PART 15: The command codes

枚举
enum	CatCode {   ESCAPE , LEFT_BRACE , RIGHT_BRACE , MATH_SHIFT ,   TAB_MARK , CAR_RET = 5 , MAC_PARAM , SUP_MARK ,   SUB_MARK , IGNORE , SPACER = 10 , LETTER ,   OTHER_CHAR , ACTIVE_CHAR , COMMENT , INVALID_CHAR = 15 }
	[#207]: 更多...
enum	TexCommandCode {   RELAX = ESCAPE , OUT_PARAM = CAR_RET , ENDV = IGNORE , PAR_END = ACTIVE_CHAR ,   MATCH = ACTIVE_CHAR , END_MATCH = COMMENT , STOP = COMMENT , DELIM_NUM = INVALID_CHAR ,   MAX_CHAR_CODE = INVALID_CHAR , CHAR_NUM = 16 , MATH_CHAR_NUM , MARK ,   XRAY , MAKE_BOX , HMOVE = 21 , VMOVE ,   UN_HBOX , UN_VBOX , REMOVE_ITEM , HSKIP = 26 ,   VSKIP , MSKIP , KERN , MKERN ,   LEADER_SHIP = 31 , HALIGN , VALIGN , NO_ALIGN ,   VRULE , HRULE = 36 , INSERT , VADJUST ,   IGNORE_SPACES , AFTER_ASSIGNMENT , AFTER_GROUP = 41 , BREAK_PENALTY ,   START_PAR , ITAL_CORR , ACCENT , MATH_ACCENT = 46 ,   DISCRETIONARY , EQ_NO , LEFT_RIGHT , MATH_COMP ,   LIMIT_SWITCH = 51 , ABOVE , MATH_STYLE , MATH_CHOICE ,   NON_SCRIPT , VCENTER = 56 , CASE_SHIFT , MESSAGE ,   EXTENSION , IN_STREAM , BEGIN_GROUP = 61 , END_GROUP ,   OMIT , EX_SPACE , NO_BOUNDARY , RADICAL = 66 ,   END_CS_NAME = 67 , MIN_INTERNAL = 68 , CHAR_GIVEN = 68 , MATH_GIVEN = 69 ,   LAST_ITEM = 70 , MAX_NON_PREFIXED_COMMAND = 70 , TOKS_REGISTER = 71 , ASSIGN_TOKS ,   ASSIGN_INT , ASSIGN_DIMEN , ASSIGN_GLUE , ASSIGN_MU_GLUE = 76 ,   ASSIGN_FONT_DIMEN , ASSIGN_FONT_INT , SET_AUX , SET_PREV_GRAF ,   SET_PAGE_DIMEN = 81 , SET_PAGE_INT , SET_BOX_DIMEN , SET_SHAPE ,   DEF_CODE , DEF_FAMILY = 86 , SET_FONT , DEF_FONT ,   REGISTER = 89 , MAX_INTERNAL = 89 , ADVANCE , MULTIPLY = 91 ,   DIVIDE , PREFIX , LET , SHORTHAND_DEF ,   READ_TO_CS = 96 , DEF , SET_BOX , HYPH_DATA ,   SET_INTERACTION = 100 , MAX_COMMAND = 100 , UNDEFINED_CS = 101 , EXPAND_AFTER ,   NO_EXPAND , INPUT , IF_TEST , FI_OR_ELSE = 106 ,   CS_NAME , CONVERT , THE , TOP_BOT_MARK ,   CALL = 111 , LONG_CALL , OUTER_CALL , LONG_OUTER_CALL ,   END_TEMPLATE , DONT_EXPAND = 116 , GLUE_REF , SHAPE_REF ,   BOX_REF , DATA }
	[#208] 更多...

详细描述

枚举类型说明

CatCode

enum CatCode

[#207]:

枚举值
ESCAPE	[#207] [\\] escape delimiter.
LEFT_BRACE	[#207] [{] beginning of a group.
RIGHT_BRACE	[#207] [}] ending of a group.
MATH_SHIFT	[#207] [$] mathematics shift character.
TAB_MARK	[#207] [& | \span] alignment delimiter.
CAR_RET	[#207] [\r | \cr | \crcr] end of line.
MAC_PARAM	[#207] [#] macro parameter symbol.
SUP_MARK	[#207] [^] superscript.
SUB_MARK	[#207] [_] subscript.
IGNORE	[#207] [\0 | ^^@] characters to ignore.
SPACER	[#207] [ | \t] characters equivalent to blank space.
LETTER	[#207] [A-Za-z] characters regarded as letters.
OTHER_CHAR	[#207] none of the special character types.
ACTIVE_CHAR	[#207] [~] characters that invoke macros.
COMMENT	[#207] [%] characters that introduce comments.
INVALID_CHAR	[#207] [\127 | ^^?] characters that shouldn't appear.

