adding comments and some newlines (#294)

* adding comments and some newlines * Update executable_semantics/interpreter/typecheck.cpp Co-authored-by: Jon Meow <46229924+jonmeow@users.noreply.github.com> * Update executable_semantics/interpreter/typecheck.cpp Co-authored-by: Jon Meow <46229924+jonmeow@users.noreply.github.com> * Update executable_semantics/interpreter/typecheck.cpp Co-authored-by: Jon Meow <46229924+jonmeow@users.noreply.github.com> * Update executable_semantics/interpreter/typecheck.cpp Co-authored-by: Jon Meow <46229924+jonmeow@users.noreply.github.com> * Update executable_semantics/interpreter/typecheck.cpp Co-authored-by: Jon Meow <46229924+jonmeow@users.noreply.github.com> * changed comment style * Update executable_semantics/interpreter/typecheck.cpp Co-authored-by: Jon Meow <46229924+jonmeow@users.noreply.github.com> * Update executable_semantics/interpreter/typecheck.cpp Co-authored-by: Jon Meow <46229924+jonmeow@users.noreply.github.com> Co-authored-by: Jon Meow <46229924+jonmeow@users.noreply.github.com>
2026-10-05 13:11:05 +01:00 · 2021-02-25 17:57:00 -05:00
parent 23009d3b06
commit a93ec369cb
4 changed files with 49 additions and 2 deletions
@@ -28,37 +28,47 @@ enum class StatementKind {
 struct Statement {
  int line_num;
  StatementKind tag;
+
  union {
    Expression* exp;
+
    struct {
      Expression* lhs;
      Expression* rhs;
    } assign;
+
    struct {
      Expression* pat;
      Expression* init;
    } variable_definition;
+
    struct {
      Expression* cond;
      Statement* then_stmt;
      Statement* else_stmt;
    } if_stmt;
+
    Expression* return_stmt;
+
    struct {
      Statement* stmt;
      Statement* next;
    } sequence;
+
    struct {
      Statement* stmt;
    } block;
+
    struct {
      Expression* cond;
      Statement* body;
    } while_stmt;
+
    struct {
      Expression* exp;
      std::list<std::pair<Expression*, Statement*>>* clauses;
    } match_stmt;
+
  } u;
 };