Mercurial > lcfOS

comparison python/ppci/c3/scope.py @ 354:5477e499b039

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Added some sort of string functionality
author Windel Bouwman
date Thu, 13 Mar 2014 18:59:06 +0100
parents e609d5296ee9
children 2ec730e45ea1
comparison
equal deleted inserted replaced
353:b8ad45b3a573 354:5477e499b039
1 from .astnodes import Constant, Variable, Function, BaseType, Symbol 1 from .astnodes import Constant, Variable, Function, BaseType, Symbol
2 from .astnodes import ArrayType, StructureType, DefinedType, PointerType
3 from .astnodes import StructField
2 4
3 5
4 class Scope: 6 class Scope:
5 """ A scope contains all symbols in a scope. It also has a parent scope, 7 """ A scope contains all symbols in a scope. It also has a parent scope,
6 when looking for a symbol, also the parent scopes are checked. """ 8 when looking for a symbol, also the parent scopes are checked. """
70 intType.bytesize = target.byte_sizes['int'] 72 intType.bytesize = target.byte_sizes['int']
71 scope.addSymbol(intType) 73 scope.addSymbol(intType)
72 scope.addSymbol(BaseType('double')) 74 scope.addSymbol(BaseType('double'))
73 scope.addSymbol(BaseType('void')) 75 scope.addSymbol(BaseType('void'))
74 scope.addSymbol(BaseType('bool')) 76 scope.addSymbol(BaseType('bool'))
75 scope.addSymbol(BaseType('string')) 77 byteType = BaseType('byte')
76 scope.addSymbol(BaseType('byte')) 78 byteType.bytesize = target.byte_sizes['byte']
79 scope.addSymbol(byteType)
80
81 # Construct string type from others:
82 ln = StructField('len', intType)
83 txt = StructField('txt', ArrayType(byteType, 0))
84 strType = DefinedType('string', PointerType(StructureType([ln, txt])), None)
85 scope.addSymbol(strType)
77 return scope 86 return scope