A minimalistic programming language written in C89.
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#pragma once
#include "stddef.h"
#define INK_INTEGER 0
#define INK_NATIVE_FUNCTION 1
#define INK_FUNCTION 2
#define INK_ROUTINE_CAN_REUSE 32
#define INK_ROUTINE_SUCCESS 1
struct elem {
int type;
int value;
};
struct stack_frame {
struct elem executing;
int index;
};
struct fn {
char* name;
struct elem* things;
int size;
};
struct context;
struct native_fn {
char* name;
void(*value)(struct context*);
};
struct ink_routine {
int panic;
struct elem* stack;
int capacity;
int top;
struct stack_frame* function_stack;
int function_stack_capacity;
int function_stack_top;
void* routine_userdata;
};
struct context {
int panic;
void*(*malloc)(size_t);
void*(*realloc)(void*, size_t);
void(*free)(void*);
int(*putchar)(int);
struct ink_routine* routines;
int routines_capacity;
int routines_top;
int routine_current;
struct native_fn* native_words;
int native_words_capacity;
int native_words_top;
struct fn* words;
int words_capacity;
int words_top;
char** lex_reserved_words;
int lex_reserved_words_capacity;
int lex_reserved_words_top;
unsigned int steps;
void* persistent_userdata;
};
int ink_make_routine(struct context* ctx);
int ink_kill_routine(struct context* ctx, int routine);
int ink_add_native(struct context* ctx, const char* name, void(*value)(struct context*));
int ink_push(struct context* ctx, struct elem value);
int ink_push_fn(struct context* ctx, struct stack_frame value);
struct context* ink_make_context(void*(*malloc)(size_t), void*(*realloc)(void*, size_t), void(*free)(void*), int(*putchar)(int));
#ifndef NOSTDLIB
struct context* ink_make_default_context();
#endif
int ink_step(struct context *pContext);
int ink_can_run(struct context *pContext);
int ink_step_everyone(struct context* pContext);
void ink_compile(struct context *pContext, char* buffer);
int ink_std_library(struct context* ctx);
void ink_pop_fn(struct context* ctx);
void ink_pop(struct context* ctx);