!58 Support read() builtin

* support read(-1)
* add example

examples/BuiltIn/file.py

@@ -0,0 +1,11 @@
+f = open('test/python/main.py', 'r')
+s = f.read(10)
+print(s)
+f.close()
+f = open('test/assets/test.jpg', 'rb')
+b = f.read(-1)
+print(b)
+f.close()
+f = open('test/assets/write.txt', 'w')
+f.write('Hello World!\n')
+f.close()

examples/PikaMath/Quaternion_test.py

@@ -0,0 +1,11 @@
+import PikaMath
+
+a=Quaternion()
+a.set(0.592,0.158,0.592,0.525)
+
+b=Quaternion()
+
+a.add(b)
+a.mul(b)
+
+

package/PikaStdLib/PikaStdData.pyi

@@ -94,6 +94,13 @@ class ByteArray(TinyObj):
     def decode(self) -> str: ...
 
 
+class FILEIO:
+    def init(self, path: str, mode: str): ...
+    def read(self, size: int) -> any: ...
+    def write(self, s: any): ...
+    def close(self): ...
+
+
 class Utils:
     # convert a int to bytes
     def int_to_bytes(self, val: int) -> bytes: ...

package/PikaStdLib/PikaStdData_FILEIO.c

@@ -0,0 +1,68 @@
+#include "PikaStdData_FILEIO.h"
+#include <stdio.h>
+
+void PikaStdData_FILEIO_init(PikaObj* self, char* mode, char* path) {
+    if (obj_isArgExist(self, "_f")) {
+        /* already initialized */
+        return;
+    }
+    FILE* f = __platform_fopen(path, mode);
+    if (f == NULL) {
+        printf("Error: can't open file %s\n", path);
+        return;
+    }
+    obj_setPtr(self, "_f", f);
+    obj_setStr(self, "_mode", mode);
+}
+
+void PikaStdData_FILEIO_close(PikaObj* self) {
+    FILE* f = obj_getPtr(self, "_f");
+    if (f == NULL) {
+        return;
+    }
+    __platform_fclose(f);
+    obj_setPtr(self, "_f", NULL);
+}
+
+Arg* PikaStdData_FILEIO_read(PikaObj* self, int size) {
+    FILE* f = obj_getPtr(self, "_f");
+    if (f == NULL) {
+        return NULL;
+    }
+    Arg* buf_arg = arg_setBytes(NULL, "", NULL, size);
+    uint8_t* buf = arg_getBytes(buf_arg);
+    /* read */
+    int n = __platform_fread(buf, 1, size, f);
+    if (n < size) {
+        /* EOF */
+        buf[n] = '\0';
+    }
+    char* mode = obj_getStr(self, "_mode");
+    if (strIsContain(mode, 'b')) {
+        /* binary */
+        return buf_arg;
+    } else {
+        /* text */
+        Arg* res = arg_setStr(NULL, "", (char*)buf);
+        arg_deinit(buf_arg);
+        return res;
+    }
+}
+
+void PikaStdData_FILEIO_write(PikaObj* self, Arg* s) {
+    FILE* f = obj_getPtr(self, "_f");
+    if (f == NULL) {
+        obj_setErrorCode(self, PIKA_RES_ERR_IO);
+        __platform_printf("Error: can't write to file\n");
+        return;
+    }
+    char* mode = obj_getStr(self, "_mode");
+    if (strIsContain(mode, 'b')) {
+        /* binary */
+        __platform_fwrite(arg_getBytes(s), 1, arg_getSize(s), f);
+    } else {
+        /* text */
+        char* str = arg_getStr(s);
+        __platform_fwrite(str, 1, strlen(str), f);
+    }
+}

package/PikaStdLib/PikaStdLib.pyi

@@ -7,27 +7,50 @@ class MemChecker:
 
