stmt: add constructor boilerplate

stmt.hpp

@@ -4,16 +4,23 @@
 
 namespace dsp {
 
-/*
-struct assign_t : stmt_accept_t<assign_t>
+struct stmt_t
 {
-  assign_t(token_t name, expr_t * value)
-    : name(name), value(value) {}
-
-  const token_t name;
-  const expr_t * value;
+  virtual void accept(visitor_t<void> const * visitor) const = 0;
+  virtual std::string accept(visitor_t<std::string> const * visitor) const = 0;
+};
+
+template <typename T>
+struct stmt_accept_t : stmt_t {
+    virtual void accept(visitor_t<void> const * visitor) const {
+      return visitor->visit(static_cast<const T*>(this));
+    }
+
+    virtual std::string accept(visitor_t<std::string> const * visitor) const
+    {
+      return visitor->visit(static_cast<const T*>(this));
+    }
 };
-*/
 
 template <bool S, int N>
 struct imm_t {
@@ -45,7 +52,11 @@ enum alu_type_t {
   rl8,
 };
 
-struct alu_t {
+struct alu_t : stmt_accept_t<alu_t>
+{
+  alu_t(alu_type_t type)
+    : type(type) {}
+
   const alu_type_t type;
 };
 
@@ -54,31 +65,54 @@ enum struct xy_src_t {
   m0 , m1 , m2 ,  m3,
 };
 
-struct op_t {
+struct op_t : stmt_accept_t<op_t>
+{
 };
 
-struct mov_ram_x_t : op_t {
+struct mov_ram_x_t : virtual op_t
+{
+  mov_ram_x_t(xy_src_t src)
+    : src(src) {}
+
   const xy_src_t src;
 };
 
-struct mov_mul_p_t : op_t {
+struct mov_mul_p_t : op_t
+{
+  mov_mul_p_t() {}
 };
 
-struct mov_ram_p_t : op_t {
+struct mov_ram_p_t : op_t
+{
+  mov_ram_p_t(xy_src_t src)
+    : src(src) {}
+
   const xy_src_t src;
 };
 
-struct mov_ram_y_t : op_t {
+struct mov_ram_y_t : op_t
+{
+  mov_ram_y_t(xy_src_t src)
+    : src(src) {}
+
   const xy_src_t src;
 };
 
-struct clr_a_t : op_t {
+struct clr_a_t : op_t
+{
+  clr_a_t() {}
 };
 
-struct mov_alu_a_t : op_t {
+struct mov_alu_a_t : op_t
+{
+  mov_alu_a_t() {}
 };
 
-struct mov_ram_a_t : op_t {
+struct mov_ram_a_t : op_t
+{
+  mov_ram_a_t(xy_src_t src)
+    : src(src) {}
+
   const xy_src_t src;
 };
 
@@ -94,17 +128,29 @@ enum struct d1_src_t {
   m0 , m1 , m2 , m3 ,
 };
 
-struct mov_imm_d1 : op_t {
+struct mov_imm_d1 : op_t
+{
+  mov_imm_d1(simm_t<8> imm, d1_dest_t dest)
+    : imm(imm), dest(dest) {}
+
   const simm_t<8> imm;
   const d1_dest_t dest;
 };
 
-struct mov_ram_d1 : op_t {
+struct mov_ram_d1 : op_t
+{
+  mov_ram_d1(d1_src_t src, d1_dest_t dest)
+    : src(src), dest(dest) {}
+
   const d1_src_t src;
   const d1_dest_t dest;
 };
 
-struct instruction_t {
+struct instruction_t : stmt_accept_t<instruction_t>
+{
+  instruction_t(std::vector<op_t *> ops)
+    : ops(ops) {}
+
   const std::vector<op_t *> ops;
 };
 
@@ -127,11 +173,19 @@ enum struct cond_t {
   zs, nzs,
 };
 
-struct mvi_t {
+struct mvi_t : stmt_accept_t<mvi_t>
+{
+  mvi_t(uimm_t<25> imm)
+    : imm(imm) {}
+
   const uimm_t<25> imm;
 };
 
-struct mvi_cond_t {
+struct mvi_cond_t : stmt_accept_t<mvi_cond_t>
+{
+  mvi_cond_t(uimm_t<19> imm)
+    : imm(imm) {}
+
   const uimm_t<19> imm;
 };
 
@@ -159,30 +213,46 @@ enum struct egress_t {
   prg,
 };
 
-struct ingress_imm_t {
+struct ingress_imm_t : stmt_accept_t<ingress_imm_t>
+{
+  ingress_imm_t(bool hold, ingress_t ingress, simm_t<8> imm)
+    : hold(hold), ingress(ingress), imm(imm) {}
+
   const bool hold;
   const ingress_t ingress;
   const simm_t<8> imm;
 };
 
-struct egress_imm_t {
+struct egress_imm_t : stmt_accept_t<egress_imm_t>
+{
+  egress_imm_t(bool hold, egress_t egress, simm_t<8> imm)
+    : hold(hold), egress(egress), imm(imm) {}
+
   const bool hold;
   const egress_t egress;
   const simm_t<8> imm;
 };
 
 enum struct length_ram_t {
-  m0, m1, m2, m3,
+  m0 , m1 , m2 , m3 ,
   mc0, mc1, mc2, mc3,
 };
 
-struct ingress_ram_t {
+struct ingress_ram_t : stmt_accept_t<ingress_ram_t>
+{
+  ingress_ram_t(bool hold, ingress_t ingress, length_ram_t ram)
+    : hold(hold), ingress(ingress), ram(ram) {}
+
   const bool hold;
   const ingress_t ingress;
   const length_ram_t ram;
 };
 
-struct egress_ram_t {
+struct egress_ram_t : stmt_accept_t<egress_ram_t>
+{
+  egress_ram_t(bool hold, egress_t egress, length_ram_t ram)
+    : hold(hold), egress(egress), ram(ram) {}
+
   const bool hold;
   const egress_t egress;
   const length_ram_t ram;
@@ -201,35 +271,58 @@ enum struct cond_t {
   zs, nzs,
 };
 
-struct jmp_t {
-  uimm_t<8> imm;
+struct jmp_t : stmt_accept_t<jmp_t>
+{
+  jmp_t(uimm_t<8> imm)
+    : imm(imm) {}
+
+  const uimm_t<8> imm;
 };
 
-struct jmp_cond_t {
-  uimm_t<8> imm;
-  cond_t cond;
+struct jmp_cond_t : stmt_accept_t<jmp_cond_t>
+{
+  jmp_cond_t(uimm_t<8> imm, cond_t cond)
+    : imm(imm), cond(cond) {}
+
+  const uimm_t<8> imm;
+  const cond_t cond;
 };
 
 } // jump
 
 namespace loop {
 
-struct btm_t {
+struct btm_t : stmt_accept_t<btm_t>
+{
 };
 
-struct lps_t {
+struct lps_t : stmt_accept_t<lps_t>
+{
 };
 
 } // loop
 
 namespace end {
 
-struct end_t {
+struct end_t : stmt_accept_t<end_t>
+{
 };
 
-struct endi_t {
+struct endi_t : stmt_accept_t<endi_t>
+{
 };
 
-} // loop
+} // end
+
+/*
+struct assign_t : stmt_accept_t<assign_t>
+{
+  assign_t(token_t name, expr_t * value)
+    : name(name), value(value) {}
+
+  const token_t name;
+  const expr_t * value;
+};
+*/
 
 } // dsp