mirror of
https://github.com/nzp-team/fteqw.git
synced 2024-11-27 14:12:25 +00:00
d4d365175d
git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@1448 fc73d0e0-1445-4013-8a0c-d673dee63da5
1115 lines
24 KiB
C
1115 lines
24 KiB
C
#define PROGSUSED
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#include "progsint.h"
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//#include "editor.h"
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#define HunkAlloc BADGDFG sdfhhsf FHS
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#define Host_Error Sys_Error
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//=============================================================================
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/*
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=================
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PR_PrintStatement
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=================
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*/
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void PR_PrintStatement (progfuncs_t *progfuncs, dstatement16_t *s)
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{
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int i;
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printf("PR_PrintStatement is unsupported\n");
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return;
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if ( (unsigned)s->op < OP_NUMOPS)
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{
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printf ("%s ", pr_opcodes[s->op].name);
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i = strlen(pr_opcodes[s->op].name);
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for ( ; i<10 ; i++)
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printf (" ");
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}
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if (s->op == OP_IF || s->op == OP_IFNOT)
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printf ("%sbranch %i",PR_GlobalString(progfuncs, s->a),s->b);
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else if (s->op == OP_GOTO)
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{
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printf ("branch %i",s->a);
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}
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else if ( (unsigned)(s->op - OP_STORE_F) < 6)
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{
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printf ("%s",PR_GlobalString(progfuncs, s->a));
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printf ("%s", PR_GlobalStringNoContents(progfuncs, s->b));
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}
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else
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{
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if (s->a)
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printf ("%s",PR_GlobalString(progfuncs, s->a));
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if (s->b)
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printf ("%s",PR_GlobalString(progfuncs, s->b));
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if (s->c)
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printf ("%s", PR_GlobalStringNoContents(progfuncs, s->c));
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}
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printf ("\n");
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}
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/*
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============
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PR_StackTrace
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============
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*/
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char *QC_ucase(char *str)
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{
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static char s[1024];
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strcpy(s, str);
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str = s;
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while(*str)
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{
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if (*str >= 'a' && *str <= 'z')
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*str = *str - 'a' + 'A';
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str++;
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}
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return s;
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}
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void PR_StackTrace (progfuncs_t *progfuncs)
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{
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dfunction_t *f;
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int i;
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int progs;
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#ifdef STACKTRACE
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int arg;
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int *globalbase;
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#endif
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progs = -1;
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if (pr_depth == 0)
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{
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printf ("<NO STACK>\n");
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return;
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}
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#ifdef STACKTRACE
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globalbase = (int *)pr_globals + pr_xfunction->parm_start - pr_xfunction->locals;
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#endif
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pr_stack[pr_depth].f = pr_xfunction;
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for (i=pr_depth ; i>0 ; i--)
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{
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f = pr_stack[i].f;
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if (!f)
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{
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printf ("<NO FUNCTION>\n");
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}
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else
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{
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if (pr_stack[i].progsnum != progs)
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{
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progs = pr_stack[i].progsnum;
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printf ("<%s>\n", pr_progstate[progs].filename);
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}
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if (!f->s_file)
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printf ("stripped : %s\n", f->s_name+progfuncs->stringtable);
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else
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printf ("%12s : %s\n", f->s_file+progfuncs->stringtable, f->s_name+progfuncs->stringtable);
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#ifdef STACKTRACE
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for (arg = 0; arg < f->locals; arg++)
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{
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ddef16_t *local;
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local = ED_GlobalAtOfs16(progfuncs, f->parm_start+arg);
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if (!local)
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{
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printf(" ofs %i: %f : %i\n", f->parm_start+arg, *(float *)(globalbase - f->locals+arg), *(int *)(globalbase - f->locals+arg) );
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}
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else
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{
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printf(" %s: %s\n", local->s_name+progfuncs->stringtable, PR_ValueString(progfuncs, local->type, (eval_t*)(globalbase - f->locals+arg)));
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if (local->type == ev_vector)
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arg+=2;
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}
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}
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if (i == pr_depth)
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globalbase = localstack + localstack_used;
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else
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globalbase -= f->locals;
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#endif
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}
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}
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}
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/*
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============
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PR_Profile_f
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============
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*/
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/*
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void PR_Profile_f (void)
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{
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dfunction_t *f, *best;
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int max;
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int num;
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unsigned int i;
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num = 0;
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do
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{
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max = 0;
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best = NULL;
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for (i=0 ; i<pr_progs->numfunctions ; i++)
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{
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f = &pr_functions[i];
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if (f->profile > max && f->first_statement >=0)
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{
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max = f->profile;
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best = f;
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}
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}
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if (best)
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{
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if (num < 10)
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printf ("%7i %s\n", best->profile, best->s_name);
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num++;
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best->profile = 0;
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}
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} while (best);
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}
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*/
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/*
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============
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PR_RunError
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Aborts the currently executing function
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============
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*/
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void VARGS PR_RunError (progfuncs_t *progfuncs, char *error, ...)
