1460 lines
36 KiB
C++
1460 lines
36 KiB
C++
#include "valexpr.h"
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#include "walk.h"
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#include "error.h"
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#include "datetime.h"
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#include "debug.h"
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#include "util.h"
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namespace ledger {
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std::auto_ptr<value_calc> amount_expr;
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std::auto_ptr<value_calc> total_expr;
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std::auto_ptr<scope_t> global_scope;
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std::time_t terminus;
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details_t::details_t(const transaction_t& _xact)
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: entry(_xact.entry), xact(&_xact), account(xact_account(_xact))
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{
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DEBUG_PRINT("ledger.memory.ctors", "ctor details_t");
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}
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bool compute_amount(value_expr_t * expr, amount_t& amt,
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const transaction_t * xact, value_expr_t * context)
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{
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value_t result;
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expr->compute(result, xact ? details_t(*xact) : details_t(), context);
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switch (result.type) {
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case value_t::BOOLEAN:
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amt = *((bool *) result.data);
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break;
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case value_t::INTEGER:
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amt = *((long *) result.data);
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break;
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case value_t::AMOUNT:
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amt = *((amount_t *) result.data);
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break;
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case value_t::BALANCE:
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case value_t::BALANCE_PAIR:
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return false;
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}
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return true;
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}
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value_expr_t::~value_expr_t()
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{
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DEBUG_PRINT("ledger.memory.dtors", "dtor value_expr_t " << this);
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DEBUG_PRINT("ledger.valexpr.memory", "Destroying " << this);
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assert(refc == 0);
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if (left)
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left->release();
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switch (kind) {
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case F_CODE_MASK:
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case F_PAYEE_MASK:
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case F_NOTE_MASK:
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case F_ACCOUNT_MASK:
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case F_SHORT_ACCOUNT_MASK:
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case F_COMMODITY_MASK:
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assert(mask);
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delete mask;
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break;
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case CONSTANT_A:
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assert(constant_a);
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delete constant_a;
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break;
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case CONSTANT_I:
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case CONSTANT_T:
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case CONSTANT_V:
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break;
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default:
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if (kind > TERMINALS && right)
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right->release();
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break;
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}
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}
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namespace {
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int count_leaves(value_expr_t * expr)
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{
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int count = 0;
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if (expr->kind != value_expr_t::O_COM) {
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count = 1;
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} else {
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count += count_leaves(expr->left);
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count += count_leaves(expr->right);
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}
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return count;
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}
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value_expr_t * reduce_leaves(value_expr_t * expr, const details_t& details,
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value_expr_t * context)
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{
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if (expr == NULL)
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return NULL;
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value_auto_ptr temp;
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if (expr->kind != value_expr_t::O_COM) {
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if (expr->kind < value_expr_t::TERMINALS) {
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temp.reset(expr);
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} else {
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temp.reset(new value_expr_t(value_expr_t::CONSTANT_V));
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temp->constant_v = new value_t();
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expr->compute(*(temp->constant_v), details, context);
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}
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} else {
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temp.reset(new value_expr_t(value_expr_t::O_COM));
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temp->set_left(reduce_leaves(expr->left, details, context));
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temp->set_right(reduce_leaves(expr->right, details, context));
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}
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return temp.release();
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}
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value_expr_t * find_leaf(value_expr_t * context, int goal, int& found)
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{
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if (context == NULL)
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return NULL;
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if (context->kind != value_expr_t::O_COM) {
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if (goal == found++)
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return context;
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} else {
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value_expr_t * expr = find_leaf(context->left, goal, found);
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if (expr)
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return expr;
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expr = find_leaf(context->right, goal, found);
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if (expr)
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return expr;
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}
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return NULL;
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}
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}
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void value_expr_t::compute(value_t& result, const details_t& details,
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value_expr_t * context) const
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{
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switch (kind) {
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case CONSTANT_I:
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result = constant_i;
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break;
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case CONSTANT_T:
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result = long(constant_t);
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break;
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case CONSTANT_A:
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result = *constant_a;
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break;
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case CONSTANT_V:
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result = *constant_v;
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break;
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case F_NOW:
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result = long(terminus);
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break;
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case AMOUNT:
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if (details.xact) {
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if (transaction_has_xdata(*details.xact) &&
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transaction_xdata_(*details.xact).dflags & TRANSACTION_COMPOSITE)
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result = transaction_xdata_(*details.xact).composite_amount;
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else
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result = base_amount(details.xact->amount);
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}
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else if (details.account && account_has_xdata(*details.account)) {
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result = account_xdata(*details.account).value;
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}
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else {
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result = 0L;
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}
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break;
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case PRICE:
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if (details.xact) {
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bool set = false;
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if (transaction_has_xdata(*details.xact)) {
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transaction_xdata_t& xdata(transaction_xdata_(*details.xact));
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if (xdata.dflags & TRANSACTION_COMPOSITE) {
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result = xdata.composite_amount.price();
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set = true;
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}
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}
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if (! set)
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result = details.xact->amount.price();
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}
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else if (details.account && account_has_xdata(*details.account)) {
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result = account_xdata(*details.account).value.price();
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}
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else {
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result = 0L;
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}
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break;
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case COST:
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if (details.xact) {
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bool set = false;
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if (transaction_has_xdata(*details.xact)) {
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transaction_xdata_t& xdata(transaction_xdata_(*details.xact));
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if (xdata.dflags & TRANSACTION_COMPOSITE) {
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result = xdata.composite_amount.cost();
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set = true;
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}
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}
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if (! set) {
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if (details.xact->cost)
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result = *details.xact->cost;
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else
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result = base_amount(details.xact->amount);
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}
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}
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else if (details.account && account_has_xdata(*details.account)) {
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result = account_xdata(*details.account).value.cost();
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}
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else {
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result = 0L;
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}
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break;
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case TOTAL:
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if (details.xact && transaction_has_xdata(*details.xact))
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result = transaction_xdata_(*details.xact).total;
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else if (details.account && account_has_xdata(*details.account))
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result = account_xdata(*details.account).total;
