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-rw-r--r--src/engine/command.cpp3484
1 files changed, 3484 insertions, 0 deletions
diff --git a/src/engine/command.cpp b/src/engine/command.cpp
new file mode 100644
index 0000000..74efff2
--- /dev/null
+++ b/src/engine/command.cpp
@@ -0,0 +1,3484 @@
+// command.cpp: implements the parsing and execution of a tiny script language which
+// is largely backwards compatible with the quake console language.
+
+#include "engine.h"
+
+hashnameset<ident> idents; // contains ALL vars/commands/aliases
+vector<ident *> identmap;
+ident *dummyident = NULL;
+
+int identflags = 0;
+
+enum
+{
+ MAXARGS = 25,
+ MAXCOMARGS = 12
+};
+
+VARN(numargs, _numargs, MAXARGS, 0, 0);
+
+static inline void freearg(tagval &v)
+{
+ switch(v.type)
+ {
+ case VAL_STR: delete[] v.s; break;
+ case VAL_CODE: if(v.code[-1] == CODE_START) delete[] (uchar *)&v.code[-1]; break;
+ }
+}
+
+static inline void forcenull(tagval &v)
+{
+ switch(v.type)
+ {
+ case VAL_NULL: return;
+ }
+ freearg(v);
+ v.setnull();
+}
+
+static inline float forcefloat(tagval &v)
+{
+ float f = 0.0f;
+ switch(v.type)
+ {
+ case VAL_INT: f = v.i; break;
+ case VAL_STR: f = parsefloat(v.s); break;
+ case VAL_MACRO: f = parsefloat(v.s); break;
+ case VAL_FLOAT: return v.f;
+ }
+ freearg(v);
+ v.setfloat(f);
+ return f;
+}
+
+static inline int forceint(tagval &v)
+{
+ int i = 0;
+ switch(v.type)
+ {
+ case VAL_FLOAT: i = v.f; break;
+ case VAL_STR: i = parseint(v.s); break;
+ case VAL_MACRO: i = parseint(v.s); break;
+ case VAL_INT: return v.i;
+ }
+ freearg(v);
+ v.setint(i);
+ return i;
+}
+
+static inline const char *forcestr(tagval &v)
+{
+ const char *s = "";
+ switch(v.type)
+ {
+ case VAL_FLOAT: s = floatstr(v.f); break;
+ case VAL_INT: s = intstr(v.i); break;
+ case VAL_STR: case VAL_MACRO: return v.s;
+ }
+ freearg(v);
+ v.setstr(newstring(s));
+ return s;
+}
+
+static inline void forcearg(tagval &v, int type)
+{
+ switch(type)
+ {
+ case RET_STR: if(v.type != VAL_STR) forcestr(v); break;
+ case RET_INT: if(v.type != VAL_INT) forceint(v); break;
+ case RET_FLOAT: if(v.type != VAL_FLOAT) forcefloat(v); break;
+ }
+}
+
+static inline ident *forceident(tagval &v)
+{
+ switch(v.type)
+ {
+ case VAL_IDENT: return v.id;
+ case VAL_MACRO:
+ {
+ ident *id = newident(v.s, IDF_UNKNOWN);
+ v.setident(id);
+ return id;
+ }
+ case VAL_STR:
+ {
+ ident *id = newident(v.s, IDF_UNKNOWN);
+ delete[] v.s;
+ v.setident(id);
+ return id;
+ }
+ }
+ freearg(v);
+ v.setident(dummyident);
+ return dummyident;
+}
+
+void tagval::cleanup()
+{
+ freearg(*this);
+}
+
+static inline void freeargs(tagval *args, int &oldnum, int newnum)
+{
+ for(int i = newnum; i < oldnum; i++) freearg(args[i]);
+ oldnum = newnum;
+}
+
+static inline void cleancode(ident &id)
+{
+ if(id.code)
+ {
+ id.code[0] -= 0x100;
+ if(int(id.code[0]) < 0x100) delete[] id.code;
+ id.code = NULL;
+ }
+}
+
+struct nullval : tagval
+{
+ nullval() { setnull(); }
+} nullval;
+tagval noret = nullval, *commandret = &noret;
+
+void clear_command()
+{
+ enumerate(idents, ident, i,
+ {
+ if(i.type==ID_ALIAS)
+ {
+ DELETEA(i.name);
+ i.forcenull();
+ DELETEA(i.code);
+ }
+ });
+}
+
+void clearoverride(ident &i)
+{
+ if(!(i.flags&IDF_OVERRIDDEN)) return;
+ switch(i.type)
+ {
+ case ID_ALIAS:
+ if(i.valtype==VAL_STR)
+ {
+ if(!i.val.s[0]) break;
+ delete[] i.val.s;
+ }
+ cleancode(i);
+ i.valtype = VAL_STR;
+ i.val.s = newstring("");
+ break;
+ case ID_VAR:
+ *i.storage.i = i.overrideval.i;
+ i.changed();
+ break;
+ case ID_FVAR:
+ *i.storage.f = i.overrideval.f;
+ i.changed();
+ break;
+ case ID_SVAR:
+ delete[] *i.storage.s;
+ *i.storage.s = i.overrideval.s;
+ i.changed();
+ break;
+ }
+ i.flags &= ~IDF_OVERRIDDEN;
+}
+
+void clearoverrides()
+{
+ enumerate(idents, ident, i, clearoverride(i));
+}
+
+static bool initedidents = false;
+static vector<ident> *identinits = NULL;
+
+static inline ident *addident(const ident &id)
+{
+ if(!initedidents)
+ {
+ if(!identinits) identinits = new vector<ident>;
+ identinits->add(id);
+ return NULL;
+ }
+ ident &def = idents.access(id.name, id);
+ def.index = identmap.length();
+ return identmap.add(&def);
+}
+
+static bool initidents()
+{
+ initedidents = true;
+ for(int i = 0; i < MAXARGS; i++)
+ {
+ defformatstring(argname, "arg%d", i+1);
+ newident(argname, IDF_ARG);
+ }
+ dummyident = newident("//dummy", IDF_UNKNOWN);
+ if(identinits)
+ {
+ loopv(*identinits) addident((*identinits)[i]);
+ DELETEP(identinits);
+ }
+ return true;
+}
+UNUSED static bool forceinitidents = initidents();
+
+static const char *sourcefile = NULL, *sourcestr = NULL;
+
+static const char *debugline(const char *p, const char *fmt)
+{
+ if(!sourcestr) return fmt;
+ int num = 1;
+ const char *line = sourcestr;
+ for(;;)
+ {
+ const char *end = strchr(line, '\n');
+ if(!end) end = line + strlen(line);
+ if(p >= line && p <= end)
+ {
+ static string buf;
+ if(sourcefile) formatstring(buf, "%s:%d: %s", sourcefile, num, fmt);
+ else formatstring(buf, "%d: %s", num, fmt);
+ return buf;
+ }
+ if(!*end) break;
+ line = end + 1;
+ num++;
+ }
+ return fmt;
+}
+
+static struct identlink
+{
+ ident *id;
+ identlink *next;
+ int usedargs;
+ identstack *argstack;
+} noalias = { NULL, NULL, (1<<MAXARGS)-1, NULL }, *aliasstack = &noalias;
+
+VAR(dbgalias, 0, 4, 1000);
+
+static void debugalias()
+{
+ if(!dbgalias) return;
+ int total = 0, depth = 0;
+ for(identlink *l = aliasstack; l != &noalias; l = l->next) total++;
+ for(identlink *l = aliasstack; l != &noalias; l = l->next)
+ {
+ ident *id = l->id;
+ ++depth;
+ if(depth < dbgalias) conoutf(CON_ERROR, " %d) %s", total-depth+1, id->name);
+ else if(l->next == &noalias) conoutf(CON_ERROR, depth == dbgalias ? " %d) %s" : " ..%d) %s", total-depth+1, id->name);
+ }
+}
+
+static int nodebug = 0;
+
+static void debugcode(const char *fmt, ...) PRINTFARGS(1, 2);
+
+static void debugcode(const char *fmt, ...)
+{
+ if(nodebug) return;
+
+ va_list args;
+ va_start(args, fmt);
+ conoutfv(CON_ERROR, fmt, args);
+ va_end(args);
+
+ debugalias();
+}
+
+static void debugcodeline(const char *p, const char *fmt, ...) PRINTFARGS(2, 3);
+
+static void debugcodeline(const char *p, const char *fmt, ...)
+{
+ if(nodebug) return;
+
+ va_list args;
+ va_start(args, fmt);
+ conoutfv(CON_ERROR, debugline(p, fmt), args);
+ va_end(args);
+
+ debugalias();
+}
+
+ICOMMAND(nodebug, "e", (uint *body), { nodebug++; executeret(body, *commandret); nodebug--; });
+
+void addident(ident *id)
+{
+ addident(*id);
+}
+
+static inline void pusharg(ident &id, const tagval &v, identstack &stack)
+{
+ stack.val = id.val;
+ stack.valtype = id.valtype;
+ stack.next = id.stack;
+ id.stack = &stack;
+ id.setval(v);
+ cleancode(id);
+}
+
+static inline void poparg(ident &id)
+{
+ if(!id.stack) return;
+ identstack *stack = id.stack;
+ if(id.valtype == VAL_STR) delete[] id.val.s;
+ id.setval(*stack);
+ cleancode(id);
+ id.stack = stack->next;
+}
+
+ICOMMAND(push, "rte", (ident *id, tagval *v, uint *code),
+{
+ if(id->type != ID_ALIAS || id->index < MAXARGS) return;
+ identstack stack;
+ pusharg(*id, *v, stack);
+ v->type = VAL_NULL;
+ id->flags &= ~IDF_UNKNOWN;
+ executeret(code, *commandret);
+ poparg(*id);
+});
+
+static inline void pushalias(ident &id, identstack &stack)
+{
+ if(id.type == ID_ALIAS && id.index >= MAXARGS)
+ {
+ pusharg(id, nullval, stack);
+ id.flags &= ~IDF_UNKNOWN;
+ }
+}
+
+static inline void popalias(ident &id)
+{
+ if(id.type == ID_ALIAS && id.index >= MAXARGS) poparg(id);
+}
+
+KEYWORD(local, ID_LOCAL);
+
+static inline bool checknumber(const char *s)
+{
+ if(isdigit(s[0])) return true;
+ else switch(s[0])
+ {
+ case '+': case '-': return isdigit(s[1]) || (s[1] == '.' && isdigit(s[2]));
+ case '.': return isdigit(s[1]) != 0;
+ default: return false;
+ }
+}
+
+ident *newident(const char *name, int flags)
+{
+ ident *id = idents.access(name);
+ if(!id)
+ {
+ if(checknumber(name))
+ {
+ debugcode("number %s is not a valid identifier name", name);
+ return dummyident;
+ }
+ id = addident(ident(ID_ALIAS, newstring(name), flags));
+ }
+ return id;
+}
+
+ident *writeident(const char *name, int flags)
+{
+ ident *id = newident(name, flags);
+ if(id->index < MAXARGS && !(aliasstack->usedargs&(1<<id->index)))
+ {
+ pusharg(*id, nullval, aliasstack->argstack[id->index]);
+ aliasstack->usedargs |= 1<<id->index;
+ }
+ return id;
+}
+
+ident *readident(const char *name)
+{
+ ident *id = idents.access(name);
+ if(id && id->index < MAXARGS && !(aliasstack->usedargs&(1<<id->index)))
+ return NULL;
+ return id;
+}
+
+void resetvar(char *name)
+{
+ ident *id = idents.access(name);
+ if(!id) return;
+ if(id->flags&IDF_READONLY) debugcode("variable %s is read-only", id->name);
+ else clearoverride(*id);
+}
+
+COMMAND(resetvar, "s");
+
+static inline void setarg(ident &id, tagval &v)
+{
+ if(aliasstack->usedargs&(1<<id.index))
+ {
+ if(id.valtype == VAL_STR) delete[] id.val.s;
+ id.setval(v);
+ cleancode(id);
+ }
+ else
+ {
+ pusharg(id, v, aliasstack->argstack[id.index]);
+ aliasstack->usedargs |= 1<<id.index;
+ }
+}
+
+static inline void setalias(ident &id, tagval &v)
+{
+ if(id.valtype == VAL_STR) delete[] id.val.s;
+ id.setval(v);
+ cleancode(id);
+ id.flags = (id.flags & identflags) | identflags;
+}
+
+static void setalias(const char *name, tagval &v)
+{
+ ident *id = idents.access(name);
+ if(id)
+ {
+ if(id->type == ID_ALIAS)
+ {
+ if(id->index < MAXARGS) setarg(*id, v); else setalias(*id, v);
+ }
+ else
+ {
+ debugcode("cannot redefine builtin %s with an alias", id->name);
+ freearg(v);
+ }
+ }
+ else if(checknumber(name))
+ {
+ debugcode("cannot alias number %s", name);
+ freearg(v);
+ }
+ else
+ {
+ addident(ident(ID_ALIAS, newstring(name), v, identflags));
+ }
+}
+
+void alias(const char *name, const char *str)
+{
+ tagval v;
+ v.setstr(newstring(str));
+ setalias(name, v);
+}
+
+void alias(const char *name, tagval &v)
+{
+ setalias(name, v);
+}
+
+ICOMMAND(alias, "st", (const char *name, tagval *v),
+{
+ setalias(name, *v);
+ v->type = VAL_NULL;
+});
+
+// variable's and commands are registered through globals, see cube.h
+
+int variable(const char *name, int min, int cur, int max, int *storage, identfun fun, int flags)
+{
+ addident(ident(ID_VAR, name, min, max, storage, (void *)fun, flags));
+ return cur;
+}
+
+float fvariable(const char *name, float min, float cur, float max, float *storage, identfun fun, int flags)
+{
+ addident(ident(ID_FVAR, name, min, max, storage, (void *)fun, flags));
+ return cur;
+}
+
+char *svariable(const char *name, const char *cur, char **storage, identfun fun, int flags)
+{
+ addident(ident(ID_SVAR, name, storage, (void *)fun, flags));
+ return newstring(cur);
+}
+
+#define _GETVAR(id, vartype, name, retval) \
+ ident *id = idents.access(name); \
+ if(!id || id->type!=vartype) return retval;
+#define GETVAR(id, name, retval) _GETVAR(id, ID_VAR, name, retval)
+#define OVERRIDEVAR(errorval, saveval, resetval, clearval) \
+ if(identflags&IDF_OVERRIDDEN || id->flags&IDF_OVERRIDE) \
+ { \
+ if(id->flags&IDF_PERSIST) \
+ { \
+ debugcode("cannot override persistent variable %s", id->name); \
+ errorval; \
+ } \
+ if(!(id->flags&IDF_OVERRIDDEN)) { saveval; id->flags |= IDF_OVERRIDDEN; } \
+ else { clearval; } \
+ } \
+ else \
+ { \
+ if(id->flags&IDF_OVERRIDDEN) { resetval; id->flags &= ~IDF_OVERRIDDEN; } \
+ clearval; \
+ }
+
+void setvar(const char *name, int i, bool dofunc, bool doclamp)
+{
+ GETVAR(id, name, );
+ OVERRIDEVAR(return, id->overrideval.i = *id->storage.i, , )
+ if(doclamp) *id->storage.i = clamp(i, id->minval, id->maxval);
+ else *id->storage.i = i;
+ if(dofunc) id->changed();
+}
+void setfvar(const char *name, float f, bool dofunc, bool doclamp)
+{
+ _GETVAR(id, ID_FVAR, name, );
+ OVERRIDEVAR(return, id->overrideval.f = *id->storage.f, , );
+ if(doclamp) *id->storage.f = clamp(f, id->minvalf, id->maxvalf);
+ else *id->storage.f = f;
+ if(dofunc) id->changed();
+}
+void setsvar(const char *name, const char *str, bool dofunc)
+{
+ _GETVAR(id, ID_SVAR, name, );
+ OVERRIDEVAR(return, id->overrideval.s = *id->storage.s, delete[] id->overrideval.s, delete[] *id->storage.s);
+ *id->storage.s = newstring(str);
+ if(dofunc) id->changed();
+}
+int getvar(const char *name)
+{
+ GETVAR(id, name, 0);
+ return *id->storage.i;
+}
+int getvarmin(const char *name)
+{
+ GETVAR(id, name, 0);
+ return id->minval;
+}
+int getvarmax(const char *name)
+{
+ GETVAR(id, name, 0);
+ return id->maxval;
+}
+float getfvarmin(const char *name)
+{
+ _GETVAR(id, ID_FVAR, name, 0);
+ return id->minvalf;
+}
+float getfvarmax(const char *name)
+{
+ _GETVAR(id, ID_FVAR, name, 0);
+ return id->maxvalf;
+}
+
+ICOMMAND(getvarmin, "s", (char *s), intret(getvarmin(s)));
+ICOMMAND(getvarmax, "s", (char *s), intret(getvarmax(s)));
+ICOMMAND(getfvarmin, "s", (char *s), floatret(getfvarmin(s)));
+ICOMMAND(getfvarmax, "s", (char *s), floatret(getfvarmax(s)));
+
+bool identexists(const char *name) { return idents.access(name)!=NULL; }
+ident *getident(const char *name) { return idents.access(name); }
+
+void touchvar(const char *name)
+{
+ ident *id = idents.access(name);
+ if(id) switch(id->type)
+ {
+ case ID_VAR:
+ case ID_FVAR:
+ case ID_SVAR:
+ id->changed();
+ break;
+ }
+}
+
+const char *getalias(const char *name)
+{
+ ident *i = idents.access(name);
+ return i && i->type==ID_ALIAS && (i->index >= MAXARGS || aliasstack->usedargs&(1<<i->index)) ? i->getstr() : "";
+}
+
+ICOMMAND(getalias, "s", (char *s), result(getalias(s)));
+
+int clampvar(ident *id, int val, int minval, int maxval)
+{
+ if(val < minval) val = minval;
+ else if(val > maxval) val = maxval;
+ else return val;
+ debugcode(id->flags&IDF_HEX ?