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{
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va_list argptr;
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char string[1024];
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va_start (argptr,error);
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Q_vsnprintf (string,sizeof(string)-1, error,argptr);
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va_end (argptr);
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{
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void SV_EndRedirect (void);
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SV_EndRedirect();
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}
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// PR_PrintStatement (pr_statements + pr_xstatement);
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PR_StackTrace (progfuncs);
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printf ("\n");
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//editbadfile(pr_strings + pr_xfunction->s_file, -1);
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// pr_depth = 0; // dump the stack so host_error can shutdown functions
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// prinst->exitdepth = 0;
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Abort ("%s", string);
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}
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/*
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============================================================================
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PR_ExecuteProgram
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The interpretation main loop
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============================================================================
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*/
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/*
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====================
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PR_EnterFunction
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Returns the new program statement counter
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====================
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*/
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void PR_AbortStack (progfuncs_t *progfuncs);
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int PR_EnterFunction (progfuncs_t *progfuncs, dfunction_t *f, int progsnum)
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{
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int i, j, c, o;
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pr_stack[pr_depth].s = pr_xstatement;
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pr_stack[pr_depth].f = pr_xfunction;
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pr_stack[pr_depth].progsnum = progsnum;
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pr_stack[pr_depth].pushed = pr_spushed;
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pr_depth++;
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if (pr_depth == MAX_STACK_DEPTH)
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{
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pr_depth--;
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PR_StackTrace (progfuncs);
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printf ("stack overflow on call to %s\n", progfuncs->stringtable+f->s_name);
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//comment this out if you want the progs to try to continue anyway (could cause infinate loops)
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PR_AbortStack(progfuncs);
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Abort("Stack Overflow in %s\n", progfuncs->stringtable+f->s_name);
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return pr_xstatement;
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}
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localstack_used += pr_spushed; //make sure the call doesn't hurt pushed pointers
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// save off any locals that the new function steps on (to a side place, fromwhere they are restored on exit)
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c = f->locals;
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if (localstack_used + c > LOCALSTACK_SIZE)
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{
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localstack_used -= pr_spushed;
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pr_depth--;
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PR_RunError (progfuncs, "PR_ExecuteProgram: locals stack overflow\n");
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}
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for (i=0 ; i < c ; i++)
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localstack[localstack_used+i] = ((int *)pr_globals)[f->parm_start + i];
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localstack_used += c;
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// copy parameters (set initial values)
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o = f->parm_start;
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for (i=0 ; i<f->numparms ; i++)
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{
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for (j=0 ; j<f->parm_size[i] ; j++)
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{
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((int *)pr_globals)[o] = ((int *)pr_globals)[OFS_PARM0+i*3+j];
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o++;
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}
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}
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pr_xfunction = f;
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return f->first_statement - 1; // offset the s++
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}
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/*
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====================
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PR_LeaveFunction
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====================
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*/
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int PR_LeaveFunction (progfuncs_t *progfuncs)
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{
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int i, c;
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if (pr_depth <= 0)
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Sys_Error ("prog stack underflow");
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// restore locals from the stack
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c = pr_xfunction->locals;
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localstack_used -= c;
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if (localstack_used < 0)
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PR_RunError (progfuncs, "PR_ExecuteProgram: locals stack underflow\n");
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for (i=0 ; i < c ; i++)
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((int *)pr_globals)[pr_xfunction->parm_start + i] = localstack[localstack_used+i];
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// up stack
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pr_depth--;
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PR_MoveParms(progfuncs, pr_stack[pr_depth].progsnum, pr_typecurrent);
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PR_SwitchProgs(progfuncs, pr_stack[pr_depth].progsnum);
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pr_xfunction = pr_stack[pr_depth].f;
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pr_spushed = pr_stack[pr_depth].pushed;
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localstack_used -= pr_spushed;
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return pr_stack[pr_depth].s;
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}
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ddef32_t *ED_FindLocalOrGlobal(progfuncs_t *progfuncs, char *name, eval_t **val)
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{
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static ddef32_t def;
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ddef32_t *def32;
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ddef16_t *def16;
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int i;
