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authorRuslan Ermilov <ru@FreeBSD.org>2001-04-17 12:29:43 +0000
committerRuslan Ermilov <ru@FreeBSD.org>2001-04-17 12:29:43 +0000
commitbb2974b756a013b8c19430041f7d1f12f47b6da0 (patch)
tree815298cb5ea710138306f7c43f3d9f28d121589c /contrib/groff/src/preproc/refer
parent96cdc9a0500624ea535a322d7d55c9ff41a5095a (diff)
downloadsrc-bb2974b756a013b8c19430041f7d1f12f47b6da0.tar.gz
src-bb2974b756a013b8c19430041f7d1f12f47b6da0.zip
Removed yacc(1) output files.
Notes
Notes: svn path=/head/; revision=75591
Diffstat (limited to 'contrib/groff/src/preproc/refer')
-rw-r--r--contrib/groff/src/preproc/refer/label.cc1602
1 files changed, 0 insertions, 1602 deletions
diff --git a/contrib/groff/src/preproc/refer/label.cc b/contrib/groff/src/preproc/refer/label.cc
deleted file mode 100644
index c6dc07cd4817..000000000000
--- a/contrib/groff/src/preproc/refer/label.cc
+++ /dev/null
@@ -1,1602 +0,0 @@
-#ifndef lint
-/*static char yysccsid[] = "from: @(#)yaccpar 1.9 (Berkeley) 02/21/93";*/
-static char yyrcsid[] = "$Id: label.cc,v 1.2 2000/02/28 11:02:12 wlemb Exp $";
-#endif
-#define YYBYACC 1
-#define YYMAJOR 1
-#define YYMINOR 9
-#define yyclearin (yychar=(-1))
-#define yyerrok (yyerrflag=0)
-#define YYRECOVERING (yyerrflag!=0)
-#define YYPREFIX "yy"
-#line 22 "label.y"
-
-#include "refer.h"
-#include "refid.h"
-#include "ref.h"
-#include "token.h"
-
-int yylex();
-void yyerror(const char *);
-int yyparse();
-
-static const char *format_serial(char c, int n);
-
-struct label_info {
- int start;
- int length;
- int count;
- int total;
- label_info(const string &);
-};
-
-label_info *lookup_label(const string &label);
-
-struct expression {
- enum {
- /* Does the tentative label depend on the reference?*/
- CONTAINS_VARIABLE = 01,
- CONTAINS_STAR = 02,
- CONTAINS_FORMAT = 04,
- CONTAINS_AT = 010
- };
- virtual ~expression() { }
- virtual void evaluate(int, const reference &, string &,
- substring_position &) = 0;
- virtual unsigned analyze() { return 0; }
-};
-
-class at_expr : public expression {
-public:
- at_expr() { }
- void evaluate(int, const reference &, string &, substring_position &);
- unsigned analyze() { return CONTAINS_VARIABLE|CONTAINS_AT; }
-};
-
-class format_expr : public expression {
- char type;
- int width;
- int first_number;
-public:
- format_expr(char c, int w = 0, int f = 1)
- : type(c), width(w), first_number(f) { }
- void evaluate(int, const reference &, string &, substring_position &);
- unsigned analyze() { return CONTAINS_FORMAT; }
-};
-
-class field_expr : public expression {
- int number;
- char name;
-public:
- field_expr(char nm, int num) : number(num), name(nm) { }
- void evaluate(int, const reference &, string &, substring_position &);
- unsigned analyze() { return CONTAINS_VARIABLE; }
-};
-
-class literal_expr : public expression {
- string s;
-public:
- literal_expr(const char *ptr, int len) : s(ptr, len) { }
- void evaluate(int, const reference &, string &, substring_position &);
-};
-
-class unary_expr : public expression {
-protected:
- expression *expr;
-public:
- unary_expr(expression *e) : expr(e) { }
- ~unary_expr() { delete expr; }
- void evaluate(int, const reference &, string &, substring_position &) = 0;
- unsigned analyze() { return expr ? expr->analyze() : 0; }
-};
-
-/* This caches the analysis of an expression.*/
-
-class analyzed_expr : public unary_expr {
- unsigned flags;
-public:
- analyzed_expr(expression *);
- void evaluate(int, const reference &, string &, substring_position &);
- unsigned analyze() { return flags; }
-};
-
-class star_expr : public unary_expr {
-public:
- star_expr(expression *e) : unary_expr(e) { }
- void evaluate(int, const reference &, string &, substring_position &);
- unsigned analyze() {
- return ((expr ? (expr->analyze() & ~CONTAINS_VARIABLE) : 0)
- | CONTAINS_STAR);
- }
-};
-
-typedef void map_func(const char *, const char *, string &);
-
-class map_expr : public unary_expr {
- map_func *func;
-public:
- map_expr(expression *e, map_func *f) : unary_expr(e), func(f) { }
- void evaluate(int, const reference &, string &, substring_position &);
-};
-
-typedef const char *extractor_func(const char *, const char *, const char **);
-
-class extractor_expr : public unary_expr {
- int part;
- extractor_func *func;
-public:
- enum { BEFORE = +1, MATCH = 0, AFTER = -1 };
- extractor_expr(expression *e, extractor_func *f, int pt)
- : unary_expr(e), part(pt), func(f) { }
- void evaluate(int, const reference &, string &, substring_position &);
-};
-
-class truncate_expr : public unary_expr {
- int n;
-public:
- truncate_expr(expression *e, int i) : unary_expr(e), n(i) { }
- void evaluate(int, const reference &, string &, substring_position &);
-};
-
-class separator_expr : public unary_expr {
-public:
- separator_expr(expression *e) : unary_expr(e) { }
- void evaluate(int, const reference &, string &, substring_position &);
