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325 Commits

Author SHA1 Message Date
peter klausler bdd93dd995 [flang] Always put parens on unparsed ENTRY statement in case there is a suffix. 
Original-commit: flang-compiler/f18@d0d1a5789b
Reviewed-on: https://github.com/flang-compiler/f18/pull/48
Tree-same-pre-rewrite: false
 2018-04-09 13:52:06 -07:00
peter klausler 26b5f57876 [flang] Fix unparsing of pointer-decls with deferred shape. 
Original-commit: flang-compiler/f18@3c7c7eced5
Reviewed-on: https://github.com/flang-compiler/f18/pull/48
Tree-same-pre-rewrite: false
 2018-04-09 13:50:50 -07:00
peter klausler 4fc6a4505f [flang] Repair negative scale factors in formats. 
Original-commit: flang-compiler/f18@0e90d2db3a
Reviewed-on: https://github.com/flang-compiler/f18/pull/48
Tree-same-pre-rewrite: false
 2018-04-09 13:49:28 -07:00
peter klausler 070d908223 [flang] Tweak recent disambiguations after more testing. 
Original-commit: flang-compiler/f18@82fb9838b9
Reviewed-on: https://github.com/flang-compiler/f18/pull/48
Tree-same-pre-rewrite: false
 2018-04-09 13:49:28 -07:00
peter klausler 217e7ffed3 [flang] Remove a needless std::move() call, and be more careful about line continuation. 
Original-commit: flang-compiler/f18@e26421513f
Reviewed-on: https://github.com/flang-compiler/f18/pull/48
Tree-same-pre-rewrite: false
 2018-04-09 13:49:28 -07:00
peter klausler 3509503e18 [flang] Remove some needless std::move() calls for readability. 
Original-commit: flang-compiler/f18@88aadf45dc
Reviewed-on: https://github.com/flang-compiler/f18/pull/48
Tree-same-pre-rewrite: false
 2018-04-09 13:49:27 -07:00
peter klausler ca696230bc [flang] Better solution in grammar for a data statement value parse. 
Original-commit: flang-compiler/f18@05b437506a
Reviewed-on: https://github.com/flang-compiler/f18/pull/48
Tree-same-pre-rewrite: false
 2018-04-09 13:49:27 -07:00
peter klausler 334f47bc76 [flang] Handle pp-directives amid continuations correctly, and fix a Hollerith ambiguity. 
Original-commit: flang-compiler/f18@dcd7820a97
Reviewed-on: https://github.com/flang-compiler/f18/pull/48
Tree-same-pre-rewrite: false
 2018-04-09 13:49:26 -07:00
peter klausler a4904e663b [flang] Adjust TODO messages to reflect deliberate behavior. 
Original-commit: flang-compiler/f18@9636998ee4
Reviewed-on: https://github.com/flang-compiler/f18/pull/48
Tree-same-pre-rewrite: false
 2018-04-09 13:49:26 -07:00
peter klausler dbd691838b [flang] Fix naming: list_type -> listType 
Original-commit: flang-compiler/f18@9bf6adc41c
Reviewed-on: https://github.com/flang-compiler/f18/pull/48
Tree-same-pre-rewrite: false
 2018-04-09 13:49:26 -07:00
peter klausler 3274977aa5 [flang] Rearrange alternatives in data statement values to put longer parse earlier. 
Original-commit: flang-compiler/f18@867cefaafb
Reviewed-on: https://github.com/flang-compiler/f18/pull/48
Tree-same-pre-rewrite: false
 2018-04-09 13:49:25 -07:00
peter klausler de180f4ed0 [flang] Prevent misrecognition of a digit string that is the kind parameter of a character literal from being misrecognized as an integer literal. 
Original-commit: flang-compiler/f18@bd7ed0b162
Reviewed-on: https://github.com/flang-compiler/f18/pull/48
Tree-same-pre-rewrite: false
 2018-04-09 13:49:25 -07:00
peter klausler efc6c480fb [flang] Parse unlimited format item -- needed to adjust its precedence in grammar. 
Original-commit: flang-compiler/f18@318bebe485
Reviewed-on: https://github.com/flang-compiler/f18/pull/48
Tree-same-pre-rewrite: false
 2018-04-09 13:49:25 -07:00
peter klausler 52b0de7b2a [flang] Parser mistakenly attempted error recovery in specification part when it saw END statement with label. 
Original-commit: flang-compiler/f18@69b8ad8380
Reviewed-on: https://github.com/flang-compiler/f18/pull/48
Tree-same-pre-rewrite: false
 2018-04-09 13:49:24 -07:00
peter klausler 70895d3da0 [flang] Fix two errors in the grammar (array constructors with type but no values did not consume the ::, and ERR= was omitted from CLOSE(). Add CONVERT= extension to OPEN(). 
Original-commit: flang-compiler/f18@e3e584f060
Reviewed-on: https://github.com/flang-compiler/f18/pull/48
Tree-same-pre-rewrite: false
 2018-04-09 13:49:24 -07:00
peter klausler c52e5792db [flang] Crash more gracefully when files include themselves. 
Original-commit: flang-compiler/f18@6da9ec4228
Reviewed-on: https://github.com/flang-compiler/f18/pull/48
Tree-same-pre-rewrite: false
 2018-04-09 13:49:23 -07:00
Peter Klausler 0f2f6a3cf0 [flang] Merge pull request flang-compiler/f18#43 from ThePortlandGroup/pmk2 
Avoid most uses of Boolean-valued Pre() callbacks in unparse.cc.

