Merge branch 'majestic' of github.com:GrammaticalFramework/gf-core into majestic

This commit is contained in:
krangelov
2021-10-13 19:15:32 +02:00
15 changed files with 314 additions and 127 deletions

View File

@@ -28,7 +28,7 @@ libpgf_la_SOURCES = \
pgf/namespace.h
libpgf_la_LDFLAGS = -no-undefined
libpgf_la_LIBADD = -lrt
# libpgf_la_LIBADD = -lrt
libpgf_la_CXXFLAGS = -fno-rtti -std=c++11
bin_PROGRAMS =

View File

@@ -123,7 +123,7 @@ struct PGF_INTERNAL_DECL PgfPGF {
static void release(ref<PgfPGF> pgf);
};
extern PGF_INTERNAL_DECL
PgfText master;
extern PGF_INTERNAL_DECL size_t master_size;
extern PGF_INTERNAL_DECL char master_text[];
#endif

View File

@@ -883,8 +883,16 @@ object PgfDB::malloc_internal(size_t bytes)
throw pgf_systemerror(errno, filepath);
}
// OSX mman and mman-win32 do not implement mremap or MREMAP_MAYMOVE
#ifndef MREMAP_MAYMOVE
if (munmap(ms, old_size) == -1)
throw pgf_systemerror(errno);
malloc_state* new_ms =
(malloc_state*) mmap(0, new_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
#else
malloc_state* new_ms =
(malloc_state*) mremap(ms, old_size, new_size, MREMAP_MAYMOVE);
#endif
if (new_ms == MAP_FAILED)
throw pgf_systemerror(errno);