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switch (pr_progstate[pr_typecurrent].intsize)
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{
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case 16:
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case 24:
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//this gets parms fine, but not locals
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if (pr_xfunction)
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for (i = 0; i < pr_xfunction->numparms; i++)
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{
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def16 = ED_GlobalAtOfs16(progfuncs, pr_xfunction->parm_start+i);
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if (!def16)
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continue;
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if (!strcmp(def16->s_name+progfuncs->stringtable, name))
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{
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*val = (eval_t *)&pr_progstate[pr_typecurrent].globals[pr_xfunction->parm_start+i];
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//we need something like this for functions that are not the top layer
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// *val = (eval_t *)&localstack[localstack_used-pr_xfunction->numparms*4];
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def.ofs = def16->ofs;
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def.s_name = def16->s_name;
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def.type = def16->type;
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return &def;
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}
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}
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def16 = ED_FindGlobal16(progfuncs, name);
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if (!def16)
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return NULL;
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def.ofs = def16->ofs;
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def.type = def16->type;
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def.s_name = def16->s_name;
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def32 = &def;
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break;
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case 32:
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//this gets parms fine, but not locals
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if (pr_xfunction)
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for (i = 0; i < pr_xfunction->numparms; i++)
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{
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def32 = ED_GlobalAtOfs32(progfuncs, pr_xfunction->parm_start+i);
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if (!def32)
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continue;
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if (!strcmp(def32->s_name+progfuncs->stringtable, name))
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{
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*val = (eval_t *)&pr_progstate[pr_typecurrent].globals[pr_xfunction->parm_start+i];
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//we need something like this for functions that are not the top layer
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// *val = (eval_t *)&localstack[localstack_used-pr_xfunction->numparms*4];
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return def32;
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}
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}
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def32 = ED_FindGlobal32(progfuncs, name);
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if (!def32)
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return NULL;
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break;
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default:
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Sys_Error("Bad int size in ED_FindLocalOrGlobal");
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def32 = NULL;
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}
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*val = (eval_t *)&pr_progstate[pr_typecurrent].globals[def32->ofs];
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return &def;
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}
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char *COM_TrimString(char *str)
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{
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int i;
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static char buffer[256];
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while (*str <= ' ' && *str>'\0')
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str++;
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for (i = 0; i < 255; i++)
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{
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if (*str <= ' ')
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break;
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buffer[i] = *str++;
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}
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buffer[i] = '\0';
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return buffer;
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}
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char *EvaluateDebugString(progfuncs_t *progfuncs, char *key)
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{
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static char buf[256];
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char *c, *c2;
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ddef32_t *def;
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fdef_t *fdef;
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eval_t *val;
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char *assignment;
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int type;
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assignment = strchr(key, '=');
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if (assignment)
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*assignment = '\0';
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c = strchr(key, '.');
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if (c) *c = '\0';
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def = ED_FindLocalOrGlobal(progfuncs, key, &val);
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if (c) *c = '.';
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if (!def)
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{
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return "(Bad string)";
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}
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//go through ent vars
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c = strchr(key, '.');
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while(c)
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{
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c2 = c+1;
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c = strchr(c2, '.');
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type = def->type &~DEF_SAVEGLOBAL;
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if (current_progstate->types)
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type = current_progstate->types[type].type;
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if (type != ev_entity)
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return "'.' without entity";
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if (c)*c = '\0';
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fdef = ED_FindField(progfuncs, COM_TrimString(c2));
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if (c)*c = '.';
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if (!fdef)
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return "(Bad string)";
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val = (eval_t *) (((char *)PROG_TO_EDICT(progfuncs, val->_int)->fields) + fdef->ofs*4);
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def->type = fdef->type;
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}
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if (assignment)
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{
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assignment++;
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switch (def->type&~DEF_SAVEGLOBAL)
