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indent pass 2
git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@8689 d0543943-73ff-0310-b7d9-9358b9ac24b2
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Anthony Minessale committed
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@@ -25,244 +25,224 @@
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/* This routine will evaluate an expression */
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int exprEval(exprObj *obj, EXPRTYPE *val)
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{
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EXPRTYPE dummy;
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int exprEval(exprObj * obj, EXPRTYPE * val)
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{
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EXPRTYPE dummy;
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if(val == NULL)
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val = &dummy;
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if (val == NULL)
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val = &dummy;
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/* Make sure it was parsed successfully */
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if(!obj->parsedbad && obj->parsedgood && obj->headnode)
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{
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/* Do NOT reset the break count. Let is accumulate
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between calls until breaker function is called */
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return exprEvalNode(obj, obj->headnode, 0, val);
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}
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else
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return EXPR_ERROR_BADEXPR;
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}
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/* Make sure it was parsed successfully */
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if (!obj->parsedbad && obj->parsedgood && obj->headnode) {
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/* Do NOT reset the break count. Let is accumulate
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between calls until breaker function is called */
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return exprEvalNode(obj, obj->headnode, 0, val);
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} else
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return EXPR_ERROR_BADEXPR;
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}
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/* Evaluate a node */
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int exprEvalNode(exprObj *obj, exprNode *nodes, int curnode, EXPRTYPE *val)
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{
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int err;
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int pos;
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EXPRTYPE d1, d2;
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int exprEvalNode(exprObj * obj, exprNode * nodes, int curnode, EXPRTYPE * val)
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{
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int err;
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int pos;
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EXPRTYPE d1, d2;
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if(obj == NULL || nodes == NULL)
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return EXPR_ERROR_NULLPOINTER;
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if (obj == NULL || nodes == NULL)
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return EXPR_ERROR_NULLPOINTER;
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/* Update n to point to correct node */
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nodes += curnode;
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/* Update n to point to correct node */
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nodes += curnode;
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/* Check breaker count */
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if(obj->breakcur-- <= 0)
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{
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/* Reset count before returning */
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obj->breakcur = obj->breakcount;
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if(exprGetBreakResult(obj))
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{
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return EXPR_ERROR_BREAK;
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}
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}
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/* Check breaker count */
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if (obj->breakcur-- <= 0) {
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/* Reset count before returning */
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obj->breakcur = obj->breakcount;
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switch(nodes->type)
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{
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case EXPR_NODETYPE_MULTI:
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{
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/* Multi for multiple expressions in one string */
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for(pos = 0; pos < nodes->data.oper.nodecount; pos++)
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{
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err = exprEvalNode(obj, nodes->data.oper.nodes, pos, val);
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if(err)
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return err;
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}
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break;
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}
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if (exprGetBreakResult(obj)) {
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return EXPR_ERROR_BREAK;
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}
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}
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case EXPR_NODETYPE_ADD:
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{
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/* Addition */
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err = exprEvalNode(obj, nodes->data.oper.nodes, 0, &d1);
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switch (nodes->type) {
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case EXPR_NODETYPE_MULTI:
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{
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/* Multi for multiple expressions in one string */
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for (pos = 0; pos < nodes->data.oper.nodecount; pos++) {
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err = exprEvalNode(obj, nodes->data.oper.nodes, pos, val);
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if (err)
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return err;
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}
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break;
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}
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if(!err)
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err = exprEvalNode(obj, nodes->data.oper.nodes, 1, &d2);
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case EXPR_NODETYPE_ADD:
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{
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/* Addition */
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err = exprEvalNode(obj, nodes->data.oper.nodes, 0, &d1);
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if(!err)
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*val = d1 + d2;
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else
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return err;
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if (!err)
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err = exprEvalNode(obj, nodes->data.oper.nodes, 1, &d2);
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break;
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}
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if (!err)
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*val = d1 + d2;
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else
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return err;
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case EXPR_NODETYPE_SUBTRACT:
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{
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/* Subtraction */
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err = exprEvalNode(obj, nodes->data.oper.nodes, 0, &d1);
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if(!err)
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err = exprEvalNode(obj, nodes->data.oper.nodes, 1, &d2);
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break;
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}
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if(!err)
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*val = d1 - d2;
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else
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return err;
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case EXPR_NODETYPE_SUBTRACT:
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{
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/* Subtraction */
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err = exprEvalNode(obj, nodes->data.oper.nodes, 0, &d1);
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break;
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}
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if (!err)
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err = exprEvalNode(obj, nodes->data.oper.nodes, 1, &d2);
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case EXPR_NODETYPE_MULTIPLY:
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{
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/* Multiplication */
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err = exprEvalNode(obj, nodes->data.oper.nodes, 0, &d1);
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if (!err)
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*val = d1 - d2;
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else
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return err;
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if(!err)
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err = exprEvalNode(obj, nodes->data.oper.nodes, 1, &d2);
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break;
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}
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if(!err)
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*val = d1 * d2;
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else
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return err;
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case EXPR_NODETYPE_MULTIPLY:
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{
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/* Multiplication */
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err = exprEvalNode(obj, nodes->data.oper.nodes, 0, &d1);
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break;
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}
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if (!err)
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err = exprEvalNode(obj, nodes->data.oper.nodes, 1, &d2);
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case EXPR_NODETYPE_DIVIDE:
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{
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/* Division */
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err = exprEvalNode(obj, nodes->data.oper.nodes, 0, &d1);
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if (!err)
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*val = d1 * d2;
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else
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return err;
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if(!err)
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err = exprEvalNode(obj, nodes->data.oper.nodes, 1, &d2);
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break;
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}
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if(!err)
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{
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if(d2 != 0.0)
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*val = d1 / d2;
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else
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{
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case EXPR_NODETYPE_DIVIDE:
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{
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/* Division */
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err = exprEvalNode(obj, nodes->data.oper.nodes, 0, &d1);
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if (!err)
