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Strip trailing whitespace from many files.

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Add native modules to import with module.native-path.
This commit is contained in:
Calvin Rose 2018-05-19 21:16:00 -04:00
parent 245fb948f1
commit fb409201b4
19 changed files with 173 additions and 114 deletions
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24
src/assembler/asm.c
View File

@ -30,7 +30,7 @@
/* Convert a slot to to an integer for bytecode */
/* Types of instructions (some of them) */
/* _0arg - op.---.--.-- (return-nil, noop, vararg arguments)
/* _0arg - op.---.--.-- (return-nil, noop, vararg arguments)
* _s - op.src.--.-- (push1)
* _l - op.XX.XX.XX (jump)
* _ss - op.dest.XX.XX (move, swap)
@ -200,7 +200,7 @@ static void dst_asm_errorv(DstAssembler *a, const uint8_t *m) {
}
/* Add a closure environment to the assembler. Sub funcdefs may need
* to reference outer function environments, and may change the outer environment.
* to reference outer function environments, and may change the outer environment.
* Returns the index of the environment in the assembler's environments, or -1
* if not found. */
static int32_t dst_asm_addenv(DstAssembler *a, Dst envname) {
@ -360,7 +360,7 @@ static uint32_t doarg(
/* Provide parsing methods for the different kinds of arguments */
static uint32_t read_instruction(
DstAssembler *a,
DstAssembler *a,
const DstInstructionDef *idef,
const Dst *argt) {
uint32_t instr = idef->opcode;
@ -516,7 +516,7 @@ static DstAssembleResult dst_asm1(DstAssembler *parent, Dst source, int flags) {
return result;
}
dst_asm_assert(&a,
dst_asm_assert(&a,
dst_checktype(s, DST_STRUCT) ||
dst_checktype(s, DST_TABLE),
"expected struct or table for assembly source");
@ -547,7 +547,7 @@ static DstAssembleResult dst_asm1(DstAssembler *parent, Dst source, int flags) {
Dst v = arr[i];
if (dst_checktype(v, DST_TUPLE)) {
const Dst *t = dst_unwrap_tuple(v);
int32_t j;
int32_t j;
for (j = 0; j < dst_tuple_length(t); j++) {
if (!dst_checktype(t[j], DST_SYMBOL))
dst_asm_error(&a, "slot names must be symbols");
@ -681,7 +681,7 @@ static DstAssembleResult dst_asm1(DstAssembler *parent, Dst source, int flags) {
dst_asm_error(&a, "bytecode expected");
}
a.errindex = -1;
/* Check for source mapping */
x = dst_get(s, dst_csymbolv("sourcemap"));
if (dst_seq_view(x, &arr, &count)) {
@ -737,7 +737,7 @@ static const DstInstructionDef *dst_asm_reverse_lookup(uint32_t instr) {
uint32_t opcode = instr & 0x7F;
for (i = 0; i < sizeof(dst_ops)/sizeof(DstInstructionDef); i++) {
const DstInstructionDef *def = dst_ops + i;
if (def->opcode == opcode)
if (def->opcode == opcode)
return def;
}
return NULL;
@ -792,23 +792,23 @@ Dst dst_asm_decode_instruction(uint32_t instr) {
case DIT_SC:
case DIT_SU:
case DIT_SD:
return tup3(name,
return tup3(name,
dst_wrap_integer(oparg(1, 0xFF)),
dst_wrap_integer(oparg(2, 0xFFFF)));
case DIT_SI:
case DIT_SL:
return tup3(name,
return tup3(name,
dst_wrap_integer(oparg(1, 0xFF)),
dst_wrap_integer((int32_t)instr >> 16));
case DIT_SSS:
case DIT_SES:
case DIT_SSU:
return tup4(name,
return tup4(name,
dst_wrap_integer(oparg(1, 0xFF)),
dst_wrap_integer(oparg(2, 0xFF)),
dst_wrap_integer(oparg(3, 0xFF)));
case DIT_SSI:
return tup4(name,
return tup4(name,
dst_wrap_integer(oparg(1, 0xFF)),
dst_wrap_integer(oparg(2, 0xFF)),
dst_wrap_integer((int32_t)instr >> 24));
@ -825,7 +825,7 @@ Dst dst_disasm(DstFuncDef *def) {
dst_table_put(ret, dst_csymbolv("arity"), dst_wrap_integer(def->arity));
dst_table_put(ret, dst_csymbolv("bytecode"), dst_wrap_array(bcode));
if (NULL != def->sourcepath) {
dst_table_put(ret, dst_csymbolv("sourcepath"),
dst_table_put(ret, dst_csymbolv("sourcepath"),
dst_wrap_string(def->sourcepath));
}
if (NULL != def->source) {

