lean2/tests/lean/lua4.lean

Import Int.
Variable x : Int

(*
-- Add a variable to the environment using Lua
-- The type of the new variable is equal to the type
-- of x
local env = get_environment()
typeofx = env:type_check(Const("x"))
print("type of x is " .. tostring(typeofx))
env:add_var("y", typeofx)
*)

Check x + y
chore(builtin): rename nat, int and real modules to Nat, Int and Real. Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2014-01-01 21:52:25 +00:00			`Import Int.`
feat(lua): allow lua scripts (embedded in Lean files) to access the environment Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2013-11-10 18:12:43 +00:00			`Variable x : Int`

feat(frontends/lean): use '(* ... )' instead of '(* ... **)' for script code blocks Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2014-01-05 18:32:47 +00:00			`(*`
feat(lua): allow lua scripts (embedded in Lean files) to access the environment Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2013-11-10 18:12:43 +00:00			`-- Add a variable to the environment using Lua`
			`-- The type of the new variable is equal to the type`
			`-- of x`
chore(lua): rename env() to get_env() Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2013-11-13 21:58:51 +00:00			`local env = get_environment()`
refactor(kernel/type_checker): combine type_checker and type_inferer into a single class, and avoid code duplication Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2013-12-22 19:51:38 +00:00			`typeofx = env:type_check(Const("x"))`
feat(lua): allow lua scripts (embedded in Lean files) to access the environment Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2013-11-10 18:12:43 +00:00			`print("type of x is " .. tostring(typeofx))`
chore(lua): rename env() to get_env() Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2013-11-13 21:58:51 +00:00			`env:add_var("y", typeofx)`
feat(frontends/lean): use '(* ... )' instead of '(* ... **)' for script code blocks Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2014-01-05 18:32:47 +00:00			`*)`
feat(lua): allow lua scripts (embedded in Lean files) to access the environment Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2013-11-10 18:12:43 +00:00
			`Check x + y`