View File

@@ -239,13 +239,15 @@ PgfExprParser::~PgfExprParser()
free(token_value);
}
uint32_t PgfExprParser::getc()
bool PgfExprParser::getc()
{
uint32_t ch = pgf_utf8_decode((const uint8_t **) &pos);
if (pos - ((const char*) &inp->text) > inp->size) {
ch = EOF;
}
return ch;
if (pos - ((const char*) &inp->text) >= inp->size) {
ch = ' ';
return false;
}
ch = pgf_utf8_decode((const uint8_t **) &pos);
return true;
}
void PgfExprParser::putc(uint32_t ucs)
@@ -256,7 +258,7 @@ void PgfExprParser::putc(uint32_t ucs)
ucs < 0x10000 ? 3 :
ucs < 0x200000 ? 4 :
ucs < 0x4000000 ? 5 :
6
6
);
size_t len = token_value ? token_value->size : 0;
@@ -313,10 +315,12 @@ pgf_is_normal_ident(PgfText *id)
return true;
}
void PgfExprParser::str_char()
bool PgfExprParser::str_char()
{
if (ch == '\\') {
ch = getc();
if (!getc())
return false;
switch (ch) {
case '\\':
putc('\\');
@@ -340,14 +344,14 @@ void PgfExprParser::str_char()
putc('\t');
break;
case '0':
puts("\0");
putc('\0');
default:
return;
return false;
}
} else {
putc(ch);
}
ch = getc();
return getc();
}
void PgfExprParser::token()
@@ -361,86 +365,91 @@ void PgfExprParser::token()
while (isspace(ch)) {
token_pos = pos;
ch = getc();
if (!getc()) {
token_tag = PGF_TOKEN_EOF;
return;
}
}
switch (ch) {
case EOF:
token_tag = PGF_TOKEN_EOF;
break;
case '(':
ch = getc();
getc();
token_tag = PGF_TOKEN_LPAR;
break;
case ')':
ch = getc();
getc();
token_tag = PGF_TOKEN_RPAR;
break;
case '{':
ch = getc();
getc();
token_tag = PGF_TOKEN_LCURLY;
break;
case '}':
ch = getc();
getc();
token_tag = PGF_TOKEN_RCURLY;
break;
case '<':
ch = getc();
getc();
token_tag = PGF_TOKEN_LTRIANGLE;
break;
case '>':
ch = getc();
getc();
token_tag = PGF_TOKEN_RTRIANGLE;
break;
case '?':
ch = getc();
getc();
token_tag = PGF_TOKEN_QUESTION;
break;
case '\\':
ch = getc();
getc();
token_tag = PGF_TOKEN_LAMBDA;
break;
case '-':
ch = getc();
if (ch == '>') {
ch = getc();
token_tag = PGF_TOKEN_RARROW;
} else if (isdigit(ch)) {
putc('-');
goto digit;
if (getc()) {
if (ch == '>') {
getc();
token_tag = PGF_TOKEN_RARROW;
} else if (isdigit(ch)) {
putc('-');
goto digit;
}
}
break;
case ',':
ch = getc();
getc();
token_tag = PGF_TOKEN_COMMA;
break;
case ':':
ch = getc();
getc();
token_tag = PGF_TOKEN_COLON;
break;
case ';':
ch = getc();
getc();
token_tag = PGF_TOKEN_SEMI;
break;
case '\'': {
ch = getc();
while (ch != '\'' && ch != EOF) {
str_char();
}
if (ch == '\'') {
ch = getc();
token_tag = PGF_TOKEN_IDENT;
}
if (getc()) {
while (ch != '\'') {
if (!str_char())
break;
}
if (ch == '\'') {
getc();
token_tag = PGF_TOKEN_IDENT;
}
}
break;
}
case '"': {
ch = getc();
while (ch != '"' && ch != EOF) {
str_char();
}
if (ch == '"') {
ch = getc();
token_tag = PGF_TOKEN_STR;
if (getc()) {
while (ch != '"') {
if (!str_char())
break;
}
if (ch == '"') {
getc();
token_tag = PGF_TOKEN_STR;
}
}
break;
}