Original-commit: flang-compiler/f18@1b8ff5f07d
Reviewed-on: https://github.com/flang-compiler/f18/pull/43
 2018-04-09 13:48:44 -07:00
peter klausler 8ea4a0a060 [flang] Avoid most uses of Boolean-valued Pre() callbacks in unparse.cc. 
Original-commit: flang-compiler/f18@f4ea2f94f3
Reviewed-on: https://github.com/flang-compiler/f18/pull/43
 2018-04-09 13:47:39 -07:00
Tim Keith af966cccc2 [flang] Merge pull request flang-compiler/f18#46 from ThePortlandGroup/tsk8 
Change API of Scope to match std::map

Original-commit: flang-compiler/f18@e34e2ac0c8
Reviewed-on: https://github.com/flang-compiler/f18/pull/46
 2018-04-09 11:55:25 -07:00
Tim Keith ced6d642e0 [flang] Address review comments. 
Make map_type private -- it is not part of the API.

Add cbegin() and cend().

Original-commit: flang-compiler/f18@1ad699dbfd
Reviewed-on: https://github.com/flang-compiler/f18/pull/46
 2018-04-09 11:53:20 -07:00
Tim Keith 75e4108d55 [flang] Change API of Scope to match std::map 
The Scope can be thought of as (among other things) a mapping of Name to
Symbol. This change reflects that by changing the API to match std::map.

Original-commit: flang-compiler/f18@37f6ad73cc
Reviewed-on: https://github.com/flang-compiler/f18/pull/46
Tree-same-pre-rewrite: false
 2018-04-09 10:07:36 -07:00
Steve Scalpone 46602719fc [flang] Merge pull request flang-compiler/f18#45 from ThePortlandGroup/sjs-doc 
Add snippet about trigraphs

Original-commit: flang-compiler/f18@c4a397e501
Reviewed-on: https://github.com/flang-compiler/f18/pull/45
 2018-04-09 09:40:20 -07:00
Steve Scalpone 11465b26fd [flang] Add snippet about trigraphs 
Original-commit: flang-compiler/f18@551f2ccd06
Reviewed-on: https://github.com/flang-compiler/f18/pull/45
 2018-04-08 21:31:49 -07:00
Tim Keith 3effe9b1de [flang] Merge pull request flang-compiler/f18#41 from ThePortlandGroup/tsk6 
Collect implicit type rules and report related errors.

Original-commit: flang-compiler/f18@ff4f143281
Reviewed-on: https://github.com/flang-compiler/f18/pull/41
 2018-04-06 14:09:49 -07:00
Tim Keith 0083eb5259 [flang] Address review comments. 
Maintain stack of ImplicitRules in parallel with the scope stack.
I doesn't have to live as long as the scopes.

Allow for '_', '$', and '@' in ImplicitRules if they come through from
the parser.