+ (minval <= 255 ? "valid range for %s is %d..0x%X" : "valid range for %s is 0x%X..0x%X") :
+ "valid range for %s is %d..%d",
+ id->name, minval, maxval);
+ return val;
+}
+
+void setvarchecked(ident *id, int val)
+{
+ if(id->flags&IDF_READONLY) debugcode("variable %s is read-only", id->name);
+#ifndef STANDALONE
+ else if(!(id->flags&IDF_OVERRIDE) || identflags&IDF_OVERRIDDEN || game::allowedittoggle())
+#else
+ else
+#endif
+ {
+ OVERRIDEVAR(return, id->overrideval.i = *id->storage.i, , )
+ if(val < id->minval || val > id->maxval) val = clampvar(id, val, id->minval, id->maxval);
+ *id->storage.i = val;
+ id->changed(); // call trigger function if available
+#ifndef STANDALONE
+ if(id->flags&IDF_OVERRIDE && !(identflags&IDF_OVERRIDDEN)) game::vartrigger(id);
+#endif
+ }
+}
+
+static inline void setvarchecked(ident *id, tagval *args, int numargs)
+{
+ int val = forceint(args[0]);
+ if(id->flags&IDF_HEX && numargs > 1)
+ {
+ val = (val << 16) | (forceint(args[1])<<8);
+ if(numargs > 2) val |= forceint(args[2]);
+ }
+ setvarchecked(id, val);
+}
+
+float clampfvar(ident *id, float val, float minval, float maxval)
+{
+ if(val < minval) val = minval;
+ else if(val > maxval) val = maxval;
+ else return val;
+ debugcode("valid range for %s is %s..%s", id->name, floatstr(minval), floatstr(maxval));
+ return val;
+}
+
+void setfvarchecked(ident *id, float val)
+{
+ if(id->flags&IDF_READONLY) debugcode("variable %s is read-only", id->name);
+#ifndef STANDALONE
+ else if(!(id->flags&IDF_OVERRIDE) || identflags&IDF_OVERRIDDEN || game::allowedittoggle())
+#else
+ else
+#endif
+ {
+ OVERRIDEVAR(return, id->overrideval.f = *id->storage.f, , );
+ if(val < id->minvalf || val > id->maxvalf) val = clampfvar(id, val, id->minvalf, id->maxvalf);
+ *id->storage.f = val;
+ id->changed();
+#ifndef STANDALONE
+ if(id->flags&IDF_OVERRIDE && !(identflags&IDF_OVERRIDDEN)) game::vartrigger(id);
+#endif
+ }
+}
+
+void setsvarchecked(ident *id, const char *val)
+{
+ if(id->flags&IDF_READONLY) debugcode("variable %s is read-only", id->name);
+#ifndef STANDALONE
+ else if(!(id->flags&IDF_OVERRIDE) || identflags&IDF_OVERRIDDEN || game::allowedittoggle())
+#else
+ else
+#endif
+ {
+ OVERRIDEVAR(return, id->overrideval.s = *id->storage.s, delete[] id->overrideval.s, delete[] *id->storage.s);
+ *id->storage.s = newstring(val);
+ id->changed();
+#ifndef STANDALONE
+ if(id->flags&IDF_OVERRIDE && !(identflags&IDF_OVERRIDDEN)) game::vartrigger(id);
+#endif
+ }
+}
+
+ICOMMAND(set, "rt", (ident *id, tagval *v),
+{
+ switch(id->type)
+ {
+ case ID_ALIAS:
+ if(id->index < MAXARGS) setarg(*id, *v); else setalias(*id, *v);
+ v->type = VAL_NULL;
+ break;
+ case ID_VAR:
+ setvarchecked(id, forceint(*v));
+ break;
+ case ID_FVAR:
+ setfvarchecked(id, forcefloat(*v));
+ break;
+ case ID_SVAR:
+ setsvarchecked(id, forcestr(*v));
+ break;
+ case ID_COMMAND:
+ if(id->flags&IDF_EMUVAR)
+ {
+ execute(id, v, 1);
+ v->type = VAL_NULL;
+ break;
+ }
+ // fall through
+ default:
+ debugcode("cannot redefine builtin %s with an alias", id->name);
+ break;
+ }
+});
+
+bool addcommand(const char *name, identfun fun, const char *args)
+{
+ uint argmask = 0;
+ int numargs = 0, flags = 0;
+ bool limit = true;
+ for(const char *fmt = args; *fmt; fmt++) switch(*fmt)
+ {
+ case 'i': case 'b': case 'f': case 't': case 'N': case 'D': if(numargs < MAXARGS) numargs++; break;
+ case '$': flags |= IDF_EMUVAR; // fall through
+ case 's': case 'e': case 'r': if(numargs < MAXARGS) { argmask |= 1<<numargs; numargs++; } break;
+ case '1': case '2': case '3': case '4': if(numargs < MAXARGS) fmt -= *fmt-'0'+1; break;
+ case 'C': case 'V': limit = false; break;
+ default: fatal("builtin %s declared with illegal type: %s", name, args); break;
+ }
+ if(limit && numargs > MAXCOMARGS) fatal("builtin %s declared with too many args: %d", name, numargs);
+ addident(ident(ID_COMMAND, name, args, argmask, numargs, (void *)fun, flags));
+ return false;
+}
+
+bool addkeyword(int type, const char *name)
+{
+ addident(ident(type, name, "", 0, 0, NULL));
+ return true;
+}
+
+const char *parsestring(const char *p)
+{
+ for(; *p; p++) switch(*p)
+ {
+ case '\r':
+ case '\n':
+ case '\"':
+ return p;
+ case '^':
+ if(*++p) break;
+ return p;
+ }
+ return p;
+}
+
+int unescapestring(char *dst, const char *src, const char *end)
+{
+ char *start = dst;
+ while(src < end)
+ {
+ int c = *src++;
+ if(c == '^')
+ {
+ if(src >= end) break;
+ int e = *src++;
+ switch(e)
+ {
+ case 'n': *dst++ = '\n'; break;
+ case 't': *dst++ = '\t'; break;
+ case 'f': *dst++ = '\f'; break;
+ default: *dst++ = e; break;
+ }
+ }
+ else *dst++ = c;
+ }
+ return dst - start;
+}
+
+static char *conc(vector<char> &buf, tagval *v, int n, bool space, const char *prefix = NULL, int prefixlen = 0)
+{
+ if(prefix)
+ {
+ buf.put(prefix, prefixlen);
+ if(space && n) buf.add(' ');
+ }
+ loopi(n)
+ {
+ const char *s = "";
+ int len = 0;
+ switch(v[i].type)
+ {
+ case VAL_INT: s = intstr(v[i].i); break;
+ case VAL_FLOAT: s = floatstr(v[i].f); break;
+ case VAL_STR: s = v[i].s; break;
+ case VAL_MACRO: s = v[i].s; len = v[i].code[-1]>>8; goto haslen;
+ }
+ len = int(strlen(s));
+ haslen:
+ buf.put(s, len);
+ if(i == n-1) break;
+ if(space) buf.add(' ');
+ }
+ buf.add('\0');
+ return buf.getbuf();
+}
+
+static char *conc(tagval *v, int n, bool space, const char *prefix, int prefixlen)
+{
+ static int vlen[MAXARGS];
+ static char numbuf[3*MAXSTRLEN];
+ int len = prefixlen, numlen = 0, i = 0;
+ for(; i < n; i++) switch(v[i].type)
+ {
+ case VAL_MACRO: len += (vlen[i] = v[i].code[-1]>>8); break;
+ case VAL_STR: len += (vlen[i] = int(strlen(v[i].s))); break;
+ case VAL_INT:
+ if(numlen + MAXSTRLEN > int(sizeof(numbuf))) goto overflow;
+ intformat(&numbuf[numlen], v[i].i);
+ numlen += (vlen[i] = strlen(&numbuf[numlen]));
+ break;
+ case VAL_FLOAT:
+ if(numlen + MAXSTRLEN > int(sizeof(numbuf))) goto overflow;
+ floatformat(&numbuf[numlen], v[i].f);
+ numlen += (vlen[i] = strlen(&numbuf[numlen]));
+ break;
+ default: vlen[i] = 0; break;
+ }
+overflow:
+ if(space) len += max(prefix ? i : i-1, 0);
+ char *buf = newstring(len + numlen);
+ int offset = 0, numoffset = 0;
+ if(prefix)
+ {
+ memcpy(buf, prefix, prefixlen);
+ offset += prefixlen;
+ if(space && i) buf[offset++] = ' ';
+ }
+ loopj(i)
+ {
+ if(v[j].type == VAL_INT || v[j].type == VAL_FLOAT)
+ {
+ memcpy(&buf[offset], &numbuf[numoffset], vlen[j]);
+ numoffset += vlen[j];
+ }
+ else if(vlen[j]) memcpy(&buf[offset], v[j].s, vlen[j]);
+ offset += vlen[j];
+ if(j==i-1) break;
+ if(space) buf[offset++] = ' ';
+ }
+ buf[offset] = '\0';
+ if(i < n)
+ {
+ char *morebuf = conc(&v[i], n-i, space, buf, offset);
+ delete[] buf;
+ return morebuf;
+ }
+ return buf;
+}
+
+static inline char *conc(tagval *v, int n, bool space)
+{
+ return conc(v, n, space, NULL, 0);
+}
+
+static inline char *conc(tagval *v, int n, bool space, const char *prefix)
+{
+ return conc(v, n, space, prefix, strlen(prefix));
+}
+
+static inline void skipcomments(const char *&p)
+{
+ for(;;)
+ {
+ p += strspn(p, " \t\r");
+ if(p[0]!='/' || p[1]!='/') break;
+ p += strcspn(p, "\n\0");
+ }
+}
+
+static inline char *cutstring(const char *&p, int &len)
+{
+ p++;
+ const char *end = parsestring(p);
+ char *s = newstring(end - p);
+ len = unescapestring(s, p, end);
+ s[len] = '\0';
+ p = end;
+ if(*p=='\"') p++;
+ return s;
+}
+
+static inline const char *parseword(const char *p)
+{
+ const int maxbrak = 100;
+ static char brakstack[maxbrak];
+ int brakdepth = 0;
+ for(;; p++)
+ {
+ p += strcspn(p, "\"/;()[] \t\r\n\0");
+ switch(p[0])
+ {
+ case '"': case ';': case ' ': case '\t': case '\r': case '\n': case '\0': return p;
+ case '/': if(p[1] == '/') return p; break;
+ case '[': case '(': if(brakdepth >= maxbrak) return p; brakstack[brakdepth++] = p[0]; break;
+ case ']': if(brakdepth <= 0 || brakstack[--brakdepth] != '[') return p; break;
+ case ')': if(brakdepth <= 0 || brakstack[--brakdepth] != '(') return p; break;
+ }
+ }
+ return p;
+}
+
+static inline char *cutword(const char *&p, int &len)
+{
+ const char *word = p;
+ p = parseword(p);
+ len = p-word;
+ if(!len) return NULL;
+ return newstring(word, len);
+}
+
+static inline void compilestr(vector<uint> &code, const char *word, int len, bool macro = false)
+{
+ if(len <= 3 && !macro)
+ {
+ uint op = CODE_VALI|RET_STR;
+ for(int i = 0; i < len; i++) op |= uint(uchar(word[i]))<<((i+1)*8);
+ code.add(op);
+ return;
+ }
+ code.add((macro ? CODE_MACRO : CODE_VAL|RET_STR)|(len<<8));
+ code.put((const uint *)word, len/sizeof(uint));
+ size_t endlen = len%sizeof(uint);
+ union
+ {
+ char c[sizeof(uint)];
+ uint u;
+ } end;
+ end.u = 0;
+ memcpy(end.c, word + len - endlen, endlen);
+ code.add(end.u);
+}
+
+static inline void compilestr(vector<uint> &code, const char *word = NULL)
+{
+ if(!word) { code.add(CODE_VALI|RET_STR); return; }
+ compilestr(code, word, int(strlen(word)));
+}
+
+static inline void compileint(vector<uint> &code, int i)
+{
+ if(i >= -0x800000 && i <= 0x7FFFFF)
+ code.add(CODE_VALI|RET_INT|(i<<8));
+ else
+ {
+ code.add(CODE_VAL|RET_INT);
+ code.add(i);
+ }
+}
+
+static inline void compilenull(vector<uint> &code)
+{
+ code.add(CODE_VALI|RET_NULL);
+}
+
+static inline void compileblock(vector<uint> &code)
+{
+ int start = code.length();
+ code.add(CODE_BLOCK);
+ code.add(CODE_OFFSET|((start+2)<<8));
+ code.add(CODE_EXIT);
+ code[start] |= uint(code.length() - (start + 1))<<8;
+}
+
+static inline void compileident(vector<uint> &code, ident *id)
+{
+ code.add((id->index < MAXARGS ? CODE_IDENTARG : CODE_IDENT)|(id->index<<8));
+}
+
+static inline void compileident(vector<uint> &code, const char *word = NULL)
+{
+ compileident(code, word ? newident(word, IDF_UNKNOWN) : dummyident);
+}
+
+static inline void compileint(vector<uint> &code, const char *word = NULL)
+{
+ return compileint(code, word ? parseint(word) : 0);
+}
+
+static inline void compilefloat(vector<uint> &code, float f)
+{
+ if(int(f) == f && f >= -0x800000 && f <= 0x7FFFFF)
+ code.add(CODE_VALI|RET_FLOAT|(int(f)<<8));
+ else
+ {
+ union { float f; uint u; } conv;
+ conv.f = f;
+ code.add(CODE_VAL|RET_FLOAT);
+ code.add(conv.u);
+ }
+}
+
+static inline void compilefloat(vector<uint> &code, const char *word = NULL)
+{
+ return compilefloat(code, word ? parsefloat(word) : 0.0f);
+}
+
+static bool compilearg(vector<uint> &code, const char *&p, int wordtype);
+static void compilestatements(vector<uint> &code, const char *&p, int rettype, int brak = '\0');
+
+static inline void compileval(vector<uint> &code, int wordtype, char *word, int wordlen)
+{
+ switch(wordtype)
+ {
+ case VAL_STR: compilestr(code, word, wordlen, true); break;
+ case VAL_ANY: compilestr(code, word, wordlen); break;
+ case VAL_FLOAT: compilefloat(code, word); break;