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{
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case ev_string:
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*(string_t *)val = ED_NewString (progfuncs, assignment, 0)-progfuncs->stringtable;
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break;
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case ev_float:
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*(float *)val = (float)atof (assignment);
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break;
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case ev_integer:
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*(int *)val = atoi (assignment);
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break;
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/* case ev_vector:
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strcpy (string, assignment);
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v = string;
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w = string;
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for (i=0 ; i<3 ; i++)
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{
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while (*v && *v != ' ')
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v++;
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*v = 0;
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((float *)d)[i] = (float)atof (w);
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w = v = v+1;
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}
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break;
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*/
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case ev_entity:
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*(int *)val = EDICT_TO_PROG(progfuncs, EDICT_NUM(progfuncs, atoi (assignment)));
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break;
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case ev_field:
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fdef = ED_FindField (progfuncs, assignment);
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if (!fdef)
|
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{
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sprintf(buf, "Can't find field %s\n", assignment);
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return buf;
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}
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*(int *)val = G_INT(fdef->ofs);
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break;
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/*
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case ev_function:
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if (s[1]==':'&&s[2]=='\0')
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{
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*(func_t *)val = 0;
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return true;
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}
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func = ED_FindFunction (assignment, &i, -1);
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if (!func)
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{
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printf ("Can't find function %s\n", assignment);
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return false;
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}
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*(func_t *)val = (func - pr_progstate[i].functions) | (i<<24);
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break;
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*/
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default:
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break;
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}
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}
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strcpy(buf, PR_ValueString(progfuncs, def->type, val));
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return buf;
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}
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int debugstatement;
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//int EditorHighlightLine(window_t *wnd, int line);
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void SetExecutionToLine(progfuncs_t *progfuncs, int linenum)
|
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{
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int pn = pr_typecurrent;
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int snum;
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dfunction_t *f = pr_xfunction;
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switch(current_progstate->intsize)
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{
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case 16:
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for (snum = f->first_statement; pr_progstate[pn].linenums[snum] < linenum; snum++)
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{
|
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if (pr_statements16[snum].op == OP_DONE)
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return;
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}
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break;
|
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case 24:
|
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case 32:
|
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for (snum = f->first_statement; pr_progstate[pn].linenums[snum] < linenum; snum++)
|
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{
|
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if (pr_statements32[snum].op == OP_DONE)
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return;
|
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}
|
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break;
|
|
default:
|
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Sys_Error("Bad intsize");
|
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snum = 0;
|
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}
|
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debugstatement = snum;
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// EditorHighlightLine(editwnd, pr_progstate[pn].linenums[snum]);
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}
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|
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//0 clear. 1 set, 2 toggle, 3 check
|
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int PR_ToggleBreakpoint(progfuncs_t *progfuncs, char *filename, int linenum, int flag) //write alternate route to work by function name.
|
|
{
|
|
int ret=0;
|
|
unsigned int fl;
|
|
unsigned int i;
|
|
int pn = pr_typecurrent;
|
|
dfunction_t *f;
|
|
int op;
|
|
|
|
for (pn = 0; (unsigned)pn < maxprogs; pn++)
|
|
{
|
|
if (!pr_progstate || !pr_progstate[pn].progs)
|
|
continue;
|
|
|
|
if (linenum) //linenum is set means to set the breakpoint on a file and line
|
|
{
|
|
if (!pr_progstate[pn].linenums)
|
|
continue;
|
|
|
|
for (f = pr_progstate[pn].functions, fl = 0; fl < pr_progstate[pn].progs->numfunctions; f++, fl++)
|
|
{
|
|
if (!stricmp(f->s_file+progfuncs->stringtable, filename))
|
|
{
|
|
for (i = f->first_statement; ; i++)
|
|
{
|
|
if (pr_progstate[pn].linenums[i] >= linenum)
|
|
{
|
|
fl = pr_progstate[pn].linenums[i];
|
|
for (; ; i++)
|
|
{
|
|
if ((unsigned int)pr_progstate[pn].linenums[i] > fl)
|
|
break;
|
|
|
|
switch(pr_progstate[pn].intsize)
|
|
{
|
|
case 16:
|
|
op = ((dstatement16_t*)pr_progstate[pn].statements + i)->op;
|
|
break;
|
|
case 24:
|
|
case 32:
|
|
op = ((dstatement32_t*)pr_progstate[pn].statements + i)->op;
|
|
break;
|
|
default:
|
|
Sys_Error("Bad intsize");
|
|
op = 0;
|
|
}
|
|
switch (flag)
|
|
{
|
|
default:
|
|
if (op & 0x8000)
|
|
{
|
|
op &= ~0x8000;
|
|
ret = false;
|
|
flag = 0;
|
|
}
|
|
else
|
|
{
|
|
op |= 0x8000;
|
|
ret = true;
|
|
flag = 1;
|
|
}
|
|
break;
|
|
case 0:
|
|
op &= ~0x8000;
|
|
ret = false;
|
|
break;
|
|
case 1:
|
|
op |= 0x8000;
|
|
ret = true;
|
|
break;
|
|
case 3:
|
|
if (op & 0x8000)
|
|
return true;
|
|
}
|
|
switch(pr_progstate[pn].intsize)
|
|
{
|
|
case 16:
|
|
((dstatement16_t*)pr_progstate[pn].statements + i)->op = op;
|
|
break;
|
|
case 24:
|
|
case 32:
|
|
((dstatement32_t*)pr_progstate[pn].statements + i)->op = op;
|
|
break;
|
|
default:
|
|
Sys_Error("Bad intsize");
|
|
op = 0;
|
|
}
|
|
}
|
|
goto cont;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else //set the breakpoint on the first statement of the function specified.
