Move ast_ into src/ package

Also refactor and rename it to ast since there's no longer
name clash! :-)

Author: boriel

arch/zx48k/translatorinstvisitor.py

@@ -3,7 +3,7 @@
 from src.api.constants import TYPE
 from src import symbols
 
-from ast_ import NodeVisitor
+from src.ast import NodeVisitor
 from .backend import Quad, MEMORY
 from src.api.debug import __DEBUG__
 

pyproject.toml

@@ -34,7 +34,6 @@ keywords = ['compiler', 'zxspectrum', 'BASIC', 'z80']  # arbitrary keywords
 packages = [
     { include = "src/**/*" },
     { include = "arch/**/*"},
-    { include = "ast_" },
     { include = "outfmt" }
 ]
 

setup.py

@@ -9,7 +9,6 @@
     'arch.zx48k.backend',
     'arch.zx48k.optimizer',
     'arch.zx48k.peephole',
-    'ast_',
     'outfmt'
 ]
 

src/api/optimize.py

@@ -2,7 +2,7 @@
 # -*- coding: utf-8 -*-
 
 from typing import NamedTuple
-from ast_ import NodeVisitor
+from src.ast import NodeVisitor
 from .config import OPTIONS
 from src.api.errmsg import warning
 import src.api.check as chk

ast_/__init__.py src/ast/__init__.pyast_/__init__.py renamed to src/ast/__init__.py

@@ -18,8 +18,8 @@
 
 from .asmlex import tokens  # noqa
 from .asm import AsmInstruction, Error
-from ast_ import Ast
-from ast_.tree import NotAnAstError
+from src.ast import Ast
+from src.ast.tree import NotAnAstError
 from src.api.debug import __DEBUG__
 from src.api.config import OPTIONS
 from src.api.errmsg import error

ast_/ast.py src/ast/ast.pyast_/ast.py renamed to src/ast/ast.py

@@ -12,7 +12,7 @@
 import re
 from collections import Counter
 
-from ast_ import Ast
+from src.ast import Ast
 import src.api.global_