\n try: yield from _node(a[0],value,env)\n except (RuntimeError, ValueError, TypeError, IndexError) as error:\n if a[1] is not None:\n caught = error.args[0] if error.args else str(error)\n yield from _node(a[1],caught,env)\n elif op == \"label\":\n try: yield from _node(a[1], value, {**env, '__label__': a[0]})\n except _Break as exc:\n if exc.name != a[0]: raise\n elif op == \"break\":\n raise _Break(a[0])\n elif op in (\"reduce\", \"foreach\"):\n states=list(_node(a[0], value, env))\n # Binary filters in jq are generator products whose divisor-side\n # stream is advanced outermost. This matters for reductions and\n # foreach because their state observes the ordering, even though the\n # resulting multiset is unchanged.\n source = a[0]\n if (source.operation == 'binary' and source.arguments[0] == '/'\n and source.arguments[1].operation == 'iterate'\n and source.arguments[2].operation == 'iterate'):\n left = list(_node(source.arguments[1], value, env))\n right = list(_node(source.arguments[2], value, env))\n states = [x / y for y in right for x in left]\n initial=list(_node(a[2], value, env))\n if op == 'foreach':\n for start in initial:\n current = start\n for item in states:\n bound=dict(env)\n if not _bind_pattern(a[1], item, bound): continue\n outputs=list(_node(a[3], current, bound))\n for result in outputs:\n current = result\n if a[4] is None: yield result\n else: yield from _node(a[4], result, bound)\n return\n currents=initial\n for item in states:\n next_currents=[]\n for current in currents:\n bound=dict(env)\n _initialize_pattern(a[1], bound)\n if not _bind_pattern(a[1], item, bound):\n continue\n next_currents.extend(_node(a[3], current, bound))\n currents=next_currents\n if op == \"foreach\":\n if a[4] is None:\n yield from currents\n else:\n for result in currents: yield from _node(a[4], result, env)\n if op==\"reduce\": yield from currents\n elif op == \"call\": yield from _call(a[0],a[1],value,env)\n elif op == \"def\":\n env.setdefault('__funcs__',{})[(a[0], len(a[1]))]=(a[1],a[2])\n yield value\n elif op == \"defprog\":\n funcs=dict(env.get('__funcs__',{}))\n definitions=[]\n program: Node = node\n while program.operation == 'defprog':\n definitions.append(program.arguments[0].arguments)\n program = program.arguments[1]\n # Each definition captures the overload set visible at its point of\n # declaration. Later redefinitions affect the remainder of the\n # program but do not retroactively change earlier function bodies.\n for name, params, body in definitions:\n closure = dict(funcs)\n function = (params, body, closure)\n closure[(name, len(params))] = function # permit recursion\n funcs[(name, len(params))] = function\n yield from _node(program, value, {**env, '__funcs__': funcs})\n elif op == \"unsupported\": raise RuntimeError(\"unsupported syntax\")\n\nclass _Break(Exception):\n def __init__(self, name): self.name=name\n\ndef _bind_pattern(pattern, value, env):\n op, args=pattern.operation, pattern.arguments\n if op=='pattern_alt':\n first, second=args\n trial=dict(env)\n if _bind_pattern(first,value,trial): env.update(trial); return True\n return _bind_pattern(second,value,env)\n if op=='pattern_var': env[args[0]]=value; return True\n elif op == 'pattern_bind':\n env[args[0]] = value\n return _bind_pattern(args[1], value, env)\n elif op=='pattern_array':\n if not isinstance(value,list): return False\n for i,p in enumerate(args[0]):\n if not _bind_pattern(p, value[i] if i<len(value) else None, env): return False\n return True\n elif op=='pattern_object':\n if not isinstance(value,dict): return False\n for key,p in args[0]:\n if isinstance(key, Node):\n key = _one(key, value, env)\n if not _bind_pattern(p, value.get(key), env): return False\n return True\n return False\n\ndef _pattern_names(pattern):\n op, args = pattern.operation, pattern.arguments\n if op == 'pattern_var': return {args[0]}\n if op == 'pattern_bind': return {args[0]} | _pattern_names(args[1])\n if op == 'pattern_array':\n result = set()\n for child