87
src/compiler/boot.dst
View File

@ -950,7 +950,7 @@ onvalue."
:pc pc
:c c
:name name
} (get st i))
} (get st i))
(file.write stdout " in")
(when c (file.write stdout " cfunction"))
(when name (file.write stdout (string " " name)))
@ -978,48 +978,73 @@ environment is needed, use run-context."
"./?/init.dst"
"./dst_modules/?.dst"
"./dst_modules/?/init.dst"
"/usr/local/dst/0.0.0/?.dst"
"/usr/local/dst/0.0.0/?/init.dst"
])
(defn module.find
"Open a file given a module name."
[name]
(def normname (string.replace-all "." "/" name))
(defn checkmodule
[f testpath]
(if f f (do
(def p (string.replace-all "?" normname testpath))
(def p (string.replace-all "?" normname testpath))
(file.open p))))
(reduce checkmodule nil module.paths))
(def module.native-paths @[
"./?.so"
"./dst_modules/?.so"
"/usr/local/dst/0.0.0/?.so"
])
(def require
"Require a module with the given name. Will search all of the paths in
module.paths, then the path as a raw file path. Returns the new environment
returned from compiling and running the file."
(do
(def cache @{})
(def loading @{})
(fn [path]
(defn transform
[path paths]
(def normname (string.replace-all "." "/" path))
(array.push
(map (fn [x] (string.replace "?" normname x)) paths)
path))
(defn check-mod
[f testpath]
(if f f (file.open testpath)))
(defn find-mod [path]
(def paths (transform path module.paths))
(reduce check-mod nil paths))
(defn check-native
[p testpath]
(if p p (do
(def f (file.open testpath))
(if f (do (file.close f) testpath)))))
(defn find-native [path]
(def paths (transform path module.native-paths))
(reduce check-native nil paths))
(def cache @{})
(def loading @{})
(fn [path]
(when (get loading path)
(error (string "circular dependency: module " path " is loading")))
(def check (get cache path))
(if check check (do
(if (or
(= ".so" (string.slice path -3 -1))
(= ".dll" (string.slice path -4 -1)))
((native path))
(do
(def newenv (make-env))
(put cache path newenv)
(put loading path true)
(def f (or (module.find path) (file.open path)))
(if (not f)
(error (string "could not open file for module " path)))
(defn chunks [buf] (file.read f 1024 buf))
(run-context newenv chunks identity default-error-handler)
(file.close f)
(put loading path nil)
newenv)))))))
(def newenv (make-env))
(put cache path newenv)
(put loading path true)
(def f (find-mod path))
(if f
(do
# Normal dst module
(defn chunks [buf] (file.read f 1024 buf))
(run-context newenv chunks identity default-error-handler)
(file.close f)
(put loading path nil)
newenv)
(do
# Try native module
(def n (find-native path))
(if (not n)
(error (string "could not open file for module " path)))
((native n)))))))))
(defn import* [env path & args]
(def newenv (require path))

2
src/compiler/cfuns.c
View File

@ -134,7 +134,7 @@ static const DstCFunOptimizer optimizers[] = {
const DstCFunOptimizer *dstc_cfunopt(DstCFunction cfun) {
size_t i;
size_t n = sizeof(optimizers)/sizeof(DstCFunOptimizer);
for (i = 0; i < n; i++)
for (i = 0; i < n; i++)
if (optimizers[i].cfun == cfun)
return optimizers + i;
return NULL;

