feat: combinator based parser

ci: test all parsers

.github/workflows/ci.yml

@@ -8,34 +8,43 @@ env:
 jobs:
   build:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        strace-parser: [combinator, peg, regex]
     steps:
       - uses: actions/checkout@v4
       - uses: actions-rs/toolchain@v1
         with:
           profile: minimal
           toolchain: stable
-      - run: cargo build --verbose
+      - run: cargo build --no-default-features --features strace-parser-${{matrix.strace-parser}} --verbose
 
   test:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        strace-parser: [combinator, peg, regex]
     steps:
       - uses: actions/checkout@v4
       - uses: actions-rs/toolchain@v1
         with:
           profile: minimal
           toolchain: stable
-      - run: cargo test --bins --verbose
+      - run: cargo test --bins --no-default-features --features strace-parser-${{matrix.strace-parser}} --verbose
 
   clippy:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        strace-parser: [combinator, peg, regex]
     steps:
       - uses: actions/checkout@v4
       - uses: actions-rs/toolchain@v1
         with:
           profile: minimal
           toolchain: stable
           components: clippy
-      - run: cargo clippy -- -D warnings
+      - run: cargo clippy --no-default-features --features strace-parser-${{matrix.strace-parser}} -- -D warnings
 
   fmt:
     runs-on: ubuntu-latest

Cargo.toml

@@ -15,10 +15,12 @@ strip = true
 anyhow = { version = "1.0.72", default-features = false, features = ["std", "backtrace"] }
 bincode = { version = "1.3.3", default-features = false }
 clap = { version = "4.3.17", default-features = false, features = ["std", "color", "help", "usage", "error-context", "suggestions", "derive"] }
+function_name = { version = "0.3.0", default-features = false, optional = true }
 itertools = { version = "0.11.0", default-features = false, features = ["use_std"] }
 lazy_static = { version = "1.4.0", default-features = false }
 log = { version = "0.4.19", default-features = false, features = ["max_level_trace", "release_max_level_info"] }
 nix = { version = "0.26.2", default-features = false, features = ["fs"] }
+nom = { version = "7.1.3", default-features = false, features = ["std"], optional = true }
 pest = { version = "2.7.10", default-features = false, features = ["std", "memchr"], optional = true }
 pest_derive = { version = "2.7.10", default-features = false, features = ["std", "grammar-extras"], optional = true}
 rand = { version = "0.8.5", default-features = false, features = ["std", "std_rng"] }
@@ -37,11 +39,12 @@ predicates = { version = "3.0.3", default-features = false, features = ["color"]
 pretty_assertions = { version = "1.4.0", default-features = false, features = ["std"] }
 
 [features]
-default = ["parser-peg"]
+default = ["strace-parser-combinator"]
 as-root = [] # for tests only
 nightly = [] # for benchmarks only
-parser-peg = ["dep:pest", "dep:pest_derive"]
-parser-regex = []
+strace-parser-combinator = ["dep:function_name", "dep:nom"]
+strace-parser-peg = ["dep:pest", "dep:pest_derive"]
+strace-parser-regex = []
 
 [lints.rust]
 missing_docs = "warn"

src/strace/mod.rs

@@ -50,6 +50,7 @@ pub enum Expression {
         args: Vec<Expression>,
     },
     // Only used for strace pseudo macro invocations, see `test_macro_addr_arg` for an example
+    #[cfg_attr(feature = "strace-parser-regex", allow(dead_code))]
     DestinationAddress(String),
 }