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| author | Taeer Bar-Yam <taeer@bar-yam.me> | 2021-09-29 19:37:51 -0400 |
|---|---|---|
| committer | Taeer Bar-Yam <taeer@bar-yam.me> | 2021-09-29 19:47:01 -0400 |
| commit | f14660d5e20df07d7b32d7658c83a76c713bc915 (patch) | |
| tree | d6a54bad48390ed66322cf91e27da8e08f99d7a6 /src/libexpr | |
| parent | fd01c48d34d8caa98c3287f7736cf1e7b79c97b0 (diff) | |
reset yylloc when yyless(0) is called
Diffstat (limited to 'src/libexpr')
| -rw-r--r-- | src/libexpr/lexer.l | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/libexpr/lexer.l b/src/libexpr/lexer.l index 8ad6a1957..51593eccd 100644 --- a/src/libexpr/lexer.l +++ b/src/libexpr/lexer.l @@ -28,6 +28,8 @@ using namespace nix; namespace nix { +// backup to recover from yyless(0) +YYLTYPE prev_yylloc; static void initLoc(YYLTYPE * loc) { @@ -38,6 +40,8 @@ static void initLoc(YYLTYPE * loc) static void adjustLoc(YYLTYPE * loc, const char * s, size_t len) { + prev_yylloc = *loc; + loc->first_line = loc->last_line; loc->first_column = loc->last_column; @@ -210,6 +214,7 @@ or { return OR_KW; } {HPATH_START}\$\{ { PUSH_STATE(PATH_START); yyless(0); + *yylloc = prev_yylloc; } <PATH_START>{PATH_SEG} { @@ -265,6 +270,7 @@ or { return OR_KW; } context (it may be ')', ';', or something of that sort) */ POP_STATE(); yyless(0); + *yylloc = prev_yylloc; return PATH_END; } |