@@ -448,28 +457,34 @@ void PgfExprParser::token()
if (pgf_is_ident_first(ch)) {
do {
putc(ch);
ch = getc();
if (!getc())
break;
} while (pgf_is_ident_rest(ch));
token_tag = PGF_TOKEN_IDENT;
if (token_value->size == 1 && strcmp(token_value->text,"_")==0)
token_tag = PGF_TOKEN_WILD;
else
token_tag = PGF_TOKEN_IDENT;
} else if (isdigit(ch)) {
digit:
do {
putc(ch);
ch = getc();
if (!getc())
break;
} while (isdigit(ch));
if (ch == '.') {
putc(ch);
ch = getc();
while (isdigit(ch)) {
putc(ch);
ch = getc();
}
if (ch == '.') {
putc(ch);
if (getc()) {
while (isdigit(ch)) {
putc(ch);
if (!getc())
break;
}
}
token_tag = PGF_TOKEN_FLT;
} else {
token_tag = PGF_TOKEN_INT;
}
} else {
token_tag = PGF_TOKEN_INT;
}
}
break;
}
@@ -479,7 +494,8 @@ digit:
bool PgfExprParser::lookahead(int ch)
{
while (isspace(this->ch)) {
this->ch = getc();
if (!getc())
break;
}
return (this->ch == ch);
@@ -615,8 +631,6 @@ PgfExpr PgfExprParser::parse_arg()
return arg;
}
PGF_INTERNAL PgfText wildcard = {size: 1, text: {'_',0}};
PgfBind *PgfExprParser::parse_bind(PgfBind *next)
{
PgfBind *last = next;
@@ -629,10 +643,8 @@ PgfBind *PgfExprParser::parse_bind(PgfBind *next)
for (;;) {
PgfText *var;
if (token_tag == PGF_TOKEN_IDENT) {
if (token_tag == PGF_TOKEN_IDENT || token_tag == PGF_TOKEN_WILD) {
var = token_value;
} else if (token_tag == PGF_TOKEN_WILD) {
var = &wildcard;
} else {
goto error;
}
@@ -771,10 +783,8 @@ bool PgfExprParser::parse_hypos(size_t *n_hypos, PgfTypeHypo **hypos)
}
PgfText *var;
if (token_tag == PGF_TOKEN_IDENT) {
if (token_tag == PGF_TOKEN_IDENT || token_tag == PGF_TOKEN_WILD) {
var = token_value;
} else if (token_tag == PGF_TOKEN_WILD) {
var = &wildcard;
} else {
return false;
}
@@ -807,6 +817,18 @@ bool PgfExprParser::parse_hypos(size_t *n_hypos, PgfTypeHypo **hypos)
return true;
}
static
PgfText *mk_wildcard()
{
PgfText *t = (PgfText *) malloc(sizeof(PgfText)+2);
if (t != NULL) {
t->size = 1;
t->text[0] = '_';
t->text[1] = 0;
}
return t;
}
PgfType PgfExprParser::parse_type()
{
PgfType type = 0;
@@ -826,7 +848,7 @@ PgfType PgfExprParser::parse_type()
size_t n_start = n_hypos;
if ((token_tag == PGF_TOKEN_IDENT &&
(lookahead(',') ||
(lookahead(',') ||
lookahead(':'))) ||
(token_tag == PGF_TOKEN_LCURLY) ||
(token_tag == PGF_TOKEN_WILD)) {
@@ -842,7 +864,7 @@ PgfType PgfExprParser::parse_type()
hypos = (PgfTypeHypo*) realloc(hypos, sizeof(PgfTypeHypo)*(n_hypos+1));
PgfTypeHypo *bt = &hypos[n_hypos];
bt->bind_type = PGF_BIND_TYPE_EXPLICIT;
bt->cid = textdup(&wildcard);
bt->cid = mk_wildcard();
bt->type = 0;
n_hypos++;
}
@@ -889,7 +911,7 @@ PgfType PgfExprParser::parse_type()
hypos = (PgfTypeHypo*) realloc(hypos, sizeof(PgfTypeHypo)*(n_hypos+1));
PgfTypeHypo *bt = &hypos[n_hypos];
bt->bind_type = PGF_BIND_TYPE_EXPLICIT;
bt->cid = textdup(&wildcard);
bt->cid = mk_wildcard();
bt->type = u->dtyp(0,NULL,cat,n_args,args);
n_hypos++;

