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1.9.1
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TeX in C
Explore TeX with modern c compiler.
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宏定义 | |
| #define | INC_BOX_H |
| Box related. 更多... | |
| #define | type(x) (mem[(x)].hh.UU.U2.b0) |
| [p50#133] -> QuarterWord; identifies what kind of node this is. 更多... | |
| #define | subtype(x) (mem[(x)].hh.UU.U2.b1) |
| [p50#133] -> QuarterWord; secondary identification in some cases. 更多... | |
| #define | is_char_node(x) ((x) >= hi_mem_min) |
| [p50#134] does the argument point to a char node? 更多... | |
| #define | font(x) link(x + 1) |
[50#134] -> HalfWord; the font code in a charnode. 更多... | |
| #define | character(x) subtype(x) |
[50#134] -> QuarterWord; the character code in a charnode. 更多... | |
| #define | CHAR_NODE_SIZE 2 |
| #define | font_ligchar(x) type(ligchar(x)) |
| #define | character_ligchar(x) subtype(ligchar(x)) |
| #define | boxnodesize 7 |
| [p51#135] number of words to allocate for a box node. 更多... | |
| #define | widthoffset 1 |
| [p51#135] position of width field in a box node. 更多... | |
| #define | depthoffset 2 |
| [p51#135] position of depth field in a box node. 更多... | |
| #define | heightoffset 3 |
| [p51#135] position of height field in a box node. 更多... | |
| #define | width(x) mem[x + widthoffset].sc |
| [p51#135] width of the box, in sp. 更多... | |
| #define | depth(x) mem[x + depthoffset].sc |
| [p51#135] depth of the box, in sp. 更多... | |
| #define | height(x) mem[x + heightoffset].sc |
| [p51#135] height of the box, in sp. 更多... | |
| #define | shiftamount(x) mem[x + 4].sc |
| [p51#135] repositioning distance, in sp. 更多... | |
| #define | listoffset 5 |
| [p51#135] position of list ptr field in a box node. 更多... | |
| #define | listptr(x) link(x + listoffset) |
| [p51#135] beginning of the list inside the box. 更多... | |
| #define | glueorder(x) subtype(x + listoffset) |
| [p51#135] applicable order of INFINITY. 更多... | |
| #define | gluesign(x) type(x + listoffset) |
| [p51#135] stretching or shrinking. 更多... | |
| #define | NORMAL 0 |
| [p51#135] the most common case when several cases are named. 更多... | |
| #define | stretching 1 |
| [p51#135] glue setting applies to the stretch components. 更多... | |
| #define | shrinking 2 |
| [p51#135] glue setting applies to the shrink components. 更多... | |
| #define | glueoffset 6 |
| [p51#135] position of glueset in a box node. 更多... | |
| #define | glueset(x) mem[x + glueoffset].gr |
| [p51#135] a word of type |glueratio| for glue setting. 更多... | |
| #define | rulenodesize 4 |
| [#138]: number of words to allocate for a rule node 更多... | |
| #define | nullflag (-1073741824L) |
| [#138]: -(2^30) signifies a missing item 更多... | |
| #define | isrunning(x) ((x) == nullflag) |
| [p51#138] tests for a running dimension. 更多... | |
| #define | insnodesize 5 |
| [p52#140]: number of words to allocate for an insertion 更多... | |
| #define | floatcost(x) mem[x + 1].int_ |
| [p52#140] the |floatingpenalty| to be used. 更多... | |
| #define | insptr(x) info(x + 4) |
| [p52#140] the vertical list to be inserted. 更多... | |
| #define | splittopptr(x) link(x + 4) |
| [p52#140] the |splittopskip| to be used. 更多... | |
| #define | smallnodesize 2 |
| [#141]: number of words to allocate for most node types 更多... | |
| #define | markptr(x) mem[x + 1].int_ |
| [p52#141] head of the token list for a mark. 更多... | |
| #define | adjustptr markptr |
| [p52#142] vertical list to be moved out of horizontal list. 更多... | |
| #define | ligchar(x) ((x) + 1) |
| [p52#143] the word where the ligature is to be found. 更多... | |
| #define | ligptr(x) link(ligchar(x)) |
| [p52#143] the list of characters. 更多... | |
| #define | replacecount subtype |
| [p53#145] how many subsequent nodes to replace. 更多... | |
| #define | prebreak llink |
| [p53#145] text that precedes a discretionary break. 更多... | |
| #define | postbreak rlink |
| [p53#145] text that follows a discretionary break. 更多... | |
| #define | before 0 |
| [#147]: subtype for math node that introduces a formula 更多... | |
| #define | after 1 |
| [#147]: subtype for math node that winds up a formula 更多... | |
| #define | precedesbreak(x) (type(x) < MATH_NODE) |
| [p54#148] 更多... | |
| #define | nondiscardable(x) (type(x) < MATH_NODE) |
| [p54#148] 更多... | |
| #define | condmathglue 98 |
| [p54#149] special subtype to suppress glue in the next node. 更多... | |
| #define | muglue 99 |
| [p54#149] subtype for math glue. 更多... | |
| #define | aleaders 100 |