38
src/compiler/compile.c
View File

@ -112,7 +112,7 @@ static void slotalloci(DstCompiler *c, int32_t index) {
void dstc_sfreei(DstCompiler *c, int32_t index) {
DstScope *scope = &dst_v_last(c->scopes);
/* Don't free the pre allocated slots */
if (index >= 0 && (index < 0xF0 || index > 0xFF) &&
if (index >= 0 && (index < 0xF0 || index > 0xFF) &&
index < (dst_v_count(scope->slots) << 5))
scope->slots[index >> 5] &= ~(1 << (index & 0x1F));
}
@ -182,7 +182,7 @@ void dstc_popscope(DstCompiler *c) {
if (!(scope.flags & (DST_SCOPE_FUNCTION | DST_SCOPE_UNUSED)) && oldcount > 1) {
int32_t i;
DstScope *newscope = &dst_v_last(c->scopes);
if (newscope->smax < scope.smax)
if (newscope->smax < scope.smax)
newscope->smax = scope.smax;
/* Keep upvalue slots */
@ -320,7 +320,7 @@ DstSlot dstc_resolve(
}
scope++;
}
ret.envindex = envindex;
return ret;
}
@ -372,7 +372,7 @@ static void dstc_loadconst(DstCompiler *c, DstAst *ast, Dst k, int32_t dest) {
{
int32_t i = dst_unwrap_integer(k);
if (i <= INT16_MAX && i >= INT16_MIN) {
dstc_emit(c, ast,
dstc_emit(c, ast,
(i << 16) |
(dest << 8) |
DOP_LOAD_INTEGER);
@ -384,7 +384,7 @@ static void dstc_loadconst(DstCompiler *c, DstAst *ast, Dst k, int32_t dest) {
do_constant:
{
int32_t cindex = dstc_const(c, ast, k);
dstc_emit(c, ast,
dstc_emit(c, ast,
(cindex << 16) |
(dest << 8) |
DOP_LOAD_CONSTANT);
@ -412,26 +412,26 @@ int32_t dstc_preread(
dstc_loadconst(c, ast, s.constant, ret);
/* If we also are a reference, deref the one element array */
if (s.flags & DST_SLOT_REF) {
dstc_emit(c, ast,
dstc_emit(c, ast,
(ret << 16) |
(ret << 8) |
DOP_GET_INDEX);
}
} else if (s.envindex >= 0 || s.index > max) {
ret = dstc_lslotn(c, max, nth);
dstc_emit(c, ast,
dstc_emit(c, ast,
((uint32_t)(s.index) << 24) |
((uint32_t)(s.envindex) << 16) |
((uint32_t)(ret) << 8) |
DOP_LOAD_UPVALUE);
} else if (s.index > max) {
ret = dstc_lslotn(c, max, nth);
dstc_emit(c, ast,
dstc_emit(c, ast,
((uint32_t)(s.index) << 16) |
((uint32_t)(ret) << 8) |
DOP_MOVE_NEAR);
} else {
/* We have a normal slot that fits in the required bit width */
/* We have a normal slot that fits in the required bit width */
ret = s.index;
}
return ret;
@ -517,7 +517,7 @@ void dstc_copy(
}
return;
}
/* Process: src -> srclocal -> destlocal -> dest */
/* src -> srclocal */
@ -550,14 +550,14 @@ void dstc_copy(
DOP_MOVE_NEAR);
}
/* destlocal -> dest */
/* destlocal -> dest */
if (writeback == 1) {
dstc_emit(c, ast,
(destlocal << 16) |
(reflocal << 8) |
DOP_PUT_INDEX);
} else if (writeback == 2) {
dstc_emit(c, ast,
dstc_emit(c, ast,
((uint32_t)(dest.index) << 24) |
((uint32_t)(dest.envindex) << 16) |
((uint32_t)(destlocal) << 8) |
@ -646,7 +646,7 @@ void dstc_pushslots(DstCompiler *c, DstAst *ast, DstSM *sms) {
int32_t ls1 = dstc_preread(c, sms[i].map, 0xFF, 1, sms[i].slot);
int32_t ls2 = dstc_preread(c, sms[i + 1].map, 0xFF, 2, sms[i + 1].slot);
int32_t ls3 = dstc_preread(c, sms[i + 2].map, 0xFF, 3, sms[i + 2].slot);
dstc_emit(c, ast,
dstc_emit(c, ast,
(ls3 << 24) |
(ls2 << 16) |
(ls1 << 8) |
@ -658,7 +658,7 @@ void dstc_pushslots(DstCompiler *c, DstAst *ast, DstSM *sms) {
if (i == dst_v_count(sms) - 2) {
int32_t ls1 = dstc_preread(c, sms[i].map, 0xFF, 1, sms[i].slot);
int32_t ls2 = dstc_preread(c, sms[i + 1].map, 0xFFFF, 2, sms[i + 1].slot);
dstc_emit(c, ast,
dstc_emit(c, ast,
(ls2 << 16) |
(ls1 << 8) |
DOP_PUSH_2);
@ -666,7 +666,7 @@ void dstc_pushslots(DstCompiler *c, DstAst *ast, DstSM *sms) {
dstc_postread(c, sms[i + 1].slot, ls2);
} else if (i == dst_v_count(sms) - 1) {
int32_t ls1 = dstc_preread(c, sms[i].map, 0xFFFFFF, 1, sms[i].slot);
dstc_emit(c, ast,
dstc_emit(c, ast,
(ls1 << 8) |
DOP_PUSH);
dstc_postread(c, sms[i].slot, ls1);
@ -694,7 +694,7 @@ void dstc_throwaway(DstFopts opts, Dst x) {
dstc_popscope(c);
if (NULL != c->buffer) {
dst_v__cnt(c->buffer) = bufstart;
if (NULL != c->mapbuffer)
if (NULL != c->mapbuffer)
dst_v__cnt(c->mapbuffer) = mapbufstart;
}
}
@ -762,7 +762,7 @@ DstSlot dstc_symbol(DstFopts opts, DstAst *ast, const uint8_t *sym) {
} else {
/* Keyword */
return dstc_cslot(dst_wrap_symbol(sym));
}
}
}
/* Compile a single value */
@ -850,10 +850,10 @@ recur:
}
break;
case DST_ARRAY:
ret = dstc_array(opts, ast, x);
ret = dstc_array(opts, ast, x);
break;
case DST_STRUCT:
ret = dstc_tablector(opts, ast, x, dst_core_struct);
ret = dstc_tablector(opts, ast, x, dst_core_struct);
break;
case DST_TABLE:
ret = dstc_tablector(opts, ast, x, dst_core_table);

