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<title>Mu - apps/ex7.mu</title>
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<a href='https://github.com/akkartik/mu/blob/main/apps/ex7.mu'>https://github.com/akkartik/mu/blob/main/apps/ex7.mu</a>
<pre id='vimCodeElement'>
<span id="L1" class="LineNr"> 1 </span><span class="muComment"># Cursor-based motions.</span>
<span id="L2" class="LineNr"> 2 </span><span class="muComment">#</span>
<span id="L3" class="LineNr"> 3 </span><span class="muComment"># To build a disk image:</span>
<span id="L4" class="LineNr"> 4 </span><span class="muComment"># ./translate apps/ex7.mu # emits code.img</span>
<span id="L5" class="LineNr"> 5 </span><span class="muComment"># To run:</span>
<span id="L6" class="LineNr"> 6 </span><span class="muComment"># qemu-system-i386 code.img</span>
<span id="L7" class="LineNr"> 7 </span><span class="muComment"># Or:</span>
<span id="L8" class="LineNr"> 8 </span><span class="muComment"># bochs -f bochsrc # bochsrc loads code.img</span>
<span id="L9" class="LineNr"> 9 </span><span class="muComment">#</span>
<span id="L10" class="LineNr">10 </span><span class="muComment"># Expected output: an interactive game a bit like "snakes". Try pressing h, j,</span>
<span id="L11" class="LineNr">11 </span><span class="muComment"># k, l.</span>
<span id="L12" class="LineNr">12 </span>
<span id="L13" class="LineNr">13 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='ex7.mu.html#L13'>main</a></span> <a href='../500fake-screen.mu.html#L14'>screen</a>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>), keyboard: (addr keyboard), data-disk: (addr disk) <span class="Delimiter">{</span>
<span id="L14" class="LineNr">14 </span> <span class="PreProc">var</span> space/eax: grapheme <span class="Special"><-</span> copy <span class="Constant">0x20</span>
<span id="L15" class="LineNr">15 </span> <a href='../500fake-screen.mu.html#L190'>set-cursor-position</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>, <span class="Constant">0</span>
<span id="L16" class="LineNr">16 </span> <span class="Delimiter">{</span>
<span id="L17" class="LineNr">17 </span> <a href='../500fake-screen.mu.html#L237'>draw-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, space
<span id="L18" class="LineNr">18 </span> <span class="PreProc">var</span> key/eax: byte <span class="Special"><-</span> <a href='../102keyboard.subx.html#L21'>read-key</a> keyboard
<span id="L19" class="LineNr">19 </span> <span class="Delimiter">{</span>
<span id="L20" class="LineNr">20 </span> compare key, <span class="Constant">0x68</span>/h
<span id="L21" class="LineNr">21 </span> <span class="PreProc">break-if-!=</span>
<span id="L22" class="LineNr">22 </span> <a href='../501draw-text.mu.html#L92'>draw-code-point-at-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x2d</span>/dash, <span class="Constant">0x31</span>/fg, <span class="Constant">0</span>/bg
<span id="L23" class="LineNr">23 </span> <a href='../501draw-text.mu.html#L3'>move-cursor-left</a> <span class="Constant">0</span>
<span id="L24" class="LineNr">24 </span> <span class="Delimiter">}</span>
<span id="L25" class="LineNr">25 </span> <span class="Delimiter">{</span>
<span id="L26" class="LineNr">26 </span> compare key, <span class="Constant">0x6a</span>/j
<span id="L27" class="LineNr">27 </span> <span class="PreProc">break-if-!=</span>
<span id="L28" class="LineNr">28 </span> <a href='../501draw-text.mu.html#L92'>draw-code-point-at-cursor</a> <a href='../500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x7c</span>/vertical-bar, <span class="Constant">0x31</span>/fg, <span class="Constant">0</span>/bg
<span id="L29" class="LineNr">29 </span> <a href='../501draw-text.mu.html#L47'>move-cursor-down</a> <span class="Constant">0</span>
<span id="L30" class="LineNr">30 </span> <span class="Delimiter">}</span>
<span id="L31" class="LineNr">31 </span> <span class="Delimiter">{</span>
<span id="L32" class="LineNr">32 </span> compare key, <span class="Constant">0x6b</span>/k
<span id="L33" classpre { line-height: 125%; }
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.highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */# This file is part of ranger, the console file manager.