Original-commit: flang-compiler/f18@b70e9fc956
Reviewed-on: https://github.com/flang-compiler/f18/pull/41
 2018-04-06 14:09:49 -07:00
Tim Keith 807886fb81 [flang] Address code review comments. 
Original-commit: flang-compiler/f18@b0dd895905
Reviewed-on: https://github.com/flang-compiler/f18/pull/41
Tree-same-pre-rewrite: false
 2018-04-06 14:09:49 -07:00
Tim Keith da414d7c3f [flang] Collect implicit type rules and report related errors. 
ImplicitRules maintains a mapping of initial character of an identifier
to its implicit type.

ImplicitRulesVisitor visits the ImplicitStmt and related parse tree
nodes and updates the rules.

Emit errors messages in these cases:
- implicit type specified more than once for a letter
- IMPLICIT statement and IMPLICIT NONE in same scope
- IMPLICIT statement and IMPLICIT NONE(TYPE) in same scope
- more than one IMPLICIT NONE in a scope
- IMPLICIT statement with empty range of letters
- IMPLICIT NONE statement after PARAMETER statement
- TYPE or EXTERNAL repeated in an IMPLICIT NONE statement

Also start emitting error messages through the parser::Messages
interface. An instance of Messages is created from the cooked source and
saved in the MessageHandler class. It tracks the source location of the
current statement and provides a way to emit messages associated with
that statement.

Original-commit: flang-compiler/f18@e12fea9850
Reviewed-on: https://github.com/flang-compiler/f18/pull/41
Tree-same-pre-rewrite: false
 2018-04-06 14:09:49 -07:00
Peter Klausler 6d23ceb7bd [flang] Merge pull request flang-compiler/f18#42 from ThePortlandGroup/pmk1 
Generalize Attrs for arbitrary enums, implement with std::bitset<>.

Original-commit: flang-compiler/f18@28a9fc0b9e
Reviewed-on: https://github.com/flang-compiler/f18/pull/42
 2018-04-06 11:21:28 -07:00
peter klausler 216999318b [flang] Address review comments. 
Original-commit: flang-compiler/f18@66ecc10722
Reviewed-on: https://github.com/flang-compiler/f18/pull/42
 2018-04-06 10:34:59 -07:00
peter klausler 91b324ee71 [flang] Generalize semantics/attr.h into enum-set.h, implementing it atop std::bitset. 
Original-commit: flang-compiler/f18@d827c8bcc3
Reviewed-on: https://github.com/flang-compiler/f18/pull/42
Tree-same-pre-rewrite: false
 2018-04-05 16:49:48 -07:00
peter klausler 8fcc1aaf8c [flang] Improvements to memory-mapped source files. 
Original-commit: flang-compiler/f18@67066468e5
Reviewed-on: https://github.com/flang-compiler/f18/pull/42
Tree-same-pre-rewrite: false
 2018-04-05 14:39:55 -07:00
peter klausler 2f2a8451cf [flang] Avoid having too many file descriptors open or using mmap() for small files. 
Original-commit: flang-compiler/f18@750483a1be
Reviewed-on: https://github.com/flang-compiler/f18/pull/42
Tree-same-pre-rewrite: false
 2018-04-05 13:06:36 -07:00
peter klausler d8dfa408b5 [flang] Correct order of steps in idealized preprocessor description. 
Original-commit: flang-compiler/f18@3107999501
Reviewed-on: https://github.com/flang-compiler/f18/pull/42
Tree-same-pre-rewrite: false
 2018-04-04 14:32:17 -07:00
peter klausler ff7d3c7126 [flang] Do not allow "-" to denote standard input on INCLUDE/#include. 
Original-commit: flang-compiler/f18@f645036a16
Reviewed-on: https://github.com/flang-compiler/f18/pull/42
Tree-same-pre-rewrite: false
 2018-04-04 08:06:15 -07:00
peter klausler eec3705f58 [flang] Fix __VA_ARGS__, was broken due to typo. 
Original-commit: flang-compiler/f18@ba90b1fc27
Reviewed-on: https://github.com/flang-compiler/f18/pull/42
Tree-same-pre-rewrite: false
 2018-04-03 15:50:25 -07:00
Peter Klausler 52fe1aa994 [flang] Merge pull request flang-compiler/f18#39 from ThePortlandGroup/pmk-recovery2 
Error recovery in specification parts