2
src/compiler/compile.h
View File

@ -104,7 +104,7 @@ struct DstScope {
struct DstCompiler {
int recursion_guard;
DstScope *scopes;
uint32_t *buffer;
DstAst **mapbuffer;

2
src/core/array.c
View File

@ -216,7 +216,7 @@ static int cfun_concat(DstArgs args) {
case DST_ARRAY:
case DST_TUPLE:
{
int32_t j, len;
int32_t j, len;
const Dst *vals;
dst_seq_view(args.v[i], &vals, &len);
for (j = 0; j < len; j++)

4
src/core/buffer.c
View File

@ -190,7 +190,7 @@ static int cfun_int(DstArgs args) {
for (i = 1; i < args.n; i++) {
int32_t integer;
DST_ARG_INTEGER(integer, args, i);
if (dst_buffer_push_u32(buffer, (uint32_t) integer))
if (dst_buffer_push_u32(buffer, (uint32_t) integer))
DST_THROW(args, "buffer overflow");
}
DST_RETURN(args, args.v[0]);
@ -205,7 +205,7 @@ static int cfun_chars(DstArgs args) {
int32_t len;
const uint8_t *str;
DST_ARG_BYTES(str, len, args, i);
if (dst_buffer_push_bytes(buffer, str, len))
if (dst_buffer_push_bytes(buffer, str, len))
DST_THROW(args, "buffer overflow");
}
DST_RETURN(args, args.v[0]);

