| 1 | """
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| 2 | syntax_abbrev.py - Abbreviations for pretty-printing syntax.asdl.
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| 3 |
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| 4 | This module is not used directly, but is combined with generated code.
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| 5 | """
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| 6 |
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| 7 | from _devbuild.gen.id_kind_asdl import Id
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| 8 | from _devbuild.gen.hnode_asdl import hnode_t
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| 9 | from asdl import runtime
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| 10 |
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| 11 |
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| 12 | def _AbbreviateToken(tok, out):
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| 13 | # type: (Token, List[hnode_t]) -> None
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| 14 | if tok.id != Id.Lit_Chars:
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| 15 | n1 = runtime.NewLeaf(Id_str(tok.id), color_e.OtherConst)
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| 16 | out.append(n1)
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| 17 |
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| 18 | n2 = runtime.NewLeaf(tok.tval, color_e.StringConst)
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| 19 | out.append(n2)
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| 20 |
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| 21 |
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| 22 | def _Token(obj):
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| 23 | # type: (Token) -> hnode_t
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| 24 | p_node = runtime.NewRecord('') # don't show node type
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| 25 | p_node.abbrev = True
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| 26 |
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| 27 | p_node.left = '<'
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| 28 | p_node.right = '>'
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| 29 | _AbbreviateToken(obj, p_node.unnamed_fields)
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| 30 | return p_node
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| 31 |
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| 32 |
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| 33 | def _CompoundWord(obj):
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| 34 | # type: (CompoundWord) -> hnode_t
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| 35 | p_node = runtime.NewRecord('') # don't show node type
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| 36 | p_node.abbrev = True
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| 37 | p_node.left = '{'
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| 38 | p_node.right = '}'
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| 39 |
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| 40 | for part in obj.parts:
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| 41 | p_node.unnamed_fields.append(part.AbbreviatedTree())
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| 42 | return p_node
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| 43 |
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| 44 |
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| 45 | def _DoubleQuoted(obj):
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| 46 | # type: (DoubleQuoted) -> hnode_t
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| 47 | if obj.left.id != Id.Left_DoubleQuote:
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| 48 | return None # Fall back on obj._AbbreviatedTree()
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| 49 |
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| 50 | p_node = runtime.NewRecord('DQ')
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| 51 | p_node.abbrev = True
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| 52 |
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| 53 | for part in obj.parts:
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| 54 | p_node.unnamed_fields.append(part.AbbreviatedTree())
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| 55 | return p_node
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| 56 |
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| 57 |
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| 58 | def _SingleQuoted(obj):
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| 59 | # type: (SingleQuoted) -> hnode_t
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| 60 |
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| 61 | # Only abbreviate 'foo', not $'foo\n' or r'foo'
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| 62 | if obj.left.id != Id.Left_SingleQuote:
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| 63 | return None # Fall back on obj._AbbreviatedTree()
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| 64 |
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| 65 | p_node = runtime.NewRecord('SQ')
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| 66 | p_node.abbrev = True
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| 67 |
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| 68 | for token in obj.tokens:
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| 69 | p_node.unnamed_fields.append(token.AbbreviatedTree())
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| 70 | return p_node
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| 71 |
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| 72 |
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| 73 | def _NameTok(obj):
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| 74 | # type: (NameTok) -> hnode_t
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| 75 | p_node = runtime.NewRecord('N')
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| 76 | p_node.abbrev = True
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| 77 |
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| 78 | if obj.left.id != Id.VSub_Name:
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| 79 | n1 = runtime.NewLeaf(Id_str(obj.left.id), color_e.OtherConst)
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| 80 | p_node.unnamed_fields.append(n1)
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| 81 |
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| 82 | n2 = runtime.NewLeaf(obj.var_name, color_e.StringConst)
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| 83 | p_node.unnamed_fields.append(n2)
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| 84 |
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| 85 | return p_node
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| 86 |
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| 87 |
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| 88 | def _BracedVarSub(obj):
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| 89 | # type: (BracedVarSub) -> hnode_t
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| 90 | p_node = runtime.NewRecord('${')
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| 91 | if obj.prefix_op or obj.bracket_op or obj.suffix_op:
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| 92 | return None # we have other fields to display; don't abbreviate
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| 93 |
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| 94 | p_node.abbrev = True
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| 95 | _AbbreviateToken(obj.token, p_node.unnamed_fields)
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| 96 | return p_node
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| 97 |
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| 98 |
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| 99 | def _command__Simple(obj):
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| 100 | # type: (command.Simple) -> hnode_t
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| 101 | p_node = runtime.NewRecord('C')
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| 102 | if (obj.redirects or obj.more_env or obj.typed_args or obj.block or
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| 103 | obj.do_fork == False):
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| 104 | return None # we have other fields to display; don't abbreviate
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| 105 |
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| 106 | p_node.abbrev = True
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| 107 |
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| 108 | for w in obj.words:
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| 109 | p_node.unnamed_fields.append(w.AbbreviatedTree())
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| 110 | return p_node
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| 111 |
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| 112 |
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| 113 | def _expr__Var(obj):
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| 114 | # type: (expr.Var) -> hnode_t
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| 115 | p_node = runtime.NewRecord('Var')
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| 116 | p_node.abbrev = True
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| 117 |
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| 118 | assert obj.left.id == Id.Expr_Name, obj.name
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| 119 | n1 = runtime.NewLeaf(obj.name, color_e.StringConst)
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| 120 | p_node.unnamed_fields.append(n1)
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| 121 | return p_node
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| 122 |
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| 123 |
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| 124 | def _expr__Const(obj):
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| 125 | # type: (expr.Const) -> hnode_t
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| 126 | p_node = runtime.NewRecord('Const')
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| 127 | p_node.abbrev = True
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| 128 |
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| 129 | tok = obj.c
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| 130 | out = p_node.unnamed_fields
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| 131 |
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| 132 | n1 = runtime.NewLeaf(Id_str(tok.id), color_e.OtherConst)
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| 133 | out.append(n1)
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| 134 |
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| 135 | n2 = runtime.NewLeaf(tok.tval, color_e.StringConst)
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| 136 | out.append(n2)
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| 137 | return p_node
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