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path: root/libbuild2/parser.cxx
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2020-06-05Add ability to split ad hoc C++ recipe into global and local fragmentsBoris Kolpackov1-6/+34
Specifically, now we can write: {{ c++ 1 -- #include <map> -- recipe apply (action, target&) const override { ... } }}
2020-06-05Add ability to specify ad hoc recipe actionsBoris Kolpackov1-8/+122
We are reusing the buildspec syntax for that.
2020-06-04Properly handle diag directive in build script parserKaren Arutyunov1-1/+2
2020-06-03Allow process path values and targets as buildscript program namesKaren Arutyunov1-2/+2
Also deduce the recipe name.
2020-06-03Add versioning for ad hoc C++ recipesBoris Kolpackov1-2/+21
This will allow us to deal with backward-incompatible changes to cxx_rule interface and semantics.
2020-06-03Factor implementation-specific ad hoc recipe parsing to adhoc_*_ruleBoris Kolpackov1-68/+40
2020-05-29Move low-verbosity command name from adhoc_script_rule to scriptBoris Kolpackov1-3/+3
2020-05-29Add support for is-else, switch in ad hoc recipesBoris Kolpackov1-130/+262
2020-05-27Add support for value subscript after expansionsBoris Kolpackov1-27/+118
Value subscript is only recognized in evaluation contexts (due to ambiguity with wildcard patterns; consider: $x[123].txt) and should be unseparated from the previous token. For example: x = ($y[1]) x = (($f ? $y : $z)[1]) x = ($identity($y)[$z])
2020-05-27Initial support for ad hoc recipes (still work in progress)Boris Kolpackov1-140/+404
2020-05-27Improve ternary diagnostics with info for wildcard pattern escapeBoris Kolpackov1-2/+13
2020-05-01Fix outstanding issue with directive vs assignment differentiationBoris Kolpackov1-6/+14
Specifically, now the following does the right thing: print +foo
2020-04-30Rename target::member to target::adhoc_memberBoris Kolpackov1-2/+2
2020-04-27Rework tool importation along with cli moduleBoris Kolpackov1-55/+107
Specifically, now config.<tool> (like config.cli) is handled by the import machinery (it is like a shorter alias for config.import.<tool>.<tool>.exe that we already had). And the cli module now uses that instead of custom logic. This also adds support for uniform tool metadata extraction that is handled by the import machinery. As a result, a tool that follows the "build2 way" can be imported with metadata by the buildfile and/or corresponding module without any tool-specific code or brittleness associated with parsing --version or similar outputs. See the cli tool/module for details. Finally, two new flavors of the import directive are now supported: import! triggers immediate importation skipping any rule-specific logic while import? is optional import (analogous to using?). Note that optional import is always immediate. There is also the import-specific metadata attribute which can be specified for these two import flavors in order to trigger metadata importation. For example: import? [metadata] cli = cli%exe{cli} if ($cli != [null]) info "cli version $($cli:cli.version)"
2020-04-27Don't switch projects when switching scopes during bootstrapBoris Kolpackov1-5/+13
2020-04-27Fix assertion failure when name extension pattern is usedKaren Arutyunov1-0/+4
2020-04-08Allow configuration variables in unnamed projectsBoris Kolpackov1-9/+27
While generally a bad idea, there are valid situations where this may happen, such as a standalone build of the tests subproject in test-installed.
2020-03-31Handle duplicate config directives for same variableBoris Kolpackov1-1/+18
2020-03-31Switch to project variable visibility by defaultBoris Kolpackov1-2/+3
2020-03-27Fix bug in previous commitBoris Kolpackov1-2/+2
2020-03-27Implement project configuration reporting, similar to build system modulesBoris Kolpackov1-85/+186
2020-03-26Make buildfile parser reset'ableBoris Kolpackov1-12/+32
Note that the testscript parser (which derives from the buildfile parser) is (still) not reset'able (this functionality is currently not needed so why complicate things).
2020-03-25Enforce config directives only appearing in project's root.buildBoris Kolpackov1-6/+7
2020-03-20Initial implementation of config directive for project-specific configurationBoris Kolpackov1-1/+135
2020-03-20Lexer support for default value assignment (?=)Boris Kolpackov1-0/+10
Note: not yet supported in the parser.
