From 7b78b6986e714cbd7653b89287b928974eb5ee4f Mon Sep 17 00:00:00 2001 From: sanine Date: Sat, 1 Jan 2022 13:24:33 -0600 Subject: initial commit --- src/honeysuckle/honeysuckle.h | 523 ++++++++++++++++++++++++++++++++++++ src/honeysuckle/hs_create_table.c | 123 +++++++++ src/honeysuckle/hs_parse_args.c | 149 ++++++++++ src/honeysuckle/hs_process_table.c | 86 ++++++ src/honeysuckle/hs_pushstring.c | 31 +++ src/honeysuckle/hs_throw_error.c | 12 + src/honeysuckle/hs_traceback.c | 37 +++ src/honeysuckle/hs_type_to_string.c | 31 +++ 8 files changed, 992 insertions(+) create mode 100644 src/honeysuckle/honeysuckle.h create mode 100644 src/honeysuckle/hs_create_table.c create mode 100644 src/honeysuckle/hs_parse_args.c create mode 100644 src/honeysuckle/hs_process_table.c create mode 100644 src/honeysuckle/hs_pushstring.c create mode 100644 src/honeysuckle/hs_throw_error.c create mode 100644 src/honeysuckle/hs_traceback.c create mode 100644 src/honeysuckle/hs_type_to_string.c (limited to 'src/honeysuckle') diff --git a/src/honeysuckle/honeysuckle.h b/src/honeysuckle/honeysuckle.h new file mode 100644 index 0000000..96243ba --- /dev/null +++ b/src/honeysuckle/honeysuckle.h @@ -0,0 +1,523 @@ +#ifndef HONEYSUCKLE_H +#define HONEYSUCKLE_H + +#include + +#include +#include +#include + +/* variadic macro argument counting */ +#ifndef VA_NARGS + +#define VA_NARGS(...) VA_NARGS_SHIFT_COUNT(__VA_ARGS__, VA_NARGS_COUNTS) + +#define VA_NARGS_COUNTS \ + 255, 254, 253, 252, 251, 250, 249, 248, \ + 247, 246, 245, 244, 243, 242, 241, 240, \ + 239, 238, 237, 236, 235, 234, 233, 232, \ + 231, 230, 229, 228, 227, 226, 225, 224, \ + 223, 222, 221, 220, 219, 218, 217, 216, \ + 215, 214, 213, 212, 211, 210, 209, 208, \ + 207, 206, 205, 204, 203, 202, 201, 200, \ + 199, 198, 197, 196, 195, 194, 193, 192, \ + 191, 190, 189, 188, 187, 186, 185, 184, \ + 183, 182, 181, 180, 179, 178, 177, 176, \ + 175, 174, 173, 172, 171, 170, 169, 168, \ + 167, 166, 165, 164, 163, 162, 161, 160, \ + 159, 158, 157, 156, 155, 154, 153, 152, \ + 151, 150, 149, 148, 147, 146, 145, 144, \ + 143, 142, 141, 140, 139, 138, 137, 136, \ + 135, 134, 133, 132, 131, 130, 129, 128, \ + 127, 126, 125, 124, 123, 122, 121, 120, \ + 119, 118, 117, 116, 115, 114, 113, 112, \ + 111, 110, 109, 108, 107, 106, 105, 104, \ + 103, 102, 101, 100, 99, 98, 97, 96, \ + 95, 94, 93, 92, 91, 90, 89, 88, \ + 87, 86, 85, 84, 83, 82, 81, 80, \ + 79, 78, 77, 76, 75, 74, 73, 72, \ + 71, 70, 69, 68, 67, 66, 65, 64, \ + 63, 62, 61, 60, 59, 58, 57, 56, \ + 55, 54, 53, 52, 51, 50, 49, 48, \ + 47, 46, 45, 44, 43, 42, 41, 40, \ + 39, 38, 37, 36, 35, 34, 33, 32, \ + 31, 30, 29, 28, 27, 26, 25, 24, \ + 23, 22, 21, 20, 19, 18, 17, 16, \ + 15, 14, 13, 12, 11, 10, 9, 8, \ + 7, 6, 5, 4, 3, 2, 1, 0 + +#define VA_NARGS_GET_COUNT( \ + _255, _254, _253, _252, _251, _250, _249, _248, \ + _247, _246, _245, _244, _243, _242, _241, _240, \ + _239, _238, _237, _236, _235, _234, _233, _232, \ + _231, _230, _229, _228, _227, _226, _225, _224, \ + _223, _222, _221, _220, _219, _218, _217, _216, \ + _215, _214, _213, _212, _211, _210, _209, _208, \ + _207, _206, _205, _204, _203, _202, _201, _200, \ + _199, _198, _197, _196, _195, _194, _193, _192, \ + _191, _190, _189, _188, _187, _186, _185, _184, \ + _183, _182, _181, _180, _179, _178, _177, _176, \ + _175, _174, _173, _172, _171, _170, _169, _168, \ + _167, _166, _165, _164, _163, _162, _161, _160, \ + _159, _158, _157, _156, _155, _154, _153, _152, \ + _151, _150, _149, _148, _147, _146, _145, _144, \ + _143, _142, _141, _140, _139, _138, _137, _136, \ + _135, _134, _133, _132, _131, _130, _129, _128, \ + _127, _126, _125, _124, _123, _122, _121, _120, \ + _119, _118, _117, _116, _115, _114, _113, _112, \ + _111, _110, _109, _108, _107, _106, _105, _104, \ + _103, _102, _101, _100, _99, _98, _97, _96, \ + _95, _94, _93, _92, _91, _90, _89, _88, \ + _87, _86, _85, _84, _83, _82, _81, _80, \ + _79, _78, _77, _76, _75, _74, _73, _72, \ + _71, _70, _69, _68, _67, _66, _65, _64, \ + _63, _62, _61, _60, _59, _58, _57, _56, \ + _55, _54, _53, _52, _51, _50, _49, _48, \ + _47, _46, _45, _44, _43, _42, _41, _40, \ + _39, _38, _37, _36, _35, _34, _33, _32, \ + _31, _30, _29, _28, _27, _26, _25, _24, \ + _23, _22, _21, _20, _19, _18, _17, _16, \ + _15, _14, _13, _12, _11, _10, _9, _8, \ + _7, _6, _5, _4, _3, _2, _1, N, ...) N + +#define VA_NARGS_SHIFT_COUNT(...) VA_NARGS_GET_COUNT(__VA_ARGS__) + +#endif + + +/* type constants */ +typedef enum + { HS_BOOL, + HS_INT, + HS_NUM, + HS_STR, + HS_TBL, + HS_FUNC, + HS_CFUNC, + HS_USER, + HS_LIGHT, + HS_NIL, + HS_ANY, + } hs_type; + +const char* hs_type_to_string(hs_type type); + +/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * + * hs_parse_args and hs_parse_overloaded + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + */ + +struct hs_arg { + hs_type type; + union { + bool *boolean; + lua_Integer *integer; + lua_Number *number; + char **string; + int *stack_index; + lua_CFunction *function; + void **userdata; + } ptr; +}; + +#define hs_bool(x) { .type=HS_BOOL, .ptr.boolean = &(x) } +#define hs_int(x) { .type=HS_INT, .ptr.integer = &(x) } +#define hs_num(x) { .type=HS_NUM, .ptr.number = &(x) } +#define hs_str(x) { .type=HS_STR, .ptr.string = &(x) } +#define hs_tbl(x) { .type=HS_TBL, .ptr.stack_index = &(x) } +#define hs_func(x) { .type=HS_FUNC, .ptr.stack_index = &(x) } +#define hs_cfunc(x) { .type=HS_CFUNC, .ptr.function = &(x) } +#define hs_user(x) { .type=HS_USER, .ptr.userdata = &(x) } +#define hs_light(x) { .type=HS_LIGHT, .ptr.userdata = &(x) } +#define hs_nil(x) { .type=HS_NIL, .ptr.stack_index = &(x) } +#define hs_any(x) { .type=HS_ANY, .ptr.stack_index = &(x) } + +void hs_parse_args_(lua_State *L, int n_args, struct hs_arg *arguments); + +#define hs_parse_args(L, ...) \ + hs_parse_args_(L, \ + VA_NARGS(__VA_ARGS__)/2, \ + (struct hs_arg[]) { __VA_ARGS__ }) + + +#define hs_overload(...) VA_NARGS(__VA_ARGS__)/2, (struct hs_arg[]) { __VA_ARGS__ } + +int hs_parse_overloaded_(lua_State *L, ...); + +#define hs_parse_overloaded(L, ...) \ + hs_parse_overloaded_(L, __VA_ARGS__, -1) + +/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * + * hs_create_table + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + */ + +typedef union { + bool boolean; + lua_Integer integer; + lua_Number number; + char *string; + int stack_index; + lua_CFunction function; + void *userdata; +} hs_value; + +struct hs_tbl_entry { + hs_type key_type; + hs_value key; + hs_type value_type; + hs_value value; +}; + +#define