mirror of
https://github.com/CPunch/Cosmo.git
synced 2024-11-05 16:20:06 +00:00
479 lines
15 KiB
C
479 lines
15 KiB
C
#include "cbaselib.h"
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#include "cvm.h"
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#include "cvalue.h"
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#include "cobj.h"
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#include "cmem.h"
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// ================================================================ [BASELIB] ================================================================
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int cosmoB_print(CState *state, int nargs, CValue *args) {
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for (int i = 0; i < nargs; i++) {
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CObjString *str = cosmoV_toString(state, args[i]);
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printf("%s", cosmoO_readCString(str));
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}
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printf("\n");
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return 0; // print doesn't return any args
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}
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int cosmoB_assert(CState *state, int nargs, CValue *args) {
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if (nargs != 1) {
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cosmoV_error(state, "assert() expected 1 argument, got %d!", nargs);
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return 0; // nothing pushed onto the stack to return
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}
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if (!IS_BOOLEAN(args[0])) {
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cosmoV_typeError(state, "assert()", "<boolean>", "%s", cosmoV_typeStr(args[0]));
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return 0;
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}
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if (!cosmoV_readBoolean(args[0])) { // expression passed was false, error!
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cosmoV_error(state, "assert() failed!");
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} // else do nothing :)
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return 0;
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}
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int cosmoB_type(CState *state, int nargs, CValue *args) {
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if (nargs != 1) {
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cosmoV_error(state, "type() expected 1 argument, got %d!", nargs);
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return 0;
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}
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// push the type string to the stack
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cosmoV_pushString(state, cosmoV_typeStr(args[0]));
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return 1; // 1 return value, the type string :D
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}
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int cosmoB_pcall(CState *state, int nargs, CValue *args) {
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if (nargs < 1) {
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cosmoV_error(state, "pcall() expected at least 1 argument!");
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return 0;
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}
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// call the passed callable
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COSMOVMRESULT res = cosmoV_pcall(state, nargs-1, 1);
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// insert false before the result
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cosmo_insert(state, 0, cosmoV_newBoolean(res == COSMOVM_OK));
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return 2;
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}
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int cosmoB_tonumber(CState *state, int nargs, CValue *args) {
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if (nargs != 1) {
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cosmoV_error(state, "tonumber() expected 1 argument, got %d!", nargs);
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return 0;
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}
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cosmoV_pushNumber(state, cosmoV_toNumber(state, args[0]));
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return 1;
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}
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int cosmoB_tostring(CState *state, int nargs, CValue *args) {
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if (nargs != 1) {
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cosmoV_error(state, "tostring() expected 1 argument, got %d!", nargs);
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return 0;
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}
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cosmoV_pushObj(state, (CObj*)cosmoV_toString(state, args[0]));
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return 1;
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}
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int cosmoB_loadstring(CState *state, int nargs, CValue *args) {
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if (nargs < 1) {
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cosmoV_error(state, "loadstring() expected 1 argument, got %d!", nargs);
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return 0;
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}
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if (!IS_STRING(args[0])) {
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cosmoV_typeError(state, "loadstring()", "<string>", "%s", cosmoV_typeStr(args[0]));
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return 0;
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}
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CObjString *str = cosmoV_readString(args[0]);
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bool res = cosmoV_compileString(state, str->str, "");
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cosmo_insert(state, 0, cosmoV_newBoolean(res));
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return 2; // <boolean>, <closure> or <error>
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}
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void cosmoB_loadLibrary(CState *state) {
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const char *identifiers[] = {
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"print",
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"assert",
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"type",
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"pcall",
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"tonumber",
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"tostring"
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"loadstring"
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};
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CosmoCFunction baseLib[] = {
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cosmoB_print,
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cosmoB_assert,
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cosmoB_type,
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cosmoB_pcall,
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cosmoB_tonumber,
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cosmoB_tostring,
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cosmoB_loadstring
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};
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int i;