-};
-
-class binary_expr : public expression {
-protected:
- expression *expr1;
- expression *expr2;
-public:
- binary_expr(expression *e1, expression *e2) : expr1(e1), expr2(e2) { }
- ~binary_expr() { delete expr1; delete expr2; }
- void evaluate(int, const reference &, string &, substring_position &) = 0;
- unsigned analyze() {
- return (expr1 ? expr1->analyze() : 0) | (expr2 ? expr2->analyze() : 0);
- }
-};
-
-class alternative_expr : public binary_expr {
-public:
- alternative_expr(expression *e1, expression *e2) : binary_expr(e1, e2) { }
- void evaluate(int, const reference &, string &, substring_position &);
-};
-
-class list_expr : public binary_expr {
-public:
- list_expr(expression *e1, expression *e2) : binary_expr(e1, e2) { }
- void evaluate(int, const reference &, string &, substring_position &);
-};
-
-class substitute_expr : public binary_expr {
-public:
- substitute_expr(expression *e1, expression *e2) : binary_expr(e1, e2) { }
- void evaluate(int, const reference &, string &, substring_position &);
-};
-
-class ternary_expr : public expression {
-protected:
- expression *expr1;
- expression *expr2;
- expression *expr3;
-public:
- ternary_expr(expression *e1, expression *e2, expression *e3)
- : expr1(e1), expr2(e2), expr3(e3) { }
- ~ternary_expr() { delete expr1; delete expr2; delete expr3; }
- void evaluate(int, const reference &, string &, substring_position &) = 0;
- unsigned analyze() {
- return ((expr1 ? expr1->analyze() : 0)
- | (expr2 ? expr2->analyze() : 0)
- | (expr3 ? expr3->analyze() : 0));
- }
-};
-
-class conditional_expr : public ternary_expr {
-public:
- conditional_expr(expression *e1, expression *e2, expression *e3)
- : ternary_expr(e1, e2, e3) { }
- void evaluate(int, const reference &, string &, substring_position &);
-};
-
-static expression *parsed_label = 0;
-static expression *parsed_date_label = 0;
-static expression *parsed_short_label = 0;
-
-static expression *parse_result;
-
-string literals;
-
-#line 221 "label.y"
-typedef union {
- int num;
- expression *expr;
- struct { int ndigits; int val; } dig;
- struct { int start; int len; } str;
-} YYSTYPE;
-#line 218 "y.tab.c"
-#define TOKEN_LETTER 257
-#define TOKEN_LITERAL 258
-#define TOKEN_DIGIT 259
-#define YYERRCODE 256
-short yylhs[] = { -1,
- 0, 1, 1, 6, 6, 2, 2, 2, 3, 3,
- 5, 5, 4, 4, 4, 4, 4, 4, 4, 4,
- 4, 4, 4, 4, 9, 9, 7, 7, 8, 8,
- 10, 10, 10,
-};
-short yylen[] = { 2,
- 1, 1, 5, 0, 1, 1, 3, 3, 1, 2,
- 1, 3, 1, 1, 1, 2, 2, 2, 5, 3,
- 3, 2, 3, 3, 0, 1, 1, 2, 1, 2,
- 0, 1, 1,
-};
-short yydefred[] = { 0,
- 0, 14, 13, 0, 0, 0, 0, 5, 0, 0,
- 0, 0, 1, 27, 0, 17, 29, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 22, 0, 28,
- 30, 23, 24, 0, 0, 0, 32, 33, 0, 0,
- 0, 0, 0, 0, 3, 0, 19,
-};
-short yydgoto[] = { 7,
- 8, 9, 10, 11, 12, 13, 15, 18, 47, 39,
-};
-short yysindex[] = { -32,
- -257, 0, 0, -240, -32, -32, 0, 0, -18, -32,
- -36, -114, 0, 0, -246, 0, 0, -241, -14, -39,
- -32, -32, -32, -114, -21, -257, -257, 0, -32, 0,
- 0, 0, 0, -25, -32, -32, 0, 0, -223, -246,
- -246, -36, -32, -257, 0, -246, 0,
-};
-short yyrindex[] = { 35,
- 1, 0, 0, 0, -5, -4, 0, 0, 14, 208,
- 159, 224, 0, 0, 11, 0, 0, 40, 0, 0,
- 2, 0, 0, 253, -220, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 263, 281, 0, 0, 0, 50,
- 105, 214, 0, 115, 0, 149, 0,
-};
-short yygindex[] = { 0,
- 19, 0, 7, 37, -10, 10, -23, 0, 0, 0,
-};
-#define YYTABLESIZE 511
-short yytable[] = { 24,
- 15, 14, 40, 41, 4, 28, 26, 5, 27, 25,
- 16, 29, 30, 2, 19, 20, 16, 31, 17, 23,
- 46, 37, 33, 38, 24, 24, 32, 6, 35, 36,
- 34, 3, 43, 44, 4, 4, 31, 15, 15, 18,
- 15, 15, 15, 15, 21, 15, 15, 16, 16, 20,
- 16, 16, 16, 16, 2, 16, 16, 4, 15, 4,
- 15, 45, 15, 15, 15, 42, 0, 0, 16, 0,
- 16, 2, 16, 16, 16, 2, 18, 18, 0, 18,
- 18, 18, 18, 0, 18, 18, 20, 20, 0, 20,
- 20, 20, 20, 0, 20, 20, 0, 18, 0, 18,
- 0, 18, 18, 18, 21, 22, 0, 20, 0, 20,
- 0, 20, 20, 20, 25, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 15, 0, 15, 0, 0, 0,
- 0, 0, 0, 0, 16, 0, 16, 0, 0, 0,
- 0, 21, 21, 0, 21, 21, 21, 21, 26, 21,
- 21, 25, 25, 0, 25, 25, 25, 25, 11, 25,
- 25, 0, 21, 18, 21, 18, 21, 21, 21, 0,
- 0, 0, 25, 20, 25, 20, 25, 25, 25, 0,
- 0, 0, 0, 0, 0, 26, 26, 0, 26, 26,
- 26, 26, 0, 26, 26, 11, 11, 0, 11, 11,
- 0, 0, 0, 0, 0, 0, 26, 6, 26, 0,
- 26, 26, 26, 12, 0, 0, 11, 0, 11, 0,
- 11, 11, 11, 9, 1, 2, 0, 0, 21, 0,
- 21, 0, 0, 0, 0, 0, 0, 0, 25, 0,
- 25, 0, 0, 0, 0, 6, 0, 0, 6, 0,
- 12, 12, 10, 12, 12, 0, 0, 15, 15, 0,
- 9, 9, 7, 9, 9, 6, 0, 16, 16, 6,
- 6, 12, 26, 12, 26, 12, 12, 12, 0, 0,
- 8, 9, 11, 9, 11, 9, 9, 9, 0, 10,
- 10, 0, 10, 10, 0, 0, 18, 18, 0, 0,
- 7, 0, 0, 7, 0, 0, 20, 20, 0, 0,
- 10, 0, 10, 0, 10, 10, 10, 0, 8, 0,
- 7, 8, 0, 0, 7, 7, 0, 0, 0, 0,
- 0, 6, 0, 0, 0, 0, 0, 12, 8, 12,
- 0, 0, 8, 8, 0, 0, 0, 9, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 21, 21, 0, 0, 0, 0, 0, 0, 0,
