diff options
Diffstat (limited to 'core/errors.nom')
| -rw-r--r-- | core/errors.nom | 33 |
1 files changed, 17 insertions, 16 deletions
diff --git a/core/errors.nom b/core/errors.nom index 1157cb1..70dea0c 100644 --- a/core/errors.nom +++ b/core/errors.nom @@ -1,17 +1,17 @@ -#!/usr/bin/env nomsu -V4.8.8.6 +#!/usr/bin/env nomsu -V4.8.10 # This file contains basic error reporting code use "core/metaprogramming.nom" -compile [barf] to (Lua "error(nil, 0);") -compile [barf %msg] to (Lua "error(\(%msg as lua expr), 0);") -compile [compile error at %tree %msg] to (..) +(barf) compiles to (Lua "error(nil, 0);") +(barf %msg) compiles to (Lua "error(\(%msg as lua expr), 0);") +(compile error at %tree %msg) compiles to (..) Lua "nomsu:compile_error(\(%tree as lua expr), \(%msg as lua expr))" -compile [compile error at %tree %msg hint %hint] to (..) +(compile error at %tree %msg hint %hint) compiles to (..) Lua "nomsu:compile_error(\(%tree as lua expr), \(%msg as lua expr), \(%hint as lua expr))" -compile [assume %condition] to: +(assume %condition) compiles to: lua> "\ ..local \%assumption = 'Assumption failed: '..tostring(nomsu:tree_to_nomsu(\%condition))" return (..) @@ -20,7 +20,7 @@ compile [assume %condition] to: error(\(quote "\%assumption"), 0) end" -compile [assume %a == %b] to: +(assume %a == %b) compiles to: lua> "\ ..local \%assumption = 'Assumption failed: '..tostring(nomsu:tree_to_nomsu(\(\(%a == %b))))" define mangler @@ -35,7 +35,7 @@ compile [assume %a == %b] to: end end" -compile [assume %condition or barf %message] to (..) +(assume %condition or barf %message) compiles to (..) Lua "\ ..if not \(%condition as lua expr) then error(\(%message as lua expr), 0) @@ -55,10 +55,10 @@ test: assume (%x == 3) or barf "do/then always failed" # Try/except -compile [..] +[..] try %action and if it succeeds %success or if it barfs %msg %fallback try %action and if it barfs %msg %fallback or if it succeeds %success -..to (..) +..all compile to (..) Lua "\ ..do local fell_through = false @@ -84,21 +84,22 @@ compile [..] ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -parse [..] +[..] try %action and if it succeeds %success or if it barfs %fallback try %action and if it barfs %fallback or if it succeeds %success -..as (try %action and if it succeeds %success or if it barfs (=lua "") %fallback) +..all parse as (..) + try %action and if it succeeds %success or if it barfs (=lua "") %fallback ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -parse [try %action] as (..) +(try %action) parses as (..) try %action and if it succeeds (do nothing) or if it barfs (do nothing) -parse [try %action and if it barfs %fallback] as (..) +(try %action and if it barfs %fallback) parses as (..) try %action and if it succeeds (do nothing) or if it barfs %fallback -parse [try %action and if it barfs %msg %fallback] as (..) +(try %action and if it barfs %msg %fallback) parses as (..) try %action and if it succeeds (do nothing) or if it barfs %msg %fallback -parse [try %action and if it succeeds %success] as (..) +(try %action and if it succeeds %success) parses as (..) try %action and if it succeeds %success or if it barfs (do nothing) |