NIR: store sizes, alignments and offsets in the type graph; beginning… (#22822)

…s of a patent-pending new VM

1 files changed, 48 insertions, 0 deletions

diff --git a/compiler/nir/nirc.nim b/compiler/nir/nirc.nim
new file mode 100644
index 000000000..da8d7d778
--- /dev/null
+++ b/compiler/nir/nirc.nim
@@ -0,0 +1,48 @@
+#
+#
+#           The Nim Compiler
+#        (c) Copyright 2023 Andreas Rumpf
+#
+#    See the file "copying.txt", included in this
+#    distribution, for details about the copyright.
+#
+
+## Nir Compiler. Currently only supports a "view" command.
+
+import ".." / ic / [bitabs, rodfiles]
+import nirinsts, nirtypes, nirlineinfos
+
+proc view(filename: string) =
+  var lit = Literals()
+
+  var r = rodfiles.open(filename)
+  var code = default Tree
+  var man = default LineInfoManager
+  var types = initTypeGraph(lit)
+  try:
+    r.loadHeader(nirCookie)
+    r.loadSection stringsSection
+    r.load lit.strings
+
+    r.loadSection numbersSection
+    r.load lit.numbers
+
+    r.loadSection bodiesSection
+    r.load code
+
+    r.loadSection typesSection
+    r.load types
+
+    r.loadSection sideChannelSection
+    r.load man
+
+  finally:
+    r.close()
+
+  var res = ""
+  allTreesToString code, lit.strings, lit.numbers, res
+  echo res
+
+import std / os
+
+view paramStr(1)