Class IarToolchain

tools/ng/toolchain.py:258–334

IAR toolchain implementation.

class IarToolchain(Toolchain):
    """IAR toolchain implementation."""
    
    def get_name(self) -> str:
        return "iar"
        
    def detect(self) -> bool:
        """Detect IAR toolchain."""
        iccarm_path = shutil.which("iccarm")
        if not iccarm_path:
            # Try common IAR installation paths
            iar_paths = [
                r"C:\Program Files (x86)\IAR Systems\Embedded Workbench 8.0\arm\bin",
                r"C:\Program Files\IAR Systems\Embedded Workbench 8.0\arm\bin",
                "/opt/iar/bin"
            ]
            for path in iar_paths:
                test_path = os.path.join(path, "iccarm.exe" if os.name == 'nt' else "iccarm")
                if os.path.exists(test_path):
                    iccarm_path = test_path
                    break
                    
        if not iccarm_path:
            return False
            
        self.info = ToolchainInfo(
            name="iar",
            version="8.x",  # IAR version detection is complex
            path=os.path.dirname(iccarm_path)
        )
        return True
        
    def configure_environment(self, env) -> None:
        """Configure environment for IAR."""
        env['CC'] = 'iccarm'
        env['CXX'] = 'iccarm'
        env['AS'] = 'iasmarm'
        env['AR'] = 'iarchive'
        env['LINK'] = 'ilinkarm'
        
        # IAR specific settings
        env['LIBPREFIX'] = ''
        env['LIBSUFFIX'] = '.a'
        env['LIBLINKPREFIX'] = ''
        env['LIBLINKSUFFIX'] = '.a'
        
        # Path
        if self.info and self.info.path:
            env.PrependENVPath('PATH', self.info.path)
            
    def get_compile_flags(self, cpu: str, fpu: str = None, float_abi: str = None) -> Dict[str, str]:
        """Get IAR flags."""
        flags = {
            'CFLAGS': [],
            'CXXFLAGS': [],
            'ASFLAGS': [],
            'LDFLAGS': []
        }