- 0, 25, 25, 0, 0, 0, 10, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 7, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 8, 26, 26, 0, 0, 0,
- 0, 0, 0, 0, 0, 11, 11, 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,
- 12, 12, 0, 0, 0, 0, 0, 0, 0, 0,
- 9, 9, 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, 10,
- 10,
-};
-short yycheck[] = { 10,
- 0, 259, 26, 27, 37, 42, 43, 40, 45, 46,
- 0, 126, 259, 0, 5, 6, 257, 259, 259, 38,
- 44, 43, 62, 45, 35, 36, 41, 60, 22, 23,
- 21, 64, 58, 257, 0, 41, 257, 37, 38, 0,
- 40, 41, 42, 43, 63, 45, 46, 37, 38, 0,
- 40, 41, 42, 43, 41, 45, 46, 62, 58, 58,
- 60, 43, 62, 63, 64, 29, -1, -1, 58, -1,
- 60, 58, 62, 63, 64, 62, 37, 38, -1, 40,
- 41, 42, 43, -1, 45, 46, 37, 38, -1, 40,
- 41, 42, 43, -1, 45, 46, -1, 58, -1, 60,
- -1, 62, 63, 64, 0, 124, -1, 58, -1, 60,
- -1, 62, 63, 64, 0, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, 124, -1, 126, -1, -1, -1,
- -1, -1, -1, -1, 124, -1, 126, -1, -1, -1,
- -1, 37, 38, -1, 40, 41, 42, 43, 0, 45,
- 46, 37, 38, -1, 40, 41, 42, 43, 0, 45,
- 46, -1, 58, 124, 60, 126, 62, 63, 64, -1,
- -1, -1, 58, 124, 60, 126, 62, 63, 64, -1,
- -1, -1, -1, -1, -1, 37, 38, -1, 40, 41,
- 42, 43, -1, 45, 46, 37, 38, -1, 40, 41,
- -1, -1, -1, -1, -1, -1, 58, 0, 60, -1,
- 62, 63, 64, 0, -1, -1, 58, -1, 60, -1,
- 62, 63, 64, 0, 257, 258, -1, -1, 124, -1,
- 126, -1, -1, -1, -1, -1, -1, -1, 124, -1,
- 126, -1, -1, -1, -1, 38, -1, -1, 41, -1,
- 37, 38, 0, 40, 41, -1, -1, 257, 258, -1,
- 37, 38, 0, 40, 41, 58, -1, 257, 258, 62,
- 63, 58, 124, 60, 126, 62, 63, 64, -1, -1,
- 0, 58, 124, 60, 126, 62, 63, 64, -1, 37,
- 38, -1, 40, 41, -1, -1, 257, 258, -1, -1,
- 38, -1, -1, 41, -1, -1, 257, 258, -1, -1,
- 58, -1, 60, -1, 62, 63, 64, -1, 38, -1,
- 58, 41, -1, -1, 62, 63, -1, -1, -1, -1,
- -1, 124, -1, -1, -1, -1, -1, 124, 58, 126,
- -1, -1, 62, 63, -1, -1, -1, 124, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, 257, 258, -1, -1, -1, -1, -1, -1, -1,
- -1, 257, 258, -1, -1, -1, 124, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, 124, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, 124, 257, 258, -1, -1, -1,
- -1, -1, -1, -1, -1, 257, 258, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- 257, 258, -1, -1, -1, -1, -1, -1, -1, -1,
- 257, 258, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1, 257,
- 258,
-};
-#define YYFINAL 7
-#ifndef YYDEBUG
-#define YYDEBUG 0
-#endif
-#define YYMAXTOKEN 259
-#if YYDEBUG
-char *yyname[] = {
-"end-of-file",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,
-"'~'",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
-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,"TOKEN_LETTER","TOKEN_LITERAL","TOKEN_DIGIT",
-};
-char *yyrule[] = {
-"$accept : expr",
-"expr : optional_conditional",
-"conditional : alternative",
-"conditional : alternative '?' optional_conditional ':' conditional",
-"optional_conditional :",
-"optional_conditional : conditional",
-"alternative : list",
-"alternative : alternative '|' list",
-"alternative : alternative '&' list",
-"list : substitute",
-"list : list substitute",
-"substitute : string",
-"substitute : substitute '~' string",
-"string : '@'",
-"string : TOKEN_LITERAL",
-"string : TOKEN_LETTER",
-"string : TOKEN_LETTER number",
-"string : '%' TOKEN_LETTER",
-"string : '%' digits",
-"string : string '.' flag TOKEN_LETTER optional_number",
-"string : string '+' number",
-"string : string '-' number",
-"string : string '*'",
-"string : '(' optional_conditional ')'",
-"string : '<' optional_conditional '>'",
-"optional_number :",
-"optional_number : number",
-"number : TOKEN_DIGIT",
-"number : number TOKEN_DIGIT",
-"digits : TOKEN_DIGIT",
-"digits : digits TOKEN_DIGIT",
-"flag :",
-"flag : '+'",
-"flag : '-'",
-};
-#endif
-#ifdef YYSTACKSIZE
-#undef YYMAXDEPTH
-#define YYMAXDEPTH YYSTACKSIZE
-#else
-#ifdef YYMAXDEPTH
-#define YYSTACKSIZE YYMAXDEPTH
-#else
-#define YYSTACKSIZE 500
-#define YYMAXDEPTH 500
-#endif
-#endif
-int yydebug;
-int yynerrs;
-int yyerrflag;
-int yychar;
-short *yyssp;
-YYSTYPE *yyvsp;
-YYSTYPE yyval;
-YYSTYPE yylval;
-short yyss[YYSTACKSIZE];
-YYSTYPE yyvs[YYSTACKSIZE];
-#define yystacksize YYSTACKSIZE
-#line 397 "label.y"
-
-/* bison defines const to be empty unless __STDC__ is defined, which it
-isn't under cfront */
-
-#ifdef const
-#undef const
-#endif
-
-const char *spec_ptr;
-const char *spec_end;
-const char *spec_cur;
-
-int yylex()
-{
- while (spec_ptr < spec_end && csspace(*spec_ptr))
- spec_ptr++;
- spec_cur = spec_ptr;
- if (spec_ptr >= spec_end)
- return 0;
- unsigned char c = *spec_ptr++;
- if (csalpha(c)) {
- yylval.num = c;
- return TOKEN_LETTER;
- }
- if (csdigit(c)) {
- yylval.num = c - '0';
- return TOKEN_DIGIT;
- }
- if (c == '\'') {
- yylval.str.start = literals.length();
- for (; spec_ptr < spec_end; spec_ptr++) {
- if (*spec_ptr == '\'') {
- if (++spec_ptr < spec_end && *spec_ptr == '\'')
- literals += '\'';
- else {
- yylval.str.len = literals.length() - yylval.str.start;
