X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=docs%2Fusers_guide%2Fflags.xml;h=f13d34ca2045b1310238f450359069f640a2711a;hp=2f1412796e028986b9002a0fb4fef38e8c70d626;hb=cae75f82226638691cfa1e85fc168f4b65ddce4d;hpb=065ce67b1b6ba6b8f3646b73c7cadd50a001a9af diff --git a/docs/users_guide/flags.xml b/docs/users_guide/flags.xml index 2f14127..f13d34c 100644 --- a/docs/users_guide/flags.xml +++ b/docs/users_guide/flags.xml @@ -60,6 +60,18 @@ - + + display the supported language extensions + mode + - + + + + display information about the compiler + mode + - + + display GHC version mode @@ -286,19 +298,22 @@ - + or + retain intermediate .hc files dynamic - - + or + retain intermediate .s files dynamic - - + or + retain intermediate .raw_s files dynamic - @@ -413,11 +428,7 @@ file - Read the interface in - file and dump it as text to - stdout. - mode - - + See . @@ -453,7 +464,7 @@ - + Interactive-mode options @@ -482,23 +493,36 @@ - - - Generate bytecode enabled for debugging + + Break on any exception thrown dynamic - - + - - Do not include debugging information in bytecodes + + Break on uncaught exceptions and errors dynamic - - + + + Enable usage of Show instances in :print + dynamic + + + + + Turn on printing of binding results in GHCi + dynamic - Turn off printing of binding results in GHCi + + + + Turn off printing of binding contents in GHCi dynamic - + @@ -584,62 +608,69 @@ - + + Enable most language extensions + dynamic + + + + Enable overlapping instances dynamic - + - + Enable incoherent instances. - Implies + Implies dynamic - + - + Enable undecidable instances dynamic - + n - set the limit for context reduction + set the limit for context reduction. Default is 20. dynamic - + - + Enable arrow notation extension dynamic - + - or - Enable foreign function interface (implied by - ) + + Enable record + field disambiguation dynamic - + - - Enable generic classes + + Enable foreign function interface (implied by + ) dynamic - + - - Enable most language extensions + + Enable generic classes dynamic - + - + Enable Implicit Parameters. Implied by . dynamic - + @@ -648,55 +679,278 @@ - + Don't implicitly import Prelude dynamic - + - + Disable the monomorphism restriction dynamic - + - + Make pattern bindings polymorphic dynamic - + - + + Relaxed checking for mutually-recursive polymorphic functions + dynamic + + + + Use GHCi's extended default rules in a normal module dynamic - + - + Enable overloaded string literals. dynamic - + - + + Enable generalised algebraic data types. + + dynamic + + + + + Enable type families. + dynamic + + + + Enable lexically-scoped type variables. Implied by . dynamic - + - + Enable Template Haskell. No longer implied by . dynamic - + + + + + Enable quasiquotation. + dynamic + - + Enable bang patterns. dynamic - + + + + + Enable the C preprocessor. + dynamic + + + + + Enable pattern guards. + dynamic + + + + + Enable view patterns. + dynamic + + + + + Enable unicode syntax. + dynamic + + + + + Enable the “magic hash”. + dynamic + + + + + Enable polymorphic components for data constructors. + dynamic + + + + + Enable rank-2 types. + dynamic + + + + + Enable rank-N types. + dynamic + + + + + Enable impredicative types. + dynamic + + + + + Enable existential quantification. + dynamic + + + + + Enable kind signatures. + dynamic + + + + + Enable pattern type signatures. + dynamic + + + + + Enable empty data declarations. + dynamic + + + + + Enable parallel list comprehensions. + dynamic + + + + + Enable transform list comprehensions. + dynamic + + + + + Enable unlifted FFI types. + dynamic + + + + + Enable liberalised type synonyms. + dynamic + + + + + Enable type operators. + dynamic + + + + + Enable recursive do (mdo) notation. + dynamic + + + + + Enable parallel arrays. + dynamic + + + + + Enable record wildcards. + dynamic + + + + + Enable record puns. + dynamic + + + + + Enable record field disambiguation. + dynamic + + + + + Enable unboxed tuples. + dynamic + + + + + Enable standalone deriving. + dynamic + + + + + Enable deriving for the Data and Typeable classes. + dynamic + + + + + Enable newtype deriving. + dynamic + + + + + Enable type synonyms. + dynamic + + + + + Enable flexible contexts. + dynamic + + + + + Enable flexible instances. + dynamic + + + + + Enable constrained class methods. + dynamic + + + + + Enable multi parameter type classes. + dynamic + + + + + Enable functional