mirror of https://github.com/janet-lang/janet
Fix gitignore
This commit is contained in:
Calvin Rose
parent
ac50f6232e
commit
a0d3600ac0
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@ -1,5 +1,5 @@
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# Target
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gst
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/client/gst
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# Tags
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tags
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@ -0,0 +1,35 @@
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#ifndef COMPILE_H_9VXF71HY
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#define COMPILE_H_9VXF71HY
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#include <gst/gst.h>
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#include <setjmp.h>
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typedef struct GstCompiler GstCompiler;
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typedef struct GstScope GstScope;
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/* Compilation state */
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struct GstCompiler {
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Gst *vm;
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const char *error;
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jmp_buf onError;
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GstScope *tail;
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GstArray *env;
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GstBuffer *buffer;
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};
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/* Initialize the Compiler */
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void gst_compiler(GstCompiler *c, Gst *vm);
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/* Register an environment for compilation */
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void gst_compiler_env(GstCompiler *c, GstValue env);
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/* Register a global for the compilation environment. */
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void gst_compiler_add_global(GstCompiler *c, const char *name, GstValue x);
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/* Register a global c function for the compilation environment. */
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void gst_compiler_add_global_cfunction(GstCompiler *c, const char *name, GstCFunction f);
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/* Compile a function that evaluates the given form. */
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GstFunction *gst_compiler_compile(GstCompiler *c, GstValue form);
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#endif /* end of include guard: COMPILE_H_9VXF71HY */
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@ -0,0 +1,17 @@
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#ifndef disasm_h_INCLUDED
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#define disasm_h_INCLUDED
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#include <gst/gst.h>
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#include <stdio.h>
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/* Print disassembly for a given funciton */
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void gst_dasm(FILE * out, uint16_t * byteCode, uint32_t len);
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/* Print the disassembly for a function definition */
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void gst_dasm_funcdef(FILE * out, GstFuncDef * def);
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/* Print the disassembly for a function */
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void gst_dasm_function(FILE * out, GstFunction * f);
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#endif // disasm_h_INCLUDED
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@ -0,0 +1,473 @@
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#ifndef GST_H_defined
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#define GST_H_defined
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#include <stdint.h>
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/* String utils */
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#define gst_string_raw(s) ((uint32_t *)(s) - 2)
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#define gst_string_length(s) (gst_string_raw(s)[0])
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#define gst_string_hash(s) (gst_string_raw(s)[1])
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/* Tuple utils */
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#define gst_tuple_raw(t) ((uint32_t *)(t) - 2)
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#define gst_tuple_length(t) (gst_tuple_raw(t)[0])
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#define gst_tuple_hash(t) (gst_tuple_raw(t)[1])
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/* Memcpy for moving memory */
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#ifndef gst_memcpy
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#include <string.h>
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#define gst_memcpy memcpy
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#endif
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/* Allocation */
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#ifndef gst_raw_alloc
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#include <stdlib.h>
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#define gst_raw_alloc malloc
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#endif
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/* Zero allocation */
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#ifndef gst_raw_calloc
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#include <stdlib.h>
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#define gst_raw_calloc calloc
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#endif
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/* Realloc */
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#ifndef gst_raw_realloc
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#include <stdlib.h>
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#define gst_raw_realloc realloc
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#endif
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/* Free */
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#ifndef gst_raw_free
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#include <stdlib.h>
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#define gst_raw_free free
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#endif
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/* Null */
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#ifndef NULL
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#define NULL ((void *)0)
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#endif
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/* Stack frame manipulation */
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/* Size of stack frame in number of values */
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#define GST_FRAME_SIZE 5
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/* Macros for referencing a stack frame given a stack */
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#define gst_frame_callee(s) (*(s - 1))
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#define gst_frame_size(s) ((s - 2)->data.hws[0])
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#define gst_frame_prevsize(s) ((s - 2)->data.hws[1])
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#define gst_frame_errloc(s) ((s - 2)->data.hws[2])
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#define gst_frame_ret(s) ((s - 2)->data.hws[3])
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#define gst_frame_pc(s) ((s - 3)->data.u16p)
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#define gst_frame_errjmp(s) ((s - 4)->data.u16p)
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#define gst_frame_env(s) ((s - 5)->data.env)
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/* C function helpers */
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/* Return in a c function */
