+++ /dev/null
-//This is basically a sample program.
-//It deomnstrates the code required to get qclib up and running.
-//This code does not demonstrate entities, however.
-//It does demonstrate the built in qc compiler, and does demonstrate a globals-only progs interface.
-//It also demonstrates basic builtin(s).
-
-
-
-#include "progtype.h"
-#include "progslib.h"
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <stdarg.h>
-
-
-
-
-//builtins and builtin management.
-void PF_prints (progfuncs_t *prinst, struct globalvars_s *gvars)
-{
- char *s;
- s = prinst->VarString(prinst, 0);
-
- printf("%s", s);
-}
-
-void PF_printv (progfuncs_t *prinst, struct globalvars_s *pr_globals)
-{
- printf("%f %f %f\n", G_FLOAT(OFS_PARM0+0), G_FLOAT(OFS_PARM0+1), G_FLOAT(OFS_PARM0+2));
-}
-
-void PF_printf (progfuncs_t *prinst, struct globalvars_s *pr_globals)
-{
- printf("%f\n", G_FLOAT(OFS_PARM0));
-}
-
-
-void PF_bad (progfuncs_t *prinst, struct globalvars_s *gvars)
-{
- printf("bad builtin\n");
-}
-
-builtin_t builtins[] = {
- PF_bad,
- PF_prints,
- PF_printv,
- PF_printf
-};
-
-
-
-
-//Called when the qc library has some sort of serious error.
-void Sys_Abort(char *s, ...)
-{ //quake handles this with a longjmp.
- va_list ap;
- va_start(ap, s);
- vprintf(s, ap);
- va_end(ap);
- exit(1);
-}
-//Called when the library has something to say.
-//Kinda required for the compiler...
-//Not really that useful for the normal vm.
-int Sys_Printf(char *s, ...)
-{ //look up quake's va function to find out how to deal with variable arguments properly.
- return printf("%s", s);
-}
-
-#include <stdio.h>
-//copy file into buffer. note that the buffer will have been sized to fit the file (obtained via FileSize)
-unsigned char *Sys_ReadFile (char *fname, void *buffer, int buflen)
-{
- int len;
- FILE *f;
- if (!strncmp(fname, "src/", 4))
- fname+=4; //skip the src part
- f = fopen(fname, "rb");
- if (!f)
- return NULL;
- fseek(f, 0, SEEK_END);
- len = ftell(f);
- if (buflen < len)
- return NULL;
- fseek(f, 0, SEEK_SET);
- fread(buffer, 1, len, f);
- fclose(f);
- return buffer;
-}
-//Finds the size of a file.
-int Sys_FileSize (char *fname)
-{
- int len;
- FILE *f;
- if (!strncmp(fname, "src/", 4))
- fname+=4; //skip the src part
- f = fopen(fname, "rb");
- if (!f)
- return -1;
- fseek(f, 0, SEEK_END);
- len = ftell(f);
- fclose(f);
- return len;
-}
-//Writes a file.
-pbool Sys_WriteFile (char *fname, void *data, int len)
-{
- FILE *f;
- f = fopen(fname, "wb");
- if (!f)
- return 0;
- fwrite(data, 1, len, f);
- fclose(f);
- return 1;
-}
-
-void runtest(char *progsname)
-{
- progfuncs_t *pf;
- func_t func;
- progsnum_t pn;
-
- progparms_t ext;
- memset(&ext, 0, sizeof(ext));
-
- ext.progsversion = PROGSTRUCT_VERSION;
- ext.ReadFile = Sys_ReadFile;
- ext.FileSize= Sys_FileSize;
- ext.Abort = Sys_Abort;
- ext.printf = printf;
-
- ext.numglobalbuiltins = sizeof(builtins)/sizeof(builtins[0]);
- ext.globalbuiltins = builtins;
-
- pf = InitProgs(&ext);
- pf->Configure(pf, 1024*1024, 1); //memory quantity of 1mb. Maximum progs loadable into the instance of 1
-//If you support multiple progs types, you should tell the VM the offsets here, via RegisterFieldVar
- pn = pf->LoadProgs(pf, progsname, 0, NULL, 0); //load the progs, don't care about the crc, and use those builtins.
- if (pn < 0)
- printf("test: Failed to load progs \"%s\"\n", progsname);
- else
- {
-//allocate qc-acessable strings here for 64bit cpus. (allocate via AddString, tempstringbase is a holding area not used by the actual vm)
-//you can call functions before InitEnts if you want. it's not really advised for anything except naming additional progs. This sample only allows one max.
-
- pf->InitEnts(pf, 10); //Now we know how many fields required, we can say how many maximum ents we want to allow. 10 in this case. This can be huge without too many problems.
-
-//now it's safe to ED_Alloc.
-
- func = pf->FindFunction(pf, "main", PR_ANY); //find the function 'main' in the first progs that has it.
- if (!func)
- printf("Couldn't find function\n");
- else
- pf->ExecuteProgram(pf, func); //call the function
- }
- CloseProgs(pf);
-}
-
-
-//Run a compiler and nothing else.
-//Note that this could be done with an autocompile of PR_COMPILEALWAYS.
-void compile(int argc, char **argv)
-{
- progfuncs_t *pf;
-
- progparms_t ext;
-
- if (0)
- {
- char *testsrcfile = //newstyle progs.src must start with a #.
- //it's newstyle to avoid using multiple source files.
- "#pragma PROGS_DAT \"testprogs.dat\"\r\n"
- "//INTERMEDIATE FILE - EDIT TEST.C INSTEAD\r\n"
- "\r\n"
- "void(...) print = #1;\r\n"
- "void() main =\r\n"
- "{\r\n"
- " print(\"hello world\\n\");\r\n"
- "};\r\n";
-
- //so that the file exists. We could insert it via the callbacks instead
- Sys_WriteFile("progs.src", testsrcfile, strlen(testsrcfile));
- }
-
- memset(&ext, 0, sizeof(ext));
- ext.progsversion = PROGSTRUCT_VERSION;
- ext.ReadFile = Sys_ReadFile;
- ext.FileSize= Sys_FileSize;
- ext.WriteFile= Sys_WriteFile;
- ext.Abort = Sys_Abort;
- ext.printf = printf;
-
- pf = InitProgs(&ext);
- if (pf->StartCompile)
- {
- if (pf->StartCompile(pf, argc, argv))
- {
- while(pf->ContinueCompile(pf) == 1)
- ;
- }
- }
- else
- printf("no compiler in this qcvm build\n");
- CloseProgs(pf);
-}
-
-int main(int argc, char **argv)
-{
- if (argc < 2)
- {
- printf("Invalid arguments!\nPlease run as, for example:\n%s testprogs.dat -srcfile progs.src\nThe first argument is the name of the progs.dat to run, the remaining arguments are the qcc args to use", argv[0]);
- return 0;
- }
-
- compile(argc-1, argv+1);
- runtest(argv[1]);
-
- return 0;
-}
projects / voretournament / voretournament.git / blobdiff