[Projects] XRM 75: Factor common code between different parsers.

https://svn.lrde.epita.fr/svn/xrm/trunk Index: ChangeLog from SIGOURE Benoit &lt;sigoure.benoit(a)lrde.epita.fr&gt; Factor common code between different parsers. * src/tools/parse-pctl.str, * src/tools/parse-xrm.str, * src/tools/parse-prism.str, * src/tools/parse-xpctl.str: Move redundant code ... * src/tools/parser-common.str: ... here. * TODO: Bring up to date. TODO | 26 ++++++++++++++++++++++++++ src/tools/parse-pctl.str | 43 +++++-------------------------------------- src/tools/parse-prism.str | 43 +++++-------------------------------------- src/tools/parse-xpctl.str | 43 +++++-------------------------------------- src/tools/parse-xrm.str | 43 +++++-------------------------------------- src/tools/parser-common.str | 38 +++++++++++++++++++++++++++++++++++++- 6 files changed, 83 insertions(+), 153 deletions(-) Index: src/tools/parse-pctl.str --- src/tools/parse-pctl.str (revision 74) +++ src/tools/parse-pctl.str (working copy) @@ -1,5 +1,3 @@ -// Code mostly from parse-java by Martin Bravenboer &lt;martin(a)cs.uu.nl&gt; - module parse-pctl imports libxtclib // FIXME: import libstratego-xtc for strc 0.17 @@ -10,37 +8,13 @@ main-parse-pctl = // xtc-io-wrap(extra-opts, usage, about, deps, s) xtc-io-wrap( - parse-pctl-options - , parse-pctl-usage + parser-options + , parser-usage , parser-about , !["sglr", "implode-asfix", "PCTL.tbl", "pp-aterm"] - , parse-pctl + , parser-main ) - parse-pctl-options = - symbol-option - + preserve-comments-option - + preserve-positions-option - + pp-aterm-option - + allow-amb-option - -strategies - - parse-pctl = - where(?FILE(input-file-name) + !"stdin" => input-file-name) - ; xtc-sglr-no-heuristics(get-parse-table, get-start-symbol) - ; if must-preserve-comments then - xtc-transform(!"asfix-anno-comments", pass-verbose) - end - ; if must-preserve-positions then - xtc-transform(!"addPosInfo", !["-p", input-file-name - | <pass-verbose>()]) - end - ; xtc-implode-asfix - ; if must-pp-aterm then - xtc-transform(!"pp-aterm", pass-verbose) - end - strategies symbol-option = @@ -77,12 +51,5 @@ */ strategies - parse-pctl-usage = - <tool-doc> - [ Usage("parse-pctl [OPTIONS]") - , Summary( - "Parses a PCTL source file to an abstract syntax - tree in the ATerm format.") - , OptionUsage() - , AutoReportBugs() - ] + parser-usage = + template-parser-usage(|"parse-pctl", "PCTL") Index: src/tools/parse-xrm.str --- src/tools/parse-xrm.str (revision 74) +++ src/tools/parse-xrm.str (working copy) @@ -1,5 +1,3 @@ -// Code mostly from parse-java by Martin Bravenboer &lt;martin(a)cs.uu.nl&gt; - module parse-xrm imports libxtclib // FIXME: import libstratego-xtc for strc 0.17 @@ -10,37 +8,13 @@ main-parse-xrm = // xtc-io-wrap(extra-opts, usage, about, deps, s) xtc-io-wrap( - parse-xrm-options - , parse-xrm-usage + parser-options + , parser-usage , parser-about , !["sglr", "implode-asfix", "XRM.tbl", "pp-aterm"] - , parse-xrm + , parser-main ) - parse-xrm-options = - symbol-option - + preserve-comments-option - + preserve-positions-option - + pp-aterm-option - + allow-amb-option - -strategies - - parse-xrm = - where(?FILE(input-file-name) + !"stdin" => input-file-name) - ; xtc-sglr-no-heuristics(get-parse-table, get-start-symbol) - ; if must-preserve-comments then - xtc-transform(!"asfix-anno-comments", pass-verbose) - end - ; if must-preserve-positions then - xtc-transform(!"addPosInfo", !["-p", input-file-name - | <pass-verbose>()]) - end - ; xtc-implode-asfix - ; if must-pp-aterm then - xtc-transform(!"pp-aterm", pass-verbose) - end - strategies symbol-option = @@ -77,12 +51,5 @@ */ strategies - parse-xrm-usage = - <tool-doc> - [ Usage("parse-xrm [OPTIONS]") - , Summary( - "Parses an eXtended Reactive Module source file to an abstract syntax - tree in the ATerm format.") - , OptionUsage() - , AutoReportBugs() - ] + parser-usage = + template-parser-usage(|"parse-xrm", "eXtended Reactive Modules") Index: src/tools/parse-prism.str --- src/tools/parse-prism.str (revision 74) +++ src/tools/parse-prism.str (working copy) @@ -1,5 +1,3 @@ -// Code mostly from parse-java by Martin Bravenboer &lt;martin(a)cs.uu.nl&gt; - module parse-prism imports libxtclib // FIXME: import libstratego-xtc for strc 0.17 @@ -10,37 +8,13 @@ main-parse-prism = // xtc-io-wrap(extra-opts, usage, about, deps, s) xtc-io-wrap( - parse-prism-options - , parse-prism-usage + parser-options + , parser-usage , parser-about , !["sglr", "implode-asfix", "PRISM.tbl", "pp-aterm"] - , parse-prism + , parser-main ) - parse-prism-options = - symbol-option - + preserve-comments-option - + preserve-positions-option - + pp-aterm-option - + allow-amb-option - -strategies - - parse-prism = - where(?FILE(input-file-name) + !"stdin" => input-file-name) - ; xtc-sglr-no-heuristics(get-parse-table, get-start-symbol) - ; if must-preserve-comments then - xtc-transform(!"asfix-anno-comments", pass-verbose) - end - ; if must-preserve-positions then - xtc-transform(!"addPosInfo", !