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Added power operator '^', added OP_POW
- added TOKEN_CARROT to clex.[ch]
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@ -391,6 +391,7 @@ CToken cosmoL_scanToken(CLexState *state) {
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case ':': return makeToken(state, TOKEN_COLON);
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case '*': return makeToken(state, TOKEN_STAR);
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case '%': return makeToken(state, TOKEN_PERCENT);
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case '^': return makeToken(state, TOKEN_CARROT);
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case '#': return makeToken(state, TOKEN_POUND);
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case '/': return makeToken(state, TOKEN_SLASH);
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// two character tokens
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@ -24,6 +24,7 @@ typedef enum {
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TOKEN_STAR,
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TOKEN_POUND,
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TOKEN_PERCENT,
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TOKEN_CARROT,
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TOKEN_EOS, // end of statement
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// equality operators
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@ -40,6 +40,7 @@ typedef enum {
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OP_MULT,
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OP_DIV,
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OP_MOD,
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OP_POW,
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OP_NOT,
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OP_NEGATE,
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OP_COUNT,
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@ -465,6 +465,7 @@ static void binary(CParseState *pstate, bool canAssign, Precedence prec) {
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case TOKEN_STAR: writeu8Chunk(pstate->state, getChunk(pstate), OP_MULT, cachedLine); break;
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case TOKEN_SLASH: writeu8Chunk(pstate->state, getChunk(pstate), OP_DIV, cachedLine); break;
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case TOKEN_PERCENT: writeu8Chunk(pstate->state, getChunk(pstate), OP_MOD, cachedLine); break;
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case TOKEN_CARROT: writeu8Chunk(pstate->state, getChunk(pstate), OP_POW, cachedLine); break;
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// EQUALITY
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case TOKEN_EQUAL_EQUAL: writeu8Chunk(pstate->state, getChunk(pstate), OP_EQUAL, cachedLine); break;
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case TOKEN_GREATER: writeu8Chunk(pstate->state, getChunk(pstate), OP_GREATER, cachedLine); break;
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@ -921,6 +922,7 @@ ParseRule ruleTable[] = {
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[TOKEN_SLASH] = {NULL, binary, PREC_FACTOR},
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[TOKEN_STAR] = {NULL, binary, PREC_FACTOR},
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[TOKEN_PERCENT] = {NULL, binary, PREC_FACTOR},
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[TOKEN_CARROT] = {NULL, binary, PREC_FACTOR},
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[TOKEN_POUND] = {unary, NULL, PREC_NONE},
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[TOKEN_EOS] = {NULL, NULL, PREC_NONE},
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[TOKEN_BANG] = {unary, NULL, PREC_NONE},
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18
src/cvm.c
18
src/cvm.c
@ -981,10 +981,22 @@ int cosmoV_execute(CState *state) {
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if (IS_NUMBER(*valA) && IS_NUMBER(*valB)) {
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cosmoV_setTop(state, 2); /* pop the 2 values */
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cosmoV_pushValue(state, cosmoV_newNumber(fmod(cosmoV_readNumber(*valA), cosmoV_readNumber(*valB))));
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} else { \
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} else {
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cosmoV_error(state, "Expected numbers, got %s and %s!", cosmoV_typeStr(*valA), cosmoV_typeStr(*valB));
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return -1; \
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} \
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return -1;
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}
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continue;
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}
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case OP_POW: {
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StkPtr valA = cosmoV_getTop(state, 1);
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StkPtr valB = cosmoV_getTop(state, 0);
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if (IS_NUMBER(*valA) && IS_NUMBER(*valB)) {
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cosmoV_setTop(state, 2); /* pop the 2 values */
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cosmoV_pushValue(state, cosmoV_newNumber(pow(cosmoV_readNumber(*valA), cosmoV_readNumber(*valB))));
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} else {
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cosmoV_error(state, "Expected numbers, got %s and %s!", cosmoV_typeStr(*valA), cosmoV_typeStr(*valB));
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return -1;
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}
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continue;
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}
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case OP_NOT: {
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