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Use escape sequences rather than hex in string/char literals (#6941)

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This should makes documentation easier to read for people who haven't
committed the ascii table to memory.
This commit is contained in:
Mathias Stearn
2017-12-18 11:49:49 -05:00
committed by Andreas Rumpf
parent 2775cda6e1
commit 07fe1aa655
1 changed files with 11 additions and 2 deletions
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13
compiler/renderer.nim
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@@ -175,8 +175,17 @@ proc put(g: var TSrcGen, kind: TTokType, s: string) =
proc toNimChar(c: char): string =
case c
of '\0': result = "\\0"
of '\x01'..'\x1F', '\x80'..'\xFF': result = "\\x" & strutils.toHex(ord(c), 2)
of '\0': result = "\\x00" # not "\\0" to avoid ambiguous cases like "\\012".
of '\a': result = "\\a" # \x07
of '\b': result = "\\b" # \x08
of '\t': result = "\\t" # \x09
of '\L': result = "\\L" # \x0A
of '\v': result = "\\v" # \x0B
of '\f': result = "\\f" # \x0C
of '\c': result = "\\c" # \x0D
of '\e': result = "\\e" # \x1B
of '\x01'..'\x06', '\x0E'..'\x1A', '\x1C'..'\x1F', '\x80'..'\xFF':
result = "\\x" & strutils.toHex(ord(c), 2)
of '\'', '\"', '\\': result = '\\' & c
else: result = c & ""