|
|
{
|
|
for (f = pr_progstate[pn].functions, fl = 0; fl < pr_progstate[pn].progs->numfunctions; f++, fl++)
|
|
{
|
|
if (!strcmp(f->s_name+progfuncs->stringtable, filename))
|
|
{
|
|
i = f->first_statement;
|
|
switch(pr_progstate[pn].intsize)
|
|
{
|
|
case 16:
|
|
op = ((dstatement16_t*)pr_progstate[pn].statements + i)->op;
|
|
break;
|
|
case 24:
|
|
case 32:
|
|
op = ((dstatement32_t*)pr_progstate[pn].statements + i)->op;
|
|
break;
|
|
default:
|
|
Sys_Error("Bad intsize");
|
|
}
|
|
switch (flag)
|
|
{
|
|
default:
|
|
if (op & 0x8000)
|
|
{
|
|
op &= ~0x8000;
|
|
ret = false;
|
|
flag = 0;
|
|
}
|
|
else
|
|
{
|
|
op |= 0x8000;
|
|
ret = true;
|
|
flag = 1;
|
|
}
|
|
break;
|
|
case 0:
|
|
op &= ~0x8000;
|
|
ret = false;
|
|
break;
|
|
case 1:
|
|
op |= 0x8000;
|
|
ret = true;
|
|
break;
|
|
case 3:
|
|
if (op & 0x8000)
|
|
return true;
|
|
}
|
|
switch(pr_progstate[pn].intsize)
|
|
{
|
|
case 16:
|
|
((dstatement16_t*)pr_progstate[pn].statements + i)->op = op;
|
|
break;
|
|
case 24:
|
|
case 32:
|
|
((dstatement32_t*)pr_progstate[pn].statements + i)->op = op;
|
|
break;
|
|
default:
|
|
Sys_Error("Bad intsize");
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
cont:
|
|
continue;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
int ShowStep(progfuncs_t *progfuncs, int statement)
|
|
{
|
|
// return statement;
|
|
// texture realcursortex;
|
|
static int lastline = 0;
|
|
static char *lastfile = 0;
|
|
|
|
int pn = pr_typecurrent;
|
|
int i;
|
|
dfunction_t *f = pr_xfunction;
|
|
|
|
if (f && pr_progstate[pn].linenums && externs->useeditor)
|
|
{
|
|
if (lastline == pr_progstate[pn].linenums[statement] && lastfile == f->s_file+progfuncs->stringtable)
|
|
return statement; //no info/same line as last time
|
|
|
|
lastline = pr_progstate[pn].linenums[statement];
|
|
lastfile = f->s_file+progfuncs->stringtable;
|
|
|
|
lastline = externs->useeditor(progfuncs, lastfile, lastline, 0, NULL);
|
|
|
|
if (pr_progstate[pn].linenums[statement] != lastline)
|
|
{
|
|
for (i = f->first_statement; ; i++)
|
|
{
|
|
if (lastline == pr_progstate[pn].linenums[i])
|
|
{
|
|
return i;
|
|
}
|
|
else if (lastline <= pr_progstate[pn].linenums[i])
|
|
{
|
|
return statement;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else if (f) //annoying.
