the interpreter implementation is now hidden behing the src/libnoja/noja.h facade. Also I wrote a disassembler that lets you build noja executables by specifying the bytecode directly in a text format
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cozis
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/* +--------------------------------------------------------------------------+
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** | _ _ _ |
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** | | \ | | (_) |
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** | | \| | ___ _ __ _ |
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** | | . ` |/ _ \| |/ _` | |
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** | | |\ | (_) | | (_| | |
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** | |_| \_|\___/| |\__,_| |
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** | _/ | |
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** | |__/ |
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** +--------------------------------------------------------------------------+
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** | Copyright (c) 2022 Francesco Cozzuto <francesco.cozzuto@gmail.com> |
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** +--------------------------------------------------------------------------+
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** | This file is part of The Noja Interpreter. |
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** | |
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** | The Noja Interpreter is free software: you can redistribute it and/or |
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** | modify it under the terms of the GNU General Public License as published |
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** | by the Free Software Foundation, either version 3 of the License, or (at |
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** | your option) any later version. |
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** | |
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** | The Noja Interpreter is distributed in the hope that it will be useful, |
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** | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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** | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General |
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** | Public License for more details. |
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** | |
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** | You should have received a copy of the GNU General Public License along |
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** | with The Noja Interpreter. If not, see <http://www.gnu.org/licenses/>. |
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** +--------------------------------------------------------------------------+
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*/
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#warning "Commented out whole file"
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/*
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#include <assert.h>
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#include <errno.h>
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#include "files.h"
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enum {
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MD_READ = 0,
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MD_WRITE = 1,
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MD_APPEND = 2,
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};
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static Object *bin_openFile(Runtime *runtime, Object **argv, unsigned int argc, Error *error)
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{
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assert(argc == 2);
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if(!Object_IsString(argv[0]))
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{
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Error_Report(error, 0, "Expected first argument to be a string, but it's a %s", Object_GetName(argv[0]));
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return NULL;
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}
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if(!Object_IsInt(argv[1]))
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{
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Error_Report(error, 0, "Expected second argument to be an int, but it's a %s", Object_GetName(argv[1]));
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return NULL;
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}
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Heap *heap = Runtime_GetHeap(runtime);
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const char *path = Object_ToString(argv[0], NULL, heap, error);
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if(error->occurred)
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return NULL;
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int mode = Object_ToInt(argv[1], error);
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if(error->occurred)
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return NULL;
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FILE *fp;
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{
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const char *mode2;
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switch(mode)
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{
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case MD_READ:
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mode2 = "r";
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break;
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case MD_READ | MD_WRITE:
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mode2 = "w+";
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break;
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case MD_READ | MD_APPEND:
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case MD_READ | MD_WRITE | MD_APPEND:
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mode2 = "a";
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break;
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default:
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assert(0);
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break;
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}
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fp = fopen(path, mode2);
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if(fp == NULL)
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return Object_NewNone(heap, error);
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}
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return Object_FromStream(fp, heap, error);
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}
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static Object *bin_read(Runtime *runtime, Object **argv, unsigned int argc, Error *error)
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{
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assert(argc == 3);
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// Arg 0: file
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// Arg 1: buffer
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// Arg 2: count
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if(!Object_IsFile(argv[0]))
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{
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Error_Report(error, 0, "Expected first argument to be a file, but it's a %s", Object_GetName(argv[0]));
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return NULL;
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}
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if(!Object_IsBuffer(argv[1]))
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{
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Error_Report(error, 0, "Expected second argument to be a buffer, but it's a %s", Object_GetName(argv[1]));
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return NULL;
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}
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Heap *heap = Runtime_GetHeap(runtime);
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void *buff_addr;
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int buff_size;
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buff_addr = Object_GetBufferAddrAndSize(argv[1], &buff_size, error);
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int read_size;
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if(Object_IsNone(argv[2]))
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{
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read_size = buff_size;
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}
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else if(Object_IsInt(argv[2]))
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{
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long long int temp = Object_ToInt(argv[2], error);
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if(error->occurred)
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return NULL;
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read_size = temp; // TODO: Handle potential overflow.
