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-rw-r--r--libbuild2/lexer.cxx27
1 files changed, 25 insertions, 2 deletions
diff --git a/libbuild2/lexer.cxx b/libbuild2/lexer.cxx
index 6da8a80..ac62996 100644
--- a/libbuild2/lexer.cxx
+++ b/libbuild2/lexer.cxx
@@ -55,6 +55,12 @@ namespace build2
s2 = " ";
break;
}
+ case lexer_mode::case_patterns:
+ {
+ s1 = " $(){}[],|#\t\n";
+ s2 = " ";
+ break;
+ }
case lexer_mode::attribute:
{
s1 = " $(]#\t\n";
@@ -113,6 +119,7 @@ namespace build2
case lexer_mode::normal:
case lexer_mode::value:
case lexer_mode::values:
+ case lexer_mode::case_patterns:
case lexer_mode::attribute:
case lexer_mode::variable:
case lexer_mode::buildspec: break;
@@ -150,7 +157,9 @@ namespace build2
{
// Expire value/values modes at the end of the line.
//
- if (m == lexer_mode::value || m == lexer_mode::values)
+ if (m == lexer_mode::value ||
+ m == lexer_mode::values ||
+ m == lexer_mode::case_patterns)
state_.pop ();
sep = true; // Treat newline as always separated.
@@ -227,7 +236,9 @@ namespace build2
// The following characters are special in the values and buildspec mode.
//
- if (m == lexer_mode::values || m == lexer_mode::buildspec)
+ if (m == lexer_mode::buildspec ||
+ m == lexer_mode::values ||
+ m == lexer_mode::case_patterns)
{
// NOTE: remember to update mode() if adding new special characters.
//
@@ -237,6 +248,18 @@ namespace build2
}
}
+ // The following characters are special in the case_patterns mode.
+ //
+ if (m == lexer_mode::case_patterns)
+ {
+ // NOTE: remember to update mode() if adding new special characters.
+ //
+ switch (c)
+ {
+ case '|': return make_token (type::bit_or);
+ }
+ }
+
// Otherwise it is a word.
//
unget (c);