From 8d45972ee3fedf5dc82be5d6801b4c61367acac9 Mon Sep 17 00:00:00 2001
From: Jussi Pakkanen <jpakkane@gmail.com>
Date: Mon, 25 Aug 2014 21:23:03 +0300
Subject: Add flex+bison test case.

---
 test cases/frameworks/8 flex/lexer.l     |  8 +++++++
 test cases/frameworks/8 flex/meson.build | 26 ++++++++++++++++++++++
 test cases/frameworks/8 flex/parser.y    |  6 +++++
 test cases/frameworks/8 flex/prog.c      | 38 ++++++++++++++++++++++++++++++++
 test cases/frameworks/8 flex/test.txt    |  1 +
 5 files changed, 79 insertions(+)
 create mode 100644 test cases/frameworks/8 flex/lexer.l
 create mode 100644 test cases/frameworks/8 flex/meson.build
 create mode 100644 test cases/frameworks/8 flex/parser.y
 create mode 100644 test cases/frameworks/8 flex/prog.c
 create mode 100644 test cases/frameworks/8 flex/test.txt

diff --git a/test cases/frameworks/8 flex/lexer.l b/test cases/frameworks/8 flex/lexer.l
new file mode 100644
index 000000000..85293b2aa
--- /dev/null
+++ b/test cases/frameworks/8 flex/lexer.l	
@@ -0,0 +1,8 @@
+%{
+#include <stdlib.h>
+#include "parser.tab.h"
+%}
+
+%% 
+("true"|"false")    {return BOOLEAN;}
+. { yyerror(); }
diff --git a/test cases/frameworks/8 flex/meson.build b/test cases/frameworks/8 flex/meson.build
new file mode 100644
index 000000000..13ac9f634
--- /dev/null
+++ b/test cases/frameworks/8 flex/meson.build	
@@ -0,0 +1,26 @@
+project('flex and bison', 'c')
+
+# The point of this test is that one generator
+# may output headers that are necessary to build
+# the sources of a different generator.
+
+flex = find_program('flex')
+bison = find_program('bison')
+
+lgen = generator(flex,
+output : '@PLAINNAME@.yy.c',
+arguments : ['-o', '@OUTPUT@', '@INPUT@'])
+
+lfiles = lgen.process('lexer.l')
+
+pgen = generator(bison,
+output : ['@BASENAME@.tab.c', '@BASENAME@.tab.h'],
+arguments : ['@INPUT@', '--defines=@OUTPUT1@', '--output=@OUTPUT0@'])
+
+pfiles = pgen.process('parser.y')
+
+e = executable('pgen', 'prog.c',
+lfiles, pfiles)
+
+test('parsertest', e)
+
diff --git a/test cases/frameworks/8 flex/parser.y b/test cases/frameworks/8 flex/parser.y
new file mode 100644
index 000000000..ff8754f32
--- /dev/null
+++ b/test cases/frameworks/8 flex/parser.y	
@@ -0,0 +1,6 @@
+%token BOOLEAN
+
+%%
+input:
+  BOOLEAN { $$ = $1;}
+;
diff --git a/test cases/frameworks/8 flex/prog.c b/test cases/frameworks/8 flex/prog.c
new file mode 100644
index 000000000..1e48f611c
--- /dev/null
+++ b/test cases/frameworks/8 flex/prog.c	
@@ -0,0 +1,38 @@
+#include"parser.tab.h"
+#include<unistd.h>
+#include<sys/types.h>
+#include<sys/stat.h>
+#include<fcntl.h>
+#include<stdio.h>
+#include<stdlib.h>
+
+int main(int argc, char **argv) {
+    /*
+    int input;
+    if(argc != 2) {
+        printf("%s <input file>");
+        return 1;
+    }
+    input = open(argv[1], O_RDONLY);
+    dup2(input, STDIN_FILENO);
+    close(input);
+    return yyparse();
+    */
+    /* We really should test that the
+     * generated parser works with input
+     * but it froze and I don't want to waste
+     * time debugging that. For this test what
+     * we care about is that it compiles and links.
+     */
+    void* __attribute__((unused)) dummy = (void*)yyparse;
+    return 0;
+}
+
+int yywrap(void) {
+     return 0;
+}
+
+int yyerror(void) {
+     printf("Parse error\n");
+     exit(1);
+}
diff --git a/test cases/frameworks/8 flex/test.txt b/test cases/frameworks/8 flex/test.txt
new file mode 100644
index 000000000..27ba77dda
--- /dev/null
+++ b/test cases/frameworks/8 flex/test.txt	
@@ -0,0 +1 @@
+true
-- 
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