add: added projectsHEADmain

1 files changed, 97 insertions, 0 deletions

diff --git a/tiger-compiler/tcsh/python/tc.py b/tiger-compiler/tcsh/python/tc.py
new file mode 100644
index 0000000..095e79c
--- /dev/null
+++ b/tiger-compiler/tcsh/python/tc.py
@@ -0,0 +1,97 @@
+# Tiger Compiler module loader.
+
+import importlib
+
+from enum import Enum
+from typing import List, Literal
+
+
+class BackendType(Enum):
+    llvm: Literal["llvm"] = "llvm"
+    mips: Literal["mips"] = "mips"
+
+
+def try_import(prefix: str, modules: List[str]):
+    for mod in modules:
+        mod_name = prefix + mod
+        try:
+            globals()[mod] = importlib.import_module(mod_name)
+        except:
+            pass
+
+
+# Query tc for a module.
+def has(module_name: str) -> bool:
+    return module_name in globals()
+
+
+try_import(
+    "tiger_",
+    [
+        "misc",
+        "common",
+        "parse",
+        "object",
+        "ast",
+        "bind",
+        "escapes",
+        "type",
+        "combine",
+        "astclone",
+        "desugar",
+        "overload",
+        "llvmtranslate",
+    ],
+)
+
+# Shortcuts
+Cout = common.cvar.Cout
+Cerr = common.cvar.Cerr
+Ofstream = common.Ofstream
+
+# Load IPython specific support if we can.
+try:
+    # Load only if we are running IPython.
+    from IPython import get_ipython
+    from IPython.core.magic import Magics, magics_class, cell_magic
+    import os
+    import sys
+    import tempfile
+
+    import ti
+
+    @magics_class
+    class TigerMagics(Magics):
+        @cell_magic
+        def tiger(self, line, cell):
+            if not line:
+                print(self.__doc__, file=sys.stderr)
+                return
+            backend = BackendType("mips")
+            line = line.split()
+            if len(line) == 2 and line[1] in [e.value for e in BackendType]:
+                backend = BackendType(line[1])
+            elif len(line) > 1:
+                print(self.__doc__, file=sys.stderr)
+                return
+            with tempfile.NamedTemporaryFile(dir=".", suffix=".tig") as t:
+                t.write(cell.encode("utf-8"))
+                t.flush()
+                executor = ti.TiExecutor(t.name, exit_on_error=False, backend=backend)
+                executor.backend_get()
+                self.shell.user_ns[line[0]] = executor.data
+
+    TigerMagics.__doc__ = (
+        "%%tiger variable_name [backend]\n"
+        "variable_name is the name of the finale variable\n"
+        "backend is optional and must be in [{}]".format(
+            ", ".join((e.value for e in BackendType))
+        )
+    )
+
+    ip = get_ipython()
+    if ip:
+        ip.register_magics(TigerMagics)
+
+except (ImportError, NameError) as e:
+    pass