gaia-assembler 0.1.1

use crate::{
    backends::{Backend, GeneratedFiles},
    config::GaiaConfig,
    instruction::{DomainInstruction, GaiaInstruction},
    program::{GaiaModule, GaiaTerminator},
};
use gaia_types::{
    helpers::{AbiCompatible, ApiCompatible, Architecture, ArtifactType, CompilationTarget},
    neural::NeuralNode,
    Result,
};
use gcn_assembler::{
    instructions::{GcnInstruction, GcnReg},
    program::{GcnKernel, GcnProgram},
    GcnWriter,
};
use std::collections::HashMap;

pub struct GcnBackend {
    writer: GcnWriter,
}

impl GcnBackend {
    pub fn new() -> Self {
        Self { writer: GcnWriter::new() }
    }
}

impl Backend for GcnBackend {
    fn name(&self) -> &'static str {
        "AMD GCN"
    }

    fn primary_target(&self) -> CompilationTarget {
        CompilationTarget { build: Architecture::GCN, host: AbiCompatible::GCN, target: ApiCompatible::Unknown }
    }

    fn artifact_type(&self) -> ArtifactType {
        ArtifactType::Executable
    }

    fn match_score(&self, target: &CompilationTarget) -> f32 {
        if target.build == Architecture::GCN {
            return 100.0;
        }
        0.0
    }

    fn generate(&self, program: &GaiaModule, config: &GaiaConfig) -> Result<GeneratedFiles> {
        let mut files = HashMap::new();

        // Convert GaiaModule -> GcnProgram
        let gcn_program = convert_gaia_to_gcn(program)?;

        // Write GcnProgram to binary
        let binary = self.writer.write(&gcn_program)?;

        files.insert("kernel.bin".to_string(), binary);

        Ok(GeneratedFiles { artifact_type: ArtifactType::Executable, files, custom: None, diagnostics: vec![] })
    }
}

fn convert_gaia_to_gcn(program: &GaiaModule) -> Result<GcnProgram> {
    // Placeholder conversion logic
    Ok(GcnProgram { name: program.name.clone(), kernels: vec![] })
}