39 lines
866 B
C++
39 lines
866 B
C++
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#include "orga-comp.h"
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void
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interpreter::evalSTM(struct token stm) {
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switch (stm.t) {
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case token::STM_ASSIGN:
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table[stm.lvalue->value] = evalEXP(*stm.rvalue);
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std::cout << stm.lvalue->value << " igual a " << table[stm.lvalue->value] << '\n';
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break;
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case token::STM_COMPOUND:
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evalSTM(*stm.lvalue);
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evalSTM(*stm.rvalue);
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break;
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default:
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std::cout << "ERROR \n";
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exit(-1);
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break;
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}
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}
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int
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interpreter::evalEXP(struct token exp) {
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switch (exp.t) {
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case token::EXP_NUMBER:
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return std::stoi(exp.value);
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break;
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case token::EXP_ID:
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return table[exp.value];
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break;
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case token::EXP_OPERATION:
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if(exp.value == "+") return evalEXP(*exp.lvalue) + evalEXP(*exp.rvalue);
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if(exp.value == "-") return evalEXP(*exp.lvalue) - evalEXP(*exp.rvalue);
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break;
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default:
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std::cout << "ERROR \n";
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exit(-1);
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break;
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}
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}
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