in args[0]: result |= _pattern_names(child)\n return result\n if op == 'pattern_object':\n result = set()\n for _, child in args[0]: result |= _pattern_names(child)\n return result\n if op == 'pattern_alt': return _pattern_names(args[0]) | _pattern_names(args[1])\n return set()\n\ndef _initialize_pattern(pattern, env):\n op, args = pattern.operation, pattern.arguments\n if op == 'pattern_var': env.setdefault(args[0], None)\n elif op == 'pattern_bind':\n env.setdefault(args[0], None); _initialize_pattern(args[1], env)\n elif op == 'pattern_array':\n for item in args[0]: _initialize_pattern(item, env)\n elif op == 'pattern_object':\n for _, item in args[0]: _initialize_pattern(item, env)\n elif op == 'pattern_alt':\n _initialize_pattern(args[0], env); _initialize_pattern(args[1], env)\n\ndef _one(node, value, env):\n vals=list(_node(node,value,env)); return vals[0] if vals else None\n\n\ndef _cartesian_arguments(args, value, env):\n \"\"\"Evaluate filter arguments and yield their ordered Cartesian product.\n\n jq arguments are filters rather than already-evaluated scalar values. A\n filter can therefore produce zero, one, or many values. The leftmost\n argument is the outermost dimension, matching jq's generator ordering.\n Materializing each individual stream is intentional: every combination\n must reuse the complete stream for each argument.\n \"\"\"\n streams = [list(_node(argument, value, env)) for argument in args]\n if not streams:\n yield ()\n return\n yield from itertools.product(*streams)\n\n\ndef _truth(x): return x is not None and x is not False\n\n\ndef _iter_values(value: object) -> ValueStream:\n \"\"\"Yield each member of an iterable jq value in source order.\n\n This helper deliberately yields directly from the input container. It\n keeps iteration lazy, so a downstream filter can backtrack to the next\n member without collapsing the generator into one result or reordering\n duplicate values.\n \"\"\"\n if isinstance(value, list):\n yield from value\n elif isinstance(value, dict):\n yield from value.values()\n else:\n raise RuntimeError(f\"Cannot iterate over {_type_name(value)} ({_stringify(value)})\")\n\n\ndef _index(v,k):\n if v is None:\n return None\n if isinstance(v,dict): return v.get(str(k))\n if isinstance(v,list):\n if isinstance(k, float) and math.isnan(k):\n return None\n if isinstance(k, bool) or not isinstance(k, (int, float)):\n raise _error(source, position, \"invalid format\")\n tokens.append(Token(TokenKind.FORMAT, source[position:name.end()], position))\n position = name.end()\n continue\n qualified = _QUALIFIED_NAME.match(source, position)\n if qualified:\n text = qualified.group()\n kind = TokenKind.KEYWORD if text in _KEYWORDS else TokenKind.IDENTIFIER\n tokens.append(Token(kind, text, position))\n position = qualified.end()\n continue\n operator = next((value for value in _OPERATORS if source.startswith(value, position)), None)\n if operator:\n tokens.append(Token(TokenKind.OPERATOR, operator, position))\n position += len(operator)\n continue\n if character in _DELIMITERS:\n kind = TokenKind.IDENTITY if character == \".\" else TokenKind.DELIMITER\n tokens.append(Token(kind, character, position))\n position += 1\n continue\n raise _error(source, position, \"unexpected character\")\n tokens.append(Token(TokenKind.END, \"\", len(source)))\n return tokens\n","exit_code":0,"status":"completed"}}
{"type":"item.started","item":{"id":"item_8","type":"command_execution","command":"/bin/bash -lc \"sed -n '360,470p' jq_interpreter/evaluator.py; sed -n '112,180p' jq_interpreter/lexer.py; sed -n '285,340p' jq_interpreter/parser.py; ./jq -c '.foo' <<<'{\\\"foo\\\":42}' ; ./jq -c '.[-1]' <<<'[1,2,3]' ; ./jq -c '.[1]' <<<'\\\"abc\\\"'; ./jq -c '.foo?' <<<'1'; ./jq -c '.foo' <<<'1'; python3 -m pytest -q\"","aggregated_output":"","exit_code":null,"status":"in_progress"}}
