[vala] (24 commits) Created branch wip/transform-ast

[Rico Tzschichholz <ricotz src gnome org>]

The branch 'wip/transform-ast' was created.

Summary of new commits:

  3b27504... vala: Make SemanticAnalyzer be stateless
  dc4d88c... FIX SemanticAnalyzer stateless
  feac088... vala: Fix result var for pre/post conditions
  9ece1aa... parser: Allow to parse expressions/statements from string
  e8bd191... Code builder
  0faab54... Code transformer
  8443ed5... Move MethodCall transformation into the code transformer
  49eb614... Move WhileStatement transformation into the code transforme
  0da5e0f... Move DoStatement transformation into the code transformer
  dc03550... tests: Add test for do-while statement control-flow
  c23e8c7... Move ForStatement transformation into the code transformer
  983ac7b... Move ConditionalExpression transformation into the code tra
  37e1fe0... Move ForeachStatement transformation into the code transfor
  c79f026... Move BinaryExpression transformation to the code transforme
  1994ea3... Move ObjectCreationExpression transformation to the code tr
  11eb2fc... DOM-like linked list of statements
  896903e... Cleanup generated empty blocks
  5cc6fd8... Move UnaryExpression tranformation into code transformer
  8cc1077... Move Template transformation to the code transformer
  8d4dc87... Move PostfixExpression transformation into the transformer
  1954691... Set the scope of the codebuilder block for symbol resolutio
  b44dfd6... Accept method call children
  0a29ba5... Use %? in the parser rather than stringifying expressions
  d640b9a... Use more statements()