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err = exprEvalNode(obj, nodes->data.oper.nodes, 1, &d2);
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if (!err) {
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if (d2 != 0.0)
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*val = d1 / d2;
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else {
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#if(EXPR_ERROR_LEVEL >= EXPR_ERROR_LEVEL_CHECK)
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return EXPR_ERROR_DIVBYZERO;
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return EXPR_ERROR_DIVBYZERO;
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#else
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*val = 0.0;
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return EXPR_ERROR_NOERROR;
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*val = 0.0;
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return EXPR_ERROR_NOERROR;
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#endif
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}
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}
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else
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return err;
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}
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} else
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return err;
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break;
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}
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break;
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}
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case EXPR_NODETYPE_EXPONENT:
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{
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/* Exponent */
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err = exprEvalNode(obj, nodes->data.oper.nodes, 0, &d1);
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case EXPR_NODETYPE_EXPONENT:
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{
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/* Exponent */
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err = exprEvalNode(obj, nodes->data.oper.nodes, 0, &d1);
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if(!err)
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err = exprEvalNode(obj, nodes->data.oper.nodes, 1, &d2);
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if (!err)
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err = exprEvalNode(obj, nodes->data.oper.nodes, 1, &d2);
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if(!err)
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{
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EXPR_RESET_ERR();
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*val = pow(d1, d2);
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EXPR_CHECK_ERR();
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}
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else
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return err;
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if (!err) {
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EXPR_RESET_ERR();
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*val = pow(d1, d2);
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EXPR_CHECK_ERR();
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} else
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return err;
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break;
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}
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break;
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}
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case EXPR_NODETYPE_NEGATE:
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{
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/* Negative value */
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err = exprEvalNode(obj, nodes->data.oper.nodes, 0, &d1);
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case EXPR_NODETYPE_NEGATE:
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{
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/* Negative value */
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err = exprEvalNode(obj, nodes->data.oper.nodes, 0, &d1);
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if(!err)
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*val = -d1;
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else
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return err;
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break;
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}
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if (!err)
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*val = -d1;
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else
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return err;
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break;
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}
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case EXPR_NODETYPE_VALUE:
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{
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/* Directly access the value */
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*val = nodes->data.value.value;
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break;
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}
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case EXPR_NODETYPE_VALUE:
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{
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/* Directly access the value */
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*val = nodes->data.value.value;
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break;
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}
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case EXPR_NODETYPE_VARIABLE:
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{
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/* Directly access the variable or constant */
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*val = *(nodes->data.variable.vaddr);
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break;
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}
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case EXPR_NODETYPE_VARIABLE:
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{
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/* Directly access the variable or constant */
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*val = *(nodes->data.variable.vaddr);
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break;
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}
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case EXPR_NODETYPE_ASSIGN:
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{
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/* Evaluate assignment subnode */
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err = exprEvalNode(obj, nodes->data.assign.node, 0, val);
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case EXPR_NODETYPE_ASSIGN:
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{
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/* Evaluate assignment subnode */
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err = exprEvalNode(obj, nodes->data.assign.node, 0, val);
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if(!err)
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{
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/* Directly assign the variable */
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*(nodes->data.assign.vaddr) = *val;
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}
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else
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return err;
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break;
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}
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if (!err) {
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/* Directly assign the variable */
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*(nodes->data.assign.vaddr) = *val;
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} else
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return err;
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case EXPR_NODETYPE_FUNCTION:
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{
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/* Evaluate the function */
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if(nodes->data.function.fptr == NULL)
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{
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/* No function pointer means we are not using
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function solvers. See if the function has a
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type to solve directly. */
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switch(nodes->data.function.type)
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{
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/* This is to keep the file from being too crowded.
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See exprilfs.h for the definitions. */
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break;
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}
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case EXPR_NODETYPE_FUNCTION:
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{
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/* Evaluate the function */
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if (nodes->data.function.fptr == NULL) {
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/* No function pointer means we are not using
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function solvers. See if the function has a
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type to solve directly. */
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switch (nodes->data.function.type) {
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/* This is to keep the file from being too crowded.
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See exprilfs.h for the definitions. */
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#include "exprilfs.h"
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default:
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{
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return EXPR_ERROR_UNKNOWN;
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}
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}
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}
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else
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{
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/* Call the correct function */
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return (*(nodes->data.function.fptr))(obj,
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nodes->data.function.nodes, nodes->data.function.nodecount,
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nodes->data.function.refs, nodes->data.function.refcount, val);
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}
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break;
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}
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default:
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{
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/* Unknown node type */
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return EXPR_ERROR_UNKNOWN;
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}
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}
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return EXPR_ERROR_NOERROR;
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}
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default:
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{
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return EXPR_ERROR_UNKNOWN;
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}
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}
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} else {
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/* Call the correct function */
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return (*(nodes->data.function.fptr)) (obj,
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nodes->data.function.nodes, nodes->data.function.nodecount,
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nodes->data.function.refs, nodes->data.function.refcount, val);
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}
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break;
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}
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default:
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{
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/* Unknown node type */
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return EXPR_ERROR_UNKNOWN;
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}
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}
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return EXPR_ERROR_NOERROR;
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}
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