Module pest::pratt_parser
source · Expand description
Constructs useful in prefix, postfix, and infix operator parsing with the Pratt parsing method.
Structs§
- An operator that corresponds to a rule.
- Struct containing operators and precedences, which can perform Pratt parsing on primary, prefix, postfix and infix expressions over
Pairs
. The tokens inPairs
should alternate in the order:prefix* ~ primary ~ postfix* ~ (infix ~ prefix* ~ primary ~ postfix*)*
- Product of calling
map_primary
onPrattParser
, defines how expressions should be mapped.
Enums§
- Associativity of an infix binary operator, used by
Op::infix(Assoc)
.