{"type":"item.completed","item":{"id":"item_8","type":"command_execution","command":"/bin/bash -lc \"sed -n '360,470p' jq_interpreter/evaluator.py; sed -n '112,180p' jq_interpreter/lexer.py; sed -n '285,340p' jq_interpreter/parser.py; ./jq -c '.foo' <<<'{\\\"foo\\\":42}' ; ./jq -c '.[-1]' <<<'[1,2,3]' ; ./jq -c '.[1]' <<<'\\\"abc\\\"'; ./jq -c '.foo?' <<<'1'; ./jq -c '.foo' <<<'1'; python3 -m pytest -q\"","aggregated_output":"3\n\"b\"\njq: runtime error: Cannot index number with string (\"foo\")\n.............................................................. [100%]\n62 passed in 6.66s\n","exit_code":0,"status":"completed"}}
{"type":"item.started","item":{"id":"item_9","type":"command_execution","command":"/bin/bash -lc 'JQ=\"$PWD/jq\" python3 sources/run_conformance.py --select '\"'\\\\.[A-Za-z]|\\\\[[-0-9]' --json\"","aggregated_output":"","exit_code":null,"status":"in_progress"}}
{"type":"item.completed","item":{"id":"item_9","type":"command_execution","command":"/bin/bash -lc 'JQ=\"$PWD/jq\" python3 sources/run_conformance.py --select '\"'\\\\.[A-Za-z]|\\\\[[-0-9]' --json\"","aggregated_output":"{\n \"candidate\": [\n \"/mnt/c/Users/barlo/projects/drydock/uat/jq/runs/20260822.044627/build/jq/jq\"\n ],\n \"corpus\": \"jq.test\",\n \"summary\": {\n \"pass\": 135,\n \"fail\": 0,\n \"error\": 0,\n \"skip\": 3\n },\n \"cases\": [\n {\n \"line\": 1912,\n \"program\": \"import \\\"data\\\" as $e; import \\\"data\\\" as $d; [$d[].this,$e[].that,$d::d[].this,$e::e[].that]|join(\\\";\\\")\",\n \"status\": \"skip\",\n \"detail\": \"declared in exclusions.txt\",\n \"expect_failure\": false,\n \"expected\": [\n \"\\\"is a test;is too;is a test;is too\\\"\"\n ],\n \"actual\": []\n },\n {\n \"line\": 1973,\n \"program\": \"modulemeta | .deps | length\",\n \"status\": \"skip\",\n \"detail\": \"declared in exclusions.txt\",\n \"expect_failure\": false,\n \"expected\": [\n \"6\"\n ],\n \"actual\": []\n },\n {\n \"line\": 1977,\n \"program\": \"modulemeta | .defs | length\",\n \"status\": \"skip\",\n \"detail\": \"declared in exclusions.txt\",\n \"expect_failure\": false,\n \"expected\": [\n \"2\"\n ],\n \"actual\": []\n }\n ]\n}\n","exit_code":0,"status":"completed"}}
{"type":"item.started","item":{"id":"item_10","type":"command_execution","command":"/bin/bash -lc \"rg -n \\\"def _get_path|def _set_path|_index\\\\(\\\" jq_interpreter/evaluator.py && sed -n '500,680p' jq_interpreter/evaluator.py && ./jq -c '.[1.2]' <<<'[1,2,3]'; ./jq -c '.[true]' <<<'[1,2]'; ./jq -c '.[1]' <<<'{\\\"1\\\":\\\"x\\\"}'; ./jq -c '.[\\\"x\\\"]' <<<'[1,2]'; ./jq -c '.foo' <<<'null'\"","aggregated_output":"","exit_code":null,"status":"in_progress"}}
{"type":"item.completed","item":{"id":"item_10","type":"command_execution","command":"/bin/bash -lc \"rg -n \\\"def _get_path|def _set_path|_index\\\\(\\\" jq_interpreter/evaluator.py && sed -n '500,680p' jq_interpreter/evaluator.py && ./jq -c '.[1.2]' <<<'[1,2,3]'; ./jq -c '.[true]' <<<'[1,2]'; ./jq -c '.[1]' <<<'{\\\"1\\\":\\\"x\\\"}'; ./jq -c '.[\\\"x\\\"]' <<<'[1,2]'; ./jq -c '.foo' <<<'null'\"","aggregated_output":"jq: runtime error: Cannot index array with string (true)\n\"x\"\njq: runtime error: Cannot index array with string (\"x\")\nnull\n","exit_code":0,"status":"completed"}}
{"type":"item.started","item":{"id":"item_11","type":"command_execution","command":"/bin/bash -lc \"sed -n '860,990p' jq_interpreter/evaluator.py && sed -n '1,120p' tests/conftest.py && sed -n '1,180p' tests/test_core_003_errors.py\"","aggregated_output":"","exit_code":null,"status":"in_progress"}}
{"type":"item.completed","item":{"id":"item_11","type":"command_execution","command":"/bin/bash -lc \"sed -n '860,990p' jq_interpreter/evaluator.py && sed -n '1,120p' tests/conftest.py && sed -n '1,180p' tests/test_core_003_errors.py\"","aggregated_output":" if isinstance(bound, tuple) and bound and bound[0] == '__closure__':\n return _paths(bound[1], value, bound[2])\n if op == 'call' and args[0] == 'getpath' and args[1]:\n path = _one(args[1][0], value, env)\n if isinstance(path, list):\n return [tuple(path)]\n if op == 'call' and args[0] == 'select' and args[1]:\n return [()] if _truth(_one(args[1][0], value, env)) else []\n if op == 'call' and not args[1] and args[0] == 'last':\n return [(-1,)]\n return []\n\ndef _assign_slice(node, value, replacement, env):\n base_node, start_node, end_node = node.arguments\n result = value\n for parent in _paths(base_node, value, env):\n current = _get_path(result, parent)\n if not isinstance(current, (list, str)):\n continue\n start = _one(start_node, current, env)\n end = None if end_node is None else _one(end_node, current, env)\n first = 0 if start is None or (isinstance(start, float) and math.isnan(start)) else math.floor(start)\n last = len(current) if end is None or (isinstance(end, float) and math.isnan(end)) else math.ceil(end)\n if isinstance(current, str):\n raise RuntimeError('Cannot update string slices')\n updated = list(current)\n updated[int(first):int(last)] = replacement if isinstance(replacement, list) else [replacement]\n result = _set_path(result, parent, updated)\n return result\n\ndef _validate_path_key(container: object, key: object, *, updating: bool) -> None:\n if isinstance(container, list):\n if isinstance(key, bool) or not isinstance(key, (int, float)) or (isinstance(key, float) and math.isnan(key)):\n message = 'Cannot set array element at NaN index' if updating and isinstance(key, float) and math.isnan(key) else 'Cannot update field at array index of array'\n raise RuntimeError(message)\n elif isinstance(container, dict) and not isinstance(key, str):\n raise RuntimeError(f'Cannot index object with {_type_name(key)} ({_short(key)})')\n\n\ndef _get_path_checked(value, path):\n current = value\n for key in path:\n _validate_path_key(current, key, updating=False)\n if isinstance(current, dict): current = current.get(key)\n elif isinstance(current, list):\n index = int(key); current = current[index] if -len(current) <= index < len(current) else None\n else: return None\n return current\n\n\ndef _set_path_checked(value, path, replacement):\n current = value\n for key in path:\n _validate_path_key(current, key, updating=True)\n if isinstance(current, dict): current = current.get(key)\n elif isinstance(current, list):\n index = int(key); current = current[index] if 0 <= index < len(current) else None\n elif current is not None:\n raise RuntimeError(f'Cannot index {_type_name(current)} with {_type_name(key)} ({_short(key)})')\n return _set_path(value, path, replacement)\n\n\ndef _delete_path_checked(value, path):\n current = value\n for key in path:\n _validate_path_key(current, key, updating=False)\n if isinstance(current, dict): current = current.get(key)\n elif isinstance(current, list):\n if isinstance(key, list): raise RuntimeError('Cannot update field at array index of array')\n index = int(key); current = current[index] if -len(current) <= index < len(current) else None\n else: break\n return _delete_path(value, path)\n\n\ndef _get_path(value, path):\n current = value\n for key in path:\n if isinstance(current, dict):\n if not isinstance(key, str):\n raise RuntimeError(f'Cannot index object with {_type_name(key)} ({_short(key)})')\n current = current.get(key)\n elif isinstance(current, list):\n if isinstance(key, float) and math.isnan(key):\n raise RuntimeError('Cannot set array element at NaN index')\n if isinstance(key, list):\n raise RuntimeError('Cannot update field at array index of array')\n index = int(key); current = current[index] if -len(current) <= index < len(current) else None\n else: return None\n return current\n\ndef _set_path(value, path, replacement):\n if not path: return replacement\n if isinstance(value, dict):\n result = dict(value); key = str(path[0]); result[key] = _set_path(result.get(key), path[1:], replacement); return result\n if isinstance(value, list):\n result = list(value); index = int(path[0]); index = index + len(result) if index < 0 else index\n while index >= len(result): result.append(None)\n result[index] = _set_path(result[index], path[1:], replacement); return result\n if isinstance(path[0], (int, float)) and not isinstance(path[0], bool):\n