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else
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result = 0L;
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break;
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case PRICE_TOTAL:
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if (details.xact && transaction_has_xdata(*details.xact))
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result = transaction_xdata_(*details.xact).total.price();
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else if (details.account && account_has_xdata(*details.account))
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result = account_xdata(*details.account).total.price();
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else
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result = 0L;
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break;
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case COST_TOTAL:
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if (details.xact && transaction_has_xdata(*details.xact))
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result = transaction_xdata_(*details.xact).total.cost();
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else if (details.account && account_has_xdata(*details.account))
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result = account_xdata(*details.account).total.cost();
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else
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result = 0L;
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break;
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case VALUE_EXPR:
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if (amount_expr.get())
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amount_expr->compute(result, details, context);
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else
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result = 0L;
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break;
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case TOTAL_EXPR:
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if (total_expr.get())
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total_expr->compute(result, details, context);
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else
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result = 0L;
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break;
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case DATE:
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if (details.xact && transaction_has_xdata(*details.xact) &&
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transaction_xdata_(*details.xact).date)
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result = long(transaction_xdata_(*details.xact).date);
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else if (details.xact)
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result = long(details.xact->date());
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else if (details.entry)
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result = long(details.entry->date());
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else
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result = long(terminus);
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break;
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case ACT_DATE:
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if (details.xact && transaction_has_xdata(*details.xact) &&
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transaction_xdata_(*details.xact).date)
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result = long(transaction_xdata_(*details.xact).date);
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else if (details.xact)
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result = long(details.xact->actual_date());
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else if (details.entry)
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result = long(details.entry->actual_date());
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else
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result = long(terminus);
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break;
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case EFF_DATE:
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if (details.xact && transaction_has_xdata(*details.xact) &&
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transaction_xdata_(*details.xact).date)
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result = long(transaction_xdata_(*details.xact).date);
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else if (details.xact)
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result = long(details.xact->effective_date());
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else if (details.entry)
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result = long(details.entry->effective_date());
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else
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result = long(terminus);
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break;
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case CLEARED:
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if (details.xact)
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result = details.xact->state == transaction_t::CLEARED;
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else
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result = false;
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break;
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case PENDING:
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if (details.xact)
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result = details.xact->state == transaction_t::PENDING;
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else
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result = false;
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break;
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case REAL:
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if (details.xact)
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result = ! (details.xact->flags & TRANSACTION_VIRTUAL);
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else
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result = true;
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break;
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case ACTUAL:
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if (details.xact)
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result = ! (details.xact->flags & TRANSACTION_AUTO);
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else
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result = true;
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break;
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case INDEX:
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if (details.xact && transaction_has_xdata(*details.xact))
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result = long(transaction_xdata_(*details.xact).index + 1);
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else if (details.account && account_has_xdata(*details.account))
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result = long(account_xdata(*details.account).count);
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else
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result = 0L;
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break;
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case COUNT:
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if (details.xact && transaction_has_xdata(*details.xact))
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result = long(transaction_xdata_(*details.xact).index + 1);
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else if (details.account && account_has_xdata(*details.account))
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result = long(account_xdata(*details.account).total_count);
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else
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result = 0L;
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break;
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case DEPTH:
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if (details.account)
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result = long(details.account->depth);
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else
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result = 0L;
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break;
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case F_ARITH_MEAN: {
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int index = 0;
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value_expr_t * expr = find_leaf(context, 0, index);
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if (details.xact && transaction_has_xdata(*details.xact)) {
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expr->compute(result, details, context);
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result /= amount_t(long(transaction_xdata_(*details.xact).index + 1));
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}
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else if (details.account && account_has_xdata(*details.account) &&
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account_xdata(*details.account).total_count) {
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expr->compute(result, details, context);
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result /= amount_t(long(account_xdata(*details.account).total_count));
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}
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else {
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result = 0L;
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}
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break;
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}
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case F_PARENT:
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if (details.account && details.account->parent)
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left->compute(result, details_t(*details.account->parent), context);
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break;
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case F_ABS: {
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int index = 0;
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value_expr_t * expr = find_leaf(context, 0, index);
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expr->compute(result, details, context);
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result.abs();
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break;
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}
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case F_COMMODITY: {
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int index = 0;
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value_expr_t * expr = find_leaf(context, 0, index);
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expr->compute(result, details, context);
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if (result.type != value_t::AMOUNT)
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throw compute_error("Argument to commodity() must be a commoditized amount");
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amount_t temp("1");
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temp.set_commodity(((amount_t *) result.data)->commodity());
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result = temp;
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break;
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}
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case F_SET_COMMODITY: {
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int index = 0;
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value_expr_t * expr = find_leaf(context, 0, index);
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value_t temp;
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expr->compute(temp, details, context);
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index = 0;
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expr = find_leaf(context, 1, index);
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expr->compute(result, details, context);
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if (result.type != value_t::AMOUNT)
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throw compute_error("Second argument to set_commodity() must be a commoditized amount");
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amount_t one("1");
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one.set_commodity(((amount_t *) result.data)->commodity());
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result = one;
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result *= temp;
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break;
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}
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case F_QUANTITY: {
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int index = 0;
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value_expr_t * expr = find_leaf(context, 0, index);
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expr->compute(result, details, context);
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balance_t * bal = NULL;
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switch (result.type) {
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case value_t::BALANCE_PAIR:
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bal = &((balance_pair_t *) result.data)->quantity;
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// fall through...
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case value_t::BALANCE:
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if (! bal)
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bal = (balance_t *) result.data;
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if (bal->amounts.size() < 2) {
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result.cast(value_t::AMOUNT);
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} else {
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value_t temp;
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for (amounts_map::const_iterator i = bal->amounts.begin();
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i != bal->amounts.end();
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i++) {
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amount_t x = (*i).second;
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x.clear_commodity();
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temp += x;
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}
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result = temp;
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assert(temp.type == value_t::AMOUNT);
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}
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// fall through...