dependencies. + dynamic + @@ -733,7 +987,7 @@ - enable all warnings + enable almost all warnings (details in ) dynamic @@ -741,14 +995,27 @@ make warnings fatal dynamic - + -Wwarn + + + + make warnings non-fatal + dynamic + -Werror - - warn about uses of functions & types that are deprecated + + warn about uses of functions & types that have warnings or deprecated pragmas dynamic - + + + + + + warn about uses of commandline flags that are deprecated + dynamic + @@ -766,6 +1033,13 @@ + + + warn when the Prelude is implicitly imported + dynamic + + + warn when a pattern match could fail @@ -810,8 +1084,8 @@ - warn when the module contains "orphan" instance declarations - or rewrite rules + warn when the module contains orphan instance declarations + or rewrite rules dynamic @@ -928,7 +1202,7 @@ - Enable case-merging + Enable case-merging. Implied by . dynamic @@ -941,8 +1215,15 @@ + + Share specialisations of overloaded functions (default) + dynamic + + + + - Enable eta-reduction + Enable eta-reduction. Implied by . dynamic @@ -962,14 +1243,6 @@ - - Switch off all rewrite rules (including rules - generated by automatic specialisation of overloaded functions) - static - - - - Ignore assertions in the source dynamic @@ -984,13 +1257,6 @@ - - Tweak the liberate-case optimisation (default: 10) - static - - - - Don't generate interface pragmas dynamic @@ -1006,6 +1272,14 @@ + + Set the number of phases for the simplifier (default 2). + Ignored with . + dynamic + - + + + Set the max iterations for the simplifier dynamic @@ -1021,31 +1295,77 @@ - - Turn off common sub-expression + + Turn on common sub-expression elimination. Implied by . dynamic - - + -fno-cse - - Turn off full laziness (floating bindings outwards). + + Turn on full laziness (floating bindings outwards). Implied by . dynamic - -ffull-laziness + -fno-full-laziness - - Turn off pre-inlining + + Switch on all rewrite rules (including rules + generated by automatic specialisation of overloaded functions). + Implied by . + dynamic + + + + + + Turn on strictness analysis. Implied by . + dynamic + -fno-strictness + + + + + Turn on the SpecConstr transformation. Implied by . + dynamic + -fno-spec-constr + + + + =n + Set the size threshold for the SpecConstr transformation to n (default: 200) static - - + + + + + =n + Set to n (default: 3) the maximum number of + specialisations that will be created for any one function + by the SpecConstr transformation + static + - - Turn off strictness analysis + + Turn on the liberate-case transformation. Implied by . dynamic - - + -fno-liberate-case + + + + + Turn on the static argument transformation. Implied by . + dynamic + -fno-static-argument-transformation + + + + =n + Set the size threshold for the liberate-case transformation to n (default: 200) + static + @@ -1077,17 +1397,17 @@ - + Tweak unfolding settings static - + - - Tweak unfolding settings + + Turn off pre-inlining static - + - @@ -1148,6 +1468,39 @@ + Program coverage options + + + + + + + + Flag + Description + Static/Dynamic + Reverse + + + + + + Turn on Haskell program coverage instrumentation + static + + + + + Directory to deposit .mix files during compilation (default is .hpc) + dynamic + + + + + + + + Haskell pre-processor options @@ -1405,6 +1758,18 @@ static - + + + Do not generate a manifest file (Windows only) + dynamic + - + + + + Do not embed the manifest in the executable (Windows only) + dynamic + - + @@ -1482,6 +1847,13 @@ dynamic - + + cmd + Use cmd as the program for + embedding manifests on Windows. + dynamic + - + @@ -1567,6 +1939,12 @@ dynamic - + + option + pass option to windres. + dynamic + - + @@ -1705,6 +2083,12 @@ - + + Dump after instrumentation for program coverage + dynamic + - + + Dump inlining info dynamic @@ -1753,6 +2137,12 @@ - + + Dump output from each simplifier phase + dynamic + - + + Dump output from each simplifier iteration dynamic @@ -1766,7 +2156,7 @@ - Dump TH splided expressions, and what they evaluate to + Dump TH spliced expressions, and what they evaluate to dynamic - @@ -1831,6 +2221,12 @@ - + + Suppress unsolicited debugging output + static + - + + Turn on debug printing (more verbose) static @@ -1896,12 +2292,6 @@ dynamic - - - - Enable unregisterised compilation - static - - - @@ -1934,12 +2324,6 @@ - - - Don't share specialisations of overloaded functions - static - - - - Set simplification history size static