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Updates EBNF grammar in docs #39

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Merged
johnnyt merged 1 commit into from
Sep 7, 2025
Merged

Updates EBNF grammar in docs #39

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8 changes: 5 additions & 3 deletions CLAUDE.md
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Original file line number Diff line number Diff line change
Expand Up @@ -21,17 +21,19 @@ expression → logical_or
logical_or → logical_and ( ("OR" | "or") logical_and )*
logical_and → logical_not ( ("AND" | "and") logical_not )*
logical_not → ("NOT" | "not") logical_not | comparison
comparison → addition ( ( ">" | "<" | ">=" | "<=" | "=" | "==" | "!=" | "in" | "contains" ) addition )?
comparison → addition ( ( ">" | "<" | ">=" | "<=" | "=" | "==" | "!=" | "===" | "!==" | "in" | "contains" ) addition )?
addition → multiplication ( ( "+" | "-" ) multiplication )*
multiplication → unary ( ( "*" | "/" | "%" ) unary )*
unary → ( "-" | "!" ) unary | postfix
postfix → primary ( "[" expression "]" | "." IDENTIFIER )*
primary → NUMBER | FLOAT | STRING | BOOLEAN | DATE | DATETIME | IDENTIFIER | list | object | function_call | "(" expression ")"
function_call → IDENTIFIER "(" ( expression ( "," expression )* )? ")"
primary → NUMBER | FLOAT | STRING | BOOLEAN | DATE | DATETIME | IDENTIFIER | duration | relative_date | list | object | function_call | "(" expression ")"
function_call → FUNCTION_NAME "(" ( expression ( "," expression )* )? ")"
list → "[" ( expression ( "," expression )* )? "]"
object → "{" ( object_entry ( "," object_entry )* )? "}"
object_entry → object_key ":" expression
object_key → IDENTIFIER | STRING
duration → NUMBER UNIT+
relative_date → duration "ago" | duration "from" "now" | "next" duration | "last" duration
```

### Core Components
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6 changes: 4 additions & 2 deletions README.md
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Expand Up @@ -355,17 +355,19 @@ expression → logical_or
logical_or → logical_and ( ("OR" | "or") logical_and )*
logical_and → logical_not ( ("AND" | "and") logical_not )*
logical_not → ("NOT" | "not") logical_not | comparison
comparison → addition ( ( ">" | "<" | ">=" | "<=" | "=" | "==" | "!=" | "in" | "contains" ) addition )?
comparison → addition ( ( ">" | "<" | ">=" | "<=" | "=" | "==" | "!=" | "===" | "!==" | "in" | "contains" ) addition )?
addition → multiplication ( ( "+" | "-" ) multiplication )*
multiplication → unary ( ( "*" | "/" | "%" ) unary )*
unary → ( "-" | "!" ) unary | postfix
postfix → primary ( "[" expression "]" | "." IDENTIFIER )*
primary → NUMBER | FLOAT | STRING | BOOLEAN | DATE | DATETIME | IDENTIFIER | function_call | list | object | "(" expression ")"
primary → NUMBER | FLOAT | STRING | BOOLEAN | DATE | DATETIME | IDENTIFIER | duration | relative_date | function_call | list | object | "(" expression ")"
function_call → FUNCTION_NAME "(" ( expression ( "," expression )* )? ")"
list → "[" ( expression ( "," expression )* )? "]"
object → "{" ( object_entry ( "," object_entry )* )? "}"
object_entry → object_key ":" expression
object_key → IDENTIFIER | STRING
duration → NUMBER UNIT+
relative_date → duration "ago" | duration "from" "now" | "next" duration | "last" duration
```

### Core Components
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6 changes: 4 additions & 2 deletions lib/predicator/parser.ex
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Expand Up @@ -17,17 +17,19 @@ defmodule Predicator.Parser do
logical_or → logical_and ( "OR" | "||" logical_and )*
logical_and → logical_not ( "AND" | "&&" logical_not )*
logical_not → "NOT" | "!" logical_not | comparison
comparison → addition ( ( ">" | "<" | ">=" | "<=" | "=" | "==" | "!=" | "in" | "contains" ) addition )?
comparison → addition ( ( ">" | "<" | ">=" | "<=" | "=" | "==" | "!=" | "===" | "!==" | "in" | "contains" ) addition )?
addition → multiplication ( ( "+" | "-" ) multiplication )*
multiplication → unary ( ( "*" | "/" | "%" ) unary )*
unary → ( "-" | "!" ) unary | postfix
postfix → primary ( "[" expression "]" | "." IDENTIFIER )*
primary → NUMBER | FLOAT | STRING | BOOLEAN | DATE | DATETIME | IDENTIFIER | function_call | list | object | "(" expression ")"
primary → NUMBER | FLOAT | STRING | BOOLEAN | DATE | DATETIME | IDENTIFIER | duration | relative_date | function_call | list | object | "(" expression ")"
function_call → FUNCTION_NAME "(" ( expression ( "," expression )* )? ")"
list → "[" ( expression ( "," expression )* )? "]"
object → "{" ( object_entry ( "," object_entry )* )? "}"
object_entry → object_key ":" expression
object_key → IDENTIFIER | STRING
duration → NUMBER UNIT+
relative_date → duration "ago" | duration "from" "now" | "next" duration | "last" duration

## Examples

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