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for (i = 0; i < sizeof(identifiers)/sizeof(identifiers[0]); i++) {
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cosmoV_pushString(state, identifiers[i]);
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cosmoV_pushCFunction(state, baseLib[i]);
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}
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// register all the pushed c functions and the strings as globals
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cosmoV_register(state, i);
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// load object libraries
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cosmoB_loadStrLib(state);
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}
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// ================================================================ [STRING.*] ================================================================
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// string.sub
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int cosmoB_sSub(CState *state, int nargs, CValue *args) {
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if (nargs == 2) {
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if (!IS_STRING(args[0]) || !IS_NUMBER(args[1])) {
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cosmoV_typeError(state, "string.sub()", "<string>, <number>", "%s, %s", cosmoV_typeStr(args[0]), cosmoV_typeStr(args[1]));
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return 0;
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}
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CObjString *str = cosmoV_readString(args[0]);
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cosmo_Number indx = cosmoV_readNumber(args[1]);
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// make sure we stay within memory
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if (indx < 0 || indx >= str->length) {
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cosmoV_error(state, "string.sub() expected index to be 0-%d, got %d!", str->length - 1, indx);
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return 0;
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}
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cosmoV_pushLString(state, str->str + ((int)indx), str->length - ((int)indx));
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} else if (nargs == 3) {
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if (!IS_STRING(args[0]) || !IS_NUMBER(args[1]) || !IS_NUMBER(args[2])) {
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cosmoV_typeError(state, "string.sub()", "<string>, <number>, <number>", "%s, %s, %s", cosmoV_typeStr(args[0]), cosmoV_typeStr(args[1]), cosmoV_typeStr(args[2]));
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return 0;
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}
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CObjString *str = cosmoV_readString(args[0]);
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cosmo_Number indx = cosmoV_readNumber(args[1]);
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cosmo_Number length = cosmoV_readNumber(args[2]);
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// make sure we stay within memory
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if (indx + length < 0 || indx + length >= str->length || indx < 0 || indx >= str->length) {
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cosmoV_error(state, "string.sub() expected subbed string goes out of bounds, max length is %d!", str->length);
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return 0;
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}
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cosmoV_pushLString(state, str->str + ((int)indx), ((int)length));
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} else {
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cosmoV_error(state, "string.sub() expected 2 or 3 arguments, got %d!", nargs);
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return 0;
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}
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return 1;
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}
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// string.find
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int cosmoB_sFind(CState *state, int nargs, CValue *args) {
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if (nargs == 2) {
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if (!IS_STRING(args[0]) || !IS_STRING(args[1])) {
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cosmoV_typeError(state, "string.find()", "<string>, <string>", "%s, %s", cosmoV_typeStr(args[0]), cosmoV_typeStr(args[1]));
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return 0;
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}
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CObjString *str = cosmoV_readString(args[0]);
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CObjString *ptrn = cosmoV_readString(args[1]);
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char *indx = strstr(str->str, ptrn->str);
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// failed, we have nothing to return
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if (indx == NULL)
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return 0;
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// success! push the index
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cosmoV_pushNumber(state, indx - str->str);
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} else if (nargs == 3) {
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if (!IS_STRING(args[0]) || !IS_STRING(args[1]) || !IS_NUMBER(args[2])) {
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cosmoV_typeError(state, "string.find()", "<string>, <string>, <number>", "%s, %s, %s", cosmoV_typeStr(args[0]), cosmoV_typeStr(args[1]), cosmoV_typeStr(args[2]));
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return 0;
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}
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CObjString *str = cosmoV_readString(args[0]);
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CObjString *ptrn = cosmoV_readString(args[1]);
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int startIndx = (int)cosmoV_readNumber(args[2]);
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char *indx = strstr(str->str + startIndx, ptrn->str);
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// failed, we have nothing to return
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if (indx == NULL)
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return 0;
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// success! push the index
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cosmoV_pushNumber(state, indx - str->str);
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} else {
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cosmoV_error(state, "string.find() expected 2 or 3 arguments, got %d!", nargs);
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return 0;
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}
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return 1;
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}
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// string.split
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int cosmoB_sSplit(CState *state, int nargs, CValue *args) {
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if (nargs != 2) {
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cosmoV_error(state, "string.split() expected 2 arguments, got %d!", nargs);
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return 0;
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}
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if (!IS_STRING(args[0]) || !IS_STRING(args[1])) {
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cosmoV_typeError(state, "string.split()", "<string>, <string>", "%s, %s", cosmoV_typeStr(args[0]), cosmoV_typeStr(args[1]));