+ case VAL_INT: compileint(code, word); break;
+ case VAL_CODE:
+ {
+ int start = code.length();
+ code.add(CODE_BLOCK);
+ code.add(CODE_OFFSET|((start+2)<<8));
+ const char *p = word;
+ if(p) compilestatements(code, p, VAL_ANY);
+ code.add(CODE_EXIT|RET_STR);
+ code[start] |= uint(code.length() - (start + 1))<<8;
+ break;
+ }
+ case VAL_IDENT: compileident(code, word); break;
+ default:
+ break;
+ }
+}
+
+static bool compileword(vector<uint> &code, const char *&p, int wordtype, char *&word, int &wordlen);
+
+static void compilelookup(vector<uint> &code, const char *&p, int ltype)
+{
+ char *lookup = NULL;
+ int lookuplen = 0;
+ switch(*++p)
+ {
+ case '(':
+ case '[':
+ if(!compileword(code, p, VAL_STR, lookup, lookuplen)) goto invalid;
+ break;
+ case '$':
+ compilelookup(code, p, VAL_STR);
+ break;
+ case '\"':
+ lookup = cutstring(p, lookuplen);
+ goto lookupid;
+ default:
+ {
+ lookup = cutword(p, lookuplen);
+ if(!lookup) goto invalid;
+ lookupid:
+ ident *id = newident(lookup, IDF_UNKNOWN);
+ if(id) switch(id->type)
+ {
+ case ID_VAR: code.add(CODE_IVAR|((ltype >= VAL_ANY ? VAL_INT : ltype)<<CODE_RET)|(id->index<<8)); goto done;
+ case ID_FVAR: code.add(CODE_FVAR|((ltype >= VAL_ANY ? VAL_FLOAT : ltype)<<CODE_RET)|(id->index<<8)); goto done;
+ case ID_SVAR: code.add(CODE_SVAR|((ltype >= VAL_ANY ? VAL_STR : ltype)<<CODE_RET)|(id->index<<8)); goto done;
+ case ID_ALIAS: code.add((id->index < MAXARGS ? CODE_LOOKUPARG : CODE_LOOKUP)|((ltype >= VAL_ANY ? VAL_STR : ltype)<<CODE_RET)|(id->index<<8)); goto done;
+ case ID_COMMAND:
+ {
+ int comtype = CODE_COM, numargs = 0;
+ code.add(CODE_ENTER);
+ for(const char *fmt = id->args; *fmt; fmt++) switch(*fmt)
+ {
+ case 's': compilestr(code, NULL, 0, true); numargs++; break;
+ case 'i': compileint(code); numargs++; break;
+ case 'b': compileint(code, INT_MIN); numargs++; break;
+ case 'f': compilefloat(code); numargs++; break;
+ case 't': compilenull(code); numargs++; break;
+ case 'e': compileblock(code); numargs++; break;
+ case 'r': compileident(code); numargs++; break;
+ case '$': compileident(code, id); numargs++; break;
+ case 'N': compileint(code, -1); numargs++; break;
+#ifndef STANDALONE
+ case 'D': comtype = CODE_COMD; numargs++; break;
+#endif
+ case 'C': comtype = CODE_COMC; numargs = 1; goto endfmt;
+ case 'V': comtype = CODE_COMV; numargs = 2; goto endfmt;
+ case '1': case '2': case '3': case '4': break;
+ }
+ endfmt:
+ code.add(comtype|(ltype < VAL_ANY ? ltype<<CODE_RET : 0)|(id->index<<8));
+ code.add(CODE_EXIT|(ltype < VAL_ANY ? ltype<<CODE_RET : 0));
+ goto done;
+ }
+ default: goto invalid;
+ }
+ compilestr(code, lookup, lookuplen, true);
+ break;
+ }
+ }
+ code.add(CODE_LOOKUPU|((ltype < VAL_ANY ? ltype<<CODE_RET : 0)));
+done:
+ delete[] lookup;
+ switch(ltype)
+ {
+ case VAL_CODE: code.add(CODE_COMPILE); break;
+ case VAL_IDENT: code.add(CODE_IDENTU); break;
+ }
+ return;
+invalid:
+ switch(ltype)
+ {
+ case VAL_NULL: case VAL_ANY: compilenull(code); break;
+ default: compileval(code, ltype, NULL, 0); break;
+ }
+}
+
+static bool compileblockstr(vector<uint> &code, const char *str, const char *end, bool macro)
+{
+ int start = code.length();
+ code.add(macro ? CODE_MACRO : CODE_VAL|RET_STR);
+ char *buf = (char *)code.reserve((end-str)/sizeof(uint)+1).buf;
+ int len = 0;
+ while(str < end)
+ {
+ int n = strcspn(str, "\r/\"@]\0");
+ memcpy(&buf[len], str, n);
+ len += n;
+ str += n;
+ switch(*str)
+ {
+ case '\r': str++; break;
+ case '\"':
+ {
+ const char *start = str;
+ str = parsestring(str+1);
+ if(*str=='\"') str++;
+ memcpy(&buf[len], start, str-start);
+ len += str-start;
+ break;
+ }
+ case '/':
+ if(str[1] == '/')
+ {
+ size_t comment = strcspn(str, "\n\0");
+ if (iscubepunct(str[2]))
+ {
+ memcpy(&buf[len], str, comment);
+ len += comment;
+ }
+ str += comment;
+ }
+ else buf[len++] = *str++;
+ break;
+ case '@':
+ case ']':
+ if(str < end) { buf[len++] = *str++; break; }
+ case '\0': goto done;
+ }
+ }
+done:
+ memset(&buf[len], '\0', sizeof(uint)-len%sizeof(uint));
+ code.advance(len/sizeof(uint)+1);
+ code[start] |= len<<8;
+ return true;
+}
+
+static bool compileblocksub(vector<uint> &code, const char *&p)
+{
+ char *lookup = NULL;
+ int lookuplen = 0;
+ switch(*p)
+ {
+ case '(':
+ if(!compilearg(code, p, VAL_STR)) return false;
+ break;
+ case '[':
+ if(!compilearg(code, p, VAL_STR)) return false;
+ code.add(CODE_LOOKUPU|RET_STR);
+ break;
+ case '\"':
+ lookup = cutstring(p, lookuplen);
+ goto lookupid;
+ default:
+ {
+ {
+ const char *start = p;
+ while(iscubealnum(*p) || *p=='_') p++;
+ lookuplen = p-start;
+ if(!lookuplen) return false;
+ lookup = newstring(start, lookuplen);
+ }
+ lookupid:
+ ident *id = newident(lookup, IDF_UNKNOWN);
+ if(id) switch(id->type)
+ {
+ case ID_VAR: code.add(CODE_IVAR|RET_STR|(id->index<<8)); goto done;
+ case ID_FVAR: code.add(CODE_FVAR|RET_STR|(id->index<<8)); goto done;
+ case ID_SVAR: code.add(CODE_SVAR|RET_STR|(id->index<<8)); goto done;
+ case ID_ALIAS: code.add((id->index < MAXARGS ? CODE_LOOKUPARG : CODE_LOOKUP)|RET_STR|(id->index<<8)); goto done;
+ }
+ compilestr(code, lookup, lookuplen, true);
+ code.add(CODE_LOOKUPU|RET_STR);
+ done:
+ delete[] lookup;
+ break;
+ }
+ }
+ return true;
+}
+
+static void compileblock(vector<uint> &code, const char *&p, int wordtype)
+{
+ const char *line = p, *start = p;
+ int concs = 0;
+ for(int brak = 1; brak;)
+ {
+ p += strcspn(p, "@\"/[]\0");
+ int c = *p++;
+ switch(c)
+ {
+ case '\0':
+ debugcodeline(line, "missing \"]\"");
+ p--;
+ goto done;
+ case '\"':
+ p = parsestring(p);
+ if(*p=='\"') p++;
+ break;
+ case '/':
+ if(*p=='/') p += strcspn(p, "\n\0");
+ break;
+ case '[': brak++; break;
+ case ']': brak--; break;
+ case '@':
+ {
+ const char *esc = p;
+ while(*p == '@') p++;
+ int level = p - (esc - 1);
+ if(brak > level) continue;
+ else if(brak < level) debugcodeline(line, "too many @s");
+ if(!concs) code.add(CODE_ENTER);
+ if(concs + 2 > MAXARGS)
+ {
+ code.add(CODE_CONCW|RET_STR|(concs<<8));
+ concs = 1;
+ }
+ if(compileblockstr(code, start, esc-1, true)) concs++;
+ if(compileblocksub(code, p)) concs++;
+ if(!concs) code.pop();
+ else start = p;
+ break;
+ }
+ }
+ }
+done:
+ if(p-1 > start)
+ {
+ if(!concs) switch(wordtype)
+ {
+ case VAL_CODE:
+ {
+ p = start;
+ int inst = code.length();
+ code.add(CODE_BLOCK);
+ code.add(CODE_OFFSET|((inst+2)<<8));
+ compilestatements(code, p, VAL_ANY, ']');
+ code.add(CODE_EXIT);
+ code[inst] |= uint(code.length() - (inst + 1))<<8;
+ return;
+ }
+ case VAL_IDENT:
+ {
+ char *name = newstring(start, p-1-start);
+ compileident(code, name);
+ delete[] name;
+ return;
+ }
+ }
+ compileblockstr(code, start, p-1, concs > 0);
+ if(concs > 1) concs++;
+ }
+ if(concs)
+ {
+ code.add(CODE_CONCM|(wordtype < VAL_ANY ? wordtype<<CODE_RET : RET_STR)|(concs<<8));
+ code.add(CODE_EXIT|(wordtype < VAL_ANY ? wordtype<<CODE_RET : RET_STR));
+ }
+ switch(wordtype)
+ {
+ case VAL_CODE: if(!concs && p-1 <= start) compileblock(code); else code.add(CODE_COMPILE); break;
+ case VAL_IDENT: if(!concs && p-1 <= start) compileident(code); else code.add(CODE_IDENTU); break;
+ case VAL_STR: case VAL_NULL: case VAL_ANY:
+ if(!concs && p-1 <= start) compilestr(code);
+ break;
+ default:
+ if(!concs)
+ {
+ if(p-1 <= start) compileval(code, wordtype, NULL, 0);
+ else code.add(CODE_FORCE|(wordtype<<CODE_RET));
+ }
+ break;
+ }
+}
+
+static bool compileword(vector<uint> &code, const char *&p, int wordtype, char *&word, int &wordlen)
+{
+ skipcomments(p);
+ switch(*p)
+ {
+ case '\"': word = cutstring(p, wordlen); break;
+ case '$': compilelookup(code, p, wordtype); return true;
+ case '(':
+ p++;
+ code.add(CODE_ENTER);
+ compilestatements(code, p, VAL_ANY, ')');
+ code.add(CODE_EXIT|(wordtype < VAL_ANY ? wordtype<<CODE_RET : 0));
+ switch(wordtype)
+ {
+ case VAL_CODE: code.add(CODE_COMPILE); break;
+ case VAL_IDENT: code.add(CODE_IDENTU); break;
+ }
+ return true;
+ case '[':
+ p++;
+ compileblock(code, p, wordtype);
+ return true;
+ default: word = cutword(p, wordlen); break;
+ }
+ return word!=NULL;
+}
+
+static inline bool compilearg(vector<uint> &code, const char *&p, int wordtype)
+{
+ char *word = NULL;
+ int wordlen = 0;
+ bool more = compileword(code, p, wordtype, word, wordlen);
+ if(!more) return false;
+ if(word)
+ {
+ compileval(code, wordtype, word, wordlen);
+ delete[] word;
+ }
+ return true;
+}
+
+static void compilestatements(vector<uint> &code, const char *&p, int rettype, int brak)
+{
+ const char *line = p;
+ char *idname = NULL;
+ int idlen = 0;
+ ident *id = NULL;
+ int numargs = 0;
+ for(;;)
+ {
+ skipcomments(p);
+ idname = NULL;
+ bool more = compileword(code, p, VAL_ANY, idname, idlen);
+ if(!more) goto endstatement;
+ skipcomments(p);
+ if(p[0] == '=') switch(p[1])
+ {
+ case '/':
+ if(p[2] != '/') break;
+ case ';': case ' ': case '\t': case '\r': case '\n': case '\0':
+ p++;
+ if(idname)
+ {
+ id = newident(idname, IDF_UNKNOWN);
+ if(id) switch(id->type)
+ {
+ case ID_ALIAS:
+ if(!(more = compilearg(code, p, VAL_ANY))) compilestr(code);
+ code.add((id->index < MAXARGS ? CODE_ALIASARG : CODE_ALIAS)|(id->index<<8));
+ goto endcommand;
+ case ID_VAR:
+ if(!(more = compilearg(code, p, VAL_INT))) compileint(code);
+ code.add(CODE_IVAR1|(id->index<<8));
+ goto endcommand;
+ case ID_FVAR:
+ if(!(more = compilearg(code, p, VAL_FLOAT))) compilefloat(code);
+ code.add(CODE_FVAR1|(id->index<<8));
+ goto endcommand;
+ case ID_SVAR:
+ if(!(more = compilearg(code, p, VAL_STR))) compilestr(code);
+ code.add(CODE_SVAR1|(id->index<<8));
+ goto endcommand;
+ case ID_COMMAND:
+ if(id->flags&IDF_EMUVAR) goto compilecommand;
+ break;
+ }
+ compilestr(code, idname, idlen, true);
+ delete[] idname;
+ }
+ if(!(more = compilearg(code, p, VAL_ANY))) compilestr(code);
+ code.add(CODE_ALIASU);
+ goto endstatement;
+ }
+ compilecommand:
+ numargs = 0;
+ if(!idname)
+ {
+ noid:
+ while(numargs < MAXARGS && (more = compilearg(code, p, VAL_ANY))) numargs++;
+ code.add(CODE_CALLU);
+ }
+ else
+ {
+ id = idents.access(idname);
+ if(!id)
+ {
+ if(!checknumber(idname)) { compilestr(code, idname, idlen); delete[] idname; goto noid; }
+ char *end = idname;
+ int val = int(strtoul(idname, &end, 0));
+ if(*end) compilestr(code, idname, idlen);
+ else compileint(code, val);
+ code.add(CODE_RESULT);
+ }
+ else switch(id->type)
+ {
+ case ID_ALIAS:
+ while(numargs < MAXARGS && (more = compilearg(code, p, VAL_ANY))) numargs++;
+ code.add((id->index < MAXARGS ? CODE_CALLARG : CODE_CALL)|(id->index<<8));
+ break;
+ case ID_COMMAND:
+ {
+ int comtype = CODE_COM, fakeargs = 0;
+ bool rep = false;
+ for(const char *fmt = id->args; *fmt; fmt++) switch(*fmt)
+ {
+ case 's':
+ if(more) more = compilearg(code, p, VAL_STR);
+ if(!more)
+ {
+ if(rep) break;
+ compilestr(code, NULL, 0, true);