- return TOKEN_LITERAL;
- }
- }
- else
- literals += *spec_ptr;
- }
- yylval.str.len = literals.length() - yylval.str.start;
- return TOKEN_LITERAL;
- }
- return c;
-}
-
-int set_label_spec(const char *label_spec)
-{
- spec_cur = spec_ptr = label_spec;
- spec_end = strchr(label_spec, '\0');
- literals.clear();
- if (yyparse())
- return 0;
- delete parsed_label;
- parsed_label = parse_result;
- return 1;
-}
-
-int set_date_label_spec(const char *label_spec)
-{
- spec_cur = spec_ptr = label_spec;
- spec_end = strchr(label_spec, '\0');
- literals.clear();
- if (yyparse())
- return 0;
- delete parsed_date_label;
- parsed_date_label = parse_result;
- return 1;
-}
-
-int set_short_label_spec(const char *label_spec)
-{
- spec_cur = spec_ptr = label_spec;
- spec_end = strchr(label_spec, '\0');
- literals.clear();
- if (yyparse())
- return 0;
- delete parsed_short_label;
- parsed_short_label = parse_result;
- return 1;
-}
-
-void yyerror(const char *message)
-{
- if (spec_cur < spec_end)
- command_error("label specification %1 before `%2'", message, spec_cur);
- else
- command_error("label specification %1 at end of string",
- message, spec_cur);
-}
-
-void at_expr::evaluate(int tentative, const reference &ref,
- string &result, substring_position &)
-{
- if (tentative)
- ref.canonicalize_authors(result);
- else {
- const char *end, *start = ref.get_authors(&end);
- if (start)
- result.append(start, end - start);
- }
-}
-
-void format_expr::evaluate(int tentative, const reference &ref,
- string &result, substring_position &)
-{
- if (tentative)
- return;
- const label_info *lp = ref.get_label_ptr();
- int num = lp == 0 ? ref.get_number() : lp->count;
- if (type != '0')
- result += format_serial(type, num + 1);
- else {
- const char *ptr = i_to_a(num + first_number);
- int pad = width - strlen(ptr);
- while (--pad >= 0)
- result += '0';
- result += ptr;
- }
-}
-
-static const char *format_serial(char c, int n)
-{
- assert(n > 0);
- static char buf[128]; // more than enough.
- switch (c) {
- case 'i':
- case 'I':
- {
- char *p = buf;
- // troff uses z and w to represent 10000 and 5000 in Roman
- // numerals; I can find no historical basis for this usage
- const char *s = c == 'i' ? "zwmdclxvi" : "ZWMDCLXVI";
- if (n >= 40000)
- return i_to_a(n);
- while (n >= 10000) {
- *p++ = s[0];
- n -= 10000;
- }
- for (int i = 1000; i > 0; i /= 10, s += 2) {
- int m = n/i;
- n -= m*i;
- switch (m) {
- case 3:
- *p++ = s[2];
- /* falls through */
- case 2:
- *p++ = s[2];
- /* falls through */
- case 1:
- *p++ = s[2];
- break;
- case 4:
- *p++ = s[2];
- *p++ = s[1];
- break;
- case 8:
- *p++ = s[1];
- *p++ = s[2];
- *p++ = s[2];
- *p++ = s[2];
- break;
- case 7:
- *p++ = s[1];
- *p++ = s[2];
- *p++ = s[2];
- break;
- case 6:
- *p++ = s[1];
- *p++ = s[2];
- break;
- case 5:
- *p++ = s[1];
- break;
- case 9:
- *p++ = s[2];
- *p++ = s[0];
- }
- }
- *p = 0;
- break;
- }
- case 'a':
- case 'A':
- {
- char *p = buf;
- // this is derived from troff/reg.c
- while (n > 0) {
- int d = n % 26;
- if (d == 0)
- d = 26;
- n -= d;
- n /= 26;
- *p++ = c + d - 1; // ASCII dependent
- }
- *p-- = 0;
- // Reverse it.
- char *q = buf;
- while (q < p) {
- char temp = *q;
- *q = *p;
- *p = temp;
- --p;
- ++q;
- }
- break;
- }
- default:
- assert(0);
- }
- return buf;
-}
-
-void field_expr::evaluate(int, const reference &ref,
- string &result, substring_position &)
-{
- const char *end;
- const char *start = ref.get_field(name, &end);
- if (start) {
- start = nth_field(number, start, &end);
- if (start)
- result.append(start, end - start);
- }
-}
-
-void literal_expr::evaluate(int, const reference &,
- string &result, substring_position &)
-{
- result += s;
-}
-
-analyzed_expr::analyzed_expr(expression *e)
-: unary_expr(e), flags(e ? e->analyze() : 0)
-{
-}
-
-void analyzed_expr::evaluate(int tentative, const reference &ref,
- string &result, substring_position &pos)
-{
- if (expr)
- expr->evaluate(tentative, ref, result, pos);
-}
-
-void star_expr::evaluate(int tentative, const reference &ref,
- string &result, substring_position &pos)
-{
- const label_info *lp = ref.get_label_ptr();
- if (!tentative
- && (lp == 0 || lp->total > 1)
- && expr)
- expr->evaluate(tentative, ref, result, pos);
-}
-
-void separator_expr::evaluate(int tentative, const reference &ref,
- string &result, substring_position &pos)
-{
- int start_length = result.length();
- int is_first = pos.start < 0;
- if (expr)
- expr->evaluate(tentative, ref, result, pos);
- if (is_first) {
- pos.start = start_length;
- pos.length = result.length() - start_length;
- }
-}
-
-void map_expr::evaluate(int tentative, const reference &ref,
- string &result, substring_position &)
-{
- if (expr) {
- string temp;
- substring_position temp_pos;
- expr->evaluate(tentative, ref, temp, temp_pos);
- (*func)(temp.contents(), temp.contents() + temp.length(), result);
- }
-}
-