|
|
{
|
|
if (externs->useeditor)
|
|
externs->useeditor(progfuncs, f->s_file+progfuncs->stringtable, -1, 0, NULL);
|
|
return statement;
|
|
}
|
|
|
|
|
|
return statement;
|
|
}
|
|
|
|
//DMW: all pointer functions are modified to be absoloute pointers from NULL not sv_edicts
|
|
/*
|
|
====================
|
|
PR_ExecuteProgram
|
|
====================
|
|
*/
|
|
void PR_ExecuteCode (progfuncs_t *progfuncs, int s)
|
|
{
|
|
eval_t *t, *swtch=NULL;
|
|
|
|
int swtchtype;
|
|
dstatement16_t *st16;
|
|
dstatement32_t *st32;
|
|
dfunction_t *newf;
|
|
int runaway;
|
|
int i;
|
|
int p;
|
|
edictrun_t *ed;
|
|
eval_t *ptr;
|
|
|
|
float *glob;
|
|
|
|
int fnum = pr_xfunction - pr_functions;
|
|
|
|
runaway = 1000000;
|
|
|
|
prinst->continuestatement = -1;
|
|
|
|
#define PRBOUNDSCHECK
|
|
#define RUNAWAYCHECK() \
|
|
if (!--runaway) \
|
|
{ \
|
|
pr_xstatement = st-pr_statements; \
|
|
PR_StackTrace(progfuncs); \
|
|
printf ("runaway loop error"); \
|
|
while(pr_depth > prinst->exitdepth) \
|
|
PR_LeaveFunction(progfuncs); \
|
|
pr_spushed = 0; \
|
|
return; \
|
|
}
|
|
|
|
#define OPA ((eval_t *)&glob[st->a])
|
|
#define OPB ((eval_t *)&glob[st->b])
|
|
#define OPC ((eval_t *)&glob[st->c])
|
|
|
|
restart: //jumped to when the progs might have changed.
|
|
glob = pr_globals;
|
|
switch (current_progstate->intsize)
|
|
{
|
|
case 16:
|
|
#define INTSIZE 16
|
|
st16 = &pr_statements16[s];
|
|
while (pr_trace)
|
|
{
|
|
#define DEBUGABLE
|
|
#include "execloop16d.h"
|
|
#undef DEBUGABLE
|
|
}
|
|
|
|
while(1)
|
|
{
|
|
#include "execloop.h"
|
|
}
|
|
#undef INTSIZE
|
|
Sys_Error("PR_ExecuteProgram - should be unreachable");
|
|
break;
|
|
case 24:
|
|
case 32:
|
|
#define INTSIZE 32
|
|
st32 = &pr_statements32[s];
|
|
while (pr_trace)
|
|
{
|
|
#define DEBUGABLE
|
|
#include "execloop32d.h"
|
|
#undef DEBUGABLE
|
|
}
|
|
|
|
while(1)
|
|
{
|
|
#include "execloop32.h"
|
|
}
|
|
#undef INTSIZE
|
|
Sys_Error("PR_ExecuteProgram - should be unreachable");
|
|
break;
|
|
default:
|
|
Sys_Error("PR_ExecuteProgram - bad intsize");
|
|
}
|
|
}
|
|
|
|
|
|
void PR_ExecuteProgram (progfuncs_t *progfuncs, func_t fnum)
|
|
{
|
|
dfunction_t *f;
|
|
int i;
|
|
unsigned int initial_progs;
|
|
int oldexitdepth;
|
|
|
|
int s;
|
|
|
|
unsigned int newprogs = (fnum & 0xff000000)>>24;
|
|
|
|
initial_progs = pr_typecurrent;
|
|
if (newprogs != initial_progs)
|
|
{
|
|
if (newprogs >= maxprogs || !&pr_progstate[newprogs].globals) //can happen with hexen2...
|
|
{
|
|
printf("PR_ExecuteProgram: tried branching into invalid progs\n");
|
|
return;
|
|
}
|
|
PR_MoveParms(progfuncs, newprogs, pr_typecurrent);
|
|
PR_SwitchProgs(progfuncs, newprogs);
|
|
}
|
|
|
|
if (!(fnum & ~0xff000000) || (signed)(fnum & ~0xff000000) >= pr_progs->numfunctions)
|
|
{
|
|
// if (pr_global_struct->self)
|
|
// ED_Print (PROG_TO_EDICT(pr_global_struct->self));
|
|
printf("PR_ExecuteProgram: NULL function from exe\n");
|
|
// Host_Error ("PR_ExecuteProgram: NULL function from exe");
|
|
|
|
// PR_MoveParms(0, pr_typecurrent);
|
|
PR_SwitchProgs(progfuncs, initial_progs);
|
|
return;
|
|
}
|
|
|
|
oldexitdepth = prinst->exitdepth;
|
|
|
|
