Module Name: src Committed By: rillig Date: Fri Dec 3 18:23:03 UTC 2021
Modified Files: src/usr.bin/make: var.c Log Message: make: extract ParseModifierPartExpr from ParseModifierPartSubst No functional change. To generate a diff of this commit: cvs rdiff -u -r1.956 -r1.957 src/usr.bin/make/var.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/usr.bin/make/var.c diff -u src/usr.bin/make/var.c:1.956 src/usr.bin/make/var.c:1.957 --- src/usr.bin/make/var.c:1.956 Fri Dec 3 18:08:51 2021 +++ src/usr.bin/make/var.c Fri Dec 3 18:23:03 2021 @@ -1,4 +1,4 @@ -/* $NetBSD: var.c,v 1.956 2021/12/03 18:08:51 rillig Exp $ */ +/* $NetBSD: var.c,v 1.957 2021/12/03 18:23:03 rillig Exp $ */ /* * Copyright (c) 1988, 1989, 1990, 1993 @@ -140,7 +140,7 @@ #include "metachar.h" /* "@(#)var.c 8.3 (Berkeley) 3/19/94" */ -MAKE_RCSID("$NetBSD: var.c,v 1.956 2021/12/03 18:08:51 rillig Exp $"); +MAKE_RCSID("$NetBSD: var.c,v 1.957 2021/12/03 18:23:03 rillig Exp $"); /* * Variables are defined using one of the VAR=value assignments. Their @@ -2139,6 +2139,24 @@ IsEscapedModifierPart(const char *p, cha } /* + * In a part of a modifier, parse a subexpression and evaluate it. + */ +static void +ParseModifierPartExpr(const char **pp, LazyBuf *part, const ModChain *ch, + VarEvalMode emode) +{ + const char *p = *pp; + FStr nested_val; + + (void)Var_Parse(&p, ch->expr->scope, + VarEvalMode_WithoutKeepDollar(emode), &nested_val); + /* TODO: handle errors */ + LazyBuf_AddStr(part, nested_val.str); + FStr_Done(&nested_val); + *pp = p; +} + +/* * In a part of a modifier, parse a subexpression but don't evaluate it. * * XXX: This whole block is very similar to Var_Parse with VARE_PARSE_ONLY. @@ -2228,21 +2246,10 @@ ParseModifierPartSubst( continue; } - if (VarEvalMode_ShouldEval(emode)) { - /* Nested variable, evaluated */ - const char *nested_p = p; - FStr nested_val; - - (void)Var_Parse(&nested_p, ch->expr->scope, - VarEvalMode_WithoutKeepDollar(emode), &nested_val); - /* TODO: handle errors */ - LazyBuf_AddStr(part, nested_val.str); - FStr_Done(&nested_val); - p += nested_p - p; - continue; - } - - ParseModifierPartDollar(&p, part); + if (VarEvalMode_ShouldEval(emode)) + ParseModifierPartExpr(&p, part, ch, emode); + else + ParseModifierPartDollar(&p, part); } if (*p != delim) {