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add export demo and test

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This commit is contained in:
Li Jie
2025-09-11 14:08:52 +08:00
parent 3605eeeef7
commit c3b674d804
9 changed files with 1376 additions and 0 deletions
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7
.github/workflows/llgo.yml vendored
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@@ -125,6 +125,13 @@ jobs:
export LLGO_FULL_RPATH=true export LLGO_FULL_RPATH=true
bash .github/workflows/test_demo.sh bash .github/workflows/test_demo.sh
- name: Test C header generation
run: |
echo "Testing C header generation in different build modes..."
cd _demo/go/export
chmod +x test.sh
./test.sh
- name: _xtool build tests - name: _xtool build tests
run: | run: |
cd _xtool cd _xtool

1
.gitignore vendored
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@@ -7,6 +7,7 @@
*.dll *.dll
*.so *.so
*.dylib *.dylib
*.a
test.db test.db
demo.ll demo.ll

1
_demo/go/export/.gitignore vendored Normal file
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@@ -0,0 +1 @@
libexport.h

29
_demo/go/export/c/c.go Normal file
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@@ -0,0 +1,29 @@
package C
// XType - struct for export.go to use
type XType struct {
ID int32 `json:"id"`
Name string `json:"name"`
Value float64 `json:"value"`
Flag bool `json:"flag"`
}
func XAdd(a, b int) int {
return a + b
}
func Sub(a, b int64) int64 {
return a - b
}
func sub(a, b uint32) uint32 {
return a - b
}
func Xmul(a, b float32) float32 {
return a * b
}
func Concat(a, b string) string {
return a + b
}

545
_demo/go/export/export.go Normal file
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@@ -0,0 +1,545 @@
package main
import (
"unsafe"
C "github.com/goplus/llgo/_demo/go/export/c"
)
// Small struct
type SmallStruct struct {
ID int8 `json:"id"`
Flag bool `json:"flag"`
}
// Large struct
type LargeStruct struct {
ID int64 `json:"id"`
Name string `json:"name"`
Values [10]float64 `json:"values"`
Metadata map[string]int `json:"metadata"`
Children []SmallStruct `json:"children"`
Extra1 int32 `json:"extra1"`
Extra2 uint64 `json:"extra2"`
Extra3 float32 `json:"extra3"`
Extra4 bool `json:"extra4"`
Extra5 uintptr `json:"extra5"`
}
// Self-referential struct
type Node struct {
Data int `json:"data"`
Next *Node `json:"next"`
}
// Named types
type MyInt int
type MyString string
// Complex struct with mixed arrays and slices
type ComplexData struct {
Matrix [3][4]int32 `json:"matrix"` // 2D array
Slices [][]string `json:"slices"` // slice of slices - commented out
IntArray [5]int `json:"int_array"` // 1D array
DataList []float64 `json:"data_list"` // slice - commented out
}
//export HelloWorld
func HelloWorld() {
println("Hello, World!")
}
// Functions with small struct parameters and return values
//export CreateSmallStruct
func CreateSmallStruct(id int8, flag bool) SmallStruct {
return SmallStruct{ID: id, Flag: flag}
}
//export ProcessSmallStruct
func ProcessSmallStruct(s SmallStruct) SmallStruct {
s.ID += 1
s.Flag = !s.Flag
return s
}
//export ProcessSmallStructPtr
func ProcessSmallStructPtr(s *SmallStruct) *SmallStruct {
if s != nil {
s.ID *= 2
s.Flag = !s.Flag
}
return s
}
// Functions with large struct parameters and return values
//export CreateLargeStruct
func CreateLargeStruct(id int64, name string) LargeStruct {
return LargeStruct{
ID: id,
Name: name,
Values: [10]float64{1.1, 2.2, 3.3, 4.4, 5.5, 6.6, 7.7, 8.8, 9.9, 10.0},
Metadata: map[string]int{"count": 42, "size": 100},
Children: []SmallStruct{{ID: 1, Flag: true}, {ID: 2, Flag: false}},
Extra1: 12345,
Extra2: 67890,
Extra3: 3.14,
Extra4: true,
