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[package]
name = "proc-macro2"
version = "0.4.27" # remember to update html_root_url
authors = ["Alex Crichton <alex@alexcrichton.com>"]
license = "MIT/Apache-2.0"
readme = "README.md"
keywords = ["macros"]
repository = "https://github.com/alexcrichton/proc-macro2"
homepage = "https://github.com/alexcrichton/proc-macro2"
documentation = "https://docs.rs/proc-macro2"
build = "build.rs"
description = """
A stable implementation of the upcoming new `proc_macro` API. Comes with an
option, off by default, to also reimplement itself in terms of the upstream
unstable API.
"""
[package.metadata.docs.rs]
rustc-args = ["--cfg", "procmacro2_semver_exempt"]
rustdoc-args = ["--cfg", "procmacro2_semver_exempt"]
[dependencies]
unicode-xid = "0.1"
[dev-dependencies]
quote = "0.6"
[features]
proc-macro = []
default = ["proc-macro"]
# Expose methods Span::start and Span::end which give the line/column location
# of a token.
span-locations = []
# This feature no longer means anything.
nightly = []
[badges]
travis-ci = { repository = "alexcrichton/proc-macro2" }
[patch.crates-io]
# Our doc tests depend on quote which depends on proc-macro2. Without this line,
# the proc-macro2 dependency of quote would be the released version of
# proc-macro2. Quote would implement its traits for types from that proc-macro2,
# meaning impls would be missing when tested against types from the local
# proc-macro2.
#
# When publishing proc-macro2, Cargo will forbid publishing with a patch
# section. You need to delete this section and then publish with --allow-dirty.
# A PR https://github.com/rust-lang/cargo/pull/6535 proposes to make it no
# longer an error to publish with a patch section.
#
# Travis builds that are in progress at the time that you publish may spuriously
# fail. This is because they'll be building a local proc-macro2 which carries
# the second-most-recent version number, pulling in quote which resolves to a
# dependency on the just-published most recent version number. Thus the patch
# will fail to apply because the version numbers are different.
proc-macro2 = { path = "." }
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