dsp-asm/ast_printer.cpp
Zack Buhman ddf46ce8fd stmt_ins: refactor
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.
2023-09-03 04:46:34 +00:00

334 lines
7.6 KiB
C++

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