2
src/core/bytecode.c
View File

@ -191,7 +191,7 @@ int32_t dst_verify(DstFuncDef *def) {
}
}
/* Verify last instruction is either a jump, return, return-nil, or tailcall. Eventually,
/* Verify last instruction is either a jump, return, return-nil, or tailcall. Eventually,
* some real flow analysis would be ideal, but this should be very effective. Will completely
* prevent running over the end of bytecode. However, valid functions with dead code will
* be rejected. */

2
src/core/corelib.c
View File

@ -149,7 +149,7 @@ int dst_core_array(DstArgs args) {
int dst_core_table(DstArgs args) {
int32_t i;
DstTable *table = dst_table(args.n >> 1);
if (args.n & 1)
if (args.n & 1)
DST_THROW(args, "expected even number of arguments");
for (i = 0; i < args.n; i += 2) {
dst_table_put(table, args.v[i], args.v[i + 1]);

6
src/core/gc.c
View File

@ -189,7 +189,7 @@ recur:
dst_gc_mark(fiber);
dst_mark_function(fiber->root);
i = fiber->frame;
j = fiber->stackstart - DST_FRAME_SIZE;
while (i > 0) {
@ -218,7 +218,7 @@ static void dst_deinit_block(DstGCMemoryHeader *block) {
switch (block->flags & DST_MEM_TYPEBITS) {
default:
case DST_MEMORY_FUNCTION:
break; /* Do nothing for non gc types */
break; /* Do nothing for non gc types */
case DST_MEMORY_SYMBOL:
dst_symbol_deinit((const uint8_t *)mem + 2 * sizeof(int32_t));
break;
@ -233,7 +233,7 @@ static void dst_deinit_block(DstGCMemoryHeader *block) {
break;
case DST_MEMORY_BUFFER:
dst_buffer_deinit((DstBuffer *) mem);
break;
break;
case DST_MEMORY_ABSTRACT:
if (h->type->gc) {
if (h->type->gc((void *)(h + 1), h->size)) {

2
src/core/io.c
View File

@ -228,7 +228,7 @@ static int dst_io_fread(DstArgs args) {
DST_RETURN(args, dst_wrap_buffer(b));
} else {
DST_THROW(args, "expected one of :all, :line");
}
}
} else if (!dst_checktype(args.v[1], DST_INTEGER)) {
DST_THROW(args, "expected positive integer");
} else {

2
src/core/os.c
View File

@ -35,7 +35,7 @@
static int os_execute(DstArgs args) {
int nofirstarg = (args.n < 1 || !dst_checktype(args.v[0], DST_STRING));
const char *cmd = nofirstarg
const char *cmd = nofirstarg
? NULL
: (const char *) dst_unwrap_string(args.v[0]);
int stat = system(cmd);

2
src/core/state.h
View File

@ -32,7 +32,7 @@ extern "C" {
#include <dst/dsttypes.h>
/* The VM state. Rather than a struct that is passed
* around, the vm state is global for simplicity. If
* around, the vm state is global for simplicity. If
* at some point a a global state object, or context,
* is required to be passed around, this is waht would
* be in it. However, thread local globals for interpreter