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case value_t::AMOUNT:
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((amount_t *) result.data)->clear_commodity();
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break;
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default:
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break;
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}
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break;
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}
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case F_CODE_MASK:
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assert(mask);
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if (details.entry)
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result = mask->match(details.entry->code);
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else
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result = false;
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break;
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case F_PAYEE_MASK:
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assert(mask);
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if (details.entry)
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result = mask->match(details.entry->payee);
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else
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result = false;
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break;
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case F_NOTE_MASK:
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assert(mask);
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if (details.xact)
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result = mask->match(details.xact->note);
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else
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result = false;
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break;
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case F_ACCOUNT_MASK:
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assert(mask);
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if (details.account)
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result = mask->match(details.account->fullname());
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else
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result = false;
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break;
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case F_SHORT_ACCOUNT_MASK:
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assert(mask);
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if (details.account)
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result = mask->match(details.account->name);
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else
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result = false;
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break;
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case F_COMMODITY_MASK:
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assert(mask);
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if (details.xact)
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result = mask->match(details.xact->amount.commodity().symbol);
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else
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result = false;
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break;
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case O_ARG: {
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int index = 0;
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assert(left);
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assert(left->kind == CONSTANT_I);
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value_expr_t * expr = find_leaf(context, left->constant_i, index);
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if (expr)
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expr->compute(result, details, context);
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else
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result = 0L;
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break;
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}
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case O_COM:
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assert(left);
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assert(right);
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left->compute(result, details, context);
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right->compute(result, details, context);
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break;
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case O_DEF:
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throw compute_error("Cannot compute function definition");
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case O_REF: {
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assert(left);
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if (right) {
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value_auto_ptr args(reduce_leaves(right, details, context));
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left->compute(result, details, args.get());