+ fakeargs++;
+ }
+ else if(!fmt[1])
+ {
+ int numconc = 0;
+ while(numargs + numconc < MAXARGS && (more = compilearg(code, p, VAL_STR))) numconc++;
+ if(numconc > 0) code.add(CODE_CONC|RET_STR|((numconc+1)<<8));
+ }
+ numargs++;
+ break;
+ case 'i': if(more) more = compilearg(code, p, VAL_INT); if(!more) { if(rep) break; compileint(code); fakeargs++; } numargs++; break;
+ case 'b': if(more) more = compilearg(code, p, VAL_INT); if(!more) { if(rep) break; compileint(code, INT_MIN); fakeargs++; } numargs++; break;
+ case 'f': if(more) more = compilearg(code, p, VAL_FLOAT); if(!more) { if(rep) break; compilefloat(code); fakeargs++; } numargs++; break;
+ case 't': if(more) more = compilearg(code, p, VAL_ANY); if(!more) { if(rep) break; compilenull(code); fakeargs++; } numargs++; break;
+ case 'e': if(more) more = compilearg(code, p, VAL_CODE); if(!more) { if(rep) break; compileblock(code); fakeargs++; } numargs++; break;
+ case 'r': if(more) more = compilearg(code, p, VAL_IDENT); if(!more) { if(rep) break; compileident(code); fakeargs++; } numargs++; break;
+ case '$': compileident(code, id); numargs++; break;
+ case 'N': compileint(code, numargs-fakeargs); numargs++; break;
+#ifndef STANDALONE
+ case 'D': comtype = CODE_COMD; numargs++; break;
+#endif
+ case 'C': comtype = CODE_COMC; if(more) while(numargs < MAXARGS && (more = compilearg(code, p, VAL_ANY))) numargs++; numargs = 1; goto endfmt;
+ case 'V': comtype = CODE_COMV; if(more) while(numargs < MAXARGS && (more = compilearg(code, p, VAL_ANY))) numargs++; numargs = 2; goto endfmt;
+ case '1': case '2': case '3': case '4':
+ if(more && numargs < MAXARGS)
+ {
+ int numrep = *fmt-'0'+1;
+ fmt -= numrep;
+ rep = true;
+ }
+ else for(; numargs > MAXARGS; numargs--) code.add(CODE_POP);
+ break;
+ }
+ endfmt:
+ code.add(comtype|(rettype < VAL_ANY ? rettype<<CODE_RET : 0)|(id->index<<8));
+ break;
+ }
+ case ID_LOCAL:
+ if(more) while(numargs < MAXARGS && (more = compilearg(code, p, VAL_IDENT))) numargs++;
+ if(more) while((more = compilearg(code, p, VAL_ANY))) code.add(CODE_POP);
+ code.add(CODE_LOCAL);
+ break;
+ case ID_VAR:
+ if(!(more = compilearg(code, p, VAL_INT))) code.add(CODE_PRINT|(id->index<<8));
+ else if(!(id->flags&IDF_HEX) || !(more = compilearg(code, p, VAL_INT))) code.add(CODE_IVAR1|(id->index<<8));
+ else if(!(more = compilearg(code, p, VAL_INT))) code.add(CODE_IVAR2|(id->index<<8));
+ else code.add(CODE_IVAR3|(id->index<<8));
+ break;
+ case ID_FVAR:
+ if(!(more = compilearg(code, p, VAL_FLOAT))) code.add(CODE_PRINT|(id->index<<8));
+ else code.add(CODE_FVAR1|(id->index<<8));
+ break;
+ case ID_SVAR:
+ if(!(more = compilearg(code, p, VAL_STR))) code.add(CODE_PRINT|(id->index<<8));
+ else
+ {
+ int numconc = 0;
+ while(numconc+1 < MAXARGS && (more = compilearg(code, p, VAL_ANY))) numconc++;
+ if(numconc > 0) code.add(CODE_CONC|RET_STR|((numconc+1)<<8));
+ code.add(CODE_SVAR1|(id->index<<8));
+ }
+ break;
+ }
+ endcommand:
+ delete[] idname;
+ }
+ endstatement:
+ if(more) while(compilearg(code, p, VAL_ANY)) code.add(CODE_POP);
+ p += strcspn(p, ")];/\n\0");
+ int c = *p++;
+ switch(c)
+ {
+ case '\0':
+ if(c != brak) debugcodeline(line, "missing \"%c\"", brak);
+ p--;
+ return;
+
+ case ')':
+ case ']':
+ if(c == brak) return;
+ debugcodeline(line, "unexpected \"%c\"", c);
+ break;
+
+ case '/':
+ if(*p == '/') p += strcspn(p, "\n\0");
+ goto endstatement;
+ }
+ }
+}
+
+static void compilemain(vector<uint> &code, const char *p, int rettype = VAL_ANY)
+{
+ code.add(CODE_START);
+ compilestatements(code, p, VAL_ANY);
+ code.add(CODE_EXIT|(rettype < VAL_ANY ? rettype<<CODE_RET : 0));
+}
+
+uint *compilecode(const char *p)
+{
+ vector<uint> buf;
+ buf.reserve(64);
+ compilemain(buf, p);
+ uint *code = new uint[buf.length()];
+ memcpy(code, buf.getbuf(), buf.length()*sizeof(uint));
+ code[0] += 0x100;
+ return code;
+}
+
+void keepcode(uint *code)
+{
+ if(!code) return;
+ switch(*code&CODE_OP_MASK)
+ {
+ case CODE_START:
+ *code += 0x100;
+ return;
+ }
+ switch(code[-1]&CODE_OP_MASK)
+ {
+ case CODE_START:
+ code[-1] += 0x100;
+ break;
+ case CODE_OFFSET:
+ code -= int(code[-1]>>8);
+ *code += 0x100;
+ break;
+ }
+}
+
+void freecode(uint *code)
+{
+ if(!code) return;
+ switch(*code&CODE_OP_MASK)
+ {
+ case CODE_START:
+ *code -= 0x100;
+ if(int(*code) < 0x100) delete[] code;
+ return;
+ }
+ switch(code[-1]&CODE_OP_MASK)
+ {
+ case CODE_START:
+ code[-1] -= 0x100;
+ if(int(code[-1]) < 0x100) delete[] &code[-1];
+ break;
+ case CODE_OFFSET:
+ code -= int(code[-1]>>8);
+ *code -= 0x100;
+ if(int(*code) < 0x100) delete[] code;
+ break;
+ }
+}
+
+void printvar(ident *id, int i)
+{
+ if(i < 0) conoutf(CON_INFO, id->index, "%s = %d", id->name, i);
+ else if(id->flags&IDF_HEX && id->maxval==0xFFFFFF)
+ conoutf(CON_INFO, id->index, "%s = 0x%.6X (%d, %d, %d)", id->name, i, (i>>16)&0xFF, (i>>8)&0xFF, i&0xFF);
+ else
+ conoutf(CON_INFO, id->index, id->flags&IDF_HEX ? "%s = 0x%X" : "%s = %d", id->name, i);
+}
+
+void printfvar(ident *id, float f)
+{
+ conoutf(CON_INFO, id->index, "%s = %s", id->name, floatstr(f));
+}
+
+void printsvar(ident *id, const char *s)
+{
+ conoutf(CON_INFO, id->index, strchr(s, '"') ? "%s = [%s]" : "%s = \"%s\"", id->name, s);
+}
+
+template <class V>
+static void printvar(ident *id, int type, V &val)
+{
+ switch(type)
+ {
+ case VAL_INT: printvar(id, val.getint()); break;
+ case VAL_FLOAT: printfvar(id, val.getfloat()); break;
+ default: printsvar(id, val.getstr()); break;
+ }
+}
+
+void printvar(ident *id)
+{
+ switch(id->type)
+ {
+ case ID_VAR: printvar(id, *id->storage.i); break;
+ case ID_FVAR: printfvar(id, *id->storage.f); break;
+ case ID_SVAR: printsvar(id, *id->storage.s); break;
+ case ID_ALIAS: printvar(id, id->valtype, *id); break;
+ case ID_COMMAND:
+ if(id->flags&IDF_EMUVAR)
+ {
+ tagval result;
+ executeret(id, NULL, 0, true, result);
+ printvar(id, result.type, result);
+ freearg(result);
+ }
+ break;
+ }
+}
+ICOMMAND(printvar, "r", (ident *id), printvar(id));
+
+typedef void (__cdecl *comfun)();
+typedef void (__cdecl *comfun1)(void *);
+typedef void (__cdecl *comfun2)(void *, void *);
+typedef void (__cdecl *comfun3)(void *, void *, void *);
+typedef void (__cdecl *comfun4)(void *, void *, void *, void *);
+typedef void (__cdecl *comfun5)(void *, void *, void *, void *, void *);
+typedef void (__cdecl *comfun6)(void *, void *, void *, void *, void *, void *);
+typedef void (__cdecl *comfun7)(void *, void *, void *, void *, void *, void *, void *);
+typedef void (__cdecl *comfun8)(void *, void *, void *, void *, void *, void *, void *, void *);
+typedef void (__cdecl *comfun9)(void *, void *, void *, void *, void *, void *, void *, void *, void *);
+typedef void (__cdecl *comfun10)(void *, void *, void *, void *, void *, void *, void *, void *, void *, void *);
+typedef void (__cdecl *comfun11)(void *, void *, void *, void *, void *, void *, void *, void *, void *, void *, void *);
+typedef void (__cdecl *comfun12)(void *, void *, void *, void *, void *, void *, void *, void *, void *, void *, void *, void *);
+typedef void (__cdecl *comfunv)(tagval *, int);
+
+static const uint *skipcode(const uint *code, tagval &result)
+{
+ int depth = 0;
+ for(;;)
+ {
+ uint op = *code++;
+ switch(op&0xFF)
+ {
+ case CODE_MACRO:
+ case CODE_VAL|RET_STR:
+ {
+ uint len = op>>8;
+ code += len/sizeof(uint) + 1;
+ continue;
+ }
+ case CODE_BLOCK:
+ {
+ uint len = op>>8;
+ code += len;
+ continue;
+ }
+ case CODE_ENTER:
+ ++depth;
+ continue;
+ case CODE_EXIT|RET_NULL: case CODE_EXIT|RET_STR: case CODE_EXIT|RET_INT: case CODE_EXIT|RET_FLOAT:
+ if(depth <= 0)
+ {
+ forcearg(result, op&CODE_RET_MASK);
+ return code;
+ }
+ --depth;
+ continue;
+ }
+ }
+}
+
+static inline void callcommand(ident *id, tagval *args, int numargs, bool lookup = false)
+{
+ int i = -1, fakeargs = 0;
+ bool rep = false;
+ for(const char *fmt = id->args; *fmt; fmt++) switch(*fmt)
+ {
+ case 'i': if(++i >= numargs) { if(rep) break; args[i].setint(0); fakeargs++; } else forceint(args[i]); break;
+ case 'b': if(++i >= numargs) { if(rep) break; args[i].setint(INT_MIN); fakeargs++; } else forceint(args[i]); break;
+ case 'f': if(++i >= numargs) { if(rep) break; args[i].setfloat(0.0f); fakeargs++; } else forcefloat(args[i]); break;
+ case 's': if(++i >= numargs) { if(rep) break; args[i].setstr(newstring("")); fakeargs++; } else forcestr(args[i]); break;
+ case 't': if(++i >= numargs) { if(rep) break; args[i].setnull(); fakeargs++; } break;
+ case 'e':
+ if(++i >= numargs)
+ {
+ if(rep) break;
+ static uint buf[2] = { CODE_START + 0x100, CODE_EXIT };
+ args[i].setcode(buf);
+ fakeargs++;
+ }
+ else
+ {
+ vector<uint> buf;
+ buf.reserve(64);
+ compilemain(buf, numargs <= i ? "" : args[i].getstr());
+ freearg(args[i]);
+ args[i].setcode(buf.getbuf()+1);
+ buf.disown();
+ }
+ break;
+ case 'r': if(++i >= numargs) { if(rep) break; args[i].setident(dummyident); fakeargs++; } else forceident(args[i]); break;
+ case '$': if(++i < numargs) freearg(args[i]); args[i].setident(id); break;
+ case 'N': if(++i < numargs) freearg(args[i]); args[i].setint(lookup ? -1 : i-fakeargs); break;
+#ifndef STANDALONE
+ case 'D': if(++i < numargs) freearg(args[i]); args[i].setint(addreleaseaction(conc(args, i, true, id->name)) ? 1 : 0); fakeargs++; break;
+#endif
+ case 'C': { i = max(i+1, numargs); vector<char> buf; ((comfun1)id->fun)(conc(buf, args, i, true)); goto cleanup; }
+ case 'V': i = max(i+1, numargs); ((comfunv)id->fun)(args, i); goto cleanup;
+ case '1': case '2': case '3': case '4': if(i+1 < numargs) { fmt -= *fmt-'0'+1; rep = true; } break;
+ }
+ #define ARG(n) (id->argmask&(1<<n) ? (void *)args[n].s : (void *)&args[n].i)
+ #define CALLCOM(n) \
+ switch(n) \
+ { \
+ case 0: ((comfun)id->fun)(); break; \
+ case 1: ((comfun1)id->fun)(ARG(0)); break; \
+ case 2: ((comfun2)id->fun)(ARG(0), ARG(1)); break; \
+ case 3: ((comfun3)id->fun)(ARG(0), ARG(1), ARG(2)); break; \
+ case 4: ((comfun4)id->fun)(ARG(0), ARG(1), ARG(2), ARG(3)); break; \
+ case 5: ((comfun5)id->fun)(ARG(0), ARG(1), ARG(2), ARG(3), ARG(4)); break; \
+ case 6: ((comfun6)id->fun)(ARG(0), ARG(1), ARG(2), ARG(3), ARG(4), ARG(5)); break; \
+ case 7: ((comfun7)id->fun)(ARG(0), ARG(1), ARG(2), ARG(3), ARG(4), ARG(5), ARG(6)); break; \
+ case 8: ((comfun8)id->fun)(ARG(0), ARG(1), ARG(2), ARG(3), ARG(4), ARG(5), ARG(6), ARG(7)); break; \
+ case 9: ((comfun9)id->fun)(ARG(0), ARG(1), ARG(2), ARG(3), ARG(4), ARG(5), ARG(6), ARG(7), ARG(8)); break; \
+ case 10: ((comfun10)id->fun)(ARG(0), ARG(1), ARG(2), ARG(3), ARG(4), ARG(5), ARG(6), ARG(7), ARG(8), ARG(9)); break; \
+ case 11: ((comfun11)id->fun)(ARG(0), ARG(1), ARG(2), ARG(3), ARG(4), ARG(5), ARG(6), ARG(7), ARG(8), ARG(9), ARG(10)); break; \
+ case 12: ((comfun12)id->fun)(ARG(0), ARG(1), ARG(2), ARG(3), ARG(4), ARG(5), ARG(6), ARG(7), ARG(8), ARG(9), ARG(10), ARG(11)); break; \
