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Updates json gbnf to match llama.cpp example #1098

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martindevans merged 1 commit into from
Feb 13, 2025
Merged

Updates json gbnf to match llama.cpp example #1098

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10 changes: 4 additions & 6 deletions LLama.Examples/Assets/json.gbnf
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Original file line number Diff line number Diff line change
@@ -1,5 +1,3 @@
# https://github.com/ggerganov/llama.cpp/blob/8183159cf3def112f6d1fe94815fce70e1bffa12/grammars/json.gbnf

root ::= object
value ::= object | array | string | number | ("true" | "false" | "null") ws

Expand All @@ -17,11 +15,11 @@ array ::=

string ::=
"\"" (
[^"\\] |
"\\" (["\\/bfnrt] | "u" [0-9a-fA-F] [0-9a-fA-F] [0-9a-fA-F] [0-9a-fA-F]) # escapes
[^"\\\x7F\x00-\x1F] |
"\\" (["\\bfnrt] | "u" [0-9a-fA-F]{4}) # escapes
)* "\"" ws

number ::= ("-"? ([0-9] | [1-9] [0-9]*)) ("." [0-9]+)? ([eE] [-+]? [0-9]+)? ws
number ::= ("-"? ([0-9] | [1-9] [0-9]{0,15})) ("." [0-9]+)? ([eE] [-+]? [0-9] [1-9]{0,15})? ws

# Optional space: by convention, applied in this grammar after literal chars when allowed
ws ::= ([ \t\n] ws)?
ws ::= | " " | "\n" [ \t]{0,20}