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feat: implement ANTLR grammar-aware fuzzing library for parser testing #17

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Merged
h3n4l merged 9 commits into from
Aug 29, 2025
Merged

feat: implement ANTLR grammar-aware fuzzing library for parser testing #17

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eb1a8df
feat: initialize fuzz
h3n4l Aug 26, 2025
32bae30
fix: remove range
h3n4l Aug 26, 2025
a3c23e6
feat: parse grammar IR
h3n4l Aug 28, 2025
56efd14
feat: lexer parser v1
h3n4l Aug 28, 2025
192f566
feat: generator for lexer rules
h3n4l Aug 28, 2025
5692d21
chore: merge grammars
h3n4l Aug 28, 2025
5659f1c
chore: remove list grammar options
h3n4l Aug 28, 2025
cf77e43
v1
h3n4l Aug 29, 2025
029ad0c
chore: go mod tidy
h3n4l Aug 29, 2025
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5 changes: 4 additions & 1 deletion .gitignore
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Expand Up @@ -44,4 +44,7 @@ go.work.sum
# node_modules
**/node_modules/

**/*.class
**/*.class

# No binary files
**/bin/**
1 change: 1 addition & 0 deletions go.mod
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Expand Up @@ -4,6 +4,7 @@ go 1.24.5

require (
github.com/antlr4-go/antlr/v4 v4.13.1
github.com/pkg/errors v0.9.1
github.com/stretchr/testify v1.10.0
)

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2 changes: 2 additions & 0 deletions go.sum
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Expand Up @@ -2,6 +2,8 @@ github.com/bytebase/antlr/v4 v4.0.0-20240827034948-8c385f108920 h1:IfmPt5o5R70NK
github.com/bytebase/antlr/v4 v4.0.0-20240827034948-8c385f108920/go.mod h1:ykhjIPiv0IWpu3OGXCHdz2eUSe8UNGGD6baqjs8jSuU=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
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230 changes: 0 additions & 230 deletions tools/fuzzing/DESIGN.md
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38 changes: 38 additions & 0 deletions tools/fuzzing/Makefile
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@@ -0,0 +1,38 @@
.PHONY: all test clean help

all: test

# Run tests
test:
@echo "Running tests..."
go test -v github.com/bytebase/parser/tools/fuzzing/...

# Clean build artifacts
clean:
@echo "Cleaning..."
go clean

# Install dependencies
deps:
@echo "Installing dependencies..."
cd ../.. && go mod tidy && go mod download

# Format code
fmt:
@echo "Formatting code..."
go fmt github.com/bytebase/parser/tools/fuzzing/...

# Run linter
lint:
@echo "Running linter..."
golangci-lint run

# Show help
help:
@echo "Available targets:"
@echo " test - Run all tests"
@echo " clean - Clean build artifacts"
@echo " deps - Install/update dependencies"
@echo " fmt - Format all Go code"
@echo " lint - Run golangci-lint"
@echo " help - Show this help message"
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