+ }
+ ++i;
+ CALLCOM(i)
+cleanup:
+ loopk(i) freearg(args[k]);
+ for(; i < numargs; i++) freearg(args[i]);
+}
+
+#define MAXRUNDEPTH 255
+static int rundepth = 0;
+
+static const uint *runcode(const uint *code, tagval &result)
+{
+ result.setnull();
+ if(rundepth >= MAXRUNDEPTH)
+ {
+ debugcode("exceeded recursion limit");
+ return skipcode(code, result);
+ }
+ ++rundepth;
+ ident *id = NULL;
+ int numargs = 0;
+ tagval args[MAXARGS+1], *prevret = commandret;
+ commandret = &result;
+ for(;;)
+ {
+ uint op = *code++;
+ switch(op&0xFF)
+ {
+ case CODE_START: case CODE_OFFSET: continue;
+
+ case CODE_POP:
+ freearg(args[--numargs]);
+ continue;
+ case CODE_ENTER:
+ code = runcode(code, args[numargs++]);
+ continue;
+ case CODE_EXIT|RET_NULL: case CODE_EXIT|RET_STR: case CODE_EXIT|RET_INT: case CODE_EXIT|RET_FLOAT:
+ forcearg(result, op&CODE_RET_MASK);
+ goto exit;
+ case CODE_PRINT:
+ printvar(identmap[op>>8]);
+ continue;
+ case CODE_LOCAL:
+ {
+ identstack locals[MAXARGS];
+ freearg(result);
+ loopi(numargs) pushalias(*args[i].id, locals[i]);
+ code = runcode(code, result);
+ loopi(numargs) popalias(*args[i].id);
+ goto exit;
+ }
+
+ case CODE_MACRO:
+ {
+ uint len = op>>8;
+ args[numargs++].setmacro(code);
+ code += len/sizeof(uint) + 1;
+ continue;
+ }
+
+ case CODE_VAL|RET_STR:
+ {
+ uint len = op>>8;
+ args[numargs++].setstr(newstring((const char *)code, len));
+ code += len/sizeof(uint) + 1;
+ continue;
+ }
+ case CODE_VALI|RET_STR:
+ {
+ char s[4] = { char((op>>8)&0xFF), char((op>>16)&0xFF), char((op>>24)&0xFF), '\0' };
+ args[numargs++].setstr(newstring(s));
+ continue;
+ }
+ case CODE_VAL|RET_NULL:
+ case CODE_VALI|RET_NULL: args[numargs++].setnull(); continue;
+ case CODE_VAL|RET_INT: args[numargs++].setint(int(*code++)); continue;
+ case CODE_VALI|RET_INT: args[numargs++].setint(int(op)>>8); continue;
+ case CODE_VAL|RET_FLOAT: args[numargs++].setfloat(*(const float *)code++); continue;
+ case CODE_VALI|RET_FLOAT: args[numargs++].setfloat(float(int(op)>>8)); continue;
+
+ case CODE_FORCE|RET_STR: forcestr(args[numargs-1]); continue;
+ case CODE_FORCE|RET_INT: forceint(args[numargs-1]); continue;
+ case CODE_FORCE|RET_FLOAT: forcefloat(args[numargs-1]); continue;
+
+ case CODE_RESULT|RET_NULL: case CODE_RESULT|RET_STR: case CODE_RESULT|RET_INT: case CODE_RESULT|RET_FLOAT:
+ litval:
+ freearg(result);
+ result = args[0];
+ forcearg(result, op&CODE_RET_MASK);
+ args[0].setnull();
+ freeargs(args, numargs, 0);
+ continue;
+
+ case CODE_BLOCK:
+ {
+ uint len = op>>8;
+ args[numargs++].setcode(code+1);
+ code += len;
+ continue;
+ }
+ case CODE_COMPILE:
+ {
+ tagval &arg = args[numargs-1];
+ vector<uint> buf;
+ switch(arg.type)
+ {
+ case VAL_INT: buf.reserve(8); buf.add(CODE_START); compileint(buf, arg.i); buf.add(CODE_RESULT); buf.add(CODE_EXIT); break;
+ case VAL_FLOAT: buf.reserve(8); buf.add(CODE_START); compilefloat(buf, arg.f); buf.add(CODE_RESULT); buf.add(CODE_EXIT); break;
+ case VAL_STR: case VAL_MACRO: buf.reserve(64); compilemain(buf, arg.s); freearg(arg); break;
+ default: buf.reserve(8); buf.add(CODE_START); compilenull(buf); buf.add(CODE_RESULT); buf.add(CODE_EXIT); break;
+ }
+ arg.setcode(buf.getbuf()+1);
+ buf.disown();
+ continue;
+ }
+
+ case CODE_IDENT:
+ args[numargs++].setident(identmap[op>>8]);
+ continue;
+ case CODE_IDENTARG:
+ {
+ ident *id = identmap[op>>8];
+ if(!(aliasstack->usedargs&(1<<id->index)))
+ {
+ pusharg(*id, nullval, aliasstack->argstack[id->index]);
+ aliasstack->usedargs |= 1<<id->index;
+ }
+ args[numargs++].setident(id);
+ continue;
+ }
+ case CODE_IDENTU:
+ {
+ tagval &arg = args[numargs-1];
+ ident *id = arg.type == VAL_STR || arg.type == VAL_MACRO ? newident(arg.s, IDF_UNKNOWN) : dummyident;
+ if(id->index < MAXARGS && !(aliasstack->usedargs&(1<<id->index)))
+ {
+ pusharg(*id, nullval, aliasstack->argstack[id->index]);
+ aliasstack->usedargs |= 1<<id->index;
+ }
+ freearg(arg);
+ arg.setident(id);
+ continue;
+ }
+
+ case CODE_LOOKUPU|RET_STR:
+ #define LOOKUPU(aval, sval, ival, fval, nval) { \
+ tagval &arg = args[numargs-1]; \
+ if(arg.type != VAL_STR && arg.type != VAL_MACRO) continue; \
+ id = idents.access(arg.s); \
+ if(id) switch(id->type) \
+ { \
+ case ID_ALIAS: \
+ if(id->flags&IDF_UNKNOWN) break; \
+ freearg(arg); \
+ if(id->index < MAXARGS && !(aliasstack->usedargs&(1<<id->index))) { nval; continue; } \
+ aval; \
+ continue; \
+ case ID_SVAR: freearg(arg); sval; continue; \
+ case ID_VAR: freearg(arg); ival; continue; \
+ case ID_FVAR: freearg(arg); fval; continue; \
+ case ID_COMMAND: \
+ { \
+ freearg(arg); \
+ arg.setnull(); \
+ commandret = &arg; \
+ tagval buf[MAXARGS]; \
+ callcommand(id, buf, 0, true); \
+ forcearg(arg, op&CODE_RET_MASK); \
+ commandret = &result; \
+ continue; \
+ } \
+ default: freearg(arg); nval; continue; \
+ } \
+ debugcode("unknown alias lookup: %s", arg.s); \
+ freearg(arg); \
+ nval; \
+ continue; \
+ }
+ LOOKUPU(arg.setstr(newstring(id->getstr())),
+ arg.setstr(newstring(*id->storage.s)),
+ arg.setstr(newstring(intstr(*id->storage.i))),
+ arg.setstr(newstring(floatstr(*id->storage.f))),
+ arg.setstr(newstring("")));
+ case CODE_LOOKUP|RET_STR:
+ #define LOOKUP(aval) { \
+ id = identmap[op>>8]; \
+ if(id->flags&IDF_UNKNOWN) debugcode("unknown alias lookup: %s", id->name); \
+ aval; \
+ continue; \
+ }
+ LOOKUP(args[numargs++].setstr(newstring(id->getstr())));
+ case CODE_LOOKUPARG|RET_STR:
+ #define LOOKUPARG(aval, nval) { \
+ id = identmap[op>>8]; \
+ if(!(aliasstack->usedargs&(1<<id->index))) { nval; continue; } \
+ aval; \
+ continue; \
+ }
+ LOOKUPARG(args[numargs++].setstr(newstring(id->getstr())), args[numargs++].setstr(newstring("")));
+ case CODE_LOOKUPU|RET_INT:
+ LOOKUPU(arg.setint(id->getint()),
+ arg.setint(parseint(*id->storage.s)),
+ arg.setint(*id->storage.i),
+ arg.setint(int(*id->storage.f)),
+ arg.setint(0));
+ case CODE_LOOKUP|RET_INT:
+ LOOKUP(args[numargs++].setint(id->getint()));
+ case CODE_LOOKUPARG|RET_INT:
+ LOOKUPARG(args[numargs++].setint(id->getint()), args[numargs++].setint(0));
+ case CODE_LOOKUPU|RET_FLOAT:
+ LOOKUPU(arg.setfloat(id->getfloat()),
+ arg.setfloat(parsefloat(*id->storage.s)),
+ arg.setfloat(float(*id->storage.i)),
+ arg.setfloat(*id->storage.f),
+ arg.setfloat(0.0f));
+ case CODE_LOOKUP|RET_FLOAT:
+ LOOKUP(args[numargs++].setfloat(id->getfloat()));
+ case CODE_LOOKUPARG|RET_FLOAT:
+ LOOKUPARG(args[numargs++].setfloat(id->getfloat()), args[numargs++].setfloat(0.0f));
+ case CODE_LOOKUPU|RET_NULL:
+ LOOKUPU(id->getval(arg),
+ arg.setstr(newstring(*id->storage.s)),
+ arg.setint(*id->storage.i),
+ arg.setfloat(*id->storage.f),
+ arg.setnull());
+ case CODE_LOOKUP|RET_NULL:
+ LOOKUP(id->getval(args[numargs++]));
+ case CODE_LOOKUPARG|RET_NULL:
+ LOOKUPARG(id->getval(args[numargs++]), args[numargs++].setnull());
+
+ case CODE_SVAR|RET_STR: case CODE_SVAR|RET_NULL: args[numargs++].setstr(newstring(*identmap[op>>8]->storage.s)); continue;
+ case CODE_SVAR|RET_INT: args[numargs++].setint(parseint(*identmap[op>>8]->storage.s)); continue;
+ case CODE_SVAR|RET_FLOAT: args[numargs++].setfloat(parsefloat(*identmap[op>>8]->storage.s)); continue;
+ case CODE_SVAR1: setsvarchecked(identmap[op>>8], args[0].s); freeargs(args, numargs, 0); continue;
+
+ case CODE_IVAR|RET_INT: case CODE_IVAR|RET_NULL: args[numargs++].setint(*identmap[op>>8]->storage.i); continue;
+ case CODE_IVAR|RET_STR: args[numargs++].setstr(newstring(intstr(*identmap[op>>8]->storage.i))); continue;
+ case CODE_IVAR|RET_FLOAT: args[numargs++].setfloat(float(*identmap[op>>8]->storage.i)); continue;
+ case CODE_IVAR1: setvarchecked(identmap[op>>8], args[0].i); numargs = 0; continue;
+ case CODE_IVAR2: setvarchecked(identmap[op>>8], (args[0].i<<16)|(args[1].i<<8)); numargs = 0; continue;
+ case CODE_IVAR3: setvarchecked(identmap[op>>8], (args[0].i<<16)|(args[1].i<<8)|args[2].i); numargs = 0; continue;
+
+ case CODE_FVAR|RET_FLOAT: case CODE_FVAR|RET_NULL: args[numargs++].setfloat(*identmap[op>>8]->storage.f); continue;
+ case CODE_FVAR|RET_STR: args[numargs++].setstr(newstring(floatstr(*identmap[op>>8]->storage.f))); continue;
+ case CODE_FVAR|RET_INT: args[numargs++].setint(int(*identmap[op>>8]->storage.f)); continue;
+ case CODE_FVAR1: setfvarchecked(identmap[op>>8], args[0].f); numargs = 0; continue;
+
+ case CODE_COM|RET_NULL: case CODE_COM|RET_STR: case CODE_COM|RET_FLOAT: case CODE_COM|RET_INT:
+ id = identmap[op>>8];
+#ifndef STANDALONE
+ callcom:
+#endif
+ forcenull(result);
+ CALLCOM(numargs)
+ forceresult:
+ freeargs(args, numargs, 0);
+ forcearg(result, op&CODE_RET_MASK);
+ continue;
+#ifndef STANDALONE
+ case CODE_COMD|RET_NULL: case CODE_COMD|RET_STR: case CODE_COMD|RET_FLOAT: case CODE_COMD|RET_INT:
+ id = identmap[op>>8];
+ args[numargs].setint(addreleaseaction(conc(args, numargs, true, id->name)) ? 1 : 0);
+ numargs++;
+ goto callcom;
+#endif
+ case CODE_COMV|RET_NULL: case CODE_COMV|RET_STR: case CODE_COMV|RET_FLOAT: case CODE_COMV|RET_INT:
+ id = identmap[op>>8];
+ forcenull(result);
+ ((comfunv)id->fun)(args, numargs);
+ goto forceresult;
+ case CODE_COMC|RET_NULL: case CODE_COMC|RET_STR: case CODE_COMC|RET_FLOAT: case CODE_COMC|RET_INT:
+ id = identmap[op>>8];
+ forcenull(result);
+ {
+ vector<char> buf;
+ buf.reserve(MAXSTRLEN);
+ ((comfun1)id->fun)(conc(buf, args, numargs, true));
+ }
+ goto forceresult;
+
+ case CODE_CONC|RET_NULL: case CODE_CONC|RET_STR: case CODE_CONC|RET_FLOAT: case CODE_CONC|RET_INT:
+ case CODE_CONCW|RET_NULL: case CODE_CONCW|RET_STR: case CODE_CONCW|RET_FLOAT: case CODE_CONCW|RET_INT:
+ {
+ int numconc = op>>8;
+ char *s = conc(&args[numargs-numconc], numconc, (op&CODE_OP_MASK)==CODE_CONC);
+ freeargs(args, numargs, numargs-numconc);
+ args[numargs++].setstr(s);
+ forcearg(args[numargs-1], op&CODE_RET_MASK);
+ continue;
+ }
+
+ case CODE_CONCM|RET_NULL: case CODE_CONCM|RET_STR: case CODE_CONCM|RET_FLOAT: case CODE_CONCM|RET_INT:
+ {
+ int numconc = op>>8;
+ char *s = conc(&args[numargs-numconc], numconc, false);
+ freeargs(args, numargs, numargs-numconc);
+ result.setstr(s);
+ forcearg(result, op&CODE_RET_MASK);
+ continue;
+ }
+
+ case CODE_ALIAS:
+ setalias(*identmap[op>>8], args[--numargs]);
+ freeargs(args, numargs, 0);
+ continue;
+ case CODE_ALIASARG:
+ setarg(*identmap[op>>8], args[--numargs]);
+ freeargs(args, numargs, 0);
+ continue;
+ case CODE_ALIASU:
+ forcestr(args[0]);
+ setalias(args[0].s, args[--numargs]);
+ freeargs(args, numargs, 0);
+ continue;
+
+ case CODE_CALL|RET_NULL: case CODE_CALL|RET_STR: case CODE_CALL|RET_FLOAT: case CODE_CALL|RET_INT:
+ #define CALLALIAS(offset) { \
+ identstack argstack[MAXARGS]; \
+ for(int i = 0; i < numargs-offset; i++) \
+ pusharg(*identmap[i], args[i+offset], argstack[i]); \
