syntax/parse: added syntax/parse/pre

No *residual* dependencies on racket/contract/base (the *disappearing*
macro transformers and compile-time support do use contracts, though).

collects/macro-debugger/analysis/private/moduledb.rkt

@@ -59,6 +59,7 @@
      scheme/gui/base
      slideshow/base
      string-constants
+     syntax/parse
      wxme)))
 
 (define no-bypass-rxs

collects/syntax/parse.rkt

@@ -1,14 +1,9 @@
 #lang racket/base
 (require racket/contract/base
-         "parse/private/sc.rkt"
-         "parse/private/litconv.rkt"
-         "parse/private/lib.rkt"
+         "parse/pre.rkt"
          "parse/experimental/provide.rkt"
          "parse/experimental/contract.rkt")
-(provide (except-out (all-from-out "parse/private/sc.rkt")
-                     syntax-parser/template parser/rhs)
-         (all-from-out "parse/private/litconv.rkt")
-         (except-out (all-from-out "parse/private/lib.rkt")
+(provide (except-out (all-from-out "parse/pre.rkt")
                      static)
          expr/c)
 (provide-syntax-class/contract

collects/syntax/parse/pre.rkt

@@ -0,0 +1,8 @@
+#lang racket/base
+(require "private/sc.rkt"
+         "private/litconv.rkt"
+         "private/lib.rkt")
+(provide (except-out (all-from-out "private/sc.rkt")
+                     syntax-parser/template parser/rhs)
+         (all-from-out "private/litconv.rkt")
+         (all-from-out "private/lib.rkt"))

collects/syntax/parse/private/litconv.rkt

@@ -5,7 +5,7 @@
                      "lib.rkt"
                      "kws.rkt"
                      racket/syntax
-                     syntax/keyword)
+                     syntax/private/keyword)
          syntax/parse/private/residual-ct ;; keep abs. path
          syntax/parse/private/residual    ;; keep abs. path
          (only-in unstable/syntax phase-of-enclosing-module))