first commit; core functionality done
This commit is contained in:
commit
d35bc218fd
5 changed files with 323 additions and 0 deletions
3
.gitignore
vendored
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3
.gitignore
vendored
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@ -0,0 +1,3 @@
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/target
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ngen.toml
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build.ninja
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145
Cargo.lock
generated
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145
Cargo.lock
generated
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@ -0,0 +1,145 @@
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# This file is automatically @generated by Cargo.
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# It is not intended for manual editing.
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version = 3
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[[package]]
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name = "equivalent"
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version = "1.0.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
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[[package]]
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name = "hashbrown"
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version = "0.14.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "290f1a1d9242c78d09ce40a5e87e7554ee637af1351968159f4952f028f75604"
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[[package]]
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name = "indexmap"
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version = "2.2.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "7b0b929d511467233429c45a44ac1dcaa21ba0f5ba11e4879e6ed28ddb4f9df4"
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dependencies = [
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"equivalent",
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"hashbrown",
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]
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[[package]]
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name = "memchr"
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version = "2.7.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "523dc4f511e55ab87b694dc30d0f820d60906ef06413f93d4d7a1385599cc149"
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[[package]]
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name = "ngen"
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version = "0.1.0"
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dependencies = [
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"toml",
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]
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[[package]]
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name = "proc-macro2"
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version = "1.0.78"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e2422ad645d89c99f8f3e6b88a9fdeca7fabeac836b1002371c4367c8f984aae"
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dependencies = [
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"unicode-ident",
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]
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[[package]]
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name = "quote"
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version = "1.0.35"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "291ec9ab5efd934aaf503a6466c5d5251535d108ee747472c3977cc5acc868ef"
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dependencies = [
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"proc-macro2",
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]
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[[package]]
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name = "serde"
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version = "1.0.197"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3fb1c873e1b9b056a4dc4c0c198b24c3ffa059243875552b2bd0933b1aee4ce2"
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dependencies = [
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"serde_derive",
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]
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[[package]]
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name = "serde_derive"
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version = "1.0.197"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "7eb0b34b42edc17f6b7cac84a52a1c5f0e1bb2227e997ca9011ea3dd34e8610b"
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dependencies = [
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"proc-macro2",
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"quote",
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"syn",
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]
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[[package]]
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name = "serde_spanned"
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version = "0.6.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "eb3622f419d1296904700073ea6cc23ad690adbd66f13ea683df73298736f0c1"
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dependencies = [
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"serde",
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]
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[[package]]
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name = "syn"
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version = "2.0.52"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "b699d15b36d1f02c3e7c69f8ffef53de37aefae075d8488d4ba1a7788d574a07"
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dependencies = [
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"proc-macro2",
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"quote",
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"unicode-ident",
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]
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[[package]]
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name = "toml"
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version = "0.8.10"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "9a9aad4a3066010876e8dcf5a8a06e70a558751117a145c6ce2b82c2e2054290"
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dependencies = [
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"serde",
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"serde_spanned",
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"toml_datetime",
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"toml_edit",
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]
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[[package]]
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name = "toml_datetime"
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version = "0.6.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3550f4e9685620ac18a50ed434eb3aec30db8ba93b0287467bca5826ea25baf1"
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dependencies = [
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"serde",
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]
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[[package]]
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name = "toml_edit"
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version = "0.22.6"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "2c1b5fd4128cc8d3e0cb74d4ed9a9cc7c7284becd4df68f5f940e1ad123606f6"
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dependencies = [
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"indexmap",
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"serde",
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"serde_spanned",
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"toml_datetime",
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"winnow",
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]
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[[package]]
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name = "unicode-ident"
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version = "1.0.12"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b"
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[[package]]
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name = "winnow"
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version = "0.6.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "dffa400e67ed5a4dd237983829e66475f0a4a26938c4b04c21baede6262215b8"
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dependencies = [
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"memchr",
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]
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9
Cargo.toml
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9
Cargo.toml
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@ -0,0 +1,9 @@
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[package]
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name = "ngen"
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version = "0.1.0"
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edition = "2021"
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# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
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[dependencies]
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toml = "0.8.10"
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2
install.sh
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2
install.sh
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@ -0,0 +1,2 @@
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cargo build --release
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cp target/release/ngen ~/.local/bin
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164
src/main.rs
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164
src/main.rs
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@ -0,0 +1,164 @@
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use core::panic;
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use std::fs::{read, write};
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use toml::{Table, Value};
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fn print_tabs(num: usize) {
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for _ in 0..num {
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print!(" ");
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}
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}
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fn print_table(table: &Table, depth: usize) {
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for k in table.keys() {