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#define gst_c_return(vm, x) do { (vm)->ret = (x); return GST_RETURN_OK; } while (0)
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/* Throw error from a c function */
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#define gst_c_throw(vm, e) do { (vm)->ret = (e); return GST_RETURN_ERROR; } while (0)
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/* Throw c string error from a c function */
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#define gst_c_throwc(vm, e) gst_c_throw((vm), gst_load_cstring((vm), (e)))
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/* Assert from a c function */
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#define gst_c_assert(vm, cond, e) do {if (cond) gst_c_throw((vm), (e)); } while (0)
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/* What to do when out of memory */
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#ifndef GST_OUT_OF_MEMORY
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#include <stdlib.h>
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#include <stdio.h>
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#define GST_OUT_OF_MEMORY do { printf("out of memory.\n"); exit(1); } while (0)
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#endif
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/* Max search depth for classes. */
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#define GST_MAX_SEARCH_DEPTH 128
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/* Various types */
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typedef enum GstType {
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GST_NIL = 0,
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GST_NUMBER,
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GST_BOOLEAN,
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GST_STRING,
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GST_SYMBOL,
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GST_ARRAY,
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GST_TUPLE,
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GST_THREAD,
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GST_BYTEBUFFER,
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GST_FUNCTION,
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GST_CFUNCTION,
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GST_OBJECT,
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GST_USERDATA,
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GST_FUNCENV,
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GST_FUNCDEF
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} GstType;
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/* The state of the virtual machine */
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typedef struct Gst Gst;
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/* A general gst value type */
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typedef struct GstValue GstValue;
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/* All of the gst types */
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typedef double GstNumber;
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typedef uint8_t GstBoolean;
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typedef struct GstFunction GstFunction;
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typedef struct GstArray GstArray;
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typedef struct GstBuffer GstBuffer;
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typedef struct GstObject GstObject;
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typedef struct GstThread GstThread;
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typedef int (*GstCFunction)(Gst * vm);
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/* Implementation details */
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typedef struct GstUserdataHeader GstUserdataHeader;
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typedef struct GstFuncDef GstFuncDef;
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typedef struct GstFuncEnv GstFuncEnv;
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/* Definitely implementation details */
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typedef struct GstBucket GstBucket;
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/* The general gst value type. Contains a large union and
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* the type information of the value */
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struct GstValue {
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GstType type;
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union {
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GstBoolean boolean;
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GstNumber number;
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GstArray *array;
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GstBuffer *buffer;
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GstObject *object;
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GstThread *thread;
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GstValue *tuple;
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GstCFunction cfunction;
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GstFunction *function;
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GstFuncEnv *env;
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GstFuncDef *def;
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const uint8_t *string;
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const char *cstring; /* Alias for ease of use from c */
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/* Indirectly used union members */
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uint16_t *u16p;
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uint16_t hws[4];
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uint8_t bytes[8];
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void *pointer;
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} data;
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};
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/* A lightweight thread in gst. Does not correspond to
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* operating system threads. Used in coroutines. */
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struct GstThread {
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uint32_t count;
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uint32_t capacity;
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GstValue *data;
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enum {
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GST_THREAD_PENDING = 0,
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GST_THREAD_ALIVE,
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GST_THREAD_DEAD
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} status;
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};
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/* A dynamic array type. Useful for implementing a stack. */
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struct GstArray {
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uint32_t count;
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uint32_t capacity;
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GstValue *data;
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};
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/* A bytebuffer type. Used as a mutable string or string builder. */
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struct GstBuffer {
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uint32_t count;
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uint32_t capacity;
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uint8_t *data;
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};
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/* The main Gst type, an obect. Objects are just hashtables with some meta
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* information attached in the meta value */
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struct GstObject {
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uint32_t count;