hs_bool_bool(k, v) \ + { .key_type=HS_BOOL, .key.boolean=k, \ + .value_type=HS_BOOL, .value.boolean=v } +#define hs_bool_int(k, v) \ + { .key_type=HS_BOOL, .key.boolean=k, \ + .value_type=HS_INT, .value.integer=v } +#define hs_bool_num(k, v) \ + { .key_type=HS_BOOL, .key.boolean=k, \ + .value_type=HS_NUM, .value.number=v } +#define hs_bool_str(k, v) \ + { .key_type=HS_BOOL, .key.boolean=k, \ + .value_type=HS_STR, .value.string=v } +#define hs_bool_tbl(k, v) \ + { .key_type=HS_BOOL, .key.boolean=k, \ + .value_type=HS_TBL, .value.stack_index=v } +#define hs_bool_func(k, v) \ + { .key_type=HS_BOOL, .key.boolean=k, \ + .value_type=HS_FUNC, .value.stack_index=v } +#define hs_bool_cfunc(k, v) \ + { .key_type=HS_BOOL, .key.boolean=k, \ + .value_type=HS_CFUNC, .value.function=v } +#define hs_bool_user(k, v) \ + { .key_type=HS_BOOL, .key.boolean=k, \ + .value_type=HS_USER, .value.stack_index=v } +#define hs_bool_light(k, v) \ + { .key_type=HS_BOOL, .key.boolean=k, \ + .value_type=HS_LIGHT, .value.userdata=v } + +#define hs_int_bool(k, v) \ + { .key_type=HS_INT, .key.integer=k, \ + .value_type=HS_BOOL, .value.boolean=v } +#define hs_int_int(k, v) \ + { .key_type=HS_INT, .key.integer=k, \ + .value_type=HS_INT, .value.integer=v } +#define hs_int_num(k, v) \ + { .key_type=HS_INT, .key.integer=k, \ + .value_type=HS_NUM, .value.number=v } +#define hs_int_str(k, v) \ + { .key_type=HS_INT, .key.integer=k, \ + .value_type=HS_STR, .value.string=v } +#define hs_int_tbl(k, v) \ + { .key_type=HS_INT, .key.integer=k, \ + .value_type=HS_TBL, .value.stack_index=v } +#define hs_int_func(k, v) \ + { .key_type=HS_INT, .key.integer=k, \ + .value_type=HS_FUNC, .value.stack_index=v } +#define hs_int_cfunc(k, v) \ + { .key_type=HS_INT, .key.integer=k, \ + .value_type=HS_CFUNC, .value.function=v } +#define hs_int_user(k, v) \ + { .key_type=HS_INT, .key.integer=k, \ + .value_type=HS_USER, .value.stack_index=v } +#define hs_int_light(k, v) \ + { .key_type=HS_INT, .key.integer=k, \ + .value_type=HS_LIGHT, .value.userdata=v } + +#define hs_num_bool(k, v) \ + { .key_type=HS_NUM, .key.number=k, \ + .value_type=HS_BOOL, .value.boolean=v } +#define hs_num_int(k, v) \ + { .key_type=HS_NUM, .key.number=k, \ + .value_type=HS_INT, .value.integer=v } +#define hs_num_num(k, v) \ + { .key_type=HS_NUM, .key.number=k, \ + .value_type=HS_NUM, .value.number=v } +#define hs_num_str(k, v) \ + { .key_type=HS_NUM, .key.number=k, \ + .value_type=HS_STR, .value.string=v } +#define hs_num_tbl(k, v) \ + { .key_type=HS_NUM, .key.number=k, \ + .value_type=HS_TBL, .value.stack_index=v } +#define hs_num_func(k, v) \ + { .key_type=HS_NUM, .key.number=k, \ + .value_type=HS_FUNC, .value.stack_index=v } +#define hs_num_cfunc(k, v) \ + { .key_type=HS_NUM, .key.number=k, \ + .value_type=HS_CFUNC, .value.function=v } +#define hs_num_user(k, v) \ + { .key_type=HS_NUM, .key.number=k, \ + .value_type=HS_USER, .value.stack_index=v } +#define hs_num_light(k, v) \ + { .key_type=HS_NUM, .key.number=k, \ + .value_type=HS_LIGHT, .value.userdata=v } + +#define hs_str_bool(k, v) \ + { .key_type=HS_STR, .key.string=k, \ + .value_type=HS_BOOL, .value.boolean=v } +#define hs_str_int(k, v) \ + { .key_type=HS_STR, .key.string=k, \ + .value_type=HS_INT, .value.integer=v } +#define