f = &pr_functions[fnum & ~0xff000000];
|
|
|
|
if (f->first_statement < 0)
|
|
{ // negative statements are built in functions
|
|
i = -f->first_statement;
|
|
|
|
if (i < externs->numglobalbuiltins)
|
|
(*externs->globalbuiltins[i]) (progfuncs, (struct globalvars_s *)current_progstate->globals);
|
|
else
|
|
{
|
|
i -= externs->numglobalbuiltins;
|
|
if (i > current_progstate->numbuiltins)
|
|
{
|
|
printf ("Bad builtin call number %i (from exe)\n", -f->first_statement);
|
|
// PR_MoveParms(p, pr_typecurrent);
|
|
PR_SwitchProgs(progfuncs, initial_progs);
|
|
return;
|
|
}
|
|
current_progstate->builtins [i] (progfuncs, (struct globalvars_s *)current_progstate->globals);
|
|
}
|
|
PR_MoveParms(progfuncs, initial_progs, pr_typecurrent);
|
|
PR_SwitchProgs(progfuncs, initial_progs);
|
|
return;
|
|
}
|
|
|
|
if (pr_trace)
|
|
pr_trace--;
|
|
|
|
// make a stack frame
|
|
prinst->exitdepth = pr_depth;
|
|
|
|
s = PR_EnterFunction (progfuncs, f, initial_progs);
|
|
|
|
PR_ExecuteCode(progfuncs, s);
|
|
|
|
|
|
PR_MoveParms(progfuncs, initial_progs, pr_typecurrent);
|
|
PR_SwitchProgs(progfuncs, initial_progs);
|
|
|
|
prinst->exitdepth = oldexitdepth;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
typedef struct {
|
|
int fnum;
|
|
int progsnum;
|
|
int statement;
|
|
} qcthreadstack_t;
|
|
typedef struct qcthread_s {
|
|
int fstackdepth;
|
|
qcthreadstack_t fstack[MAX_STACK_DEPTH];
|
|
int lstackused;
|
|
int lstack[LOCALSTACK_SIZE];
|
|
int xstatement;
|
|
int xfunction;
|
|
progsnum_t xprogs;
|
|
} qcthread_t;
|
|
|
|
struct qcthread_s *PR_ForkStack(progfuncs_t *progfuncs)
|
|
{ //QC code can call builtins that call qc code.
|
|
//to get around the problems of restoring the builtins we simply don't save the thread over the builtin.
|
|
int i, l;
|
|
int ed = prinst->exitdepth;
|
|
int localsoffset, baselocalsoffset;
|
|
qcthread_t *thread = memalloc(sizeof(qcthread_t));
|
|
dfunction_t *f;
|
|
|
|
//copy out the functions stack.
|
|
for (i = 0,localsoffset=0; i < ed; i++)
|
|
{
|
|
if (i+1 == pr_depth)
|
|
f = pr_xfunction;
|
|
else
|
|
f = pr_stack[i+1].f;
|
|
localsoffset += f->locals; //this is where it crashes
|
|
}
|
|
baselocalsoffset = localsoffset;
|
|
for (i = ed; i < pr_depth; i++)
|
|
{
|
|
thread->fstack[i-ed].fnum = pr_stack[i].f - pr_progstate[pr_stack[i].progsnum].functions;
|
|
thread->fstack[i-ed].progsnum = pr_stack[i].progsnum;
|
|
thread->fstack[i-ed].statement = pr_stack[i].s;
|
|
|
|
if (i+1 == pr_depth)
|
|
f = pr_xfunction;
|
|
else
|
|
f = pr_stack[i+1].f;
|
|
localsoffset += f->locals;
|
|
}
|
|
thread->fstackdepth = pr_depth - ed;
|
|
|
|
for (i = pr_depth - 1; i >= ed ; i--)
|
|
{
|
|
if (i+1 == pr_depth)
|
|
f = pr_xfunction;
|
|
else
|
|
f = pr_stack[i+1].f;
|
|
localsoffset -= f->locals;
|
|
for (l = 0; l < f->locals; l++)
|
|
{
|
|
thread->lstack[localsoffset-baselocalsoffset + l ] = ((int *)pr_globals)[f->parm_start + l];
|
|
((int *)pr_globals)[f->parm_start + l] = localstack[localsoffset+l]; //copy the old value into the globals (so the older functions have the correct locals.
|
|
}
|
|
}
|
|
|
|
for (i = ed; i < pr_depth ; i++) //we need to get the locals back to how they were.
