83 lines
2.7 KiB
Diff
83 lines
2.7 KiB
Diff
From 078b46c69d063aef1715b11348a2871d6036f253 Mon Sep 17 00:00:00 2001
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From: Christos Zoulas <christos@zoulas.com>
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Date: Sun, 22 Jan 2017 18:34:30 +0100
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Subject: [PATCH] Add more defines in the non-reentrant part.
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Fix the reentrant part; don't "#define yyfoo yyfoo" because it breaks
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code that does #ifndef yywrap ..
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---
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src/flex.skl | 16 ++++++++++++++--
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1 file changed, 14 insertions(+), 2 deletions(-)
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diff --git a/src/flex.skl b/src/flex.skl
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index 190700f..6a7cde4 100644
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--- src/flex.skl
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+++ src/flex.skl
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@@ -61,11 +61,17 @@ m4_changequote([[, ]])
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m4_ifelse(M4_YY_PREFIX,yy,,
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#define yy_create_buffer M4_YY_PREFIX[[_create_buffer]]
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#define yy_delete_buffer M4_YY_PREFIX[[_delete_buffer]]
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-#define yy_flex_debug M4_YY_PREFIX[[_flex_debug]]
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+#define yy_scan_buffer M4_YY_PREFIX[[_scan_buffer]]
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+#define yy_scan_string M4_YY_PREFIX[[_scan_string]]
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+#define yy_scan_bytes M4_YY_PREFIX[[_scan_bytes]]
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#define yy_init_buffer M4_YY_PREFIX[[_init_buffer]]
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#define yy_flush_buffer M4_YY_PREFIX[[_flush_buffer]]
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#define yy_load_buffer_state M4_YY_PREFIX[[_load_buffer_state]]
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#define yy_switch_to_buffer M4_YY_PREFIX[[_switch_to_buffer]]
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+#define yypush_buffer_state M4_YY_PREFIX[[push_buffer_state]]
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+#define yypop_buffer_state M4_YY_PREFIX[[pop_buffer_state]]
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+#define yyensure_buffer_stack M4_YY_PREFIX[[ensure_buffer_stack]]
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+#define yy_flex_debug M4_YY_PREFIX[[_flex_debug]]
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#define yyin M4_YY_PREFIX[[in]]
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#define yyleng M4_YY_PREFIX[[leng]]
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#define yylex M4_YY_PREFIX[[lex]]
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@@ -107,7 +113,7 @@ m4_ifdef( [[M4_YY_PREFIX]],, [[m4_define([[M4_YY_PREFIX]], [[yy]])]])
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m4preproc_define(`M4_GEN_PREFIX',
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``[[#define yy$1 ]]M4_YY_PREFIX[[$1]]
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-m4_define([[yy$1]], [[M4_YY_PREFIX[[$1]]m4_ifelse($'`#,0,,[[($'`@)]])]])'')
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+%# m4_define([[yy$1]], [[M4_YY_PREFIX[[$1]]m4_ifelse($'`#,0,,[[($'`@)]])]])'')
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%if-c++-only
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/* The c++ scanner is a mess. The FlexLexer.h header file relies on the
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@@ -120,6 +126,7 @@ m4_define([[yy$1]], [[M4_YY_PREFIX[[$1]]m4_ifelse($'`#,0,,[[($'`@)]])]])'')
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%endif
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%if-c-only
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+m4_ifelse(M4_YY_PREFIX,yy,,
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M4_GEN_PREFIX(`_create_buffer')
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M4_GEN_PREFIX(`_delete_buffer')
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M4_GEN_PREFIX(`_scan_buffer')
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@@ -155,6 +162,7 @@ m4_define([[yy$1]], [[M4_YY_PREFIX[[$1]]m4_ifelse($'`#,0,,[[($'`@)]])]])'')
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M4_GEN_PREFIX(`set_column')
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]])
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M4_GEN_PREFIX(`wrap')
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+)
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%endif
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m4_ifdef( [[M4_YY_BISON_LVAL]],
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@@ -170,11 +178,14 @@ m4_ifdef( [[<M4_YY_BISON_LLOC>]],
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]])
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+m4_ifelse(M4_YY_PREFIX,yy,,
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M4_GEN_PREFIX(`alloc')
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M4_GEN_PREFIX(`realloc')
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M4_GEN_PREFIX(`free')
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+)
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%if-c-only
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+m4_ifelse(M4_YY_PREFIX,yy,,
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m4_ifdef( [[M4_YY_NOT_REENTRANT]],
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[[
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M4_GEN_PREFIX(`text')
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@@ -184,6 +195,7 @@ m4_ifdef( [[M4_YY_NOT_REENTRANT]],
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M4_GEN_PREFIX(`_flex_debug')
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M4_GEN_PREFIX(`lineno')
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]])
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+)
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%endif
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