| 1 | """
|
| 2 | syntax_abbrev.py - Abbreviations for pretty-printing syntax.asdl.
|
| 3 | """
|
| 4 |
|
| 5 | from _devbuild.gen.id_kind_asdl import Id, Id_str
|
| 6 | from _devbuild.gen.hnode_asdl import hnode, hnode_t, color_e
|
| 7 | from asdl import runtime
|
| 8 |
|
| 9 | from typing import List, Optional, TYPE_CHECKING
|
| 10 | if TYPE_CHECKING:
|
| 11 | from _devbuild.gen.syntax_asdl import (Token, CompoundWord, DoubleQuoted,
|
| 12 | SingleQuoted, BracedVarSub,
|
| 13 | SimpleVarSub, command, expr)
|
| 14 |
|
| 15 | __all__ = [
|
| 16 | '_Token', '_CompoundWord', '_DoubleQuoted', '_SingleQuoted',
|
| 17 | '_BracedVarSub', '_SimpleVarSub', '_command__Simple', '_expr__Var',
|
| 18 | '_expr__Const'
|
| 19 | ]
|
| 20 |
|
| 21 |
|
| 22 | def _AbbreviateToken(tok, out):
|
| 23 | # type: (Token, List[hnode_t]) -> None
|
| 24 | tok_str = tok.line.content[tok.col:tok.col + tok.length]
|
| 25 | n1 = runtime.NewLeaf(Id_str(tok.id, dot=False), color_e.OtherConst)
|
| 26 | out.append(n1)
|
| 27 | n2 = runtime.NewLeaf(tok_str, color_e.StringConst)
|
| 28 | out.append(n2)
|
| 29 |
|
| 30 |
|
| 31 | def _Token(obj):
|
| 32 | # type: (Token) -> hnode_t
|
| 33 | p_node = runtime.NewRecord('') # don't show node type
|
| 34 |
|
| 35 | p_node.left = '<'
|
| 36 | p_node.right = '>'
|
| 37 | p_node.unnamed_fields = []
|
| 38 | _AbbreviateToken(obj, p_node.unnamed_fields)
|
| 39 | return p_node
|
| 40 |
|
| 41 |
|
| 42 | def _CompoundWord(obj):
|
| 43 | # type: (CompoundWord) -> hnode_t
|
| 44 | p_node = runtime.NewRecord('w')
|
| 45 | p_node.left = '('
|
| 46 | p_node.right = ')'
|
| 47 |
|
| 48 | p_node.unnamed_fields = []
|
| 49 | for part in obj.parts:
|
| 50 | p_node.unnamed_fields.append(part.PrettyTree(True))
|
| 51 | return p_node
|
| 52 |
|
| 53 |
|
| 54 | def _DoubleQuoted(obj):
|
| 55 | # type: (DoubleQuoted) -> hnode_t
|
| 56 | if obj.left.id != Id.Left_DoubleQuote:
|
| 57 | return None # Fall back on obj._PrettyTree(True)
|
| 58 |
|
| 59 | p_node = runtime.NewRecord('DQ')
|
| 60 |
|
| 61 | p_node.unnamed_fields = []
|
| 62 | for part in obj.parts:
|
| 63 | p_node.unnamed_fields.append(part.PrettyTree(True))
|
| 64 | return p_node
|
| 65 |
|
| 66 |
|
| 67 | def _SingleQuoted(obj):
|
| 68 | # type: (SingleQuoted) -> hnode_t
|
| 69 |
|
| 70 | # Only abbreviate 'foo', not $'foo\n' or r'foo'
|
| 71 | if obj.left.id != Id.Left_SingleQuote:
|
| 72 | return None # Fall back on obj._PrettyTree(True)
|
| 73 |
|
| 74 | p_node = runtime.NewRecord('SQ')
|
| 75 |
|
| 76 | p_node.unnamed_fields = []
|
| 77 | n2 = runtime.NewLeaf(obj.sval, color_e.StringConst)
|
| 78 | p_node.unnamed_fields.append(n2)
|
| 79 | return p_node
|
| 80 |
|
| 81 |
|
| 82 | def _SimpleVarSub(obj):
|
| 83 | # type: (SimpleVarSub) -> hnode_t
|
| 84 | p_node = runtime.NewRecord('$')
|
| 85 |
|
| 86 | p_node.unnamed_fields = []
|
| 87 | if obj.tok.id in (Id.VSub_DollarName, Id.VSub_Number): # $myvar or $1
|
| 88 | # We want to show the variable name
|
| 89 | # _AbbreviateToken(obj.tok, p_node.unnamed_fields)
|
| 90 | tok = obj.tok
|
| 91 | # Omit $
|
| 92 | var_name = tok.line.content[tok.col + 1:tok.col + tok.length]
|
| 93 | n1 = runtime.NewLeaf(var_name, color_e.StringConst)
|
| 94 | p_node.unnamed_fields.append(n1)
|
| 95 | else: # $?
|
| 96 | n1 = runtime.NewLeaf(Id_str(obj.tok.id, dot=False), color_e.OtherConst)
|
| 97 | p_node.unnamed_fields.append(n1)
|
| 98 |
|
| 99 | return p_node
|
| 100 |
|
| 101 |
|
| 102 | def _BracedVarSub(obj):
|
| 103 | # type: (BracedVarSub) -> Optional[hnode_t]
|
| 104 | p_node = runtime.NewRecord('${')
|
| 105 | if (obj.prefix_op is not None or obj.bracket_op is not None or
|
| 106 | obj.suffix_op is not None):
|
| 107 | return None # we have other fields to display; don't abbreviate
|
| 108 |
|
| 109 | p_node.unnamed_fields = []
|
| 110 | _AbbreviateToken(obj.name_tok, p_node.unnamed_fields)
|
| 111 | return p_node
|
| 112 |
|
| 113 |
|
| 114 | def _command__Simple(obj):
|
| 115 | # type: (command.Simple) -> Optional[hnode_t]
|
| 116 | p_node = runtime.NewRecord('C')
|
| 117 | if (len(obj.more_env) or obj.typed_args is not None or
|
| 118 | obj.block is not None or obj.is_last_cmd == True):
|
| 119 | return None # we have other fields to display; don't abbreviate
|
| 120 |
|
| 121 | p_node.unnamed_fields = []
|
| 122 | for w in obj.words:
|
| 123 | p_node.unnamed_fields.append(w.PrettyTree(True))
|
| 124 | return p_node
|
| 125 |
|
| 126 |
|
| 127 | def _expr__Var(obj):
|
| 128 | # type: (expr.Var) -> hnode_t
|
| 129 | p_node = runtime.NewRecord('Var')
|
| 130 |
|
| 131 | assert obj.left.id == Id.Expr_Name, obj.name
|
| 132 | n1 = runtime.NewLeaf(obj.name, color_e.StringConst)
|
| 133 | p_node.unnamed_fields = [n1]
|
| 134 | return p_node
|
| 135 |
|
| 136 |
|
| 137 | def _expr__Const(obj):
|
| 138 | # type: (expr.Const) -> hnode_t
|
| 139 | p_node = runtime.NewRecord('Const')
|
| 140 |
|
| 141 | tok = obj.c
|
| 142 | n1 = runtime.NewLeaf(Id_str(tok.id, dot=False), color_e.OtherConst)
|
| 143 | n2 = runtime.NewLeaf(tok.tval, color_e.StringConst)
|
| 144 |
|
| 145 | p_node.unnamed_fields = [n1, n2]
|
| 146 | return p_node
|