318 lines
11 KiB
Python
318 lines
11 KiB
Python
from tab import StackTabber2
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from mode import Fundamental
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from lex import Grammar, PatternRule, RegionRule, PatternMatchRule
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from mode.sh import ShGrammar
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from mode.xml import XMLGrammar
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from mode.pipe import Pipe
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from method.shell import Interact
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from method import Method, arg
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import default
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import urllib2
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import os
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import re
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chr1 = '[a-zA-Z_]'
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chr2 = '[a-zA-Z_0-9]'
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word = chr1 + chr2 + '*'
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class NestedCommentGrammar(Grammar): pass
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NestedCommentGrammar.rules = [
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RegionRule('comment', r'/\*', NestedCommentGrammar, r'\*/'),
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PatternRule('data', r'(?:[^\*]|\*(?!/))+'),
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]
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class StringGrammar(Grammar):
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rules = [
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PatternRule('escaped', r"\\u[0-9A-Fa-f]{4}|\\[0-7]{1,3}|\\[btnfr\"'\\]"),
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PatternRule('data', r'[^\\"]+'),
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]
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class SubTypeGrammar(Grammar): pass
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SubTypeGrammar.rules = [
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RegionRule('sub', r'\[', SubTypeGrammar, r'\]'),
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PatternRule('scala.type', '[a-zA-Z0-9_]+'),
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PatternRule('spaces', ' +'),
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]
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class ScalaGrammar(Grammar):
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rules = [
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PatternRule('scala.comment', '//.*$'),
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RegionRule('scala.comment', r'/\*', NestedCommentGrammar, r'\*/'),
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RegionRule('scala.script', r'#!.+$', ShGrammar, r'!#'),
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PatternMatchRule('x', r'(:)([a-zA-Z0-9_]+)',
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'delimiter', 'scala.type'),
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PatternMatchRule('x', r'(:)( +)([a-zA-Z0-9_]+)',
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'delimiter', 'spaces', 'scala.type'),
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#PatternMatchRule('x', r'(?<=[a-zA-Z0-9_ ])(:)([a-zA-Z0-9_]+)',
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# 'delimiter', 'scala.type'),
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#PatternMatchRule('x', r'(?<=[a-zA-Z0-9_ ])(:)( +)([a-zA-Z0-9_]+)',
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# 'delimiter', 'spaces', 'scala.type'),
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PatternMatchRule('x', r'(extends)( +)([a-zA-Z0-9_]+)',
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'scala.reserved', 'spaces', 'scala.type'),
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PatternMatchRule('x', r'(with)( +)([a-zA-Z0-9_]+)',
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'scala.reserved', 'spaces', 'scala.type'),
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#PatternRule('delimiter', r'(?:;|{|}|\[|\]|\(|\)|,|\.|<(?![a-zA-Z_])|>|:|/|\+|-|\*|=)'),
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RegionRule('sub', r'(?<=:)\(', SubTypeGrammar, r'\)'),
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PatternRule('delimiter', r'(?:;|{|}|\(|\)|,|\.|<(?![a-zA-Z_])|>|:|/|\+|-|\*|=)'),
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RegionRule('sub', r'\[', SubTypeGrammar, r'\]'),
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RegionRule('scala.inline', r'(?:^| )(?=<[a-zA-Z_])', XMLGrammar, '^[ \t]*$'),
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PatternRule('spaces', r'(?:\t| )+'),
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PatternRule('eol', r'\n'),
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PatternRule('scala.def', '(?<=(?<![a-zA-Z0-9_])def )[a-zA-Z_][a-zA-Z0-9_]*'),
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PatternRule('scala.class', '(?<=(?<![a-zA-Z0-9_])class )[a-zA-Z_][a-zA-Z0-9_]*'),
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PatternRule('scala.object', '(?<=(?<![a-zA-Z0-9_])object )[a-zA-Z_][a-zA-Z0-9_]*'),
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PatternRule('scala.trait', '(?<=(?<![a-zA-Z0-9_])trait )[a-zA-Z_][a-zA-Z0-9_]*'),
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PatternRule('scala.pseudo', '(?:true|null|false)'),
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PatternRule('scala.reserved', '(?:yield|with|while|var|val|until|type|true|try|trait|throw|to|this|super|sealed|return|protected|private|package|override|object|null|new|match|lazy|import|implicit|if|forSome|for|finally|final|false|extends|else|do|def|class|catch|case|abstract)(?!%s)' % word),