Extra5: 0x1000,
}
}
//export ProcessLargeStruct
func ProcessLargeStruct(ls LargeStruct) int64 {
total := ls.ID + int64(len(ls.Name))
for _, v := range ls.Values {
total += int64(v)
}
total += int64(len(ls.Children))
total += int64(ls.Extra1) + int64(ls.Extra2) + int64(ls.Extra3)
if ls.Extra4 {
total += 1000
}
total += int64(ls.Extra5)
return total
}
//export ProcessLargeStructPtr
func ProcessLargeStructPtr(ls *LargeStruct) *LargeStruct {
if ls != nil {
ls.ID += 100
ls.Name = "processed_" + ls.Name
ls.Extra1 *= 2
ls.Extra4 = !ls.Extra4
}
return ls
}
// Functions with self-referential struct
//export CreateNode
func CreateNode(data int) *Node {
return &Node{Data: data, Next: nil}
}
//export LinkNodes
func LinkNodes(first, second *Node) {
if first != nil {
first.Next = second
}
}
//export TraverseNodes
func TraverseNodes(head *Node) int {
count := 0
current := head
for current != nil {
count++
current = current.Next
if count > 100 { // Safety check
break
}
}
return count
}
// Functions covering all basic types
//export ProcessBool
func ProcessBool(b bool) bool {
return !b
}
//export ProcessInt8
func ProcessInt8(x int8) int8 {
return x + 1
}
//export ProcessUint8
func ProcessUint8(x uint8) uint8 {
return x + 1
}
//export ProcessInt16
func ProcessInt16(x int16) int16 {
return x * 2
}
//export ProcessUint16
func ProcessUint16(x uint16) uint16 {
return x * 2
}
//export ProcessInt32
func ProcessInt32(x int32) int32 {
return x * 3
}
//export ProcessUint32
func ProcessUint32(x uint32) uint32 {
return x * 3
}
//export ProcessInt64
func ProcessInt64(x int64) int64 {
return x * 4
}
//export ProcessUint64
func ProcessUint64(x uint64) uint64 {
return x * 4
}
//export ProcessInt
func ProcessInt(x int) int {
return x + 100
}
//export ProcessUint
func ProcessUint(x uint) uint {
return x + 200
}
//export ProcessUintptr
func ProcessUintptr(x uintptr) uintptr {
return x + 300
}
//export ProcessFloat32
func ProcessFloat32(x float32) float32 {
return x * 1.5
}
//export ProcessFloat64
func ProcessFloat64(x float64) float64 {
return x * 2.5
}
//export ProcessString
func ProcessString(s string) string {
return "processed_" + s
}
//export ProcessUnsafePointer
func ProcessUnsafePointer(p unsafe.Pointer) unsafe.Pointer {
return p
}
// Functions with named types
//export ProcessMyInt
func ProcessMyInt(x MyInt) MyInt {
return x * 10
}
//export ProcessMyString
func ProcessMyString(s MyString) MyString {
return MyString("modified_" + string(s))
}
// Functions with arrays, slices, maps, channels
//export ProcessIntArray
func ProcessIntArray(arr [5]int) int {
total := 0
for _, v := range arr {
total += v
}
return total
}
//export CreateComplexData
func CreateComplexData() ComplexData {
return ComplexData{
Matrix: [3][4]int32{{1, 2, 3, 4}, {5, 6, 7, 8}, {9, 10, 11, 12}},
Slices: [][]string{{"helo"}},
IntArray: [5]int{10, 20, 30, 40, 50},
DataList: []float64{1.0},
}
}
//export ProcessComplexData
func ProcessComplexData(data ComplexData) int32 {
// Sum all matrix elements
var sum int32
for i := 0; i < 3; i++ {
for j := 0; j < 4; j++ {
sum += data.Matrix[i][j]
}
}
return sum
}
// Functions with multidimensional arrays as parameters and return values
//export ProcessMatrix2D
func ProcessMatrix2D(matrix [3][4]int32) int32 {
var sum int32
for i := 0; i < 3; i++ {
for j := 0; j < 4; j++ {
sum += matrix[i][j]
}
}
return sum
}
//export CreateMatrix1D
func CreateMatrix1D() [4]int32 {
return [4]int32{1, 2, 3, 4}
}
//export CreateMatrix2D
func CreateMatrix2D() [3][4]int32 {
return [3][4]int32{{1, 2, 3, 4}, {5, 6, 7, 8}, {9, 10, 11, 12}}
}
//export ProcessMatrix3D
func ProcessMatrix3D(cube [2][3][4]uint8) uint32 {
var sum uint32
for i := 0; i < 2; i++ {