Original-commit: flang-compiler/f18@074ce568ff
Reviewed-on: https://github.com/flang-compiler/f18/pull/39
 2018-04-03 14:34:58 -07:00
peter klausler 382edf056b [flang] Resolve some TODOs in the grammar. 
Original-commit: flang-compiler/f18@6ef9e2388b
Reviewed-on: https://github.com/flang-compiler/f18/pull/39
 2018-04-03 14:14:39 -07:00
peter klausler 828cff6dbb [flang] Error recovery for specification part. 
Original-commit: flang-compiler/f18@187075c7a0
Reviewed-on: https://github.com/flang-compiler/f18/pull/39
Tree-same-pre-rewrite: false
 2018-04-03 13:02:40 -07:00
Peter Klausler f84cbb067b [flang] Merge pull request flang-compiler/f18#38 from ThePortlandGroup/pmk-recovery 
Messaging and error recovery work

Original-commit: flang-compiler/f18@073210bf91
Reviewed-on: https://github.com/flang-compiler/f18/pull/38
 2018-04-03 10:30:16 -07:00
peter klausler 41d9cfd728 [flang] Address review comments (thanks!). 
Original-commit: flang-compiler/f18@1e61fbaeae
Reviewed-on: https://github.com/flang-compiler/f18/pull/38
 2018-04-03 10:29:04 -07:00
peter klausler eab946db74 [flang] Add documentation. 
Original-commit: flang-compiler/f18@4114c9e695
Reviewed-on: https://github.com/flang-compiler/f18/pull/38
Tree-same-pre-rewrite: false
 2018-04-02 17:00:28 -07:00
peter klausler b493458e00 [flang] More clean-up in token-parsers.h. 
Original-commit: flang-compiler/f18@3202134542
Reviewed-on: https://github.com/flang-compiler/f18/pull/38
Tree-same-pre-rewrite: false
 2018-04-02 16:44:34 -07:00
peter klausler 10907c73db [flang] Debugging and a TODO. 
Original-commit: flang-compiler/f18@4fab40bc37
Reviewed-on: https://github.com/flang-compiler/f18/pull/38
Tree-same-pre-rewrite: false
 2018-04-02 16:33:10 -07:00
peter klausler 1e1ea723c5 [flang] Better error recovery, some debugging. 
Original-commit: flang-compiler/f18@b7509f0e5b
Reviewed-on: https://github.com/flang-compiler/f18/pull/38
Tree-same-pre-rewrite: false
 2018-04-02 16:06:18 -07:00
peter klausler af22e07f71 [flang] Revamp messaging. Add ""_err_en_US to denote fatal error messages. 
Original-commit: flang-compiler/f18@7ddc807a1b
Reviewed-on: https://github.com/flang-compiler/f18/pull/38
Tree-same-pre-rewrite: false
 2018-04-02 15:51:04 -07:00
peter klausler bb273e9ecb [flang] Fix debug-parser.h after recent merge. 
Original-commit: flang-compiler/f18@97b6df606c
Reviewed-on: https://github.com/flang-compiler/f18/pull/38
Tree-same-pre-rewrite: false
 2018-04-02 11:52:53 -07:00
peter klausler 0fb7dca452 [flang] Fix indentation bug in unparsed output that I introduced in last merge. 
Original-commit: flang-compiler/f18@aa0ba5acac
Reviewed-on: https://github.com/flang-compiler/f18/pull/38
Tree-same-pre-rewrite: false
 2018-04-02 11:05:07 -07:00
peter klausler 6ec5f8fa2c [flang] Work around clang-format issue by using "auto" where type is obvious. 
Original-commit: flang-compiler/f18@7499bccaa9
Reviewed-on: https://github.com/flang-compiler/f18/pull/38
Tree-same-pre-rewrite: false
 2018-04-02 11:01:31 -07:00
Tim Keith 432ffe829c [flang] Merge pull request flang-compiler/f18#36 from ThePortlandGroup/tsk6 
Continue work on name resolution

Original-commit: flang-compiler/f18@acaee7b44f
Reviewed-on: https://github.com/flang-compiler/f18/pull/36
 2018-04-02 10:49:22 -07:00
Tim Keith dcc4dd8627 [flang] Fix bug parsing "implicit none(type)" 
"implicit none(type)" was being recognized as "implicit none(external)".

Original-commit: flang-compiler/f18@0cc8867836
Reviewed-on: https://github.com/flang-compiler/f18/pull/36
 2018-04-02 10:49:22 -07:00