-void extractor_expr::evaluate(int tentative, const reference &ref,
- string &result, substring_position &)
-{
- if (expr) {
- string temp;
- substring_position temp_pos;
- expr->evaluate(tentative, ref, temp, temp_pos);
- const char *end, *start = (*func)(temp.contents(),
- temp.contents() + temp.length(),
- &end);
- switch (part) {
- case BEFORE:
- if (start)
- result.append(temp.contents(), start - temp.contents());
- else
- result += temp;
- break;
- case MATCH:
- if (start)
- result.append(start, end - start);
- break;
- case AFTER:
- if (start)
- result.append(end, temp.contents() + temp.length() - end);
- break;
- default:
- assert(0);
- }
- }
-}
-
-static void first_part(int len, const char *ptr, const char *end,
- string &result)
-{
- for (;;) {
- const char *token_start = ptr;
- if (!get_token(&ptr, end))
- break;
- const token_info *ti = lookup_token(token_start, ptr);
- int counts = ti->sortify_non_empty(token_start, ptr);
- if (counts && --len < 0)
- break;
- if (counts || ti->is_accent())
- result.append(token_start, ptr - token_start);
- }
-}
-
-static void last_part(int len, const char *ptr, const char *end,
- string &result)
-{
- const char *start = ptr;
- int count = 0;
- for (;;) {
- const char *token_start = ptr;
- if (!get_token(&ptr, end))
- break;
- const token_info *ti = lookup_token(token_start, ptr);
- if (ti->sortify_non_empty(token_start, ptr))
- count++;
- }
- ptr = start;
- int skip = count - len;
- if (skip > 0) {
- for (;;) {
- const char *token_start = ptr;
- if (!get_token(&ptr, end))
- assert(0);
- const token_info *ti = lookup_token(token_start, ptr);
- if (ti->sortify_non_empty(token_start, ptr) && --skip < 0) {
- ptr = token_start;
- break;
- }
- }
- }
- first_part(len, ptr, end, result);
-}
-
-void truncate_expr::evaluate(int tentative, const reference &ref,
- string &result, substring_position &)
-{
- if (expr) {
- string temp;
- substring_position temp_pos;
- expr->evaluate(tentative, ref, temp, temp_pos);
- const char *start = temp.contents();
- const char *end = start + temp.length();
- if (n > 0)
- first_part(n, start, end, result);
- else if (n < 0)
- last_part(-n, start, end, result);
- }
-}
-
-void alternative_expr::evaluate(int tentative, const reference &ref,
- string &result, substring_position &pos)
-{
- int start_length = result.length();
- if (expr1)
- expr1->evaluate(tentative, ref, result, pos);
- if (result.length() == start_length && expr2)
- expr2->evaluate(tentative, ref, result, pos);
-}
-
-void list_expr::evaluate(int tentative, const reference &ref,
- string &result, substring_position &pos)
-{
- if (expr1)
- expr1->evaluate(tentative, ref, result, pos);
- if (expr2)
- expr2->evaluate(tentative, ref, result, pos);
-}
-
-void substitute_expr::evaluate(int tentative, const reference &ref,
- string &result, substring_position &pos)
-{
- int start_length = result.length();
- if (expr1)
- expr1->evaluate(tentative, ref, result, pos);
- if (result.length() > start_length && result[result.length() - 1] == '-') {
- // ought to see if pos covers the -
- result.set_length(result.length() - 1);
- if (expr2)
- expr2->evaluate(tentative, ref, result, pos);
- }
-}
-
-void conditional_expr::evaluate(int tentative, const reference &ref,
- string &result, substring_position &pos)
-{
- string temp;
- substring_position temp_pos;
- if (expr1)
- expr1->evaluate(tentative, ref, temp, temp_pos);
- if (temp.length() > 0) {
- if (expr2)
- expr2->evaluate(tentative, ref, result, pos);
- }
- else {
- if (expr3)
- expr3->evaluate(tentative, ref, result, pos);
- }
-}
-
-void reference::pre_compute_label()
-{
- if (parsed_label != 0
- && (parsed_label->analyze() & expression::CONTAINS_VARIABLE)) {
- label.clear();
- substring_position temp_pos;
- parsed_label->evaluate(1, *this, label, temp_pos);
- label_ptr = lookup_label(label);
- }
-}
-
-void reference::compute_label()
-{
- label.clear();
- if (parsed_label)
- parsed_label->evaluate(0, *this, label, separator_pos);
- if (short_label_flag && parsed_short_label)
- parsed_short_label->evaluate(0, *this, short_label, short_separator_pos);
- if (date_as_label) {
- string new_date;
- if (parsed_date_label) {
- substring_position temp_pos;
- parsed_date_label->evaluate(0, *this, new_date, temp_pos);
- }
- set_date(new_date);
- }
- if (label_ptr)
- label_ptr->count += 1;
-}
-
-void reference::immediate_compute_label()
-{
- if (label_ptr)
- label_ptr->total = 2; // force use of disambiguator
- compute_label();
-}
-
-int reference::merge_labels(reference **v, int n, label_type type,
- string &result)
-{
- if (abbreviate_label_ranges)
- return merge_labels_by_number(v, n, type, result);
- else
- return merge_labels_by_parts(v, n, type, result);
-}
-
-int reference::merge_labels_by_number(reference **v, int n, label_type type,
- string &result)
-{
- if (n <= 1)
- return 0;
- int num = get_number();
- // Only merge three or more labels.