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} else {
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left->compute(result, details, context);
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}
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break;
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}
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|
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case F_VALUE: {
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int index = 0;
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value_expr_t * expr = find_leaf(context, 0, index);
|
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expr->compute(result, details, context);
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|
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index = 0;
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expr = find_leaf(context, 1, index);
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|
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amount_t moment;
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if (compute_amount(expr, moment, details.xact, context))
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result = result.value((long)moment);
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else
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throw compute_error("Invalid date passed to P(value,date)");
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break;
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}
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|
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case O_NOT:
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left->compute(result, details, context);
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result.negate();
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break;
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|
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case O_QUES: {
|
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assert(left);
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assert(right);
|
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assert(right->kind == O_COL);
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left->compute(result, details, context);
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if (result)
|
|
right->left->compute(result, details, context);
|
|
else
|
|
right->right->compute(result, details, context);
|
|
break;
|
|
}
|
|
|
|
case O_AND:
|
|
assert(left);
|
|
assert(right);
|
|
left->compute(result, details, context);
|
|
if (result)
|
|
right->compute(result, details, context);
|
|
break;
|
|
|
|
case O_OR:
|
|
assert(left);
|
|
assert(right);
|
|
left->compute(result, details, context);
|
|
if (! result)
|
|
right->compute(result, details, context);
|
|
break;
|
|
|
|
case O_NEQ:
|
|
case O_EQ:
|
|
case O_LT:
|
|
case O_LTE:
|
|
case O_GT:
|
|
case O_GTE: {
|
|
assert(left);
|
|
assert(right);
|
|
value_t temp;
|
|
left->compute(temp, details, context);
|
|
right->compute(result, details, context);
|
|
switch (kind) {
|
|
case O_NEQ: result = temp != result; break;
|
|
case O_EQ: result = temp == result; break;
|
|
case O_LT: result = temp < result; break;
|
|
case O_LTE: result = temp <= result; break;
|
|
case O_GT: result = temp > result; break;
|
|
case O_GTE: result = temp >= result; break;
|
|
default: assert(0); break;
|
|
}
|
|
break;
|
|
}
|
|
|
|
case O_NEG:
|
|
assert(left);
|
|
left->compute(result, details, context);
|
|
result.negate();
|
|
break;
|
|
|
|
case O_ADD:
|
|
case O_SUB:
|
|
case O_MUL:
|
|
case O_DIV: {
|
|
assert(left);
|
|
assert(right);
|
|
value_t temp;
|
|
right->compute(temp, details, context);
|
|
left->compute(result, details, context);
|
|
switch (kind) {
|
|
case O_ADD: result += temp; break;
|
|
case O_SUB: result -= temp; break;
|
|
case O_MUL: result *= temp; break;
|
|
case O_DIV: result /= temp; break;
|
|
default: assert(0); break;
|
|
}
|
|
break;
|
|
}
|
|
|
|
case O_PERC: {
|
|
assert(left);
|
|
result = "100.0%";
|
|
value_t temp;
|
|
left->compute(temp, details, context);
|
|
result *= temp;
|
|
break;
|
|
}
|
|
|
|
case LAST:
|
|
default:
|
|
assert(0);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static inline void unexpected(char c, char wanted = '\0') {
|
|
if ((unsigned char) c == 0xff) {
|
|
if (wanted)
|
|
throw value_expr_error(std::string("Missing '") + wanted + "'");
|
|
else
|
|
throw value_expr_error("Unexpected end");
|
|
} else {
|
|
if (wanted)
|
|
throw value_expr_error(std::string("Invalid char '") + c +
|
|
"' (wanted '" + wanted + "')");
|
|
else
|
|
throw value_expr_error(std::string("Invalid char '") + c + "'");
|
|
}
|
|
}
|
|
|
|
value_expr_t * parse_value_term(std::istream& in, scope_t * scope);
|
|
|
|
inline value_expr_t * parse_value_term(const char * p, scope_t * scope) {
|
|
std::istringstream stream(p);
|
|
return parse_value_term(stream, scope);
|
|
}
|
|
|
|
value_expr_t * parse_value_term(std::istream& in, scope_t * scope)
|
|
{
|
|
value_auto_ptr node;
|
|
|
|
char buf[256];
|
|
char c = peek_next_nonws(in);
|
|
if (std::isdigit(c) || c == '.') {
|
|
READ_INTO(in, buf, 255, c, std::isdigit(c) || c == '.');
|
|
|
|
if (std::strchr(buf, '.')) {
|
|
node.reset(new value_expr_t(value_expr_t::CONSTANT_A));
|
|
node->constant_a = new amount_t(buf);
