Adds most of the toolsHEADmaster

1 files changed, 81 insertions, 0 deletions

diff --git a/v_windows/v/old/vlib/context/_context.v b/v_windows/v/old/vlib/context/_context.v
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+// This module defines the Context type, which carries deadlines, cancellation signals,
+// and other request-scoped values across API boundaries and between processes.
+// Based off:   https://github.com/golang/go/tree/master/src/context
+// Last commit: https://github.com/golang/go/commit/52bf14e0e8bdcd73f1ddfb0c4a1d0200097d3ba2
+module context
+
+import time
+
+const (
+	background         = EmptyContext(0)
+	todo               = EmptyContext(1)
+
+	cancel_context_key = 'context.CancelContext'
+
+	// canceled is the error returned by Context.err when the context is canceled.
+	canceled           = error('context canceled')
+
+	// deadline_exceeded is the error returned by Context.err when the context's
+	// deadline passes.
+	deadline_exceeded  = error('context deadline exceeded')
+)
+
+pub interface Context {
+	// deadline returns the time when work done on behalf of this context
+	// should be canceled. deadline returns none when no deadline is
+	// set. Successive calls to deadline return the same results.
+	deadline() ?time.Time
+	// done returns a channel that's closed when work done on behalf of this
+	// context should be canceled. done may return nil if this context can
+	// never be canceled. Successive calls to done return the same value.
+	// The close of the done channel may happen asynchronously,
+	// after the cancel function returns.
+	//
+	// with_cancel arranges for done to be closed when cancel is called;
+	// with_deadline arranges for done to be closed when the deadline
+	// expires; with_timeout arranges for done to be closed when the timeout
+	// elapses.
+	done() chan int
+	// If done is not yet closed, err returns nil.
+	// If done is closed, err returns a non-nil error explaining why:
+	// canceled if the context was canceled
+	// or deadline_exceeded if the context's deadline passed.
+	// After err returns a non-nil error, successive calls to err return the same error.
+	err() IError
+	// Value returns the value associated with this context for key, or nil
+	// if no value is associated with key. Successive calls to Value with
+	// the same key returns the same result.
+	//
+	// Use context values only for request-scoped data that transits
+	// processes and API boundaries, not for passing optional parameters to
+	// functions.
+	//
+	// A key identifies a specific value in a Context. Functions that wish
+	// to store values in Context typically allocate a key in a global
+	// variable then use that key as the argument to context.with_value and
+	// Context.Value. A key can be any type that supports equality;
+	// packages should define keys as an unexported type to avoid
+	// collisions.
+	value(key string) ?voidptr
+	str() string
+}
+
+// background returns an empty Context. It is never canceled, has no
+// values, and has no deadline. It is typically used by the main function,
+// initialization, and tests, and as the top-level Context for incoming
+// requests.
+pub fn background() Context {
+	return context.background
+}
+
+// todo returns an empty Context. Code should use todo when
+// it's unclear which Context to use or it is not yet available (because the
+// surrounding function has not yet been extended to accept a Context
+// parameter).
+pub fn todo() Context {
+	return context.todo
+}
+
+fn context_name(ctx Context) string {
+	return typeof(ctx)
+}