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PatternRule('scala.integer', '-?(?:0|[1-9])[0-9]*[Ll]?'),
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PatternRule('scala.integer', '-?0x[0-9A-Fa-f]+[Ll]?'),
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PatternRule('scala.integer', '-?0[0-7]+[Ll]?'),
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PatternRule('scala.float', r'-?[0-9]+\.[0-9]*'), # FIXME
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PatternRule('scala.char', r"'(?:[^'\\]|\\u[0-9A-Fa-f]{4}|\\[0-7]{1,3}|\\[btnfr\"'\\])'"),
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RegionRule('scala.string', '"""', Grammar, '"""'),
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RegionRule('scala.string', '"', StringGrammar, '"'),
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PatternRule('scala.symbol', "'[a-zA-Z_][a-zA-Z0-9_]*"),
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PatternRule('scala.annotation', '@[a-zA-Z_][a-zA-Z0-9_]*'),
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PatternRule('scala.bareword', '[a-zA-Z_][a-zA-Z0-9_]*'),
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]
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class ScalaTabber(StackTabber2):
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#open_tokens = {'delimiter': {'{': '}', '(': ')', '[': ']'}}
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#close_tokens = {'delimiter': {'}': '{', ')': '(', ']': '['}}
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open_tokens = {'delimiter': {'{': '}', '(': ')'},
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'sub.start': {'[': ']'}}
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close_tokens = {'delimiter': {'}': '{', ')': '('},
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'sub.end': {']': '['}}
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control_tokens = {'scala.reserved': set(('if', 'else', 'while', 'do', 'for'))}
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end_at_eof = True
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start_free_tokens = {'string.start': 'string.end'}
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end_free_tokens = {'string.end': 'string.start'}
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is_ignored_tokens = set(('spaces', 'eol', 'comment', 'comment.start',
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'comment.data', 'comment.null', 'comment.end'))
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is_indent_tokens = set(('spaces',))
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def _is_base(self, y):
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# the first line is always safe
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if y == 0: return True
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# if there are no tokens we don't really have any info
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tokens = self._get_tokens(y)
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if not tokens: return False
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# if it looks like a top-level class, object or function, then say ok
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t = tokens[0]
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if t.fqmatchs('scala.reserved', ('class', 'object', 'def')):
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return True
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# the default is to assume no
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return False
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class ScalaStart(Interact):
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args = []
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modename = 'scalapipe'
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reuse = True
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def _execute(self, w, **vargs):
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Interact._execute(self, w, bname='*Scala*', cmd='scala')
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class ScalaDocBrowse(Method):
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def _execute(self, w, **vargs):
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a = w.application
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url = a.config['scala.api']
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Interact().execute(w, bname='*Scala-Doc*', cmd='links "%s"' % url)
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class ScalaDocLookup(Method):
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args = [arg('name', t='string', p='Name: ', dv=default.current_word,
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ld=True, h='The Scala name to get help on')]
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def _get_path(self, w, name):
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return w.application.getpath('cache', 'scala', name)
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def _get_url(self, w, name, url):
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path = self._get_path(w, name)
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w.application.mkdirs('cache', 'scala')
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if not os.path.exists(path):
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open(path, 'w').write(urllib2.urlopen(url).read())
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html = open(path, 'r').read()
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return html
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def _execute(self, w, **vargs):
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try:
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from BeautifulSoup import BeautifulSoup
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except ImportError:
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w.set_error('BeautifulSoup is not installed...')
