56 lines
2.3 KiB
Python
56 lines
2.3 KiB
Python
import tab, point
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class ShTabber(tab.TokenStackTabber):
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close_tags = {'}': '{',
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')': '(',
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']': '[',
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'done': 'do',
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'fi': 'then',
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'esac': 'case'}
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def stack_append_const(self, c):
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self.stack_append((c, self.tab_stack[-1][1] + 4))
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def stack_append_unique_const(self, c):
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if self.tab_stack[-1][0] != c:
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self.stack_append((c, self.tab_stack[-1][1] + 4))
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def stack_pop_const(self, *c_args):
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if self.tab_stack[-1][0] in c_args:
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self.stack_pop()
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def stack_pop_all_const(self, *c_args):
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while self.tab_stack[-1][0] in c_args:
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self.stack_pop()
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def handle_token(self, prev_token, token, next_token, y=None):
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buffer = self.mode.window.buffer
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name = token.name
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s = token.string
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if next_token is None and name != "continuation":
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self.stack_pop_all_const(self, "continued")
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if name == 'reserved' or name == "keyword" or name == "delimiter":
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if s == ")" and self.tab_stack[-1][0] == "case":
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pass
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elif s == "then" or s == "do" or s == "(" or s == "[" or s == "case" or s == "{":
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if next_token is None:
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self.stack_append((s, self.tab_stack[-1][1] + 4))
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else:
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p = buffer.get_offset_point(next_token.start)
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self.stack_append((s, p.x))
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elif s == "else":
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assert self.tab_stack[-1][0] == "if", "bbbsssxxx"
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d = self.tab_stack[-1][1] - self.tab_stack[-2][1]
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self.line_depth -= d
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elif s in self.close_tags:
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if self.tab_stack[-1][0] == self.close_tags[s]:
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self.stack_pop()
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if prev_token is None:
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self.line_depth = self.tab_stack[-1][1]
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elif self.errors is False:
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err = "tag mismatch, line %d: expected %r, got %r" % \
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(self.y, self.tab_stack[-1][0], s)
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self.mode.window.application.set_error(err)
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self.errors = True
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elif name == "continuation":
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self.stack_append_unique_const("continued")
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