2020-03-18Cleanup variable type/visibility/overridability logicBoris Kolpackov1-40/+54
2020-03-18Get rid of old and unused logicBoris Kolpackov1-30/+5
2020-03-17Rename all find*(variable) to lookup*(variable)Boris Kolpackov1-2/+2
Now we consistently use term "lookup" for variable value lookup. At some point we should also rename type lookup to binding and get rid of all the lookup_type aliases.
2020-02-07Drop copyright notice from source codeKaren Arutyunov1-1/+0
2020-01-28Use scope::var_pool()Boris Kolpackov1-3/+3
2020-01-27Improve module loading APIBoris Kolpackov1-1/+1
2020-01-27Improve process run_*() APIBoris Kolpackov1-9/+6
2019-11-15Test and document wildcard character escapingBoris Kolpackov1-1/+1
Also document the new bracket expression ([...]) wildcard support.
2019-11-15Generalize attributes to be comma-separated with arbitrary valuesBoris Kolpackov1-45/+77
Before: x = [string null] After: x = [string, null]
2019-11-14Cleanup attribute parsing codeBoris Kolpackov1-48/+28
2019-11-14Require attributes to be separated from words and similar on RHSBoris Kolpackov1-2/+19
2019-11-14Tighten up attribute recognition during parsingBoris Kolpackov1-78/+111
Now it should be possible to use `[]` for wildcard patterns, for example: foo = foo.[hit]xx Note that a leading bracket expression will still be recognized as attributes and escaping or quoting it will inhibit pattern matching. To resolve this case we need to specify an empty attribute list: foo = [] [abc]-foo.cxx
2019-11-11Use path_name for `-` to stdin/stdout translationKaren Arutyunov1-17/+18
2019-11-07Initial work on path_name use for `-` to stdin/stdout translationBoris Kolpackov1-2/+2
2019-11-05Cosmetic changeBoris Kolpackov1-2/+2
2019-11-05Fix function call diagnostics to use diag_frameBoris Kolpackov1-15/+11
2019-11-04Add support for configuration exporting and importingBoris Kolpackov1-3/+8
The new config.export variable specifies the alternative file to write the configuration to as part of the configure meta-operation. For example: $ b configure: proj/ config.export=proj-config.build The config.export value "applies" only to the projects on whose root scope it is specified or if it is a global override (the latter is a bit iffy but we allow it, for example, to dump everything to stdout). This means that in order to save a subproject's configuration we will have to use a scope-specific override (since the default will apply to the outermost amalgamation). For example: $ b configure: subproj/ subproj/config.export=.../subproj-config.build This could be somewhat unnatural but then it will be the amalgamation whose configuration we normally want to export. The new config.import variable specifies additional configuration files to be loaded after the project's default config.build, if any. For example: $ b create: cfg/,cc config.import=my-config.build Similar to config.export, the config.import value "applies" only to the project on whose root scope it is specified or if it is a global override. This allows the use of the standard override "positioning" machinery (i.e., where the override applies) to decide where the extra configuration files are loaded. The resulting semantics is quite natural and consistent with command line variable overrides, for example: $ b config.import=.../config.build # outermost amalgamation $ b ./config.import=.../config.build # this project $ b !config.import=.../config.build # every project Both config.export and config.import recognize the special `-` file name as an instruction to write/read to/from stdout/stdin, respectively. For example: $ b configure: src-prj/ config.export=- | b configure: dst-prj/ config.import=-
2019-10-31Fix crashing on unhandled invalid_path thrown by parser::parse_include()Karen Arutyunov1-17/+36
2019-10-09Prepend pattern search paths to PATH when running binutilsBoris Kolpackov1-5/+6
This way any dependent tools (such as mt.exe that is invoked by link.exe) are first search for in there.
2019-10-01Adapt to moving path match to path-pattern.?xxKaren Arutyunov1-1/+2
2019-10-01Adapt to swapping of entry and pattern parameters in butl::path_match()Karen Arutyunov1-3/+3
2019-09-30Fix bug in for-loop body evaluationBoris Kolpackov1-6/+10
2019-09-30Allow attributes in if-else, assert directive's conditionsBoris Kolpackov1-17/+25
2019-09-30Cleanup inappropriate use of parse_variable_value()Boris Kolpackov1-40/+42
2019-09-30Handle attributes in switch value and pattern expressionsBoris Kolpackov1-2/+28
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