64
src/core/string.c
View File

@ -202,7 +202,7 @@ static void string_description_b(DstBuffer *buffer, const char *title, void *poi
buffer->count += string_description_impl(buffer->data + buffer->count, title, pointer);
}
/* Describes a pointer with a title (string_description("bork", myp) returns
/* Describes a pointer with a title (string_description("bork", myp) returns
* a string "<bork 0x12345678>") */
static const uint8_t *string_description(const char *title, void *pointer) {
uint8_t buf[BUFSIZE];
@ -212,7 +212,7 @@ static const uint8_t *string_description(const char *title, void *pointer) {
#undef HEX
#undef BUFSIZE
/* TODO - add more characters to escape.
/* TODO - add more characters to escape.
*
* When more escapes are added, they must correspond
* to dst_escape_string_impl exactly or a buffer overrun could occur. */
@ -282,7 +282,7 @@ const uint8_t *dst_escape_string(const uint8_t *str) {
int32_t len = dst_string_length(str);
int32_t elen = dst_escape_string_length(str, len);
uint8_t *buf = dst_string_begin(elen);
dst_escape_string_impl(buf, str, len);
dst_escape_string_impl(buf, str, len);
return dst_string_end(buf);
}
@ -315,8 +315,8 @@ void dst_description_b(DstBuffer *buffer, Dst x) {
integer_to_string_b(buffer, dst_unwrap_integer(x));
return;
case DST_SYMBOL:
dst_buffer_push_bytes(buffer,
dst_unwrap_string(x),
dst_buffer_push_bytes(buffer,
dst_unwrap_string(x),
dst_string_length(dst_unwrap_string(x)));
return;
case DST_STRING:
@ -328,7 +328,7 @@ void dst_description_b(DstBuffer *buffer, Dst x) {
case DST_ABSTRACT:
{
const char *n = dst_abstract_type(dst_unwrap_abstract(x))->name;
return string_description_b(buffer,
return string_description_b(buffer,
n[0] == ':' ? n + 1 : n,
dst_unwrap_abstract(x));
}
@ -344,13 +344,13 @@ void dst_to_string_b(DstBuffer *buffer, Dst x) {
dst_description_b(buffer, x);
break;
case DST_BUFFER:
dst_buffer_push_bytes(buffer,
dst_buffer_push_bytes(buffer,
dst_unwrap_buffer(x)->data,
dst_unwrap_buffer(x)->count);
break;
case DST_STRING:
case DST_SYMBOL:
dst_buffer_push_bytes(buffer,
dst_buffer_push_bytes(buffer,
dst_unwrap_string(x),
dst_string_length(dst_unwrap_string(x)));
break;
@ -386,7 +386,7 @@ const uint8_t *dst_description(Dst x) {
case DST_ABSTRACT:
{
const char *n = dst_abstract_type(dst_unwrap_abstract(x))->name;
return string_description(
return string_description(
n[0] == ':' ? n + 1 : n,
dst_unwrap_abstract(x));
}
@ -418,7 +418,7 @@ const uint8_t *dst_formatc(const char *format, ...) {
const uint8_t *ret;
DstBuffer buffer;
DstBuffer *bufp = &buffer;
/* Calculate length */
while (format[len]) len++;
@ -440,13 +440,13 @@ const uint8_t *dst_formatc(const char *format, ...) {
if (i + 1 >= len)
break;
switch (format[++i]) {
default:
default:
dst_buffer_push_u8(bufp, format[i]);
break;
case 'f':
case 'f':
real_to_string_b(bufp, va_arg(args, double));
break;
case 'd':
case 'd':
integer_to_string_b(bufp, va_arg(args, int32_t));
break;
case 'S':
@ -472,12 +472,12 @@ const uint8_t *dst_formatc(const char *format, ...) {
dst_buffer_push_cstring(bufp, dst_type_names[va_arg(args, DstType)] + 1);
break;
}
case 'V':
case 'V':
{
dst_to_string_b(bufp, va_arg(args, Dst));
break;
}
case 'v':
case 'v':
{
dst_description_b(bufp, va_arg(args, Dst));
break;
@ -852,6 +852,39 @@ static int cfun_split(DstArgs args) {
DST_RETURN_ARRAY(args, array);
}
static int cfun_checkset(DstArgs args) {
const uint8_t *set, *str;
int32_t setlen, strlen, i;
uint32_t bitset[8] = {0, 0, 0, 0, 0, 0, 0, 0};
DST_MINARITY(args, 2);
DST_MAXARITY(args, 3);
DST_ARG_BYTES(set, setlen, args, 0);
DST_ARG_BYTES(str, strlen, args, 1);
/* Populate set */
for (i = 0; i < setlen; i++) {
int index = set[i] >> 5;
uint32_t mask = 1 << (set[i] & 7);
bitset[index] |= mask;
}
if (args.n == 3) {
int invert;
DST_ARG_BOOLEAN(invert, args, 2);
if (invert) {
for (i = 0; i < 8; i++)
bitset[i] = ~bitset[i];
}
}
/* Check set */
for (i = 0; i < strlen; i++) {
int index = str[i] >> 5;
uint32_t mask = 1 << (str[i] & 7);
if (!(bitset[index] & mask)) {
DST_RETURN_FALSE(args);
}
}
DST_RETURN_TRUE(args);
}
static const DstReg cfuns[] = {
{"string.slice", cfun_slice},
{"string.repeat", cfun_repeat},
@ -865,6 +898,7 @@ static const DstReg cfuns[] = {
{"string.replace", cfun_replace},
{"string.replace-all", cfun_replaceall},
{"string.split", cfun_split},
{"string.check-set", cfun_checkset},
{NULL, NULL}
};

