| 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 | tok_str = tok.line.content[tok.col:tok.col + tok.length]
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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 | n2 = runtime.NewLeaf(tok_str, color_e.StringConst)
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| 18 | out.append(n2)
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| 19 |
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| 20 |
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| 21 | def _Token(obj):
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| 22 | # type: (Token) -> hnode_t
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| 23 | p_node = runtime.NewRecord('') # don't show node type
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| 24 | p_node.abbrev = True
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| 25 |
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| 26 | p_node.left = '<'
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| 27 | p_node.right = '>'
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| 28 | _AbbreviateToken(obj, p_node.unnamed_fields)
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| 29 | return p_node
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| 30 |
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| 31 |
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| 32 | def _CompoundWord(obj):
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| 33 | # type: (CompoundWord) -> hnode_t
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| 34 | p_node = runtime.NewRecord('') # don't show node type
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| 35 | p_node.abbrev = True
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| 36 | p_node.left = '{'
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| 37 | p_node.right = '}'
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| 38 |
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| 39 | for part in obj.parts:
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| 40 | p_node.unnamed_fields.append(part.AbbreviatedTree())
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| 41 | return p_node
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| 42 |
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| 43 |
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| 44 | def _DoubleQuoted(obj):
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| 45 | # type: (DoubleQuoted) -> hnode_t
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| 46 | if obj.left.id != Id.Left_DoubleQuote:
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| 47 | return None # Fall back on obj._AbbreviatedTree()
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| 48 |
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| 49 | p_node = runtime.NewRecord('DQ')
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| 50 | p_node.abbrev = True
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| 51 |
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| 52 | for part in obj.parts:
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| 53 | p_node.unnamed_fields.append(part.AbbreviatedTree())
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| 54 | return p_node
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| 55 |
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| 56 |
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| 57 | def _SingleQuoted(obj):
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| 58 | # type: (SingleQuoted) -> hnode_t
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| 59 |
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| 60 | # Only abbreviate 'foo', not $'foo\n' or r'foo'
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| 61 | if obj.left.id != Id.Left_SingleQuote:
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| 62 | return None # Fall back on obj._AbbreviatedTree()
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| 63 |
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| 64 | p_node = runtime.NewRecord('SQ')
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| 65 | p_node.abbrev = True
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| 66 |
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| 67 | n2 = runtime.NewLeaf(obj.sval, color_e.StringConst)
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| 68 | p_node.unnamed_fields.append(n2)
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| 69 | return p_node
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| 70 |
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| 71 |
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| 72 | def _SimpleVarSub(obj):
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| 73 | # type: (SimpleVarSub) -> hnode_t
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| 74 | p_node = runtime.NewRecord('$')
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| 75 | p_node.abbrev = True
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| 76 |
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| 77 | if obj.tok.id in (Id.VSub_DollarName, Id.VSub_Number): # $myvar or $1
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| 78 | # We want to show the variable name
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| 79 | # _AbbreviateToken(obj.tok, p_node.unnamed_fields)
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| 80 | tok = obj.tok
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| 81 | # Omit $
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| 82 | var_name = tok.line.content[tok.col + 1:tok.col + tok.length]
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| 83 | n1 = runtime.NewLeaf(var_name, color_e.StringConst)
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| 84 | p_node.unnamed_fields.append(n1)
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| 85 | else: # $?
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| 86 | n1 = runtime.NewLeaf(Id_str(obj.tok.id), color_e.OtherConst)
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| 87 | p_node.unnamed_fields.append(n1)
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| 88 |
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| 89 | return p_node
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| 90 |
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| 91 |
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| 92 | def _BracedVarSub(obj):
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| 93 | # type: (BracedVarSub) -> hnode_t
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| 94 | p_node = runtime.NewRecord('${')
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| 95 | if obj.prefix_op or obj.bracket_op or obj.suffix_op:
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| 96 | return None # we have other fields to display; don't abbreviate
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| 97 |
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| 98 | p_node.abbrev = True
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| 99 | _AbbreviateToken(obj.token, p_node.unnamed_fields)
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| 100 | return p_node
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| 101 |
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| 102 |
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| 103 | def _command__Simple(obj):
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| 104 | # type: (command.Simple) -> hnode_t
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| 105 | p_node = runtime.NewRecord('C')
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| 106 | if (obj.more_env or obj.typed_args or obj.block or obj.do_fork == False):
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| 107 | return None # we have other fields to display; don't abbreviate
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| 108 |
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| 109 | p_node.abbrev = True
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| 110 |
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| 111 | for w in obj.words:
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| 112 | p_node.unnamed_fields.append(w.AbbreviatedTree())
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| 113 | return p_node
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| 114 |
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| 115 |
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| 116 | def _expr__Var(obj):
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| 117 | # type: (expr.Var) -> hnode_t
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| 118 | p_node = runtime.NewRecord('Var')
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| 119 | p_node.abbrev = True
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| 120 |
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| 121 | assert obj.left.id == Id.Expr_Name, obj.name
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| 122 | n1 = runtime.NewLeaf(obj.name, color_e.StringConst)
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| 123 | p_node.unnamed_fields.append(n1)
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| 124 | return p_node
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| 125 |
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| 126 |
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| 127 | def _expr__Const(obj):
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| 128 | # type: (expr.Const) -> hnode_t
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| 129 | p_node = runtime.NewRecord('Const')
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| 130 | p_node.abbrev = True
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| 131 |
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| 132 | tok = obj.c
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| 133 | out = p_node.unnamed_fields
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| 134 |
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| 135 | n1 = runtime.NewLeaf(Id_str(tok.id), color_e.OtherConst)
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| 136 | out.append(n1)
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| 137 |
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| 138 | n2 = runtime.NewLeaf(tok.tval, color_e.StringConst)
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| 139 | out.append(n2)
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| 140 | return p_node
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