Update chisel3.5 and remove chisel3 jar

.travis.yml

@@ -1,5 +1,7 @@
 name: Scratchip CI
 language: python
+python:
+  - "3.9"
 script:
   - python setup.py bdist_wheel
 before_deploy:

requirements.txt

@@ -1,4 +1,3 @@
 pyyaml
-chisel3-jar
 mill-bin
 mill-cache

scratchip/assets/Demo.scala

@@ -16,5 +16,6 @@ class {top_name} extends Module {{
 }}
 
 object Main extends App {{
-  Driver.execute(args, () => new {top_name})
+  (new chisel3.stage.ChiselStage)
+    .emitVerilog(new {top_name}, args)
 }}

scratchip/main.py

@@ -8,7 +8,6 @@
 import tarfile
 import shutil
 import yaml
-import chisel3_jar
 import mill_bin
 import mill_cache
 import glob
@@ -36,7 +35,7 @@ class ScratChip:
     prj_name = "None"
     prj_path = "None"
     top_name = "None"
-    scratchip_path = 'builds/scratchip'
+    scratchip_path = '.scratchip'
     cfg = None
 
     def __init__(self, prj_name, cfg):
@@ -62,16 +61,13 @@ def init(self):
         cache_path = os.path.join(self.prj_path, self.scratchip_path)
         mill_path = os.path.join(self.prj_path, self.scratchip_path + '/mill')
         jars_path = os.path.join(self.prj_path, self.scratchip_path + '/jars')
-        chisel3_jar_path = os.path.join(jars_path, 'chisel3.jar')
 
         if not os.path.exists(cache_path):
             self.extract_cache(mill_cache.source, cache_path)
         if not os.path.exists(mill_path):
             shutil.copyfile(mill_bin.source, mill_path)
         if not os.path.exists(jars_path):
             os.makedirs(jars_path)
-        if not os.path.exists(chisel3_jar_path):
-            shutil.copyfile(chisel3_jar.source, chisel3_jar_path)
 
         # create project's YAML template
         prj_yml_dest = os.path.join(self.prj_path, 'project.yml')

setup.py

@@ -8,7 +8,6 @@
     packages=["scratchip"],
     package_data={
         "scratchip": [
-            "jars/chisel3.jar",
             "assets/default.yaml",
             "assets/project.yml",
             "assets/build.sc",
@@ -35,7 +34,6 @@
     entry_points={"console_scripts": ["scratchip = scratchip.main:main"]},
     setup_requires=["setuptools_scm",],
     install_requires=[
-        "chisel3-jar",
         "mill-bin",
         "mill-cache",
         "pyyaml",