1 files changed, 21 insertions, 0 deletions
diff --git a/lib/compilers/ispc.js b/lib/compilers/ispc.js
index 8c1481b8a..897c0976f 100644
--- a/lib/compilers/ispc.js
+++ b/lib/compilers/ispc.js
@@ -22,7 +22,11 @@
 // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 // POSSIBILITY OF SUCH DAMAGE.
 
+import Semver from 'semver';
+import _ from 'underscore';
+
 import {BaseCompiler} from '../base-compiler';
+import {asSafeVer} from '../utils';
 
 import {ISPCParser} from './argument-parsers';
 
@@ -37,6 +41,10 @@ export class ISPCCompiler extends BaseCompiler {
         this.compiler.irArg = ['--emit-llvm-text'];
     }
 
+    couldSupportASTDump(version) {
+        return Semver.gte(asSafeVer(this.compiler.semver), '1.18.0', true);
+    }
+
     optionsForFilter(filters, outputFilename) {
         let options = ['--target=avx2-i32x8', '--emit-asm', '-g', '-o', this.filename(outputFilename)];
         if (this.compiler.intelAsm && filters.intel && !filters.binary) {
@@ -54,6 +62,19 @@ export class ISPCCompiler extends BaseCompiler {
         return ISPCParser;
     }
 
+    async generateAST(inputFilename, options) {
+        // These options make Clang produce an AST dump
+        const newOptions = _.filter(options, option => option !== '--colored-output').concat(['--ast-dump']);
+
+        const execOptions = this.getDefaultExecOptions();
+        // A higher max output is needed for when the user includes headers
+        execOptions.maxOutput = 1024 * 1024 * 1024;
+
+        return this.llvmAst.processAst(
+            await this.runCompiler(this.compiler.exe, newOptions, this.filename(inputFilename), execOptions),
+        );
+    }
+
     isCfgCompiler(/*compilerVersion*/) {
         return true;
     }