+ int oldargs = _numargs, newargs = numargs-offset; \
+ _numargs = newargs; \
+ int oldflags = identflags; \
+ identflags |= id->flags&IDF_OVERRIDDEN; \
+ identlink aliaslink = { id, aliasstack, (1<<newargs)-1, argstack }; \
+ aliasstack = &aliaslink; \
+ if(!id->code) id->code = compilecode(id->getstr()); \
+ uint *code = id->code; \
+ code[0] += 0x100; \
+ runcode(code+1, result); \
+ code[0] -= 0x100; \
+ if(int(code[0]) < 0x100) delete[] code; \
+ aliasstack = aliaslink.next; \
+ identflags = oldflags; \
+ for(int i = 0; i < newargs; i++) \
+ poparg(*identmap[i]); \
+ for(int argmask = aliaslink.usedargs&(~0U<<newargs), i = newargs; argmask; i++) \
+ if(argmask&(1<<i)) { poparg(*identmap[i]); argmask &= ~(1<<i); } \
+ forcearg(result, op&CODE_RET_MASK); \
+ _numargs = oldargs; \
+ numargs = 0; \
+ }
+ forcenull(result);
+ id = identmap[op>>8];
+ if(id->flags&IDF_UNKNOWN)
+ {
+ debugcode("unknown command: %s", id->name);
+ goto forceresult;
+ }
+ CALLALIAS(0);
+ continue;
+ case CODE_CALLARG|RET_NULL: case CODE_CALLARG|RET_STR: case CODE_CALLARG|RET_FLOAT: case CODE_CALLARG|RET_INT:
+ forcenull(result);
+ id = identmap[op>>8];
+ if(!(aliasstack->usedargs&(1<<id->index))) goto forceresult;
+ CALLALIAS(0);
+ continue;
+
+ case CODE_CALLU|RET_NULL: case CODE_CALLU|RET_STR: case CODE_CALLU|RET_FLOAT: case CODE_CALLU|RET_INT:
+ if(args[0].type != VAL_STR) goto litval;
+ id = idents.access(args[0].s);
+ if(!id)
+ {
+ noid:
+ if(checknumber(args[0].s)) goto litval;
+ debugcode("unknown command: %s", args[0].s);
+ forcenull(result);
+ goto forceresult;
+ }
+ forcenull(result);
+ switch(id->type)
+ {
+ case ID_COMMAND:
+ freearg(args[0]);
+ callcommand(id, args+1, numargs-1);
+ forcearg(result, op&CODE_RET_MASK);
+ numargs = 0;
+ continue;
+ case ID_LOCAL:
+ {
+ identstack locals[MAXARGS];
+ freearg(args[0]);
+ loopj(numargs-1) pushalias(*forceident(args[j+1]), locals[j]);
+ code = runcode(code, result);
+ loopj(numargs-1) popalias(*args[j+1].id);
+ goto exit;
+ }
+ case ID_VAR:
+ if(numargs <= 1) printvar(id); else setvarchecked(id, &args[1], numargs-1);
+ goto forceresult;
+ case ID_FVAR:
+ if(numargs <= 1) printvar(id); else setfvarchecked(id, forcefloat(args[1]));
+ goto forceresult;
+ case ID_SVAR:
+ if(numargs <= 1) printvar(id); else setsvarchecked(id, forcestr(args[1]));
+ goto forceresult;
+ case ID_ALIAS:
+ if(id->index < MAXARGS && !(aliasstack->usedargs&(1<<id->index))) goto forceresult;
+ if(id->valtype==VAL_NULL) goto noid;
+ freearg(args[0]);
+ CALLALIAS(1);
+ continue;
+ default:
+ goto forceresult;
+ }
+ }
+ }
+exit:
+ commandret = prevret;
+ --rundepth;
+ return code;
+}
+
+void executeret(const uint *code, tagval &result)
+{
+ runcode(code, result);
+}
+
+void executeret(const char *p, tagval &result)
+{
+ vector<uint> code;
+ code.reserve(64);
+ compilemain(code, p, VAL_ANY);
+ runcode(code.getbuf()+1, result);
+ if(int(code[0]) >= 0x100) code.disown();
+}
+
+void executeret(ident *id, tagval *args, int numargs, bool lookup, tagval &result)
+{
+ result.setnull();
+ ++rundepth;
+ tagval *prevret = commandret;
+ commandret = &result;
+ if(rundepth > MAXRUNDEPTH) debugcode("exceeded recursion limit");
+ else if(id) switch(id->type)
+ {
+ default:
+ if(!id->fun) break;
+ // fall-through
+ case ID_COMMAND:
+ if(numargs < id->numargs)
+ {
+ tagval buf[MAXARGS];
+ memcpy(buf, args, numargs*sizeof(tagval));
+ callcommand(id, buf, numargs, lookup);
+ }
+ else callcommand(id, args, numargs, lookup);
+ numargs = 0;
+ break;
+ case ID_VAR:
+ if(numargs <= 0) printvar(id); else setvarchecked(id, args, numargs);
+ break;
+ case ID_FVAR:
+ if(numargs <= 0) printvar(id); else setfvarchecked(id, forcefloat(args[0]));
+ break;
+ case ID_SVAR:
+ if(numargs <= 0) printvar(id); else setsvarchecked(id, forcestr(args[0]));
+ break;
+ case ID_ALIAS:
+ if(id->index < MAXARGS && !(aliasstack->usedargs&(1<<id->index))) break;
+ if(id->valtype==VAL_NULL) break;
+ #define op RET_NULL
+ CALLALIAS(0);
+ #undef op
+ break;
+ }
+ freeargs(args, numargs, 0);
+ commandret = prevret;
+ --rundepth;
+}
+
+char *executestr(const uint *code)
+{
+ tagval result;
+ runcode(code, result);
+ if(result.type == VAL_NULL) return NULL;
+ forcestr(result);
+ return result.s;
+}
+
+char *executestr(const char *p)
+{
+ tagval result;
+ executeret(p, result);
+ if(result.type == VAL_NULL) return NULL;
+ forcestr(result);
+ return result.s;
+}
+
+char *executestr(ident *id, tagval *args, int numargs, bool lookup)
+{
+ tagval result;
+ executeret(id, args, numargs, lookup, result);
+ if(result.type == VAL_NULL) return NULL;
+ forcestr(result);
+ return result.s;
+}
+
+char *execidentstr(const char *name, bool lookup)
+{
+ ident *id = idents.access(name);
+ return id ? executestr(id, NULL, 0, lookup) : NULL;
+}
+
+int execute(const uint *code)
+{
+ tagval result;
+ runcode(code, result);
+ int i = result.getint();
+ freearg(result);
+ return i;
+}
+
+int execute(const char *p)
+{
+ vector<uint> code;
+ code.reserve(64);
+ compilemain(code, p, VAL_INT);
+ tagval result;
+ runcode(code.getbuf()+1, result);
+ if(int(code[0]) >= 0x100) code.disown();
+ int i = result.getint();
+ freearg(result);
+ return i;
+}
+
+int execute(ident *id, tagval *args, int numargs, bool lookup)
+{
+ tagval result;
+ executeret(id, args, numargs, lookup, result);
+ int i = result.getint();
+ freearg(result);
+ return i;
+}
+
+int execident(const char *name, int noid, bool lookup)
+{
+ ident *id = idents.access(name);
+ return id ? execute(id, NULL, 0, lookup) : noid;
+}
+
+static inline bool getbool(const char *s)
+{
+ switch(s[0])
+ {
+ case '+': case '-':
+ switch(s[1])
+ {
+ case '0': break;
+ case '.': return !isdigit(s[2]) || parsefloat(s) != 0;
+ default: return true;
+ }
+ // fall through
+ case '0':
+ {
+ char *end;
+ int val = int(strtoul((char *)s, &end, 0));
+ if(val) return true;
+ switch(*end)
+ {
+ case 'e': case '.': return parsefloat(s) != 0;
+ default: return false;
+ }
+ }
+ case '.': return !isdigit(s[1]) || parsefloat(s) != 0;
+ case '\0': return false;
+ default: return true;
+ }
+}
+
+static inline bool getbool(const tagval &v)
+{
+ switch(v.type)
+ {
+ case VAL_FLOAT: return v.f!=0;
+ case VAL_INT: return v.i!=0;
+ case VAL_STR: case VAL_MACRO: return getbool(v.s);
+ default: return false;
+ }
+}
+
+bool executebool(const uint *code)
+{
+ tagval result;
+ runcode(code, result);
+ bool b = getbool(result);
+ freearg(result);
+ return b;
+}
+
+bool executebool(const char *p)
+{
+ tagval result;
+ executeret(p, result);
+ bool b = getbool(result);
+ freearg(result);
+ return b;
+}
+
+bool executebool(ident *id, tagval *args, int numargs, bool lookup)
+{
+ tagval result;
+ executeret(id, args, numargs, lookup, result);
+ bool b = getbool(result);
+ freearg(result);
+ return b;
+}
+
+bool execidentbool(const char *name, bool noid, bool lookup)
+{
+ ident *id = idents.access(name);
+ return id ? executebool(id, NULL, 0, lookup) : noid;
+}
+
+bool execfile(const char *cfgfile, bool msg)
+{
+ string s;
+ copystring(s, cfgfile);
+ char *buf = loadfile(path(s), NULL);
+ if(!buf)
+ {
+ if(msg) conoutf(CON_ERROR, "could not read \"%s\"", cfgfile);
+ return false;
+ }
+ const char *oldsourcefile = sourcefile, *oldsourcestr = sourcestr;
+ sourcefile = cfgfile;
+ sourcestr = buf;
+ execute(buf);
+ sourcefile = oldsourcefile;
+ sourcestr = oldsourcestr;
+ delete[] buf;
+ return true;
+}
+ICOMMAND(exec, "sb", (char *file, int *msg), intret(execfile(file, *msg != 0) ? 1 : 0));
+
+const char *escapestring(const char *s)
+{
+ static vector<char> strbuf[3];
+ static int stridx = 0;
+ stridx = (stridx + 1)%3;
+ vector<char> &buf = strbuf[stridx];
+ buf.setsize(0);
+ buf.add('"');
+ for(; *s; s++) switch(*s)
+ {
+ case '\n': buf.put("^n", 2); break;
+ case '\t': buf.put("^t", 2); break;
+ case '\f': buf.put("^f", 2); break;
+ case '"': buf.put("^\"", 2); break;
+ case '^': buf.put("^^", 2); break;
+ default: buf.add(*s); break;
+ }
+ buf.put("\"\0", 2);
+ return buf.getbuf();
+}
+
+ICOMMAND(escape, "s", (char *s), result(escapestring(s)));
+ICOMMAND(unescape, "s", (char *s),
+{
+ int len = strlen(s);
+ char *d = newstring(len);
+ d[unescapestring(d, s, &s[len])] = '\0';
+ stringret(d);
+});
+
+const char *escapeid(const char *s)
+{
+ const char *end = s + strcspn(s, "\"/;()[]@ \f\t\r\n\0");
+ return *end ? escapestring(s) : s;
+}
+
+bool validateblock(const char *s)
+{
+ const int maxbrak = 100;
+ static char brakstack[maxbrak];
+ int brakdepth = 0;
+ for(; *s; s++) switch(*s)
+ {
+ case '[': case '(': if(brakdepth >= maxbrak) return false; brakstack[brakdepth++] = *s; break;
+ case ']': if(brakdepth <= 0 || brakstack[--brakdepth] != '[') return false; break;
+ case ')': if(brakdepth <= 0 || brakstack[--brakdepth] != '(') return false; break;
+ case '"': s = parsestring(s + 1); if(*s != '"') return false; break;
+ case '/': if(s[1] == '/') return false; break;
+ case '@': case '\f': return false;
+ }
+ return brakdepth == 0;
+}
+
+#ifndef STANDALONE
+void writecfg(const char *name)
+{
+ stream *f = openutf8file(path(name && name[0] ? name : game::savedconfig(), true), "w");
+ if(!f) return;
+ f->printf("// automatically written on exit, DO NOT MODIFY\n// delete this file to have %s overwrite these settings\n// modify settings in game, or put settings in %s to override anything\n\n", game::defaultconfig(), game::autoexec());
+ game::writeclientinfo(f);
+ f->printf("\n");
+ writecrosshairs(f);
+ vector<ident *> ids;
+ enumerate(idents, ident, id, ids.add(&id));
+ ids.sortname();
+ loopv(ids)
+ {
+ ident &id = *ids[i];
+ if(id.flags&IDF_PERSIST) switch(id.type)
+ {
+ case ID_VAR: f->printf("%s %d\n", escapeid(id), *id.storage.i); break;
+ case ID_FVAR: f->printf("%s %s\n", escapeid(id), floatstr(*id.storage.f)); break;
+ case ID_SVAR: f->printf("%s %s\n", escapeid(id), escapestring(*id.storage.s)); break;
+ }
+ }
+ f->printf("\n");
+ writebinds(f);
+ f->printf("\n");
+ loopv(ids)
+ {
+ ident &id = *ids[i];
+ if(id.type==ID_ALIAS && id.flags&IDF_PERSIST && !(id.flags&IDF_OVERRIDDEN)) switch(id.valtype)
+ {
+ case VAL_STR:
+ if(!id.val.s[0]) break;
+ if(!validateblock(id.val.s)) { f->printf("%s = %s\n", escapeid(id), escapestring(id.val.s)); break; }
+ case VAL_FLOAT:
+ case VAL_INT:
+ f->printf("%s = [%s]\n", escapeid(id), id.getstr()); break;
+ }
+ }
+ f->printf("\n");
+ writecompletions(f);
+ delete f;
+}
+
+COMMAND(writecfg, "s");
+#endif
+
+void changedvars()
+{
+ vector<ident *> ids;
+ enumerate(idents, ident, id, if(id.flags&IDF_OVERRIDDEN) ids.add(&id));
+ ids.sortname();
+ loopv(ids) printvar(ids[i]);
+}
+COMMAND(changedvars, "");
+
+// below the commands that implement a small imperative language. thanks to the semantics of
+// () and [] expressions, any control construct can be defined trivially.
