Work on file usr/c/c0h.c
Synthesized-from: v5
--- /dev/null
+#
+/*
+
+ C compiler-- pass 1 header
+
+ Copyright 1973 Bell Telephone Laboratories, Inc.
+
+*/
+
+/*
+ parameters
+*/
+
+#define ncps 8
+#define hshsiz 200
+#define cmsiz 40
+#define swsiz 200
+#define ncpw 2
+#define ossiz 500
+#define dimsiz 100
+
+#define regtab 0
+#define efftab 1
+#define cctab 2
+#define sptab 3
+
+struct tnode {
+ int op;
+ int type;
+ int dimp;
+ struct tnode *tr1, *tr2;
+};
+
+struct {
+ int op;
+ int type;
+ char ssp; /* subscript list */
+ char lenp; /* structure length */
+};
+
+struct tname {
+ int op;
+ int type;
+ int dimp;
+ int class;
+ int offset;
+ int nloc;
+};
+
+
+struct tconst {
+ int op;
+ int type;
+ int dimp;
+ int value;
+};
+
+struct hshtab {
+ char hclass;
+ char hflag;
+ int htype;
+ int hdimp;
+ int hoffset;
+ char name[ncps];
+};
+
+struct swtab {
+ int swlab;
+ int swval;
+};
+
+char cvtab[];
+int opdope[];
+char ctab[];
+char symbuf[ncps];
+int hshused;
+struct hshtab hshtab[hshsiz];
+int *space;
+int *cp;
+int cmst[cmsiz];
+int isn;
+struct swtab swtab[swsiz];
+struct swtab *swp;
+int contlab;
+int brklab;
+int retlab;
+int deflab;
+int nauto;
+int autolen;
+int peeksym;
+int peekc;
+int eof;
+int line;
+int *treebase;
+int debug;
+struct hshtab *defsym;
+struct hshtab *funcsym;
+int xdflg;
+int proflg;
+struct hshtab *csym;
+int cval;
+double fcval;
+int nchstr;
+int nerror;
+struct hshtab *paraml;
+struct hshtab *parame;
+int strflg;
+int osleft;
+int mosflg;
+int initflg;
+int inhdr;
+int dimtab[dimsiz];
+char binbuf[518];
+int dimp;
+int regvar;
+
+/*
+ operators
+*/
+#define EOF 0
+#define SEMI 1
+#define LBRACE 2
+#define RBRACE 3
+#define LBRACK 4
+#define RBRACK 5
+#define LPARN 6
+#define RPARN 7
+#define COLON 8
+#define COMMA 9
+
+#define KEYW 19
+#define NAME 20
+#define CON 21
+#define STRING 22
+#define FCON 23
+#define SFCON 24
+
+#define SIZEOF 29
+#define INCBEF 30
+#define DECBEF 31
+#define INCAFT 32
+#define DECAFT 33
+#define EXCLA 34
+#define AMPER 35
+#define STAR 36
+#define NEG 37
+#define COMPL 38
+
+#define DOT 39
+#define PLUS 40
+#define MINUS 41
+#define TIMES 42
+#define DIVIDE 43
+#define MOD 44
+#define RSHIFT 45
+#define LSHIFT 46
+#define AND 47
+#define OR 48
+#define EXOR 49
+#define ARROW 50
+#define ITOF 51
+#define FTOI 52
+#define LOGAND 53
+#define LOGOR 54
+
+#define EQUAL 60
+#define NEQUAL 61
+#define LESSEQ 62
+#define LESS 63
+#define GREATEQ 64
+#define GREAT 65
+#define LESSP 66
+#define LESSEQP 67
+#define GREATP 68
+#define GREATQP 69
+
+#define ASPLUS 70
+#define ASMINUS 71
+#define ASTIMES 72
+#define ASDIV 73
+#define ASMOD 74
+#define ASRSH 75
+#define ASLSH 76
+#define ASSAND 77
+#define ASOR 78
+#define ASXOR 79
+#define ASSIGN 80
+
+#define QUEST 90
+#define CALL 100
+#define MCALL 101
+#define JUMP 102
+#define CBRANCH 103
+#define INIT 104
+#define SETREG 105
+#define RFORCE 110
+#define BRANCH 111
+#define LABEL 112
+
+/*
+ types
+*/
+#define INT 0
+#define CHAR 1
+#define FLOAT 2
+#define DOUBLE 3
+#define STRUCT 4
+#define RSTRUCT 5
+#define PTR 010
+#define FUNC 020
+#define ARRAY 030
+
+/*
+ storage classes
+*/
+#define KEYWC 1
+#define MOS 4
+#define AUTO 5
+#define EXTERN 6
+#define STATIC 7
+#define REG 8
+#define STRTAG 9
+#define ARG 10
+#define ARG1 11
+
+/*
+ keywords
+*/
+#define GOTO 10
+#define RETURN 11
+#define IF 12
+#define WHILE 13
+#define ELSE 14
+#define SWITCH 15
+#define CASE 16
+#define BREAK 17
+#define CONTIN 18
+#define DO 19
+#define DEFAULT 20
+#define FOR 21
+
+/*
+ characters
+*/
+#define INSERT 119
+#define PERIOD 120
+#define SQUOTE 121
+#define DQUOTE 122
+#define LETTER 123
+#define DIGIT 124
+#define NEWLN 125
+#define SPACE 126
+#define UNKN 127
+
+/*
+ Flag bits
+*/
+
+#define BINARY 01
+#define LVALUE 02
+#define RELAT 04
+#define ASSGOP 010
+#define LWORD 020
+#define RWORD 040
+#define COMMUTE 0100
+#define RASSOC 0200
+#define LEAF 0400
+
+/*
+ * symbol table flags
+ */
+
+#define FNDEL 1
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