104 lines
3.5 KiB
C++
104 lines
3.5 KiB
C++
#include <iostream>
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#include <map>
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#include <mpfr.h>
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#include <readline/readline.h>
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#include <readline/history.h>
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#include "types.hpp"
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#include "ref.hpp"
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#include "functions.hpp"
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#include "abacus.hpp"
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extern "C" {
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#include "libabacus.h"
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#include "table.h"
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#include "value.h"
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#include "util.h"
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}
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// == Global State (uh-oh)
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bool close_requested = false;
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long requested_precision = 3;
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FUNCTION(quit) {
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close_requested = true;
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libab_get_unit_value(ab, into);
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return LIBAB_SUCCESS;
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}
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FUNCTION(request_precision) {
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number* value = (number*) libab_unwrap_param(params, 0);
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requested_precision = std::min(PRECISION / 4, std::max(2, value->to_int()));
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libab_get_unit_value(ab, into);
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return LIBAB_SUCCESS;
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}
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int main() {
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abacus ab;
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rl_bind_key('\t', rl_insert);
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size_t index = 0;
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ab.add_function("quit", function_quit, "()->unit");
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ab.add_function("request_precision", function_request_precision, "(num)->unit");
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ab.add_function("print", function_print_string, "(str)->unit");
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ab.add_function("to_string", function_to_string_num, "(num)->str");
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ab.add_function("to_string", function_to_string_bool, "(bool)->str");
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ab.add_function("to_string", function_to_string_unit, "(unit)->str");
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ab.add_function("lt", function_lt, "(num, num)->num");
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ab.add_function("lte", function_lte, "(num, num)->num");
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ab.add_function("equals", function_equals, "(num, num)->num");
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ab.add_function("gt", function_gt, "(num, num)->num");
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ab.add_function("gte", function_gte, "(num, num)->num");
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ab.add_function("plus", function_plus, "(num, num)->num");
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ab.add_function("minus", function_minus, "(num, num)->num");
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ab.add_function("times", function_times, "(num, num)->num");
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ab.add_function("divide", function_divide, "(num, num)->num");
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ab.add_function("pow", function_pow, "(num, num)->num");
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ab.add_function("negate", function_negate, "(num)->num");
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ab.add_function("factorial", function_factorial, "(num)->num");
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ab.add_function("ln", function_ln, "(num)->num");
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ab.add_function("exp", function_exp, "(num)->num");
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ab.add_function("sin", function_sin, "(num)->num");
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ab.add_function("cos", function_cos, "(num)->num");
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ab.add_function("tan", function_tan, "(num)->num");
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ab.add_function("arcsin", function_arcsin, "(num)->num");
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ab.add_function("arccos", function_arccos, "(num)->num");
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ab.add_function("arctan", function_arctan, "(num)->num");
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ab.add_operator_infix("<", "lt", -1, 1);
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ab.add_operator_infix("<=", "lte", -1, 1);
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ab.add_operator_infix("==", "equals", -1, 1);
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ab.add_operator_infix(">", "gt", -1, 1);
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ab.add_operator_infix(">=", "gte", -1, 1);
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ab.add_operator_infix("+", "plus", -1, 2);
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ab.add_operator_infix("-", "minus", -1, 2);
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ab.add_operator_infix("*", "times", -1, 3);
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ab.add_operator_infix("/", "divide", -1, 3);
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ab.add_operator_infix("^", "pow", 1, 3);
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ab.add_operator_prefix("-", "negate");
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ab.add_operator_postfix("!", "factorial");
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while(!close_requested) {
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char* data = readline(" > ");
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std::string buffer(data);
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add_history(data);
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free(data);
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ref value = ab.run(buffer);
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if(value == nullptr) {
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std::cout << "Invalid expression." << std::endl;
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} else {
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std::string name = "r" + std::to_string(index);
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std::string ans = "ans";
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ab.add_variable(name, value);
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ab.add_variable(ans, value);
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index++;
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std::cout << name << " = " << ab.to_string(value) << std::endl;
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}
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}
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}
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