+
+static string retbuf[4];
+static int retidx = 0;
+
+const char *intstr(int v)
+{
+ retidx = (retidx + 1)%4;
+ intformat(retbuf[retidx], v);
+ return retbuf[retidx];
+}
+
+void intret(int v)
+{
+ commandret->setint(v);
+}
+
+const char *floatstr(float v)
+{
+ retidx = (retidx + 1)%4;
+ floatformat(retbuf[retidx], v);
+ return retbuf[retidx];
+}
+
+void floatret(float v)
+{
+ commandret->setfloat(v);
+}
+
+#undef ICOMMANDNAME
+#define ICOMMANDNAME(name) _stdcmd
+
+ICOMMAND(do, "e", (uint *body), executeret(body, *commandret));
+ICOMMAND(if, "tee", (tagval *cond, uint *t, uint *f), executeret(getbool(*cond) ? t : f, *commandret));
+ICOMMAND(?, "ttt", (tagval *cond, tagval *t, tagval *f), result(*(getbool(*cond) ? t : f)));
+
+ICOMMAND(pushif, "rte", (ident *id, tagval *v, uint *code),
+{
+ if(id->type != ID_ALIAS || id->index < MAXARGS) return;
+ if(getbool(*v))
+ {
+ identstack stack;
+ pusharg(*id, *v, stack);
+ v->type = VAL_NULL;
+ id->flags &= ~IDF_UNKNOWN;
+ executeret(code, *commandret);
+ poparg(*id);
+ }
+});
+
+void loopiter(ident *id, identstack &stack, const tagval &v)
+{
+ if(id->stack != &stack)
+ {
+ pusharg(*id, v, stack);
+ id->flags &= ~IDF_UNKNOWN;
+ }
+ else
+ {
+ if(id->valtype == VAL_STR) delete[] id->val.s;
+ cleancode(*id);
+ id->setval(v);
+ }
+}
+
+void loopend(ident *id, identstack &stack)
+{
+ if(id->stack == &stack) poparg(*id);
+}
+
+static inline void setiter(ident &id, int i, identstack &stack)
+{
+ if(id.stack == &stack)
+ {
+ if(id.valtype != VAL_INT)
+ {
+ if(id.valtype == VAL_STR) delete[] id.val.s;
+ cleancode(id);
+ id.valtype = VAL_INT;
+ }
+ id.val.i = i;
+ }
+ else
+ {
+ tagval t;
+ t.setint(i);
+ pusharg(id, t, stack);
+ id.flags &= ~IDF_UNKNOWN;
+ }
+}
+ICOMMAND(loop, "rie", (ident *id, int *n, uint *body),
+{
+ if(*n <= 0 || id->type!=ID_ALIAS) return;
+ identstack stack;
+ loopi(*n)
+ {
+ setiter(*id, i, stack);
+ execute(body);
+ }
+ poparg(*id);
+});
+ICOMMAND(loopwhile, "riee", (ident *id, int *n, uint *cond, uint *body),
+{
+ if(*n <= 0 || id->type!=ID_ALIAS) return;
+ identstack stack;
+ loopi(*n)
+ {
+ setiter(*id, i, stack);
+ if(!executebool(cond)) break;
+ execute(body);
+ }
+ poparg(*id);
+});
+ICOMMAND(while, "ee", (uint *cond, uint *body), while(executebool(cond)) execute(body));
+
+char *loopconc(ident *id, int n, uint *body, bool space)
+{
+ identstack stack;
+ vector<char> s;
+ loopi(n)
+ {
+ setiter(*id, i, stack);
+ tagval v;
+ executeret(body, v);
+ const char *vstr = v.getstr();
+ int len = strlen(vstr);
+ if(space && i) s.add(' ');
+ s.put(vstr, len);
+ freearg(v);
+ }
+ if(n > 0) poparg(*id);
+ s.add('\0');
+ return newstring(s.getbuf(), s.length()-1);
+}
+
+ICOMMAND(loopconcat, "rie", (ident *id, int *n, uint *body),
+{
+ if(*n > 0 && id->type==ID_ALIAS) commandret->setstr(loopconc(id, *n, body, true));
+});
+
+ICOMMAND(loopconcatword, "rie", (ident *id, int *n, uint *body),
+{
+ if(*n > 0 && id->type==ID_ALIAS) commandret->setstr(loopconc(id, *n, body, false));
+});
+
+void concat(tagval *v, int n)
+{
+ commandret->setstr(conc(v, n, true));
+}
+COMMAND(concat, "V");
+
+void concatword(tagval *v, int n)
+{
+ commandret->setstr(conc(v, n, false));
+}
+COMMAND(concatword, "V");
+
+void append(ident *id, tagval *v, bool space)
+{
+ if(id->type != ID_ALIAS || v->type == VAL_NULL) return;
+ if(id->valtype == VAL_NULL)
+ {
+ noprefix:
+ if(id->index < MAXARGS) setarg(*id, *v); else setalias(*id, *v);
+ v->type = VAL_NULL;
+ }
+ else
+ {
+ const char *prefix = id->getstr();
+ if(!prefix[0]) goto noprefix;
+ tagval r;
+ r.setstr(conc(v, 1, space, prefix));
+ if(id->index < MAXARGS) setarg(*id, r); else setalias(*id, r);
+ }
+}
+ICOMMAND(append, "rt", (ident *id, tagval *v), append(id, v, true));
+ICOMMAND(appendword, "rt", (ident *id, tagval *v), append(id, v, false));
+
+void result(tagval &v)
+{
+ *commandret = v;
+ v.type = VAL_NULL;
+}
+
+void stringret(char *s)
+{
+ commandret->setstr(s);
+}
+
+void result(const char *s)
+{
+ commandret->setstr(newstring(s));
+}
+
+ICOMMAND(result, "t", (tagval *v),
+{
+ *commandret = *v;
+ v->type = VAL_NULL;
+});
+
+void format(tagval *args, int numargs)
+{
+ vector<char> s;
+ const char *f = args[0].getstr();
+ while(*f)
+ {
+ int c = *f++;
+ if(c == '%')
+ {
+ int i = *f++;
+ if(i >= '1' && i <= '9')
+ {
+ i -= '0';
+ const char *sub = i < numargs ? args[i].getstr() : "";
+ while(*sub) s.add(*sub++);
+ }
+ else s.add(i);
+ }
+ else s.add(c);
+ }
+ s.add('\0');
+ result(s.getbuf());
+}
+COMMAND(format, "V");
+
+static const char *liststart = NULL, *listend = NULL, *listquotestart = NULL, *listquoteend = NULL;
+
+static inline void skiplist(const char *&p)
+{
+ for(;;)
+ {
+ p += strspn(p, " \t\r\n");
+ if(p[0]!='/' || p[1]!='/') break;
+ p += strcspn(p, "\n\0");
+ }
+}
+
+static bool parselist(const char *&s, const char *&start = liststart, const char *&end = listend, const char *&quotestart = listquotestart, const char *&quoteend = listquoteend)
+{
+ skiplist(s);
+ switch(*s)
+ {
+ case '"': quotestart = s++; start = s; s = parsestring(s); end = s; if(*s == '"') s++; quoteend = s; break;
+ case '(': case '[':
+ quotestart = s;
+ start = s+1;
+ for(int braktype = *s++, brak = 1;;)
+ {
+ s += strcspn(s, "\"/;()[]\0");
+ int c = *s++;
+ switch(c)
+ {
+ case '\0': s--; quoteend = end = s; return true;
+ case '"': s = parsestring(s); if(*s == '"') s++; break;
+ case '/': if(*s == '/') s += strcspn(s, "\n\0"); break;
+ case '(': case '[': if(c == braktype) brak++; break;
+ case ')': if(braktype == '(' && --brak <= 0) goto endblock; break;
+ case ']': if(braktype == '[' && --brak <= 0) goto endblock; break;
+ }
+ }
+ endblock:
+ end = s-1;
+ quoteend = s;
+ break;
+ case '\0': case ')': case ']': return false;
+ default: quotestart = start = s; s = parseword(s); quoteend = end = s; break;
+ }
+ skiplist(s);
+ if(*s == ';') s++;
+ return true;
+}
+
+void explodelist(const char *s, vector<char *> &elems, int limit)
+{
+ const char *start, *end;
+ while((limit < 0 || elems.length() < limit) && parselist(s, start, end))
+ elems.add(newstring(start, end-start));
+}
+
+char *indexlist(const char *s, int pos)
+{
+ loopi(pos) if(!parselist(s)) return newstring("");
+ const char *start, *end;
+ return parselist(s, start, end) ? newstring(start, end-start) : newstring("");
+}
+
+int listlen(const char *s)
+{
+ int n = 0;
+ while(parselist(s)) n++;
+ return n;
+}
+ICOMMAND(listlen, "s", (char *s), intret(listlen(s)));
+
+void at(tagval *args, int numargs)
+{
+ if(!numargs) return;
+ const char *start = args[0].getstr(), *end = start + strlen(start);
+ for(int i = 1; i < numargs; i++)
+ {
+ const char *list = start;
+ int pos = args[i].getint();
+ for(; pos > 0; pos--) if(!parselist(list)) break;
+ if(pos > 0 || !parselist(list, start, end)) start = end = "";
+ }
+ commandret->setstr(newstring(start, end-start));
+}
+COMMAND(at, "si1V");
+
+void substr(char *s, int *start, int *count, int *numargs)
+{
+ int len = strlen(s), offset = clamp(*start, 0, len);
+ commandret->setstr(newstring(&s[offset], *numargs >= 3 ? clamp(*count, 0, len - offset) : len - offset));
+}
+COMMAND(substr, "siiN");
+
+void chopstr(char *s, int *lim, char *ellipsis)
+{
+ int len = strlen(s), maxlen = abs(*lim);
+ if(len > maxlen)
+ {
+ int elen = strlen(ellipsis);
+ maxlen = max(maxlen, elen);
+ char *chopped = newstring(maxlen);
+ if(*lim < 0)
+ {
+ memcpy(chopped, ellipsis, elen);
+ memcpy(&chopped[elen], &s[len - (maxlen - elen)], maxlen - elen);
+ }
+ else
+ {
+ memcpy(chopped, s, maxlen - elen);
+ memcpy(&chopped[maxlen - elen], ellipsis, elen);
+ }
+ chopped[maxlen] = '\0';
+ commandret->setstr(chopped);
+ }
+ else result(s);
+}
+COMMAND(chopstr, "sis");
+
+void sublist(const char *s, int *skip, int *count, int *numargs)
+{
+ int offset = max(*skip, 0), len = *numargs >= 3 ? max(*count, 0) : -1;
+ loopi(offset) if(!parselist(s)) break;
+ if(len < 0) { if(offset > 0) skiplist(s); commandret->setstr(newstring(s)); return; }
+ const char *list = s, *start, *end, *qstart, *qend = s;
+ if(len > 0 && parselist(s, start, end, list, qend)) while(--len > 0 && parselist(s, start, end, qstart, qend));
+ commandret->setstr(newstring(list, qend - list));
+}
+COMMAND(sublist, "siiN");
+
+ICOMMAND(stripcolors, "s", (char *s),
+{
+ int len = strlen(s);
+ char *d = newstring(len);
+ filtertext(d, s, true, false, len);
+ stringret(d);
+});
+
+static inline void setiter(ident &id, char *val, identstack &stack)
+{
+ if(id.stack == &stack)
+ {
+ if(id.valtype == VAL_STR) delete[] id.val.s;
+ else id.valtype = VAL_STR;
+ cleancode(id);
+ id.val.s = val;
+ }
+ else
+ {
+ tagval t;
+ t.setstr(val);
+ pusharg(id, t, stack);
+ id.flags &= ~IDF_UNKNOWN;
+ }
+}
+
+void listfind(ident *id, const char *list, const uint *body)
+{
+ if(id->type!=ID_ALIAS) { intret(-1); return; }
+ identstack stack;
+ int n = -1;
+ for(const char *s = list, *start, *end; parselist(s, start, end);)
+ {
+ ++n;
+ char *val = newstring(start, end-start);
+ setiter(*id, val, stack);
+ if(executebool(body)) { intret(n); goto found; }
+ }
+ intret(-1);
+found:
+ if(n >= 0) poparg(*id);
+}
+COMMAND(listfind, "rse");
+
+void looplist(ident *id, const char *list, const uint *body)
+{
+ if(id->type!=ID_ALIAS) return;
+ identstack stack;
+ int n = 0;
+ for(const char *s = list, *start, *end; parselist(s, start, end); n++)
+ {
+ char *val = newstring(start, end-start);
+ setiter(*id, val, stack);
+ execute(body);
+ }
+ if(n) poparg(*id);
+}
+COMMAND(looplist, "rse");
+
+void loopsublist(ident *id, const char *list, int *skip, int *count, const uint *body)
+{
+ if(id->type!=ID_ALIAS) return;
+ identstack stack;
+ int n = 0, offset = max(*skip, 0), len = *count < 0 ? INT_MAX : offset + *count;
+ for(const char *s = list, *start, *end; parselist(s, start, end) && n < len; n++) if(n >= offset)
+ {
+ char *val = newstring(start, end-start);
+ setiter(*id, val, stack);
+ execute(body);
+ }
+ if(n) poparg(*id);
+}
+COMMAND(loopsublist, "rsiie");
+
+void looplistconc(ident *id, const char *list, const uint *body, bool space)
+{
+ if(id->type!=ID_ALIAS) return;
+ identstack stack;
+ vector<char> r;
+ int n = 0;
+ for(const char *s = list, *start, *end; parselist(s, start, end); n++)
+ {
+ char *val = newstring(start, end-start);
+ setiter(*id, val, stack);
+
+ if(n && space) r.add(' ');
+
+ tagval v;
+ executeret(body, v);
+ const char *vstr = v.getstr();
+ int len = strlen(vstr);
+ r.put(vstr, len);
+ freearg(v);
+ }
+ if(n) poparg(*id);
+ r.add('\0');
+ commandret->setstr(newstring(r.getbuf(), r.length()-1));
+}
+ICOMMAND(looplistconcat, "rse", (ident *id, char *list, uint *body), looplistconc(id, list, body, true));
+ICOMMAND(looplistconcatword, "rse", (ident *id, char *list, uint *body), looplistconc(id, list, body, false));
+
+void listfilter(ident *id, const char *list, const uint *body)
+{
+ if(id->type!=ID_ALIAS) return;
+ identstack stack;
+ vector<char> r;
+ int n = 0;
+ for(const char *s = list, *start, *end, *quotestart, *quoteend; parselist(s, start, end, quotestart, quoteend); n++)
+ {
+ char *val = newstring(start, end-start);
+ setiter(*id, val, stack);
+
+ if(executebool(body))
+ {
+ if(r.length()) r.add(' ');
+ r.put(quotestart, quoteend-quotestart);
+ }
+ }
+ if(n) poparg(*id);
+ r.add('\0');
+ commandret->setstr(newstring(r.getbuf(), r.length()-1));
+}
+COMMAND(listfilter, "rse");
+
+void prettylist(const char *s, const char *conj)
+{
+ vector<char> p;
+ const char *start, *end;
+ for(int len = listlen(s), n = 0; parselist(s, start, end); n++)
+ {
+ p.put(start, end - start);
+ if(n+1 < len)
+ {
+ if(len > 2 || !conj[0]) p.add(',');
+ if(n+2 == len && conj[0])
+ {
+ p.add(' ');
+ p.put(conj, strlen(conj));
+ }
+ p.add(' ');
+ }
+ }
+ p.add('\0');
+ result(p.getbuf());
+}
+COMMAND(prettylist, "ss");
+
+int listincludes(const char *list, const char *needle, int needlelen)
+{
+ int offset = 0;
+ for(const char *s = list, *start, *end; parselist(s, start, end);)
+ {
+ int len = end - start;
+ if(needlelen == len && !strncmp(needle, start, len)) return offset;
+ offset++;
+ }
+ return -1;
+}
+ICOMMAND(indexof, "ss", (char *list, char *elem), intret(listincludes(list, elem, strlen(elem))));
+
+char *listdel(const char *s, const char *del)
+{
+ vector<char> p;
+ for(const char *start, *end, *qstart, *qend; parselist(s, start, end, qstart, qend);)
+ {
+ if(listincludes(del, start, end-start) < 0)
+ {
+ if(!p.empty()) p.add(' ');
+ p.put(qstart, qend-qstart);
+ }
+ }
+ p.add('\0');
+ return newstring(p.getbuf(), p.length()-1);
+}
+ICOMMAND(listdel, "ss", (char *list, char *del), commandret->setstr(listdel(list, del)));
+
+void listsplice(const char *s, const char *vals, int *skip, int *count)
+{
+ int offset = max(*skip, 0), len = max(*count, 0);
+ const char *list = s, *start, *end, *qstart, *qend = s;
+ loopi(offset) if(!parselist(s, start, end, qstart, qend)) break;
+ vector<char> p;
+ if(qend > list) p.put(list, qend-list);
+ if(*vals)
+ {
+ if(!p.empty()) p.add(' ');
+ p.put(vals, strlen(vals));
+ }
+ loopi(len) if(!parselist(s)) break;
+ skiplist(s);
+ switch(*s)
