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More efficient loading for default syntax files

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This change introduces header files for syntax files. The header
files only contain the filetype and detection info and can be
parsed much faster than parsing a full yaml file. To determine
which filetype a file is, only scanning the headers is necessary
and afterwards only one yaml file needs to be parsed. Use the
make_headers.go file to generate the header files. Micro expects
that all default syntax files will have header files and that
custom user syntax files may or may not have them. Resolving
includes within syntax has not yet been implemented. This
optimization improves startup time.

Ref #1427
This commit is contained in:
Zachary Yedidia
2019-12-28 21:26:22 -05:00
parent 8663014bbe
commit a61616d79e
6 changed files with 3065 additions and 100 deletions
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14
Makefile
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@@ -1,15 +1,14 @@
.PHONY: runtime
VERSION := $(shell GOOS=$(shell go env GOHOSTOS) GOARCH=$(shell go env GOHOSTARCH) \
VERSION = $(shell GOOS=$(shell go env GOHOSTOS) GOARCH=$(shell go env GOHOSTARCH) \
go run tools/build-version.go)
HASH := $(shell git rev-parse --short HEAD)
DATE := $(shell GOOS=$(shell go env GOHOSTOS) GOARCH=$(shell go env GOHOSTARCH) \
HASH = $(shell git rev-parse --short HEAD)
DATE = $(shell GOOS=$(shell go env GOHOSTOS) GOARCH=$(shell go env GOHOSTARCH) \
go run tools/build-date.go)
ADDITIONAL_GO_LINKER_FLAGS := $(shell GOOS=$(shell go env GOHOSTOS) \
GOARCH=$(shell go env GOHOSTARCH) \
go run tools/info-plist.go "$(VERSION)")
ADDITIONAL_GO_LINKER_FLAGS = $(shell GOOS=$(shell go env GOHOSTOS) \
GOARCH=$(shell go env GOHOSTARCH))
GOBIN ?= $(shell go env GOPATH)/bin
GOVARS := -X github.com/zyedidia/micro/internal/util.Version=$(VERSION) -X github.com/zyedidia/micro/internal/util.CommitHash=$(HASH) -X 'github.com/zyedidia/micro/internal/util.CompileDate=$(DATE)' -X github.com/zyedidia/micro/internal/util.Debug=OFF
GOVARS = -X github.com/zyedidia/micro/internal/util.Version=$(VERSION) -X github.com/zyedidia/micro/internal/util.CommitHash=$(HASH) -X 'github.com/zyedidia/micro/internal/util.CompileDate=$(DATE)' -X github.com/zyedidia/micro/internal/util.Debug=OFF
# Builds micro after checking dependencies but without updating the runtime
build:
@@ -53,4 +52,3 @@ test:
clean:
rm -f micro
rm -f runtime/syntax/*.hdr