View File

@@ -210,14 +210,14 @@ class PGF_INTERNAL_DECL PgfExprParser {
const char *token_pos, *pos;
uint32_t ch;
uint32_t getc();
bool getc();
void putc(uint32_t ch);
public:
PgfExprParser(PgfText* input, PgfUnmarshaller *unmarshaller);
~PgfExprParser();
void str_char();
bool str_char();
void token();
bool lookahead(int ch);
@@ -267,8 +267,6 @@ public:
prob_t get_prob() { return prob; };
};
PGF_INTERNAL_DECL extern PgfText wildcard;
/* The following functions release the memory in the database,
* allocated for values of the corresponding types.
*/

View File

@@ -2,6 +2,9 @@
#include <sys/mman.h>
#include <fcntl.h>
#include <unistd.h>
#include <errno.h>
#include <pthread.h>
#include "pgf/data.h"
typedef struct {

View File

@@ -1,5 +1,7 @@
#include <fcntl.h>
#include <math.h>
#include <errno.h>
#include "data.h"
#include "reader.h"
#include "writer.h"
@@ -28,8 +30,8 @@ pgf_exn_clear(PgfExn* err)
err->msg = strdup(e.what()); \
}
PGF_INTERNAL
PgfText master = {size: 6, text: {'m','a','s','t','e','r',0}};
PGF_INTERNAL size_t master_size = 6;
PGF_INTERNAL char master_text[] = {'m','a','s','t','e','r',0};
PGF_API
PgfDB *pgf_read_pgf(const char* fpath,
@@ -124,10 +126,14 @@ PgfDB *pgf_read_ngf(const char *fpath,
PGF_API_BEGIN {
db = new PgfDB(fpath, O_RDWR, 0);
PgfText *master = (PgfText *)alloca(sizeof(PgfText)+master_size+1);
master->size = master_size;
memcpy(&master->text, master_text, master_size+1);
{
DB_scope scope(db, WRITER_SCOPE);
ref<PgfPGF> pgf = PgfDB::get_revision(&master);
ref<PgfPGF> pgf = PgfDB::get_revision(master);
Node<PgfPGF>::add_value_ref(pgf);
*revision = pgf.as_object();
}
@@ -159,7 +165,7 @@ PgfDB *pgf_new_ngf(PgfText *abstract_name,
{
DB_scope scope(db, WRITER_SCOPE);
ref<PgfPGF> pgf = PgfDB::malloc<PgfPGF>(master.size+1);
ref<PgfPGF> pgf = PgfDB::malloc<PgfPGF>(master_size+1);
pgf->ref_count = 1;
pgf->major_version = PGF_MAJOR_VERSION;
pgf->minor_version = PGF_MINOR_VERSION;
@@ -171,7 +177,8 @@ PgfDB *pgf_new_ngf(PgfText *abstract_name,
pgf->abstract.cats = 0;
pgf->prev = 0;
pgf->next = 0;
memcpy(&pgf->name, &master, sizeof(PgfText)+master.size+1);
pgf->name.size = master_size;
memcpy(&pgf->name.text, master_text, master_size+1);
PgfDB::set_revision(pgf);
*revision = pgf.as_object();
@@ -269,7 +276,7 @@ void pgf_iter_categories(PgfDB *db, PgfRevision revision,
PGF_API_BEGIN {
DB_scope scope(db, READER_SCOPE);
ref<PgfPGF> pgf = PgfDB::revision2pgf(revision);
namespace_iter(pgf->abstract.cats, itor, err);
} PGF_API_END
}
@@ -671,7 +678,7 @@ void pgf_create_function(PgfDB *db, PgfRevision revision,
ref<PgfExprFun>::from_ptr((PgfExprFun*) &absfun->name);
absfun->ep.expr = ref<PgfExprFun>::tagged(efun);
memcpy(&absfun->name, name, sizeof(PgfText)+name->size+1);
Namespace<PgfAbsFun> funs =
namespace_insert(pgf->abstract.funs, absfun);
namespace_release(pgf->abstract.funs);

View File

@@ -382,7 +382,7 @@ PgfLiteral PgfPrinter::lstr(PgfText *v)
void PgfPrinter::hypo(PgfTypeHypo *hypo, int prio)
{
if (textcmp(hypo->cid, &wildcard) == 0) {
if (hypo->cid->size == 1 && strcmp(hypo->cid->text, "_") == 0) {
this->prio = prio;
m->match_type(this, hypo->type);
} else {

View File

@@ -430,7 +430,7 @@ void PgfReader::read_abstract(ref<PgfAbstr> abstract)
ref<PgfPGF> PgfReader::read_pgf()
{
ref<PgfPGF> pgf = PgfDB::malloc<PgfPGF>(master.size+1);
ref<PgfPGF> pgf = PgfDB::malloc<PgfPGF>(master_size+1);
pgf->ref_count = 1;
pgf->major_version = read_u16be();
@@ -448,7 +448,8 @@ ref<PgfPGF> PgfReader::read_pgf()
pgf->prev = 0;
pgf->next = 0;
memcpy(&pgf->name, &master, sizeof(PgfText)+master.size+1);
pgf->name.size = master_size;
memcpy(&pgf->name.text, master_text, master_size+1);
return pgf;
}

View File

@@ -50,7 +50,7 @@ test-suite basic
default-language: Haskell2010
build-depends:
base,
HUnit,
HUnit >= 1.6.1.0,
random,
directory,
pgf2
@@ -61,5 +61,5 @@ test-suite transactions
default-language: Haskell2010
build-depends:
base,
HUnit,
HUnit >= 1.6.1.0,
pgf2

View File

@@ -1,3 +1,5 @@
# This is mainly here so that I can run `stack sdist` for uploading to Hackage
resolver: lts-12.26 # ghc 8.4.4
extra-deps:
- HUnit-1.6.2.0@sha256:1a79174e8af616117ad39464cac9de205ca923da6582825e97c10786fda933a4,1588
- call-stack-0.4.0@sha256:ac44d2c00931dc20b01750da8c92ec443eb63a7231e8550188cb2ac2385f7feb,1200

