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https://github.com/aaronpo97/the-biergarten-app.git
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53 lines
1.8 KiB
C++
53 lines
1.8 KiB
C++
#ifndef BIERGARTEN_PIPELINE_INCLUDES_DATA_GENERATION_JSON_GRAMMARS_H_
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#define BIERGARTEN_PIPELINE_INCLUDES_DATA_GENERATION_JSON_GRAMMARS_H_
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/**
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* @file data_generation/json_grammars.h
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* @brief GBNF grammars constraining structured JSON output from
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* LlamaGenerator inference calls.
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*/
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#include <string_view>
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// GBNF grammar for structured user JSON output.
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// thought-block permits the model to emit free-form reasoning before the
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// JSON object (the prompts explicitly invite this); only the "{...}" tail is
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// constrained to the expected shape.
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inline constexpr std::string_view kUserJsonGrammar = R"json_user(
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root ::= thought-block (
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"{" ws
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"\"username\"" ws ":" ws string ws "," ws
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"\"bio\"" ws ":" ws string ws "," ws
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"\"activity_weight\"" ws ":" ws number ws
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"}" ws
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)
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thought-block ::= [^{]*
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ws ::= [ \t\n\r]*
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string ::= "\"" char+ "\""
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char ::= [^"\\\x7F\x00-\x1F] | [\\] escape
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escape ::= ["\\/bfnrt] | "u" hex hex hex hex
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hex ::= [0-9a-fA-F]
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number ::= "-"? ("0" | [1-9] [0-9]*) ("." [0-9]+)?
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)json_user";
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// GBNF grammar for structured brewery JSON output (see thought-block note
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// above).
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inline constexpr std::string_view kBreweryJsonGrammar = R"json_brewery(
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root ::= thought-block (
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"{" ws
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"\"name_en\"" ws ":" ws string ws "," ws
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"\"description_en\"" ws ":" ws string ws "," ws
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"\"name_local\"" ws ":" ws string ws "," ws
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"\"description_local\"" ws ":" ws string ws
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"}" ws
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)
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thought-block ::= [^{]*
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ws ::= [ \t\n\r]*
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string ::= "\"" char+ "\""
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char ::= [^"\\\x7F\x00-\x1F] | [\\] escape
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escape ::= ["\\/bfnrt] | "u" hex hex hex hex
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hex ::= [0-9a-fA-F]
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)json_brewery";
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#endif // BIERGARTEN_PIPELINE_INCLUDES_DATA_GENERATION_JSON_GRAMMARS_H_
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