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cmake-parser: clean up

This commit is contained in:
Přemysl Eric Janouch 2022-09-28 00:06:51 +02:00
parent af2756ee01
commit 4c3837ae2c
Signed by: p
GPG Key ID: A0420B94F92B9493
1 changed files with 37 additions and 35 deletions
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72
tools/cmake-parser.awk
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@ -133,6 +133,15 @@ function quoted_argument( v, unescaped) {
return v
}
function finalize_quoted(expanded, v) {
while (match(expanded, /\\./)) {
v = v substr(expanded, 1, RSTART - 1) \
substr(expanded, RSTART + 1, 1)
expanded = substr(expanded, RSTART + RLENGTH)
}
Args[++N] = v expanded
}
function unquoted_argument( v, unescaped) {
while (1) {
if (match($0, /^[^[:space:]()#"\\]+/)) {
@ -151,43 +160,36 @@ function unquoted_argument( v, unescaped) {
}
}
# Note that we keep and reprocess some escape sequences in here.
function finalize_unquoted(expanded, v) {
while (expanded) {
if (expanded ~ /^;/) {
if (v)
Args[++N] = v
v = ""
expanded = substr(expanded, 2)
} else if (expanded ~ /^\\./) {
v = v substr(expanded, 2, 1)
expanded = substr(expanded, 3)
} else {
v = v substr(expanded, 1, 1)
expanded = substr(expanded, 2)
}
}
if (v)
Args[++N] = v
}
# We keep and reprocess some escape sequences in here.
function argument( arg, expanded, v) {
if (regexp("\\[=*\\[")) {
if (regexp("\\[=*\\["))
Args[++N] = unbracket(RLENGTH - 2)
return 1
}
if ((arg = quoted_argument()) || arg == "") {
expanded = expand(arg)
while (match(expanded, /\\./)) {
v = v substr(expanded, 1, RSTART - 1) \
substr(expanded, RSTART + 1, 1)
expanded = substr(expanded, RSTART + RLENGTH)
}
Args[++N] = v expanded
return 1
}
if ((arg = unquoted_argument())) {
expanded = expand(arg)
while (expanded) {
if (expanded ~ /^;/) {
if (v)
Args[++N] = v
v = ""
expanded = substr(expanded, 2)
} else if (expanded ~ /^\\./) {
v = v substr(expanded, 2, 1)
expanded = substr(expanded, 3)
} else {
v = v substr(expanded, 1, 1)
expanded = substr(expanded, 2)
}
}
if (v)
Args[++N] = v
return 1
}
return 0
else if ((arg = quoted_argument()) || arg == "")
finalize_quoted(expand(arg))
else if ((arg = unquoted_argument()))
finalize_unquoted(expand(arg))
else
return 0
return 1
}
# ------------------------------------------------------------------------------