| [p54#149] subtype for aligned leaders. 更多... | |
| #define | cleaders 101 |
| [p54#149] subtype for centered leaders. 更多... | |
| #define | xleaders 102 |
| [p54#149] subtype for expanded leaders. 更多... | |
| #define | glueptr llink |
| [p54#149] pointer to a glue specification. 更多... | |
| #define | leaderptr rlink |
| [p54#149] pointer to box or rule node for leaders. 更多... | |
| #define | gluespecsize 4 |
| [#150]: number of words to allocate for a glue specification 更多... | |
| #define | gluerefcount(x) link(x) |
| [p55#150] reference count of a glue specification. 更多... | |
| #define | stretch(x) mem[x + 2].sc |
| [p55#150] the stretchability of this glob of glue. 更多... | |
| #define | shrink(x) mem[x + 3].sc |
| [p55#150] the shrinkability of this glob of glue. 更多... | |
| #define | stretchorder(x) type(x) |
| [p55#150] order of INFINITY for stretching. 更多... | |
| #define | shrinkorder(x) subtype(x) |
| [p55#150] order of INFINITY for shrinking. 更多... | |
| #define | explicit 1 |
[#155]: subtype of kern nodes from \kern and \/ 更多... | |
| #define | acckern 2 |
| [#155]: subtype of kern nodes from accents 更多... | |
| #define | INF_PENALTY INF_BAD |
| [#157]: "infinite" penalty value 更多... | |
| #define | EJECT_PENALTY (-INF_PENALTY) |
| [#157]: "negatively infinite penalty value 更多... | |
| #define | penalty(x) mem[x + 1].int_ |
| [p56#157] the added cost of breaking a list here. 更多... | |
| #define | gluestretch(x) mem[x + glueoffset].sc |
| [p57#159] total stretch in an unset node. 更多... | |
| #define | glueshrink shiftamount |
| [p57#159] total shrink in an unset node. 更多... | |
| #define | spancount subtype |
| [p57#159] indicates the number of spanned columns. 更多... | |
| #define | nodelistdisplay(x) (append_char('.'), shownodelist(x), flush_char()) |
| [p64#180] str_room need not be checked; see showbox 更多... | |
| #define | tokenrefcount(x) info(x) |
| #define | addtokenref(x) (tokenrefcount(x)++) |
| [#203] new reference to a token list. 更多... | |
| #define | addglueref(x) (gluerefcount(x)++) |
| [#203] new reference to a glue spec. 更多... | |
枚举 | |
| enum | NodeType { HLIST_NODE , VLIST_NODE , RULE_NODE , INS_NODE , MARK_NODE , ADJUST_NODE , LIGATURE_NODE , DISC_NODE , WHATSIT_NODE , MATH_NODE , GLUE_NODE , KERN_NODE , PENALTY_NODE , UNSET_NODE } |
| enum | InfinityOrder { FIL = 1 , FILL , FILLL } |
[#150]: the orders of INFINITY (normal, fil, fill, or filll) corresponding to the stretch and shrink values. 更多... | |
函数 | |
| Pointer | new_null_box (void) |
| [#136] creates a new box node. 更多... | |
| Pointer | new_rule (void) |
| [#139] 更多... | |
| Pointer | new_ligature (QuarterWord f, QuarterWord c, Pointer q) |
| [#144] creates a ligature node having given contents of the font, character, and lig_ptr fields. 更多... | |
| Pointer | new_lig_item (QuarterWord c) |
| [#144] returns a two-word node having a given character field. 更多... | |
| Pointer | new_disc (void) |
| [#145] creates an empty disc node. 更多... | |
| Pointer | new_math (Scaled w, SmallNumber s) |
| [#147] A math node, which occurs only in horizontal lists, appears before and after mathematical formulas. 更多... | |
| Pointer | new_spec (Pointer p) |
| [#151] duplicates a glue specification. 更多... | |
| Pointer | new_param_glue (SmallNumber n) |
| [#152] creates a glue node for a given parameter identified by its code number; 更多... | |
| Pointer | new_glue (Pointer q) |
| [#153] argument points to a glue specification. 更多... | |
| Pointer | new_skip_param (SmallNumber n) |
| [#154] creates a glue node for one of the current glue parameters. 更多... | |
| Pointer | new_kern (long w) |
| [#156] creates a kern node having a given width. 更多... | |
| Pointer | new_penalty (long m) |
| [#158] 更多... | |
| void | shortdisplay (Pointer p) |
| [#174] prints highlights of list p. 更多... | |
| void | printspec (Integer p, StrNumber s) |
| [#178] prints a glue specification. 更多... | |
| void | shownodelist (Integer p) |
| [#182] prints a node list symbolically. 更多... | |
| void | showbox (HalfWord p) |
| [#198] 更多... | |
| void | delete_token_ref (HalfWord p) |
| void | delete_glue_ref (HalfWord p) |
| void | flush_node_list (HalfWord p) |
| HalfWord | copynodelist (HalfWord p) |
变量 | |
| Integer | font_in_short_display |
| [#173] an internal font number. 更多... | |
| Integer | depth_threshold |
| [#181] maximum nesting depth in box displays. 更多... | |
| Integer | breadth_max |
| [#181] maximum number of items shown at the same list level. 更多... | |
| #define INC_BOX_H |
Box related.
[#133] Data structures for boxes and their friends.
1.9.1