for j := 0; j < 3; j++ {
for k := 0; k < 4; k++ {
sum += uint32(cube[i][j][k])
}
}
}
return sum
}
//export CreateMatrix3D
func CreateMatrix3D() [2][3][4]uint8 {
var cube [2][3][4]uint8
val := uint8(1)
for i := 0; i < 2; i++ {
for j := 0; j < 3; j++ {
for k := 0; k < 4; k++ {
cube[i][j][k] = val
val++
}
}
}
return cube
}
//export ProcessGrid5x4
func ProcessGrid5x4(grid [5][4]float64) float64 {
var sum float64
for i := 0; i < 5; i++ {
for j := 0; j < 4; j++ {
sum += grid[i][j]
}
}
return sum
}
//export CreateGrid5x4
func CreateGrid5x4() [5][4]float64 {
var grid [5][4]float64
val := 1.0
for i := 0; i < 5; i++ {
for j := 0; j < 4; j++ {
grid[i][j] = val
val += 0.5
}
}
return grid
}
//export ProcessIntSlice
func ProcessIntSlice(slice []int) int {
total := 0
for _, v := range slice {
total += v
}
return total
}
//export ProcessStringMap
func ProcessStringMap(m map[string]int) int {
total := 0
for _, v := range m {
total += v
}
return total
}
//export ProcessIntChannel
func ProcessIntChannel(ch chan int) int {
select {
case val := <-ch:
return val
default:
return -1
}
}
// Functions with interface
//export ProcessInterface
func ProcessInterface(i interface{}) int {
switch v := i.(type) {
case int:
return v
case string:
return len(v)
default:
return 0
}
}
// Functions with various parameter counts
//export NoParams
func NoParams() int {
return 42
}
//export OneParam
func OneParam(x int) int {
return x * 2
}
//export TwoParams
func TwoParams(a int, b string) string {
return string(rune(a)) + b
}
//export ThreeParams
func ThreeParams(a int32, b float64, c bool) float64 {
result := float64(a) + b
if c {
result *= 2
}
return result
}
//export MultipleParams
func MultipleParams(a int8, b uint16, c int32, d uint64, e float32, f float64, g string, h bool) string {
return g + "_processed"
}
// Functions returning no value
//export NoReturn
func NoReturn(message string) {
println("Message:", message)
}
// Functions using XType from c package
//export CreateXType
func CreateXType(id int32, name string, value float64, flag bool) C.XType {
return C.XType{
ID: id,
Name: name,
Value: value,
Flag: flag,
}
}
//export ProcessXType
func ProcessXType(x C.XType) C.XType {
x.ID += 100
x.Name = "processed_" + x.Name
x.Value *= 2.0
x.Flag = !x.Flag
return x
}
//export ProcessXTypePtr
func ProcessXTypePtr(x *C.XType) *C.XType {
if x != nil {
x.ID *= 2
x.Name = "ptr_" + x.Name
x.Value += 10.0
x.Flag = !x.Flag
}
return x
}
func main() {
println("=== Export Demo ===")
// Test small struct
small := CreateSmallStruct(5, true)
println("Small struct:", small.ID, small.Flag)
processed := ProcessSmallStruct(small)
println("Processed small:", processed.ID, processed.Flag)
// Test large struct
large := CreateLargeStruct(12345, "test")
println("Large struct ID:", large.ID, "Name:", large.Name)
total := ProcessLargeStruct(large)
println("Large struct total:", total)
// Test self-referential struct
node1 := CreateNode(100)
node2 := CreateNode(200)
LinkNodes(node1, node2)
count := TraverseNodes(node1)
println("Node count:", count)
// Test basic types
println("Bool:", ProcessBool(true))
println("Int8:", ProcessInt8(10))
println("Float32:", ProcessFloat32(3.14))
println("String:", ProcessString("hello"))
// Test named types
myInt := ProcessMyInt(MyInt(42))
println("MyInt:", int(myInt))
myStr := ProcessMyString(MyString("world"))
println("MyString:", string(myStr))
// Test collections
arr := [5]int{1, 2, 3, 4, 5}
println("Array sum:", ProcessIntArray(arr))
slice := []int{10, 20, 30}
println("Slice sum:", ProcessIntSlice(slice))
m := make(map[string]int)
m["a"] = 100
m["b"] = 200
println("Map sum:", ProcessStringMap(m))
// Test multidimensional arrays
