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lean2/tests/lean/lua15.lean.expected.out

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feat(lua): improve error handling in Lua API Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2013-11-17 02:21:42 +00:00
Set: pp::colors
Set: pp::unicode
Assumed: i
Assumed: j
Assumed: p
refactor(util/lua): propagate C++ Lean exceptions in Lua The following call sequence is possible: C++ -> Lua -> C++ -> Lua -> C++ The first block of C++ is the Lean main function. The main function invokes the Lua interpreter. The Lua interpreter invokes a C++ Lean API. Then the Lean API invokes a callback implemented in Lua. The Lua callback invokes another Lean API. Now, suppose the Lean API throws an exception. We want the C++ exception to propagate over the mixed C++/Lua call stack. We use the clone/rethrow exception idiom to achieve this goal. Before this commit, the C++ exceptions were converted into strings using the method what(), and then they were propagated over the Lua stack using lua_error. A lua_error was then converted into a lua_exception when going back to C++. This solution was very unsatisfactory, since all C++ exceptions were being converted into a lua_exception, and consequently the structure of the exception was being lost. Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2013-11-27 20:19:54 +00:00
elaborator exception
feat(lua): improve error handling in Lua API Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2013-11-17 02:21:42 +00:00
Failed to solve
⊢ (?M::0 ≈ Nat::add) ⊕ (?M::0 ≈ Int::add) ⊕ (?M::0 ≈ Real::add)
refactor(util/lua): propagate C++ Lean exceptions in Lua The following call sequence is possible: C++ -> Lua -> C++ -> Lua -> C++ The first block of C++ is the Lean main function. The main function invokes the Lua interpreter. The Lua interpreter invokes a C++ Lean API. Then the Lean API invokes a callback implemented in Lua. The Lua callback invokes another Lean API. Now, suppose the Lean API throws an exception. We want the C++ exception to propagate over the mixed C++/Lua call stack. We use the clone/rethrow exception idiom to achieve this goal. Before this commit, the C++ exceptions were converted into strings using the method what(), and then they were propagated over the Lua stack using lua_error. A lua_error was then converted into a lua_exception when going back to C++. This solution was very unsatisfactory, since all C++ exceptions were being converted into a lua_exception, and consequently the structure of the exception was being lost. Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2013-11-27 20:19:54 +00:00
Overloading at
(Real::add | Int::add | Nat::add) i p
Failed to solve
⊢ (?M::1 ≈ λ x : ℤ, x) ⊕ (?M::1 ≈ int_to_real)
Coercion for
i
Failed to solve
⊢ ℤ ≺ ℕ
Substitution
⊢ ℤ ≺ ?M::6
Substitution
⊢ (?M::5[inst:0 i]) i ≺ ?M::6