- if (v[0]->get_number() != num + 1
- || v[1]->get_number() != num + 2)
- return 0;
- int i;
- for (i = 2; i < n; i++)
- if (v[i]->get_number() != num + i + 1)
- break;
- result = get_label(type);
- result += label_range_indicator;
- result += v[i - 1]->get_label(type);
- return i;
-}
-
-const substring_position &reference::get_separator_pos(label_type type) const
-{
- if (type == SHORT_LABEL && short_label_flag)
- return short_separator_pos;
- else
- return separator_pos;
-}
-
-const string &reference::get_label(label_type type) const
-{
- if (type == SHORT_LABEL && short_label_flag)
- return short_label;
- else
- return label;
-}
-
-int reference::merge_labels_by_parts(reference **v, int n, label_type type,
- string &result)
-{
- if (n <= 0)
- return 0;
- const string &lb = get_label(type);
- const substring_position &sp = get_separator_pos(type);
- if (sp.start < 0
- || sp.start != v[0]->get_separator_pos(type).start
- || memcmp(lb.contents(), v[0]->get_label(type).contents(),
- sp.start) != 0)
- return 0;
- result = lb;
- int i = 0;
- do {
- result += separate_label_second_parts;
- const substring_position &s = v[i]->get_separator_pos(type);
- int sep_end_pos = s.start + s.length;
- result.append(v[i]->get_label(type).contents() + sep_end_pos,
- v[i]->get_label(type).length() - sep_end_pos);
- } while (++i < n
- && sp.start == v[i]->get_separator_pos(type).start
- && memcmp(lb.contents(), v[i]->get_label(type).contents(),
- sp.start) == 0);
- return i;
-}
-
-string label_pool;
-
-label_info::label_info(const string &s)
-: start(label_pool.length()), length(s.length()), count(0), total(1)
-{
- label_pool += s;
-}
-
-static label_info **label_table = 0;
-static int label_table_size = 0;
-static int label_table_used = 0;
-
-label_info *lookup_label(const string &label)
-{
- if (label_table == 0) {
- label_table = new label_info *[17];
- label_table_size = 17;
- for (int i = 0; i < 17; i++)
- label_table[i] = 0;
- }
- unsigned h = hash_string(label.contents(), label.length()) % label_table_size;
- label_info **ptr;
- for (ptr = label_table + h;
- *ptr != 0;
- (ptr == label_table)
- ? (ptr = label_table + label_table_size - 1)
- : ptr--)
- if ((*ptr)->length == label.length()
- && memcmp(label_pool.contents() + (*ptr)->start, label.contents(),
- label.length()) == 0) {
- (*ptr)->total += 1;
- return *ptr;
- }
- label_info *result = *ptr = new label_info(label);
- if (++label_table_used * 2 > label_table_size) {
- // Rehash the table.
- label_info **old_table = label_table;
- int old_size = label_table_size;
- label_table_size = next_size(label_table_size);
- label_table = new label_info *[label_table_size];
- int i;
- for (i = 0; i < label_table_size; i++)
- label_table[i] = 0;
- for (i = 0; i < old_size; i++)
- if (old_table[i]) {
- unsigned h = hash_string(label_pool.contents() + old_table[i]->start,
- old_table[i]->length);
- label_info **p;
- for (p = label_table + (h % label_table_size);
- *p != 0;
- (p == label_table)
- ? (p = label_table + label_table_size - 1)
- : --p)
- ;
- *p = old_table[i];
- }
- a_delete old_table;
- }
- return result;
-}
-
-void clear_labels()
-{
- for (int i = 0; i < label_table_size; i++) {
- delete label_table[i];
- label_table[i] = 0;
- }
- label_table_used = 0;
- label_pool.clear();
-}
-
-static void consider_authors(reference **start, reference **end, int i);
-
-void compute_labels(reference **v, int n)
-{
- if (parsed_label
- && (parsed_label->analyze() & expression::CONTAINS_AT)
- && sort_fields.length() >= 2
- && sort_fields[0] == 'A'
- && sort_fields[1] == '+')
- consider_authors(v, v + n, 0);
- for (int i = 0; i < n; i++)
- v[i]->compute_label();
-}
-
-
-/* A reference with a list of authors <A0,A1,...,AN> _needs_ author i
-where 0 <= i <= N if there exists a reference with a list of authors
-<B0,B1,...,BM> such that <A0,A1,...,AN> != <B0,B1,...,BM> and M >= i
-and Aj = Bj for 0 <= j < i. In this case if we can't say ``A0,
-A1,...,A(i-1) et al'' because this would match both <A0,A1,...,AN> and
-<B0,B1,...,BM>. If a reference needs author i we only have to call
-need_author(j) for some j >= i such that the reference also needs
-author j. */
-
-/* This function handles 2 tasks:
-determine which authors are needed (cannot be elided with et al.);
-determine which authors can have only last names in the labels.
-
-References >= start and < end have the same first i author names.
-Also they're sorted by A+. */
-
-static void consider_authors(reference **start, reference **end, int i)
-{
- if (start >= end)
- return;
- reference **p = start;
- if (i >= (*p)->get_nauthors()) {
- for (++p; p < end && i >= (*p)->get_nauthors(); p++)
- ;
- if (p < end && i > 0) {
- // If we have an author list <A B C> and an author list <A B C D>,
- // then both lists need C.
- for (reference **q = start; q < end; q++)
- (*q)->need_author(i - 1);
- }
- start = p;
- }
- while (p < end) {
- reference **last_name_start = p;
- reference **name_start = p;
- for (++p;
- p < end && i < (*p)->get_nauthors()
- && same_author_last_name(**last_name_start, **p, i);
- p++) {
- if (!same_author_name(**name_start, **p, i)) {
- consider_authors(name_start, p, i + 1);
- name_start = p;
- }
- }
- consider_authors(name_start, p, i + 1);
- if (last_name_start == name_start) {
- for (reference **q = last_name_start; q < p; q++)
- (*q)->set_last_name_unambiguous(i);
- }
- // If we have an author list <A B C D> and <A B C E>, then the lists
- // need author D and E respectively.
