Add the first component and three surfaces

Vega reads a verified Pure module by convention: a table view with a
label column is a list (with optional badge, detail and tone), any other
table is a table, <table>_focus is its focused row, a title view is the
title and other views are fields. lib/vega.aup gives aup apps the tones,
which say what a row means; each surface decides how it looks or sounds.

vega tui draws the screen in a terminal, keeps the focused row in view
and evaluates only the cells on screen; vega cli prints plain lines for
pipes; vega say speaks the screen and each focus change as sentences.
Display width handles Hangul, CJK, emoji, combining marks and controls.

tests/check.py compares the CLI and NUI output with a reference model of
examples/todo.aup line for line, checks 9,600 TUI frames for scrolling,
focus, badge alignment and the number of cells evaluated, drives the
interactive TUI on a pseudo-terminal, and runs every aup example on every
surface.

1 files changed, 23 insertions, 0 deletions

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..9b15acc
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,23 @@
+CC ?= cc
+CFLAGS ?= -O2 -g
+CFLAGS += -std=c17 -Wall -Wextra -Wpedantic -Werror
+BUILD ?= build
+# Sibling checkouts: Pure runs the modules, aup builds them.
+PURE ?= ../pure/prototypes/connections
+AUP ?= ../aup
+
+PURE_SOURCES = $(PURE)/module.c $(PURE)/module-list.c $(PURE)/module-text.c $(PURE)/store-tree.c
+SOURCES = src/screen.c src/draw.c src/width.c src/main.c
+
+.PHONY: all check
+all: $(BUILD)/vega
+
+$(BUILD):
+	mkdir -p $@
+
+$(BUILD)/vega: $(SOURCES) src/vega.h $(PURE_SOURCES) | $(BUILD)
+	$(CC) $(CPPFLAGS) $(CFLAGS) -I$(PURE) $(SOURCES) $(PURE_SOURCES) $(LDFLAGS) -lm $(LDLIBS) -o $@
+
+check: $(BUILD)/vega
+	$(MAKE) -C $(AUP) build/aup
+	python3 tests/check.py --vega $(BUILD)/vega --aup $(AUP)/build/aup