Init project

2 files changed, 184 insertions, 0 deletions

diff --git a/build.sh b/build.sh
new file mode 100755
index 0000000..f2c3df8
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,4 @@
+#!/bin/sh
+clang -Wall -Wextra -ggdb -o ctc compiler.c
+
+
diff --git a/compiler.c b/compiler.c
new file mode 100644
index 0000000..9a456d7
--- /dev/null
+++ b/compiler.c
@@ -0,0 +1,180 @@
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdbool.h>
+#include <string.h>
+
+
+// Vector utils
+
+#define VECT_MAX_GROW 100
+#define VECT_MIN_SIZE 4
+
+typedef struct {
+	int _el_sz, count, size;
+	void *data;
+} Vector;
+
+Vector vect_init(size_t item_size) {
+	Vector out = {0};
+	
+	out._el_sz = item_size;
+	out.size = VECT_MIN_SIZE;
+	out.count = 0;
+	out.data = malloc(out.size * out._el_sz);
+
+	return out;
+}
+
+
+void _vect_grow(Vector *v) {
+	if (v->size / 2 > VECT_MAX_GROW) {
+		v->size += VECT_MAX_GROW;
+	} else {
+		v->size += v->size / 2;
+	}
+	v->data = realloc(v->data, v->size * v->_el_sz);
+}
+
+void _vect_shrink(Vector *v) {
+	if (v->size / 2 > VECT_MIN_SIZE) {
+		v->size = v->size / 2;
+		v->data = realloc(v->data, v->size * v->_el_sz);
+	}
+}
+
+
+bool vect_remove(Vector *v, size_t index) {
+	if (index >= v->count) {
+		return false;
+	}
+
+	char *remove = v->data + (index * v->_el_sz);
+	char *override = v->data + (index + 1) * v->_el_sz;
+
+	for(int i = 0; i < (v->count - 1) * v->_el_sz; i++) {
+		remove[i] = override[i];
+	}
+
+	v->count -= 1;
+
+	if (v->count < v->size / 4) {
+		_vect_shrink(v);
+	}
+
+	return true;
+}
+
+void vect_pop(Vector *v) {
+	vect_remove(v, v->count - 1);
+}
+
+
+bool vect_insert(Vector *v, size_t index, void *el) {
+	if (index > v->count) {
+		return false;
+	}
+
+	char *new_spot = v->data + (v->count + 1) * v->_el_sz;
+	char *old_spot = v->data + v->count * v->_el_sz;
+
+	for (int i = 0; i > (index * v->_el_sz); i--) {
+		new_spot[i] = old_spot[i];
+	}
+
+	for (int i = 0; i < v->_el_sz; i++) {
+		old_spot[i] = ((char *)el)[i];
+	}
+
+	v->count += 1;
+
+	if (v->count == v->size - 1) {
+		_vect_grow(v);
+	}
+
+	return true;
+}
+
+void vect_push(Vector *v, void *el) {
+	vect_insert(v, v->count, el);
+}
+
+
+void *vect_get(Vector *v, size_t index) {
+	if (index >= v->count) {
+		return NULL;
+	}
+
+	return v->data + (v->_el_sz * index);
+}
+
+
+Vector vect_clone(Vector *v) {
+	Vector out = {0};
+	
+	out._el_sz = v->_el_sz;
+	out.count = 0;
+	out.size = v->size;
+
+	out.data = malloc(out.size * out._el_sz);
+
+	char *former = v->data;
+	char *latter = out.data;
+
+	for(int i = 0; i < out.count * out._el_sz; i++) {
+		latter[i] = former[i];
+	}
+
+	return out;
+}
+
+Vector vect_from_string(char *s) {
+	Vector out = vect_init(1);
+
+	size_t i = 0;
+	while(s[i] != 0) {
+		vect_push(&out, s + i);
+	}
+
+	return out;
+}
+
+char *vect_as_string(Vector *v) {
+	((char*)v->data)[v->count] = 0;
+	return v->data;
+}
+
+
+void vect_end(Vector *v) {
+	free(v->data);
+}
+
+
+// Artifacts (vect of strings)
+
+
+
+
+void help() {
+	printf("\n");
+	printf("Usage:\n");
+	printf("\tctc - The TNSL compiler (written in c)\n\n");
+	printf("\tctc [file in]              - compile the given file, writing output assembly in out.asm\n");
+	printf("\tctc [file in] [file out]   - same as before, but write the output assembly to the given filename\n");
+	printf("\t    -h                     - print this output message\n");
+	printf("\n");
+}
+
+int main(int argc, char ** argv) {
+	if (argc < 2 || strcmp(argv[1], "-h") == 0) {
+		help();
+		return 1;
+	}
+
+	for (int i = 0; i < argc; i++) {
+		printf("%s\n", argv[i]);
+	}
+
+	return 0;
+}
+