8051 is awesome

10 files changed, 281 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..567609b
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+build/
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..992b8b2
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,21 @@
+SOURCEDIR = src
+BUILDDIR = build
+SOURCES = $(wildcard $(SOURCEDIR)/*.c)
+OBJS = $(patsubst $(SOURCEDIR)/%.c, $(BUILDDIR)/%.o, $(SOURCES))
+
+CC = gcc
+WARNINGS = -Wall -Wextra -Wshadow -Wpointer-arith -Wwrite-strings -Wredundant-decls -Wnested-externs -Wformat=2 -Wmissing-declarations -Wstrict-prototypes -Wmissing-prototypes -Wcast-qual -Wswitch-default -Wswitch-enum -Wlogical-op -Wunreachable-code -Wundef -Wold-style-definition -Wvla -pedantic
+CFLAGS = -O3 $(WARNINGS) -I$(SOURCEDIR)/inc/ $(shell pkg-config --cflags --libs gtk+-3.0)
+
+all: $(OBJS)
+	@$(CC) -o ./$(BUILDDIR)/out $^ $(CFLAGS)
+
+clean:
+	@$(RM) -rf $(BUILDDIR)
+
+run: clean all
+	@./$(BUILDDIR)/out
+
+$(BUILDDIR)/%.o: $(SOURCEDIR)/%.c
+	@mkdir -p $(BUILDDIR)
+	@$(CC) -c -o $@ $< $(CFLAGS)
diff --git a/src/gui.c b/src/gui.c
new file mode 100644
index 0000000..7564f11
--- /dev/null
+++ b/src/gui.c
@@ -0,0 +1,121 @@
+#include <def.h>
+#include <gtk/gtk.h>
+#include <gui.h>
+#include <parser.h>
+#include <stdio.h>
+#include <string.h>
+
+// Main window
+static GtkWidget *window;
+static GtkWidget *text_view;
+
+static char *gui_text_buffer(void)
+{
+	GtkTextIter start, end;
+	GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text_view));
+
+	gtk_text_buffer_get_bounds(buffer, &start, &end);
+	gchar *text = gtk_text_buffer_get_text(buffer, &start, &end, FALSE);
+
+	return text; // g_free after use!
+}
+
+static void gui_fill_text_view(const char *path)
+{
+	char buf[1024] = { 0 };
+	FILE *test = fopen(path, "r");
+
+	if (!test) {
+		gui_show_warning(strerror(errno));
+		return;
+	}
+
+	fread(buf, sizeof(buf), sizeof(buf[0]), test);
+	fclose(test);
+
+	GtkTextBuffer *text_buffer = gtk_text_buffer_new(NULL);
+	gtk_text_buffer_set_text(text_buffer, buf, strnlen(buf, sizeof(buf)));
+	gtk_text_view_set_buffer(GTK_TEXT_VIEW(text_view), text_buffer);
+}
+
+static void gui_call_parser(GtkWidget *widget, gpointer data)
+{
+	UNUSED(data);
+	UNUSED(widget);
+
+	char *buf = gui_text_buffer();
+
+	// TODO: Get actual buffer size
+	if (parse(buf, 1024))
+		gui_show_info("Compiled successfully!");
+
+	g_free(buf);
+}
+
+void gui_show_warning(const char *text)
+{
+	if (!text)
+		return;
+
+	GtkWidget *warning = gtk_message_dialog_new(NULL, GTK_DIALOG_MODAL, GTK_MESSAGE_WARNING,
+						    GTK_BUTTONS_OK, "Warning");
+
+	gtk_message_dialog_format_secondary_text(GTK_MESSAGE_DIALOG(warning), "%s\n", text);
+	int response = gtk_dialog_run(GTK_DIALOG(warning));
+	printf("%d\n", response);
+	gtk_widget_destroy(warning);
+}
+
+void gui_show_info(const char *text)
+{
+	if (!text)
+		return;
+
+	GtkWidget *info = gtk_message_dialog_new(NULL, GTK_DIALOG_MODAL, GTK_MESSAGE_INFO,
+						 GTK_BUTTONS_OK, "Information");
+
+	gtk_message_dialog_format_secondary_text(GTK_MESSAGE_DIALOG(info), "%s\n", text);
+	int response = gtk_dialog_run(GTK_DIALOG(info));
+	printf("%d\n", response);
+	gtk_widget_destroy(info);
+}
+
+static void gui_activate(GtkApplication *app, gpointer data)
+{
+	UNUSED(data);
+
+	window = gtk_application_window_new(app);
+	gtk_window_set_title(GTK_WINDOW(window), "Window");
+	gtk_window_set_default_size(GTK_WINDOW(window), 200, 200);
+
+	GtkWidget *box = gtk_box_new(GTK_ORIENTATION_VERTICAL, 16);
