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95 lines
3.8 KiB
C++
95 lines
3.8 KiB
C++
#include <algorithm>
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#include <iostream>
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#include <string>
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#include "core.hpp"
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#include "parse.hpp"
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#include "state.hpp"
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#include "types.hpp"
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// TODO:
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// sys m* _/ _% _' depth _rdepth _in _ev find _uma u< um/mod
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static void peek() { *SP = *(Cell *)(*SP); }
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static void commaSP() { comma(*SP--); }
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static void push(Cell value) { *++SP = value; }
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static void pop() { --SP; }
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static void tobool() { if (*SP) *SP = -1; }
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constinit WordSet words (
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Word("[", WordWrap<[] { STATE = 0; }>()).markImmediate(),
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Word("]", WordWrap<[] { STATE = -1; }>()),
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Word("@", WordWrap<peek>()),
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Word("c@", WordWrap<peek, [] { *SP &= 0xFF; }>()),
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Word("!", WordWrap<[] { auto a = (Cell *)*SP--; *a = *SP--; }>()),
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Word("c!", WordWrap<[] { auto a = (char *)*SP--; *a = *SP--; }>()),
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Word("_d", WordWrap<[] { *SP += (Cell)DICT.data(); }>()),
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Word("_jmp", WordWrap<[] { jump((FuncList)*++IP); }>()),
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Word("_jmp0", WordWrap<[] {
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++IP;
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if (*SP-- == 0)
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jump((FuncList)*IP);
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}>()),
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Word(",", WordWrap<commaSP>()),
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Word("emit", WordWrap<[] { std::putchar(*SP); }, pop>()),
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Word("key", WordWrap<[] { push(key()); }>()),
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Word("key?", WordWrap<[] { push(haskey()); }, tobool>()),
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Word("execute", WordWrap<[] { executor((FuncList *)*SP--); }>()),
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Word(":", WordWrap<colon>()),
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Word(";", WordWrap<semic>()).markImmediate(),
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Word("exit", fexit),
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Word("drop", WordWrap<pop>()),
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Word("dup", WordWrap<[] { push(*SP); }>()),
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Word("swap", WordWrap<[] { std::swap(*SP, *(SP - 1)); }>()),
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Word("pick", WordWrap<[] { auto t = *(SP - *SP - 1); *SP = t; }>()),
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Word("cells", WordWrap<[] { *SP *= sizeof(Cell); }>()),
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Word("+", WordWrap<[] { *(SP - 1) += *SP; }, pop>()),
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Word("-", WordWrap<[] { *(SP - 1) -= *SP; }, pop>()),
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Word("*", WordWrap<[] { *(SP - 1) *= *SP; }, pop>()),
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Word("/", WordWrap<[] { *(SP - 1) /= *SP; }, pop>()),
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Word("mod", WordWrap<[] { *(SP - 1) %= *SP; }, pop>()),
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Word("=", WordWrap<[] { *(SP - 1) = *(SP - 1) == *SP; }, pop, tobool>()),
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Word("<", WordWrap<[] { *(SP - 1) = *(SP - 1) < *SP; }, pop, tobool>()),
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Word("or", WordWrap<[] { *(SP - 1) |= *SP; }, pop>()),
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Word("and", WordWrap<[] { *(SP - 1) &= *SP; }, pop>()),
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Word("xor", WordWrap<[] { *(SP - 1) ^= *SP; }, pop>()),
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Word("lshift", WordWrap<[] { *(SP - 1) <<= *SP; }, pop>()),
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Word("rshift", WordWrap<[] { *(SP - 1) >>= *SP; }, pop>()),
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Word(">r", WordWrap<[] { *++RP = *SP; }, pop>()),
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Word("r>", WordWrap<[] { push(*RP--); }>()),
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Word("immediate", WordWrap<[] { ((Word *)LATEST)->markImmediate(); }>()),
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Word("aligned", WordWrap<[] { *SP = aligned(*SP); }>()),
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Word("align", WordWrap<align>()),
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Word("literal", WordWrap<[] { if (STATE) compileliteral(); }>()).markImmediate(),
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Word("\'", WordWrap<tick>()),
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Word("_i", WordWrap<[] { *SP = ((Word *)*SP)->immediate(); }, tobool>()),
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Word("[']", WordWrap<tick, compileliteral>()).markImmediate(),
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Word("compile,", WordWrap<peek, commaSP>()),
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Word("word", WordWrap<word>()),
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Word("_b", WordWrap<[] {
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std::putchar('#'); // Gives a good breakpoint spot for gdb
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}>()),
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Word(".", WordWrap<[] { std::cout << *SP << ' '; }, pop>())
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);
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void getinput()
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{
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std::string line;
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if (std::cin.good()) {
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std::getline(std::cin, line);
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std::for_each(line.rbegin(), line.rend(), addkey);
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}
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}
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int main()
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{
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initialize(words);
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while (std::cin.good()) {
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parse();
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std::cout << (STATE ? "compiled" : "ok") << std::endl;
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}
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}
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