Add rand_core 0.4.0

Signed-off-by: Eli Ma <eli@patch.sh>

Author: genedna

BUCK

@@ -21,6 +21,10 @@ cargo.rust_binary(
         "//third-party/rust/crates/winapi/0.3.9:winapi", # --config rust.features=everything,impl-debug,impl-default --config rust.target=i686-pc-windows-gnu
         # ---
 
+        # rand_core
+        "//third-party/rust/crates/rand_core/0.3.1:rand_core",
+        "//third-party/rust/crates/rand_core/0.4.0:rand_core",
+
         # autocfg
         "//third-party/rust/crates/autocfg/1.4.0:autocfg",
 

third-party/rust/crates/proc-macro2/1.0.74/BUCK

@@ -0,0 +1,18 @@
+load("@prelude//toolchains:rust.bzl", "system_rust_toolchain")
+load("//third-party/rust/crates/proc-macro2/1.0.74:build.bzl", "get_rust_features", "get_rustc_flags")
+
+# proc-macro2 library implementation
+# A substitute implementation of the compiler's `proc_macro` API
+rust_library(
+    name = "proc-macro2",
+    edition = "2021",  # Using edition from Cargo.toml
+    srcs = glob(["src/**/*.rs"]),
+    crate_root = "src/lib.rs",
+    features = get_rust_features(),
+    rustc_flags = get_rustc_flags(),
+    env = {},
+    deps = [
+        "//third-party/rust/crates/unicode-ident/1.0.17:unicode-ident",
+    ],
+    visibility = ["PUBLIC"],
+)

third-party/rust/crates/proc-macro2/1.0.74/build.bzl

@@ -0,0 +1,21 @@
+def get_rust_features():
+    features_config = read_config("rust", "features", "")
+    
+    if features_config == "":
+        # Default features from Cargo.toml if none specified
+        return ["proc-macro"]
+    return [f.strip() for f in features_config.split(",") if f.strip()]
+
+def get_rustc_flags():
+    """
+    Get rustc flags based on features.
+    """
+    flags = []
+    
+    # Add semver_exempt flag for docs.rs compatibility if needed
+    semver_exempt = read_config("proc_macro2", "semver_exempt", "")
+    if semver_exempt:
+        flags.append("--cfg")
+        flags.append("procmacro2_semver_exempt")
+    
+    return flags

third-party/rust/crates/proc-macro2/1.0.83/BUCK

@@ -0,0 +1,18 @@
+load("@prelude//toolchains:rust.bzl", "system_rust_toolchain")
+load("//third-party/rust/crates/proc-macro2/1.0.83:build.bzl", "get_rust_features", "get_rustc_flags", "get_env")
+
+
+# proc_macro2 library implementation
+rust_library(
+    name = "proc-macro2",
+    edition = "2021",  # Using edition from Cargo.toml
+    srcs = glob(["src/**/*.rs"]) + ["build/probe.rs"],  # Include probe.rs that build.rs uses
+    crate_root = "src/lib.rs",
+    features = get_rust_features(),
+    rustc_flags = get_rustc_flags(),
+    env = get_env(),
+    deps = [
+        "//third-party/rust/crates/unicode-ident/1.0.17:unicode-ident",
+    ],
+    visibility = ["PUBLIC"],
+)

third-party/rust/crates/proc-macro2/1.0.83/build.bzl

@@ -0,0 +1,80 @@
+def get_rust_features():
+    """
+    Get comma-separated features from config and convert to a list.
+    Default to proc-macro if none specified, matching Cargo.toml behavior.
+    """
+    features_config = read_config("rust", "features", "")
+    
+    if features_config == "":
+        return ["proc-macro"]  # Default from Cargo.toml
+    return [f.strip() for f in features_config.split(",") if f.strip()]
+
+def get_rustc_flags():
+    """
+    Generate rustc flags based on configuration parameters.
+    This mimics the functionality of the build.rs script.
+    """
+    flags = []
+    features = get_rust_features()
+    rustc_minor = int(read_config("proc_macro2", "rustc_minor", "9999"))
+    semver_exempt = read_config("proc_macro2", "semver_exempt", "") != ""
+    docs_rs = read_config("proc_macro2", "docs_rs", "") != ""
+    rustc_bootstrap = read_config("proc_macro2", "rustc_bootstrap", "") != ""
+    
+    # Handle semver_exempt (set by either procmacro2_semver_exempt or DOCS_RS)
+    if semver_exempt or docs_rs:
+        flags.extend(["--cfg", "procmacro2_semver_exempt"])
+    
+    # Handle span_locations
+    if semver_exempt or docs_rs or "span-locations" in features:
+        flags.extend(["--cfg", "span_locations"])
+    
+    # Handle no_is_available
+    if rustc_minor < 57:
+        flags.extend(["--cfg", "no_is_available"])
+    
+    # Handle no_source_text
+    if rustc_minor < 66:
+        flags.extend(["--cfg", "no_source_text"])
+    
+    # Handle no_literal_byte_character and no_literal_c_string
+    if rustc_minor < 79:
+        flags.extend(["--cfg", "no_literal_byte_character"])
+        flags.extend(["--cfg", "no_literal_c_string"])
+    
+    # Handle proc_macro feature condition
+    if "proc-macro" not in features:
+        return flags
+    
+    # Handle wrap_proc_macro
+    proc_macro_span = rustc_bootstrap
+    
+    if proc_macro_span or not semver_exempt:
+        flags.extend(["--cfg", "wrap_proc_macro"])
+    
+    # Handle proc_macro_span
+    if proc_macro_span:
+        flags.extend(["--cfg", "proc_macro_span"])
+    
+    # Handle super_unstable
+    if semver_exempt and proc_macro_span:
+        flags.extend(["--cfg", "super_unstable"])
+    
+    return flags
+
+def get_env():
+    """
+    Set environment variables for the build.
+    """
+    env = {}
+    
+    # Set environment variables from config
+    docs_rs = read_config("proc_macro2", "docs_rs", "")
+    if docs_rs:
+        env["DOCS_RS"] = docs_rs
+    
+    rustc_bootstrap = read_config("proc_macro2", "rustc_bootstrap", "")
+    if rustc_bootstrap:
+        env["RUSTC_BOOTSTRAP"] = rustc_bootstrap
+    
+    return env