View File

@@ -10,10 +10,37 @@ export class Type {
}
}
export function mkType (hypos: Hypo[], name: string, exprs: Expr[]): Type {
return new Type(hypos, name, exprs)
}
export enum BindType {
Explicit,
Implicit
}
export class Hypo {
bind_type!: boolean
var!: string
type!: Type
bind_type: BindType
var: string
type: Type
constructor (bt: BindType, v: string, t: Type) {
this.bind_type = bt
this.var = v
this.type = t
}
}
export function mkHypo (type: Type): Hypo {
return new Hypo(BindType.Explicit, '_', type)
}
export function mkDepHypo (vr: string, type: Type): Hypo {
return new Hypo(BindType.Explicit, vr, type)
}
export function mkImplHypo (vr: string, type: Type): Hypo {
return new Hypo(BindType.Implicit, vr, type)
}
export class Expr {

View File

@@ -48,15 +48,22 @@ export const PgfTextPtr = ref.refType(PgfText)
export const PgfItorPtr = ref.refType(ref.types.void)
const PgfType = ref.refType(ref.types.Object) // TODO
// const PgfTypePtr = ref.refType(PgfType)
const PgfType = ref.refType(ref.types.Object)
const PgfTypeHypo = ref.types.void // TODO
const PgfTypeHypoPtr = ref.refType(PgfTypeHypo)
const PgfTypeHypo = Struct({
bind_type: ref.types.int,
cid: PgfTextPtr,
type: PgfType
})
export const PgfExpr = ref.refType(ref.types.Object)
export const PgfLiteral = ref.refType(ref.types.Object)
// export const PgfTypePtr = ref.refType(PgfType)
export const PgfTypeHypoPtr = ref.refType(PgfTypeHypo)
export const PgfExprPtr = ref.refType(PgfExpr)
// export const PgfLiteralPtr = ref.refType(PgfLiteral)
const PgfMetaId = ref.types.int
const PgfPrintContext = ref.types.void // TODO
@@ -158,7 +165,7 @@ export function PgfText_FromString (str: string): Pointer<any> {
// ----------------------------------------------------------------------------
// Un/marshalling
const eabs = ffi.Callback(PgfExpr, [PgfUnmarshaller, ref.types.bool, PgfTextPtr, PgfExpr],
const eabs = ffi.Callback(PgfExpr, [PgfUnmarshallerPtr, ref.types.bool, PgfTextPtr, PgfExpr],
function (self, btype: boolean, name: Pointer<any>, body: Pointer<Expr>): Pointer<ExprAbs> {
const jsname = PgfText_AsString(name)
const obj = new ExprAbs(btype, jsname, body.deref())
@@ -167,7 +174,7 @@ const eabs = ffi.Callback(PgfExpr, [PgfUnmarshaller, ref.types.bool, PgfTextPtr,
return buf
})
const eapp = ffi.Callback(PgfExpr, [PgfUnmarshaller, PgfExpr, PgfExpr],
const eapp = ffi.Callback(PgfExpr, [PgfUnmarshallerPtr, PgfExpr, PgfExpr],
function (self, fun: Pointer<Expr>, arg: Pointer<Type>): Pointer<ExprApp> {
const obj = new ExprApp(fun.deref(), arg.deref())
const buf = ref.alloc(ref.types.Object) as Pointer<ExprApp>
@@ -175,7 +182,7 @@ const eapp = ffi.Callback(PgfExpr, [PgfUnmarshaller, PgfExpr, PgfExpr],
return buf
})
const elit = ffi.Callback(PgfExpr, [PgfUnmarshaller, PgfLiteral],
const elit = ffi.Callback(PgfExpr, [PgfUnmarshallerPtr, PgfLiteral],
