The overall intent is to make writing a decompiler require less code duplication. "bits.hpp" and "stmt_enum.hpp" are replaced with "stmt_ins.hpp" which is generated directly from dsp-notes.csv.
334 lines
7.6 KiB
C++
334 lines
7.6 KiB
C++
#include "ast_printer.hpp"
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#include "stmt_string.hpp"
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#include "control_word.hpp"
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namespace dsp {
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namespace ast {
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void printer_t::visit(const binary_t * binary) const
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{
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parenthesize((binary->oper).lexeme, binary->left, binary->right);
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}
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void printer_t::visit(const grouping_t * grouping) const
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{
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parenthesize("grouping", grouping->expr);
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}
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void printer_t::visit(const identifier_t * identifier) const
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{
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parenthesize("identifier", identifier->name.lexeme);
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}
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void printer_t::visit(const literal_t * literal) const
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{
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os << std::to_string(literal->value);
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}
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void printer_t::visit(const unary_t * unary) const
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{
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parenthesize((unary->oper).lexeme, unary->right);
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}
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void printer_t::parenthesize(const std::string_view s, const expr_t * a) const
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{
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os << '(' << s << ' ';
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a->accept(this);
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os << ')';
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}
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void printer_t::parenthesize(const std::string_view s1, const std::string_view s2, const expr_t * a) const
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{
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os << '(' << s1 << ' ' << s2 << ' ';
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a->accept(this);
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os << ')';
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}
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void printer_t::parenthesize(const std::string_view s1, const std::string_view s2, const std::string_view s3, const expr_t * a) const
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{
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os << '(' << s1 << ' ' << s2 << ' ' << s3 << ' ';
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a->accept(this);
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os << ')';
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}
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void printer_t::parenthesize(const std::string_view s1, const expr_t * a, const std::string_view s2) const
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{
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os << '(' << s1 << ' ';
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a->accept(this);
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os << ' ' << s2 << ')';
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}
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void printer_t::parenthesize(const std::string_view s1, const expr_t * a, const std::string_view s2, const std::string_view s3) const
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{
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os << '(' << s1 << ' ';
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a->accept(this);
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os << ' ' << s2 << ' ' << s3 << ')';
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}
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void printer_t::parenthesize(const std::string_view s) const
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{
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os << '(' << s << ')';
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}
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void printer_t::parenthesize(const std::string_view s1, const std::string_view s2) const
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{
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os << '(' << s1 << ' ' << s2 << ')';
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}
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void printer_t::parenthesize(const std::string_view s1, const std::string_view s2, const std::string_view s3) const
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{
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os << '(' << s1 << ' ' << s2 << ' ' << s3 << ')';
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}
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void printer_t::parenthesize(const std::string_view s1, const std::string_view s2, const std::string_view s3, const std::string_view s4) const
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{
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os << '(' << s1 << ' ' << s2 << ' ' << s3 << ' ' << s4 << ')';
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}
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void printer_t::parenthesize(const std::string_view s, const expr_t * a, const expr_t * b) const
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{
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os << '(' << s << ' ';
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a->accept(this);
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os << ' ';
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b->accept(this);
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os << ')';
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}
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// instructions
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void printer_t::visit(const op::andl_t * andl) const
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{
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(void)andl;
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parenthesize("andl");
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}
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void printer_t::visit(const op::orl_t * orl) const
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{
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(void)orl;
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parenthesize("orl");
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}
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void printer_t::visit(const op::xorl_t * xorl) const
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{
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(void)xorl;
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parenthesize("xorl");
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}
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void printer_t::visit(const op::add_t * add) const
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{
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(void)add;
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parenthesize("add");
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}
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void printer_t::visit(const op::sub_t * sub) const
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{
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(void)sub;
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parenthesize("sub");
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}
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void printer_t::visit(const op::ad2_t * ad2) const
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{
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(void)ad2;
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parenthesize("ad2");
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}
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void printer_t::visit(const op::sr_t * sr) const
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{
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(void)sr;
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parenthesize("sr");
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}
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void printer_t::visit(const op::rr_t * rr) const
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{
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(void)rr;
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parenthesize("rr");
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}
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void printer_t::visit(const op::sl_t * sl) const
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{
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(void)sl;
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parenthesize("sl");
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}
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void printer_t::visit(const op::rl_t * rl) const
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{
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(void)rl;
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parenthesize("rl");
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}
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void printer_t::visit(const op::rl8_t * rl8) const
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{
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(void)rl8;
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parenthesize("rl8");
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}
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void printer_t::visit(const op::mov_ram_x_t * mov_ram_x) const
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{
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parenthesize("mov", op::x_src_string[static_cast<int>(mov_ram_x->src.value)], "x");
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}
