Sourcemap support for Binaryen C/JS (#1392)

* Initial source map support for C/JS

* Also test getDebugInfoFileName

1 files changed, 20 insertions, 0 deletions

diff --git a/src/binaryen-c.h b/src/binaryen-c.h
index b91689c3f..9033a6950 100644
--- a/src/binaryen-c.h
+++ b/src/binaryen-c.h
@@ -697,6 +697,16 @@ void BinaryenModuleAutoDrop(BinaryenModuleRef module);
 // @return how many bytes were written. This will be less than or equal to outputSize
 size_t BinaryenModuleWrite(BinaryenModuleRef module, char* output, size_t outputSize);
 
+typedef struct BinaryenBufferSizes {
+  size_t outputBytes;
+  size_t sourceMapBytes;
+} BinaryenBufferSizes;
+
+// Serialize a module into binary form including its source map. Uses the currently set
+// global debugInfo option.
+// @returns how many bytes were written. This will be less than or equal to outputSize
+BinaryenBufferSizes BinaryenModuleWriteWithSourceMap(BinaryenModuleRef module, const char* url, char* output, size_t outputSize, char* sourceMap, size_t sourceMapSize);
+
 // Deserialize a module from binary form.
 BinaryenModuleRef BinaryenModuleRead(char* input, size_t inputSize);
 
@@ -705,6 +715,13 @@ BinaryenModuleRef BinaryenModuleRead(char* input, size_t inputSize);
 // and then destroying the instance.
 void BinaryenModuleInterpret(BinaryenModuleRef module);
 
+// Adds a debug info file name to the module and returns its index.
+BinaryenIndex BinaryenModuleAddDebugInfoFileName(BinaryenModuleRef module, const char* filename);
+
+// Gets the name of the debug info file at the specified index. Returns `NULL` if it
+// does not exist.
+const char* BinaryenModuleGetDebugInfoFileName(BinaryenModuleRef module, BinaryenIndex index);
+
 //
 // ======== FunctionType Operations ========
 //
@@ -747,6 +764,9 @@ void BinaryenFunctionOptimize(BinaryenFunctionRef func, BinaryenModuleRef module
 // optimize and shrink level.
 void BinaryenFunctionRunPasses(BinaryenFunctionRef func, BinaryenModuleRef module, const char **passes, BinaryenIndex numPasses);
 
+// Sets the debug location of the specified `Expression` within the specified `Function`.
+void BinaryenFunctionSetDebugLocation(BinaryenFunctionRef func, BinaryenExpressionRef expr, BinaryenIndex fileIndex, BinaryenIndex lineNumber, BinaryenIndex columnNumber);
+
 //
 // ========== Import Operations ==========
 //