function (self, lit: Pointer<Literal>): Pointer<ExprLit> {
const litObj = lit.deref()
const obj = new ExprLit(litObj)
@@ -184,7 +191,7 @@ const elit = ffi.Callback(PgfExpr, [PgfUnmarshaller, PgfLiteral],
return buf
})
const emeta = ffi.Callback(PgfExpr, [PgfUnmarshaller, PgfMetaId],
const emeta = ffi.Callback(PgfExpr, [PgfUnmarshallerPtr, PgfMetaId],
function (self, meta: number): Pointer<ExprMeta> {
const obj = new ExprMeta(meta)
const buf = ref.alloc(ref.types.Object) as Pointer<ExprMeta>
@@ -192,7 +199,7 @@ const emeta = ffi.Callback(PgfExpr, [PgfUnmarshaller, PgfMetaId],
return buf
})
const efun = ffi.Callback(PgfExpr, [PgfUnmarshaller, PgfTextPtr],
const efun = ffi.Callback(PgfExpr, [PgfUnmarshallerPtr, PgfTextPtr],
function (self, name: Pointer<any>): Pointer<ExprFun> {
const jsname = PgfText_AsString(name)
const obj = new ExprFun(jsname)
@@ -201,7 +208,7 @@ const efun = ffi.Callback(PgfExpr, [PgfUnmarshaller, PgfTextPtr],
return buf
})
const evar = ffi.Callback(PgfExpr, [PgfUnmarshaller, ref.types.int],
const evar = ffi.Callback(PgfExpr, [PgfUnmarshallerPtr, ref.types.int],
function (self, index: number): Pointer<ExprVar> {
const obj = new ExprVar(index)
const buf = ref.alloc(ref.types.Object) as Pointer<ExprVar>
@@ -209,7 +216,7 @@ const evar = ffi.Callback(PgfExpr, [PgfUnmarshaller, ref.types.int],
return buf
})
const etyped = ffi.Callback(PgfExpr, [PgfUnmarshaller, PgfExpr, PgfType],
const etyped = ffi.Callback(PgfExpr, [PgfUnmarshallerPtr, PgfExpr, PgfType],
function (self, expr: Pointer<Expr>, type: Pointer<Type>): Pointer<ExprTyped> {
const obj = new ExprTyped(expr.deref(), type.deref())
const buf = ref.alloc(ref.types.Object) as Pointer<ExprTyped>
@@ -217,7 +224,7 @@ const etyped = ffi.Callback(PgfExpr, [PgfUnmarshaller, PgfExpr, PgfType],
return buf
})
const eimplarg = ffi.Callback(PgfExpr, [PgfUnmarshaller, PgfExpr],
const eimplarg = ffi.Callback(PgfExpr, [PgfUnmarshallerPtr, PgfExpr],
function (self, expr: Pointer<Expr>): Pointer<ExprImplArg> {
const obj = new ExprImplArg(expr.deref())
const buf = ref.alloc(ref.types.Object) as Pointer<ExprImplArg>
@@ -225,7 +232,7 @@ const eimplarg = ffi.Callback(PgfExpr, [PgfUnmarshaller, PgfExpr],
return buf
})
const lint = ffi.Callback(PgfLiteral, [PgfUnmarshaller, ref.types.size_t, ref.refType(ref.types.int)],
const lint = ffi.Callback(PgfLiteral, [PgfUnmarshallerPtr, ref.types.size_t, ref.refType(ref.types.int)],
function (self, size: number, val: Pointer<number>): Pointer<Literal> {
let jsval: number | bigint = 0
if (size === 1) {
@@ -263,7 +270,7 @@ const lint = ffi.Callback(PgfLiteral, [PgfUnmarshaller, ref.types.size_t, ref.re
return buf
})
const lflt = ffi.Callback(PgfLiteral, [PgfUnmarshaller, ref.types.double],
const lflt = ffi.Callback(PgfLiteral, [PgfUnmarshallerPtr, ref.types.double],
function (self, val: number): Pointer<Literal> {
const obj = new Literal(val)
