Implemented msvc.py

SLS_C/build_system/compilers/msvc.py

@@ -0,0 +1,224 @@
+#!/usr/bin/env python3
+"""
+MSVC (Microsoft Visual C++) compiler implementation.
+Used for Windows native builds.
+"""
+
+from pathlib import Path
+from typing import List, Optional
+from .base import Compiler, CompileResult
+from build_system.utils import run
+import subprocess
+
+
+class MSVCCompiler(Compiler):
+    """Microsoft Visual C++ compiler implementation."""
+    
+    def __init__(self, executable: str = "cl"):
+        """
+        Initialize MSVC compiler.
+        
+        Args:
+            executable: Compiler executable name ("cl")
+        """
+        super().__init__("MSVC", executable)
+    
+    def compile(self,
+                source: Path,
+                output: Path,
+                flags: Optional[List[str]] = None,
+                defines: Optional[List[str]] = None,
+                include_dirs: Optional[List[Path]] = None,
+                dependency_file: Optional[Path] = None) -> CompileResult:
+        """
+        Compile a source file using MSVC.
+        
+        Args:
+            source: Source file path
+            output: Output object file path
+            flags: Additional compiler flags
+            defines: Preprocessor defines
+            include_dirs: Additional include directories
+            dependency_file: Path for dependency file (not used by MSVC)
+        
+        Returns:
+            CompileResult with object file path
+        
+        Raises:
+            subprocess.CalledProcessError: If compilation fails
+        """
+        # Ensure output directory exists
+        output.parent.mkdir(parents=True, exist_ok=True)
+        
+        # Build command
+        cmd = [self.executable]
+        
+        # Add flags
+        if flags:
+            cmd.extend(flags)
+        
+        # Add compile-only flag
+        cmd.append(self.get_compile_only_flag())
+        
+        # Add defines
+        if defines:
+            cmd.extend([self.get_define_flag(d) for d in defines])
+        
+        # Add include directories
+        if include_dirs:
+            cmd.extend([self.get_include_flag(d) for d in include_dirs])
+        
+        # Add output file (MSVC uses /Fo)
+        cmd.extend(self.get_output_flag(output))
+        
+        # Add source file
+        cmd.append(str(source))
+        
+        # Run compilation
+        run(cmd) # type: ignore
+        
+        return CompileResult(
+            object_file=output,
+            dependency_file=None,  # MSVC doesn't generate .d files
+            success=True
+        )
+    
+    def link(self,
+             objects: List[Path],
+             output: Path,
+             flags: Optional[List[str]] = None,
+             libraries: Optional[List[str]] = None,
+             library_dirs: Optional[List[Path]] = None) -> bool:
+        """
+        Link object files into an executable using MSVC.
+        
+        Args:
+            objects: List of object file paths
+            output: Output executable path
+            flags: Additional linker flags
+            libraries: Libraries to link against
+            library_dirs: Additional library search directories
+        
+        Returns:
+            True if linking succeeded
+        
+        Raises:
+            subprocess.CalledProcessError: If linking fails
+        """
+        # Ensure output directory exists
+        output.parent.mkdir(parents=True, exist_ok=True)
+        
+        # Build command
+        cmd = [self.executable]
+        
+        # Add object files
+        cmd.extend([str(obj) for obj in objects])
+        
+        # Add output file (MSVC uses /Fe)
+        cmd.append(f"/Fe{output}")
+        
+        # Add linker flags
+        if flags:
+            cmd.extend(flags)
+        
+        # Add library directories
+        if library_dirs:
+            cmd.extend([f"/LIBPATH:{lib_dir}" for lib_dir in library_dirs])
+        
+        # Add libraries (MSVC uses .lib extension)
+        if libraries:
+            for lib in libraries:
+                # Add .lib if not present
+                lib_name = lib if lib.endswith('.lib') else f"{lib}.lib"
+                cmd.append(lib_name)
+        
+        # Run linker
+        run(cmd) # type: ignore
+        
+        return True
+    
+    def get_object_extension(self) -> str:
+        """Get object file extension for MSVC."""
+        return ".obj"
+    
+    def get_dependency_extension(self) -> str:
+        """Get dependency file extension for MSVC."""
+        return ".d"  # Not actually used by MSVC
+    
+    def supports_dependency_generation(self) -> bool:
+        """MSVC does not support automatic dependency generation like GCC."""
+        return False
+    
+    def get_define_flag(self, define: str) -> str:
+        """Get the MSVC flag for a preprocessor define."""
+        return f"/D{define}"
+    
+    def get_include_flag(self, include_dir: Path) -> str:
+        """Get the MSVC flag for an include directory."""
+        return f"/I{include_dir}"
+    
+    def get_output_flag(self, output: Path) -> List[str]:
+        """Get the MSVC flag for specifying output file."""
+        return [f"/Fo{output}"]
+    
+    def get_compile_only_flag(self) -> str:
+        """Get the MSVC flag to compile without linking."""
+        return "/c"
+    
+    def get_version(self) -> Optional[str]:
+        """
+        Get the MSVC version string.
+        
+        Returns:
+            Version string if available, None otherwise
+        """
+        try:
+            result = subprocess.run(
+                [self.executable],
+                capture_output=True,
+                text=True,
+                check=False
+            )
+            # MSVC prints version info to stderr when called with no args
+            if result.stderr:
+                lines = result.stderr.strip().split('\n')
+                for line in lines:
+                    if "Microsoft" in line or "Version" in line:
+                        return line.strip()
+        except Exception:
+            pass
+        
+        return None
+
+
+def detect_msvc_compiler() -> Optional[MSVCCompiler]:
+    """
+    Detect and return an available MSVC compiler.
+    
+    Returns:
+        MSVCCompiler instance if found, None otherwise
+    """
+    from build_system.utils import which
+    
+    # Try to find MSVC
+    if which("cl"):
+        return MSVCCompiler()
+    
+    return None
+
+
+def check_msvc_environment() -> bool:
+    """
+    Check if MSVC environment is properly set up.
+    
+    Returns:
+        True if MSVC is available and environment is configured, False otherwise
+    """
+    from build_system.utils import check_tool
+    
+    if check_tool("cl"):
+        return True
+    else:
+        print("Make sure to run from a Visual Studio Developer Command Prompt")
+        print("or run vcvarsall.bat to set up the environment.")
+        return False