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Author SHA1 Message Date
Noah Lavine
680f1dee0c Comments in PEG 
module/ice-9/peg/string-peg.scm: add comments explaining the format of some
  of the parsed PEG forms.
 2013-01-16 10:11:47 +01:00
Noah Lavine
cdeb5a7826 Remove 'body' PEG 
module/ice-9/peg/string-peg.scm: update S-expression generators to use the
  new *, +, ?, followed-by, and not-followed-by forms.
module/ice-9/peg/codegen.scm: remove the 'body' form in the PEG s-expression
  representation.
 2013-01-16 10:11:47 +01:00
Noah Lavine
72287411e9 Add 'not-followed-by' PEG 
The PEG s-expression syntax now uses '(not-followed-by ...)' instead of
'(body ! ... 1)'.
 2013-01-16 10:11:46 +01:00
Noah Lavine
66ba3de0a6 Add 'followed-by' PEG 
The PEG s-expression syntax now uses '(followed-by ...)' instead of
'(body & ... 1)'.
 2013-01-16 10:11:46 +01:00
Noah Lavine
8e97edd5d3 Add '?' PEG 
The PEG s-expression syntax now uses '(? ...)' instead of '(body lit ... ?)'.
 2013-01-16 10:11:46 +01:00
Noah Lavine
3d19969d74 Add '+' PEG 
The PEG s-expression syntax now uses '(+ ...)' instead of '(body lit ... +)'.
 2013-01-16 10:11:46 +01:00
Noah Lavine
f310a111de Add '*' PEG 
The s-expression representation of PEG grammars now uses a '(* ...)' form
instead of '(body lit ... *)'.
 2013-01-16 10:11:46 +01:00
Noah Lavine
5c3f2da81f Clean Up PEG Codegen 
* module/ice-9/peg/codegen.scm: remove unnecessary literals in
  peg-sexp-compile.
 2013-01-16 10:11:46 +01:00
Noah Lavine
89c3c9ecf0 Make PEG Files 
* module/ice-9/peg/using-parsers.scm: remove unnecessary dependency
* module/ice-9/peg.scm: add comment about string-peg dependency
* module/Makefile.scm: add PEG files to makefile
 2013-01-16 10:11:45 +01:00
Noah Lavine
0977b03ef1 Rearrange PEG Modules 
* module/ice-9/peg.scm: move code out of here
* module/ice-9/peg/match-records.scm: remove this file
* module/ice-9/peg/using-parsers.scm: make a new module with utilities for
  using parsers. It contains the code from both peg.scm and match-records.scm
* module/ice-9/peg/string-peg.scm: update to use new module
 2013-01-16 10:11:45 +01:00
Noah Lavine
22d4c9d99a PEG Cache Module 
* module/ice-9/peg/cache.scm: add module to hold cache logic for PEG
   parsers
* module/ice-9/peg.scm: move cache logic out of here
 2013-01-16 10:11:45 +01:00
Noah Lavine
172ac609c4 Update String PEGs 
* module/ice-9/peg/string-peg.scm: use new interface for extending PEG
   syntax
* module/ice-9/peg.scm: remove peg-extended-compile
 2013-01-16 10:11:44 +01:00
Noah Lavine
94e8517c16 Extensible PEG Syntax 
* module/ice-9/peg/codegen.scm: Make the PEG syntax extensible, and
    move most of the current code generators to the new interface
* doc/ref/api-peg.texi: Document PEG extensions in the PEG Internals
    section of the manual
 2013-01-16 10:11:44 +01:00
Noah Lavine
bbc5564c42 Separate PEG Concerns 
* module/ice-9/peg/codegen.scm: peg-sexp-compile no longer knows about
   string PEGs
* module/ice-9/peg.scm: add a new function peg-extended-compile that
   calls peg-sexp-compile or peg-string-compile on its argument as
   appropriate
 2013-01-16 10:11:44 +01:00
Noah Lavine
0afaf59982 Move define-nonterm 
* module/ice-9/peg/string-peg.scm: remove define-nonterm and make a simpler
   macro called `define-sexp-parser' to make the PEG grammar
* module/ice-9/peg.scm: move define-nonterm macro to this file
* module/ice-9/peg/codegen.scm: move code to wrap a parser result nicely to
   this file, under name `wrap-parser-for-users'
 2013-01-16 10:11:44 +01:00
Noah Lavine
97c846947d Document PEG Internals 
* doc/ref/api-peg.texi: add a manual section about the PEG internals.
