From 744e8215261fbf81b9348d115d4916a9c88b52cc Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Tue, 20 Sep 2022 23:00:27 +0300
Subject: Add support for 'while' loop in script

---
 .../build/script/parser+while.test.testscript      | 133 +++++++++++++++++++++
 1 file changed, 133 insertions(+)
 create mode 100644 libbuild2/build/script/parser+while.test.testscript

(limited to 'libbuild2/build/script/parser+while.test.testscript')

diff --git a/libbuild2/build/script/parser+while.test.testscript b/libbuild2/build/script/parser+while.test.testscript
new file mode 100644
index 0000000..5587291
--- /dev/null
+++ b/libbuild2/build/script/parser+while.test.testscript
@@ -0,0 +1,133 @@
+# file      : libbuild2/build/script/parser+while.test.testscript
+# license   : MIT; see accompanying LICENSE file
+
+: while
+:
+{
+  : true
+  :
+  $* <<EOI >>EOO
+  while ($v != "aa")
+    cmd "$v"
+    v = "$(v)a"
+  end
+  EOI
+  ? true
+  cmd ''
+  ? true
+  cmd a
+  ? false
+  EOO
+
+  : false
+  :
+  $* <<EOI >>EOO
+  while ($v == "aa")
+    cmd "$v"
+    v = "$(v)a"
+  end
+  EOI
+  ? false
+  EOO
+
+  : without-command
+  :
+  $* <<EOI 2>>EOE != 0
+  while
+    cmd
+  end
+  EOI
+  buildfile:11:6: error: missing program
+  EOE
+}
+
+: end
+:
+{
+  : without-end
+  :
+  $* <<EOI 2>>EOE != 0
+  while true
+    cmd
+  EOI
+  buildfile:13:1: error: expected closing 'end'
+  EOE
+}
+
+: elif
+:
+{
+  : without-if
+  :
+  $* <<EOI 2>>EOE != 0
+  while false
+    elif true
+      cmd
+    end
+  end
+  EOI
+  buildfile:12:3: error: 'elif' without preceding 'if'
+  EOE
+}
+
+: nested
+:
+{
+  $* -l -r <<EOI >>EOO
+  while ($v != "aa")      # 1
+    cmd1 "$v"             # 2
+    if ($v == "a")        # 3
+      cmd2                # 4
+      while ($v2 != "$v") # 5
+        cmd3              # 6
+        v2=$v
+      end
+    else
+      cmd4                # 7
+    end
+    cmd5                  # 8
+    v = "$(v)a"
+  end
+  EOI
+  ? true # 1 i1
+  cmd1 '' # 2 i1
+  ? false # 3 i1
+  cmd4 # 7 i1
+  cmd5 # 8 i1
+  ? true # 1 i2
+  cmd1 a # 2 i2
+  ? true # 3 i2
+  cmd2 # 4 i2
+  ? true # 5 i2 i1
+  cmd3 # 6 i2 i1
+  ? false # 5 i2 i2
+  cmd5 # 8 i2
+  ? false # 1 i3
+  EOO
+}
+
+: contained
+:
+{
+  : eos
+  :
+  $* <<EOI 2>>EOE != 0
+  while
+  EOI
+  buildfile:12:1: error: expected closing 'end'
+  EOE
+}
+
+: var
+:
+$* <<EOI >>EOO
+while ($v1 != "a")
+  v1 = "$(v1)a"
+  v2 = "$v1"
+end
+cmd $v1
+EOI
+? true
+? false
+cmd a
+EOO
-- 
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