| 1 | /* Copyright (c) 1979 Regents of the University of California */ |
| 2 | # |
| 3 | /* |
| 4 | * pxp - Pascal execution profiler |
| 5 | * |
| 6 | * Bill Joy UCB |
| 7 | * Version 1.2 January 1979 |
| 8 | */ |
| 9 | |
| 10 | #include "0.h" |
| 11 | #include "tree.h" |
| 12 | |
| 13 | STATIC int constcnt -1; |
| 14 | |
| 15 | /* |
| 16 | * The const declaration part |
| 17 | */ |
| 18 | constbeg(l, cline) |
| 19 | int l, cline; |
| 20 | { |
| 21 | |
| 22 | line = l; |
| 23 | if (nodecl) |
| 24 | printoff(); |
| 25 | puthedr(); |
| 26 | putcm(); |
| 27 | ppnl(); |
| 28 | indent(); |
| 29 | ppkw("const"); |
| 30 | ppgoin(DECL); |
| 31 | constcnt = 0; |
| 32 | setline(cline); |
| 33 | } |
| 34 | |
| 35 | const(cline, cid, cdecl) |
| 36 | int cline; |
| 37 | char *cid; |
| 38 | int *cdecl; |
| 39 | { |
| 40 | |
| 41 | if (constcnt) |
| 42 | putcm(); |
| 43 | setline(cline); |
| 44 | ppitem(); |
| 45 | ppid(cid); |
| 46 | ppsep(" = "); |
| 47 | gconst(cdecl); |
| 48 | ppsep(";"); |
| 49 | constcnt++; |
| 50 | setinfo(cline); |
| 51 | putcml(); |
| 52 | } |
| 53 | |
| 54 | constend() |
| 55 | { |
| 56 | |
| 57 | if (constcnt == -1) |
| 58 | return; |
| 59 | if (nodecl) |
| 60 | return; |
| 61 | if (constcnt == 0) |
| 62 | ppid("{const decls}"); |
| 63 | ppgoout(DECL); |
| 64 | constcnt = -1; |
| 65 | } |
| 66 | |
| 67 | /* |
| 68 | * A constant in an expression |
| 69 | * or a declaration. |
| 70 | */ |
| 71 | gconst(r) |
| 72 | int *r; |
| 73 | { |
| 74 | register *cn; |
| 75 | |
| 76 | cn = r; |
| 77 | loop: |
| 78 | if (cn == NIL) { |
| 79 | ppid("{constant}"); |
| 80 | return; |
| 81 | } |
| 82 | switch (cn[0]) { |
| 83 | default: |
| 84 | panic("gconst"); |
| 85 | case T_PLUSC: |
| 86 | ppop("+"); |
| 87 | cn = cn[1]; |
| 88 | goto loop; |
| 89 | case T_MINUSC: |
| 90 | ppop("-"); |
| 91 | cn = cn[1]; |
| 92 | goto loop; |
| 93 | case T_ID: |
| 94 | ppid(cn[1]); |
| 95 | return; |
| 96 | case T_CBINT: |
| 97 | case T_CINT: |
| 98 | case T_CFINT: |
| 99 | ppnumb(cn[1]); |
| 100 | if (cn[0] == T_CBINT) |
| 101 | ppsep("b"); |
| 102 | return; |
| 103 | case T_CSTRNG: |
| 104 | ppstr(cn[1]); |
| 105 | return; |
| 106 | } |
| 107 | } |