["-p", input-file-name - | <pass-verbose>()]) - end - ; xtc-implode-asfix - ; if must-pp-aterm then - xtc-transform(!"pp-aterm", pass-verbose) - end - strategies symbol-option = @@ -77,12 +51,5 @@ */ strategies - parse-prism-usage = - <tool-doc> - [ Usage("parse-prism [OPTIONS]") - , Summary( - "Parses a PRISM source file to an abstract syntax - tree in the ATerm format.") - , OptionUsage() - , AutoReportBugs() - ] + parser-usage = + template-parser-usage(|"parse-prism", "PRISM") Index: src/tools/parser-common.str --- src/tools/parser-common.str (revision 74) +++ src/tools/parser-common.str (working copy) @@ -1,9 +1,35 @@ -// used by parse-prism and parse-xrm to factorize common strategies +// used by parse-* to factor common strategies module parser-common strategies + parser-main = + where(?FILE(input-file-name) + !"stdin" => input-file-name) + ; xtc-sglr-no-heuristics(get-parse-table, get-start-symbol) + ; if must-preserve-comments then + xtc-transform(!"asfix-anno-comments", pass-verbose) + end + ; if must-preserve-positions then + xtc-transform(!"addPosInfo", !["-p", input-file-name + | <pass-verbose>()]) + end + ; xtc-implode-asfix + ; if must-pp-aterm then + xtc-transform(!"pp-aterm", pass-verbose) + end + +strategies + + parser-options = + symbol-option + + preserve-comments-option + + preserve-positions-option + + pp-aterm-option + + allow-amb-option + +strategies + /* sglr options: ** -fi: heuristic: injection count ** -fe: heuristic: eagerness @@ -84,6 +110,16 @@ */ strategies + template-parser-usage(|parser-name, language) = + <tool-doc> + [ Usage(<concat-strings>[parser-name, " [OPTIONS]"]) + , Summary(<concat-strings>[ + "Parses a ", language, " source file to an abstract syntax + tree in the ATerm format."]) + , OptionUsage() + , AutoReportBugs() + ] + parser-about = <tool-doc> [ AutoProgram() Index: src/tools/parse-xpctl.str --- src/tools/parse-xpctl.str (revision 74) +++ src/tools/parse-xpctl.str (working copy) @@ -1,5 +1,3 @@ -// Code mostly from parse-java by Martin Bravenboer &lt;martin(a)cs.uu.nl&gt; - module parse-xpctl imports libxtclib // FIXME: import libstratego-xtc for strc 0.17 @@ -10,37 +8,13 @@ main-parse-xpctl = // xtc-io-wrap(extra-opts, usage, about, deps, s) xtc-io-wrap( - parse-xpctl-options - , parse-xpctl-usage + parser-options + , parser-usage , parser-about , !["sglr", "implode-asfix", "XPCTL.tbl", "pp-aterm"] - , parse-xpctl + , parser-main ) - parse-xpctl-options = - symbol-option - + preserve-comments-option - + preserve-positions-option - + pp-aterm-option - + allow-amb-option - -strategies - - parse-xpctl = - where(?FILE(input-file-name) + !"stdin" => input-file-name) - ; xtc-sglr-no-heuristics(get-parse-table, get-start-symbol) - ; if must-preserve-comments then - xtc-transform(!"asfix-anno-comments", pass-verbose) - end - ; if must-preserve-positions then - xtc-transform(!"addPosInfo", !["-p", input-file-name - | <pass-verbose>()]) - end - ; xtc-implode-asfix - ; if must-pp-aterm then - xtc-transform(!"pp-aterm", pass-verbose) - end - strategies symbol-option = @@ -77,12 +51,5 @@ */ strategies - parse-xpctl-usage = - <tool-doc> - [ Usage("parse-xpctl [OPTIONS]") - , Summary( - "Parses an eXtended Properties source file to an abstract syntax - tree in the ATerm format.") - , OptionUsage() - , AutoReportBugs() - ] + parser-usage = + template-parser-usage(|"parse-xpctl", "eXtended Properties") Index: TODO --- TODO (revision 74) +++ TODO (working copy) @@ -103,6 +103,23 @@ end end + * Fix the rand builtin. Instead of generating an extra module to host the + random variable and generate random numbers, host the random variable in + the module that called rand. Update the random variable each time it's + accessed to ensure good randomness, eg: + module random => module random + x : [0..51] init 0; => x : [0..51] init 0; + [] true -> x'=rand(42); => __rand_0 : [0..42]; // no init here + endmodule => [] true -> x'=__rand_0 + + => 1/43:(__rand_0'=0) + ... + + => 1/43:(__rand_0'=42); + => endmodule + + * Generalize the ranges. Instead of writing rand (42, 51), write: + rand (42 .. 51) + So that rand (42) always returns 42 and rand (42, 51) returns either 42 + or 51. + ## -------------- ## ## Desugarisation ## ## -------------- ## @@ -177,6 +194,15 @@ loops and then later try to group them? Would there be cases where grouping gets tricky? What about d_2 above? + * Don't use external parsers/pretty-printers in xrm-front. This leads to + many /tmp files and implies a great performance penalty on big + inputs/outputs. Instead, factor each parser in an external library linked + to xrm-front (preferably a static library because dynamic libraries must + be installed in the right path or require messing up with + LD_LIBRARY_PATH). This way, no external process will be involved. See if + we can also get rid of pp-aterm by using it directly through + libstratego-gpp. + ## ----- ## ## Notes ## ## ----- ##