[Crosstoolchain-logs] [device-tree-compiler] 07/357: Oops. Using %{ %} in the rules (rather than definitions) section of a lex file has undefined behaviour. In fact it ends up including the stuff within the definition of the yylex() function, leading to strange warnings on gcc-3.4 and compile errors with gcc 4.

[Hector Oron]

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zumbi pushed a commit to branch upstream/1.3.x
in repository device-tree-compiler.

commit c5c437e25b13d906715b4c608c363195873a1726
Author: David Gibson <dgibson at sneetch.(none)>
Date:   Mon Jul 4 13:53:14 2005 +1000

    Oops.  Using %{  %} in the rules (rather than definitions) section of a
    lex file has undefined behaviour.  In fact it ends up including the stuff
    within the definition of the yylex() function, leading to strange warnings
    on gcc-3.4 and compile errors with gcc 4.
---
 dtc-lexer.l | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/dtc-lexer.l b/dtc-lexer.l
index 58fe27c..1a16cae 100644
--- a/dtc-lexer.l
+++ b/dtc-lexer.l
@@ -29,8 +29,6 @@ WS		[ \t\n]
 
 REFCHAR		({PROPCHAR}|{UNITCHAR}|[/@])
 
-%%
-
 %{
 #include "dtc.h"
 
@@ -46,6 +44,8 @@ REFCHAR		({PROPCHAR}|{UNITCHAR}|[/@])
 
 %}
 
+%%
+
 \"[^"]*\"	{
 			DPRINT("String: %s\n", yytext);
 			yylval.data = data_copy_escape_string(yytext+1,

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