 
 class SysObj:
-    def type(self, arg: any) -> any: ...
-    def remove(self, argPath: str): ...
-    def int(self, arg: any) -> int: ...
-    def float(self, arg: any) -> float: ...
-    def str(self, arg: any) -> str: ...
-    def iter(self, arg: any) -> any: ...
-    def range(self, a1: int, a2: int) -> any: ...
-    def print(self, *val): ...
-    def printNoEnd(self, val: any): ...
-    def __set__(self, obj: any, key: any, val: any) -> any: ...
-    def __get__(self, obj: any, key: any) -> any: ...
-    def __slice__(self, obj: any, start: any, end: any, step: int) -> any: ...
-    def len(self, arg: any) -> int: ...
-    def list(self) -> any: ...
-    def dict(self) -> any: ...
-    def hex(self, val: int) -> str: ...
-    def ord(self, val: str) -> int: ...
-    def chr(self, val: int) -> str: ...
-    def bytes(self, val: any) -> bytes: ...
-    def cformat(self, fmt: str, *var) -> str: ...
-    def id(self, obj: any) -> int: ...
+    @staticmethod
+    def type(arg: any) -> any: ...
+    @staticmethod
+    def remove(argPath: str): ...
+    @staticmethod
+    def int(arg: any) -> int: ...
+    @staticmethod
+    def float(arg: any) -> float: ...
+    @staticmethod
+    def str(arg: any) -> str: ...
+    @staticmethod
+    def iter(arg: any) -> any: ...
+    @staticmethod
+    def range(a1: int, a2: int) -> any: ...
+    @staticmethod
+    def print(*val): ...
+    @staticmethod
+    def printNoEnd(val: any): ...
+    @staticmethod
+    def __set__(obj: any, key: any, val: any) -> any: ...
+    @staticmethod
+    def __get__(obj: any, key: any) -> any: ...
+    @staticmethod
+    def __slice__(obj: any, start: any, end: any, step: int) -> any: ...
+    @staticmethod
+    def len(arg: any) -> int: ...
+    @staticmethod
+    def list() -> any: ...
+    @staticmethod
+    def dict() -> any: ...
+    @staticmethod
+    def hex(val: int) -> str: ...
+    @staticmethod
+    def ord(val: str) -> int: ...
+    @staticmethod
+    def chr(val: int) -> str: ...
+    @staticmethod
+    def bytes(val: any) -> bytes: ...
+    @staticmethod
+    def cformat(fmt: str, *var) -> str: ...
+    @staticmethod
+    def id(obj: any) -> int: ...
+    @staticmethod
+    def open(path: str, mode: str) -> object: ...
 
 
 class RangeObj:

package/PikaStdLib/PikaStdLib_SysObj.c

@@ -1,4 +1,5 @@
 #include "PikaStdLib_SysObj.h"
+#include "PikaStdData_FILEIO.h"
 #include "PikaStdLib_RangeObj.h"
 #include "PikaStdLib_StringObj.h"
 #include "PikaVM.h"
@@ -452,3 +453,15 @@ int PikaStdLib_SysObj_id(PikaObj* self, Arg* obj) {
     }
     return ptr & (0x7FFFFFFF);
 }
+
+PikaObj* PikaStdLib_SysObj_open(PikaObj* self, char* mode, char* path) {
+#if PIKA_FILEIO_ENABLE
+    PikaObj* file = newNormalObj(New_PikaStdData_FILEIO);
+    PikaStdData_FILEIO_init(file, mode, path);
+    return file;
+#else
+    obj_setErrorCode(self, 1);
+    __platform_printf("[Error] PIKA_FILEIO_ENABLE is not enabled.\r\n");
+    return NULL;
+#endif
+}

port/linux/package/pikascript/PikaStdData.pyi

@@ -94,6 +94,13 @@ class ByteArray(TinyObj):
     def decode(self) -> str: ...
 
 
+class FILEIO:
+    def init(self, path: str, mode: str): ...
+    def read(self, size: int) -> any: ...
+    def write(self, s: any): ...
+    def close(self): ...
+
+
 class Utils:
     # convert a int to bytes
     def int_to_bytes(self, val: int) -> bytes: ...

