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Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Acked-by: Matt Turner <mattst88@gmail.com>
Acked-by: Jose Fonseca <jfonseca@vmware.com>
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For the first line we were initializing the column to 1, but for all
subsequent lines we were initializing the column to 0. The column number is
advanced for each token read before any error message is printed. So the 0
value is the correct initialization, (so that the first column is reported as
column 1).
With this extremely minor change, many of the .expected files are updated such
that error messages for the first line now have the correct column number in
them.
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
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Previously, if the preprocessor encountered a #define with a non-identifier,
such as:
#define 123 456
The lexer had no explicit rules to match non-identifiers in the <DEFINE> start
state. Because of this, flex's default rule was being invoked, (printing
characters to stdout), and all text was being discarded by the compiler until
the next identifier. As one can imagine, this led to all sorts of interesting
and surprising results.
Fix this by adding an explicit rule complementing the existing
identifier-based rules that should catch all non-identifiers after #define and
reliably give a well-formatted error message.
A new test is added to "make check" to ensure this bug stays fixed.
This commit also fixes the following Khronos GLES3 CTS test:
define_non_identifier_vertex
(The "fragment" variant was passing earlier only because the preprocessor was
behaving so randomly and causing the compilation to fail. It's lucky, in fact,
that the "vertex" version succesfully compiled so we could find and fix this
bug.)
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
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