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changeset 55:5887751f8e04

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- Relocated ptable to the bottom of the source file.
author aziz
date Wed, 27 Jun 2007 18:02:05 +0000
parents e55bd2270f94
children 63af7ddf52e1
files trunk/src/Lexer.d
diffstat 1 files changed, 88 insertions(+), 88 deletions(-) [+]
line wrap: on
line diff
--- a/trunk/src/Lexer.d	Wed Jun 27 17:58:00 2007 +0000
+++ b/trunk/src/Lexer.d	Wed Jun 27 18:02:05 2007 +0000
@@ -12,94 +12,6 @@
 import std.uni;
 import std.conv;
 
-/// ASCII character properties table.
-static const int ptable[256] = [
- 0, 0, 0, 0, 0, 0, 0, 0, 0,32, 0,32,32, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-32, 0, 0x2200, 0, 0, 0, 0, 0x2700, 0, 0, 0, 0, 0, 0, 0, 0,
- 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 0, 0, 0, 0, 0, 0x3f00,
- 0,12,12,12,12,12,12, 8, 8, 8, 8, 8, 8, 8, 8, 8,
- 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 0, 0x5c00, 0, 0,16,
- 0, 0x70c, 0x80c,12,12,12, 0xc0c, 8, 8, 8, 8, 8, 8, 8, 0xa08, 8,
- 8, 8, 0xd08, 8, 0x908, 8, 0xb08, 8, 8, 8, 8, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
-];
-
-enum CProperty
-{
-       Octal = 1,
-       Digit = 1<<1,
-         Hex = 1<<2,
-       Alpha = 1<<3,
-  Underscore = 1<<4,
-  Whitespace = 1<<5
-}
-
-const uint EVMask = 0xFF00; // Bit mask for escape value
-
-private alias CProperty CP;
-int isoctal(char c) { return ptable[c] & CP.Octal; }
-int isdigit(char c) { return ptable[c] & CP.Digit; }
-int ishexad(char c) { return ptable[c] & CP.Hex; }
-int isalpha(char c) { return ptable[c] & CP.Alpha; }
-int isalnum(char c) { return ptable[c] & (CP.Alpha | CP.Digit); }
-int isidbeg(char c) { return ptable[c] & (CP.Alpha | CP.Underscore); }
-int isident(char c) { return ptable[c] & (CP.Alpha | CP.Underscore | CP.Digit); }
-int isspace(char c) { return ptable[c] & CP.Whitespace; }
-int char2ev(char c) { return ptable[c] >> 8; /*(ptable[c] & EVMask) >> 8;*/ }
-
-version(gen_ptable)
-static this()
-{
-  alias ptable p;
-  // Initialize character properties table.
-  for (int i; i < p.length; ++i)
-  {
-    p[i] = 0;
-    if ('0' <= i && i <= '7')
-      p[i] |= CP.Octal;
-    if ('0' <= i && i <= '9')
-      p[i] |= CP.Digit;
-    if (isdigit(i) || 'a' <= i && i <= 'f' || 'A' <= i && i <= 'F')
-      p[i] |= CP.Hex;
-    if ('a' <= i && i <= 'z' || 'A' <= i && i <= 'Z')
-      p[i] |= CP.Alpha;
-    if (i == '_')
-      p[i] |= CP.Underscore;
-    if (i == ' ' || i == '\t' || i == '\v' || i == '\f')
-      p[i] |= CP.Whitespace;
-  }
-  // Store escape sequence values in second byte.
-  assert(CProperty.max <= ubyte.max, "character property flags and escape value byte overlap.");
-  p['\''] |= 39 << 8;
-  p['"'] |= 34 << 8;
-  p['?'] |= 63 << 8;
-  p['\\'] |= 92 << 8;
-  p['a'] |= 7 << 8;
-  p['b'] |= 8 << 8;
-  p['f'] |= 12 << 8;
-  p['n'] |= 10 << 8;
-  p['r'] |= 13 << 8;
-  p['t'] |= 9 << 8;
-  p['v'] |= 11 << 8;
-  // Print a formatted array literal.
-  char[] array = "[\n";
-  for (int i; i < p.length; ++i)
-  {
-    int c = p[i];
-    array ~= std.string.format(c>255?" 0x%x,":"%2d,", c, ((i+1) % 16) ? "":"\n");
-  }
-  array[$-2..$] = "\n]";
-  writefln(array);
-}
-
 const char[3] LS = \u2028;
 const char[3] PS = \u2029;
 
