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comparison python/ppci/compilers/kscompiler.py @ 101:af0d7913677a

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Fixes and splitting into 3 stage
author windel
date Mon, 24 Dec 2012 17:55:08 +0100
parents fe145e42259d
children 63937c8d1478
comparison
equal deleted inserted replaced
100:fe145e42259d 101:af0d7913677a
1 import hashlib 1 import hashlib
2 # Import compiler components: 2 # Import compiler components:
3 from ..frontends.ks import KsParser 3 from ..frontends.ks import KsParser
4 #from .codegenerator import CodeGenerator 4 #from .codegenerator import CodeGenerator
5 #from .nodes import ExportedSymbol 5 #from .nodes import ExportedSymbol
6 #from .errors import CompilerException 6 from ..core.errors import CompilerException
7 from ..core import version
7 #from .. import version 8 #from .. import version
8 version='0.0.1'
9 9
10 class KsCompiler: 10 class KsCompiler:
11 def __repr__(self): 11 def __repr__(self):
12 return 'LCFOS compiler {0}'.format(version) 12 return 'LCFOS compiler {0}'.format(version)
13 13
16 16
17 def compilesource(self, src): 17 def compilesource(self, src):
18 """ Front end that handles the stages: """ 18 """ Front end that handles the stages: """
19 self.errorlist = [] 19 self.errorlist = []
20 # Pass 1: parsing and type checking 20 # Pass 1: parsing and type checking
21 tokens = lexer.tokenize(src) # Lexical stage 21 p = KsParser(src)
22 p = Parser(tokens)
23 try: 22 try:
24 ast = p.parseModule() # Parse a module 23 ast = p.parseModule() # Parse a module into an AST
25 except CompilerException as e: 24 except CompilerException as e:
25 print(e)
26 p.errorlist.append( (e.row, e.col, e.msg) ) 26 p.errorlist.append( (e.row, e.col, e.msg) )
27 if len(p.errorlist) > 0: 27 if len(p.errorlist) > 0:
28 self.errorlist = p.errorlist 28 self.errorlist = p.errorlist
29 return 29 return
30 # Pass 2: code generation 30 # pass 2: Optimization
31 # TODO: implement optimization
32
33 # Pass 3: code generation
31 CodeGenerator().generatecode(ast) 34 CodeGenerator().generatecode(ast)
32 # Attach a signature: 35 # Attach a signature:
33 ast.signature = self.generateSignature(src) 36 ast.signature = self.generateSignature(src)
34 # Generate exported symbols: 37 # Generate exported symbols:
35 ast.exports = [] 38 ast.exports = []