+	gtk_container_add(GTK_CONTAINER(window), box);
+
+	text_view = gtk_text_view_new();
+	gtk_container_add(GTK_CONTAINER(box), text_view);
+
+	GtkWidget *button_box = gtk_button_box_new(GTK_ORIENTATION_HORIZONTAL);
+	gtk_container_add(GTK_CONTAINER(box), button_box);
+
+	GtkWidget *button = gtk_button_new_with_label("Compile");
+	g_signal_connect(button, "clicked", G_CALLBACK(gui_call_parser), NULL);
+	gtk_container_add(GTK_CONTAINER(button_box), button);
+
+	gtk_widget_show_all(window);
+
+	// Only for testing purposes
+	gui_fill_text_view("test.asm");
+}
+
+int gui_init(int argc, char *argv[])
+{
+	gtk_init(&argc, &argv);
+
+	GtkApplication *app =
+		gtk_application_new("de.melvars.simsalasim", G_APPLICATION_FLAGS_NONE);
+	g_signal_connect(app, "activate", G_CALLBACK(gui_activate), NULL);
+	int status = g_application_run(G_APPLICATION(app), argc, argv);
+	g_object_unref(app);
+
+	return status;
+}
diff --git a/src/inc/def.h b/src/inc/def.h
new file mode 100644
index 0000000..bd06eb9
--- /dev/null
+++ b/src/inc/def.h
@@ -0,0 +1,14 @@
+#ifndef DEF_H
+#define DEF_H
+
+typedef unsigned int u32;
+typedef unsigned short u16;
+typedef unsigned char u8;
+
+typedef signed int s32;
+typedef signed short s16;
+typedef signed char s8;
+
+#define UNUSED(bla) ((void)(bla))
+
+#endif
diff --git a/src/inc/gui.h b/src/inc/gui.h
new file mode 100644
index 0000000..1c7fc01
--- /dev/null
+++ b/src/inc/gui.h
@@ -0,0 +1,8 @@
+#ifndef GUI_H
+#define GUI_H
+
+int gui_init(int argc, char *argv[]);
+void gui_show_warning(const char *text);
+void gui_show_info(const char *text);
+
+#endif
diff --git a/src/inc/lexer.h b/src/inc/lexer.h
new file mode 100644
index 0000000..833e522
--- /dev/null
+++ b/src/inc/lexer.h
@@ -0,0 +1,64 @@
+#ifndef LEXER_H
+#define LEXER_H
+
+enum token {
+	UNKNOWN,
+	NEWLINE,
+	NOP,
+	JBC,
+	JB,
+	JNB,
+	JC,
+	JNC,
+	JZ,
+	JNZ,
+	SJMP,
+	MOV,
+	ORL,
+	ANL,
+	PUSH,
+	POP,
+	MOVX,
+	AJMP,
+	ACALL,
+	LJMP,
+	LCALL,
+	RETI,
+	RET,
+	XRL,
+	CPL,
+	CLR,
+	SETB,
+	RR,
+	RRC,
+	RL,
+	RLC,
+	XLR,
+	JMP,
+	MOVC,
+	INC,
+	DEC,
+	ADD,
+	ADDC,
+	DIV,
+	DUBB,
+	MUL,
+	CJNE,
+	SWP,
+	DA,
+	CRL,
+	XCH,
+	DJNZ,
+	XCHD,
+	CALL,
+	ORG,
+	DB,
+	DW,
+	INCLUDE,
+	BRACE_OPEN,
+	BRACE_CLOSE,
+	DATA,
+	BIT,
+};
+
+#endif
diff --git a/src/inc/parser.h b/src/inc/parser.h
new file mode 100644
index 0000000..c46ead1
--- /dev/null
+++ b/src/inc/parser.h
@@ -0,0 +1,8 @@
+#ifndef LEXER_H
+#define LEXER_H
+
+#include <def.h>
+
+u8 parse(char *buf, u32 size);
+
+#endif
diff --git a/src/main.c b/src/main.c
new file mode 100644
index 0000000..74cfe24
--- /dev/null
+++ b/src/main.c
@@ -0,0 +1,18 @@
+#include <gui.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+static void print_help(void)
+{
+	printf("Help\n");
+	exit(0);
+}
+
+int main(int argc, char *argv[])
+{
+	if (argc == 2 && (strcmp(argv[1], "--help") == 0))
+		print_help();
+
+	return gui_init(argc, argv);
+}
diff --git a/src/parser.c b/src/parser.c
new file mode 100644
index 0000000..e4d0251
--- /dev/null
+++ b/src/parser.c
@@ -0,0 +1,24 @@
+#include <def.h>
+#include <parser.h>
+#include <stdio.h>
+#include <string.h>
+
+#define PEEK(hay, needle) (strcmp(hay, needle) == 0)
+
+u8 parse(char *buf, u32 size)
+{
+	u32 line = 0;
+
+	for (u32 i = 0; i < size; i++) {
+		/* printf("'%c'\n", buf[i]); */
+		if (buf[i] == '\0')
+			break;
+
+		if (buf[i] == '\n') {
+			line++;
+			continue;
+		}
+	}
+
+	return 1;
+}
diff --git a/test.asm b/test.asm
new file mode 100644
index 0000000..95063e7
--- /dev/null
+++ b/test.asm
@@ -0,0 +1,2 @@
+mov A, #42
+jmp $