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return 0;
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}
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CObjString *str = cosmoV_readString(args[0]);
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CObjString *ptrn = cosmoV_readString(args[1]);
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int nEntries = 0;
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char *indx = str->str;
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char *nIndx;
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// while there are still patterns to match in the string, push the split strings onto the stack
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do {
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nIndx = strstr(indx, ptrn->str);
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cosmoV_pushNumber(state, nEntries++);
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cosmoV_pushLString(state, indx, nIndx == NULL ? str->length - (indx - str->str) : nIndx - indx);
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indx = nIndx + ptrn->length;
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} while (nIndx != NULL);
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// finally, make a table out of the pushed entries
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cosmoV_makeTable(state, nEntries);
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return 1;
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}
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// string.charAt
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int cosmoB_sCharAt(CState *state, int nargs, CValue *args) {
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if (nargs != 2) {
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cosmoV_error(state, "string.charAt() expected 2 arguments, got %d!", nargs);
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return 0;
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}
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if (!IS_STRING(args[0]) || !IS_NUMBER(args[1])) {
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cosmoV_typeError(state, "string.charAt", "<string>, <number>", "%s, %s", cosmoV_typeStr(args[0]), cosmoV_typeStr(args[1]));
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return 0;
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}
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CObjString *str = cosmoV_readString(args[0]);
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int indx = (int)cosmoV_readNumber(args[1]);
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if (indx >= str->length || indx < 0) {
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cosmoV_error(state, "string.charAt() expected index to be 0-%d, got %d!", str->length - 1, indx);
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return 0;
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}
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// returns character number
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cosmoV_pushNumber(state, (int)str->str[indx]);
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return 1;
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}
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void cosmoB_loadStrLib(CState *state) {
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const char *identifiers[] = {
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"sub",
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"find",
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"split",
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"charAt"
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};
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CosmoCFunction strLib[] = {
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cosmoB_sSub,
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cosmoB_sFind,
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cosmoB_sSplit,
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cosmoB_sCharAt
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};
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// make string library object
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cosmoV_pushString(state, "string");
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int i;
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for (i = 0; i < sizeof(identifiers)/sizeof(identifiers[0]); i++) {
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cosmoV_pushString(state, identifiers[i]);
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cosmoV_pushCFunction(state, strLib[i]);
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}
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// make the object and set the protoobject for all strings
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CObjObject *obj = cosmoV_makeObject(state, i);
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cosmoV_registerProtoObject(state, COBJ_STRING, obj);
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// register "string" to the global table
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cosmoV_register(state, 1);
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}
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// ================================================================ [DEBUG] ================================================================
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int cosmoB_dsetProto(CState *state, int nargs, CValue *args) {
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if (nargs == 2) {
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CObj *obj = cosmoV_readObj(args[0]); // object to set proto too
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CObjObject *proto = cosmoV_readObject(args[1]);
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obj->proto = proto; // boom done
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} else {
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cosmoV_error(state, "Expected 2 arguments, got %d!", nargs);
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}
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return 0; // nothing
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}
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int cosmoB_dgetProto(CState *state, int nargs, CValue *args) {
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if (nargs != 1) {
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cosmoV_error(state, "Expected 1 argument, got %d!", nargs);
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return 0;
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}
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cosmoV_pushObj(state, (CObj*)cosmoV_readObject(args[0])->_obj.proto); // just return the proto
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return 1; // 1 result
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}
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// ================================================================ [VM.*] ================================================================
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int cosmoB_vgetGlobal(CState *state, int nargs, CValue *args) {
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// this function doesn't need to check anything, just return the global table
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cosmoV_pushObj(state, (CObj*)state->globals);
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return 1;
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}
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// hmmm i guess i could allow this?? no idea how the VM will react to the global table being suddenly being yoinked
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int cosmoB_vsetGlobal(CState *state, int nargs, CValue *args) {
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if (nargs != 2) {
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cosmoV_error(state, "Expected 2 argumenst, got %d!", nargs);