- if (name_start > start || p < end) {
- for (reference **q = last_name_start; q < p; q++)
- (*q)->need_author(i);
- }
- }
-}
-
-int same_author_last_name(const reference &r1, const reference &r2, int n)
-{
- const char *ae1;
- const char *as1 = r1.get_sort_field(0, n, 0, &ae1);
- assert(as1 != 0);
- const char *ae2;
- const char *as2 = r2.get_sort_field(0, n, 0, &ae2);
- assert(as2 != 0);
- return ae1 - as1 == ae2 - as2 && memcmp(as1, as2, ae1 - as1) == 0;
-}
-
-int same_author_name(const reference &r1, const reference &r2, int n)
-{
- const char *ae1;
- const char *as1 = r1.get_sort_field(0, n, -1, &ae1);
- assert(as1 != 0);
- const char *ae2;
- const char *as2 = r2.get_sort_field(0, n, -1, &ae2);
- assert(as2 != 0);
- return ae1 - as1 == ae2 - as2 && memcmp(as1, as2, ae1 - as1) == 0;
-}
-
-
-void int_set::set(int i)
-{
- assert(i >= 0);
- int bytei = i >> 3;
- if (bytei >= v.length()) {
- int old_length = v.length();
- v.set_length(bytei + 1);
- for (int j = old_length; j <= bytei; j++)
- v[j] = 0;
- }
- v[bytei] |= 1 << (i & 7);
-}
-
-int int_set::get(int i) const
-{
- assert(i >= 0);
- int bytei = i >> 3;
- return bytei >= v.length() ? 0 : (v[bytei] & (1 << (i & 7))) != 0;
-}
-
-void reference::set_last_name_unambiguous(int i)
-{
- last_name_unambiguous.set(i);
-}
-
-void reference::need_author(int n)
-{
- if (n > last_needed_author)
- last_needed_author = n;
-}
-
-const char *reference::get_authors(const char **end) const
-{
- if (!computed_authors) {
- ((reference *)this)->computed_authors = 1;
- string &result = ((reference *)this)->authors;
- int na = get_nauthors();
- result.clear();
- for (int i = 0; i < na; i++) {
- if (last_name_unambiguous.get(i)) {
- const char *e, *start = get_author_last_name(i, &e);
- assert(start != 0);
- result.append(start, e - start);
- }
- else {
- const char *e, *start = get_author(i, &e);
- assert(start != 0);
- result.append(start, e - start);
- }
- if (i == last_needed_author
- && et_al.length() > 0
- && et_al_min_elide > 0
- && last_needed_author + et_al_min_elide < na
- && na >= et_al_min_total) {
- result += et_al;
- break;
- }
- if (i < na - 1) {
- if (na == 2)
- result += join_authors_exactly_two;
- else if (i < na - 2)
- result += join_authors_default;
- else
- result += join_authors_last_two;
- }
- }
- }
- const char *start = authors.contents();
- *end = start + authors.length();
- return start;
-}
-
-int reference::get_nauthors() const
-{
- if (nauthors < 0) {
- const char *dummy;
- int na;
- for (na = 0; get_author(na, &dummy) != 0; na++)
- ;
- ((reference *)this)->nauthors = na;
- }
- return nauthors;
-}
-#line 1228 "y.tab.c"
-#define YYABORT goto yyabort
-#define YYREJECT goto yyabort
-#define YYACCEPT goto yyaccept
-#define YYERROR goto yyerrlab
-int
-#if defined(__STDC__)
-yyparse(void)
-#else
-yyparse()
-#endif
-{
- register int yym, yyn, yystate;
-#if YYDEBUG
- register char *yys;
- extern char *getenv();
-
- if (yys = getenv("YYDEBUG"))
- {
- yyn = *yys;
- if (yyn >= '0' && yyn <= '9')
- yydebug = yyn - '0';
- }
-#endif
-
- yynerrs = 0;
- yyerrflag = 0;
- yychar = (-1);
-
- yyssp = yyss;
- yyvsp = yyvs;
- *yyssp = yystate = 0;
-
-yyloop:
- if ((yyn = yydefred[yystate]) != 0) goto yyreduce;
- if (yychar < 0)
- {
- if ((yychar = yylex()) < 0) yychar = 0;
-#if YYDEBUG
- if (yydebug)
- {
- yys = 0;
- if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
- if (!yys) yys = "illegal-symbol";
- printf("%sdebug: state %d, reading %d (%s)\n",
- YYPREFIX, yystate, yychar, yys);
- }
-#endif
- }
- if ((yyn = yysindex[yystate]) && (yyn += yychar) >= 0 &&
- yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
- {
-#if YYDEBUG
- if (yydebug)
- printf("%sdebug: state %d, shifting to state %d\n",
- YYPREFIX, yystate, yytable[yyn]);
-#endif
- if (yyssp >= yyss + yystacksize - 1)
- {
- goto yyoverflow;
- }
- *++yyssp = yystate = yytable[yyn];
- *++yyvsp = yylval;
- yychar = (-1);
- if (yyerrflag > 0) --yyerrflag;
- goto yyloop;
- }
- if ((yyn = yyrindex[yystate]) && (yyn += yychar) >= 0 &&
- yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
- {
- yyn = yytable[yyn];
- goto yyreduce;
- }
- if (yyerrflag) goto yyinrecovery;
- yyerror("syntax error");
-#ifdef lint
- goto yyerrlab;
-#endif
-yyerrlab:
- ++yynerrs;
-yyinrecovery:
- if (yyerrflag < 3)
- {
- yyerrflag = 3;
- for (;;)
- {
- if ((yyn = yysindex[*yyssp]) && (yyn += YYERRCODE) >= 0 &&
- yyn <= YYTABLESIZE && yycheck[yyn] == YYERRCODE)
- {
-#if YYDEBUG
- if (yydebug)
- printf("%sdebug: state %d, error recovery shifting\
- to state %d\n", YYPREFIX, *yyssp, yytable[yyn]);
-#endif
- if (yyssp >= yyss + yystacksize - 1)
- {
- goto yyoverflow;
- }
- *++yyssp = yystate = yytable[yyn];
- *++yyvsp = yylval;
- goto yyloop;
- }
- else
- {
-#if YYDEBUG
- if (yydebug)
- printf("%sdebug: error recovery discarding state %d\n",
- YYPREFIX, *yyssp);
-#endif
- if (yyssp <= yyss) goto yyabort;
- --yyssp;
- --yyvsp;
- }
- }
- }
- else
- {
- if (yychar == 0) goto yyabort;
-#if YYDEBUG
- if (yydebug)
- {
- yys = 0;
- if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
- if (!yys) yys = "illegal-symbol";
- printf("%sdebug: state %d, error recovery discards token %d (%s)\n",
- YYPREFIX, yystate, yychar, yys);
- }
-#endif
- yychar = (-1);
- goto yyloop;
- }
-yyreduce:
-#if YYDEBUG
