add ascii char integer constants

src/duk_unicode.h

@@ -5,16 +5,168 @@
 #ifndef DUK_UNICODE_H_INCLUDED
 #define DUK_UNICODE_H_INCLUDED
 
+/*
+ *  UTF-8 / XUTF-8 / CESU-8 constants
+ */
+
 #define DUK_UNICODE_MAX_XUTF8_LENGTH   7   /* up to 36 bit codepoints */
 #define DUK_UNICODE_MAX_CESU8_LENGTH   6   /* all codepoints up to U+10FFFF */
 
-/* A few useful codepoints.  Integer constants must be signed to avoid
+/*
- * unexpected coercions in comparisons.
+ *  Useful Unicode codepoints
+ *
+ *  Integer constants must be signed to avoid unexpected coercions
+ *  in comparisons.
  */
+
 #define DUK_UNICODE_CP_ZWNJ                   0x200cL  /* zero-width non-joiner */
 #define DUK_UNICODE_CP_ZWJ                    0x200dL  /* zero-width joiner */
 #define DUK_UNICODE_CP_REPLACEMENT_CHARACTER  0xfffdL  /* http://en.wikipedia.org/wiki/Replacement_character#Replacement_character */
 
+/*
+ *  ASCII character constants
+ *
+ *  C character literals like 'x' have a platform specific value and do
+ *  not match ASCII (UTF-8) values on e.g. EBCDIC platforms.  So, use
+ *  these (admittedly awkward) constants instead.  These constants must
+ *  also have signed values to avoid unexpected coercions in comparisons.
+ *
+ *  http://en.wikipedia.org/wiki/ASCII
+ */
+
+#define DUK_ASC_NUL              0x00
+#define DUK_ASC_SOH              0x01
+#define DUK_ASC_STX              0x02
+#define DUK_ASC_ETX              0x03
+#define DUK_ASC_EOT              0x04
+#define DUK_ASC_ENQ              0x05
+#define DUK_ASC_ACK              0x06
+#define DUK_ASC_BEL              0x07
+#define DUK_ASC_BS               0x08
+#define DUK_ASC_HT               0x09
+#define DUK_ASC_LF               0x0a
+#define DUK_ASC_VT               0x0b
+#define DUK_ASC_FF               0x0c
+#define DUK_ASC_CR               0x0d
+#define DUK_ASC_SO               0x0e
+#define DUK_ASC_SI               0x0f
+#define DUK_ASC_DLE              0x10
+#define DUK_ASC_DC1              0x11
+#define DUK_ASC_DC2              0x12
+#define DUK_ASC_DC3              0x13
+#define DUK_ASC_DC4              0x14
+#define DUK_ASC_NAK              0x15
+#define DUK_ASC_SYN              0x16
+#define DUK_ASC_ETB              0x17
+#define DUK_ASC_CAN              0x18
+#define DUK_ASC_EM               0x19
+#define DUK_ASC_SUB              0x1a
+#define DUK_ASC_ESC              0x1b
+#define DUK_ASC_FS               0x1c
+#define DUK_ASC_GS               0x1d
+#define DUK_ASC_RS               0x1e
+#define DUK_ASC_US               0x1f
+#define DUK_ASC_SPACE            0x20
+#define DUK_ASC_EXCLAMATION      0x21
+#define DUK_ASC_DOUBLEQUOTE      0x22
+#define DUK_ASC_HASH             0x23
+#define DUK_ASC_DOLLAR           0x24
+#define DUK_ASC_PERCENT          0x25
+#define DUK_ASC_AMP              0x26
+#define DUK_ASC_SINGLEQUOTE      0x27
+#define DUK_ASC_LPAREN           0x28
+#define DUK_ASC_RPAREN           0x29
+#define DUK_ASC_STAR             0x2a
+#define DUK_ASC_PLUS             0x2b
+#define DUK_ASC_COMMA            0x2c
+#define DUK_ASC_MINUS            0x2d
+#define DUK_ASC_PERIOD           0x2e
+#define DUK_ASC_SLASH            0x2f
+#define DUK_ASC_0                0x30
