[llvm] r332014 - [LLVM-C] Add Accessors for Common DIType and DILocation Properties

[Robert Widmann via llvm-commits]

Author: codafi
Date: Thu May 10 11:23:55 2018
New Revision: 332014

URL: http://llvm.org/viewvc/llvm-project?rev=332014&view=rev
Log:
[LLVM-C] Add Accessors for Common DIType and DILocation Properties

Summary:
- Adds getters for the line, column, and scope of a DILocation
- Adds getters for the name, size in bits, offset in bits, alignment in bits, line, and flags of a DIType

Reviewers: whitequark, harlanhaskins, deadalnix

Reviewed By: whitequark

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D46627

Modified:
    llvm/trunk/include/llvm-c/DebugInfo.h
    llvm/trunk/lib/IR/DebugInfo.cpp

Modified: llvm/trunk/include/llvm-c/DebugInfo.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm-c/DebugInfo.h?rev=332014&r1=332013&r2=332014&view=diff
==============================================================================
--- llvm/trunk/include/llvm-c/DebugInfo.h (original)
+++ llvm/trunk/include/llvm-c/DebugInfo.h Thu May 10 11:23:55 2018
@@ -385,6 +385,30 @@ LLVMDIBuilderCreateDebugLocation(LLVMCon
                                  LLVMMetadataRef InlinedAt);
 
 /**
+ * Get the line number of this debug location.
+ * \param Location     The debug location.
+ *
+ * @see DILocation::getLine()
+ */
+unsigned LLVMDILocationGetLine(LLVMMetadataRef Location);
+
+/**
+ * Get the column number of this debug location.
+ * \param Location     The debug location.
+ *
+ * @see DILocation::getColumn()
+ */
+unsigned LLVMDILocationGetColumn(LLVMMetadataRef Location);
+
+/**
+ * Get the local scope associated with this debug location.
+ * \param Location     The debug location.
+ *
+ * @see DILocation::getScope()
+ */
+LLVMMetadataRef LLVMDILocationGetScope(LLVMMetadataRef Location);
+
+/**
  * Create a type array.
  * \param Builder        The DIBuilder.
  * \param Data           The type elements.
@@ -761,6 +785,55 @@ LLVMDIBuilderCreateArtificialType(LLVMDI
                                   LLVMMetadataRef Type);
 
 /**
+ * Get the name of this DIType.
+ * \param DType     The DIType.
+ * \param Length    The length of the returned string.
+ *
+ * @see DIType::getName()
+ */
+const char *LLVMDITypeGetName(LLVMMetadataRef DType, size_t *Length);
+
+/**
+ * Get the size of this DIType in bits.
+ * \param DType     The DIType.
+ *
+ * @see DIType::getSizeInBits()
+ */
+uint64_t LLVMDITypeGetSizeInBits(LLVMMetadataRef DType);
+
+/**
+ * Get the offset of this DIType in bits.
+ * \param DType     The DIType.
+ *
+ * @see DIType::getOffsetInBits()
+ */
+uint64_t LLVMDITypeGetOffsetInBits(LLVMMetadataRef DType);
+
+/**
+ * Get the alignment of this DIType in bits.
+ * \param DType     The DIType.
+ *
+ * @see DIType::getAlignInBits()
+ */
+uint32_t LLVMDITypeGetAlignInBits(LLVMMetadataRef DType);
+
+/**
+ * Get the source line where this DIType is declared.
+ * \param DType     The DIType.
+ *
+ * @see DIType::getLine()
+ */
+unsigned LLVMDITypeGetLine(LLVMMetadataRef DType);
+
+/**
+ * Get the flags associated with this DIType.
+ * \param DType     The DIType.
+ *
+ * @see DIType::getFlags()
+ */
+LLVMDIFlags LLVMDITypeGetFlags(LLVMMetadataRef DType);
+
+/**
  * Create a descriptor for a value range.
  * \param Builder    The DIBuilder.
  * \param LowerBound Lower bound of the subrange, e.g. 0 for C, 1 for Fortran.

Modified: llvm/trunk/lib/IR/DebugInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/DebugInfo.cpp?rev=332014&r1=332013&r2=332014&view=diff
==============================================================================
--- llvm/trunk/lib/IR/DebugInfo.cpp (original)
+++ llvm/trunk/lib/IR/DebugInfo.cpp Thu May 10 11:23:55 2018
@@ -721,6 +721,10 @@ static DINode::DIFlags map_from_llvmDIFl
   return static_cast<DINode::DIFlags>(Flags);
 }
 
+static LLVMDIFlags map_to_llvmDIFlags(DINode::DIFlags Flags) {
+  return static_cast<LLVMDIFlags>(Flags);
+}
+
 unsigned LLVMDebugMetadataVersion() {
   return DEBUG_METADATA_VERSION;
 }
@@ -885,6 +889,18 @@ LLVMDIBuilderCreateDebugLocation(LLVMCon
                               unwrap(InlinedAt)));
 }
 
+unsigned LLVMDILocationGetLine(LLVMMetadataRef Location) {
+  return unwrapDI<DILocation>(Location)->getLine();
+}
+
+unsigned LLVMDILocationGetColumn(LLVMMetadataRef Location) {
+  return unwrapDI<DILocation>(Location)->getColumn();
+}
+
+LLVMMetadataRef LLVMDILocationGetScope(LLVMMetadataRef Location) {
+  return wrap(unwrapDI<DILocation>(Location)->getScope());
+}
+
 LLVMMetadataRef LLVMDIBuilderCreateEnumerationType(
   LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
   size_t NameLen, LLVMMetadataRef File, unsigned LineNumber,
@@ -1102,6 +1118,32 @@ LLVMDIBuilderCreateArtificialType(LLVMDI
   return wrap(unwrap(Builder)->createArtificialType(unwrapDI<DIType>(Type)));
 }
 
+const char *LLVMDITypeGetName(LLVMMetadataRef DType, size_t *Length) {
+  StringRef Str = unwrap<DIType>(DType)->getName();
+  *Length = Str.size();
+  return Str.data();
+}
+
+uint64_t LLVMDITypeGetSizeInBits(LLVMMetadataRef DType) {
+  return unwrapDI<DIType>(DType)->getSizeInBits();
+}
+
+uint64_t LLVMDITypeGetOffsetInBits(LLVMMetadataRef DType) {
+  return unwrapDI<DIType>(DType)->getOffsetInBits();
+}
+
+uint32_t LLVMDITypeGetAlignInBits(LLVMMetadataRef DType) {
+  return unwrapDI<DIType>(DType)->getAlignInBits();
+}
+
+unsigned LLVMDITypeGetLine(LLVMMetadataRef DType) {
+  return unwrapDI<DIType>(DType)->getLine();
+}
+
+LLVMDIFlags LLVMDITypeGetFlags(LLVMMetadataRef DType) {
+  return map_to_llvmDIFlags(unwrapDI<DIType>(DType)->getFlags());
+}
+
 LLVMMetadataRef LLVMDIBuilderGetOrCreateTypeArray(LLVMDIBuilderRef Builder,
                                                   LLVMMetadataRef *Types,
                                                   size_t Length) {