matrix2d := CreateMatrix2D()
println("Matrix2D sum:", ProcessMatrix2D(matrix2d))
matrix3d := CreateMatrix3D()
println("Matrix3D sum:", ProcessMatrix3D(matrix3d))
grid5x4 := CreateGrid5x4()
println("Grid5x4 sum:", ProcessGrid5x4(grid5x4))
// Test complex data with multidimensional arrays
complexData := CreateComplexData()
println("ComplexData matrix sum:", ProcessComplexData(complexData))
// Test various parameter counts
println("NoParams:", NoParams())
println("OneParam:", OneParam(5))
println("TwoParams:", TwoParams(65, "_test"))
println("ThreeParams:", ThreeParams(10, 2.5, true))
println("MultipleParams:", MultipleParams(1, 2, 3, 4, 5.0, 6.0, "result", true))
// Test XType from c package
xtype := CreateXType(42, "test", 3.14, true)
println("XType:", xtype.ID, xtype.Name, xtype.Value, xtype.Flag)
processedX := ProcessXType(xtype)
println("Processed XType:", processedX.ID, processedX.Name, processedX.Value, processedX.Flag)
ptrX := ProcessXTypePtr(&xtype)
if ptrX != nil {
println("Ptr XType:", ptrX.ID, ptrX.Name, ptrX.Value, ptrX.Flag)
}
NoReturn("demo completed")
}

291
_demo/go/export/libexport.h.want Normal file
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@@ -0,0 +1,291 @@
/* Code generated by llgo; DO NOT EDIT. */
#ifndef __LIBEXPORT_H_
#define __LIBEXPORT_H_
#include <stdint.h>
#include <stdbool.h>
#ifdef __cplusplus
extern "C" {
#endif
// Platform-specific symbol renaming macro
#ifdef __APPLE__
#define GO_SYMBOL_RENAME(go_name) __asm("_" go_name);
#else
#define GO_SYMBOL_RENAME(go_name) __asm(go_name);
#endif
// Go runtime types
typedef struct { const char *p; intptr_t n; } GoString;
typedef struct { void *data; intptr_t len; intptr_t cap; } GoSlice;
typedef struct { void *data; } GoMap;
typedef struct { void *data; } GoChan;
typedef struct { void *data; void *type; } GoInterface;
typedef struct { float real; float imag; } GoComplex64;
typedef struct { double real; double imag; } GoComplex128;
typedef struct {
int32_t Matrix[3][4];
GoSlice Slices;
intptr_t IntArray[5];
GoSlice DataList;
} main_ComplexData;
typedef struct {
double data[5][4];
} Array_double_5_4;
typedef struct {
int8_t ID;
_Bool Flag;
} main_SmallStruct;
typedef struct {
int64_t ID;
GoString Name;
double Values[10];
GoMap Metadata;
GoSlice Children;
int32_t Extra1;
uint64_t Extra2;
float Extra3;
_Bool Extra4;
uintptr_t Extra5;
} main_LargeStruct;
typedef struct {
int32_t data[4];
} Array_int32_t_4;
typedef struct {
int32_t data[3][4];
} Array_int32_t_3_4;
typedef struct {
uint8_t data[2][3][4];
} Array_uint8_t_2_3_4;
typedef struct main_Node main_Node;
struct main_Node {
intptr_t Data;
main_Node* Next;
};
typedef struct {
int32_t ID;
GoString Name;
double Value;
_Bool Flag;
} C_XType;
typedef intptr_t main_MyInt;
typedef GoString main_MyString;
GoString
Concat(GoString a, GoString b);
int64_t
Sub(int64_t a, int64_t b);
intptr_t
Add(intptr_t a, intptr_t b);
float
mul(float a, float b);
void
github_com_goplus_llgo__demo_go_export_c_init(void) GO_SYMBOL_RENAME("github.com/goplus/llgo/_demo/go/export/c.init")
main_ComplexData
CreateComplexData(void);
Array_double_5_4
CreateGrid5x4(void);
main_LargeStruct
CreateLargeStruct(int64_t id, GoString name);
Array_int32_t_4
CreateMatrix1D(void);
Array_int32_t_3_4
CreateMatrix2D(void);
Array_uint8_t_2_3_4
CreateMatrix3D(void);
main_Node*
CreateNode(intptr_t data);
main_SmallStruct
CreateSmallStruct(int8_t id, _Bool flag);
C_XType
CreateXType(int32_t id, GoString name, double value, _Bool flag);
void
HelloWorld(void);
void
LinkNodes(main_Node* first, main_Node* second);
GoString
MultipleParams(int8_t a, uint16_t b, int32_t c, uint64_t d, float e, double f, GoString g, _Bool h);