port/linux/package/pikascript/PikaStdLib.pyi

@@ -7,27 +7,50 @@ class MemChecker:
 
 
 class SysObj:
-    def type(self, arg: any) -> any: ...
-    def remove(self, argPath: str): ...
-    def int(self, arg: any) -> int: ...
-    def float(self, arg: any) -> float: ...
-    def str(self, arg: any) -> str: ...
-    def iter(self, arg: any) -> any: ...
-    def range(self, a1: int, a2: int) -> any: ...
-    def print(self, *val): ...
-    def printNoEnd(self, val: any): ...
-    def __set__(self, obj: any, key: any, val: any) -> any: ...
-    def __get__(self, obj: any, key: any) -> any: ...
-    def __slice__(self, obj: any, start: any, end: any, step: int) -> any: ...
-    def len(self, arg: any) -> int: ...
-    def list(self) -> any: ...
-    def dict(self) -> any: ...
-    def hex(self, val: int) -> str: ...
-    def ord(self, val: str) -> int: ...
-    def chr(self, val: int) -> str: ...
-    def bytes(self, val: any) -> bytes: ...
-    def cformat(self, fmt: str, *var) -> str: ...
-    def id(self, obj: any) -> int: ...
+    @staticmethod
+    def type(arg: any) -> any: ...
+    @staticmethod
+    def remove(argPath: str): ...
+    @staticmethod
+    def int(arg: any) -> int: ...
+    @staticmethod
+    def float(arg: any) -> float: ...
+    @staticmethod
+    def str(arg: any) -> str: ...
+    @staticmethod
+    def iter(arg: any) -> any: ...
+    @staticmethod
+    def range(a1: int, a2: int) -> any: ...
+    @staticmethod
+    def print(*val): ...
+    @staticmethod
+    def printNoEnd(val: any): ...
+    @staticmethod
+    def __set__(obj: any, key: any, val: any) -> any: ...
+    @staticmethod
+    def __get__(obj: any, key: any) -> any: ...
+    @staticmethod
+    def __slice__(obj: any, start: any, end: any, step: int) -> any: ...
+    @staticmethod
+    def len(arg: any) -> int: ...
+    @staticmethod
+    def list() -> any: ...
+    @staticmethod
+    def dict() -> any: ...
+    @staticmethod
+    def hex(val: int) -> str: ...
+    @staticmethod
+    def ord(val: str) -> int: ...
+    @staticmethod
+    def chr(val: int) -> str: ...
+    @staticmethod
+    def bytes(val: any) -> bytes: ...
+    @staticmethod
+    def cformat(fmt: str, *var) -> str: ...
+    @staticmethod
+    def id(obj: any) -> int: ...
+    @staticmethod
+    def open(path: str, mode: str) -> object: ...
 
 
 class RangeObj:

port/linux/package/pikascript/pikascript-lib/PikaStdLib/PikaStdData_FILEIO.c

@@ -0,0 +1,74 @@
+#include "PikaStdData_FILEIO.h"
+#include <stdio.h>
+
+void PikaStdData_FILEIO_init(PikaObj* self, char* mode, char* path) {
+    if (obj_isArgExist(self, "_f")) {
+        /* already initialized */
+        return;
+    }
+    FILE* f = __platform_fopen(path, mode);
+    if (f == NULL) {
+        printf("Error: can't open file %s\n", path);
+        return;
+    }
+    obj_setPtr(self, "_f", f);
+    obj_setStr(self, "_mode", mode);
+}
+
+void PikaStdData_FILEIO_close(PikaObj* self) {
+    FILE* f = obj_getPtr(self, "_f");
+    if (f == NULL) {
+        return;
+    }
+    __platform_fclose(f);
+    obj_setPtr(self, "_f", NULL);
+}
+
+Arg* PikaStdData_FILEIO_read(PikaObj* self, int size) {
+    if (size <= 0) {
+        /* read all */
+        size = PIKA_READ_FILE_BUFF_SIZE;
+    }
+    FILE* f = obj_getPtr(self, "_f");
+    if (f == NULL) {
+        return NULL;
+    }
+    Arg* buf_arg = arg_setBytes(NULL, "", NULL, size);
+    uint8_t* buf = arg_getBytes(buf_arg);
+    /* read */
+    int n = __platform_fread(buf, 1, size, f);
+    if (n < size) {
+        /* EOF */
+        buf[n] = '\0';
+    }
+    char* mode = obj_getStr(self, "_mode");
+    if (strIsContain(mode, 'b')) {
+        /* binary */
+        Arg* res = arg_setBytes(NULL, "", buf, n);
+        arg_deinit(buf_arg);
+        return res;
+    } else {
+        /* text */
+        Arg* res = arg_setStr(NULL, "", (char*)buf);
+        arg_deinit(buf_arg);
+        return res;
+    }
+}
+
+void PikaStdData_FILEIO_write(PikaObj* self, Arg* s) {
+    FILE* f = obj_getPtr(self, "_f");
+    if (f == NULL) {
+        obj_setErrorCode(self, PIKA_RES_ERR_IO);
+        __platform_printf("Error: can't write to file\n");
+        return;
+    }
+    char* mode = obj_getStr(self, "_mode");
+    if (strIsContain(mode, 'b')) {
+        /* binary */
+        __platform_fwrite(arg_getBytes(s), 1, arg_getSize(s), f);
+    } else {
+        /* text */
+        char* str = arg_getStr(s);
+        __platform_fwrite(str, 1, strlen(str), f);
+    }
+}