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return
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a = w.application
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name = vargs.get('name')
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html = self._get_url(w, 'api.html', a.config['scala.api'])
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soup = BeautifulSoup(html)
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tags = soup.findAll('li')
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for li in tags:
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if li['title'].endswith(name):
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frag = li.contents[0]['href']
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url2 = a.config['scala.api-base'] + '/' + frag
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a.run_external('links', url2)
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return
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w.set_error('error looking up %s...' % name)
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class ScalaXRayBase(Method):
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_is_method = False
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pkg_re = re.compile('^package (.+)$')
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def find_pkg(self, w):
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for line in w.buffer.lines:
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m = self.pkg_re.match(line)
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if m:
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return m.group(1)
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raise Exception("no package found")
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def get_sxr_dir(self, w):
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# TODO: fixme fixme
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path = 'target/scala_2.8.0/classes.sxr'
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if os.path.exists(path):
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return path
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else:
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raise Exception("classes.sxr not found")
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def get_public_tags(self, w, base):
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return os.path.join(base, 'public-tags')
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def type_lookup(self, n, w):
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pkg = self.find_pkg(w)
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base = self.get_sxr_dir(w)
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tags = os.path.join(base, pkg.replace('.', '/') + '.scala.txt')
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f = open(tags, 'r')
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for line in f:
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toks = line.split('\t')
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i = int(toks[0])
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j = int(toks[1])
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if i <= n and n <= j:
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return toks[2]
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return None
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class ScalaGetType(ScalaXRayBase):
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type_re = re.compile('(?:[^ \[\]{}()\.,;:]+\.)*([^ \[\]{}()\.,;:]+)')
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ret_re = re.compile('\)(?=[a-zA-Z0-9_])')
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def _execute(self, w, **vargs):
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word = w.get_token().string
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if word is None or word.strip() == "":
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w.set_error('no word selected')
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return
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n = w.cursor_byte_offset()
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t = self.type_lookup(n, w)
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if t:
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if w.application.config['scala.type-abbrev']:
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t = self.type_re.sub(lambda m: m.group(1), t)
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#t = t.replace(')', ') => ')
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t = self.ret_re.sub(') => ', t)
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t = t.replace(': ', ':')
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t = t.replace(',', ', ')
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w.set_error(t)
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else:
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w.set_error('%s has unknown type' % word)
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class ScalaGotoDefinition(ScalaXRayBase):
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def _execute(self, w, **vargs):
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w.set_error('borken')
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# white is for delimiters, operators, numbers
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default = ('default', 'default')
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# magenta is for keywords/builtins
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lo_magenta = ('magenta202', 'default')
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hi_magenta = ('magenta414', 'default')
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# red is for comments
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lo_red = ('red300', 'default')
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hi_red = ('red511', 'default')
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# orange is for macro definitions, headers and constants
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hi_orange = ('yellow531', 'default')
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lo_orange = ('yellow520', 'default')
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# yellow is for parts of macros
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hi_yellow = ('yellow551', 'default')
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lo_yellow = ('yellow330', 'default')
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# green is for strings and characters
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lo_green = ('green030', 'default')
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hi_green = ('green050', 'default')
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# cyan is for types
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lo_cyan = ('cyan033', 'default')
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hi_cyan = ('cyan155', 'default')
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# blue is definitions, functions and some macros
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lo_blue = ('blue113', 'default')
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hi_blue = ('blue225', 'default')
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class Scala(Fundamental):
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name = 'Scala'
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extensions = ['.scala']
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tabwidth = 2
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tabbercls = ScalaTabber
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grammar = ScalaGrammar
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commentc = '//'
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actions = [ScalaStart, ScalaDocBrowse, ScalaDocLookup, ScalaGetType]
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opentokens = ('delimiter', 'sub.start', 'sub.sub.start', 'sub.sub.sub.start')
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opentags = {'(': ')', '[': ']', '{': '}'}
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closetokens = ('delimiter', 'sub.end', 'sub.sub.end', 'sub.sub.sub.end')
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closetags = {')': '(', ']': '[', '}': '{'}
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config = {
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'scala.api': 'http://www.scala-lang.org/api/current/allclasses.html',
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'scala.api-base': 'http://www.scala-lang.org/api/current',
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'scala.type-abbrev': True,
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}
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colors = {
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'scala.script.start': hi_red,
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'scala.script.end': hi_red,
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'scala.annotation': lo_green,
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'scala.pseudo': hi_magenta,
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'scala.reserved': hi_cyan,
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'scala.integer': default,
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'scala.float': default,
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'scala.bareword': default,
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'scala.symbol': hi_orange,
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'scala.class': hi_yellow,
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'scala.object': hi_yellow,
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'scala.trait': hi_yellow,
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'scala.type': hi_magenta,
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'scala.def': hi_blue,
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'scala.def': hi_blue,
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}
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_bindings = {
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'scala-get-type': ('M-,',),
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'close-paren': (')',),
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'close-brace': ('}',),
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'close-bracket': (']',),
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}
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class ScalaPipe(Pipe):
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name = 'scalapipe'
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grammar = ScalaGrammar
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def install(*args):
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Scala.install(*args)
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ScalaPipe.install(*args)
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