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ICU-8972 document how preparseucd.py parses ICU header file constants (uchar.h & uscript.h) (reads/needs less information than preparse.pl needed)

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X-SVN-Rev: 31170
This commit is contained in:
Markus Scherer 2011-12-23 04:20:35 +00:00
parent 64064a7cf2
commit d109686c14
2 changed files with 99 additions and 30 deletions
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122
icu4c/source/common/unicode/uchar.h
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@ -139,20 +139,6 @@ U_CDECL_BEGIN
*/
#define U_MASK(x) ((uint32_t)1<<(x))
/*
* TODO: update
* !! Note: Several comments in this file are machine-read by the
* genpname tool. These comments describe the correspondence between
* icu enum constants and UCD entities. Do not delete them. Update
* these comments as needed.
*
* Any comment of the form "/ *[name]* /" (spaces added) is such
* a comment.
*
* The U_JG_* and U_GC_*_MASK constants are matched by their symbolic
* name, which must match PropertyValueAliases.txt.
*/
/**
* Selection constants for Unicode properties.
* These constants are used in functions like u_hasBinaryProperty to select
@ -173,10 +159,11 @@ U_CDECL_BEGIN
* @stable ICU 2.1
*/
typedef enum UProperty {
/* TODO: update
See note !!. Comments of the form "Binary property Dash",
"Enumerated property Script", "Double property Numeric_Value",
and "String property Age" are read by genpname. */
/*
* Note: UProperty constants are parsed by preparseucd.py.
* It matches lines like
* UCHAR_<Unicode property name>=<integer>,
*/
/* Note: Place UCHAR_ALPHABETIC before UCHAR_BINARY_START so that
debuggers display UCHAR_ALPHABETIC as the symbolic name for 0,
@ -591,7 +578,12 @@ typedef enum UProperty {
*/
typedef enum UCharCategory
{
/** See note !!. Comments of the form "Cn" are read by genpname. */
/*
* Note: UCharCategory constants and their API comments are parsed by preparseucd.py.
* It matches pairs of lines like
* / ** <Unicode 2-letter General_Category value> comment... * /
* U_<[A-Z_]+> = <integer>,
*/
/** Non-category for unassigned and non-character code points. @stable ICU 2.0 */
U_UNASSIGNED = 0,
@ -776,7 +768,12 @@ typedef enum UCharCategory
* @stable ICU 2.0
*/
typedef enum UCharDirection {
/** See note !!. Comments of the form "EN" are read by genpname. */
/*
* Note: UCharDirection constants and their API comments are parsed by preparseucd.py.
* It matches pairs of lines like
* / ** <Unicode 1..3-letter Bidi_Class value> comment... * /
* U_<[A-Z_]+> = <integer>,
*/
/** L @stable ICU 2.0 */
U_LEFT_TO_RIGHT = 0,
@ -825,12 +822,17 @@ typedef enum UCharDirection {
* @stable ICU 2.0
*/
enum UBlockCode {
/*
* Note: UBlockCode constants are parsed by preparseucd.py.
* It matches lines like
* UBLOCK_<Unicode Block value name> = <integer>,
*/
/** New No_Block value in Unicode 4. @stable ICU 2.6 */
UBLOCK_NO_BLOCK = 0, /*[none]*/ /* Special range indicating No_Block */
/** @stable ICU 2.0 */
UBLOCK_BASIC_LATIN = 1, /*[0000]*/ /*See note !!*/
UBLOCK_BASIC_LATIN = 1, /*[0000]*/
/** @stable ICU 2.0 */
UBLOCK_LATIN_1_SUPPLEMENT=2, /*[0080]*/
@ -1430,7 +1432,13 @@ typedef enum UBlockCode UBlockCode;
* @stable ICU 2.2
*/
typedef enum UEastAsianWidth {
U_EA_NEUTRAL, /*[N]*/ /*See note !!*/
/*
* Note: UEastAsianWidth constants are parsed by preparseucd.py.
* It matches lines like
* U_EA_<Unicode East_Asian_Width value name>
*/
U_EA_NEUTRAL, /*[N]*/
U_EA_AMBIGUOUS, /*[A]*/
U_EA_HALFWIDTH, /*[H]*/
U_EA_FULLWIDTH, /*[F]*/
@ -1493,7 +1501,13 @@ typedef enum UPropertyNameChoice {
* @stable ICU 2.2
*/
typedef enum UDecompositionType {