const buf = ref.alloc(ref.types.Object) as Pointer<Literal>
@@ -271,7 +278,7 @@ const lflt = ffi.Callback(PgfLiteral, [PgfUnmarshaller, ref.types.double],
return buf
})
const lstr = ffi.Callback(PgfLiteral, [PgfUnmarshaller, PgfTextPtr],
const lstr = ffi.Callback(PgfLiteral, [PgfUnmarshallerPtr, PgfTextPtr],
function (self, val: Pointer<any>): Pointer<Literal> {
const jsval = PgfText_AsString(val)
const obj = new Literal(jsval)
@@ -280,19 +287,36 @@ const lstr = ffi.Callback(PgfLiteral, [PgfUnmarshaller, PgfTextPtr],
return buf
})
const dtyp = ffi.Callback(PgfType, [PgfUnmarshaller, ref.types.int, PgfTypeHypoPtr, PgfTextPtr, ref.types.int, ref.refType(PgfExpr)],
const dtyp = ffi.Callback(PgfType, [PgfUnmarshallerPtr, ref.types.int, PgfTypeHypoPtr, PgfTextPtr, ref.types.int, PgfExprPtr],
function (self, n_hypos: number, hypos: Pointer<any>, cat: Pointer<any>, n_exprs: number, exprs: Pointer<any>): Pointer<Type> {
// TODO
const jshypos: Hypo[] = []
if (n_hypos > 0) {
const hyposArr = hypos.reinterpret(PgfTypeHypo.size * n_hypos, 0)
for (let i = 0; i < n_hypos; i++) {
const hypo = ref.get(hyposArr, PgfTypeHypo.size * i, PgfTypeHypo)
const h = new Hypo(hypo.bind_type, PgfText_AsString(hypo.cid), hypo.type.deref() as Type)
jshypos.push(h)
}
}
const jsname = PgfText_AsString(cat)
const jsexprs: Expr[] = []
if (n_exprs > 0) {
const exprsArr = exprs.reinterpret(PgfExpr.size * n_exprs, 0)
for (let i = 0; i < n_exprs; i++) {
const expr = ref.get(exprsArr, PgfExpr.size * i, PgfExpr)
jsexprs.push(expr.deref() as Expr)
}
}
const obj = new Type(jshypos, jsname, jsexprs)
const buf = ref.alloc(ref.types.Object) as Pointer<Type>
ref.writeObject(buf, 0, obj)
return buf
})
const free_ref = ffi.Callback(ref.types.void, [PgfUnmarshaller, ref.refType(ref.types.Object)],
const free_ref = ffi.Callback(ref.types.void, [PgfUnmarshallerPtr, ref.refType(ref.types.Object)],
function (self, x: Pointer<any>): void {
})
@@ -314,17 +338,17 @@ const un_vtbl = new PgfUnmarshallerVtbl({
export const unmarshaller = new PgfUnmarshaller({ vtbl: un_vtbl.ref() })
const match_lit = ffi.Callback(ref.types.Object, [PgfMarshaller, PgfUnmarshaller, PgfLiteral],
const match_lit = ffi.Callback(ref.types.Object, [PgfMarshallerPtr, PgfUnmarshallerPtr, PgfLiteral],
function (self, u: any, lit: any): Pointer<any> {
return 0 as any
})
const match_expr = ffi.Callback(ref.types.Object, [PgfMarshaller, PgfUnmarshaller, PgfExpr],
const match_expr = ffi.Callback(ref.types.Object, [PgfMarshallerPtr, PgfUnmarshallerPtr, PgfExpr],
function (self, u: any, expr: any): Pointer<any> {
return 0 as any
})
const match_type = ffi.Callback(ref.types.Object, [PgfMarshaller, PgfUnmarshaller, PgfType],
const match_type = ffi.Callback(ref.types.Object, [PgfMarshallerPtr, PgfUnmarshallerPtr, PgfType],
function (self, u: any, type: any): Pointer<any> {
return 0 as any
})