+#define DUK_ASC_1                0x31
+#define DUK_ASC_2                0x32
+#define DUK_ASC_3                0x33
+#define DUK_ASC_4                0x34
+#define DUK_ASC_5                0x35
+#define DUK_ASC_6                0x36
+#define DUK_ASC_7                0x37
+#define DUK_ASC_8                0x38
+#define DUK_ASC_9                0x39
+#define DUK_ASC_COLON            0x3a
+#define DUK_ASC_SEMICOLON        0x3b
+#define DUK_ASC_LANGLE           0x3c
+#define DUK_ASC_EQUALS           0x3d
+#define DUK_ASC_RANGLE           0x3e
+#define DUK_ASC_QUESTION         0x3f
+#define DUK_ASC_ATSIGN           0x40
+#define DUK_ASC_UC_A             0x41
+#define DUK_ASC_UC_B             0x42
+#define DUK_ASC_UC_C             0x43
+#define DUK_ASC_UC_D             0x44
+#define DUK_ASC_UC_E             0x45
+#define DUK_ASC_UC_F             0x46
+#define DUK_ASC_UC_G             0x47
+#define DUK_ASC_UC_H             0x48
+#define DUK_ASC_UC_I             0x49
+#define DUK_ASC_UC_J             0x4a
+#define DUK_ASC_UC_K             0x4b
+#define DUK_ASC_UC_L             0x4c
+#define DUK_ASC_UC_M             0x4d
+#define DUK_ASC_UC_N             0x4e
+#define DUK_ASC_UC_O             0x4f
+#define DUK_ASC_UC_P             0x50
+#define DUK_ASC_UC_Q             0x51
+#define DUK_ASC_UC_R             0x52
+#define DUK_ASC_UC_S             0x53
+#define DUK_ASC_UC_T             0x54
+#define DUK_ASC_UC_U             0x55
+#define DUK_ASC_UC_V             0x56
+#define DUK_ASC_UC_W             0x57
+#define DUK_ASC_UC_X             0x58
+#define DUK_ASC_UC_Y             0x59
+#define DUK_ASC_UC_Z             0x5a
+#define DUK_ASC_LBRACKET         0x5b
+#define DUK_ASC_BACKSLASH        0x5c
+#define DUK_ASC_RBRACKET         0x5d
+#define DUK_ASC_CARET            0x5e
+#define DUK_ASC_UNDERSCORE       0x5f
+#define DUK_ASC_GRAVE            0x60
+#define DUK_ASC_LC_A             0x61
+#define DUK_ASC_LC_B             0x62
+#define DUK_ASC_LC_C             0x63
+#define DUK_ASC_LC_D             0x64
+#define DUK_ASC_LC_E             0x65
+#define DUK_ASC_LC_F             0x66
+#define DUK_ASC_LC_G             0x67
+#define DUK_ASC_LC_H             0x68
+#define DUK_ASC_LC_I             0x69
+#define DUK_ASC_LC_J             0x6a
+#define DUK_ASC_LC_K             0x6b
+#define DUK_ASC_LC_L             0x6c
+#define DUK_ASC_LC_M             0x6d
+#define DUK_ASC_LC_N             0x6e
+#define DUK_ASC_LC_O             0x6f
+#define DUK_ASC_LC_P             0x70
+#define DUK_ASC_LC_Q             0x71
+#define DUK_ASC_LC_R             0x72
+#define DUK_ASC_LC_S             0x73
+#define DUK_ASC_LC_T             0x74
+#define DUK_ASC_LC_U             0x75
+#define DUK_ASC_LC_V             0x76
+#define DUK_ASC_LC_W             0x77
+#define DUK_ASC_LC_X             0x78
+#define DUK_ASC_LC_Y             0x79
+#define DUK_ASC_LC_Z             0x7a
+#define DUK_ASC_LCURLY           0x7b
+#define DUK_ASC_PIPE             0x7c
+#define DUK_ASC_RCURLY           0x7d
+#define DUK_ASC_TILDE            0x7e
+#define DUK_ASC_DEL              0x7f
+
+/*
+ *  Unicode tables
+ */
+
 #ifdef DUK_USE_SOURCE_NONBMP
 #include "duk_unicode_ids_noa.h"
 #else