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move ParseData to own header, rename to ParserState

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ParserState better describes what this struct really is. the parser
really does modify its state (most notably position and symbol tables),
so calling it that rather than obliquely "data" (which implies being
input only) makes sense.
This commit is contained in:
pennae 2024-01-15 16:52:18 +01:00
parent 1b09b80afa
commit 0076056164
3 changed files with 339 additions and 353 deletions
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17
src/libexpr/lexer.l
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@ -29,12 +29,7 @@ using namespace nix;
namespace nix {
static inline PosIdx makeCurPos(const YYLTYPE & loc, ParseData * data)
{
return data->state.positions.add(data->origin, loc.first_line, loc.first_column);
}
#define CUR_POS makeCurPos(*yylloc, data)
#define CUR_POS state->makeCurPos(*yylloc)
static void initLoc(YYLTYPE * loc)
{
@ -153,7 +148,7 @@ or { return OR_KW; }
} catch (const boost::bad_lexical_cast &) {
throw ParseError({
.msg = hintfmt("invalid integer '%1%'", yytext),
.errPos = data->state.positions[CUR_POS],
.errPos = state->state.positions[CUR_POS],
});
}
return INT_LIT;
@ -163,7 +158,7 @@ or { return OR_KW; }
if (errno != 0)
throw ParseError({
.msg = hintfmt("invalid float '%1%'", yytext),
.errPos = data->state.positions[CUR_POS],
.errPos = state->state.positions[CUR_POS],
});
return FLOAT_LIT;
}
@ -186,7 +181,7 @@ or { return OR_KW; }
/* It is impossible to match strings ending with '$' with one
regex because trailing contexts are only valid at the end
of a rule. (A sane but undocumented limitation.) */
yylval->str = unescapeStr(data->symbols, yytext, yyleng);
yylval->str = unescapeStr(state->symbols, yytext, yyleng);
return STR;
}
<STRING>\$\{ { PUSH_STATE(DEFAULT); return DOLLAR_CURLY; }
@ -214,7 +209,7 @@ or { return OR_KW; }
return IND_STR;
}
<IND_STRING>\'\'\\{ANY} {
yylval->str = unescapeStr(data->symbols, yytext + 2, yyleng - 2);
yylval->str = unescapeStr(state->symbols, yytext + 2, yyleng - 2);
return IND_STR;
}
<IND_STRING>\$\{ { PUSH_STATE(DEFAULT); return DOLLAR_CURLY; }
@ -292,7 +287,7 @@ or { return OR_KW; }
<INPATH_SLASH><<EOF>> {
throw ParseError({
.msg = hintfmt("path has a trailing slash"),
.errPos = data->state.positions[CUR_POS],
.errPos = state->state.positions[CUR_POS],
});
}