# License: GNU GPL version 3, see the file "AUTHORS" for details.
NAME = ranger
VERSION = $(shell grep -m 1 -o '[0-9][0-9.]\+' README.md)
NAME_RIFLE = rifle
VERSION_RIFLE = $(VERSION)
SNAPSHOT_NAME ?= $(NAME)-$(VERSION)-$(shell git rev-parse HEAD | cut -b 1-8).tar.gz
# Find suitable python version (need python >= 2.6 or 3.1):
PYTHON ?= $(shell python -c 'import sys; sys.exit(sys.version < "2.6")' && \
which python || which python3.3 || which python3.2 || which python3.1 || \
which python3 || which python2.7 || which python2.6)
SETUPOPTS ?= '--record=install_log.txt'
DOCDIR ?= doc/pydoc
DESTDIR ?= /
PYOPTIMIZE ?= 1
FILTER ?= .
CWD = $(shell pwd)
default: test compile
@echo 'Run `make options` for a list of all options'
options: help
@echo
@echo 'Options:'
@echo 'PYTHON = $(PYTHON)'
@echo 'PYOPTIMIZE = $(PYOPTIMIZE)'
@echo 'DOCDIR = $(DOCDIR)'
@echo 'DESTDIR = $(DESTDIR)'
help:
@echo 'make: Test and compile ranger.'
@echo 'make install: Install $(NAME)'
@echo 'make clean: Remove the compiled files (*.pyc, *.pyo)'
@echo 'make doc: Create the pydoc documentation'
@echo 'make cleandoc: Remove the pydoc documentation'
@echo 'make man: Compile the manpage with "pod2man"'
@echo 'make manhtml: Compile the html manpage with "pod2html"'
@echo 'make snapshot: Create a tar.gz of the current git revision'
@echo 'make test: Test all testable modules of ranger'
@echo 'make todo: Look for TODO and XXX markers in the source code'
install:
$(PYTHON) setup.py install $(SETUPOPTS) \
'--root=$(DESTDIR)' --optimize=$(PYOPTIMIZE)
compile: clean
PYTHONOPTIMIZE=$(PYOPTIMIZE) $(PYTHON) -m compileall -q ranger
clean:
find ranger -regex .\*\.py[co]\$$ -delete
find ranger -depth -name __pycache__ -type d -exec rm -rf -- {} \;
doc: cleandoc
mkdir -p $(DOCDIR)
cd $(DOCDIR); \
$(PYTHON) -c 'import pydoc, sys; \
sys.path[0] = "$(CWD)"; \
pydoc.writedocs("$(CWD)")'
find . -name \*.html -exec sed -i 's|'"$(CWD)"'|../..|g' -- {} \;
TEST_PATHS_MAIN = \
$(shell find ranger -mindepth 1 -maxdepth 1 -type d -and -not -name '__pycache__' -and -not -path 'ranger/config' -and -not -path 'ranger/data') \
ranger/__init__.py \
$(shell find . '(' -path './ranger' -or -path './tests' ')' -prune -or -type f -name '*.py' -print) \
tests
TEST_PATH_CONFIG = ranger/config
test_pylint:
@echo "Running pylint..."
pylint $(TEST_PATHS_MAIN)
pylint --rcfile=$(TEST_PATH_CONFIG)/pylintrc $(TEST_PATH_CONFIG)
test_flake8:
@echo "Running flake8..."
flake8 $(TEST_PATHS_MAIN) $(TEST_PATH_CONFIG)
test_doctest:
@echo "Running doctests..."
@for FILE in $(shell grep -IHm 1 doctest -r ranger | grep $(FILTER) | cut -d: -f1); do \
echo "Testing $$FILE..."; \
RANGER_DOCTEST=1 PYTHONPATH=".:"$$PYTHONPATH ${PYTHON} $$FILE; \
done
test_pytest:
echo "Running py.test tests..."
py.test tests
test: test_pylint test_flake8 test_doctest test_pytest
@echo "Finished testing."
man:
pod2man --stderr --center='ranger manual' --date='$(NAME)-$(VERSION)' \
--release=$(shell date +%x) doc/ranger.pod doc/ranger.1
pod2man --stderr --center='rifle manual' --date='$(NAME_RIFLE)-$(VERSION_RIFLE)' \
--release=$(shell date +%x) doc/rifle.pod doc/rifle.1
manhtml:
pod2html doc/ranger.pod --outfile=doc/ranger.1.html
cleandoc:
test -d $(DOCDIR) && rm -f -- $(DOCDIR)/*.html || true
snapshot:
git archive --prefix='$(NAME)-$(VERSION)/' --format=tar HEAD | gzip > $(SNAPSHOT_NAME)
dist: snapshot
todo:
@grep --color -Ion '\(TODO\|XXX\).*' -r ranger
.PHONY: clean cleandoc compile default dist doc help install man manhtml options snapshot test todo