python, hg: tow outside the environment.

they've served us well, and can ride off into the sunset.

1 files changed, 0 insertions, 136 deletions

diff --git a/sys/src/cmd/python/Python/future.c b/sys/src/cmd/python/Python/future.c
deleted file mode 100644
index 3b3ca1d7b..000000000
--- a/sys/src/cmd/python/Python/future.c
+++ /dev/null
@@ -1,136 +0,0 @@
-#include "Python.h"
-#include "Python-ast.h"
-#include "node.h"
-#include "token.h"
-#include "graminit.h"
-#include "code.h"
-#include "compile.h"
-#include "symtable.h"
-
-#define UNDEFINED_FUTURE_FEATURE "future feature %.100s is not defined"
-
-static int
-future_check_features(PyFutureFeatures *ff, stmt_ty s, const char *filename)
-{
-	int i;
-	asdl_seq *names;
-
-	assert(s->kind == ImportFrom_kind);
-
-	names = s->v.ImportFrom.names;
-	for (i = 0; i < asdl_seq_LEN(names); i++) {
-                alias_ty name = (alias_ty)asdl_seq_GET(names, i);
-		const char *feature = PyString_AsString(name->name);
-		if (!feature)
-			return 0;
-		if (strcmp(feature, FUTURE_NESTED_SCOPES) == 0) {
-			continue;
-		} else if (strcmp(feature, FUTURE_GENERATORS) == 0) {
-			continue;
-		} else if (strcmp(feature, FUTURE_DIVISION) == 0) {
-			ff->ff_features |= CO_FUTURE_DIVISION;
-		} else if (strcmp(feature, FUTURE_ABSOLUTE_IMPORT) == 0) {
-			ff->ff_features |= CO_FUTURE_ABSOLUTE_IMPORT;
-		} else if (strcmp(feature, FUTURE_WITH_STATEMENT) == 0) {
-			ff->ff_features |= CO_FUTURE_WITH_STATEMENT;
-		} else if (strcmp(feature, "braces") == 0) {
-			PyErr_SetString(PyExc_SyntaxError,
-					"not a chance");
-			PyErr_SyntaxLocation(filename, s->lineno);
-			return 0;
-		} else {
-			PyErr_Format(PyExc_SyntaxError,
-				     UNDEFINED_FUTURE_FEATURE, feature);
-			PyErr_SyntaxLocation(filename, s->lineno);
-			return 0;
-		}
-	}
-	return 1;
-}
-
-static int
-future_parse(PyFutureFeatures *ff, mod_ty mod, const char *filename)
-{
-	int i, found_docstring = 0, done = 0, prev_line = 0;
-
-	static PyObject *future;
-	if (!future) {
-		future = PyString_InternFromString("__future__");
-		if (!future)
-			return 0;
-	}
-
-	if (!(mod->kind == Module_kind || mod->kind == Interactive_kind))
-		return 1;
-
-	/* A subsequent pass will detect future imports that don't
-	   appear at the beginning of the file.  There's one case,
-	   however, that is easier to handl here: A series of imports
-	   joined by semi-colons, where the first import is a future
-	   statement but some subsequent import has the future form
-	   but is preceded by a regular import.
-	*/
-	   
-
-	for (i = 0; i < asdl_seq_LEN(mod->v.Module.body); i++) {
-		stmt_ty s = (stmt_ty)asdl_seq_GET(mod->v.Module.body, i);
-
-		if (done && s->lineno > prev_line)
-			return 1;
-		prev_line = s->lineno;
-
-		/* The tests below will return from this function unless it is
-		   still possible to find a future statement.  The only things
-		   that can precede a future statement are another future
-		   statement and a doc string.
-		*/
-
-		if (s->kind == ImportFrom_kind) {
-			if (s->v.ImportFrom.module == future) {
-				if (done) {
-					PyErr_SetString(PyExc_SyntaxError,
-							ERR_LATE_FUTURE);
-					PyErr_SyntaxLocation(filename, 
-							     s->lineno);
-					return 0;
-				}
-				if (!future_check_features(ff, s, filename))
-					return 0;
-				ff->ff_lineno = s->lineno;
-			}
-			else
-				done = 1;
-		}
-		else if (s->kind == Expr_kind && !found_docstring) {
-			expr_ty e = s->v.Expr.value;
-			if (e->kind != Str_kind)
-				done = 1;
-			else
-				found_docstring = 1;
-		}
-		else
-			done = 1;
-	}
-	return 1;
-}
-
-
-PyFutureFeatures *
-PyFuture_FromAST(mod_ty mod, const char *filename)
-{
-	PyFutureFeatures *ff;
-
-	ff = (PyFutureFeatures *)PyObject_Malloc(sizeof(PyFutureFeatures));
-	if (ff == NULL) {
-		PyErr_NoMemory();
-		return NULL;
-	}
-	ff->ff_features = 0;
-	ff->ff_lineno = -1;
-
-	if (!future_parse(ff, mod, filename)) {
-		PyObject_Free(ff);
-		return NULL;
-	}
-	return ff;
-}