result = []\n index = int(path[0])\n while len(result) <= index: result.append(None)\n result[index] = _set_path(result[index], path[1:], replacement)\n return result\n return {str(path[0]): _set_path(None, path[1:], replacement)}\n\ndef _delete_path(value, path):\n if not path: return None\n if isinstance(value, list):\n index = int(path[0]); index = index + len(value) if index < 0 else index\n result = list(value)\n if len(path) == 1:\n if 0 <= index < len(result): result.pop(index)\n elif 0 <= index < len(result): result[index] = _delete_path(result[index], path[1:])\n return result\n if isinstance(value, dict):\n result = dict(value); key = str(path[0])\n if len(path) == 1: result.pop(key, None)\n elif key in result: result[key] = _delete_path(result[key], path[1:])\n return result\n return value\ndef _call(name,args,value,env):\n parameter = env.get('__params__', {}).get(name)\n if parameter is not None:\n bound_env, argument = parameter\n yield from _node(argument, value, bound_env)\n return\n if not args and name in env:\n bound = env[name]\n if isinstance(bound, tuple) and bound and bound[0] == '__closure__':\n yield from _node(bound[1], value, {**env, **bound[2]})\nimport sys\nfrom pathlib import Path\n\nROOT = Path(__file__).parents[1]\nif str(ROOT) not in sys.path:\n sys.path.insert(0, str(ROOT))\n\"\"\"Focused coverage for CORE-003 runtime error and empty-stream semantics.\"\"\"\n\nimport json\nimport subprocess\nfrom pathlib import Path\n\n\nROOT = Path(__file__).parents[1]\n\n\ndef run(program: str, value: object = None) -> subprocess.CompletedProcess[str]:\n return subprocess.run(\n [str(ROOT / \"jq\"), \"-c\", program],\n input=json.dumps(value) + \"\\n\",\n text=True,\n capture_output=True,\n check=False,\n )\n\n\ndef test_empty_produces_no_values_and_succeeds() -> None:\n result = run(\"empty\")\n assert result.returncode == 0\n assert result.stdout == \"\"\n\n\ndef test_optional_suppresses_runtime_error() -> None:\n result = run('error(\"x\")?')\n assert result.returncode == 0\n assert result.stdout == \"\"\n\n\ndef test_try_catch_turns_error_value_into_output() -> None:\n result = run('try error(\"x\") catch .')\n assert result.returncode == 0\n assert [json.loads(line) for line in result.stdout.splitlines()] == [\"x\"]\n\n\ndef test_uncaught_runtime_error_has_runtime_exit_status() -> None:\n result = run('error(\"x\")')\n assert result.returncode == 5\n\n\ndef test_values_before_runtime_error_are_preserved() -> None:\n result = run('1, error(\"x\"), 2')\n assert result.returncode == 5\n assert [json.loads(line) for line in result.stdout.splitlines()] == [1]\n\n\ndef test_nth_does_not_consume_unneeded_failing_generator_output() -> None:\n result = run('nth(1; 0,1,error(\"foo\"))')\n assert result.returncode == 0\n assert [json.loads(line) for line in result.stdout.splitlines()] == [1]\n","exit_code":0,"status":"completed"}}
{"type":"item.completed","item":{"id":"item_12","type":"agent_message","text":"The scoped gate is already green (135 passed, 0 failed, 0 errored, 3 declared skips), but I found a correctness hole hidden by that slice: dynamic object indexing currently coerces non-string keys to strings, whereas jq must raise an access error. I’ll fix that boundary and add focused executable tests for the declared access behaviors."}}
{"type":"item.started","item":{"id":"item_13","type":"file_change","changes":[{"path":"/mnt/c/Users/barlo/projects/drydock/uat/jq/runs/20260822.044627/build/jq/jq_interpreter/evaluator.py","kind":"update"},{"path":"/mnt/c/Users/barlo/projects/drydock/uat/jq/runs/20260822.044627/build/jq/tests/test_value_002_access.py","kind":"add"}],"status":"in_progress"}}
{"type":"item.completed","item":{"id":"item_13","type":"file_change","changes":[{"path":"/mnt/c/Users/barlo/projects/drydock/uat/jq/runs/20260822.044627/build/jq/jq_interpreter/evaluator.py","kind":"update"},{"path":"/mnt/c/Users/barlo/projects/drydock/uat/jq/runs/20260822.044627/build/jq/tests/test_value_002_access.py","kind":"add"}],"status":"completed"}}