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uint32_t capacity;
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GstBucket **buckets;
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GstObject *meta;
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};
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/* Some function defintion flags */
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#define GST_FUNCDEF_FLAG_VARARG 1
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/* A function definition. Contains information need to instatiate closures. */
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struct GstFuncDef {
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uint32_t locals;
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uint32_t arity; /* Not including varargs */
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uint32_t literalsLen;
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uint32_t byteCodeLen;
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uint32_t flags;
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GstValue *literals; /* Contains strings, FuncDefs, etc. */
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uint16_t *byteCode;
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};
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/* A fuction environment */
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struct GstFuncEnv {
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GstThread *thread; /* When nil, index the local values */
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uint32_t stackOffset; /* Used as environment size when off stack */
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GstValue *values;
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};
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/* A function */
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struct GstFunction {
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GstFuncDef *def;
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GstFuncEnv *env;
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GstFunction *parent;
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};
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/* A hash table bucket in an object */
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struct GstBucket {
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GstValue key;
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GstValue value;
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GstBucket *next;
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};
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/* Contains information about userdata */
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struct GstUserdataHeader {
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uint32_t size;
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GstObject *meta;
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};
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/* VM return status from c function */
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#define GST_RETURN_OK 0
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#define GST_RETURN_ERROR 1
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#define GST_RETURN_CRASH 2
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#define GST_RETURN_YIELD 3
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/* The VM state */
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struct Gst {
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/* Garbage collection */
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void *blocks;
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uint32_t memoryInterval;
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uint32_t nextCollection;
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uint32_t black : 1;
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/* String cache */
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const uint8_t **strings;
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uint32_t stringsCapacity;
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uint32_t stringsCount;
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uint32_t stringsDeleted;
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/* Thread */
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GstThread *thread;
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/* A GC root */
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GstValue rootenv;
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/* Return state */
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const char *crash;
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uint32_t scratchFlags;
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GstValue ret; /* Returned value from gst_start. Also holds errors. */
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};
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/* Bytecode */
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enum GstOpCode {
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GST_OP_ADD = 0, /* Addition */
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GST_OP_SUB, /* Subtraction */
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GST_OP_MUL, /* Multiplication */
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GST_OP_DIV, /* Division */
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GST_OP_MOD, /* Modulo division */
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GST_OP_IDV, /* Integer division */
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GST_OP_EXP, /* Exponentiation */
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GST_OP_CCT, /* Concatenation */
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GST_OP_NOT, /* Boolean invert */
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GST_OP_NEG, /* Unary negation */
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GST_OP_INV, /* Unary multiplicative inverse */
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GST_OP_LEN, /* Length */
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GST_OP_TYP, /* Type */
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GST_OP_FLS, /* Load false */
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GST_OP_TRU, /* Load true */
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GST_OP_NIL, /* Load nil */
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GST_OP_I16, /* Load 16 bit signed integer */
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GST_OP_UPV, /* Load upvalue */
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GST_OP_JIF, /* Jump if */
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GST_OP_JMP, /* Jump */
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GST_OP_SUV, /* Set upvalue */
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GST_OP_CST, /* Load constant */
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GST_OP_I32, /* Load 32 bit signed integer */
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GST_OP_F64, /* Load 64 bit IEEE double */
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GST_OP_MOV, /* Move value */
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GST_OP_CLN, /* Create a closure */
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GST_OP_EQL, /* Check equality */
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GST_OP_LTN, /* Check less than */
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GST_OP_LTE, /* Check less than or equal to */
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GST_OP_ARR, /* Create array */
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GST_OP_DIC, /* Create object */
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GST_OP_TUP, /* Create tuple */
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GST_OP_SET, /* Assocaitive set */
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GST_OP_GET, /* Associative get */
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GST_OP_ERR, /* Throw error */
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GST_OP_TRY, /* Begin try block */
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GST_OP_UTY, /* End try block */
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GST_OP_RET, /* Return from function */
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GST_OP_RTN, /* Return nil */