hs_str_num(k, v) \ + { .key_type=HS_STR, .key.string=k, \ + .value_type=HS_NUM, .value.number=v } +#define hs_str_str(k, v) \ + { .key_type=HS_STR, .key.string=k, \ + .value_type=HS_STR, .value.string=v } +#define hs_str_tbl(k, v) \ + { .key_type=HS_STR, .key.string=k, \ + .value_type=HS_TBL, .value.stack_index=v } +#define hs_str_func(k, v) \ + { .key_type=HS_STR, .key.string=k, \ + .value_type=HS_FUNC, .value.stack_index=v } +#define hs_str_cfunc(k, v) \ + { .key_type=HS_STR, .key.string=k, \ + .value_type=HS_CFUNC, .value.function=v } +#define hs_str_user(k, v) \ + { .key_type=HS_STR, .key.string=k, \ + .value_type=HS_USER, .value.stack_index=v } +#define hs_str_light(k, v) \ + { .key_type=HS_STR, .key.string=k, \ + .value_type=HS_LIGHT, .value.userdata=v } + + +#define hs_tbl_bool(k, v) \ + { .key_type=HS_TBL, .key.stack_index=k, \ + .value_type=HS_BOOL, .value.boolean=v } +#define hs_tbl_int(k, v) \ + { .key_type=HS_TBL, .key.stack_index=k, \ + .value_type=HS_INT, .value.integer=v } +#define hs_tbl_num(k, v) \ + { .key_type=HS_TBL, .key.stack_index=k, \ + .value_type=HS_NUM, .value.number=v } +#define hs_tbl_str(k, v) \ + { .key_type=HS_TBL, .key.stack_index=k, \ + .value_type=HS_STR, .value.string=v } +#define hs_tbl_tbl(k, v) \ + { .key_type=HS_TBL, .key.stack_index=k, \ + .value_type=HS_TBL, .value.stack_index=v } +#define hs_tbl_func(k, v) \ + { .key_type=HS_TBL, .key.stack_index=k, \ + .value_type=HS_FUNC, .value.stack_index=v } +#define hs_tbl_cfunc(k, v) \ + { .key_type=HS_TBL, .key.stack_index=k, \ + .value_type=HS_CFUNC, .value.function=v } +#define hs_tbl_user(k, v) \ + { .key_type=HS_TBL, .key.stack_index=k, \ + .value_type=HS_USER, .value.stack_index=v } +#define hs_tbl_light(k, v) \ + { .key_type=HS_TBL, .key.stack_index=k, \ + .value_type=HS_LIGHT, .value.userdata=v } + +#define hs_func_bool(k, v) \ + { .key_type=HS_FUNC, .key.stack_index=k, \ + .value_type=HS_BOOL, .value.boolean=v } +#define hs_func_int(k, v) \ + { .key_type=HS_FUNC, .key.stack_index=k, \ + .value_type=HS_INT, .value.integer=v } +#define hs_func_num(k, v) \ + { .key_type=HS_FUNC, .key.stack_index=k, \ + .value_type=HS_NUM, .value.number=v } +#define hs_func_str(k, v) \ + { .key_type=HS_FUNC, .key.stack_index=k, \ + .value_type=HS_STR, .value.string=v } +#define hs_func_tbl(k, v) \ + { .key_type=HS_FUNC, .key.stack_index=k, \ + .value_type=HS_TBL, .value.stack_index=v } +#define hs_func_func(k, v) \ + { .key_type=HS_FUNC, .key.stack_index=k, \ + .value_type=HS_FUNC, .value.stack_index=v } +#define hs_func_cfunc(k, v) \ + { .key_type=HS_FUNC, .key.stack_index=k, \ + .value_type=HS_CFUNC, .value.function=v } +#define hs_func_user(k, v) \ + { .key_type=HS_FUNC, .key.stack_index=k, \ + .value_type=HS_USER, .value.stack_index=v } +#define hs_func_light(k, v) \ + { .key_type=HS_FUNC, .key.stack_index=k, \ + .value_type=HS_LIGHT, .value.userdata=v } + +#define hs_cfunc_bool(k, v) \ + { .key_type=HS_CFUNC, .key.function=k, \ + .value_type=HS_BOOL, .value.boolean=v } +#define hs_cfunc_int(k, v) \ + { .key_type=HS_CFUNC, .key.function=k, \ + .value_type=HS_INT, .value.integer=v } +#define hs_cfunc_num(k, v) \ + { .key_type=HS_CFUNC, .key.function=k, \ + .value_type=HS_NUM, .value.number=v } +#define hs_cfunc_str(k, v) \ + { .key_type=HS_CFUNC, .key.function=k, \ + .value_type=HS_STR, .value.string=v } +#define hs_cfunc_tbl(k, v) \ + { .key_type=HS_CFUNC, .key.function=k, \ + .value_type=HS_TBL, .value.stack_index=v } +#define hs_cfunc_func(k, v) \ + { .key_type=HS_CFUNC, .key.function=k, \ + .value_type=HS_FUNC, .value.stack_index=v } +#define hs_cfunc_cfunc(k, v) \ + { .key_type=HS_CFUNC, .key.function=k, \ + .value_type=HS_CFUNC, .value.function=v } +#define hs_cfunc_user(k, v) \ + { .key_type=HS_CFUNC, .key.function=k, \ + .value_type=HS_USER, .value.stack_index=v } +#define hs_cfunc_light(k, v) \ + { .key_type=HS_CFUNC, .key.function=k, \ + .value_type=HS_LIGHT, .value.userdata=v } + +#define hs_user_bool(k, v) \ + { .key_type=HS_USER, .key.stack_index=k, \ + .value_type=HS_BOOL, .value.boolean=v } +#define hs_user_int(k, v) \ + { .key_type=HS_USER, .key.stack_index=k, \ + .value_type=HS_INT, .value.integer=v } +#define hs_user_num(k, v) \ + { .key_type=HS_USER, .key.stack_index=k, \ + .value_type=HS_NUM, .value.number=v } +#define hs_user_str(k, v) \ + { .key_type=HS_USER, .key.stack_index=k, \ + .value_type=HS_STR, .value.string=v } +#define hs_user_tbl(k, v) \ + { .key_type=HS_USER, .key.stack_index=k, \ + .value_type=HS_TBL, .value.stack_index=v } +#define hs_user_func(k, v) \ + { .key_type=HS_USER, .key.stack_index=k, \ + .value_type=HS_FUNC, .value.stack_index=v } +#define hs_user_cfunc(k, v) \ + { .key_type=HS_USER, .key.stack_index=k, \ + .value_type=HS_CFUNC, .value.function=v } +#define hs_user_user(k, v) \ + { .key_type=HS_USER, .key.stack_index=k, \ + .value_type=HS_USER, .value.stack_index=v } +#define hs_user_light(k, v) \ + { .key_type=HS_USER, .key.stack_index=k, \ + .value_type=HS_LIGHT, .value.userdata=v } + +#define hs_light_bool(k, v) \ + { .key_type=HS_LIGHT, .key.userdata=k, \ + .value_type=HS_BOOL, .value.boolean=v } +#define hs_light_int(k, v) \ + { .key_type=HS_LIGHT, .key.userdata=k, \ + .value_type=HS_INT, .value.integer=v } +#define hs_light_num(k, v) \ + { .key_type=HS_LIGHT, .key.userdata=k, \ + .value_type=HS_NUM, .value.number=v } +#define hs_light_str(k, v) \ + { .key_type=HS_LIGHT, .key.userdata=k, \ + .value_type=HS_STR, .value.string=v } +#define hs_light_tbl(k, v) \ + { .key_type=HS_LIGHT, .key.userdata=k, \ + .value_type=HS_TBL, .value.stack_index=v } +#define hs_light_func(k, v) \ + { .key_type=HS_LIGHT, .key.userdata=k, \ + .value_type=HS_FUNC, .value.stack_index=v } +#define hs_light_cfunc(k, v) \ + { .key_type=HS_LIGHT, .key.userdata=k, \ + .value_type=HS_CFUNC, .value.function=v } +#define hs_light_user(k, v) \ + { .key_type=HS_LIGHT, .key.userdata=k, \ + .value_type=HS_USER, .value.stack_index=v } +#define hs_light_light(k, v) \ + { .key_type=HS_LIGHT, .key.userdata=k, \ + .value_type=HS_LIGHT, .value.userdata=v } + +int hs_create_table_(lua_State *L, int n_elements, struct hs_tbl_entry *elements); + +#define hs_create_table(L, ...) \ + hs_create_table_(L, \ + VA_NARGS(__VA_ARGS__)/4, \ + (struct hs_tbl_entry[]) { __VA_ARGS__ }) + + +/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * + * hs_process_table + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + */ + +typedef void (*hs_pt_bool_callback)(bool, void *); +typedef void (*hs_pt_int_callback)(lua_Integer, void *); +typedef void (*hs_pt_num_callback)(lua_Number, void *); +typedef void (*hs_pt_str_callback)(const char *, void *); + + +// default processors +void hs_pt_set_boolean(bool value, void *data); +void hs_pt_set_integer(lua_Integer value, void *data); +void hs_pt_set_number(lua_Number value, void *data); +void hs_pt_set_string(const char *value, void *data); + + +struct hs_table_processor { + const char *key; + hs_type type; + union { + hs_pt_bool_callback boolean; + hs_pt_int_callback integer; + hs_pt_num_callback number; + hs_pt_str_callback string; + } func; + void *data; +}; + +#define hs_process_bool(str, f, d) \ + { .key=(str), .type=HS_BOOL, .func.boolean=(f), .data=(d) } +#define hs_process_int(str, f, d) \ + { .key=(str), .type=HS_INT, .func.integer=(f), .data=(d) } +#define hs_process_num(str, f, d) \ + { .key=(str), .type=HS_NUM, .func.number=(f), .data=(d) } +#define hs_process_str(str, f, d) \ + { .key=(str), .type=HS_STR, .func.string=(f), .data=(d) } + +void hs_process_table_(lua_State *L, + int table_index, + int n_processors, + struct hs_table_processor *processors); + +#define hs_process_table(L, table_index, ...) \ + hs_process_table_(L, table_index, \ + VA_NARGS(__VA_ARGS__)/4, \ + (struct hs_table_processor[]) {__VA_ARGS__}) + + +/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * + * hs_pushstring + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + */ + +void hs_vpushstring(lua_State *L, const char *format_string, va_list args); +void hs_pushstring(lua_State *L, const char *format_string, ...); + + +/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * + * error creation and handling + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + */ + +void hs_throw_error(lua_State *L, const char *format_string, ...); +int hs_traceback(lua_State *L); +int hs_call(lua_State *L, int nargs, int nret); + + +/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * + * registry operations + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + */ + +#define hs_rstore(L) luaL_ref(L, LUA_REGISTRYINDEX); +#define hs_rload(L, ref) lua_rawgeti(L, LUA_REGISTRYINDEX, ref) +#define hs_rdel(L, ref) luaL_unref(L, LUA_REGISTRYINDEX, ref) + +#endif diff --git a/src/honeysuckle/hs_create_table.c b/src/honeysuckle/hs_create_table.c new file mode 100644 index 0000000..422a480 --- /dev/null +++ b/src/honeysuckle/hs_create_table.c @@ -0,0 +1,123 @@ +#include + +#include "honeysuckle.h" + +static void push_value(lua_State *L, hs_type type, hs_value value) +{ + switch (type) { + case HS_BOOL: + lua_pushboolean(L, value.boolean); + break; + + case HS_INT: + lua_pushinteger(L, value.integer); + break; + + case HS_NUM: + lua_pushnumber(L, value.number); + break; + + case HS_STR: + lua_pushstring(L, value.string); + break; + + case HS_TBL: + lua_pushvalue(L, value.stack_index); + break; + + case HS_FUNC: + lua_pushvalue(L, value.stack_index); + break; + + case HS_CFUNC: + lua_pushcfunction(L, value.function); + break; + + case HS_USER: + lua_pushvalue(L, value.stack_index); + break; + + case HS_LIGHT: + lua_pushlightuserdata(L, value.userdata); + break; + + default: + hs_throw_error(L, "attempted to push data of invalid type %d", type); + break; + } +} + + +static inline bool poppable(hs_type