1 #include <u.h>
2 #include <libc.h>
3 #include <bio.h>
4 #include <ctype.h>
5 
6 enum
7 {
8 	Unbsp = 0x00A0,
9 	Uprivate = 0xF000,
10 	Uempty,	/* \& */
11 	Uamp,	/* raw & */
12 	Ult,		/* raw < */
13 	Ugt,		/* raw > */
14 	Utick,	/* raw ' */
15 	Ubtick,	/* raw ` */
16 	Uminus,	/* raw - */
17 	Uspace,	/* raw space */
18 	Upl,		/* symbol + */
19 	Ueq,		/* symbol = */
20 	Umi,		/* symbol - */
21 	Uformatted,	/* start diverted output */
22 	Uunformatted,	/* end diverted output */
23 
24 	UPI = 720,	/* units per inch */
25 	UPX = 10,	/* units per pixel */
26 	
27 	/* special input modes */
28 	CopyMode = 1<<1,
29 	ExpandMode = 1<<2,
30 	ArgMode = 1<<3,
31 	HtmlMode = 1<<4,
32 	
33 	MaxLine = 1024
34 };
35 
36 Rune*	L(char*);
37 
38 void		addesc(Rune, int (*)(void), int);
39 void		addraw(Rune*, void(*)(Rune*));
40 void		addreq(Rune*, void(*)(int, Rune**), int);
41 void		af(Rune*, Rune*);
42 void		as(Rune*, Rune*);
43 void		br(void);
44 void		closehtml(void);
45 Rune*	copyarg(void);
46 void		delraw(Rune*);
47 void		delreq(Rune*);
48 void		ds(Rune*, Rune*);
49 int		dv(int);
50 int		e_nop(void);
51 int		e_warn(void);
52 void*	emalloc(uint);
53 void*	erealloc(void*, uint);
54 Rune*	erunesmprint(char*, ...);
55 Rune*	erunestrdup(Rune*);
56 char*	esmprint(char*, ...);
57 char*	estrdup(char*);
58 int		eval(Rune*);
59 int		evalscale(Rune*, int);
60 Rune*	getname(void);
61 int		getnext(void);
62 Rune*	getds(Rune*);
63 Rune*	_getnr(Rune*);
64 int		getnr(Rune*);
65 int		getnrr(Rune*);
66 int		getrune(void);
67 Rune*	getqarg(void);
68 Rune*	getline(void);
69 void		hideihtml(void);
70 void		html(Rune*, Rune*);
71 void		htmlinit(void);
72 void		ihtml(Rune*, Rune*);
73 void		inputnotify(void(*)(void));
74 void		itrap(void);
75 void		itrapset(void);
76 int		linefmt(Fmt*);
77 void		nr(Rune*, int);
78 void		_nr(Rune*, Rune*);
79 void		out(Rune*);
80 void		(*outcb)(Rune);
81 void		outhtml(Rune*);
82 void		outrune(Rune);
83 void		outtrap(void);
84 int		popinput(void);
85 void		printds(int);
86 int		pushinputfile(Rune*);
87 void		pushinputstring(Rune*);
88 int		pushstdin(void);
89 int		queueinputfile(Rune*);
90 int		queuestdin(void);
91 void		r_nop(int, Rune**);
92 void		r_warn(int, Rune**);
93 Rune	*readline(int);
94 void		reitag(void);
95 void		renraw(Rune*, Rune*);
96 void		renreq(Rune*, Rune*);
97 void		run(void);
98 void		runinput(void);
99 int		runmacro(int, int, Rune**);
100 void		runmacro1(Rune*);
101 Rune*	rune2html(Rune);
102 void		setlinenumber(Rune*, int);
103 void		showihtml(void);
104 void		sp(int);
105 void		t1init(void);
106 void		t2init(void);
107 void		t3init(void);
108 void		t4init(void);
109 void		t5init(void);
110 void		t6init(void);
111 void		t7init(void);
112 void		t8init(void);
113 void		t9init(void);
114 void		t10init(void);
115 void		t11init(void);
116 void		t12init(void);
117 void		t13init(void);
118 void		t14init(void);
119 void		t15init(void);
120 void		t16init(void);
121 void		t17init(void);
122 void		t18init(void);
123 void		t19init(void);
124 void		t20init(void);
125 Rune	troff2rune(Rune*);
126 void		unfont(void);
127 void		ungetnext(Rune);
128 void		ungetrune(Rune);
129 void		unitag(void);
130 void		warn(char*, ...);
131 
132 extern	int		backslash;
133 extern	int		bol;
134 extern	Biobuf	bout;
135 extern	int		broke;
136 extern	int		dot;
137 extern	int		inputmode;
138 extern	int		inrequest;
139 extern	int		tick;
140 extern	int		utf8;
141 extern	int		verbose;
142 extern	int		linepos;
143 
144 #define	runemalloc(n)	(Rune*)emalloc((n)*sizeof(Rune))
145 #define	runerealloc(r, n)	(Rune*)erealloc(r, (n)*sizeof(Rune))
146 #define	runemove(a, b, n)	memmove(a, b, (n)*sizeof(Rune))
147 
148 #pragma varargck type "L" void