14
src/core/strtod.c
View File

@ -29,7 +29,7 @@
*
* This version has been modified for much greater flexibility in parsing, such
* as choosing the radix, supporting integer output, and returning Dsts
* directly.
* directly.
*
* Numbers are of the form [-+]R[rR]I.F[eE&][-+]X where R is the radix, I is
* the integer part, F is the fractional part, and X is the exponent. All
@ -117,7 +117,7 @@ static double convert(
}
}
}
return negative
? -ldexp(mantissa, exponent2)
: ldexp(mantissa, exponent2);
@ -137,11 +137,11 @@ struct DstScanRes {
/* Get the mantissa and exponent of decimal number. The
* mantissa will be stored in a 64 bit unsigned integer (always positive).
* The exponent will be in a signed 32 bit integer. Will also check if
* The exponent will be in a signed 32 bit integer. Will also check if
* the decimal point has been seen. Returns -1 if there is an invalid
* number. */
static struct DstScanRes dst_scan_impl(
const uint8_t *str,
const uint8_t *str,
int32_t len) {
struct DstScanRes res;
@ -257,11 +257,11 @@ static struct DstScanRes dst_scan_impl(
seenadigit = 1;
}
if (eneg) res.ex -= ee; else res.ex += ee;
}
}
if (!seenadigit)
goto error;
return res;
error:
@ -277,7 +277,7 @@ int32_t dst_scan_integer(
int *err) {
struct DstScanRes res = dst_scan_impl(str, len);
int64_t i64;
if (res.error) goto error;
if (res.error) goto error;
if (res.seenpoint) goto error;
if (res.ex < 0) goto error;
i64 = res.neg ? -res.mant : res.mant;

2
src/core/struct.c
View File

@ -60,7 +60,7 @@ const DstKV *dst_struct_find(const DstKV *st, Dst key) {
/* Put a kv pair into a struct that has not yet been fully constructed.
* Nil keys and values are ignored, extra keys are ignore, and duplicate keys are
* ignored.
* ignored.
*
* Runs will be in sorted order, as the collisions resolver essentially
* preforms an in-place insertion sort. This ensures the internal structure of the

6
src/core/util.c
View File

@ -253,13 +253,13 @@ int dst_typemany_err(DstArgs args, int32_t n, int expected) {
int dst_arity_err(DstArgs args, int32_t n, const char *prefix) {
DST_THROWV(args,
dst_wrap_string(dst_formatc(
"expected %s%d argument%s, got %d",
"expected %s%d argument%s, got %d",
prefix, n, n == 1 ? "" : "s", args.n)));
}
int dst_typeabstract_err(DstArgs args, int32_t n, const DstAbstractType *at) {
DST_THROWV(args,
dst_wrap_string(dst_formatc(
"bad slot #%d, expected %s, got %s",
n, at->name, typestr(args, n))));
"bad slot #%d, expected %s, got %s",
n, at->name, typestr(args, n))));
}

4
src/core/value.c
View File

@ -151,7 +151,7 @@ int dst_compare(Dst x, Dst y) {
return dst_unwrap_string(x) > dst_unwrap_string(y) ? 1 : -1;
}
}
}
}
return (dst_type(x) < dst_type(y)) ? -1 : 1;
}
@ -198,7 +198,7 @@ Dst dst_get(Dst ds, Dst key) {
* error message, and NULL if no error. */
void dst_put(Dst ds, Dst key, Dst value) {
switch (dst_type(ds)) {
case DST_ARRAY:
case DST_ARRAY:
{
int32_t index;
DstArray *array = dst_unwrap_array(ds);