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return 0;
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}
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if (!IS_TABLE(args[1])) {
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cosmoV_typeError(state, "vm.__getter.globals", "<object>, <table>", "%s, %s", cosmoV_typeStr(args[0]), cosmoV_typeStr(args[1]));
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return 0;
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}
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// this makes me very nervous ngl
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CObjTable *tbl = (CObjTable*)cosmoV_readObj(args[1]);
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state->globals = tbl;
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return 0;
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}
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int cosmoB_vindexBProto(CState *state, int nargs, CValue *args) {
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if (nargs != 2) {
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cosmoV_error(state, "Expected 2 arguments, got %d!", nargs);
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return 0;
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}
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if (!IS_NUMBER(args[1])) {
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cosmoV_typeError(state, "baseProtos.__index", "<object>, <number>", "%s, %s", cosmoV_typeStr(args[0]), cosmoV_typeStr(args[1]));
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return 0;
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}
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int indx = (int)cosmoV_readNumber(args[1]);
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if (indx >= COBJ_MAX || indx < 0) {
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cosmoV_error(state, "index out of range! expected 0 - %d, got %d!", COBJ_MAX - 1, indx);
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return 0;
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}
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if (state->protoObjects[indx] != NULL)
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cosmoV_pushObj(state, (CObj*)state->protoObjects[indx]);
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else
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cosmoV_pushNil(state);
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return 1; // 1 value pushed, 1 value returned
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}
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int cosmoB_vnewindexBProto(CState *state, int nargs, CValue *args) {
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if (nargs != 3) {
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cosmoV_error(state, "Expected 3 arguments, got %d!", nargs);
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return 0;
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}
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if (!IS_NUMBER(args[1]) || !IS_OBJECT(args[2])) {
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cosmoV_typeError(state, "baseProtos.__newindex", "<object>, <number>, <object>", "%s, %s, %s", cosmoV_typeStr(args[0]), cosmoV_typeStr(args[1]), cosmoV_typeStr(args[2]));
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return 0;
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}
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int indx = (int)cosmoV_readNumber(args[1]);
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CObjObject *proto = cosmoV_readObject(args[2]);
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if (indx >= COBJ_MAX || indx < 0) {
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cosmoV_error(state, "index out of range! expected 0 - %d, got %d!", COBJ_MAX, indx);
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return 0;
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}
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cosmoV_registerProtoObject(state, indx, proto);
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return 0; // we don't return anything
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}
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void cosmoB_loadDebug(CState *state) {
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// make __getter object for debug proto
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cosmoV_pushString(state, "__getter");
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// key & value pair
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cosmoV_pushString(state, "__proto"); // key
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cosmoV_pushCFunction(state, cosmoB_dgetProto); // value
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cosmoV_makeTable(state, 1);
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// make __setter object
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cosmoV_pushString(state, "__setter");
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cosmoV_pushString(state, "__proto");
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cosmoV_pushCFunction(state, cosmoB_dsetProto);
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cosmoV_makeTable(state, 1);
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// we call makeObject leting it know there are 2 sets of key & value pairs on the stack
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CObjObject *obj = cosmoV_makeObject(state, 2);
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// set debug protos to the debug object
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cosmoV_registerProtoObject(state, COBJ_OBJECT, obj);
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cosmoV_pop(state); // pops the debug object
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// make vm.* object
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cosmoV_pushString(state, "vm");
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// make vm.baseProtos object
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cosmoV_pushString(state, "baseProtos");
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cosmoV_pushString(state, "__index");
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cosmoV_pushCFunction(state, cosmoB_vindexBProto);
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cosmoV_pushString(state, "__newindex");
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cosmoV_pushCFunction(state, cosmoB_vnewindexBProto);
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cosmoV_makeObject(state, 2); // makes the baseProtos object
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// make __getter table for vm object
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cosmoV_pushString(state, "__getter");
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cosmoV_pushString(state, "globals");
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cosmoV_pushCFunction(state, cosmoB_vgetGlobal);
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cosmoV_makeTable(state, 1);
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// make __setter table for vm object
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cosmoV_pushString(state, "__setter");
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cosmoV_pushString(state, "globals");
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cosmoV_pushCFunction(state, cosmoB_vsetGlobal);
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cosmoV_makeTable(state, 1);
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cosmoV_makeObject(state, 3); // makes the vm object
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// register "vm" to the global table
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cosmoV_register(state, 1);
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printf("[WARNING] the debug library has been loaded!\n");
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}
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