| // Copyright 2019 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "gn/rust_tool.h" |
| #include "gn/rust_values.h" |
| #include "gn/target.h" |
| |
| RustValues::RustValues() : crate_type_(RustValues::CRATE_AUTO) {} |
| |
| RustValues::~RustValues() = default; |
| |
| // static |
| RustValues::CrateType RustValues::InferredCrateType(const Target* target) { |
| // TODO: Consider removing crate_type. It allows for things like |
| // |
| // executable("foo") { |
| // crate_type = "rlib" |
| // } |
| // |
| // Which doesn't make sense. |
| if (!target->source_types_used().RustSourceUsed()) { |
| return CRATE_AUTO; |
| } |
| |
| CrateType crate_type = target->rust_values().crate_type(); |
| if (crate_type != CRATE_AUTO) { |
| return crate_type; |
| } |
| |
| switch (target->output_type()) { |
| case Target::EXECUTABLE: |
| return CRATE_BIN; |
| case Target::SHARED_LIBRARY: |
| return CRATE_DYLIB; |
| case Target::STATIC_LIBRARY: |
| return CRATE_STATICLIB; |
| case Target::RUST_LIBRARY: |
| return CRATE_RLIB; |
| case Target::RUST_PROC_MACRO: |
| return CRATE_PROC_MACRO; |
| default: |
| return CRATE_AUTO; |
| } |
| } |
| |
| // static |
| bool RustValues::IsRustLibrary(const Target* target) { |
| return target->output_type() == Target::RUST_LIBRARY || |
| InferredCrateType(target) == CRATE_DYLIB || |
| InferredCrateType(target) == CRATE_PROC_MACRO; |
| } |