Mercurial > lcfOS

comparison ide/compiler/compiler.py @ 1:92df07bc2081

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Initial import of compiler
author windel
date Sun, 18 Sep 2011 19:00:29 +0200
parents
children 818f80afa78b
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0:1a4faf9ef1ea 1:92df07bc2081
1 import hashlib
2 # Import compiler components:
3 from . import lexer
4 from . import parser
5 from .codegenerator import CodeGenerator
6 from .nodes import ExportedSymbol
7
8 class Compiler:
9 versie = '0.9.3'
10
11 def __repr__(self):
12 return 'LCFOS compiler {0}'.format(self.versie)
13
14 def generateSignature(self, src):
15 return hashlib.md5(bytes(src,encoding='ascii')).hexdigest()
16
17 def compilesource(self, src):
18 """ Front end that handles the stages: """
19 tokens = lexer.tokenize(src) # Lexical stage
20 ast = parser.Parser(tokens).parseModule() # Parse a module
21 CodeGenerator().generatecode(ast)
22 # Attach a signature:
23 ast.signature = self.generateSignature(src)
24 # Generate exported symbols:
25 ast.exports = []
26 for proc in ast.procs:
27 if proc.public:
28 sym = ExportedSymbol(proc.name, proc.typ)
29 sym.imageoffset = proc.entrypoint
30 ast.exports.append(sym)
31
32 return ast
33