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match table.get(k) {
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Some(v) => match v {
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Value::Table(t) => {
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print_tabs(depth);
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println!("{k}:");
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print_table(&t, depth + 1)
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}
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Value::String(s) => {
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print_tabs(depth);
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println!("{k}: {s}");
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}
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Value::Array(a) => {
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print_tabs(depth);
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println!("(array){k}:");
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for element in a {
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match element {
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Value::String(s) => println!(" {}", s),
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_ => todo!(),
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}
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}
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}
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_ => continue,
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},
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None => continue,
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}
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}
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}
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fn target_generator(name: &str, config_table: &Table) -> String {
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let mut ret = String::from("");
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let clang = Value::String(String::from("clang"));
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let blank = Value::String(String::from(""));
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let compiler = match config_table.get("compiler").unwrap_or(&clang) {
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Value::String(s) => s,
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_ => panic!("fatal: {name}.compiler: invalid type (must be string)"),
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};
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let compiler_flags = match config_table.get("compiler_flags").unwrap_or(&blank) {
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Value::String(s) => s,
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_ => panic!("fatal: {name}.compiler_flags: invalid type (must be string)"),
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};
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let linker_flags = match config_table.get("linker_flags").unwrap_or(&blank) {
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Value::String(s) => s,
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_ => panic!("fatal: {name}.linker_flags: invalid type (must be string)"),
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};
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let linker_libs = match config_table.get("linker_libs").unwrap_or(&blank) {
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Value::String(s) => s,
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_ => panic!("fatal: {name}.linker_libs: invalid type (must be string)"),
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};
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let compiler_linker = Value::String(compiler.to_string());
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let linker = match config_table.get("linker").unwrap_or(&compiler_linker) {
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Value::String(s) => s,
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_ => panic!("fatal: {name}.linker: invalid type (must be string)"),
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};
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ret.push_str(&format!(
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r#"# BEGIN TARGET {name}
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cflags_{name} = {compiler_flags}
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linker_flags_{name} = {linker_flags}
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linker_libs_{name} = {linker_libs}
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rule cc_{name}
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deps = gcc
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depfile = $out.d
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command = {compiler} $cflags_{name} -MD -MF $out.d -o $out -c $in
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description = Building [{name}] object $out
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rule link_{name}
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command = {linker} $linker_flags_{name} -o $out $in $linker_libs_{name}
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description = Linking [{name}] $out
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build $builddir/{name}: mkdir
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"#
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));
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let sources = config_table
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.get("sources")
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.unwrap_or_else(|| panic!("fatal: must provide sources"));
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let mut source_list: Vec<String> = Vec::new();
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match sources {
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Value::Array(a) => {
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for elem in a {
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match elem {
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Value::String(s) => {
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let obj_name = format!("$builddir/{name}/{s}.o");
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ret.push_str(&format!(
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"build {obj_name}: cc_{name} {s} | build.ninja || $builddir/{name}\n"
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));
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source_list.push(obj_name);
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}
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_ => panic!(
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"fatal: element in {name}.sources: invalid source type (must be a string)"
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),
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}
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}
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}
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_ => panic!("fatal: {name}.sources: invalid sources type (must be a list of strings)"),
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};
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ret.push_str(&format!("\nbuild $builddir/{name}/{name}: link_{name} "));
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ret.push_str(&source_list.join(" "));
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ret.push_str(&format!(" \nbuild {name}: phony $builddir/{name}/{name}\n"));
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ret.push_str(&format!("# END TARGET {name}\n\n"));
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ret
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}
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fn main() {
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let conf_file_name = "ngen.toml";
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let conf_file_bytes =
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read(conf_file_name).unwrap_or_else(|e| panic!("fatal: could not read file: {e}"));
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let conf_file = String::from_utf8_lossy(&conf_file_bytes);
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let conf = toml::from_str::<Table>(&conf_file)
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.unwrap_or_else(|e| panic!("fatal: could not parse config file: {e}"));
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let mut ninjafile = String::from(
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r#"builddir = build
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rule mkdir
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command = mkdir -p $out
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description = Creating directory $out
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rule regen
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command = ngen -f $in
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generator = 1
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description = Regenerating build.ninja
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build build.ninja: regen ngen.toml
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pool = console
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"#,
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);
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for k in conf.keys() {
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match conf.get(k) {
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Some(v) => match v {
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Value::Table(t) => {
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//print_table(&t, 0);
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ninjafile.push_str(&target_generator(&k, &t));
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}
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Value::String(s) => {
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println!("{k}: {s}");
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}
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_ => continue,
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},
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None => continue,
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}
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}
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write("build.ninja", ninjafile)
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.unwrap_or_else(|e| panic!("fatal: could not write ninja file: {e}"));
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}
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