|
|
} else {
|
|
node.reset(new value_expr_t(value_expr_t::CONSTANT_I));
|
|
node->constant_i = std::atol(buf);
|
|
}
|
|
goto parsed;
|
|
}
|
|
else if (std::isalnum(c) || c == '_') {
|
|
bool have_args = false;
|
|
istream_pos_type beg;
|
|
|
|
READ_INTO(in, buf, 255, c, std::isalnum(c) || c == '_');
|
|
c = peek_next_nonws(in);
|
|
if (c == '(') {
|
|
in.get(c);
|
|
beg = in.tellg();
|
|
|
|
int paren_depth = 0;
|
|
while (! in.eof()) {
|
|
in.get(c);
|
|
if (c == '(' || c == '{' || c == '[')
|
|
paren_depth++;
|
|
else if (c == ')' || c == '}' || c == ']') {
|
|
if (paren_depth == 0)
|
|
break;
|
|
paren_depth--;
|
|
}
|
|
}
|
|
if (c != ')')
|
|
unexpected(c, ')');
|
|
|
|
have_args = true;
|
|
c = peek_next_nonws(in);
|
|
}
|
|
|
|
if (c == '=') {
|
|
in.get(c);
|
|
if (peek_next_nonws(in) == '=') {
|
|
in.unget();
|
|
c = '\0';
|
|
goto parsed; // parse this as == operator
|
|
}
|
|
|
|
std::auto_ptr<scope_t> params(new scope_t(scope));
|
|
|
|
int index = 0;
|
|
if (have_args) {
|
|
bool done = false;
|
|
|
|
in.clear();
|
|
in.seekg(beg, std::ios::beg);
|
|
while (! done && ! in.eof()) {
|
|
char ident[32];
|
|
READ_INTO(in, ident, 31, c, std::isalnum(c) || c == '_');
|
|
|
|
c = peek_next_nonws(in);
|
|
in.get(c);
|
|
if (c != ',' && c != ')')
|
|
unexpected(c, ')');
|
|
else if (c == ')')
|
|
done = true;
|
|
|
|
// Define the parameter so that on lookup the parser will find
|
|
// an O_ARG value.
|
|
node.reset(new value_expr_t(value_expr_t::O_ARG));
|
|
node->set_left(new value_expr_t(value_expr_t::CONSTANT_I));
|
|
node->left->constant_i = index++;
|
|
params->define(ident, node.release());
|
|
}
|
|
|
|
if (peek_next_nonws(in) != '=') {
|
|
in.get(c);
|
|
unexpected(c, '=');
|
|
}
|
|
in.get(c);
|
|
}
|
|
|
|
// Define the value associated with the defined identifier
|
|
value_auto_ptr def(parse_boolean_expr(in, params.get()));
|
|
if (def.get() == NULL)
|
|
throw value_expr_error(std::string("Definition failed for '") + buf + "'");
|
|
|
|
node.reset(new value_expr_t(value_expr_t::O_DEF));
|
|
node->set_left(new value_expr_t(value_expr_t::CONSTANT_I));
|
|
node->left->constant_i = index;
|
|
node->set_right(def.release());
|
|
|
|
scope->define(buf, node.release());
|
|
|
|
// Returning a dummy value in place of the definition
|
|
node.reset(new value_expr_t(value_expr_t::CONSTANT_I));
|
|
node->constant_i = 0;
|
|
} else {
|
|
assert(scope);
|
|
value_expr_t * def = scope->lookup(buf);
|
|
if (def == NULL) {
|
|
if (buf[1] == '\0' &&
|
|
(buf[0] == 'c' || buf[0] == 'C' || buf[0] == 'p' ||
|
|
buf[0] == 'w' || buf[0] == 'W' || buf[0] == 'e'))
|
|
goto find_term;
|
|
throw value_expr_error(std::string("Unknown identifier '") + buf + "'");
|
|
}
|
|
else if (def->kind == value_expr_t::O_DEF) {
|
|
node.reset(new value_expr_t(value_expr_t::O_REF));
|
|
node->set_left(def->right);
|
|
|
|
int count = 0;
|
|
if (have_args) {
|
|
in.clear();
|
|
in.seekg(beg, std::ios::beg);
|
|
value_auto_ptr args(parse_value_expr(in, scope, true));
|
|
|
|
if (peek_next_nonws(in) != ')') {
|
|
in.get(c);
|
|
unexpected(c, ')');
|
|
}
|
|
in.get(c);
|
|
|
|
if (args.get() != NULL) {
|
|
count = count_leaves(args.get());
|
|
node->set_right(args.release());
|
|
}
|
|
}
|
|
|
|
if (count != def->left->constant_i) {
|
|
std::string msg;
|
|
std::ostringstream errmsg(msg);
|
|
errmsg << "Wrong number of arguments to '" << buf
|
|
<< "': saw " << count
|
|
<< ", wanted " << def->left->constant_i;
|
|
throw value_expr_error(errmsg.str());
|
|
}
|
|
}
|
|
else {
|
|
node.reset(def);
|
|
}
|
|
}
|
|
goto parsed;
|
|
}
|
|
|
|
find_term:
|
|
in.get(c);
|
|
switch (c) {
|
|
// Functions
|
|
case '^':
|
|
node.reset(new value_expr_t(value_expr_t::F_PARENT));
|
|
node->set_left(parse_value_term(in, scope));
|
|
break;
|
|
|
|
// Other
|
|
case 'c':
|
|
case 'C':
|
|
case 'p':
|
|
case 'w':
|
|
case 'W':
|
|
case 'e':
|
|
case '/': {
|
|
bool code_mask = c == 'c';
|
|
bool commodity_mask = c == 'C';
|
|
bool payee_mask = c == 'p';
|
|
bool note_mask = c == 'e';
|
|
bool short_account_mask = c == 'w';
|
|
|
|
if (c == '/') {
|
|
c = peek_next_nonws(in);
|
|
if (c == '/') {
|
|
in.get(c);
|
|
c = in.peek();
|
|
if (c == '/') {
|
|
in.get(c);
|
|
c = in.peek();
|
|
short_account_mask = true;
|
|
} else {
|
|
payee_mask = true;
|
|
}
|
|
}
|
|
} else {
|
|
in.get(c);
|
|
}
|
|
|
|
// Read in the regexp
|
|
READ_INTO(in, buf, 255, c, c != '/');
|
|
if (c != '/')
|
|
unexpected(c, '/');
|
|
|
|
value_expr_t::kind_t kind;
|
|
|
|
if (short_account_mask)
|
|
kind = value_expr_t::F_SHORT_ACCOUNT_MASK;
|
|
else if (code_mask)
|
|
kind = value_expr_t::F_CODE_MASK;
|
|
else if (commodity_mask)
|
|
kind = value_expr_t::F_COMMODITY_MASK;
|
|
else if (payee_mask)
|
|
kind = value_expr_t::F_PAYEE_MASK;
|
|
else if (note_mask)
|
|
kind = value_expr_t::F_NOTE_MASK;
|
|
else
|
|
kind = value_expr_t::F_ACCOUNT_MASK;
|
|
|
|
in.get(c);
|
|
node.reset(new value_expr_t(kind));
|
|
node->mask = new mask_t(buf);
|
|
break;
|
|
}
|
|
|
|
case '{': {
|
|
int paren_depth = 0;
|
|
int i = 0;
|
|
while (i < 255 && ! in.eof()) {
|
|
in.get(c);
|
|
if (c == '{') {
|
|
paren_depth++;
|
|
}
|
|
else if (c == '}') {
|
|
if (paren_depth == 0)
|
|
break;
|
|
paren_depth--;
|
|
}
|
|
buf[i++] = c;
|
|
}
|
|
buf[i] = '\0';
|
|
|
|
if (c != '}')
|
|
unexpected(c, '}');
|
|
|
|
node.reset(new value_expr_t(value_expr_t::CONSTANT_A));
