misc/kforth: Start over.

Makefile

@@ -0,0 +1,23 @@
+CXXSTD :=	c++14
+CXXFLAGS :=	-std=$(CXXSTD) -Wall -Werror -O0 -g
+LDFLAGS :=	-static
+OBJS :=		linux/io.o	\
+		io.o		\
+		system.o	\
+		parser.o	\
+		word.o		\
+		dict.o		\
+		kforth.o
+TARGET :=	kforth
+
+all: $(TARGET)
+
+$(TARGET): $(OBJS)
+	$(CXX) $(LDFLAGS) -o $@ $(OBJS)
+
+clean:
+	rm -f $(OBJS) $(TARGET)
+
+install: $(TARGET)
+	cp $(TARGET) ~/bin
+	chmod 0755 ~/bin/$(TARGET)

default/defs.h

@@ -0,0 +1,14 @@
+#ifndef __KF_PLATFORM_DEFAULT_H__
+#define __KF_PLATFORM_DEFAULT_H__
+
+#include <stdint.h>
+
+typedef int KF_INT;
+typedef uintptr_t KF_ADDR;
+
+constexpr static size_t STACK_SIZE = 48 / sizeof(KF_INT);
+constexpr static size_t	DICT_SIZE  = 4096;
+constexpr static size_t	ARENA_SIZE = 256;
+
+
+#endif // __KF_PLATFORM_DEFAULT_H__

defs.h

@@ -0,0 +1,12 @@
+#ifndef __KF_DEFS_H__
+#define __KF_DEFS_H__
+
+
+#if PLATFORM == PC
+#include "pc/defs.h"
+#else
+#include "default/defs.h"
+#endif
+
+
+#endif __KF_DEFS_H__

doc/index.rst

@@ -13,6 +13,7 @@ Contents:
    part-0x05
    part-0x06
    part-0x07
+   part-0x08
 
 Indices and tables
 ==================

doc/part-0x08.rst

@@ -0,0 +1,18 @@
+Write You a Forth, 0x08
+-----------------------
+
+:date: 2018-03-01 19:31
+:tags: wyaf, forth
+
+After reading some more in Threaded Interpreted Languages (TIL_ from now on),
+I've decided to start over.
+
+.. _TIL: http://wiki.c2.com/?ThreadedInterpretiveLanguage
+
+Some design choices that didn't really work out:
+
++ the system structure
++ not making it easier to test building for different platforms
++ my linked list approach to the dictionary
++ my class-based approach to words
+

pc/defs.h

@@ -0,0 +1,14 @@
+#ifndef __KF_PLATFORM_PC_H__
+#define __KF_PLATFORM_PC_H__
+
+#include <stdint.h>
+
+typedef int32_t KF_INT;
+typedef uintptr_t KF_ADDR;
+
+constexpr static size_t STACK_SIZE = 65535;
+constexpr static size_t	DICT_SIZE  = 65535;
+constexpr static size_t	ARENA_SIZE = 65535;
+
+
+#endif // __KF_PLATFORM_PC_H__

stack.h

@@ -0,0 +1,9 @@
+#ifndef __KF_STACK_H__
+#define __KF_STACK_H__
+
+
+
+static
+
+
+#endif // __KF_STACK_H__