Refactor custom node implementation, add visitor API and stable unqoted text.

.github/workflows/ci.yml

@@ -1,6 +1,12 @@
 name: ci
 
-on: [push, pull_request]
+on:
+  pull_request:
+    branches:
+      - main
+  push:
+    branches:
+      - main
 
 jobs:
   ci:
@@ -20,19 +26,19 @@ jobs:
       - name: build
         run: cargo build
 
-      - name: test
-        run: cargo test -p rstml
-
       - name: clippy
         run: cargo clippy --workspace
 
+      - name: test on Stable
+        run: cargo test --workspace
+
+      - name: Tests with rawtext hack
+        run: cargo test -p rstml --features "rawtext-stable-hack-module"
+
+      - name: Test extendable feature in rstml-control-flow
+        run: cargo test -p rstml-control-flow --features "extendable"
+
       - uses: dtolnay/rust-toolchain@nightly
 
       - name: test on Nightly
-        run: cargo test --workspace
-
-      - name: coverage
-        run: |
-          cargo install cargo-tarpaulin
-          cargo tarpaulin --out xml
-          bash <(curl -s https://codecov.io/bash)
+        run: cargo test --workspace 

.github/workflows/coverage.yml

@@ -0,0 +1,33 @@
+name: coverage
+
+on:
+  pull_request:
+    branches:
+      - main
+  push:
+    branches:
+      - main
+
+jobs:
+  test:
+    name: coverage
+    runs-on: ubuntu-latest
+
+    steps: 
+      - uses: actions/checkout@v3
+      - uses: dtolnay/rust-toolchain@nightly
+
+      - name: coverage nightly
+        run: |
+            cargo install cargo-tarpaulin
+            cargo tarpaulin --out xml --output-dir ./nightly --workspace
+      - uses: dtolnay/rust-toolchain@stable
+
+      - name: coverage nightly
+        run: |
+            cargo tarpaulin --out xml --output-dir ./stable --workspace
+      - uses: codecov/codecov-action@v3
+        with:
+            token: ${{ secrets.CODECOV_TOKEN }}
+            files: ./stable/cobertura.xml,./nightly/cobertura.xml 
+            name: RSTML

.tarpaulin.toml

@@ -0,0 +1,8 @@
+[unquoted_text_on_stable]
+features = "rstml/rawtext-stable-hack"
+
+[custom_node_extendable]
+features = "rstml-control-flow/extendable"
+
+[report]
+out = ["Xml", "Html"]

Cargo.toml

@@ -2,7 +2,7 @@
 name = "rstml"
 description = "Rust templating for XML-based formats (HTML, SVG, MathML) implemented on top of proc-macro::TokenStreams"
 version = "0.11.2"
-authors = ["vldm <[email protected]>","stoically <[email protected]>"]
+authors = ["vldm <[email protected]>", "stoically <[email protected]>"]
 keywords = ["syn", "jsx", "rsx", "html", "macro"]
 edition = "2018"
 repository = "https://github.com/rs-tml/rstml"
@@ -15,17 +15,22 @@ include = ["/src", "LICENSE"]
 bench = false
 
 [dependencies]
-proc-macro2 = "1.0.47"
+proc-macro2 = { version = "1.0.47", features = ["span-locations"] }
 quote = "1.0.21"
-syn = { version = "2.0.15", features = ["full", "parsing", "extra-traits"] }
+syn = { version = "2.0.15", features = [
+    "visit-mut",
+    "full",
+    "parsing",
+    "extra-traits",
+] }
 thiserror = "1.0.37"
 syn_derive = "0.1.6"
 proc-macro2-diagnostics = { version = "0.10", default-features = false }
 derive-where = "1.2.5"
 
 [dev-dependencies]
-proc-macro2 = {version = "1.0.47", features = ["span-locations"]}
-criterion = "0.4.0"
+proc-macro2 = { version = "1.0.47", features = ["span-locations"] }
+criterion = "0.5.1"
 eyre = "0.6.8"
 
 [[bench]]
@@ -34,10 +39,14 @@ harness = false
 path = "benches/bench.rs"
 
 [workspace]
-members = [
-    "examples/html-to-string-macro"
-]
+members = ["examples/html-to-string-macro", "rstml-control-flow"]
 
 [features]
 default = ["colors"]
+# Hack that parse input two times, using `proc-macro2::fallback` to recover spaces, and persist original spans.
+# It has no penalty in nightly, but in stable it parses input two times.
+# In order to use this feature, one should also set `ParserConfig::macro_call_pattern`.
+rawtext-stable-hack = ["rawtext-stable-hack-module"]
+# Export inters of rawtext_stable_hack. It is usefull if you need support of `UnquotedText` on stable but your macro is called from other one.
+rawtext-stable-hack-module = []
 colors = ["proc-macro2-diagnostics/colors"]

build.rs

@@ -0,0 +1,17 @@
+use std::{env, process::Command, str::from_utf8};
+
+fn main() {
+    if is_rustc_nightly() {
+        println!("cargo:rustc-cfg=rstml_signal_nightly");
+    }
+}
+
+fn is_rustc_nightly() -> bool {
+    || -> Option<bool> {
+        let rustc = env::var_os("RUSTC")?;
+        let output = Command::new(rustc).arg("--version").output().ok()?;
+        let version = from_utf8(&output.stdout).ok()?;
+        Some(version.contains("nightly"))
+    }()
+    .unwrap_or_default()
+}

examples/html-to-string-macro/Cargo.toml

@@ -2,7 +2,7 @@
 name = "rstml-to-string-macro"
 description = "simple html to string macro powered by rstml"
 version = "0.1.0"
-authors = ["vldm <[email protected]>","stoically <[email protected]>"]
+authors = ["vldm <[email protected]>", "stoically <[email protected]>"]
 keywords = ["html-to-string", "html", "macro"]
 edition = "2021"
 repository = "https://github.com/rs-tml/rstml/tree/main/examples/html-to-string-macro"
@@ -16,8 +16,13 @@ proc-macro = true
 proc-macro2 = "1.0.47"
 quote = "1.0.21"
 syn = "2.0.15"
-rstml = { version = "0.11.0", path = "../../" }
+syn_derive = "0.1"
+rstml = { version = "0.11.0", path = "../../", features = [
+    "rawtext-stable-hack",
+] }
 proc-macro2-diagnostics = "0.10"
+derive-where = "1.2.5"
+rstml-control-flow = { version = "0.1.0", path = "../../rstml-control-flow" }
 
 [dev-dependencies]
 trybuild = "1.0"