|
|
{
|
|
if (i+1 == pr_depth)
|
|
f = pr_xfunction;
|
|
else
|
|
f = pr_stack[i+1].f;
|
|
|
|
for (l = 0; l < f->locals; l++)
|
|
{
|
|
((int *)pr_globals)[f->parm_start + l] = thread->lstack[localsoffset-baselocalsoffset + l];
|
|
}
|
|
localsoffset += f->locals;
|
|
}
|
|
thread->lstackused = localsoffset - baselocalsoffset;
|
|
|
|
thread->xstatement = pr_xstatement;
|
|
thread->xfunction = pr_xfunction - pr_progstate[pr_typecurrent].functions;
|
|
thread->xprogs = pr_typecurrent;
|
|
|
|
return thread;
|
|
}
|
|
|
|
void PR_ResumeThread (progfuncs_t *progfuncs, struct qcthread_s *thread)
|
|
{
|
|
dfunction_t *f, *oldf;
|
|
int i,l,ls;
|
|
progsnum_t initial_progs;
|
|
int oldexitdepth;
|
|
|
|
int s;
|
|
|
|
progsnum_t prnum = thread->xprogs;
|
|
int fnum = thread->xfunction;
|
|
|
|
if (localstack_used + thread->lstackused > LOCALSTACK_SIZE)
|
|
PR_RunError(progfuncs, "Too many locals on resumtion of QC thread\n");
|
|
|
|
if (pr_depth + thread->fstackdepth > MAX_STACK_DEPTH)
|
|
PR_RunError(progfuncs, "Too large stack on resumtion of QC thread\n");
|
|
|
|
|
|
//do progs switching stuff as appropriate. (fteqw only)
|
|
initial_progs = pr_typecurrent;
|
|
PR_MoveParms(progfuncs, prnum, pr_typecurrent);
|
|
PR_SwitchProgs(progfuncs, prnum);
|
|
|
|
|
|
oldexitdepth = prinst->exitdepth;
|
|
prinst->exitdepth = pr_depth;
|
|
|
|
ls = 0;
|
|
//add on the callstack.
|
|
for (i = 0; i < thread->fstackdepth; i++)
|
|
{
|
|
if (pr_depth == prinst->exitdepth)
|
|
{
|
|
pr_stack[pr_depth].f = pr_xfunction;
|
|
pr_stack[pr_depth].s = pr_xstatement;
|
|
pr_stack[pr_depth].progsnum = initial_progs;
|
|
}
|
|
else
|
|
{
|
|
pr_stack[pr_depth].progsnum = thread->fstack[i].progsnum;
|
|
pr_stack[pr_depth].f = pr_progstate[thread->fstack[i].progsnum].functions + thread->fstack[i].fnum;
|
|
pr_stack[pr_depth].s = thread->fstack[i].statement;
|
|
}
|
|
|
|
if (i+1 == thread->fstackdepth)
|
|
f = &pr_functions[fnum];
|
|
else
|
|
f = pr_progstate[thread->fstack[i+1].progsnum].functions + thread->fstack[i+1].fnum;
|
|
for (l = 0; l < f->locals; l++)
|
|
{
|
|
localstack[localstack_used++] = ((int *)pr_globals)[f->parm_start + l];
|
|
((int *)pr_globals)[f->parm_start + l] = thread->lstack[ls++];
|
|
}
|
|
|
|
pr_depth++;
|
|
}
|
|
|
|
if (ls != thread->lstackused)
|
|
PR_RunError(progfuncs, "Thread stores incorrect locals count\n");
|
|
|
|
|
|
f = &pr_functions[fnum];
|
|
|
|
// thread->lstackused -= f->locals; //the current function is the odd one out.
|
|
|
|
//add on the locals stack
|
|
memcpy(localstack+localstack_used, thread->lstack, sizeof(int)*thread->lstackused);
|
|
localstack_used += thread->lstackused;
|
|
|
|
//bung the locals of the current function on the stack.
|
|
// for (i=0 ; i < f->locals ; i++)
|
|
// ((int *)pr_globals)[f->parm_start + i] = 0xff00ff00;//thread->lstack[thread->lstackused+i];
|
|
|
|
|
|
// PR_EnterFunction (progfuncs, f, initial_progs);
|
|
oldf = pr_xfunction;
|
|
pr_xfunction = f;
|
|
s = thread->xstatement;
|
|
|
|
PR_ExecuteCode(progfuncs, s);
|
|
|
|
|
|
PR_MoveParms(progfuncs, initial_progs, pr_typecurrent);
|
|
PR_SwitchProgs(progfuncs, initial_progs);
|
|
|
|
prinst->exitdepth = oldexitdepth;
|
|
pr_xfunction = oldf;
|
|
}
|
|
|
|
void PR_AbortStack (progfuncs_t *progfuncs)
|
|
{
|
|
while(pr_depth > prinst->exitdepth+1)
|
|
PR_LeaveFunction(progfuncs);
|
|
prinst->continuestatement = 0;
|
|
}
|
|
|