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If there is remaining data after the lexer has said it's complete then
something has gone wrong while lexing the formcalc data. This CL changes
the transpiler to return an error in the case of the lexer havign extra
data.
Bug: chromium:834575
Change-Id: I8a1288a7f01cc69faf2033829d68246d815258de
Reviewed-on: https://pdfium-review.googlesource.com/32130
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
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The if token in formcalc is an internal keyword and can not be used as
an identifier. The current if parsing code will turn if into an
identifier if it fails to find the 'then' statement after the argument
list.
This should be a failed parse instead of coverting if to an identifier
and resetting the lexer.
Change-Id: Ieebf6a1aabc27482fcaeaf7a9bd4be40fc01e9ad
Reviewed-on: https://pdfium-review.googlesource.com/27430
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
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The recorded line number from the formcalc parse is never used. This Cl
removes the parameter and removes the need to pass it through all of the
constructors.
Change-Id: Ice716cc4880dd17dc05bffcdce1dc1e4745108ea
Reviewed-on: https://pdfium-review.googlesource.com/27412
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
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This CL converts the CXFA_FMToken usages into an object instead of a
pointer. A copy constructor has been added. The line number was removed
from the token and is retrieved from the lexer where needed.
Change-Id: I94c632653e9bf1439d2ddf374a816ae0d10b5b67
Reviewed-on: https://pdfium-review.googlesource.com/27192
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
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The keyword list in the formcalc lexer is only used to match
identifiers. We don't need to store the non-identifier tokens in the
list, so they're removed. The hash is removed and the list is compared
by string instead.
The token names have been moved to DEBUG so they won't be included in
Release builds.
Change-Id: Ieec00e9944960e559079083a605e3249c4128841
Reviewed-on: https://pdfium-review.googlesource.com/27190
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
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Automated using git grep & sed.
Replace StringC classes with StringView classes.
Remove the CFX_ prefix and put string classes in fxcrt namespace.
Change AsStringC() to AsStringView().
Rename tests from TEST(fxcrt, *String*Foo) to TEST(*String*,
Foo).
Couple of tests needed to have their names regularlized.
BUG=pdfium:894
Change-Id: I7ca038685c8d803795f3ed02545124f7a224c83d
Reviewed-on: https://pdfium-review.googlesource.com/14151
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
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This CL rewrites how FMLexer returns errors, instead of having a flag
that gets flipped and needs to be checked, it now returns nullptr for
NextToken() when an error occurs. The Lexer's behaviour has also been
changed to only return nullptr once an error has occurred, instead of
advancing the lexing on further calls.
FMParse now checks the returned value from the lexer instead of
testing the error flag on the parser object. For any operation that
might cause the error state of the parser to change, i.e. consuming a
token, an error check has been added. In the event this check fails
the related function returns nullptr. This will cause the parse to
short circuit and exit.
BUG=pdfium:814
Change-Id: I669012c4732c18d13009be7cd7bf1ae682950904
Reviewed-on: https://pdfium-review.googlesource.com/8950
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: (OOO Jul 28 - Aug 8) dsinclair <dsinclair@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
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This is to aid with debugging, since the getting
things like the type is a pain due to it being a enum.
Bug:
Change-Id: I89bae7103b476d7fd09ba78699367a1a413ee700
Reviewed-on: https://pdfium-review.googlesource.com/9190
Reviewed-by: dsinclair <dsinclair@chromium.org>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
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XFA_FM_KeywordToString is no longer used, and there are no plans to
use it in the future, so should be removed.
Bug:
Change-Id: I44652a40f6396b25262f840c42036fb00a14aca1
Reviewed-on: https://pdfium-review.googlesource.com/9210
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: dsinclair <dsinclair@chromium.org>
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This CL removes the pattern used in the lexer of passing the lexing
member variables around as args to methods. Instead it uses the fact
that they are member variables in the methods.
This CL also includes renaming of variable and function names to
remove unneeded details or make them more precise.
BUG=pdfium:814
Change-Id: Id4c592338db9ff462835314252d39ab3b4b2b2ab
Reviewed-on: https://pdfium-review.googlesource.com/8850
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: dsinclair <dsinclair@chromium.org>
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The existing methods had either very bare passive or in some cases
misleading names, so this CL changes them active names that describe
what they do. This also extracts the IsKeyword method into a helper
function since it is actually static.
BUG=pdfium:816
Change-Id: I47a113bc9ea8d88a77822a4441266ec56e6b4cbc
Reviewed-on: https://pdfium-review.googlesource.com/8730
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Reviewed-by: dsinclair <dsinclair@chromium.org>
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Throughout the lexer there is use of a pattern where a character is
extracted from the location currently being pointed at in the input
and tests are done on this value. This is uneeded, since normally the
pointer isn't being modified while the character is stored, so the
pointer can be dereferenced directly.
This CL also cleans ups the implementation of string extraction from
the input to be easier to read, since it did depend on the character
being extracted to work. The IsFooCharacter methods are also
changed to take in a character instead of a pointer, since they are
only testing the character value not the pointer.
BUG=pdfium:814
Change-Id: I8eda01e0af59ff1f6c6e97d6fb504856c7a08a24
Reviewed-on: https://pdfium-review.googlesource.com/8690
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: dsinclair <dsinclair@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
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Change interform to avoid temp StringC with dangling ptr.
Change-Id: I8d8659973bcdf2cdbcaa6efa6012e4acce5f1604
Reviewed-on: https://pdfium-review.googlesource.com/5571
Commit-Queue: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
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This Cl removes the CXFA_FMErrorInfo class. The message was never output, just
used as a flag to determine if there was an error. The class has been replaced
with a boolean.
Change-Id: I1cde99ce6957f5f8c6be0755a198d80ec8378b3a
Reviewed-on: https://pdfium-review.googlesource.com/5653
Reviewed-by: Nicolás Peña <npm@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
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Most files match the contents. The expression files are named to match
their base type even though they contain all the expression
subclasses.
Change-Id: I3b7705c7b206a9fa1afae8b677f765e8b788e84d
Reviewed-on: https://pdfium-review.googlesource.com/5492
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Nicolás Peña <npm@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
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