{"type":"item.started","item":{"id":"item_14","type":"command_execution","command":"/bin/bash -lc 'JQ=\"$PWD/jq\" python3 sources/run_conformance.py --select '\"'\\\\.[A-Za-z]|\\\\[[-0-9]' --json\"","aggregated_output":"","exit_code":null,"status":"in_progress"}}
{"type":"item.started","item":{"id":"item_15","type":"command_execution","command":"/bin/bash -lc 'python3 -m pytest -q'","aggregated_output":"","exit_code":null,"status":"in_progress"}}
{"type":"item.completed","item":{"id":"item_15","type":"command_execution","command":"/bin/bash -lc 'python3 -m pytest -q'","aggregated_output":".................................................................... [100%]\n68 passed in 8.50s\n","exit_code":0,"status":"completed"}}
{"type":"item.completed","item":{"id":"item_14","type":"command_execution","command":"/bin/bash -lc 'JQ=\"$PWD/jq\" python3 sources/run_conformance.py --select '\"'\\\\.[A-Za-z]|\\\\[[-0-9]' --json\"","aggregated_output":"{\n \"candidate\": [\n \"/mnt/c/Users/barlo/projects/drydock/uat/jq/runs/20260822.044627/build/jq/jq\"\n ],\n \"corpus\": \"jq.test\",\n \"summary\": {\n \"pass\": 135,\n \"fail\": 0,\n \"error\": 0,\n \"skip\": 3\n },\n \"cases\": [\n {\n \"line\": 1912,\n \"program\": \"import \\\"data\\\" as $e; import \\\"data\\\" as $d; [$d[].this,$e[].that,$d::d[].this,$e::e[].that]|join(\\\";\\\")\",\n \"status\": \"skip\",\n \"detail\": \"declared in exclusions.txt\",\n \"expect_failure\": false,\n \"expected\": [\n \"\\\"is a test;is too;is a test;is too\\\"\"\n ],\n \"actual\": []\n },\n {\n \"line\": 1973,\n \"program\": \"modulemeta | .deps | length\",\n \"status\": \"skip\",\n \"detail\": \"declared in exclusions.txt\",\n \"expect_failure\": false,\n \"expected\": [\n \"6\"\n ],\n \"actual\": []\n },\n {\n \"line\": 1977,\n \"program\": \"modulemeta | .defs | length\",\n \"status\": \"skip\",\n \"detail\": \"declared in exclusions.txt\",\n \"expect_failure\": false,\n \"expected\": [\n \"2\"\n ],\n \"actual\": []\n }\n ]\n}\n","exit_code":0,"status":"completed"}}
{"type":"item.completed","item":{"id":"item_16","type":"agent_message","text":"Implementation and verification are complete. The focused suite now has 68 passing tests, and the declared VALUE-002 conformance slice remains green with 135 passes, 0 failures, 0 errors, and 3 exclusions."}}
{"type":"item.started","item":{"id":"item_17","type":"command_execution","command":"/bin/bash -lc 'git diff -- jq_interpreter/evaluator.py tests/test_value_002_access.py && git status --short'","aggregated_output":"","exit_code":null,"status":"in_progress"}}
{"type":"item.completed","item":{"id":"item_17","type":"command_execution","command":"/bin/bash -lc 'git diff -- jq_interpreter/evaluator.py tests/test_value_002_access.py && git status --short'","aggregated_output":" M jq_interpreter/evaluator.py\n M jq_interpreter/interpreter.py\n M jq_interpreter/parser.py\n M ../../evidence/commands/07-after-plan-target-status.stdout.log\n D ../../evidence/commands/10-initial-build-1.llm.log\n M ../../evidence/commands/10-initial-build-1.stderr.log\n M ../../evidence/commands/10-initial-build-1.stdout.log\n D ../../evidence/commands/11-after-initial-build-build-status.stderr.log\n D ../../evidence/commands/11-after-initial-build-build-status.stdout.log\n D ../../evidence/commands/12-after-initial-build-target-status.stderr.log\n D ../../evidence/commands/12-after-initial-build-target-status.stdout.log\n D ../../evidence/commands/13-after-initial-build-workspace-status.stderr.log\n D ../../evidence/commands/13-after-initial-build-workspace-status.stdout.log\n M ../../workspace/logs/history.jsonl\n D ../../workspace/targets/jq/ERRORS.md\n M ../../workspace/targets/jq/MANIFEST.md\n M ../../workspace/targets/jq/PROJECT_STATUS.jsonl\n M ../../workspace/targets/jq/QuarterDeck/commanders_chair.html\n D ../../workspace/targets/jq/STOP_NOW.md\n M ../../workspace/targets/jq/evidence/block-8.md\n M ../../workspace/targets/jq/evidence/prepassed-acceptance.json\n?? tests/test_core_002_composition.py\n?? tests/test_core_003_errors.py\n?? tests/test_core_004_truthiness_comparison.py\n?? tests/test_stream_evaluator.py\n?? tests/test_value_001.py\n?? tests/test_value_002_access.py\n?? ../../evidence/commands/superseded/20260822.234907/\n?? ../../workspace/logs/20260822.234907.752Z_verify_plan_codex.log\n?? ../../workspace/logs/20260822.234909.429Z_jq_build.log\n?? ../../workspace/logs/20260822.234913.457Z_jq_status.log\n?? ../../workspace/logs/20260822.234914.626Z_status.log\n?? ../../workspace/logs/20260822.234915.081Z_jq_status.log\n?? ../../workspace/logs/20260822.234915.446Z_jq_build_codex.log\n?? ../../workspace/logs/20260822.235339.932Z_jq_build_codex.llm.log\n?? ../../workspace/logs/20260822.235339.932Z_jq_build_codex.output.txt\n?? ../../workspace/logs/20260822.235339.932Z_jq_build_codex.prompt.md\n?? ../../workspace/logs/20260822.235339.932Z_jq_build_codex.raw.jsonl\n?? ../../workspace/logs/20260822.235339.932Z_jq_build_codex.stderr.log\n?? ../../workspace/logs/20260823.000143.358Z_jq_build_codex.llm.log\n?? ../../workspace/logs/20260823.000143.358Z_jq_build_codex.output.txt\n?? ../../workspace/logs/20260823.000143.358Z_jq_build_codex.prompt.md\n?? ../../workspace/logs/20260823.000143.358Z_jq_build_codex.raw.jsonl\n?? ../../workspace/logs/20260823.000143.358Z_jq_build_codex.stderr.log\n?? ../../workspace/logs/20260823.001232.569Z_jq_build_codex.llm.log\n?? ../../workspace/logs/20260823.001232.569Z_jq_build_codex.output.txt\n?? ../../workspace/logs/20260823.001232.569Z_jq_build_codex.prompt.md\n?? ../../workspace/logs/20260823.001232.569Z_jq_build_codex.raw.jsonl\n?? ../../workspace/logs/20260823.001232.569Z_jq_build_codex.stderr.log\n?? ../../workspace/logs/20260823.002204.979Z_jq_build_codex.llm.log\n?? ../../workspace/logs/20260823.002204.979Z_jq_build_codex.output.txt\n?? ../../workspace/logs/20260823.002204.979Z_jq_build_codex.prompt.md\n?? ../../workspace/logs/20260823.002204.979Z_jq_build_codex.raw.jsonl\n?? ../../workspace/logs/20260823.003038.923Z_jq_build_codex.llm.log\n?? ../../workspace/logs/20260823.003038.923Z_jq_build_codex.output.txt\n?? ../../workspace/logs/20260823.003038.923Z_jq_build_codex.prompt.md\n?? ../../workspace/logs/20260823.003038.923Z_jq_build_codex.raw.jsonl\n?? ../../workspace/logs/20260823.003038.923Z_jq_build_codex.stderr.log\n?? ../../workspace/logs/20260823.004037.072Z_jq_build_codex.llm.log\n?? ../../workspace/logs/20260823.004037.072Z_jq_build_codex.output.txt\n?? ../../workspace/logs/20260823.004037.072Z_jq_build_codex.prompt.md\n?? ../../workspace/logs/20260823.004037.072Z_jq_build_codex.raw.jsonl\n?? ../../workspace/logs/20260823.004037.072Z_jq_build_codex.stderr.log\n?? ../../workspace/logs/20260823.005049.805Z_jq_build_codex.llm.log\n?? ../../workspace/logs/20260823.005049.805Z_jq_build_codex.output.txt\n?? ../../workspace/logs/20260823.005049.805Z_jq_build_codex.prompt.md\n?? ../../workspace/logs/20260823.005049.805Z_jq_build_codex.raw.jsonl\n?? ../../workspace/logs/20260823.005903.917Z_jq_build_codex.llm.log\n?? ../../workspace/logs/20260823.005903.917Z_jq_build_codex.output.txt\n?? ../../workspace/logs/20260823.005903.917Z_jq_build_codex.prompt.md\n?? ../../workspace/logs/20260823.005903.917Z_jq_build_codex.raw.jsonl\n?? ../../workspace/logs/20260823.005903.917Z_jq_build_codex.stderr.log\n?? ../../workspace/logs/20260823.010841.589Z_jq_build_codex.llm.log\n?? ../../workspace/logs/20260823.010841.589Z_jq_build_codex.output.txt\n?? ../../workspace/logs/20260823.010841.589Z_jq_build_codex.prompt.md\n?? ../../workspace/logs/20260823.010841.589Z_jq_build_codex.raw.jsonl\n?? ../../workspace/logs/20260823.010841.589Z_jq_build_codex.stderr.log\n?? ../../workspace/logs/20260823.011808.307Z_jq_build_codex.llm.log\n?? ../../workspace/logs/20260823.011808.307Z_jq_build_codex.output.txt\n?? ../../workspace/logs/20260823.011808.307Z_jq_build_codex.prompt.md\n?? ../../workspace/logs/20260823.011808.307Z_jq_build_codex.raw.jsonl\n?? ../../workspace/logs/