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(parent: 6cde831) | patch
Add an explicit intermediate YANG representation 47/92247/3
authorRobert Varga <robert.varga@pantheon.tech>
Fri, 14 Aug 2020 10:55:12 +0000 (12:55 +0200)
committerRobert Varga <robert.varga@pantheon.tech>
Mon, 7 Sep 2020 12:07:37 +0000 (14:07 +0200)
commit33b20eba8fea4679652487de225b93bb824e9196
tree3815072837186ee3ab422bf7a65d2d800dba62e4tree | snapshot
parent6cde83108d10a7bcc8442ae9c56f404cad55ea00commit | diff
Add an explicit intermediate YANG representation

ANTLR classes are geared towards parsing and raw speed, without much
regards to memory usage. Most notably using ParseTree as our AST ends
up retaining separators and various metadata which we do not really
need.

Add a simplistic intermediate representation for our AST, which where
we pre-process ANTLR trees and de-duplicate strings. This leads to
elimination of 90% of objects, with corresponding reduction of memory
footprint.

JIRA: YANGTOOLS-1130
Change-Id: Idf057bbb1e29280a8e378529401023fb87d18923
Signed-off-by: Robert Varga <robert.varga@pantheon.tech>
(cherry picked from commit c4b572cd6d818d23e1d1d8d1883f388b43bb1160)
20 files changed:
yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/ir/AbstractIRObject.java [new file with mode: 0644] blob
yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/ir/IRArgument.java [new file with mode: 0644] blob
yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/ir/IRKeyword.java [new file with mode: 0644] blob
yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/ir/IRStatement.java [new file with mode: 0644] blob
yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/ir/IRStatement022.java [new file with mode: 0644] blob
yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/ir/IRStatement031.java [new file with mode: 0644] blob
yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/ir/IRStatement044.java [new file with mode: 0644] blob
yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/ir/IRStatement144.java [new file with mode: 0644] blob
yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/ir/IRStatementL44.java [new file with mode: 0644] blob
yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/ir/StatementFactory.java [new file with mode: 0644] blob
yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/ir/package-info.java [new file with mode: 0644] blob
yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/repo/ASTSchemaSource.java diff | blob | history
yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/repo/ArgumentContextUtils.java diff | blob | history
yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/repo/IRParserRuleContext.java [new file with mode: 0644] blob
yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/repo/StatementContextVisitor.java diff | blob | history
yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/repo/TextToASTTransformer.java diff | blob | history
yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/repo/YangModelDependencyInfo.java diff | blob | history
yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/repo/YangStatementStreamSource.java diff | blob | history
yang/yang-parser-rfc7950/src/test/java/org/opendaylight/yangtools/yang/parser/rfc7950/ir/StatementFactoryTest.java [new file with mode: 0644] blob
yang/yang-parser-rfc7950/src/test/java/org/opendaylight/yangtools/yang/parser/rfc7950/repo/ArgumentContextUtilsTest.java diff | blob | history
OpenDaylight YANG Tools