type) +{ + if (type == HS_TBL || + type == HS_FUNC || + type == HS_USER) { + return true; + } + return false; +} + + +static void print_stack(lua_State *L) +{ + printf("stack: %d [", lua_gettop(L)); + for (int i=0; ikey_type, e->key); + // print_stack(L); + push_value(L, e->value_type, e->value); + // print_stack(L); + lua_rawset(L, index); + // print_stack(L); + } + + int n_poppable = 0; + int pop_indices[n_elements]; + + for (int i=0; ikey_type)) + pop_indices[n_poppable++] = e->key.stack_index; + if (poppable(e->value_type)) + pop_indices[n_poppable++] = e->value.stack_index; + } + + // printf("cleaning up\n"); + + qsort(pop_indices, n_poppable, sizeof(int), descending); + for (int i=0; i + +#include "honeysuckle.h" + +static bool check_parse(lua_State *L, int index, struct hs_arg *expected) +{ + switch(expected->type) { + case HS_BOOL: + if (!lua_isboolean(L, index)) + return false; + *(expected->ptr.boolean) = lua_toboolean(L, index); + return true; + + case HS_INT: + if (!lua_isnumber(L, index)) + return false; + *(expected->ptr.integer) = lua_tointeger(L, index); + return true; + + case HS_NUM: + if (!lua_isnumber(L, index)) + return false; + *(expected->ptr.number) = lua_tonumber(L, index); + return true; + + case HS_STR: + if (!lua_isstring(L, index) || lua_isnumber(L, index)) + return false; + *(expected->ptr.string) = (char *) lua_tostring(L, index); + return true; + + case HS_TBL: + if (!lua_istable(L, index)) + return false; + *(expected->ptr.stack_index) = index; + return true; + + case HS_FUNC: + if (!lua_isfunction(L, index)) + return false; + *(expected->ptr.stack_index) = index; + return true; + + case HS_CFUNC: + if (!lua_iscfunction(L, index)) + return false; + *(expected->ptr.function) = lua_tocfunction(L, index); + return true; + + case HS_USER: + if (!lua_isuserdata(L, index)) + return false; + *(expected->ptr.userdata) = lua_touserdata(L, index); + return true; + + case HS_LIGHT: + if (!lua_islightuserdata(L, index)) + return false; + *(expected->ptr.userdata) = lua_touserdata(L, index); + return true; + + case HS_NIL: + if (!lua_isnil(L, index)) + return false; + *(expected->ptr.stack_index) = index; + + case HS_ANY: + *(expected->ptr.stack_index) = index; + return true; + + default: + return false; + } +} + + +static bool try_parse_args(lua_State *L, int n_args, struct hs_arg *arguments) +{ + int args_provided = lua_gettop(L); + if (args_provided != n_args) + return false; + + for (int i=0; itype) { + case HS_BOOL: + if (!lua_isboolean(L, -1)) + hs_throw_error(L, + "expected key '%s' to be of type boolean, "\ + "but got type %s instead", + p->key, + lua_typename(L, lua_type(L, -1))); + p->func.boolean(lua_toboolean(L, -1), p->data); + break; + + case HS_INT: + if (!lua_isnumber(L, -1)) + hs_throw_error(L, + "expected key '%s' to be of type integer, "\ + "but got type %s instead", + p->key, + lua_typename(L, lua_type(L, -1))); + p->func.integer(lua_tointeger(L, -1), p->data); + break; + + case HS_NUM: + if (!lua_isnumber(L, -1)) + hs_throw_error(L, + "expected key '%s' to be of type number, "\ + "but got type %s instead", + p->key, + lua_typename(L, lua_type(L, -1))); + p->func.number(lua_tonumber(L, -1), p->data); + break; + + case HS_STR: + if (!lua_isstring(L, -1)) + hs_throw_error(L, + "expected key '%s' to be of type string, "\ + "but got type %s instead", + p->key, + lua_typename(L, lua_type(L, -1))); + p->func.string(lua_tostring(L, -1), p->data); + break; + + default: + // bad type value, throw error + hs_throw_error(L, "bad expected type '%d' for key '%s'", + p->type, p->key); + break; + } +} + +void hs_process_table_(lua_State *L, + int table_index, + int n_processors, + struct hs_table_processor *processors) +{ + for (int i=0; i + +#include "honeysuckle.h" + +void hs_vpushstring(lua_State *L, const char *format_string, va_list args) +{ + va_list args_; + va_copy(args_, args); + + int string_size = vsnprintf(NULL, 0, format_string, args_); + va_end(args_); + + char *string = malloc((string_size+1) * sizeof(char)); + if (string == NULL) { + lua_pushstring(L, "there was an error allocating memory for a string"); + lua_error(L); + } + + vsnprintf(string, string_size+1, format_string, args); + lua_pushstring(L, string); + free(string); +} + + +void hs_pushstring(lua_State *L, const char *format_string, ...) +{ + va_list args; + va_start(args, format_string); + hs_vpushstring(L, format_string, args); + va_end(args); +} diff --git a/src/honeysuckle/hs_throw_error.c b/src/honeysuckle/hs_throw_error.c new file mode 100644 index 0000000..20a4c6d --- /dev/null +++ b/src/honeysuckle/hs_throw_error.c @@ -0,0 +1,12 @@ +#include + +#include "honeysuckle.h" + +void hs_throw_error(lua_State *L, const char *format_string, ...) +{ + va_list args; + va_start(args, format_string); + hs_vpushstring(L, format_string, args); + va_end(args); + lua_error(L); +} diff --git a/src/honeysuckle/hs_traceback.c b/src/honeysuckle/hs_traceback.c new file mode 100644 index 0000000..1830721 --- /dev/null +++ b/src/honeysuckle/hs_traceback.c @@ -0,0 +1,37 @@ +#include "honeysuckle.h" + +int hs_traceback(lua_State *L) +{ + if (!lua_isstring(L, 1)) + /* 'message' is not a string, keep intact */ + return 1; + + lua_getglobal(L, "debug"); + if (!lua_istable(L, -1)) { + lua_pop(L, 1); + return 1; + } + + lua_getfield(L, -1, "traceback"); + if (!lua_isfunction(L, -1)) { + lua_pop(L, 2); + return 1; + } + + lua_pushvalue(L, 1); + lua_pushinteger(L, 2); + lua_call(L, 2, 1); + return 1; +} + + +int hs_call(lua_State *L, int nargs, int nret) +{ + int traceback_pos = lua_gettop(L) - nargs; + lua_pushcfunction(L, hs_traceback); + lua_insert(L, traceback_pos); + + int result = lua_pcall(L, nargs, nret, traceback_pos); + lua_remove(L, traceback_pos); + return result; +} diff --git a/src/honeysuckle/hs_type_to_string.c b/src/honeysuckle/hs_type_to_string.c new file mode 100644 index 0000000..d0a580c --- /dev/null +++ b/src/honeysuckle/hs_type_to_string.c @@ -0,0 +1,31 @@ +#include "honeysuckle.h" + +const char * hs_type_to_string(hs_type type) +{ + switch(type) { + case HS_BOOL: + return "boolean"; + case HS_INT: + return "integer"; + case HS_NUM: + return "number"; + case HS_STR: + return "string"; + case HS_TBL: + return "table"; + case HS_FUNC: + return "function"; + case HS_CFUNC: + return "C function"; + case HS_USER: + return "userdata"; + case HS_LIGHT: + return "light userdata"; + case HS_NIL: + return "nil"; + case HS_ANY: + return "any"; + default: + return "(unknown)"; + } +} -- cgit v1.2.1