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scripts: generate_rust_analyzer: provide cfgs for core and alloc

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Both `core` and `alloc` have their `cfgs` (such as `no_rc`) missing
in `rust-project.json`.

To remedy this, pass the flags to `generate_rust_analyzer.py` for
them to be added to a dictionary where each key corresponds to
a crate and each value to a list of `cfg`s. The dictionary is then
used to pass the `cfg`s to each crate in the generated file (for
`core` and `alloc` only).

Signed-off-by: Martin Rodriguez Reboredo <yakoyoku@gmail.com>
Link: https://lore.kernel.org/r/20230804171448.54976-1-yakoyoku@gmail.com
[ Removed `Suggested-by` as discussed in mailing list. ]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
This commit is contained in:
Martin Rodriguez Reboredo 2023-08-04 14:14:39 -03:00 • committed by Miguel Ojeda
parent 08ab786556
commit 4f353e0d12
2 changed files with 15 additions and 2 deletions
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16
scripts/generate_rust_analyzer.py
View file

@ -10,7 +10,15 @@ import os
import pathlib
import sys
def generate_crates(srctree, objtree, sysroot_src, external_src):
def args_crates_cfgs(cfgs):
crates_cfgs = {}
for cfg in cfgs:
crate, vals = cfg.split("=", 1)
crates_cfgs[crate] = vals.replace("--cfg", "").split()
return crates_cfgs
def generate_crates(srctree, objtree, sysroot_src, external_src, cfgs):
# Generate the configuration list.
cfg = []
with open(objtree / "include" / "generated" / "rustc_cfg") as fd:
@ -24,6 +32,7 @@ def generate_crates(srctree, objtree, sysroot_src, external_src):
# Avoid O(n^2) iterations by keeping a map of indexes.
crates = []
crates_indexes = {}
crates_cfgs = args_crates_cfgs(cfgs)
def append_crate(display_name, root_module, deps, cfg=[], is_workspace_member=True, is_proc_macro=False):
crates_indexes[display_name] = len(crates)
@ -45,6 +54,7 @@ def generate_crates(srctree, objtree, sysroot_src, external_src):
"core",
sysroot_src / "core" / "src" / "lib.rs",
[],
cfg=crates_cfgs.get("core", []),
is_workspace_member=False,
)
@ -58,6 +68,7 @@ def generate_crates(srctree, objtree, sysroot_src, external_src):
"alloc",
srctree / "rust" / "alloc" / "lib.rs",
["core", "compiler_builtins"],
cfg=crates_cfgs.get("alloc", []),
)
append_crate(
@ -131,6 +142,7 @@ def generate_crates(srctree, objtree, sysroot_src, external_src):
def main():
parser = argparse.ArgumentParser()
parser.add_argument('--verbose', '-v', action='store_true')
parser.add_argument('--cfgs', action='append', default=[])
parser.add_argument("srctree", type=pathlib.Path)
parser.add_argument("objtree", type=pathlib.Path)
parser.add_argument("sysroot_src", type=pathlib.Path)
@ -143,7 +155,7 @@ def main():
)
rust_project = {
"crates": generate_crates(args.srctree, args.objtree, args.sysroot_src, args.exttree),
"crates": generate_crates(args.srctree, args.objtree, args.sysroot_src, args.exttree, args.cfgs),
"sysroot_src": str(args.sysroot_src),
}