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comparison applications/ide/compiler/compiler.py @ 39:600f48b74799

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Move ide
author windel
date Fri, 03 Feb 2012 18:40:43 +0100
parents ide/compiler/compiler.py@de004f808e56
children
comparison
equal deleted inserted replaced
38:a1c9c2158e99 39:600f48b74799
1 import hashlib
2 # Import compiler components:
3 from . import lexer
4 from .parser import Parser
5 from .codegenerator import CodeGenerator
6 from .nodes import ExportedSymbol
7 from .errors import CompilerException
8
9 class Compiler:
10 versie = '0.9.3'
11
12 def __repr__(self):
13 return 'LCFOS compiler {0}'.format(self.versie)
14
15 def generateSignature(self, src):
16 return hashlib.md5(bytes(src,encoding='ascii')).hexdigest()
17
18 def compilesource(self, src):
19 """ Front end that handles the stages: """
20 self.errorlist = []
21 # Pass 1: parsing and type checking
22 tokens = lexer.tokenize(src) # Lexical stage
23 p = Parser(tokens)
24 try:
25 ast = p.parseModule() # Parse a module
26 except CompilerException as e:
27 p.errorlist.append( (e.row, e.col, e.msg) )
28 if len(p.errorlist) > 0:
29 self.errorlist = p.errorlist
30 return
31 # Pass 2: code generation
32 CodeGenerator().generatecode(ast)
33 # Attach a signature:
34 ast.signature = self.generateSignature(src)
35 # Generate exported symbols:
36 ast.exports = []
37 for proc in ast.procs:
38 if proc.public:
39 sym = ExportedSymbol(proc.name, proc.typ)
40 sym.imageoffset = proc.entrypoint
41 ast.exports.append(sym)
42 return ast
43
44 def compileProject(self, project):
45 mods = []
46 for fname in project.files:
47 print('Compiling {0}...'.format(fname))
48 source = project.loadProjectFile(fname)
49 mod = self.compilesource(source)
50 mods.append(mod)
51 return mods
52
53