jyapayne/nim-glew
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Remove regex requirement

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This commit is contained in:
Joey Yakimowich-Payne 2020-09-08 21:10:50 -06:00
commit 4220d2bf1f
2 changed files with 27 additions and 23 deletions
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2
glew.nimble
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@ -10,4 +10,4 @@ srcDir = "src"
# Dependencies
requires "nim >= 1.0.6", "https://github.com/jyapayne/nimterop#367ec05", "regex >= 0.14.1"
requires "nim >= 1.0.6", "https://github.com/jyapayne/nimterop#367ec05"

48
src/glew/cleansymbols.nim
View file

@ -1,25 +1,34 @@
import macros, nimterop / plugin
import strutils, regex
import strutils
import sets
proc firstLetterLower(m: RegexMatch, s: string): string =
if m.groupsCount > 0 and m.group(0).len > 0:
return s[m.group(0)[0]].toLowerAscii
template camelCase(str: string): string =
var res = newStringOfCap(str.len)
for i in 0..<str.len:
if str[i] == '_' and i < str.len - 1:
res.add(str[i+1].toUpperAscii)
else:
res.add(str[i])
res
proc camelCase(m: RegexMatch, s: string): string =
if m.groupsCount > 0 and m.group(0).len > 0:
return s[m.group(0)[0]].toUpperAscii
template lowerFirstLetter(str, rep: string): string =
if str.startsWith(rep):
var res = str[rep.len .. ^1]
res[0] = res[0].toLowerAscii
res
else:
str
proc nothing(m: RegexMatch, s: string): string =
if m.groupsCount > 0 and m.group(0).len > 0:
return s[m.group(0)[0]]
template nothing(str, rep: string): string =
if str.startsWith(rep):
str[rep.len .. ^1]
else:
str
const replacements = [
re"^glew(.)",
"glew",
]
const underscoreReg = re"_(.)"
# Symbol renaming examples
proc onSymbol*(sym: var Symbol) {.exportc, dynlib.} =
if sym.name.startsWith("__"):
@ -38,24 +47,19 @@ proc onSymbol*(sym: var Symbol) {.exportc, dynlib.} =
sym.name = "CGL_FIXED"
if sym.name.startsWith("PFNGLGETTRANSFORMFEEDBACKIVPROC"):
sym.name = "CPFNGLGETTRANSFORMFEEDBACKIVPROC"
if sym.kind == nskProc or sym.kind == nskType or sym.kind == nskConst:
if sym.name != "_":
sym.name = sym.name.strip(chars={'_'}).replace("__", "_")
for rep in replacements:
if sym.kind == nskProc:
try:
sym.name = sym.name.replace(rep, firstLetterLower)
except:
discard
sym.name = lowerFirstLetter(sym.name, rep)
else:
try:
sym.name = sym.name.replace(rep, nothing)
except:
discard
sym.name = nothing(sym.name, rep)
if sym.kind == nskField:
sym.name = sym.name.replace(underscoreReg, camelCase)
sym.name = camelCase(sym.name)
if sym.name == "type":
sym.name = "kind"