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crsn/crsn/crsn-sexp
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Ondřej Hruška 169c003980
fix tests and warnings 		4 years ago
..
src fix tests and warnings 4 years ago
.gitignore add better string and number parsing to sexp. cleaning, more tests 4 years ago
Cargo.toml use 'spin_sleep' for more accurate execution rate, add "s", "m", "u" suffix support to the -C argument 4 years ago
LICENSE add better string and number parsing to sexp. cleaning, more tests 4 years ago
README.md add better string and number parsing to sexp. cleaning, more tests 4 years ago

README.md

CRSN Sexp

This is an updated and extended version of the "sexp" crate by Clark Gaebel: https://github.com/cgaebel/sexp.

Changes from "cgaebel/sexp"

  • Updated to the 2018 Rust edition (that is, removed try!() and such)
  • All parsed atoms now track their source location. This enables better error reporting in subsequent parsing and processing.
  • Quoted strings now support C-style escapes other than \", such as \n, \t and \\.
    • Unrecognized escapes result in the slash being removed and the next character being taken literally. Use \\ to enter a backslash.
  • Added special parsing of "character literals" that use single quotes ('A') and may contain backslash escapes ('\n').
    • This does not interfere with "apostrophe tokens" like 'foo, that becomes an unquoted string atom.
  • Added "quoted string", "unsigned" and "character" atom types
  • Added parsing for 0x123, #ff00ff and 0b123456
  • Numeric literals may now contain underscores to separate digit groups
  • Numbers are preferably parsed as the unsigned atom (u64). The signed atom (i64) is only used for negative numbers.

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