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Revert "Remove FunctionBuilderContext from API, and change FunctionBuilder API"

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This reverts commit 39e638af99dbe6537bc935bfb1a74669b62877b3.
This commit is contained in:
Erin Power
2019-09-14 17:08:10 +02:00
committed by Benjamin Bouvier
parent 8d62d5f724
commit 5426e42a27
11 changed files with 172 additions and 162 deletions
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19
cranelift/frontend/src/lib.rs
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@@ -3,7 +3,7 @@
//! Provides a straightforward way to create a Cranelift IR function and fill it with instructions
//! corresponding to your source program written in another language.
//!
//! To get started, create an [`Function`](../cranelift_codegen/ir/function/struct.Function.html) and
//! To get started, create an [`FunctionBuilderContext`](struct.FunctionBuilderContext.html) and
//! pass it as an argument to a [`FunctionBuilder`](struct.FunctionBuilder.html).
//!
//! # Mutable variables and Cranelift IR values
@@ -61,7 +61,7 @@
//! }
//! ```
//!
//! Here is how you build the corresponding Cranelift IR function using `Function`:
//! Here is how you build the corresponding Cranelift IR function using `FunctionBuilderContext`:
//!
//! ```rust
//! extern crate cranelift_codegen;
@@ -73,15 +73,16 @@
//! use cranelift_codegen::isa::CallConv;
//! use cranelift_codegen::settings;
//! use cranelift_codegen::verifier::verify_function;
//! use cranelift_frontend::{FunctionBuilder, Variable};
//! use cranelift_frontend::{FunctionBuilder, FunctionBuilderContext, Variable};
//!
//! fn main() {
//! let mut sig = Signature::new(CallConv::SystemV);
//! sig.returns.push(AbiParam::new(I32));
//! sig.params.push(AbiParam::new(I32));
//! let func = {
//! let func = Function::with_name_signature(ExternalName::user(0, 0), sig);
//! let mut builder = FunctionBuilder::new(func);
//! let mut fn_builder_ctx = FunctionBuilderContext::new();
//! let mut func = Function::with_name_signature(ExternalName::user(0, 0), sig);
//! {
//! let mut builder = FunctionBuilder::new(&mut func, &mut fn_builder_ctx);
//!
//! let block0 = builder.create_ebb();
//! let block1 = builder.create_ebb();
@@ -151,8 +152,8 @@
//! builder.ins().jump(block1, &[]);
//! builder.seal_block(block1);
//!
//! builder.finalize()
//! };
//! builder.finalize();
//! }
//!
//! let flags = settings::Flags::new(settings::builder());
//! let res = verify_function(&func, &flags);
@@ -194,7 +195,7 @@ use hashmap_core::HashMap;
#[cfg(feature = "std")]
use std::collections::HashMap;
pub use crate::frontend::FunctionBuilder;
pub use crate::frontend::{FunctionBuilder, FunctionBuilderContext};
pub use crate::switch::Switch;
pub use crate::variable::Variable;