|
|
node->constant_a = new amount_t(buf);
|
|
break;
|
|
}
|
|
|
|
case '(': {
|
|
std::auto_ptr<scope_t> locals(new scope_t(scope));
|
|
node.reset(parse_value_expr(in, locals.get(), true));
|
|
in.get(c);
|
|
if (c != ')')
|
|
unexpected(c, ')');
|
|
break;
|
|
}
|
|
|
|
case '[': {
|
|
READ_INTO(in, buf, 255, c, c != ']');
|
|
if (c != ']')
|
|
unexpected(c, ']');
|
|
in.get(c);
|
|
|
|
node.reset(new value_expr_t(value_expr_t::CONSTANT_T));
|
|
|
|
interval_t timespan(buf);
|
|
node->constant_t = timespan.first();
|
|
break;
|
|
}
|
|
|
|
default:
|
|
in.unget();
|
|
break;
|
|
}
|
|
|
|
parsed:
|
|
return node.release();
|
|
}
|
|
|
|
value_expr_t * parse_mul_expr(std::istream& in, scope_t * scope)
|
|
{
|
|
value_auto_ptr node;
|
|
|
|
if (peek_next_nonws(in) == '%') {
|
|
char c;
|
|
in.get(c);
|
|
node.reset(new value_expr_t(value_expr_t::O_PERC));
|
|
node->set_left(parse_value_term(in, scope));
|
|
return node.release();
|
|
}
|
|
|
|
node.reset(parse_value_term(in, scope));
|
|
|
|
if (node.get() && ! in.eof()) {
|
|
char c = peek_next_nonws(in);
|
|
while (c == '*' || c == '/') {
|
|
in.get(c);
|
|
switch (c) {
|
|
case '*': {
|
|
value_auto_ptr prev(node.release());
|
|
node.reset(new value_expr_t(value_expr_t::O_MUL));
|
|
node->set_left(prev.release());
|
|
node->set_right(parse_value_term(in, scope));
|
|
break;
|
|
}
|
|
|
|
case '/': {
|
|
value_auto_ptr prev(node.release());
|
|
node.reset(new value_expr_t(value_expr_t::O_DIV));
|
|
node->set_left(prev.release());
|
|
node->set_right(parse_value_term(in, scope));
|
|
break;
|
|
}
|
|
}
|
|
c = peek_next_nonws(in);
|
|
}
|
|
}
|
|
|
|
return node.release();
|
|
}
|
|
|
|
value_expr_t * parse_add_expr(std::istream& in, scope_t * scope)
|
|
{
|
|
value_auto_ptr node;
|
|
|
|
if (peek_next_nonws(in) == '-') {
|
|
char c;
|
|
in.get(c);
|
|
value_auto_ptr expr(parse_mul_expr(in, scope));
|
|
if (expr->kind == value_expr_t::CONSTANT_I) {
|
|
expr->constant_i = - expr->constant_i;
|
|
return expr.release();
|
|
}
|
|
else if (expr->kind == value_expr_t::CONSTANT_A) {
|
|
expr->constant_a->negate();
|
|
return expr.release();
|
|
}
|
|
node.reset(new value_expr_t(value_expr_t::O_NEG));
|
|
node->set_left(expr.release());
|
|
return node.release();
|
|
}
|
|
|
|
node.reset(parse_mul_expr(in, scope));
|
|
|
|
if (node.get() && ! in.eof()) {
|
|
char c = peek_next_nonws(in);
|
|
while (c == '+' || c == '-') {
|
|
in.get(c);
|
|
switch (c) {
|
|
case '+': {
|
|
value_auto_ptr prev(node.release());
|
|
node.reset(new value_expr_t(value_expr_t::O_ADD));
|
|
node->set_left(prev.release());
|
|
node->set_right(parse_mul_expr(in, scope));
|
|
break;
|
|
}
|
|
|
|
case '-': {
|
|
value_auto_ptr prev(node.release());
|
|
node.reset(new value_expr_t(value_expr_t::O_SUB));
|
|
node->set_left(prev.release());
|
|
node->set_right(parse_mul_expr(in, scope));
|
|
break;
|
|
}
|
|
}
|
|
c = peek_next_nonws(in);
|
|
}
|
|
}
|
|
|
|
return node.release();
|
|
}
|
|
|
|
value_expr_t * parse_logic_expr(std::istream& in, scope_t * scope)
|
|
{
|
|
value_auto_ptr node;
|
|
|
|
if (peek_next_nonws(in) == '!') {
|
|
char c;
|
|
in.get(c);
|
|
node.reset(new value_expr_t(value_expr_t::O_NOT));
|
|
node->set_left(parse_add_expr(in, scope));
|
|
return node.release();
|
|
}
|
|
|
|
node.reset(parse_add_expr(in, scope));
|
|
|
|
if (node.get() && ! in.eof()) {
|
|
char c = peek_next_nonws(in);
|
|
if (c == '!' || c == '=' || c == '<' || c == '>') {
|
|
in.get(c);
|
|
switch (c) {
|
|
case '!':
|
|
case '=': {
|
|
bool negate = c == '!';
|
|
if ((c = peek_next_nonws(in)) == '=')
|
|
in.get(c);
|
|
else
|
|
unexpected(c, '=');
|
|
value_auto_ptr prev(node.release());
|
|
node.reset(new value_expr_t(negate ? value_expr_t::O_NEQ :
|
|
value_expr_t::O_EQ));
|
|
node->set_left(prev.release());
|
|
node->set_right(parse_add_expr(in, scope));
|
|
break;
|
|
}
|
|
|
|
case '<': {
|
|
value_auto_ptr prev(node.release());
|
|
node.reset(new value_expr_t(value_expr_t::O_LT));
|
|
if (peek_next_nonws(in) == '=') {
|
|
in.get(c);
|
|
node->kind = value_expr_t::O_LTE;
|
|
}
|
|
node->set_left(prev.release());
|
|
node->set_right(parse_add_expr(in, scope));
|
|
break;
|
|
}
|
|
|
|
case '>': {
|
|
value_auto_ptr prev(node.release());
|
|
node.reset(new value_expr_t(value_expr_t::O_GT));
|
|
if (peek_next_nonws(in) == '=') {
|
|
in.get(c);
|
|
node->kind = value_expr_t::O_GTE;
|
|
}
|
|
node->set_left(prev.release());
|
|
node->set_right(parse_add_expr(in, scope));
|
|
break;
|
|
}
|
|
|
|
default:
|
|
if (! in.eof())
|
|
unexpected(c);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return node.release();
|
|
}
|
|
|
|
value_expr_t * parse_boolean_expr(std::istream& in, scope_t * scope)
|
|
{
|
|
value_auto_ptr node(parse_logic_expr(in, scope));
|
|
|
|
if (node.get() && ! in.eof()) {
|
|
char c = peek_next_nonws(in);
|
|
while (c == '&' || c == '|' || c == '?') {
|
|
in.get(c);
|
|
switch (c) {
|
|
case '&': {
|
|
value_auto_ptr prev(node.release());
|
|
node.reset(new value_expr_t(value_expr_t::O_AND));
|
|
node->set_left(prev.release());
|
|
node->set_right(parse_logic_expr(in, scope));
|
|
break;
|
|
}
|
|
|
|
case '|': {
|
|
value_auto_ptr prev(node.release());
|
|
node.reset(new value_expr_t(value_expr_t::O_OR));
|
|
node->set_left(prev.release());
|
|
node->set_right(parse_logic_expr(in, scope));
|
|
break;
|
|
}
|
|
|
|
case '?': {
|
|
