Mercurial > lcfOS
view python/ppci/compilers/kscompiler.py @ 101:af0d7913677a
Fixes and splitting into 3 stage
author | windel |
---|---|
date | Mon, 24 Dec 2012 17:55:08 +0100 |
parents | fe145e42259d |
children | 63937c8d1478 |
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import hashlib # Import compiler components: from ..frontends.ks import KsParser #from .codegenerator import CodeGenerator #from .nodes import ExportedSymbol from ..core.errors import CompilerException from ..core import version #from .. import version class KsCompiler: def __repr__(self): return 'LCFOS compiler {0}'.format(version) def generateSignature(self, src): return hashlib.md5(bytes(src,encoding='ascii')).hexdigest() def compilesource(self, src): """ Front end that handles the stages: """ self.errorlist = [] # Pass 1: parsing and type checking p = KsParser(src) try: ast = p.parseModule() # Parse a module into an AST except CompilerException as e: print(e) p.errorlist.append( (e.row, e.col, e.msg) ) if len(p.errorlist) > 0: self.errorlist = p.errorlist return # pass 2: Optimization # TODO: implement optimization # Pass 3: code generation CodeGenerator().generatecode(ast) # Attach a signature: ast.signature = self.generateSignature(src) # Generate exported symbols: ast.exports = [] for proc in ast.procs: if proc.public: sym = ExportedSymbol(proc.name, proc.typ) sym.imageoffset = proc.entrypoint ast.exports.append(sym) return ast def compileProject(self, project): mods = [] for fname in project.files: print('Compiling {0}...'.format(fname)) source = project.loadProjectFile(fname) mod = self.compilesource(source) mods.append(mod) return mods