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GST_OP_CAL, /* Call function */
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GST_OP_TCL /* Tail call */
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};
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/****/
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/* Buffer functions */
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/****/
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GstBuffer *gst_buffer(Gst *vm, uint32_t capacity);
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void gst_buffer_ensure(Gst *vm, GstBuffer *buffer, uint32_t capacity);
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int gst_buffer_get(GstBuffer *buffer, uint32_t index);
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void gst_buffer_push(Gst *vm, GstBuffer *buffer, uint8_t c);
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void gst_buffer_append(Gst *vm, GstBuffer *buffer, const uint8_t *string, uint32_t length);
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const uint8_t *gst_buffer_to_string(Gst *vm, GstBuffer *buffer);
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/* Define a push function for pushing a certain type to the buffer */
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#define BUFFER_DEFINE(name, type) \
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static void gst_buffer_push_##name(Gst * vm, GstBuffer * buffer, type x) { \
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union { type t; uint8_t bytes[sizeof(type)]; } u; \
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u.t = x; gst_buffer_append(vm, buffer, u.bytes, sizeof(type)); \
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}
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/****/
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/* Array functions */
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/****/
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GstArray *gst_array(Gst *vm, uint32_t capacity);
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GstValue gst_array_get(GstArray *array, uint32_t index);
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int gst_array_set(GstArray *array, uint32_t index, GstValue x);
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void gst_array_ensure(Gst *vm, GstArray *array, uint32_t capacity);
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void gst_array_push(Gst *vm, GstArray *array, GstValue x);
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GstValue gst_array_pop(GstArray *array);
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/****/
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/* Tuple functions */
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/****/
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GstValue *gst_tuple(Gst *vm, uint32_t length);
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/****/
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/* String functions */
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/****/
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uint8_t *gst_string_begin(Gst *vm, uint32_t len);
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const uint8_t *gst_string_end(Gst *vm, uint8_t *str);
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const uint8_t *gst_string_loadbuffer(Gst *vm, const uint8_t *buf, uint32_t len);
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const uint8_t *gst_cstring_to_string(Gst *vm, const char *cstring);
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GstValue gst_load_cstring(Gst *vm, const char *string);
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GstValue gst_load_csymbol(Gst *vm, const char *string);
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int gst_string_compare(const uint8_t *lhs, const uint8_t *rhs);
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/****/
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/* Userdata functions */
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/****/
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void *gst_userdata(Gst *vm, uint32_t size, GstObject *meta);
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/****/
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/* Object functions */
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/****/
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GstObject *gst_object(Gst *vm, uint32_t capacity);
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GstValue gst_object_get(GstObject *obj, GstValue key);
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GstValue gst_object_remove(Gst *vm, GstObject *obj, GstValue key);
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void gst_object_put(Gst *vm, GstObject *obj, GstValue key, GstValue value);
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/****/
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/* Threads */
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/****/
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#define gst_thread_stack(t) ((t)->data + (t)->count)
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GstThread *gst_thread(Gst *vm, GstValue callee, uint32_t capacity);
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void gst_thread_ensure_extra(Gst *vm, GstThread *thread, uint32_t extra);
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void gst_thread_push(Gst *vm, GstThread *thread, GstValue x);
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void gst_thread_pushnil(Gst *vm, GstThread *thread, uint32_t n);
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void gst_thread_tuplepack(Gst *vm, GstThread *thread, uint32_t n);
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GstValue *gst_thread_expand_callable(Gst *vm, GstThread *thread, GstValue callee);
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GstValue *gst_thread_beginframe(Gst *vm, GstThread *thread, GstValue callee, uint32_t arity);
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void gst_thread_endframe(Gst *vm, GstThread *thread);
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GstValue *gst_thread_popframe(Gst *vm, GstThread *thread);
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GstValue *gst_thread_tail(Gst *vm, GstThread *thread);
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/****/
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/* Value manipulation */
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/****/
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int gst_truthy(GstValue x);
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int gst_compare(GstValue x, GstValue y);
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int gst_equals(GstValue x, GstValue y);
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const char *gst_get(GstValue ds, GstValue key, GstValue *out);
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const char *gst_set(Gst *vm, GstValue ds, GstValue key, GstValue value);
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const uint8_t *gst_to_string(Gst *vm, GstValue x);
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uint32_t gst_hash(GstValue x);
|
||||
GstValue gst_get_class(GstValue x);
|
||||
const char *gst_set_class(GstValue obj, GstValue class);
|
||||
int gst_length(Gst *vm, GstValue x, GstValue *len);
|
||||
|
||||
/****/
|
||||
/* Serialization */
|
||||
/****/
|
||||
|
||||
/**
|
||||
* Data format
|
||||
* State is encoded as a string of unsigned bytes.
|
||||
*
|
||||
* Types:
|
||||
*
|
||||
* Byte 0 to 200: small integer byte - 100
|
||||
* Byte 201: Nil
|
||||
* Byte 202: True
|
||||
* Byte 203: False
|
||||
* Byte 204: Number - double format
|
||||
* Byte 205: String - [u32 length]*[u8... characters]
|
||||
* Byte 206: Symbol - [u32 length]*[u8... characters]
|
||||
* Byte 207: Buffer - [u32 length]*[u8... characters]
|
||||
* Byte 208: Array - [u32 length]*[value... elements]
|
||||
* Byte 209: Tuple - [u32 length]*[value... elements]
|
||||
* Byte 210: Thread - [u8 state][u32 frames]*[[value callee][value env]
|
||||
* [u32 pcoffset][u32 erroffset][u16 ret][u16 errloc][u16 size]*[value ...stack]
|
||||
* Byte 211: Object - [value meta][u32 length]*2*[value... kvs]
|
||||
* Byte 212: FuncDef - [u32 locals][u32 arity][u32 flags][u32 literallen]*[value...