22
src/core/vm.c
View File

@ -288,7 +288,7 @@ static void *op_lookup[255] = {
VM_OP(DOP_SUBTRACT)
vm_binop(-);
VM_OP(DOP_MULTIPLY_INTEGER)
vm_binop_integer(*);
@ -303,17 +303,17 @@ static void *op_lookup[255] = {
VM_OP(DOP_DIVIDE_INTEGER)
vm_assert(dst_unwrap_integer(stack[oparg(3, 0xFF)]) != 0, "integer divide error");
vm_assert(!(dst_unwrap_integer(stack[oparg(3, 0xFF)]) == -1 &&
vm_assert(!(dst_unwrap_integer(stack[oparg(3, 0xFF)]) == -1 &&
dst_unwrap_integer(stack[oparg(2, 0xFF)]) == INT32_MIN),
"integer divide error");
vm_binop_integer(/);
VM_OP(DOP_DIVIDE_IMMEDIATE)
{
int32_t op1 = dst_unwrap_integer(stack[oparg(2, 0xFF)]);
int32_t op2 = *((int32_t *)pc) >> 24;
/* Check for degenerate integer division (divide by zero, and dividing
* min value by -1). These checks could be omitted if the arg is not
* min value by -1). These checks could be omitted if the arg is not
* 0 or -1. */
if (op2 == 0)
vm_throw("integer divide error");
@ -362,7 +362,7 @@ static void *op_lookup[255] = {
VM_OP(DOP_BNOT)
stack[oparg(1, 0xFF)] = dst_wrap_integer(~dst_unwrap_integer(stack[oparg(2, 0xFFFF)]));
vm_next();
VM_OP(DOP_SHIFT_RIGHT_UNSIGNED)
stack[oparg(1, 0xFF)] = dst_wrap_integer(
(int32_t)(((uint32_t)dst_unwrap_integer(stack[oparg(2, 0xFF)]))
@ -655,7 +655,7 @@ static void *op_lookup[255] = {
stack[oparg(1, 0xFF)] = dst_wrap_function(fn);
pc++;
vm_checkgc_next();
}
}
VM_OP(DOP_PUSH)
dst_fiber_push(fiber, stack[oparg(1, 0xFFFFFF)]);
@ -664,7 +664,7 @@ static void *op_lookup[255] = {
vm_checkgc_next();
VM_OP(DOP_PUSH_2)
dst_fiber_push2(fiber,
dst_fiber_push2(fiber,
stack[oparg(1, 0xFF)],
stack[oparg(2, 0xFFFF)]);
pc++;
@ -672,7 +672,7 @@ static void *op_lookup[255] = {
vm_checkgc_next();
VM_OP(DOP_PUSH_3)
dst_fiber_push3(fiber,
dst_fiber_push3(fiber,
stack[oparg(1, 0xFF)],
stack[oparg(2, 0xFF)],
stack[oparg(3, 0xFF)]);
@ -685,7 +685,7 @@ static void *op_lookup[255] = {
const Dst *vals;
int32_t len;
if (dst_seq_view(stack[oparg(1, 0xFFFFFF)], &vals, &len)) {
dst_fiber_pushn(fiber, vals, len);
dst_fiber_pushn(fiber, vals, len);
} else {
vm_throw("expected array/tuple");
}
@ -871,7 +871,7 @@ static void *op_lookup[255] = {
dst_gcunroot(dst_wrap_fiber(fiber));
dst_vm_fiber = old_vm_fiber;
*out = retreg;
/* All statuses correspond to signals except new and alive,
/* All statuses correspond to signals except new and alive,
* which cannot be entered when exiting the vm loop.
* DST_SIGNAL_OK -> DST_STATUS_DEAD
* DST_SIGNAL_YIELD -> DST_STATUS_PENDING */
@ -888,7 +888,7 @@ static void *op_lookup[255] = {
stack[oparg(1, 0xFF)] = retreg;
pc++;
vm_checkgc_next();
}
}
VM_END()