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154 lines
4.5 KiB
Plaintext
154 lines
4.5 KiB
Plaintext
1File: PREPROC.H Page 1
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1 /*
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2 Copyright 1982
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3 Alcyon Corporation
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4 8716 Production Ave.
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5 San Diego, Ca. 92121
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6 */
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7 #include <stdio.h>
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8 #include <klib.h>
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9 #include "icode.h"
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10 #include "machine.h"
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11 /*cexpr operators*/
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12 #define EOF 0
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13 #define SUB 1
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14 #define ADD 2
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15 #define NOT 3
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16 #define NEG 4
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17 #define LPAREN 5
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18 #define RPAREN 6
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19 #define QMARK 7
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20 #define COLON 8
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21 #define OR 9
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22 #define AND 10
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23 #define XOR 11
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24 #define EQUAL 12
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25 #define NEQUAL 13
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26 #define LESS 14
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27 #define LSEQUAL 15
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28 #define GREAT 16
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29 #define GREQUAL 17
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30 #define LSHIFT 18
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31 #define RSHIFT 19
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32 #define MULT 20
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33 #define DIV 21
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34 #define MOD 22
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35 #define COMPL 23
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36 #define CONST 24
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37 #define LASTOP COMPL /*up to here used by cexpr*/
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38 #define SQUOTE 25
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39 #define DQUOTE 26
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40 #define ANYC 27
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41 #define BADC 28
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42 #define COMMA 29
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43 #define NEWL 30
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44 #define POUND 31
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45 #define ALPHA 32
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46 #define DIGIT 33
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47 #define BSLASH 34
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48 #define WHITE 35
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49 #define BUFSIZE 512
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50 #define LINESIZE 512
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51 #define ARG -1
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52 #define NEWLABEL -2
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53 #define LABEL -3
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54 #define NOARGS -4
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55 #define MAXARGS 60
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56 #define ARGBSIZE 1000
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57 #define TOKSIZE 300 /*BUG 4/20/82 was 128*/
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58 #define DEFSIZE 1024
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59 #define PBSIZE 1000
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1File: PREPROC.H Page 2
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60 #define DEFINE 1
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61 #define UNDEF 2
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62 #define INCLUDE 3
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63 #define IFDEF 4
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64 #define IFNDEF 5
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65 #define ELSE 6
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66 #define ENDIF 7
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67 #define IF 8
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68 #define SKIP 0
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69 #define NOSKIP 1
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70 #define SOH '\01'
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71 #define SSIZE 8
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72 #define HSIZE 517 /* 3.4 made prime */
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73 #define FSTACK 10
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74
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75 #define TRUE 1
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76 #define FALSE 0
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77 #define NDEFS 20
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78
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79 struct symbol {
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80 char s_name[SSIZE];
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81 char *s_def;
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82 } symtab[HSIZE];
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83
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84 /*buffered I/O structure*/
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85 struct ibuf {
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86 int fd;
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87 int nc;
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88 char *bp;
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89 char buffer[BUFSIZE];
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90 } outbuf;
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91
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92 /* command line define structure */
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93 struct defstruc {
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94 char *ptr;
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95 char *value;
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96 } defs[NDEFS];
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97
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98 struct stackstruc { /* [vlh] */
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99 int ifd;
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100 char ifile[13];
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101 int lineno;
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102 struct ibuf inbuf;
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103 } filestack[FSTACK], *filep; /* stack of incl files, ptr to... */
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104
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105 #ifdef BULLSHIT /* Bullshit, bullshit, bullshit!!!*/
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106 #ifdef VERSADOS
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107 #define NONEST 1
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108 #define NOFORKS 1
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109 #endif
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110
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111 #ifdef VMS
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112 #define NONEST 1
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113 #endif
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114
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115 #ifdef NONEST
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116 struct ibuf holdbuf; /* alternate buffer, hold main file info */
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117 #endif
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118 #endif
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1File: PREPROC.H Page 3
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119
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120 int mfail; /*macro error flag*/
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121 int skip; /*skipping current line*/
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122 char *defap; /*pointer to available define area*/
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123 char *defp; /*pointer to next avail define byte*/
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124 int defcount; /*bytes left in define area*/
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125 int defused; /*number of bytes used in define area*/
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126 int defmax; /*maximum define area used*/
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127 int pflag;
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128 int asflag;
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129
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130 /*line to output after macro substitution*/
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131 char line[LINESIZE+2]; /*line buffer*/
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132 char *linep; /*current line pointer*/
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133 int loverflow; /*line overflow flag*/
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134 int lineno;
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135
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136 /*push back buffer*/
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137 char pbbuf[PBSIZE]; /*push back buffer*/
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138 char *pbp; /*push back pointer*/
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139 int pbflag; /*checks for recursive definition*/
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140
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141 char null[]; /*used for undef'd symbols*/
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142
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143 char *lookup();
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144 #ifdef BULLSHIT
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145 char *maketemp();
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146 char *setend();
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147 char *makecopy();
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148 #endif
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149 char *sbrk();
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150 struct symbol *getsp();
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