 2013-01-16 10:11:44 +01:00
Noah Lavine
74393a53cf Remove eval-when 
* module/ice-9/peg.scm: remove the eval-when statement
 2013-01-16 10:11:43 +01:00
Noah Lavine
44bd21ae7b Factor PEG Structure 
* modules/ice-9/peg.scm: remove the part that defines a match structure
 * modules/ice-9/peg/match-record.scm: and put it here
 2013-01-16 10:11:43 +01:00
Noah Lavine
f3f41b9226 Factor PEG Functions 
* module/ice-9/peg.scm: take out the functions for simplifying trees
 * module/ice-9/peg/simplify-tree.scm: and put them here
 2013-01-16 10:11:43 +01:00
Noah Lavine
5e16c41703 Separate PEG Strings 
* module/ice-9/peg.scm: remove functions dealing with PEGs as strings
 * module/ice-9/peg/string-peg.scm: and put them here
 2013-01-16 10:11:43 +01:00
Noah Lavine
00923497d2 Make Macros Hygienic 
* modules/ice-9/peg.scm: convert the unhygienic macros that generate code
    for string PEGs to use hygiene.
 2013-01-16 10:11:43 +01:00
Noah Lavine
86849e2c19 Rename in peg.scm 
* module/ice-9/peg.scm: rename peg-parse-* functions to avoid confusion
    with what PEGs do.
 2013-01-16 10:11:42 +01:00
Noah Lavine
bff3ccd957 Split peg.scm 
* module/ice-9/peg.scm: move code generators to new module
 * module/ice-9/peg/codegen.scm: new module for PEG code generators
 2013-01-16 10:11:42 +01:00
Andy Wingo
718bc349af reformat and reflow api-peg.texi 
* doc/ref/api-peg.texi: Reformat and reflow.
 2013-01-16 10:11:42 +01:00
Andy Wingo
c7ed2190cf peg: remove error-val 
* module/ice-9/peg.scm (error-val): Remove needless definition.
 2013-01-16 10:11:42 +01:00
Andy Wingo
3be2799eaf peg: refactor peg-sexp-compile to operate on syntax directly 
* module/ice-9/peg.scm (cg-generic-ret): Remove unused for-syntax
  argument.
  (peg-sexp-compile): Take the pattern as syntax directly, and use
  syntax-case to destructure it and dispatch to the code generators.
  (cg-and, cg-and-int, cg-or, cg-or-int): Refactor to operate on syntax
  instead of on s-expressions.
  (cg-body): Likewise; though this was a larger refactor.
  (define-nonterm, peg-match): Adapt to peg-sexp-compile calling
  convention change.
  (peg-string-compile): Likewise, and just take the grammar as a syntax
  object.
 2013-01-16 10:11:41 +01:00
Andy Wingo
5041b82067 peg: cg-string, cg-peg-any, cg-range: remove needless for-syntax arg 
* module/ice-9/peg.scm (cg-string, cg-peg-any, cg-range): Remove
  unnecessary for-syntax arg.
  (peg-sexp-compile): Adapt.
 2013-01-16 10:11:41 +01:00
Andy Wingo
c5b85eceba peg: change some instances of "match" to "pat" 
* module/ice-9/peg.scm (cg-string): Rename "match" to "pat".
  (peg-sexp-compile, cg-body-test, cg-body, define-nonterm): Likewise.
 2013-01-16 10:11:40 +01:00
Andy Wingo
63a1336de7 remove cggl, cg-generic-lambda 
* module/ice-9/peg.scm (cg-generic-lambda, cggl): Remove these helpers,
  they are no longer needed.
  (cg-generic-ret): Remove optimization for particular cg- routines, as
  it's no longer needed.
 2013-01-16 10:11:40 +01:00
Andy Wingo
e9722ec0aa peg: more cggl / cggr excisions 
* module/ice-9/peg.scm (cg-peg-any): Don't use cggr.
  (cg-range): Don't use cggl or cggr.
 2013-01-16 10:11:39 +01:00
Andy Wingo
102d022f53 peg: cg-string does not use cggr 
* module/ice-9/peg.scm (cg-string): Don't use cggr.  Interesting to see
  what it actually generates.
 2013-01-16 10:11:39 +01:00
Andy Wingo
67ac87f96d peg: cg-peg-any does not use cggl 
* module/ice-9/peg.scm (cg-peg-any): Don't use cggl.
