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hakorune/docs/archive/backends/llvm-inkwell-legacy/context.rs

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/*!
* LLVM Context Management - Handle LLVM context, module, and target setup (legacy)
*/
/// Mock implementation when legacy inkwell backend is disabled
#[cfg(not(feature = "llvm-inkwell-legacy"))]
pub struct CodegenContext {
_phantom: std::marker::PhantomData<()>,
}
#[cfg(not(feature = "llvm-inkwell-legacy"))]
impl CodegenContext {
pub fn new(_module_name: &str) -> Result<Self, String> {
Ok(Self {
_phantom: std::marker::PhantomData,
})
}
}
// Real implementation (compiled only when feature "llvm-inkwell-legacy" is enabled)
#[cfg(feature = "llvm-inkwell-legacy")]
use inkwell::builder::Builder;
#[cfg(feature = "llvm-inkwell-legacy")]
use inkwell::context::Context;
#[cfg(feature = "llvm-inkwell-legacy")]
use inkwell::module::Module;
#[cfg(feature = "llvm-inkwell-legacy")]
use inkwell::targets::{InitializationConfig, Target, TargetMachine};
#[cfg(feature = "llvm-inkwell-legacy")]
pub struct CodegenContext<'ctx> {
pub context: &'ctx Context,
pub module: Module<'ctx>,
pub builder: Builder<'ctx>,
pub target_machine: TargetMachine,
}
#[cfg(feature = "llvm-inkwell-legacy")]
impl<'ctx> CodegenContext<'ctx> {
pub fn new(context: &'ctx Context, module_name: &str) -> Result<Self, String> {
Target::initialize_native(&InitializationConfig::default())
.map_err(|e| format!("Failed to initialize native target: {}", e))?;
let module = context.create_module(module_name);
let triple = TargetMachine::get_default_triple();
let target =
Target::from_triple(&triple).map_err(|e| format!("Failed to get target: {}", e))?;
let target_machine = target
.create_target_machine(
&triple,
"generic",
"",
inkwell::OptimizationLevel::None,
inkwell::targets::RelocMode::Default,
inkwell::targets::CodeModel::Default,
)
.ok_or_else(|| "Failed to create target machine".to_string())?;
let builder = context.create_builder();
Ok(Self {
context,
module,
builder,
target_machine,
})
}
}