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build: check if parser oracle must be regenerated

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Isaac Freund committed 2026-07-08 15:49:43 +02:00
1 parent 06b1896a61
commit b2c3c33eef
2 files changed
+37 -12
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build.zig
+15 -6
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@@ -720,18 +720,27 @@ pub fn build(b: *std.Build) !void {
check_mingw_step.dependOn(&check_mingw_run.step);
{
const gpo_step = b.step("gen-parser-oracle", "Regenerate lib/std/zig/parser_generated_oracle.zig from doc/langref/grammar.peg");
const gpo_exe = b.addExecutable(.{
const gen_oracle_exe = b.addExecutable(.{
.name = "gen_parser_oracle",
.root_module = b.createModule(.{
.root_source_file = b.path("tools/gen_parser_oracle.zig"),
.target = b.graph.host,
}),
});
const gpo_run = b.addRunArtifact(gpo_exe);
gpo_run.addFileArg(b.path("doc/langref/grammar.peg"));
gpo_run.addFileArg(b.path("lib/std/zig/parser_generated_oracle.zig"));
gpo_step.dependOn(&gpo_run.step);
const gen_oracle_step = b.step("gen-parser-oracle", "Regenerate lib/std/zig/parser_generated_oracle.zig from doc/langref/grammar.peg");
const gen_oracle_run = b.addRunArtifact(gen_oracle_exe);
gen_oracle_run.addFileArg(b.path("doc/langref/grammar.peg"));
gen_oracle_run.addFileArg(b.path("lib/std/zig/parser_generated_oracle.zig"));
gen_oracle_step.dependOn(&gen_oracle_run.step);
const check_oracle_step = b.step("check-parser-oracle", "Check if doc/langref/grammar.peg was modified without regenerating the oracle");
const check_oracle_run = b.addRunArtifact(gen_oracle_exe);
check_oracle_run.addFileArg(b.path("doc/langref/grammar.peg"));
check_oracle_run.addFileArg(b.path("lib/std/zig/parser_generated_oracle.zig"));
check_oracle_run.addArg("--check");
check_oracle_step.dependOn(&check_oracle_run.step);
test_step.dependOn(check_oracle_step);
}
const test_incremental_step = b.step("test-incremental", "Run the incremental compilation test cases");