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[script] vector slicing, basic file functions

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new operators:
vector(int, byte) - int -> works like py's list[0:-int]
vector(int, byte) : int -> works like py's list[int:]

new functions:
fileRead, fileWrite, fileExists, bytesToStr
This commit is contained in:
suchmememanyskill
2021-01-01 18:30:51 +01:00
parent 3d4182ec57
commit e1f292fe0d
8 changed files with 84 additions and 12 deletions
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36
source/script/functions.c
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@@ -6,6 +6,9 @@
#include <mem/heap.h>
#include "lexer.h"
#include <storage/nx_sd.h>
#include "../fs/fsutils.h"
#define scriptFunction(name) Variable_t name(scriptCtx_t *ctx, Variable_t *vars, u32 varLen)
scriptFunction(funcIf) {
@@ -76,10 +79,39 @@ scriptFunction(funcSetPixel){
return NullVar;
}
scriptFunction(funcFileExists){
return newVar(IntType, 0, FileExists(vars[0].stringType));
}
// Args: Str (Path)
scriptFunction(funcReadFile){
u32 fSize = 0;
u8 *buff = sd_file_read(vars[0].stringType, &fSize);
if (buff == NULL)
return ErrVar(ERRFATALFUNCFAIL);
Vector_t vec = vecFromArray(buff, fSize, sizeof(u8));
return newVar(ByteArrayType, 1, .vectorType = vec);
}
// Args: Str (Path), vector(Byte) (toWrite)
scriptFunction(funcWriteFile){
return newVar(IntType, 0, sd_save_to_file(vars[1].vectorType.data, vars[1].vectorType.count, vars[0].stringType));
}
scriptFunction(funcByteToStr){
char *str = calloc(vars[0].vectorType.count + 1, 1);
memcpy(str, vars[0].vectorType.data, vars[0].vectorType.count);
return newVar(StringType, 1, .stringType = str);
}
u8 fiveInts[] = {IntType, IntType, IntType, IntType, IntType};
u8 singleIntArray[] = { IntArrayType };
u8 singleInt[] = { IntType };
u8 singleAny[] = { varArgs };
u8 singleStr[] = { StringType };
u8 singleByteArr[] = { ByteArrayType };
u8 StrByteVec[] = { StringType, ByteArrayType};
functionStruct_t scriptFunctions[] = {
{"if", funcIf, 1, singleInt},
@@ -90,6 +122,10 @@ functionStruct_t scriptFunctions[] = {
{"len", funcLen, 1, singleAny},
{"byte", funcMakeByteArray, 1, singleIntArray},
{"setPixel", funcSetPixel, 5, fiveInts},
{"fileRead", funcReadFile, 1, singleStr},
{"fileWrite", funcWriteFile, 2, StrByteVec},
{"fileExists", funcFileExists, 1, singleStr},
{"bytesToStr", funcByteToStr, 1, singleByteArr},
};
Variable_t executeFunction(scriptCtx_t* ctx, char* func_name, lexarToken_t *start, u32 len) {