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if(read_size > buff_size)
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read_size = buff_size;
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}
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else
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{
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Error_Report(error, 0, "Expected third argument to be an int or none, but it's a %s", Object_GetName(argv[0]));
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return NULL;
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}
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FILE *fp = Object_ToStream(argv[0], error);
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if(fp == NULL)
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return NULL;
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size_t n = fread(buff_addr, 1, read_size, fp);
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return Object_FromInt(n, heap, error);
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}
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static Object *bin_write(Runtime *runtime, Object **argv, unsigned int argc, Error *error)
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{
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assert(argc == 3);
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// Arg 0: file
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// Arg 1: buffer
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// Arg 2: count
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if(!Object_IsFile(argv[0]))
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{
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Error_Report(error, 0, "Expected first argument to be a file, but it's a %s", Object_GetName(argv[0]));
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return NULL;
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}
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if(!Object_IsBuffer(argv[1]))
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{
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Error_Report(error, 0, "Expected second argument to be a buffer, but it's a %s", Object_GetName(argv[1]));
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return NULL;
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}
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Heap *heap = Runtime_GetHeap(runtime);
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void *buff_addr;
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int buff_size;
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buff_addr = Object_GetBufferAddrAndSize(argv[1], &buff_size, error);
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int write_size;
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if(Object_IsNone(argv[2]))
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{
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write_size = buff_size;
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}
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else if(Object_IsInt(argv[2]))
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{
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long long int temp = Object_ToInt(argv[2], error);
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if(error->occurred)
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return NULL;
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write_size = temp; // TODO: Handle potential overflow.
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if(write_size > buff_size)
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write_size = buff_size;
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}
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else
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{
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Error_Report(error, 0, "Expected third argument to be an int or none, but it's a %s", Object_GetName(argv[0]));
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return NULL;
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}
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FILE *fp = Object_ToStream(argv[0], error);
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if(fp == NULL)
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return NULL;
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size_t n = fwrite(buff_addr, 1, write_size, fp);
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return Object_FromInt(n, heap, error);
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}
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static Object *bin_openDir(Runtime *runtime, Object **argv, unsigned int argc, Error *error)
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{
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assert(argc == 1);
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// Arg 0: path
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if(!Object_IsString(argv[0]))
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{
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Error_Report(error, 0, "Expected first argument to be a string, but it's a %s", Object_GetName(argv[0]));
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return NULL;
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}
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Heap *heap = Runtime_GetHeap(runtime);
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const char *path = Object_ToString(argv[0], NULL, heap, error);
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if(error->occurred)
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return NULL;
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DIR *dir = opendir(path);
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if(dir == NULL)
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return Object_NewNone(heap, error);
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Object *dob = Object_FromDIR(dir, heap, error);
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if(error->occurred)
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{
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(void) closedir(dir);
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return NULL;
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}
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return dob;
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}
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static Object *bin_nextDirItem(Runtime *runtime, Object **argv, unsigned int argc, Error *error)
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{
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assert(argc == 1);
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// Arg 0: path
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if(!Object_IsDir(argv[0]))
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{
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Error_Report(error, 0, "Expected first argument to be a directory, but it's a %s", Object_GetName(argv[0]));
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return NULL;
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}
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DIR *dir = Object_ToDIR(argv[0], error);
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if(error->occurred)
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return NULL;
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assert(dir != NULL);
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Heap *heap = Runtime_GetHeap(runtime);
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errno = 0;
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struct dirent *ent = readdir(dir);
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if(ent == NULL)
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{
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if(errno == 0)
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// Nothing left to read.
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return Object_NewNone(heap, error);
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// An error occurred.
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Error_Report(error, 1, "Failed to read directory item");
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return NULL;
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}
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return Object_FromString(ent->d_name, -1, heap, error);
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}
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const StaticMapSlot bins_files[] = {
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{ "READ", SM_INT, .as_int = MD_READ, },
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{ "WRITE", SM_INT, .as_int = MD_WRITE, },
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{ "APPEND", SM_INT, .as_int = MD_APPEND, },
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{ "openFile", SM_FUNCT, .as_funct = bin_openFile, .argc = 2, },
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{ "openDir", SM_FUNCT, .as_funct = bin_openDir, .argc = 1, },
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{ "nextDirItem", SM_FUNCT, .as_funct = bin_nextDirItem, .argc = 1, },
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{ "read", SM_FUNCT, .as_funct = bin_read, .argc = 3, },
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{ "write", SM_FUNCT, .as_funct = bin_write, .argc = 3, },
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{ NULL, SM_END, {}, {} },
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};
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*/
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