View File

@@ -2,8 +2,8 @@
import errno from './errno'
import {
Type,
Hypo,
Type, mkType,
Hypo, mkHypo, mkDepHypo, mkImplHypo,
Expr,
ExprAbs,
ExprApp,
@@ -229,6 +229,10 @@ function readExpr (str: string): Expr {
return ref.readObject(expr) as Expr
}
function showType (context: string[], type: Type): string {
return 'TODO'
}
// ----------------------------------------------------------------------------
// Exposed library API
@@ -242,9 +246,14 @@ export {
readType,
readExpr,
showType,
Type,
mkType,
Hypo,
mkHypo,
mkDepHypo,
mkImplHypo,
Expr,
ExprAbs,
ExprApp,
@@ -266,9 +275,14 @@ export default {
readType,
readExpr,
showType,
Type,
mkType,
Hypo,
mkHypo,
mkDepHypo,
mkImplHypo,
Expr,
ExprAbs,
ExprApp,

View File

@@ -2,14 +2,18 @@ import PGF, {
PGFError,
PGFGrammar,
// Type,
mkType,
// Hypo,
mkHypo,
mkDepHypo,
mkImplHypo,
// Expr,
// ExprAbs,
ExprApp,
ExprLit,
ExprMeta,
ExprFun,
// ExprVar,
ExprVar,
// ExprTyped,
ExprImplArg
// Literal
@@ -225,10 +229,87 @@ describe('abstract syntax', () => {
// ----------------------------------------------------------------------------
describe('types', () => {
test('invalid', () => {
expect(() => {
PGF.readType('->')
}).toThrow(PGFError)
describe('read', () => {
test('invalid', () => {
expect(() => {
PGF.readType('->')
}).toThrow(PGFError)
})
test('1', () => {
const t1 = PGF.readType('A')
const t2 = PGF.readType('A')
const t3 = PGF.readType('B')
expect(t1).toEqual(t2)
expect(t1).not.toEqual(t3)
})
test('2', () => {
const t1 = PGF.readType('A -> B')
const t2 = PGF.readType('A->B')
const t3 = PGF.readType('B->B')
expect(t1).toEqual(t2)
expect(t1).not.toEqual(t3)
})
test('3', () => {
const t1 = PGF.readType('A -> B -> C')
const t2 = PGF.readType('A->B -> C')
expect(t1).toEqual(t2)
})
test('4', () => {
const t1 = PGF.readType('(x : N) -> P x')
const t2 = mkType([mkDepHypo('x', mkType([], 'N', []))], 'P', [new ExprFun('x')])
expect(t1).toEqual(t2)
})
})
describe.skip('show', () => {
test('1', () => {
const type = mkType([], 'N', [])
expect(PGF.showType([], type)).toEqual('N')
})
test('2', () => {
const type = mkType([mkHypo(mkType([], 'N', []))], 'N', [])
expect(PGF.showType([], type)).toEqual('N -> N')
})
test('3', () => {
const type = mkType([mkHypo(mkType([mkHypo(mkType([], 'N', []))], 'N', []))], 'N', [])
expect(PGF.showType([], type)).toEqual('(N -> N) -> N')
})
test('4', () => {
const type = mkType([mkDepHypo('x', mkType([], 'N', []))], 'P', [new ExprVar(0)])
expect(PGF.showType([], type)).toEqual('(x : N) -> P x')
})
test('5', () => {
const type = mkType([mkDepHypo('f', mkType([mkHypo(mkType([], 'N', []))], 'N', []))], 'P', [new ExprApp(new ExprVar(0), new ExprFun('z'))])
expect(PGF.showType([], type)).toEqual('(f : N -> N) -> P (f z)')
})
test('6', () => {
const type = mkType([mkDepHypo('f', mkType([mkHypo(mkType([], 'N', []))], 'N', []))], 'P', [new ExprApp(new ExprVar(0), new ExprVar(1))])
expect(PGF.showType(['n'], type)).toEqual('(f : N -> N) -> P (f n)')
})
test('7', () => {
const type = mkType([mkImplHypo('f', mkType([mkHypo(mkType([], 'N', []))], 'N', []))], 'P', [new ExprApp(new ExprVar(0), new ExprVar(1))])
expect(PGF.showType(['n'], type)).toEqual('({f} : N -> N) -> P (f n)')
})
test('8', () => {
const type = mkType([mkDepHypo('x', mkType([], 'N', [])), mkHypo(mkType([], 'P', [new ExprVar(0)]))], 'S', [])
expect(PGF.showType(['n'], type)).toEqual('(x : N) -> P x -> S')
})
test('9', () => {
const type = mkType([mkDepHypo('x', mkType([], 'N', [])), mkDepHypo('y', mkType([], 'P', [new ExprVar(0)]))], 'S', [])
expect(PGF.showType(['n'], type)).toEqual('(x : N) -> (y : P x) -> S')
})
})
})