diff options
Diffstat (limited to 'source/state.hpp')
| -rw-r--r-- | source/state.hpp | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/source/state.hpp b/source/state.hpp index 17d8e69..8bdc5dc 100644 --- a/source/state.hpp +++ b/source/state.hpp @@ -42,10 +42,15 @@ extern std::array<Cell, DictSize> DICT; extern Cell& HERE; /** Linked to HERE's storage in DICT. */ extern Cell& LATEST; /** Linked to LATEST's storage in DICT. */ extern Cell& STATE; /** Linked to STATE's storage in DICT. */ +extern FuncList IP; /** Instruction pointer */ -extern Cell *SP; /** Data stack pointer */ -extern Cell *RP; /** Return stack pointer */ -extern FuncList IP; /** Instruction pointer */ +void push(Cell); +[[nodiscard]] Cell pop(); +[[nodiscard]] Cell *sp(); + +void rpush(Cell); +[[nodiscard]] Cell rpop(); +[[nodiscard]] Cell *rp(); /** * Initializes the dictionary to default values. @@ -63,13 +68,15 @@ inline void initialize(const auto& wordset) * Begins execution with the given function pointer list. * @param list Function pointer list to execute */ -void executor(FuncList *list); +[[nodiscard]] +Error executor(FuncList *list); /** * Executes the given word by calling executor on its definition. * @param word The word to execute */ -void execute1(Word *word); +[[nodiscard]] +Error execute1(Word *word); /** * Looks up the definition of the given word. |