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void printer_t::visit(const op::mov_mul_p_t * mov_mul_p) const
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{
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(void)mov_mul_p;
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parenthesize("mov mul p");
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}
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void printer_t::visit(const op::mov_ram_p_t * mov_ram_p) const
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{
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parenthesize("mov", op::x_src_string[static_cast<int>(mov_ram_p->src.value)], "p");
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}
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void printer_t::visit(const op::mov_ram_y_t * mov_ram_y) const
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{
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parenthesize("mov", op::y_src_string[static_cast<int>(mov_ram_y->src.value)], "y");
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}
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void printer_t::visit(const op::clr_a_t * clr_a) const
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{
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(void)clr_a;
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parenthesize("clr a");
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}
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void printer_t::visit(const op::mov_alu_a_t * mov_alu_a) const
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{
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(void)mov_alu_a;
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parenthesize("mov alu a");
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}
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void printer_t::visit(const op::mov_ram_a_t * mov_ram_a) const
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{
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parenthesize("mov", op::y_src_string[static_cast<int>(mov_ram_a->src.value)], "a");
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}
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void printer_t::visit(const op::mov_imm_d1_t * mov_imm_d1) const
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{
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parenthesize("mov",
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mov_imm_d1->imm.expr,
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op::d1_dst_string[static_cast<int>(mov_imm_d1->dst.value)]);
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}
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void printer_t::visit(const op::mov_ram_d1_t * mov_ram_d1) const
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{
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parenthesize("mov",
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op::d1_src_string[static_cast<int>(mov_ram_d1->src.value)],
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op::d1_dst_string[static_cast<int>(mov_ram_d1->dst.value)]);
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}
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void printer_t::visit(const op::control_word_t * control_word) const
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{
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os << "(control_word ";
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for (const auto& op : control_word->ops) {
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std::visit([*this](auto&& arg){ (arg).accept(this); }, op);
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os << ' ';
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}
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os << ')';
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}
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void printer_t::visit(const load::mvi_t * mvi) const
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{
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parenthesize("mvi", mvi->imm.expr, load::dst_string[static_cast<int>(mvi->dst.value)]);
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}
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void printer_t::visit(const load::mvi_cond_t * mvi_cond) const
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{
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parenthesize("mvi",
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mvi_cond->imm.expr,
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load::dst_string[static_cast<int>(mvi_cond->dst.value)],
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load::cond_string[static_cast<int>(mvi_cond->cond.value)]);
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}
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static std::string dma_hold_add(dma::hold_t hold, dma::add_t add)
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{
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return dma::hold_mode_string[static_cast<int>(hold.value)]
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+ dma::add_mode_string[static_cast<int>(add.value)];
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}
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void printer_t::visit(const dma::src_d0_imm_t * src_d0_imm) const
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{
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parenthesize(dma_hold_add(src_d0_imm->hold, src_d0_imm->add),
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dma::src_string[static_cast<int>(src_d0_imm->src.value)],
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"d0",
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src_d0_imm->imm.expr);
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}
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void printer_t::visit(const dma::d0_dst_imm_t * d0_dst_imm) const
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{
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parenthesize(dma_hold_add(d0_dst_imm->hold, d0_dst_imm->add),
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"d0",
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dma::dst_string[static_cast<int>(d0_dst_imm->dst.value)],
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d0_dst_imm->imm.expr);
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}
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void printer_t::visit(const dma::src_d0_ram_t * src_d0_ram) const
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{
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parenthesize(dma_hold_add(src_d0_ram->hold, src_d0_ram->add),
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dma::src_string[static_cast<int>(src_d0_ram->src.value)],
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"d0",
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dma::length_ram_string[static_cast<int>(src_d0_ram->ram.value)]);
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}
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void printer_t::visit(const dma::d0_dst_ram_t * d0_dst_ram) const
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{
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parenthesize(dma_hold_add(d0_dst_ram->hold, d0_dst_ram->add),
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"d0",
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dma::dst_string[static_cast<int>(d0_dst_ram->dst.value)],
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dma::length_ram_string[static_cast<int>(d0_dst_ram->ram.value)]);
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}
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void printer_t::visit(const jump::jmp_t * jmp) const
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{
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parenthesize("jmp", jmp->imm.expr);
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}
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void printer_t::visit(const jump::jmp_cond_t * jmp_cond) const
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{
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parenthesize("jmp",
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jump::cond_string[static_cast<int>(jmp_cond->cond.value)],
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jmp_cond->imm.expr);
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}
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void printer_t::visit(const loop::btm_t * btm) const
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{
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(void)btm;
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parenthesize("btm");
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}
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void printer_t::visit(const loop::lps_t * lps) const
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{
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(void)lps;
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parenthesize("lps");
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}
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void printer_t::visit(const end::end_t * end) const
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{
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(void)end;
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parenthesize("end");
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}
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void printer_t::visit(const end::endi_t * endi) const
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{
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(void)endi;
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parenthesize("endi");
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}
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void printer_t::visit(const nop::nop_t * nop) const
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{
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(void)nop;
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parenthesize("nop");
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}
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void printer_t::visit(const assign_t * assign) const
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{
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parenthesize("assign", assign->name.lexeme, assign->value);
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}
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void printer_t::visit(const label_t * label) const
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{
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parenthesize("label", label->name.lexeme);
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}
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}
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}
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