value_auto_ptr prev(node.release());
|
|
node.reset(new value_expr_t(value_expr_t::O_QUES));
|
|
node->set_left(prev.release());
|
|
node->set_right(new value_expr_t(value_expr_t::O_COL));
|
|
node->right->set_left(parse_logic_expr(in, scope));
|
|
c = peek_next_nonws(in);
|
|
if (c != ':')
|
|
unexpected(c, ':');
|
|
in.get(c);
|
|
node->right->set_right(parse_logic_expr(in, scope));
|
|
break;
|
|
}
|
|
|
|
default:
|
|
if (! in.eof())
|
|
unexpected(c);
|
|
break;
|
|
}
|
|
c = peek_next_nonws(in);
|
|
}
|
|
}
|
|
|
|
return node.release();
|
|
}
|
|
|
|
void init_value_expr()
|
|
{
|
|
global_scope.reset(new scope_t());
|
|
scope_t * globals = global_scope.get();
|
|
|
|
value_expr_t * node;
|
|
|
|
// Basic terms
|
|
node = new value_expr_t(value_expr_t::F_NOW);
|
|
globals->define("m", node);
|
|
globals->define("now", node);
|
|
|
|
node = new value_expr_t(value_expr_t::AMOUNT);
|
|
globals->define("a", node);
|
|
globals->define("amount", node);
|
|
|
|
node = new value_expr_t(value_expr_t::PRICE);
|
|
globals->define("i", node);
|
|
globals->define("price", node);
|
|
|
|
node = new value_expr_t(value_expr_t::COST);
|
|
globals->define("b", node);
|
|
globals->define("cost", node);
|
|
|
|
node = new value_expr_t(value_expr_t::DATE);
|
|
globals->define("d", node);
|
|
globals->define("date", node);
|
|
|
|
node = new value_expr_t(value_expr_t::ACT_DATE);
|
|
globals->define("act_date", node);
|
|
globals->define("actual_date", node);
|
|
|
|
node = new value_expr_t(value_expr_t::EFF_DATE);
|
|
globals->define("eff_date", node);
|
|
globals->define("effective_date", node);
|
|
|
|
node = new value_expr_t(value_expr_t::CLEARED);
|
|
globals->define("X", node);
|
|
globals->define("cleared", node);
|
|
|
|
node = new value_expr_t(value_expr_t::PENDING);
|
|
globals->define("Y", node);
|
|
globals->define("pending", node);
|
|
|
|
node = new value_expr_t(value_expr_t::REAL);
|
|
globals->define("R", node);
|
|
globals->define("real", node);
|
|
|
|
node = new value_expr_t(value_expr_t::ACTUAL);
|
|
globals->define("L", node);
|
|
globals->define("actual", node);
|
|
|
|
node = new value_expr_t(value_expr_t::INDEX);
|
|
globals->define("n", node);
|
|
globals->define("index", node);
|
|
|
|
node = new value_expr_t(value_expr_t::COUNT);
|
|
globals->define("N", node);
|
|
globals->define("count", node);
|
|
|
|
node = new value_expr_t(value_expr_t::DEPTH);
|
|
globals->define("l", node);
|
|
globals->define("depth", node);
|
|
|
|
node = new value_expr_t(value_expr_t::TOTAL);
|
|
globals->define("O", node);
|
|
globals->define("total", node);
|
|
|
|
node = new value_expr_t(value_expr_t::PRICE_TOTAL);
|
|
globals->define("I", node);
|
|
globals->define("price_total", node);
|
|
|
|
node = new value_expr_t(value_expr_t::COST_TOTAL);
|
|
globals->define("B", node);
|
|
globals->define("cost_total", node);
|
|
|
|
// Relating to format_t
|
|
globals->define("t", new value_expr_t(value_expr_t::VALUE_EXPR));
|
|
globals->define("T", new value_expr_t(value_expr_t::TOTAL_EXPR));
|
|
|
|
// Functions
|
|
node = new value_expr_t(value_expr_t::O_DEF);
|
|
node->set_left(new value_expr_t(value_expr_t::CONSTANT_I));
|
|
node->left->constant_i = 1;
|
|
node->set_right(new value_expr_t(value_expr_t::F_ABS));
|
|
globals->define("U", node);
|
|
globals->define("abs", node);
|
|
|
|
node = new value_expr_t(value_expr_t::O_DEF);
|
|
node->set_left(new value_expr_t(value_expr_t::CONSTANT_I));
|
|
node->left->constant_i = 1;
|
|
node->set_right(new value_expr_t(value_expr_t::F_QUANTITY));
|
|
globals->define("S", node);
|
|
globals->define("quant", node);
|
|
globals->define("quantity", node);
|
|
|
|
node = new value_expr_t(value_expr_t::O_DEF);
|
|
node->set_left(new value_expr_t(value_expr_t::CONSTANT_I));
|
|
node->left->constant_i = 1;
|
|
node->set_right(new value_expr_t(value_expr_t::F_COMMODITY));
|
|
globals->define("comm", node);
|
|
globals->define("commodity", node);
|
|
|
|
node = new value_expr_t(value_expr_t::O_DEF);
|
|
node->set_left(new value_expr_t(value_expr_t::CONSTANT_I));
|
|
node->left->constant_i = 2;
|
|
node->set_right(new value_expr_t(value_expr_t::F_SET_COMMODITY));
|
|
globals->define("setcomm", node);
|
|
globals->define("set_commodity", node);
|
|
|
|
node = new value_expr_t(value_expr_t::O_DEF);
|
|
node->set_left(new value_expr_t(value_expr_t::CONSTANT_I));
|
|
node->left->constant_i = 1;
|
|
node->set_right(new value_expr_t(value_expr_t::F_ARITH_MEAN));
|
|
globals->define("A", node);
|
|
globals->define("avg", node);
|
|
globals->define("mean", node);
|
|
globals->define("average", node);
|
|
|
|
node = new value_expr_t(value_expr_t::O_DEF);
|
|
node->set_left(new value_expr_t(value_expr_t::CONSTANT_I));
|
|
node->left->constant_i = 2;
|
|
node->set_right(new value_expr_t(value_expr_t::F_VALUE));
|
|
globals->define("P", node);
|
|
globals->define("val", node);
|
|
globals->define("value", node);
|
|
node = parse_boolean_expr("current_value(x)=P(x,m)", globals);
|
|
delete node;
|
|
|
|
// Macros
|
|
node = parse_value_expr("P(a,d)");
|
|
globals->define("v", node);
|
|
globals->define("market", node);
|
|
|
|
node = parse_value_expr("P(O,d)");
|
|
globals->define("V", node);
|
|
globals->define("market_total", node);
|
|
|
|
node = parse_value_expr("v-b");
|
|
globals->define("g", node);
|
|
globals->define("gain", node);
|
|
|
|
node = parse_value_expr("V-B");
|
|