TexCommandCode

enum TexCommandCode

[#208]

枚举值
RELAX	[#207] [\relax] do nothing.
OUT_PARAM	[#207] output a macro parameter.
ENDV	[#207] end of <v_j> list in alignment template.
PAR_END	[#207] [\par] end of paragraph.
MATCH	[#207] match a macro parameter.
END_MATCH	[#207] end of parameters to macro.
STOP	[#207] [\end | \dump] end of job.
DELIM_NUM	[#207] [\delimiter] specify delimiter numerically.
MAX_CHAR_CODE	[#207] largest catcode for individual characters.
CHAR_NUM	[#208] [\char] character specified numerically.
MATH_CHAR_NUM	[#208] [\mathchar] explicit math code.
MARK	[#208] [\mark] mark definition.
XRAY	[#208] [\show, \showbox, ...] peek inside of TEX.
MAKE_BOX	[#208] [\box, \copy, \hbox, ...] make a box.
HMOVE	[#208] [\moveleft, \moveright] horizontal motion.
VMOVE	[#208] [\raise, \lower] vertical motion.
UN_HBOX	[#208] [\unhbox, \unhcopy] unglue a box.
UN_VBOX	[#208] [\unvbox, \unvcopy] unglue a box.
REMOVE_ITEM	[#208] [\unpenalty, \unkern, \unskip] nullify last item.
HSKIP	[#208] [\hskip, \hfil, ...] horizontal glue.
VSKIP	[#208] [\vskip, \vfil, ...] vertical glue.
MSKIP	[#208] [\mskip] math glue.
KERN	[#208] [\kern] fixed space.
MKERN	[#208] [\mkern] math kern.
LEADER_SHIP	[#208] [\shipout, \leaders, ...] use a box.
HALIGN	[#208] [\halign] horizontal table alignment.
VALIGN	[#208] [\valign] vertical table alignment.
NO_ALIGN	[#208] [\noalign] temporary escape from alignment.
VRULE	[#208] [\vrule] vertical rule.
HRULE	[#208] [\hrule] horizontal rule.
INSERT	[#208] [\insert] vlist inserted in box.
VADJUST	[#208] [\vadjust] vlist inserted in enclosing paragraph.
IGNORE_SPACES	[#208] [\ignorespaces] gobble SPACER tokens.
AFTER_ASSIGNMENT	[#208] [\afterassignment] save till assignment is done.
AFTER_GROUP	[#208] [\aftergroup] save till group is done.
BREAK_PENALTY	[#208] [\penalty] additional badness.
START_PAR	[#208] [\indent, \noindent] begin paragraph.
ITAL_CORR	[#208] [\/] italic correction.
ACCENT	[#208] [\accent] attach accent in text.
MATH_ACCENT	[#208] [\mathaccent] attach accent in math.
DISCRETIONARY	[#208] [\−, \discretionary] discretionary texts.
EQ_NO	[#208] [\eqno, \leqno] equation number.
LEFT_RIGHT	[#208] [\left, \right] variable delimiter.
MATH_COMP	[#208] [\mathbin,...] component of formula.
LIMIT_SWITCH	[#208] [\displaylimits,...] diddle limit conventions.
ABOVE	[#208] [\above, \atop,...] generalized fraction.
MATH_STYLE	[#208] [\displaystyle, ...] style specification.
MATH_CHOICE	[#208] [\mathchoice] choice specification.
NON_SCRIPT	[#208] [\nonscript] conditional math glue.
VCENTER	[#208] [\vcenter] vertically center a vbox.
CASE_SHIFT	[#208] [\lowercase, \uppercase] force specific case.
MESSAGE	[#208] [\message, \errmessage] send to user.
EXTENSION	[#208] [\write, \special,...] extensions to TEX.
IN_STREAM	[#208] [\openin, \closein] files for reading.
BEGIN_GROUP	[#208] [\begingroup] begin local grouping.
END_GROUP	[#208] [\endgroup] end local grouping.
OMIT	[#208] [\omit] omit alignment template.
EX_SPACE	[#208] [\] explicit space.
NO_BOUNDARY	[#208] [\noboundary] suppress boundary ligatures.
RADICAL	[#208] [\radical] square root and similar signs.
END_CS_NAME	[#208] [\endcsname] end control sequence.
MIN_INTERNAL	[#208] the smallest code that can follow \the.