 2013-01-16 10:11:39 +01:00
Andy Wingo
7b746f4090 peg: cg-string without cggl 
* module/ice-9/peg.scm (cg-string): Refactor to not use cggl.
 2013-01-16 10:11:38 +01:00
Andy Wingo
990b24b254 peg: cg-string improvement 
* module/ice-9/peg.scm (cg-string): Use the more efficient string= with
  range args, rather than string=? and substring.
 2013-01-16 10:11:38 +01:00
Andy Wingo
87c3ef2f95 peg: helper macro docstrings 
* module/ice-9/peg.scm: Convert the helper macro comments into
  docstrings.
 2013-01-16 10:11:37 +01:00
Andy Wingo
09a6a7a44a peg: module-ref cleanup 
* module/ice-9/peg.scm (cg-generic-ret, cg-and-int, cg-body-test):
  Remove a few needless @ or @@ forms.
 2013-01-16 10:11:37 +01:00
Andy Wingo
49db248111 peg: remove get-code debugging foo 
* module/ice-9/peg.scm (define-nonterm): Don't stash the code in a
  symbol property.
  (get-code): Remove.
 2013-01-16 10:11:37 +01:00
Andy Wingo
a907bce657 peg: more syntax helper cleanup 
* module/ice-9/peg.scm (single-filter, push-not-null!): Use
  syntax-rules, and move outside the eval-when.
 2013-01-16 10:11:36 +01:00
Andy Wingo
bb7ff21a77 peg: else for default cond clauses, not #t 
* module/ice-9/peg.scm: Change default cases of `cond' to use `else'
  instead of #t.
 2013-01-16 10:11:36 +01:00
Andy Wingo
b5ebb8abad peg; syntax helper cleanups 
* module/ice-9/peg.scm (until, single?, push!): Move outside the
  eval-when.  Use syntax-rules, and single? is faster now.
 2013-01-16 10:11:35 +01:00
Andy Wingo
3c8963de27 peg: cleanups 
* module/ice-9/peg.scm (until): Rename from until-works, and be
  functional (and faster).
  (peg-match): Adapt.
 2013-01-16 10:11:35 +01:00
Andy Wingo
0d2f21fc81 peg: define-module cleanup 
* module/ice-9/peg.scm: Fix up define-module block.
 2013-01-16 10:11:35 +01:00
Noah Lavine
9ca71e7b84 peg: let cleanups 
* module/ice-9/peg.scm (cg-string, cg-peg-any, cg-range): Remove some
  unnecessary lets.
 2013-01-16 10:11:34 +01:00
Noah Lavine
18905baf6e peg: remove unhygienic safe-bind, safe-bind-f 
* module/ice-9/peg.scm (safe-bind, safe-bind-f): Remove.
 2013-01-16 10:11:34 +01:00
Noah Lavine
ac8a071390 peg: remove unused nonhygienic expander helpers 
* module/ice-9/peg.scm (cggl, cggr): Remove, and rename the cggl-syn and
  cggr-syn to take their place.
 2013-01-16 10:11:33 +01:00
Noah Lavine
84cb143eb4 peg: more helpers returning syntax 
* module/ice-9/peg.scm (cg-body, cg-body-success, cg-body-more)
  (cg-body-ret): Return syntax instead of s-expressions.
 2013-01-16 10:11:33 +01:00
Noah Lavine
8e8de46ec6 peg: cg-or, cg-or-int return syntax 
* module/ice-9/peg.scm (cg-or, cg-or-int): Return syntax instead of
  s-expressions.
  (peg-sexp-compile): Adapt.
 2013-01-16 10:11:33 +01:00
Noah Lavine
00e227f779 peg: hygiene in cg-and, cg-and-int 
* module/ice-9/peg.scm (cg-and, cg-and-int): Use cggr-syn instead of
  cggr, and also return syntax now instead of s-expressions.
 2013-01-16 10:11:32 +01:00
Noah Lavine
8b52357e88 peg: hygiene in cg-range 
* module/ice-9/peg.scm (cg-range): Use cggl-syn and cggr-syn.
 2013-01-16 10:11:32 +01:00
Noah Lavine
febe6dadab peg: hygiene in cg-peg-any 
* module/ice-9/peg.scm (cg-peg-any): Use cggl-syn and cggr-syn.
 2013-01-16 10:11:31 +01:00