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rust/src/librustc_passes/lib.rs

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move const block checks before lowering step this makes sure the checks run before typeck (which might use the constant or const function to calculate an array length) and gives prettier error messages in case of for loops and such (since they aren't expanded yet).
2016-01-15 06:16:54 -06:00
// Copyright 2012-2013 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
//! Various checks
//!
//! # Note
//!
//! This API is completely unstable and subject to change.
#![crate_name = "rustc_passes"]
#![unstable(feature = "rustc_private", issue = "27812")]
#![crate_type = "dylib"]
#![crate_type = "rlib"]
#![doc(html_logo_url = "https://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png",
mk: Move from `-D warnings` to `#![deny(warnings)]` This commit removes the `-D warnings` flag being passed through the makefiles to all crates to instead be a crate attribute. We want these attributes always applied for all our standard builds, and this is more amenable to Cargo-based builds as well. Note that all `deny(warnings)` attributes are gated with a `cfg(stage0)` attribute currently to match the same semantics we have today
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html_favicon_url = "https://doc.rust-lang.org/favicon.ico",
html_root_url = "https://doc.rust-lang.org/nightly/")]
#![cfg_attr(not(stage0), deny(warnings))]
move const block checks before lowering step this makes sure the checks run before typeck (which might use the constant or const function to calculate an array length) and gives prettier error messages in case of for loops and such (since they aren't expanded yet).
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#![feature(rustc_diagnostic_macros)]
#![feature(staged_api)]
#![feature(rustc_private)]
extern crate core;
run rustfmt on librustc_passes folder
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#[macro_use]
extern crate rustc;
move `const_eval` and `check_match` out of `librustc`
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extern crate rustc_const_eval;
don't report bitshift overflow twice
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extern crate rustc_const_math;
move const block checks before lowering step this makes sure the checks run before typeck (which might use the constant or const function to calculate an array length) and gives prettier error messages in case of for loops and such (since they aren't expanded yet).
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run rustfmt on librustc_passes folder
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#[macro_use]
extern crate log;
#[macro_use]
extern crate syntax;
Move errors from libsyntax to its own crate
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extern crate syntax_pos;
extern crate rustc_errors as errors;
move const block checks before lowering step this makes sure the checks run before typeck (which might use the constant or const function to calculate an array length) and gives prettier error messages in case of for loops and such (since they aren't expanded yet).
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pub mod diagnostics;
move more checks out of librustc
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sanity -> validation Add test for `::super` in import prefix
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pub mod ast_validation;
move more checks out of librustc
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pub mod consts;
Add -Zhir-stats for collecting statistics on HIR and AST
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pub mod hir_stats;
move more checks out of librustc
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pub mod loops;
Adds `-Z mir-stats`, which is similar to `-Z hir-stats`. Some notes: * This code attempts to present the breakdown of each variant for every enum in the MIR. This is meant to guide decisions about how to revise representations e.g. when to box payloads for rare variants to shrink the size of the enum overall. * I left out the "Total:" line that hir-stats presents, because this implementation uses the MIR Visitor infrastructure, and the memory usage of structures directly embedded in other structures (e.g. the `func: Operand` in a `TerminatorKind:Call`) is not distinguished from similar structures allocated in a `Vec` (e.g. the `args: Vec<Operand>` in a `TerminatorKind::Call`). This means that a naive summation of all the accumulated sizes is misleading, because it will double-count the contribution of the `Operand` of the `func` as well as the size of the whole `TerminatorKind`. * I did consider abandoning the MIR Visitor and instead hand-coding a traversal that distinguished embedded storage from indirect storage. But such code would be fragile; better to just require people to take care when interpreting the presented results. * This traverses the `mir.promoted` rvalues to capture stats for MIR stored there, even though the MIR visitor super_mir method does not do so. (I did not observe any new mir being traversed when compiling the rustc crate, however.) * It might be nice to try to unify this code with hir-stats. Then again, the reporting portion is the only common code (I think), and it is small compared to the visitors in hir-stats and mir-stats.
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pub mod mir_stats;
move const block checks before lowering step this makes sure the checks run before typeck (which might use the constant or const function to calculate an array length) and gives prettier error messages in case of for loops and such (since they aren't expanded yet).
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pub mod no_asm;
move more checks out of librustc
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pub mod rvalues;
pub mod static_recursion;
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