U_DT_NONE, /*[none]*/ /*See note !!*/
/*
* Note: UDecompositionType constants are parsed by preparseucd.py.
* It matches lines like
* U_DT_<Unicode Decomposition_Type value name>
*/
U_DT_NONE, /*[none]*/
U_DT_CANONICAL, /*[can]*/
U_DT_COMPAT, /*[com]*/
U_DT_CIRCLE, /*[enc]*/
@ -1521,7 +1535,13 @@ typedef enum UDecompositionType {
* @stable ICU 2.2
*/
typedef enum UJoiningType {
U_JT_NON_JOINING, /*[U]*/ /*See note !!*/
/*
* Note: UJoiningType constants are parsed by preparseucd.py.
* It matches lines like
* U_JT_<Unicode Joining_Type value name>
*/
U_JT_NON_JOINING, /*[U]*/
U_JT_JOIN_CAUSING, /*[C]*/
U_JT_DUAL_JOINING, /*[D]*/
U_JT_LEFT_JOINING, /*[L]*/
@ -1537,6 +1557,12 @@ typedef enum UJoiningType {
* @stable ICU 2.2
*/
typedef enum UJoiningGroup {
/*
* Note: UJoiningGroup constants are parsed by preparseucd.py.
* It matches lines like
* U_JG_<Unicode Joining_Group value name>
*/
U_JG_NO_JOINING_GROUP,
U_JG_AIN,
U_JG_ALAPH,
@ -1606,7 +1632,13 @@ typedef enum UJoiningGroup {
* @stable ICU 3.4
*/
typedef enum UGraphemeClusterBreak {
U_GCB_OTHER = 0, /*[XX]*/ /*See note !!*/
/*
* Note: UGraphemeClusterBreak constants are parsed by preparseucd.py.
* It matches lines like
* U_GCB_<Unicode Grapheme_Cluster_Break value name>
*/
U_GCB_OTHER = 0, /*[XX]*/
U_GCB_CONTROL = 1, /*[CN]*/
U_GCB_CR = 2, /*[CR]*/
U_GCB_EXTEND = 3, /*[EX]*/
@ -1629,7 +1661,13 @@ typedef enum UGraphemeClusterBreak {
* @stable ICU 3.4
*/
typedef enum UWordBreakValues {
U_WB_OTHER = 0, /*[XX]*/ /*See note !!*/
/*
* Note: UWordBreakValues constants are parsed by preparseucd.py.
* It matches lines like
* U_WB_<Unicode Word_Break value name>
*/
U_WB_OTHER = 0, /*[XX]*/
U_WB_ALETTER = 1, /*[LE]*/
U_WB_FORMAT = 2, /*[FO]*/
U_WB_KATAKANA = 3, /*[KA]*/
@ -1652,7 +1690,13 @@ typedef enum UWordBreakValues {
* @stable ICU 3.4
*/
typedef enum USentenceBreak {
U_SB_OTHER = 0, /*[XX]*/ /*See note !!*/
/*
* Note: USentenceBreak constants are parsed by preparseucd.py.
* It matches lines like
* U_SB_<Unicode Sentence_Break value name>
*/
U_SB_OTHER = 0, /*[XX]*/
U_SB_ATERM = 1, /*[AT]*/
U_SB_CLOSE = 2, /*[CL]*/
U_SB_FORMAT = 3, /*[FO]*/
@ -1677,7 +1721,13 @@ typedef enum USentenceBreak {
* @stable ICU 2.2
*/
typedef enum ULineBreak {
U_LB_UNKNOWN = 0, /*[XX]*/ /*See note !!*/
/*
* Note: ULineBreak constants are parsed by preparseucd.py.
* It matches lines like
* U_LB_<Unicode Line_Break value name>
*/
U_LB_UNKNOWN = 0, /*[XX]*/
U_LB_AMBIGUOUS = 1, /*[AI]*/
U_LB_ALPHABETIC = 2, /*[AL]*/
U_LB_BREAK_BOTH = 3, /*[B2]*/
@ -1728,7 +1778,13 @@ typedef enum ULineBreak {
* @stable ICU 2.2
*/
typedef enum UNumericType {
U_NT_NONE, /*[None]*/ /*See note !!*/
/*
* Note: UNumericType constants are parsed by preparseucd.py.
* It matches lines like
* U_NT_<Unicode Numeric_Type value name>
*/
U_NT_NONE, /*[None]*/
U_NT_DECIMAL, /*[de]*/
U_NT_DIGIT, /*[di]*/
U_NT_NUMERIC, /*[nu]*/
@ -1742,7 +1798,13 @@ typedef enum UNumericType {
* @stable ICU 2.6
*/
typedef enum UHangulSyllableType {
U_HST_NOT_APPLICABLE, /*[NA]*/ /*See note !!*/
/*
* Note: UHangulSyllableType constants are parsed by preparseucd.py.
* It matches lines like
* U_HST_<Unicode Hangul_Syllable_Type value name>
*/
U_HST_NOT_APPLICABLE, /*[NA]*/
U_HST_LEADING_JAMO, /*[L]*/
U_HST_VOWEL_JAMO, /*[V]*/
U_HST_TRAILING_JAMO, /*[T]*/

7
icu4c/source/common/unicode/uscript.h
View File

@ -44,6 +44,13 @@
* @stable ICU 2.2
*/
typedef enum UScriptCode {
/*
* Note: UScriptCode constants and their ISO script code comments
* are parsed by preparseucd.py.
* It matches lines like
* USCRIPT_<Unicode Script value name> = <integer>, / * <ISO script code> * /
*/
/** @stable ICU 2.2 */
USCRIPT_INVALID_CODE = -1,
/** @stable ICU 2.2 */