Commit | Line | Data |
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b29560ff TL |
1 | #include "awk.def" |
2 | #include "awk.h" | |
3 | #include "stdio.h" | |
4 | node *ALLOC(n) | |
5 | { node *x; | |
6 | x = (node *)malloc(sizeof(node)+n*sizeof(node *)); | |
7 | if (x == NULL) | |
8 | error(FATAL, "out of space in ALLOC"); | |
9 | return(x); | |
10 | } | |
11 | node *exptostat(a) node *a; | |
12 | { | |
13 | a->ntype = NSTAT; | |
14 | return(a); | |
15 | } | |
16 | node *nullstat; | |
17 | node *node0(a) | |
18 | { node *x; | |
19 | x=ALLOC(0); | |
20 | x->nnext = NULL; | |
21 | x->nobj=a; | |
22 | return(x); | |
23 | } | |
24 | node *node1(a,b) node *b; | |
25 | { node *x; | |
26 | x=ALLOC(1); | |
27 | x->nnext = NULL; | |
28 | x->nobj=a; | |
29 | x->narg[0]=b; | |
30 | return(x); | |
31 | } | |
32 | node *node2(a,b,c) node *b, *c; | |
33 | { node *x; | |
34 | x = ALLOC(2); | |
35 | x->nnext = NULL; | |
36 | x->nobj = a; | |
37 | x->narg[0] = b; | |
38 | x->narg[1] = c; | |
39 | return(x); | |
40 | } | |
41 | node *node3(a,b,c,d) node *b, *c, *d; | |
42 | { node *x; | |
43 | x = ALLOC(3); | |
44 | x->nnext = NULL; | |
45 | x->nobj = a; | |
46 | x->narg[0] = b; | |
47 | x->narg[1] = c; | |
48 | x->narg[2] = d; | |
49 | return(x); | |
50 | } | |
51 | node *node4(a,b,c,d,e) node *b, *c, *d, *e; | |
52 | { node *x; | |
53 | x = ALLOC(4); | |
54 | x->nnext = NULL; | |
55 | x->nobj = a; | |
56 | x->narg[0] = b; | |
57 | x->narg[1] = c; | |
58 | x->narg[2] = d; | |
59 | x->narg[3] = e; | |
60 | return(x); | |
61 | } | |
62 | node *stat3(a,b,c,d) node *b, *c, *d; | |
63 | { node *x; | |
64 | x = node3(a,b,c,d); | |
65 | x->ntype = NSTAT; | |
66 | return(x); | |
67 | } | |
68 | node *op2(a,b,c) node *b, *c; | |
69 | { node *x; | |
70 | x = node2(a,b,c); | |
71 | x->ntype = NEXPR; | |
72 | return(x); | |
73 | } | |
74 | node *op1(a,b) node *b; | |
75 | { node *x; | |
76 | x = node1(a,b); | |
77 | x->ntype = NEXPR; | |
78 | return(x); | |
79 | } | |
80 | node *stat1(a,b) node *b; | |
81 | { node *x; | |
82 | x = node1(a,b); | |
83 | x->ntype = NSTAT; | |
84 | return(x); | |
85 | } | |
86 | node *op3(a,b,c,d) node *b, *c, *d; | |
87 | { node *x; | |
88 | x = node3(a,b,c,d); | |
89 | x->ntype = NEXPR; | |
90 | return(x); | |
91 | } | |
92 | node *stat2(a,b,c) node *b, *c; | |
93 | { node *x; | |
94 | x = node2(a,b,c); | |
95 | x->ntype = NSTAT; | |
96 | return(x); | |
97 | } | |
98 | node *stat4(a,b,c,d,e) node *b, *c, *d, *e; | |
99 | { node *x; | |
100 | x = node4(a,b,c,d,e); | |
101 | x->ntype = NSTAT; | |
102 | return(x); | |
103 | } | |
104 | node *valtonode(a, b) cell *a; | |
105 | { node *x; | |
106 | x = node0(a); | |
107 | x->ntype = NVALUE; | |
108 | x->subtype = b; | |
109 | return(x); | |
110 | } | |
111 | node *genjump(a) | |
112 | { node *x; | |
113 | x = node0(a); | |
114 | x->ntype = NSTAT; | |
115 | return(x); | |
116 | } | |
117 | node *pa2stat(a,b,c) node *a, *b, *c; | |
118 | { node *x; | |
119 | x = node3(paircnt++, a, b, c); | |
120 | x->ntype = NPA2; | |
121 | return(x); | |
122 | } | |
123 | node *linkum(a,b) node *a, *b; | |
124 | { node *c; | |
125 | if(a == NULL) return(b); | |
126 | else if(b == NULL) return(a); | |
127 | for(c=a; c->nnext != NULL; c=c->nnext); | |
128 | c->nnext = b; | |
129 | return(a); | |
130 | } | |
131 | node *genprint() | |
132 | { node *x; | |
133 | x = stat2(PRINT,valtonode(lookup("$record", symtab), CFLD), nullstat); | |
134 | return(x); | |
135 | } |