Type of argument 1 must be convertible to the expected type in the application of
?M::0
with arguments:
?M::1 i
p
Assignment
x : ℤ ⊢ λ x : ℤ, ℤ ≈ ?M::5
Destruct/Decompose
x : ℤ ⊢ ℤ ≈ ?M::5 x
Destruct/Decompose
⊢ ℤ → ℤ ≈ Π x : ?M::4, ?M::5 x
Substitution
⊢ ?M::3 ≈ Π x : ?M::4, ?M::5 x
Function expected at
?M::1 i
Assignment
⊢ ℤ → ℤ ≺ ?M::3
Propagate type, ?M::1 : ?M::3
Assignment
⊢ ?M::1 ≈ λ x : ℤ, x
Assumption 1
Assignment
⊢ ℕ ≈ ?M::6
Destruct/Decompose
⊢ ℕ → ℕ → ℕ ≈ Π x : ?M::6, ?M::7 x
Substitution
⊢ ?M::2 ≈ Π x : ?M::6, ?M::7 x
Function expected at
?M::0 (?M::1 i) p
Assignment
⊢ ℕ → ℕ → ℕ ≺ ?M::2
Propagate type, ?M::0 : ?M::2
Assignment
⊢ ?M::0 ≈ Nat::add
Assumption 0
Failed to solve
⊢ ℝ ≺ ℕ
Substitution
⊢ ℝ ≺ ?M::6
Substitution
⊢ (?M::5[inst:0 i]) i ≺ ?M::6
Type of argument 1 must be convertible to the expected type in the application of
?M::0
with arguments:
?M::1 i
p
Assignment
_ : ℤ ⊢ λ x : ℤ, ℝ ≈ ?M::5
Destruct/Decompose
_ : ℤ ⊢ ℝ ≈ ?M::5 _
Destruct/Decompose
⊢ ℤ → ℝ ≈ Π x : ?M::4, ?M::5 x
Substitution
⊢ ?M::3 ≈ Π x : ?M::4, ?M::5 x
Function expected at
?M::1 i
Assignment
⊢ ℤ → ℝ ≺ ?M::3
Propagate type, ?M::1 : ?M::3
Assignment
⊢ ?M::1 ≈ int_to_real
Assumption 2
Assignment
⊢ ℕ ≈ ?M::6
Destruct/Decompose
⊢ ℕ → ℕ → ℕ ≈ Π x : ?M::6, ?M::7 x
Substitution
⊢ ?M::2 ≈ Π x : ?M::6, ?M::7 x
Function expected at
?M::0 (?M::1 i) p
Assignment
⊢ ℕ → ℕ → ℕ ≺ ?M::2
Propagate type, ?M::0 : ?M::2
Assignment
⊢ ?M::0 ≈ Nat::add
Assumption 0
Failed to solve
⊢ Bool ≺ ℤ
Substitution
⊢ Bool ≺ ?M::8
Type of argument 2 must be convertible to the expected type in the application of
?M::0
with arguments:
?M::1 i
p
Assignment
⊢ ℤ ≈ ?M::8
Destruct/Decompose
⊢ ℤ → ℤ ≈ Π x : ?M::8, ?M::9 x
Substitution
⊢ (?M::7[inst:0 (?M::1 i)]) (?M::1 i) ≈ Π x : ?M::8, ?M::9 x
Function expected at
?M::0 (?M::1 i) p
Assignment
_ : ℤ ⊢ λ x : ℤ, ℤ → ℤ ≈ ?M::7
Destruct/Decompose
_ : ℤ ⊢ ℤ → ℤ ≈ ?M::7 _
Destruct/Decompose
⊢ ℤ → ℤ → ℤ ≈ Π x : ?M::6, ?M::7 x
Substitution
⊢ ?M::2 ≈ Π x : ?M::6, ?M::7 x
Function expected at
?M::0 (?M::1 i) p
Assignment
⊢ ℤ → ℤ → ℤ ≺ ?M::2
Propagate type, ?M::0 : ?M::2
Assignment
⊢ ?M::0 ≈ Int::add
Assumption 3
Failed to solve
⊢ Bool ≺ ℝ
Substitution
⊢ Bool ≺ ?M::8
Type of argument 2 must be convertible to the expected type in the application of
?M::0
with arguments:
?M::1 i
p
Assignment
⊢ ℝ ≈ ?M::8
Destruct/Decompose
⊢ ℝ → ℝ ≈ Π x : ?M::8, ?M::9 x
Substitution
⊢ (?M::7[inst:0 (?M::1 i)]) (?M::1 i) ≈ Π x : ?M::8, ?M::9 x
Function expected at
?M::0 (?M::1 i) p
Assignment
_ : ℝ ⊢ λ x : ℝ, ℝ → ℝ ≈ ?M::7
Destruct/Decompose
_ : ℝ ⊢ ℝ → ℝ ≈ ?M::7 _
Destruct/Decompose
⊢ ℝ → ℝ → ℝ ≈ Π x : ?M::6, ?M::7 x
Substitution
⊢ ?M::2 ≈ Π x : ?M::6, ?M::7 x
Function expected at
?M::0 (?M::1 i) p
Assignment
⊢ ℝ → ℝ → ℝ ≺ ?M::2
Propagate type, ?M::0 : ?M::2
Assignment
⊢ ?M::0 ≈ Real::add
Assumption 5
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