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author | 2023-06-01 22:20:16 +0100 | |
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committer | 2023-06-01 22:20:16 +0100 | |
commit | 55aacaf4b07c1921061245cbaa3d307e97cf3c29 (patch) | |
tree | d969c5d9728566de1e794e19c5b19d3b660f790e /vendor/github.com/bytedance/sonic/ast/decode.go | |
parent | [chore/frontend] refactor header templating, add apple-touch-icon (#1850) (diff) | |
download | gotosocial-55aacaf4b07c1921061245cbaa3d307e97cf3c29.tar.xz |
[chore]: Bump github.com/gin-gonic/gin from 1.9.0 to 1.9.1 (#1855)
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Diffstat (limited to 'vendor/github.com/bytedance/sonic/ast/decode.go')
-rw-r--r-- | vendor/github.com/bytedance/sonic/ast/decode.go | 161 |
1 files changed, 153 insertions, 8 deletions
diff --git a/vendor/github.com/bytedance/sonic/ast/decode.go b/vendor/github.com/bytedance/sonic/ast/decode.go index d54e98318..6a5f6fea3 100644 --- a/vendor/github.com/bytedance/sonic/ast/decode.go +++ b/vendor/github.com/bytedance/sonic/ast/decode.go @@ -1,3 +1,19 @@ +/* + * Copyright 2022 ByteDance Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + package ast import ( @@ -24,6 +40,7 @@ func isSpace(c byte) bool { return (int(1<<c) & _blankCharsMask) != 0 } +//go:nocheckptr func skipBlank(src string, pos int) int { se := uintptr(rt.IndexChar(src, len(src))) sp := uintptr(rt.IndexChar(src, pos)) @@ -77,6 +94,7 @@ func decodeFalse(src string, pos int) (ret int) { return -int(types.ERR_INVALID_CHAR) } +//go:nocheckptr func decodeString(src string, pos int) (ret int, v string) { ret, ep := skipString(src, pos) if ep == -1 { @@ -112,6 +130,7 @@ func isDigit(c byte) bool { return c >= '0' && c <= '9' } +//go:nocheckptr func decodeInt64(src string, pos int) (ret int, v int64, err error) { sp := uintptr(rt.IndexChar(src, pos)) ss := uintptr(sp) @@ -161,6 +180,7 @@ func isNumberChars(c byte) bool { return (c >= '0' && c <= '9') || c == '+' || c == '-' || c == 'e' || c == 'E' || c == '.' } +//go:nocheckptr func decodeFloat64(src string, pos int) (ret int, v float64, err error) { sp := uintptr(rt.IndexChar(src, pos)) ss := uintptr(sp) @@ -255,6 +275,7 @@ func decodeValue(src string, pos int) (ret int, v types.JsonState) { } } +//go:nocheckptr func skipNumber(src string, pos int) (ret int) { sp := uintptr(rt.IndexChar(src, pos)) se := uintptr(rt.IndexChar(src, len(src))) @@ -281,7 +302,7 @@ func skipNumber(src string, pos int) (ret int) { } else if nextNeedDigit { return -int(types.ERR_INVALID_CHAR) } else if c == '.' { - if !lastIsDigit || pointer || sp == ss { + if !lastIsDigit || pointer || exponent || sp == ss { return -int(types.ERR_INVALID_CHAR) } pointer = true @@ -319,6 +340,7 @@ func skipNumber(src string, pos int) (ret int) { return int(uintptr(sp) - uintptr((*rt.GoString)(unsafe.Pointer(&src)).Ptr)) } +//go:nocheckptr func skipString(src string, pos int) (ret int, ep int) { if pos+1 >= len(src) { return -int(types.ERR_EOF), -1 @@ -327,6 +349,7 @@ func skipString(src string, pos int) (ret int, ep int) { sp := uintptr(rt.IndexChar(src, pos)) se := uintptr(rt.IndexChar(src, len(src))) + // not start with quote if *(*byte)(unsafe.Pointer(sp)) != '"' { return -int(types.ERR_INVALID_CHAR), -1 } @@ -344,18 +367,16 @@ func skipString(src string, pos int) (ret int, ep int) { } sp += 1 if c == '"' { - break + return int(uintptr(sp) - uintptr((*rt.GoString)(unsafe.Pointer(&src)).Ptr)), ep } } - if sp > se { - return -int(types.ERR_EOF), -1 - } - runtime.KeepAlive(src) - return int(uintptr(sp) - uintptr((*rt.GoString)(unsafe.Pointer(&src)).Ptr)), ep + // not found the closed quote until EOF + return -int(types.ERR_EOF), -1 } +//go:nocheckptr func skipPair(src string, pos int, lchar byte, rchar byte) (ret int) { if pos+1 >= len(src) { return -int(types.ERR_EOF) @@ -403,7 +424,7 @@ func skipPair(src string, pos int, lchar byte, rchar byte) (ret int) { return int(uintptr(sp) - uintptr((*rt.GoString)(unsafe.Pointer(&src)).Ptr)) } -func skipValue(src string, pos int) (ret int, start int) { +func skipValueFast(src string, pos int) (ret int, start int) { pos = skipBlank(src, pos) if pos < 0 { return pos, -1 @@ -428,3 +449,127 @@ func skipValue(src string, pos int) (ret int, start int) { } return ret, pos } + +func skipValue(src string, pos int) (ret int, start int) { + pos = skipBlank(src, pos) + if pos < 0 { + return pos, -1 + } + switch c := src[pos]; c { + case 'n': + ret = decodeNull(src, pos) + case '"': + ret, _ = skipString(src, pos) + case '{': + ret, _ = skipObject(src, pos) + case '[': + ret, _ = skipArray(src, pos) + case 't': + ret = decodeTrue(src, pos) + case 'f': + ret = decodeFalse(src, pos) + case '-', '+', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9': + ret = skipNumber(src, pos) + default: + ret = -int(types.ERR_INVALID_CHAR) + } + return ret, pos +} + +func skipObject(src string, pos int) (ret int, start int) { + start = skipBlank(src, pos) + if start < 0 { + return start, -1 + } + + if src[start] != '{' { + return -int(types.ERR_INVALID_CHAR), -1 + } + + pos = start + 1 + pos = skipBlank(src, pos) + if pos < 0 { + return pos, -1 + } + if src[pos] == '}' { + return pos + 1, start + } + + for { + pos, _ = skipString(src, pos) + if pos < 0 { + return pos, -1 + } + + pos = skipBlank(src, pos) + if pos < 0 { + return pos, -1 + } + if src[pos] != ':' { + return -int(types.ERR_INVALID_CHAR), -1 + } + + pos++ + pos, _ = skipValue(src, pos) + if pos < 0 { + return pos, -1 + } + + pos = skipBlank(src, pos) + if pos < 0 { + return pos, -1 + } + if src[pos] == '}' { + return pos + 1, start + } + if src[pos] != ',' { + return -int(types.ERR_INVALID_CHAR), -1 + } + + pos++ + pos = skipBlank(src, pos) + if pos < 0 { + return pos, -1 + } + + } +} + +func skipArray(src string, pos int) (ret int, start int) { + start = skipBlank(src, pos) + if start < 0 { + return start, -1 + } + + if src[start] != '[' { + return -int(types.ERR_INVALID_CHAR), -1 + } + + pos = start + 1 + pos = skipBlank(src, pos) + if pos < 0 { + return pos, -1 + } + if src[pos] == ']' { + return pos + 1, start + } + + for { + pos, _ = skipValue(src, pos) + if pos < 0 { + return pos, -1 + } + + pos = skipBlank(src, pos) + if pos < 0 { + return pos, -1 + } + if src[pos] == ']' { + return pos + 1, start + } + if src[pos] != ',' { + return -int(types.ERR_INVALID_CHAR), -1 + } + pos++ + } +} |