@@ -1195,3 +1107,91 @@
   foreach (i, t; tokens)
     assert(t.span == toks[i], std.string.format("Lexed '%s' but expected '%s'", t.span, toks[i]));
 }
+
+/// ASCII character properties table.
+static const int ptable[256] = [
+ 0, 0, 0, 0, 0, 0, 0, 0, 0,32, 0,32,32, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+32, 0, 0x2200, 0, 0, 0, 0, 0x2700, 0, 0, 0, 0, 0, 0, 0, 0,
+ 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 0, 0, 0, 0, 0, 0x3f00,
+ 0,12,12,12,12,12,12, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 0, 0x5c00, 0, 0,16,
+ 0, 0x70c, 0x80c,12,12,12, 0xc0c, 8, 8, 8, 8, 8, 8, 8, 0xa08, 8,
+ 8, 8, 0xd08, 8, 0x908, 8, 0xb08, 8, 8, 8, 8, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+];
+
+enum CProperty
+{
+       Octal = 1,
+       Digit = 1<<1,
+         Hex = 1<<2,
+       Alpha = 1<<3,
+  Underscore = 1<<4,
+  Whitespace = 1<<5
+}
+
+const uint EVMask = 0xFF00; // Bit mask for escape value
+
+private alias CProperty CP;
+int isoctal(char c) { return ptable[c] & CP.Octal; }
+int isdigit(char c) { return ptable[c] & CP.Digit; }
+int ishexad(char c) { return ptable[c] & CP.Hex; }
+int isalpha(char c) { return ptable[c] & CP.Alpha; }
+int isalnum(char c) { return ptable[c] & (CP.Alpha | CP.Digit); }
+int isidbeg(char c) { return ptable[c] & (CP.Alpha | CP.Underscore); }
+int isident(char c) { return ptable[c] & (CP.Alpha | CP.Underscore | CP.Digit); }
+int isspace(char c) { return ptable[c] & CP.Whitespace; }
+int char2ev(char c) { return ptable[c] >> 8; /*(ptable[c] & EVMask) >> 8;*/ }
+
+version(gen_ptable)
+static this()
+{
+  alias ptable p;
+  // Initialize character properties table.
+  for (int i; i < p.length; ++i)
+  {
+    p[i] = 0;
+    if ('0' <= i && i <= '7')
+      p[i] |= CP.Octal;
+    if ('0' <= i && i <= '9')
+      p[i] |= CP.Digit;
+    if (isdigit(i) || 'a' <= i && i <= 'f' || 'A' <= i && i <= 'F')
+      p[i] |= CP.Hex;
+    if ('a' <= i && i <= 'z' || 'A' <= i && i <= 'Z')
+      p[i] |= CP.Alpha;
+    if (i == '_')
+      p[i] |= CP.Underscore;
+    if (i == ' ' || i == '\t' || i == '\v' || i == '\f')
+      p[i] |= CP.Whitespace;
+  }
+  // Store escape sequence values in second byte.
+  assert(CProperty.max <= ubyte.max, "character property flags and escape value byte overlap.");
+  p['\''] |= 39 << 8;
+  p['"'] |= 34 << 8;
+  p['?'] |= 63 << 8;
+  p['\\'] |= 92 << 8;
+  p['a'] |= 7 << 8;
+  p['b'] |= 8 << 8;
+  p['f'] |= 12 << 8;
+  p['n'] |= 10 << 8;
+  p['r'] |= 13 << 8;
+  p['t'] |= 9 << 8;
+  p['v'] |= 11 << 8;
+  // Print a formatted array literal.
+  char[] array = "[\n";
+  for (int i; i < p.length; ++i)
+  {
+    int c = p[i];
+    array ~= std.string.format(c>255?" 0x%x,":"%2d,", c, ((i+1) % 16) ? "":"\n");
+  }
+  array[$-2..$] = "\n]";
+  writefln(array);
+}