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60 lines
1.7 KiB
Bash
Executable file
60 lines
1.7 KiB
Bash
Executable file
#!/bin/bash
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# ================================================================
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# Reads the Miller DSL grammar file and generates Go code.
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#
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# This is not run on every build / commit / etc.
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#
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# It's intended to be run manually by the developer, as needed when mlr.bnf
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# changes for example.
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#
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# Resulting auto-generated .go files should then be checked into source control.
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#
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# With verbose, *.txt files are created with information about LR1 conflicts
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# etc. Please don't commit them.
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#
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# As of mid-2021 this takes easily 5-10 minutes to run.
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# ================================================================
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set -euo pipefail
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verbose="true"
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if [ $# -eq 1 ]; then
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if [ "$1" == "-v" ]; then
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verbose="true"
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elif [ "$1" == "-q" ]; then
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verbose="true"
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fi
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fi
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# Build the bin/gocc executable:
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go install github.com/goccmack/gocc
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go mod tidy
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bingocc="$HOME/go/bin/gocc"
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if [ ! -x "$bingocc" ]; then
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exit 1
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fi
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rm -f pkg/parsing/*.txt
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if [ "$verbose" = "true" ]; then
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lr1="pkg/parsing/LR1_conflicts.txt"
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$bingocc -v -o ./pkg/parsing -p mlr/pkg/parsing pkg/parsing/mlr.bnf || expand -2 $lr1
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else
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$bingocc -o ./pkg/parsing -p mlr/pkg/parsing pkg/parsing/mlr.bnf
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fi
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# Code-gen directories:
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# pkg/parsing/errors/
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# pkg/parsing/lexer/
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# pkg/parsing/parser/
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# pkg/parsing/token/
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# pkg/parsing/util/
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# Override GOCC codegen with customized error handling
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cp pkg/parsing/errors.go.template pkg/parsing/errors/errors.go
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# We might need a manual replace of os.ReadFile by ioutil.ReadFile in autogen code. Note we don't
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# use latest-and-greatest Go compiler version in our go.mod since we want to build on Centos which
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# can be trailing-edge in that regard.
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for x in pkg/parsing/*/*.go; do gofmt -w $x; done
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