CHAR_GIVEN	[#208] character code defined by \chardef.
MATH_GIVEN	[#208] math code defined by \mathchardef.
LAST_ITEM	[#208] [\lastpenalty, \lastker, \lastskip] most recent item.
MAX_NON_PREFIXED_COMMAND	[#208] largest command code that can’t be \global.
TOKS_REGISTER	[#209] [\toks] token list register.
ASSIGN_TOKS	[#209] [\output, \everypar,...] special token list.
ASSIGN_INT	[#209] [\tolerance, \day,...] user-defined integer.
ASSIGN_DIMEN	[#209] [\hsize,...] user-defined length.
ASSIGN_GLUE	[#209] [\baselineskip,...] user-defined glue.
ASSIGN_MU_GLUE	[#209] [\thinmuskip,...] user-defined muglue.
ASSIGN_FONT_DIMEN	[#209] [\fontdimen] user-defined font dimension.
ASSIGN_FONT_INT	[#209] [\hyphenchar, \skewchar] user-defined font integer.
SET_AUX	[#209] [\spacefactor, \prevdepth] specify state info.
SET_PREV_GRAF	[#209] [\prevgraf] specify state info.
SET_PAGE_DIMEN	[#209] [\pagegoal,...] specify state info.
SET_PAGE_INT	[#209] [\deadcycles, \insertpenalties] specify state info.
SET_BOX_DIMEN	[#209] [\wd, \ht, \dp] change dimension of box.
SET_SHAPE	[#209] [\parshape] specify fancy paragraph shape.
DEF_CODE	[#209] [\catcode,...] define a character code.
DEF_FAMILY	[#209] [\textfont,] declare math fonts.
SET_FONT	[#209] set current font ( font identifiers ).
DEF_FONT	[#209] [\font] define a font file.
REGISTER	[#209] [\count, \dimen,] internal register.
MAX_INTERNAL	[#209] the largest code that can follow \the.
ADVANCE	[#209] [\advance] ADVANCE a register or parameter.
MULTIPLY	[#209] [\multiply] multiply a register or parameter.
DIVIDE	[#209] [\divide] divide a register or parameter.
PREFIX	[#209] [\global, \long, \outer] qualify a definition.
LET	[#209] [\let, \futurelet] assign a command code.
SHORTHAND_DEF	[#209] [\chardef, \countdef,...] code definition.
READ_TO_CS	[#209] [\read] read into a control sequence.
DEF	[#209] [\def, \gdef, \xdef, \edef] macro definition.
SET_BOX	[#209] [\setbox] set a box.
HYPH_DATA	[#209] [\hyphenation, \patterns] hyphenation data.
SET_INTERACTION	[#209] [\batchmode,...] define level of interaction.
MAX_COMMAND	[#209] the largest command code seen at big switch.
UNDEFINED_CS	[#210] initial state of most eq_type fields.
EXPAND_AFTER	[#210] [\expandafter] special expansion.
NO_EXPAND	[#210] \noexpand[] special nonexpansion.
INPUT	[#210] [\input, \endinput] input a source file.
IF_TEST	[#210] [\if, \ifcase,] conditional text.
FI_OR_ELSE	[#210] [\else,...] delimiters for conditionals.
CS_NAME	[#210] [\csname] make a control sequence from tokens.
CONVERT	[#210] [\number, \string,...] convert to text.
THE	[#210] [\the] expand an internal quantity.
TOP_BOT_MARK	[#210] [\topmark,...] inserted mark.
CALL	[#210] non-long, non-outer control sequence.
LONG_CALL	[#210] long, non-outer control sequence.
OUTER_CALL	[#210] non-long, outer control sequence.
LONG_OUTER_CALL	[#210] long, outer control sequence.
END_TEMPLATE	[#210] end of an alignment template.
DONT_EXPAND	[#210] the following token was marked by \noexpand.
GLUE_REF	[#210] the equivalent points to a glue specification.
SHAPE_REF	[#210] the equivalent points to a parshape specification.
BOX_REF	[#210] the equivalent points to a box node, or is null.
DATA	[#210] the equivalent is simply a halfword number.