20260823.011808.307Z_jq_build_codex.stderr.log\n?? ../../workspace/logs/20260823.013010.037Z_jq_build_codex.llm.log\n?? ../../workspace/logs/20260823.013010.037Z_jq_build_codex.output.txt\n?? ../../workspace/logs/20260823.013010.037Z_jq_build_codex.prompt.md\n?? ../../workspace/logs/20260823.013010.037Z_jq_build_codex.raw.jsonl\n?? ../../workspace/logs/20260823.013010.037Z_jq_build_codex.stderr.log\n?? ../../workspace/logs/20260823.014128.073Z_jq_build_codex.llm.log\n?? ../../workspace/logs/20260823.014128.073Z_jq_build_codex.output.txt\n?? ../../workspace/logs/20260823.014128.073Z_jq_build_codex.prompt.md\n?? ../../workspace/logs/20260823.014128.073Z_jq_build_codex.raw.jsonl\n?? ../../workspace/logs/20260823.014128.073Z_jq_build_codex.stderr.log\n?? ../../workspace/logs/20260823.015653.931Z_jq_build_codex.llm.log\n?? ../../workspace/logs/20260823.015653.931Z_jq_build_codex.output.txt\n?? ../../workspace/logs/20260823.015653.931Z_jq_build_codex.prompt.md\n?? ../../workspace/logs/20260823.015653.931Z_jq_build_codex.raw.jsonl\n?? ../../workspace/logs/20260823.015653.931Z_jq_build_codex.stderr.log\n?? ../../workspace/logs/20260823.020504.857Z_jq_build_codex.llm.log\n?? ../../workspace/logs/20260823.020504.857Z_jq_build_codex.output.txt\n?? ../../workspace/logs/20260823.020504.857Z_jq_build_codex.prompt.md\n?? ../../workspace/logs/20260823.020504.857Z_jq_build_codex.raw.jsonl\n?? ../../workspace/logs/20260823.020504.857Z_jq_build_codex.stderr.log\n?? ../../workspace/logs/20260823.021651.942Z_jq_build_codex.llm.log\n?? ../../workspace/logs/20260823.021651.942Z_jq_build_codex.output.txt\n?? ../../workspace/logs/20260823.021651.942Z_jq_build_codex.prompt.md\n?? ../../workspace/logs/20260823.021651.942Z_jq_build_codex.raw.jsonl\n?? ../../workspace/logs/20260823.022052.850Z_jq_build_codex.llm.log\n?? ../../workspace/logs/20260823.022052.850Z_jq_build_codex.output.txt\n?? ../../workspace/logs/20260823.022052.850Z_jq_build_codex.prompt.md\n?? ../../workspace/logs/20260823.022052.850Z_jq_build_codex.raw.jsonl\n?? ../../workspace/logs/20260823.022510.696Z_jq_build_codex.llm.log\n?? ../../workspace/logs/20260823.022510.696Z_jq_build_codex.output.txt\n?? ../../workspace/logs/20260823.022510.696Z_jq_build_codex.prompt.md\n?? ../../workspace/logs/20260823.022510.696Z_jq_build_codex.raw.jsonl\n?? ../../workspace/logs/20260823.022843.056Z_jq_build_codex.llm.log\n?? ../../workspace/logs/20260823.022843.056Z_jq_build_codex.output.txt\n?? ../../workspace/logs/20260823.022843.056Z_jq_build_codex.prompt.md\n?? ../../workspace/logs/20260823.022843.056Z_jq_build_codex.raw.jsonl\n?? ../../workspace/logs/20260823.023237.129Z_jq_build_codex.llm.log\n?? ../../workspace/logs/20260823.023237.129Z_jq_build_codex.output.txt\n?? ../../workspace/logs/20260823.023237.129Z_jq_build_codex.prompt.md\n?? ../../workspace/logs/20260823.023237.129Z_jq_build_codex.raw.jsonl\n?? ../../workspace/logs/20260823.023629.826Z_jq_build_codex.prompt.md\n?? ../../workspace/logs/20260823.023629.826Z_jq_build_codex.raw.jsonl\n?? ../../workspace/logs/20260823.023629.826Z_jq_build_codex.stderr.log\n?? ../../workspace/targets/jq/evidence/block-10.md\n?? ../../workspace/targets/jq/evidence/block-11.md\n?? ../../workspace/targets/jq/evidence/block-12.md\n?? ../../workspace/targets/jq/evidence/block-13.md\n?? ../../workspace/targets/jq/evidence/block-9.md\n","exit_code":0,"status":"completed"}}
{"type":"item.completed","item":{"id":"item_18","type":"agent_message","text":"RESULT: SUCCESS\n\nFILES CHANGED:\n- jq_interpreter/evaluator.py\n- tests/test_value_002_access.py\n\nSUMMARY:\nImplemented strict object key access and added VALUE-002 coverage for fields, indexes, negatives, optional access, missing values, and errors.\n\nTests: 68 passed. Conformance: 135 passed, 0 failed, 0 errored, 3 skipped.\n\nBLOCKERS:\n- None"}}
{"type":"turn.completed","usage":{"input_tokens":1031157,"cached_input_tokens":919808,"cache_write_input_tokens":0,"output_tokens":3777,"reasoning_output_tokens":1065}}
Run artifact