port/linux/package/pikascript/pikascript-lib/PikaStdLib/PikaStdLib_SysObj.c

@@ -1,4 +1,5 @@
 #include "PikaStdLib_SysObj.h"
+#include "PikaStdData_FILEIO.h"
 #include "PikaStdLib_RangeObj.h"
 #include "PikaStdLib_StringObj.h"
 #include "PikaVM.h"
@@ -452,3 +453,15 @@ int PikaStdLib_SysObj_id(PikaObj* self, Arg* obj) {
     }
     return ptr & (0x7FFFFFFF);
 }
+
+PikaObj* PikaStdLib_SysObj_open(PikaObj* self, char* mode, char* path) {
+#if PIKA_FILEIO_ENABLE
+    PikaObj* file = newNormalObj(New_PikaStdData_FILEIO);
+    PikaStdData_FILEIO_init(file, mode, path);
+    return file;
+#else
+    obj_setErrorCode(self, 1);
+    __platform_printf("[Error] PIKA_FILEIO_ENABLE is not enabled.\r\n");
+    return NULL;
+#endif
+}

port/linux/test/stddata-test.cpp

@@ -84,3 +84,21 @@ TEST(stddata, encode_decode) {
     obj_deinit(pikaMain);
 }
 #endif
+
+#if PIKA_FILEIO_ENABLE
+TEST(stddata, fileio) {
+    /* init */
+    pikaMemInfo.heapUsedMax = 0;
+    PikaObj* pikaMain = newRootObj("pikaMain", New_PikaMain);
+    /* run */
+    __platform_printf("BEGIN\r\n");
+    pikaVM_runSingleFile(pikaMain, "../../examples/BuiltIn/file.py");
+    Arg* s = obj_getArg(pikaMain, "s");
+    Arg* b = obj_getArg(pikaMain, "b");
+    /* assert */
+    EXPECT_EQ(arg_getType(s), ARG_TYPE_STRING);
+    EXPECT_EQ(arg_getType(b), ARG_TYPE_BYTES);
+    /* deinit */
+    obj_deinit(pikaMain);
+}
+#endif

src/PikaPlatform.h

@@ -93,6 +93,7 @@ typedef enum {
     PIKA_RES_ERR_OPERATION_FAILED,
     PIKA_RES_ERR_UNKNOWN,
     PIKA_RES_ERR_SYNTAX_ERROR,
+    PIKA_RES_ERR_IO,
 } PIKA_RES;
 
 /* clang-format off */

src/pika_config_valid.h

@@ -102,6 +102,10 @@
             #define PIKA_EVENT_ENABLE 0
         #endif
 
+        #ifndef PIKA_FILEIO_ENABLE
+            #define PIKA_FILEIO_ENABLE 0
+        #endif
+
     #elif PIKA_SYNTAX_LEVEL == PIKA_SYNTAX_LEVEL_MAXIMAL
         #ifndef PIKA_SYNTAX_SLICE_ENABLE
             #define PIKA_SYNTAX_SLICE_ENABLE 1
@@ -130,6 +134,10 @@
         #ifndef PIKA_EVENT_ENABLE
             #define PIKA_EVENT_ENABLE 1
         #endif
+
+        #ifndef PIKA_FILEIO_ENABLE
+            #define PIKA_FILEIO_ENABLE 1
+        #endif
         
     #endif
 
@@ -226,6 +234,10 @@
         #define PIKA_DEBUG_ENABLE 0
     #endif
 
+    #ifndef PIKA_FILEIO_ENABLE
+        #define PIKA_FILEIO_ENABLE 1
+    #endif
+
     #ifndef PIKA_ARG_NUM_MAX
         #define PIKA_ARG_NUM_MAX 16
     #endif