+ {
+ case '\0': case ')': case ']': break;
+ default:
+ if(!p.empty()) p.add(' ');
+ p.put(s, strlen(s));
+ break;
+ }
+ p.add('\0');
+ commandret->setstr(newstring(p.getbuf(), p.length()-1));
+}
+COMMAND(listsplice, "ssii");
+
+ICOMMAND(loopfiles, "rsse", (ident *id, char *dir, char *ext, uint *body),
+{
+ if(id->type!=ID_ALIAS) return;
+ identstack stack;
+ vector<char *> files;
+ listfiles(dir, ext[0] ? ext : NULL, files);
+ loopvrev(files)
+ {
+ char *file = files[i];
+ bool redundant = false;
+ loopj(i) if(!strcmp(files[j], file)) { redundant = true; break; }
+ if(redundant) delete[] files.removeunordered(i);
+ }
+ loopv(files)
+ {
+ char *file = files[i];
+ if(i)
+ {
+ if(id->valtype == VAL_STR) delete[] id->val.s;
+ else id->valtype = VAL_STR;
+ id->val.s = file;
+ }
+ else
+ {
+ tagval t;
+ t.setstr(file);
+ pusharg(*id, t, stack);
+ id->flags &= ~IDF_UNKNOWN;
+ }
+ execute(body);
+ }
+ if(files.length()) poparg(*id);
+});
+
+void findfile_(char *name)
+{
+ string fname;
+ copystring(fname, name);
+ path(fname);
+ intret(
+#ifndef STANDALONE
+ findzipfile(fname) ||
+#endif
+ fileexists(fname, "e") || findfile(fname, "e") ? 1 : 0
+ );
+}
+COMMANDN(findfile, findfile_, "s");
+
+struct sortitem
+{
+ const char *str, *quotestart, *quoteend;
+};
+
+struct sortfun
+{
+ ident *x, *y;
+ uint *body;
+
+ bool operator()(const sortitem &xval, const sortitem &yval)
+ {
+ if(x->valtype != VAL_MACRO) x->valtype = VAL_MACRO;
+ cleancode(*x);
+ x->val.code = (const uint *)xval.str;
+ if(y->valtype != VAL_MACRO) y->valtype = VAL_MACRO;
+ cleancode(*y);
+ y->val.code = (const uint *)yval.str;
+ return executebool(body);
+ }
+};
+
+void sortlist(char *list, ident *x, ident *y, uint *body)
+{
+ if(x == y || x->type != ID_ALIAS || y->type != ID_ALIAS) return;
+
+ vector<sortitem> items;
+ int macrolen = strlen(list), total = 0;
+ char *macros = newstring(list, macrolen);
+ const char *curlist = list, *start, *end, *quotestart, *quoteend;
+ while(parselist(curlist, start, end, quotestart, quoteend))
+ {
+ macros[end - list] = '\0';
+ sortitem item = { &macros[start - list], quotestart, quoteend };
+ items.add(item);
+ total += int(quoteend - quotestart);
+ }
+
+ identstack xstack, ystack;
+ pusharg(*x, nullval, xstack); x->flags &= ~IDF_UNKNOWN;
+ pusharg(*y, nullval, ystack); y->flags &= ~IDF_UNKNOWN;
+
+ sortfun f = { x, y, body };
+ items.sort(f);
+
+ poparg(*x);
+ poparg(*y);
+
+ char *sorted = macros;
+ int sortedlen = total + max(items.length() - 1, 0);
+ if(macrolen < sortedlen)
+ {
+ delete[] macros;
+ sorted = newstring(sortedlen);
+ }
+
+ int offset = 0;
+ loopv(items)
+ {
+ sortitem &item = items[i];
+ int len = int(item.quoteend - item.quotestart);
+ if(i) sorted[offset++] = ' ';
+ memcpy(&sorted[offset], item.quotestart, len);
+ offset += len;
+ }
+ sorted[offset] = '\0';
+
+ commandret->setstr(sorted);
+}
+COMMAND(sortlist, "srre");
+
+ICOMMAND(+, "ii", (int *a, int *b), intret(*a + *b));
+ICOMMAND(*, "ii", (int *a, int *b), intret(*a * *b));
+ICOMMAND(-, "ii", (int *a, int *b), intret(*a - *b));
+ICOMMAND(+f, "ff", (float *a, float *b), floatret(*a + *b));
+ICOMMAND(*f, "ff", (float *a, float *b), floatret(*a * *b));
+ICOMMAND(-f, "ff", (float *a, float *b), floatret(*a - *b));
+ICOMMAND(=, "ii", (int *a, int *b), intret((int)(*a == *b)));
+ICOMMAND(!=, "ii", (int *a, int *b), intret((int)(*a != *b)));
+ICOMMAND(<, "ii", (int *a, int *b), intret((int)(*a < *b)));
+ICOMMAND(>, "ii", (int *a, int *b), intret((int)(*a > *b)));
+ICOMMAND(<=, "ii", (int *a, int *b), intret((int)(*a <= *b)));
+ICOMMAND(>=, "ii", (int *a, int *b), intret((int)(*a >= *b)));
+ICOMMAND(=f, "ff", (float *a, float *b), intret((int)(*a == *b)));
+ICOMMAND(!=f, "ff", (float *a, float *b), intret((int)(*a != *b)));
+ICOMMAND(<f, "ff", (float *a, float *b), intret((int)(*a < *b)));
+ICOMMAND(>f, "ff", (float *a, float *b), intret((int)(*a > *b)));
+ICOMMAND(<=f, "ff", (float *a, float *b), intret((int)(*a <= *b)));
+ICOMMAND(>=f, "ff", (float *a, float *b), intret((int)(*a >= *b)));
+ICOMMAND(^, "ii", (int *a, int *b), intret(*a ^ *b));
+ICOMMAND(!, "t", (tagval *a), intret(!getbool(*a)));
+ICOMMAND(&, "ii", (int *a, int *b), intret(*a & *b));
+ICOMMAND(|, "ii", (int *a, int *b), intret(*a | *b));
+ICOMMAND(~, "i", (int *a), intret(~*a));
+ICOMMAND(^~, "ii", (int *a, int *b), intret(*a ^ ~*b));
+ICOMMAND(&~, "ii", (int *a, int *b), intret(*a & ~*b));
+ICOMMAND(|~, "ii", (int *a, int *b), intret(*a | ~*b));
+ICOMMAND(<<, "ii", (int *a, int *b), intret(*b < 32 ? *a << max(*b, 0) : 0));
+ICOMMAND(>>, "ii", (int *a, int *b), intret(*a >> clamp(*b, 0, 31)));
+ICOMMAND(&&, "e1V", (tagval *args, int numargs),
+{
+ if(!numargs) intret(1);
+ else loopi(numargs)
+ {
+ if(i) freearg(*commandret);
+ executeret(args[i].code, *commandret);
+ if(!getbool(*commandret)) break;
+ }
+});
+ICOMMAND(||, "e1V", (tagval *args, int numargs),
+{
+ if(!numargs) intret(0);
+ else loopi(numargs)
+ {
+ if(i) freearg(*commandret);
+ executeret(args[i].code, *commandret);
+ if(getbool(*commandret)) break;
+ }
+});
+
+ICOMMAND(div, "ii", (int *a, int *b), intret(*b ? *a / *b : 0));
+ICOMMAND(mod, "ii", (int *a, int *b), intret(*b ? *a % *b : 0));
+ICOMMAND(divf, "ff", (float *a, float *b), floatret(*b ? *a / *b : 0));
+ICOMMAND(modf, "ff", (float *a, float *b), floatret(*b ? fmod(*a, *b) : 0));
+ICOMMAND(sin, "f", (float *a), floatret(sin(*a*RAD)));
+ICOMMAND(cos, "f", (float *a), floatret(cos(*a*RAD)));
+ICOMMAND(tan, "f", (float *a), floatret(tan(*a*RAD)));
+ICOMMAND(asin, "f", (float *a), floatret(asin(*a)/RAD));
+ICOMMAND(acos, "f", (float *a), floatret(acos(*a)/RAD));
+ICOMMAND(atan, "f", (float *a), floatret(atan(*a)/RAD));
+ICOMMAND(atan2, "ff", (float *y, float *x), floatret(atan2(*y, *x)/RAD));
+ICOMMAND(sqrt, "f", (float *a), floatret(sqrt(*a)));
+ICOMMAND(pow, "ff", (float *a, float *b), floatret(pow(*a, *b)));
+ICOMMAND(loge, "f", (float *a), floatret(log(*a)));
+ICOMMAND(log2, "f", (float *a), floatret(log(*a)/M_LN2));
+ICOMMAND(log10, "f", (float *a), floatret(log10(*a)));
+ICOMMAND(exp, "f", (float *a), floatret(exp(*a)));
+ICOMMAND(min, "V", (tagval *args, int numargs),
+{
+ int val = numargs > 0 ? args[numargs - 1].getint() : 0;
+ loopi(numargs - 1) val = min(val, args[i].getint());
+ intret(val);
+});
+ICOMMAND(max, "V", (tagval *args, int numargs),
+{
+ int val = numargs > 0 ? args[numargs - 1].getint() : 0;
+ loopi(numargs - 1) val = max(val, args[i].getint());
+ intret(val);
+});
+ICOMMAND(minf, "V", (tagval *args, int numargs),
+{
+ float val = numargs > 0 ? args[numargs - 1].getfloat() : 0.0f;
+ loopi(numargs - 1) val = min(val, args[i].getfloat());
+ floatret(val);
+});
+ICOMMAND(maxf, "V", (tagval *args, int numargs),
+{
+ float val = numargs > 0 ? args[numargs - 1].getfloat() : 0.0f;
+ loopi(numargs - 1) val = max(val, args[i].getfloat());
+ floatret(val);
+});
+ICOMMAND(abs, "i", (int *n), intret(abs(*n)));
+ICOMMAND(absf, "f", (float *n), floatret(fabs(*n)));
+
+ICOMMAND(floor, "f", (float *n), floatret(floor(*n)));
+ICOMMAND(ceil, "f", (float *n), floatret(ceil(*n)));
+ICOMMAND(round, "ff", (float *n, float *k),
+{
+ double step = *k;
+ double r = *n;
+ if(step > 0)
+ {
+ r += step * (r < 0 ? -0.5 : 0.5);
+ r -= fmod(r, step);
+ }
+ else r = r < 0 ? ceil(r - 0.5) : floor(r + 0.5);
+ floatret(float(r));
+});
+
+ICOMMAND(cond, "ee2V", (tagval *args, int numargs),
+{
+ for(int i = 0; i < numargs; i += 2)
+ {
+ if(i+1 < numargs)
+ {
+ if(executebool(args[i].code))
+ {
+ executeret(args[i+1].code, *commandret);
+ break;
+ }
+ }
+ else
+ {
+ executeret(args[i].code, *commandret);
+ break;
+ }
+ }
+});
+#define CASECOMMAND(name, fmt, type, acc, compare) \
+ ICOMMAND(name, fmt "te2V", (tagval *args, int numargs), \
+ { \
+ type val = acc; \
+ int i; \
+ for(i = 1; i+1 < numargs; i += 2) \
+ { \
+ if(compare) \
+ { \
+ executeret(args[i+1].code, *commandret); \
+ return; \
+ } \
+ } \
+ })
+CASECOMMAND(case, "i", int, args[0].getint(), args[i].type == VAL_NULL || args[i].getint() == val);
+CASECOMMAND(casef, "f", float, args[0].getfloat(), args[i].type == VAL_NULL || args[i].getfloat() == val);
+CASECOMMAND(cases, "s", const char *, args[0].getstr(), args[i].type == VAL_NULL || !strcmp(args[i].getstr(), val));
+
+ICOMMAND(rnd, "ii", (int *a, int *b), intret(*a - *b > 0 ? rnd(*a - *b) + *b : *b));
+ICOMMAND(rndstr, "i", (int *len),
+{
+ int n = clamp(*len, 0, 10000);
+ char *s = newstring(n);
+ for(int i = 0; i < n;)
+ {
+ uint r = randomMT();
+ for(int j = min(i + 4, n); i < j; i++)
+ {
+ s[i] = (r%255) + 1;
+ r /= 255;
+ }
+ }
+ s[n] = '\0';
+ stringret(s);
+});
+
+ICOMMAND(strcmp, "ss", (char *a, char *b), intret(strcmp(a,b)==0));
+ICOMMAND(=s, "ss", (char *a, char *b), intret(strcmp(a,b)==0));
+ICOMMAND(!=s, "ss", (char *a, char *b), intret(strcmp(a,b)!=0));
+ICOMMAND(<s, "ss", (char *a, char *b), intret(strcmp(a,b)<0));
+ICOMMAND(>s, "ss", (char *a, char *b), intret(strcmp(a,b)>0));
+ICOMMAND(<=s, "ss", (char *a, char *b), intret(strcmp(a,b)<=0));
+ICOMMAND(>=s, "ss", (char *a, char *b), intret(strcmp(a,b)>=0));
+ICOMMAND(echo, "C", (char *s), conoutf(CON_ECHO, "\f1%s", s));
+ICOMMAND(error, "C", (char *s), conoutf(CON_ERROR, "%s", s));
+ICOMMAND(strstr, "ss", (char *a, char *b), { char *s = strstr(a, b); intret(s ? s-a : -1); });
+ICOMMAND(strlen, "s", (char *s), intret(strlen(s)));
+ICOMMAND(strcode, "si", (char *s, int *i), intret(*i > 0 ? (memchr(s, 0, *i) ? 0 : uchar(s[*i])) : uchar(s[0])));
+ICOMMAND(codestr, "i", (int *i), { char *s = newstring(1); s[0] = char(*i); s[1] = '\0'; stringret(s); });
+ICOMMAND(struni, "si", (char *s, int *i), intret(*i > 0 ? (memchr(s, 0, *i) ? 0 : cube2uni(s[*i])) : cube2uni(s[0])));
+ICOMMAND(unistr, "i", (int *i), { char *s = newstring(1); s[0] = uni2cube(*i); s[1] = '\0'; stringret(s); });
+
+int naturalsort(const char *a, const char *b)
+{
+ for(;;)
+ {
+ int ac = *a, bc = *b;
+ if(!ac) return bc ? -1 : 0;
+ else if(!bc) return 1;
+ else if(isdigit(ac) && isdigit(bc))
+ {
+ while(*a == '0') a++;
+ while(*b == '0') b++;
+ const char *a0 = a, *b0 = b;
+ while(isdigit(*a)) a++;
+ while(isdigit(*b)) b++;
+ int alen = a - a0, blen = b - b0;
+ if(alen != blen) return alen - blen;
+ int n = memcmp(a0, b0, alen);
+ if(n < 0) return -1;
+ else if(n > 0) return 1;
+ }
+ else if(ac != bc) return ac - bc;
+ else { ++a; ++b; }
+ }
+}
+ICOMMAND(naturalsort, "ss", (char *a, char *b), intret(naturalsort(a,b)<=0));
+
+#define STRMAPCOMMAND(name, map) \
+ ICOMMAND(name, "s", (char *s), \
+ { \
+ int len = strlen(s); \
+ char *m = newstring(len); \
+ loopi(len) m[i] = map(s[i]); \
+ m[len] = '\0'; \
+ stringret(m); \
+ })
+
+STRMAPCOMMAND(strlower, cubelower);
+STRMAPCOMMAND(strupper, cubeupper);
+
+char *strreplace(const char *s, const char *oldval, const char *newval)
+{
+ vector<char> buf;
+
+ int oldlen = strlen(oldval);
+ if(!oldlen) return newstring(s);
+ for(;;)
+ {
+ const char *found = strstr(s, oldval);
+ if(found)
+ {
+ while(s < found) buf.add(*s++);
+ for(const char *n = newval; *n; n++) buf.add(*n);
+ s = found + oldlen;
+ }
+ else
+ {
+ while(*s) buf.add(*s++);
+ buf.add('\0');
+ return newstring(buf.getbuf(), buf.length());
+ }
+ }
+}
+
+ICOMMAND(strreplace, "sss", (char *s, char *o, char *n), commandret->setstr(strreplace(s, o, n)));
+
+void strsplice(const char *s, const char *vals, int *skip, int *count)
+{
+ int slen = strlen(s), vlen = strlen(vals),
+ offset = clamp(*skip, 0, slen),
+ len = clamp(*count, 0, slen - offset);
+ char *p = newstring(slen - len + vlen);
+ if(offset) memcpy(p, s, offset);
+ if(vlen) memcpy(&p[offset], vals, vlen);
+ if(offset + len < slen) memcpy(&p[offset + vlen], &s[offset + len], slen - (offset + len));
+ p[slen - len + vlen] = '\0';
+ commandret->setstr(p);
+}
+COMMAND(strsplice, "ssii");
+
+#ifndef STANDALONE
+ICOMMAND(getmillis, "i", (int *total), intret(*total ? totalmillis : lastmillis));
+
+struct sleepcmd
+{
+ int delay, millis, flags;
+ char *command;
+};
+vector<sleepcmd> sleepcmds;
+
+void addsleep(int *msec, char *cmd)
+{
+ sleepcmd &s = sleepcmds.add();
+ s.delay = max(*msec, 1);
+ s.millis = lastmillis;
+ s.command = newstring(cmd);
+ s.flags = identflags;
+}
+
+COMMANDN(sleep, addsleep, "is");
+
+void checksleep(int millis)
+{
+ loopv(sleepcmds)
+ {
+ sleepcmd &s = sleepcmds[i];
+ if(millis - s.millis >= s.delay)
+ {
+ char *cmd = s.command; // execute might create more sleep commands
+ s.command = NULL;
+ int oldflags = identflags;
+ identflags = s.flags;
+ execute(cmd);
+ identflags = oldflags;
+ delete[] cmd;
+ if(sleepcmds.inrange(i) && !sleepcmds[i].command) sleepcmds.remove(i--);
+ }
+ }
+}
+
+void clearsleep(bool clearoverrides)
+{
+ int len = 0;
+ loopv(sleepcmds) if(sleepcmds[i].command)
+ {
+ if(clearoverrides && !(sleepcmds[i].flags&IDF_OVERRIDDEN)) sleepcmds[len++] = sleepcmds[i];
+ else delete[] sleepcmds[i].command;
+ }
+ sleepcmds.shrink(len);
+}
+
+void clearsleep_(int *clearoverrides)
+{
+ clearsleep(*clearoverrides!=0 || identflags&IDF_OVERRIDDEN);
+}
+
+COMMANDN(clearsleep, clearsleep_, "i");
+#endif
+