|
||||
* literals][u32 bytecodelen]*[u16... bytecode]
|
||||
* Byte 213: FunEnv - [value thread][u32 length]*[value ...upvalues]
|
||||
* (upvalues is not read if thread is a thread object)
|
||||
* Byte 214: Func - [value parent][value def][value env]
|
||||
* (nil values indicate empty)
|
||||
* Byte 215: LUdata - [value meta][u32 length]*[u8... bytes]
|
||||
* Byte 216: CFunc - [u32 length]*[u8... idstring]
|
||||
* Byte 217: Ref - [u32 id]
|
||||
*/
|
||||
|
||||
const char *gst_deserialize(
|
||||
Gst *vm,
|
||||
const uint8_t *data,
|
||||
uint32_t len,
|
||||
GstValue *out,
|
||||
const uint8_t *nextData);
|
||||
const char *gst_serialize(Gst *vm, GstBuffer *buffer, GstValue x);
|
||||
|
||||
/****/
|
||||
/* GC */
|
||||
/****/
|
||||
|
||||
#define GST_MEMTAG_STRING 4
|
||||
|
||||
void gst_mark(Gst *vm, GstValue *x);
|
||||
void gst_sweep(Gst *vm);
|
||||
void *gst_alloc(Gst *vm, uint32_t size);
|
||||
void *gst_zalloc(Gst *vm, uint32_t size);
|
||||
void gst_mem_tag(void *mem, uint32_t tags);
|
||||
void gst_collect(Gst *vm);
|
||||
void gst_maybe_collect(Gst *vm);
|
||||
void gst_clear_memory(Gst *vm);
|
||||
|
||||
/****/
|
||||
/* VM */
|
||||
/****/
|
||||
|
||||
void gst_init(Gst *vm);
|
||||
void gst_deinit(Gst *vm);
|
||||
int gst_run(Gst *vm, GstValue func);
|
||||
int gst_continue(Gst *vm);
|
||||
int gst_call(Gst *vm, GstValue callee, uint32_t arity, GstValue *args);
|
||||
GstValue gst_arg(Gst *vm, uint16_t index);
|
||||
void gst_set_arg(Gst *vm, uint16_t index, GstValue x);
|
||||
uint16_t gst_count_args(Gst *vm);
|
||||
|
||||
#endif // GST_H_defined
|
||||
|
|
@ -0,0 +1,40 @@
|
|||
#ifndef PARSE_H_ONYWMADW
|
||||
#define PARSE_H_ONYWMADW
|
||||
|
||||
#include <gst/gst.h>
|
||||
|
||||
typedef struct GstParser GstParser;
|
||||
typedef struct GstParseState GstParseState;
|
||||
|
||||
/* Holds the parsing state */
|
||||
struct GstParser {
|
||||
Gst *vm;
|
||||
const char *error;
|
||||
GstParseState *data;
|
||||
GstValue value;
|
||||
uint32_t count;
|
||||
uint32_t cap;
|
||||
uint32_t index;
|
||||
uint32_t flags;
|
||||
uint32_t quoteCount;
|
||||
enum {
|
||||
GST_PARSER_PENDING = 0,
|
||||
GST_PARSER_FULL,
|
||||
GST_PARSER_ERROR
|
||||
} status;
|
||||
};
|
||||
|
||||
/* Some parser flags */
|
||||
#define GST_PARSER_FLAG_INCOMMENT 1
|
||||
#define GST_PARSER_FLAG_EXPECTING_COMMENT 2
|
||||
|
||||
/* Initialize a parser */
|
||||
void gst_parser(GstParser *p, Gst *vm);
|
||||
|
||||
/* Parse a c style string. Returns number of bytes read */
|
||||
int gst_parse_cstring(GstParser *p, const char *string);
|
||||
|
||||
/* Parse a gst string. Returns number of bytes read */
|
||||
int gst_parse_string(GstParser *p, const uint8_t *string);
|
||||
|
||||
#endif /* end of include guard: PARSE_H_ONYWMADW */
|
||||
|
|
@ -0,0 +1,11 @@
|
|||
#ifndef stl_h_INCLUDED
|
||||
#define stl_h_INCLUDED
|
||||
|
||||
#include <gst/gst.h>
|
||||
#include <gst/compile.h>
|
||||
|
||||
/* Load the standard library */
|
||||
void gst_stl_load(GstCompiler *c);
|
||||
|
||||
#endif // stl_h_INCLUDED
|
||||
|
||||
Loading…
Reference in New Issue