merge from trunk

4 files changed, 43 insertions, 27 deletions

diff --git a/generic/tclLoad.c b/generic/tclLoad.c
index 820707e..202e66a 100644
--- a/generic/tclLoad.c
+++ b/generic/tclLoad.c
@@ -305,6 +305,12 @@ Tcl_LoadObjCmd(
 			&& (pkgGuess[2] == 'b')) {
 		    pkgGuess += 3;
 		}
+#ifdef __CYGWIN__
+		if ((pkgGuess[0] == 'c') && (pkgGuess[1] == 'y')
+			&& (pkgGuess[2] == 'g')) {
+		    pkgGuess += 3;
+		}
+#endif /* __CYGWIN__ */
 		for (p = pkgGuess; *p != 0; p += offset) {
 		    offset = Tcl_UtfToUniChar(p, &ch);
 		    if ((ch > 0x100)
diff --git a/generic/tclParse.c b/generic/tclParse.c
index 3c984bf..f0050c6 100644
--- a/generic/tclParse.c
+++ b/generic/tclParse.c
@@ -14,6 +14,7 @@
  */
  
 #include "tclInt.h"
+#include "tclParse.h"
 
 /*
  * The following table provides parsing information about each possible 8-bit
@@ -41,18 +42,7 @@
  * TYPE_BRACE -		Character is a curly brace (either left or right).
  */
 
-#define TYPE_NORMAL		0
-#define TYPE_SPACE		0x1
-#define TYPE_COMMAND_END	0x2
-#define TYPE_SUBS		0x4
-#define TYPE_QUOTE		0x8
-#define TYPE_CLOSE_PAREN	0x10
-#define TYPE_CLOSE_BRACK	0x20
-#define TYPE_BRACE		0x40
-
-#define CHAR_TYPE(c) (charTypeTable+128)[(int)(c)]
-
-static const char charTypeTable[] = {
+const char charTypeTable[] = {
     /*
      * Negative character values, from -128 to -1:
      */
diff --git a/generic/tclParse.h b/generic/tclParse.h
new file mode 100644
index 0000000..be1ab15
--- /dev/null
+++ b/generic/tclParse.h
@@ -0,0 +1,17 @@
+/*
+ * Minimal set of shared macro definitions and declarations so that multiple
+ * source files can make use of the parsing table in tclParse.c
+ */
+
+#define TYPE_NORMAL		0
+#define TYPE_SPACE		0x1
+#define TYPE_COMMAND_END	0x2
+#define TYPE_SUBS		0x4
+#define TYPE_QUOTE		0x8
+#define TYPE_CLOSE_PAREN	0x10
+#define TYPE_CLOSE_BRACK	0x20
+#define TYPE_BRACE		0x40
+
+#define CHAR_TYPE(c) (charTypeTable+128)[(int)(c)]
+
+MODULE_SCOPE const char charTypeTable[];
diff --git a/generic/tclUtil.c b/generic/tclUtil.c
index 31c9fd3..6ce430b 100644
--- a/generic/tclUtil.c
+++ b/generic/tclUtil.c
@@ -13,6 +13,7 @@
  */
 
 #include "tclInt.h"
+#include "tclParse.h"
 #include <math.h>
 
 /*
@@ -972,15 +973,16 @@ TclScanElement(
     }
 
     while (length) {
+      if (CHAR_TYPE(*p) != TYPE_NORMAL) {
 	switch (*p) {
-	case '{':
+	case '{':	/* TYPE_BRACE */
 #if COMPAT
 	    braceCount++;
 #endif
 	    extra++;				/* Escape '{' => '\{' */
 	    nestingLevel++;
 	    break;
-	case '}':
+	case '}':	/* TYPE_BRACE */
 #if COMPAT
 	    braceCount++;
 #endif
@@ -991,8 +993,8 @@ TclScanElement(
 		requireEscape = 1;
 	    }
 	    break;
-	case ']':
-	case '"':
+	case ']':	/* TYPE_CLOSE_BRACK */
+	case '"':	/* TYPE_SPACE */
 #if COMPAT
 	    forbidNone = 1;
 	    extra++;		/* Escapes all just prepend a backslash */
@@ -1001,22 +1003,22 @@ TclScanElement(
 #else
 	    /* FLOW THROUGH */
 #endif
-	case '[':
-	case '$':
-	case ';':
-	case ' ':
-	case '\f':
-	case '\n':
-	case '\r':
-	case '\t':
-	case '\v':
+	case '[':	/* TYPE_SUBS */
+	case '$':	/* TYPE_SUBS */
+	case ';':	/* TYPE_COMMAND_END */
+	case ' ':	/* TYPE_SPACE */
+	case '\f':	/* TYPE_SPACE */
+	case '\n':	/* TYPE_COMMAND_END */
+	case '\r':	/* TYPE_SPACE */
+	case '\t':	/* TYPE_SPACE */
+	case '\v':	/* TYPE_SPACE */
 	    forbidNone = 1;
 	    extra++;		/* Escape sequences all one byte longer. */
 #if COMPAT
 	    preferBrace = 1;
 #endif
 	    break;
-	case '\\':
+	case '\\':	/* TYPE_SUBS */
 	    extra++;				/* Escape '\' => '\\' */
 	    if ((length == 1) || ((length == -1) && (p[1] == '\0'))) {
 		/* Final backslash. Cannot format with brace quoting. */
@@ -1041,13 +1043,14 @@ TclScanElement(
 	    preferBrace = 1;
 #endif
 	    break;
-	case '\0':
+	case '\0':	/* TYPE_SUBS */
 	    if (length == -1) {
 		goto endOfString;
 	    }
 	    /* TODO: Panic on improper encoding? */
 	    break;
 	}
+      }
 	length -= (length > 0);
 	p++;
     }