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fc48c7e615
the function name extension encoded by paths could be useful for debugging where the function is from Before: ```js function newSeq_33556909(len_33556911) ``` After: ```js function newSeq__system_u2477(len_p0) ```
60 lines
1.5 KiB
Nim
60 lines
1.5 KiB
Nim
import std/strutils
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import ast, modulegraphs
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proc mangle*(name: string): string =
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result = newStringOfCap(name.len)
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var start = 0
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if name[0] in Digits:
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result.add("X" & name[0])
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start = 1
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var requiresUnderscore = false
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template special(x) =
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result.add x
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requiresUnderscore = true
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for i in start..<name.len:
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let c = name[i]
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case c
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of 'a'..'z', '0'..'9', 'A'..'Z':
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result.add(c)
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of '_':
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# we generate names like 'foo_9' for scope disambiguations and so
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# disallow this here:
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if i > 0 and i < name.len-1 and name[i+1] in Digits:
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discard
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else:
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result.add(c)
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of '$': special "dollar"
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of '%': special "percent"
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of '&': special "amp"
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of '^': special "roof"
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of '!': special "emark"
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of '?': special "qmark"
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of '*': special "star"
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of '+': special "plus"
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of '-': special "minus"
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of '/': special "slash"
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of '\\': special "backslash"
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of '=': special "eq"
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of '<': special "lt"
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of '>': special "gt"
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of '~': special "tilde"
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of ':': special "colon"
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of '.': special "dot"
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of '@': special "at"
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of '|': special "bar"
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else:
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result.add("X" & toHex(ord(c), 2))
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requiresUnderscore = true
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if requiresUnderscore:
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result.add "_"
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proc mangleParamExt*(s: PSym): string =
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result = "_p"
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result.addInt s.position
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proc mangleProcNameExt*(graph: ModuleGraph, s: PSym): string =
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result = "__"
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result.add graph.ifaces[s.itemId.module].uniqueName
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result.add "_u"
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result.addInt s.itemId.item # s.disamb #
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