globals->define("G", node);
|
|
globals->define("gain_total", node);
|
|
|
|
node = parse_boolean_expr("min(x,y)=x<y?x:y", globals);
|
|
delete node;
|
|
node = parse_boolean_expr("max(x,y)=x>y?x:y", globals);
|
|
delete node;
|
|
}
|
|
|
|
value_expr_t * parse_value_expr(std::istream& in, scope_t * scope,
|
|
const bool partial)
|
|
{
|
|
if (! global_scope.get())
|
|
init_value_expr();
|
|
|
|
std::auto_ptr<scope_t> this_scope(new scope_t(scope ? scope :
|
|
global_scope.get()));
|
|
value_auto_ptr node;
|
|
node.reset(parse_boolean_expr(in, this_scope.get()));
|
|
|
|
if (node.get() && ! in.eof()) {
|
|
char c = peek_next_nonws(in);
|
|
while (c == ',') {
|
|
in.get(c);
|
|
switch (c) {
|
|
case ',': {
|
|
value_auto_ptr prev(node.release());
|
|
node.reset(new value_expr_t(value_expr_t::O_COM));
|
|
node->set_left(prev.release());
|
|
node->set_right(parse_logic_expr(in, this_scope.get()));
|
|
break;
|
|
}
|
|
|
|
default:
|
|
if (! in.eof())
|
|
unexpected(c);
|
|
break;
|
|
}
|
|
c = peek_next_nonws(in);
|
|
}
|
|
}
|
|
|
|
char c;
|
|
if (! node.get()) {
|
|
in.get(c);
|
|
if (in.eof())
|
|
throw value_expr_error(std::string("Failed to parse value expression"));
|
|
else
|
|
unexpected(c);
|
|
} else if (! partial) {
|
|
in.get(c);
|
|
if (! in.eof())
|
|
unexpected(c);
|
|
else
|
|
in.unget();
|
|
}
|
|
|
|
return node.release();
|
|
}
|
|
|
|
void dump_value_expr(std::ostream& out, const value_expr_t * node,
|
|
const int depth)
|
|
{
|
|
out.setf(std::ios::left);
|
|
out.width(10);
|
|
out << node << " ";
|
|
|
|
for (int i = 0; i < depth; i++)
|
|
out << " ";
|
|
|
|
switch (node->kind) {
|
|
case value_expr_t::CONSTANT_I:
|
|
out << "CONSTANT_I - " << node->constant_i;
|
|
break;
|
|
case value_expr_t::CONSTANT_T:
|
|
out << "CONSTANT_T - [" << node->constant_t << ']';
|
|
break;
|
|
case value_expr_t::CONSTANT_A:
|
|
out << "CONSTANT_A - {" << *(node->constant_a) << '}';
|
|
break;
|
|
case value_expr_t::CONSTANT_V:
|
|
out << "CONSTANT_V - {" << *(node->constant_v) << '}';
|
|
break;
|
|
|
|
case value_expr_t::AMOUNT: out << "AMOUNT"; break;
|
|
case value_expr_t::PRICE: out << "PRICE"; break;
|
|
case value_expr_t::COST: out << "COST"; break;
|
|
case value_expr_t::DATE: out << "DATE"; break;
|
|
case value_expr_t::ACT_DATE: out << "ACT_DATE"; break;
|
|
case value_expr_t::EFF_DATE: out << "EFF_DATE"; break;
|
|
case value_expr_t::CLEARED: out << "CLEARED"; break;
|
|
case value_expr_t::PENDING: out << "PENDING"; break;
|
|
case value_expr_t::REAL: out << "REAL"; break;
|
|
case value_expr_t::ACTUAL: out << "ACTUAL"; break;
|
|
case value_expr_t::INDEX: out << "INDEX"; break;
|
|
case value_expr_t::COUNT: out << "COUNT"; break;
|
|
case value_expr_t::DEPTH: out << "DEPTH"; break;
|
|
case value_expr_t::TOTAL: out << "TOTAL"; break;
|
|
case value_expr_t::PRICE_TOTAL: out << "PRICE_TOTAL"; break;
|
|
case value_expr_t::COST_TOTAL: out << "COST_TOTAL"; break;
|
|
|
|
case value_expr_t::F_NOW: out << "F_NOW"; break;
|
|
case value_expr_t::F_ARITH_MEAN: out << "F_ARITH_MEAN"; break;
|
|
case value_expr_t::F_ABS: out << "F_ABS"; break;
|
|
case value_expr_t::F_QUANTITY: out << "F_QUANTITY"; break;
|
|
case value_expr_t::F_COMMODITY: out << "F_COMMODITY"; break;
|
|
case value_expr_t::F_SET_COMMODITY: out << "F_SET_COMMODITY"; break;
|
|
case value_expr_t::F_CODE_MASK: out << "F_CODE_MASK"; break;
|
|
case value_expr_t::F_PAYEE_MASK: out << "F_PAYEE_MASK"; break;
|
|
case value_expr_t::F_NOTE_MASK: out << "F_NOTE_MASK"; break;
|
|
case value_expr_t::F_ACCOUNT_MASK:
|
|
out << "F_ACCOUNT_MASK"; break;
|
|
case value_expr_t::F_SHORT_ACCOUNT_MASK:
|
|
out << "F_SHORT_ACCOUNT_MASK"; break;
|
|
case value_expr_t::F_COMMODITY_MASK:
|
|
out << "F_COMMODITY_MASK"; break;
|
|
case value_expr_t::F_VALUE: out << "F_VALUE"; break;
|
|
|
|
case value_expr_t::O_NOT: out << "O_NOT"; break;
|
|
case value_expr_t::O_ARG: out << "O_ARG"; break;
|
|
case value_expr_t::O_DEF: out << "O_DEF"; break;
|
|
case value_expr_t::O_REF: out << "O_REF"; break;
|
|
case value_expr_t::O_COM: out << "O_COM"; break;
|
|
case value_expr_t::O_QUES: out << "O_QUES"; break;
|
|
case value_expr_t::O_COL: out << "O_COL"; break;
|
|
case value_expr_t::O_AND: out << "O_AND"; break;
|
|
case value_expr_t::O_OR: out << "O_OR"; break;
|
|
case value_expr_t::O_NEQ: out << "O_NEQ"; break;
|
|
case value_expr_t::O_EQ: out << "O_EQ"; break;
|
|
case value_expr_t::O_LT: out << "O_LT"; break;
|
|
case value_expr_t::O_LTE: out << "O_LTE"; break;
|
|
case value_expr_t::O_GT: out << "O_GT"; break;
|
|
case value_expr_t::O_GTE: out << "O_GTE"; break;
|
|
case value_expr_t::O_NEG: out << "O_NEG"; break;
|
|
case value_expr_t::O_ADD: out << "O_ADD"; break;
|
|
case value_expr_t::O_SUB: out << "O_SUB"; break;
|
|
case value_expr_t::O_MUL: out << "O_MUL"; break;
|
|
case value_expr_t::O_DIV: out << "O_DIV"; break;
|
|
case value_expr_t::O_PERC: out << "O_PERC"; break;
|
|
|
|
case value_expr_t::LAST:
|
|
default:
|
|
assert(0);
|
|
break;
|
|
}
|
|
|
|
out << " (" << node->refc << ')' << std::endl;
|
|
|
|
if (node->kind > value_expr_t::TERMINALS) {
|
|
if (node->left) {
|
|
dump_value_expr(out, node->left, depth + 1);
|
|
if (node->right)
|
|
dump_value_expr(out, node->right, depth + 1);
|
|
} else {
|
|
assert(node->right == NULL);
|
|
}
|
|
} else {
|
|
assert(node->left == NULL);
|
|
}
|
|
}
|
|
|
|
} // namespace ledger
|