- if (yydebug)
- printf("%sdebug: state %d, reducing by rule %d (%s)\n",
- YYPREFIX, yystate, yyn, yyrule[yyn]);
-#endif
- yym = yylen[yyn];
- yyval = yyvsp[1-yym];
- switch (yyn)
- {
-case 1:
-#line 250 "label.y"
-{ parse_result = (yyvsp[0].expr ? new analyzed_expr(yyvsp[0].expr) : 0); }
-break;
-case 2:
-#line 255 "label.y"
-{ yyval.expr = yyvsp[0].expr; }
-break;
-case 3:
-#line 257 "label.y"
-{ yyval.expr = new conditional_expr(yyvsp[-4].expr, yyvsp[-2].expr, yyvsp[0].expr); }
-break;
-case 4:
-#line 262 "label.y"
-{ yyval.expr = 0; }
-break;
-case 5:
-#line 264 "label.y"
-{ yyval.expr = yyvsp[0].expr; }
-break;
-case 6:
-#line 269 "label.y"
-{ yyval.expr = yyvsp[0].expr; }
-break;
-case 7:
-#line 271 "label.y"
-{ yyval.expr = new alternative_expr(yyvsp[-2].expr, yyvsp[0].expr); }
-break;
-case 8:
-#line 273 "label.y"
-{ yyval.expr = new conditional_expr(yyvsp[-2].expr, yyvsp[0].expr, 0); }
-break;
-case 9:
-#line 278 "label.y"
-{ yyval.expr = yyvsp[0].expr; }
-break;
-case 10:
-#line 280 "label.y"
-{ yyval.expr = new list_expr(yyvsp[-1].expr, yyvsp[0].expr); }
-break;
-case 11:
-#line 285 "label.y"
-{ yyval.expr = yyvsp[0].expr; }
-break;
-case 12:
-#line 287 "label.y"
-{ yyval.expr = new substitute_expr(yyvsp[-2].expr, yyvsp[0].expr); }
-break;
-case 13:
-#line 292 "label.y"
-{ yyval.expr = new at_expr; }
-break;
-case 14:
-#line 294 "label.y"
-{
- yyval.expr = new literal_expr(literals.contents() + yyvsp[0].str.start,
- yyvsp[0].str.len);
- }
-break;
-case 15:
-#line 299 "label.y"
-{ yyval.expr = new field_expr(yyvsp[0].num, 0); }
-break;
-case 16:
-#line 301 "label.y"
-{ yyval.expr = new field_expr(yyvsp[-1].num, yyvsp[0].num - 1); }
-break;
-case 17:
-#line 303 "label.y"
-{
- switch (yyvsp[0].num) {
- case 'I':
- case 'i':
- case 'A':
- case 'a':
- yyval.expr = new format_expr(yyvsp[0].num);
- break;
- default:
- command_error("unrecognized format `%1'", char(yyvsp[0].num));
- yyval.expr = new format_expr('a');
- break;
- }
- }
-break;
-case 18:
-#line 319 "label.y"
-{
- yyval.expr = new format_expr('0', yyvsp[0].dig.ndigits, yyvsp[0].dig.val);
- }
-break;
-case 19:
-#line 323 "label.y"
-{
- switch (yyvsp[-1].num) {
- case 'l':
- yyval.expr = new map_expr(yyvsp[-4].expr, lowercase);
- break;
- case 'u':
- yyval.expr = new map_expr(yyvsp[-4].expr, uppercase);
- break;
- case 'c':
- yyval.expr = new map_expr(yyvsp[-4].expr, capitalize);
- break;
- case 'r':
- yyval.expr = new map_expr(yyvsp[-4].expr, reverse_name);
- break;
- case 'a':
- yyval.expr = new map_expr(yyvsp[-4].expr, abbreviate_name);
- break;
- case 'y':
- yyval.expr = new extractor_expr(yyvsp[-4].expr, find_year, yyvsp[-2].num);
- break;
- case 'n':
- yyval.expr = new extractor_expr(yyvsp[-4].expr, find_last_name, yyvsp[-2].num);
- break;
- default:
- yyval.expr = yyvsp[-4].expr;
- command_error("unknown function `%1'", char(yyvsp[-1].num));
- break;
- }
- }
-break;
-case 20:
-#line 354 "label.y"
-{ yyval.expr = new truncate_expr(yyvsp[-2].expr, yyvsp[0].num); }
-break;
-case 21:
-#line 356 "label.y"
-{ yyval.expr = new truncate_expr(yyvsp[-2].expr, -yyvsp[0].num); }
-break;
-case 22:
-#line 358 "label.y"
-{ yyval.expr = new star_expr(yyvsp[-1].expr); }
-break;
-case 23:
-#line 360 "label.y"
-{ yyval.expr = yyvsp[-1].expr; }
-break;
-case 24:
-#line 362 "label.y"
-{ yyval.expr = new separator_expr(yyvsp[-1].expr); }
-break;
-case 25:
-#line 367 "label.y"
-{ yyval.num = -1; }
-break;
-case 26:
-#line 369 "label.y"
-{ yyval.num = yyvsp[0].num; }
-break;
-case 27:
-#line 374 "label.y"
-{ yyval.num = yyvsp[0].num; }
-break;
-case 28:
-#line 376 "label.y"
-{ yyval.num = yyvsp[-1].num*10 + yyvsp[0].num; }
-break;
-case 29:
-#line 381 "label.y"
-{ yyval.dig.ndigits = 1; yyval.dig.val = yyvsp[0].num; }
-break;
-case 30:
-#line 383 "label.y"
-{ yyval.dig.ndigits = yyvsp[-1].dig.ndigits + 1; yyval.dig.val = yyvsp[-1].dig.val*10 + yyvsp[0].num; }
-break;
-case 31:
-#line 389 "label.y"
-{ yyval.num = 0; }
-break;
-case 32:
-#line 391 "label.y"
-{ yyval.num = 1; }
-break;
-case 33:
-#line 393 "label.y"
-{ yyval.num = -1; }
-break;
-#line 1547 "y.tab.c"
- }
- yyssp -= yym;
- yystate = *yyssp;
- yyvsp -= yym;
- yym = yylhs[yyn];
- if (yystate == 0 && yym == 0)
- {
-#if YYDEBUG
- if (yydebug)
- printf("%sdebug: after reduction, shifting from state 0 to\
- state %d\n", YYPREFIX, YYFINAL);
-#endif
- yystate = YYFINAL;
- *++yyssp = YYFINAL;
- *++yyvsp = yyval;
- if (yychar < 0)
- {
- if ((yychar = yylex()) < 0) yychar = 0;
-#if YYDEBUG
- if (yydebug)
- {
- yys = 0;
- if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
- if (!yys) yys = "illegal-symbol";
- printf("%sdebug: state %d, reading %d (%s)\n",
- YYPREFIX, YYFINAL, yychar, yys);
- }
-#endif
- }
- if (yychar == 0) goto yyaccept;
- goto yyloop;
- }
- if ((yyn = yygindex[yym]) && (yyn += yystate) >= 0 &&
- yyn <= YYTABLESIZE && yycheck[yyn] == yystate)
- yystate = yytable[yyn];
- else
- yystate = yydgoto[yym];
-#if YYDEBUG
- if (yydebug)
- printf("%sdebug: after reduction, shifting from state %d \
-to state %d\n", YYPREFIX, *yyssp, yystate);
-#endif
- if (yyssp >= yyss + yystacksize - 1)
- {
- goto yyoverflow;
- }
- *++yyssp = yystate;
- *++yyvsp = yyval;
- goto yyloop;
-yyoverflow:
- yyerror("yacc stack overflow");
-yyabort:
- return (1);
-yyaccept:
- return (0);
-}