third-party/rust/crates/quote/1.0.35/BUCK

@@ -0,0 +1,31 @@
+load("@prelude//toolchains:rust.bzl", "system_rust_toolchain")
+load("//third-party/rust/crates/quote/1.0.35:build.bzl", "get_rust_features")
+
+# Quote library implementation - Rust quasi-quoting syntax extension
+rust_library(
+    name = "quote",
+    edition = "2018",  # Using edition from Cargo.toml
+    srcs = glob(["src/**/*.rs"]),
+    crate_root = "src/lib.rs",
+    features = get_rust_features(),
+    rustc_flags = [],
+    env = {},
+    deps = [
+        # Conditional configuration for proc-macro2 with features based on our features
+        "//third-party/rust/crates/proc-macro2/1.0.74:proc-macro2",
+    ],
+    visibility = ["PUBLIC"],
+)
+
+# Test target for quote
+rust_test(
+    name = "quote_test",
+    srcs = glob(["tests/**/*.rs"]),  # Include all test files
+    crate = ":quote",
+    deps = [
+        "//third-party/rust/crates/proc-macro2/1.0.74:proc-macro2",
+        "//third-party/rust/crates/rustversion/1.0:rustversion",
+        "//third-party/rust/crates/trybuild/1.0.66:trybuild",
+    ],
+    features = get_rust_features(),
+)

third-party/rust/crates/quote/1.0.35/build.bzl

@@ -0,0 +1,20 @@
+def get_rust_features():
+    features_config = read_config("rust", "features", "")
+    
+    if features_config == "":
+        # Default features from Cargo.toml if none specified
+        return ["proc-macro"]
+    return [f.strip() for f in features_config.split(",") if f.strip()]
+
+def get_proc_macro2_features():
+    """
+    Get features for proc-macro2 dependency based on our own features.
+    """
+    features = get_rust_features()
+    proc_macro2_features = []
+    
+    # Add proc-macro feature to proc-macro2 if we have it
+    if "proc-macro" in features:
+        proc_macro2_features.append("proc-macro")
+    
+    return proc_macro2_features

third-party/rust/crates/rand_core/0.3.1/.cargo_vcs_info.json

@@ -0,0 +1,5 @@
+{
+  "git": {
+    "sha1": "3684cc95c7e39ed04a54cb65d1aa4227f3827d57"
+  }
+}

third-party/rust/crates/rand_core/0.3.1/BUCK

@@ -0,0 +1,17 @@
+load("@prelude//toolchains:rust.bzl", "system_rust_toolchain")
+load("//third-party/rust/crates/rand_core/0.3.1:build.bzl", "get_rust_features")
+
+# This rust_library implements rand_core 0.3.1
+rust_library(
+    name = "rand_core",
+    edition = "2018",  # Using 2018 as this is likely for rand_core 0.3.1
+    srcs = glob(["src/**/*.rs"]),
+    crate_root = "src/lib.rs",
+    features = get_rust_features(),
+    rustc_flags = [],
+    env = {},
+    deps = [
+        "//third-party/rust/crates/rand_core/0.4.0:rand_core",
+    ],
+    visibility = ["PUBLIC"],
+)

third-party/rust/crates/rand_core/0.3.1/CHANGELOG.md

@@ -0,0 +1,36 @@
+# Changelog
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [0.3.1] - 2019-01-25
+- Compatibility shim around version 0.4
+
+## [0.3.0] - 2018-09-24
+- Add `SeedableRng::seed_from_u64` for convenient seeding. (#537)
+
+## [0.2.1] - 2018-06-08
+- References to a `CryptoRng` now also implement `CryptoRng`. (#470)
+
+## [0.2.0] - 2018-05-21
+- Enable the `std` feature by default. (#409)
+- Remove `BlockRng{64}::inner` and `BlockRng::inner_mut`; instead making `core` public
+- Add `BlockRng{64}::index` and `BlockRng{64}::generate_and_set`. (#374, #419)
+- Change `BlockRngCore::Results` bound to also require `AsMut<[Self::Item]>`. (#419)
+- Implement `std::io::Read` for RngCore. (#434)
+
+## [0.1.0] - 2018-04-17
+(Split out of the Rand crate, changes here are relative to rand 0.4.2)
+- `RngCore` and `SeedableRng` are now part of `rand_core`. (#288)
+- Add modules to help implementing RNGs `impl` and `le`. (#209, #228)
+- Add `Error` and `ErrorKind`. (#225)
+- Add `CryptoRng` marker trait. (#273)
+- Add `BlockRngCore` trait. (#281)
+- Add `BlockRng` and `BlockRng64` wrappers to help implementations. (#281, #325)
+- Revise the `SeedableRng` trait. (#233)
+- Remove default implementations for `RngCore::next_u64` and `RngCore::fill_bytes`. (#288)
+- Add `RngCore::try_fill_bytes`. (#225)
+
+## [0.0.1] - 2017-09-14 (yanked)
+Experimental version as part of the rand crate refactor.