intptr_t
NoParams(void);
void
NoReturn(GoString message);
intptr_t
OneParam(intptr_t x);
_Bool
ProcessBool(_Bool b);
int32_t
ProcessComplexData(main_ComplexData data);
float
ProcessFloat32(float x);
double
ProcessFloat64(double x);
double
ProcessGrid5x4(double grid[5][4]);
intptr_t
ProcessInt(intptr_t x);
int16_t
ProcessInt16(int16_t x);
int32_t
ProcessInt32(int32_t x);
int64_t
ProcessInt64(int64_t x);
int8_t
ProcessInt8(int8_t x);
intptr_t
ProcessIntArray(intptr_t arr[5]);
intptr_t
ProcessIntChannel(GoChan ch);
intptr_t
ProcessIntSlice(GoSlice slice);
intptr_t
ProcessInterface(GoInterface i);
int64_t
ProcessLargeStruct(main_LargeStruct ls);
main_LargeStruct*
ProcessLargeStructPtr(main_LargeStruct* ls);
int32_t
ProcessMatrix2D(int32_t matrix[3][4]);
uint32_t
ProcessMatrix3D(uint8_t cube[2][3][4]);
main_MyInt
ProcessMyInt(main_MyInt x);
main_MyString
ProcessMyString(main_MyString s);
main_SmallStruct
ProcessSmallStruct(main_SmallStruct s);
main_SmallStruct*
ProcessSmallStructPtr(main_SmallStruct* s);
GoString
ProcessString(GoString s);
intptr_t
ProcessStringMap(GoMap m);
uintptr_t
ProcessUint(uintptr_t x);
uint16_t
ProcessUint16(uint16_t x);
uint32_t
ProcessUint32(uint32_t x);
uint64_t
ProcessUint64(uint64_t x);
uint8_t
ProcessUint8(uint8_t x);
uintptr_t
ProcessUintptr(uintptr_t x);
void*
ProcessUnsafePointer(void* p);
C_XType
ProcessXType(C_XType x);
C_XType*
ProcessXTypePtr(C_XType* x);
double
ThreeParams(int32_t a, double b, _Bool c);
intptr_t
TraverseNodes(main_Node* head);
GoString
TwoParams(intptr_t a, GoString b);
void
github_com_goplus_llgo__demo_go_export_init(void) GO_SYMBOL_RENAME("github.com/goplus/llgo/_demo/go/export.init")
void
github_com_goplus_llgo_runtime_abi_init(void) GO_SYMBOL_RENAME("github.com/goplus/llgo/runtime/abi.init")
void
github_com_goplus_llgo_runtime_internal_clite_bdwgc_init(void) GO_SYMBOL_RENAME("github.com/goplus/llgo/runtime/internal/clite/bdwgc.init")
void
github_com_goplus_llgo_runtime_internal_clite_bitcast_init(void) GO_SYMBOL_RENAME("github.com/goplus/llgo/runtime/internal/clite/bitcast.init")
void
github_com_goplus_llgo_runtime_internal_clite_debug_init(void) GO_SYMBOL_RENAME("github.com/goplus/llgo/runtime/internal/clite/debug.init")
void
github_com_goplus_llgo_runtime_internal_clite_pthread_init(void) GO_SYMBOL_RENAME("github.com/goplus/llgo/runtime/internal/clite/pthread.init")
void
github_com_goplus_llgo_runtime_internal_clite_pthread_sync_init(void) GO_SYMBOL_RENAME("github.com/goplus/llgo/runtime/internal/clite/pthread/sync.init")
void
github_com_goplus_llgo_runtime_internal_runtime_goarch_init(void) GO_SYMBOL_RENAME("github.com/goplus/llgo/runtime/internal/runtime/goarch.init")
void
github_com_goplus_llgo_runtime_internal_runtime_math_init(void) GO_SYMBOL_RENAME("github.com/goplus/llgo/runtime/internal/runtime/math.init")
void
github_com_goplus_llgo_runtime_internal_runtime_init(void) GO_SYMBOL_RENAME("github.com/goplus/llgo/runtime/internal/runtime.init")
#ifdef __cplusplus
}
#endif
#endif /* __LIBEXPORT_H_ */

239
_demo/go/export/test.sh Executable file
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@@ -0,0 +1,239 @@
#!/bin/bash
# Test script for C header generation in different build modes
# This script tests the header generation functionality with various buildmode options
set -e # Exit on any error
# Get script directory
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
cd "$SCRIPT_DIR"
# Colors for output
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
NC='\033[0m' # No Color
# Function to print colored output
print_status() {
echo -e "${GREEN}[INFO]${NC} $1"
}
print_warning() {
echo -e "${YELLOW}[WARN]${NC} $1"
}
print_error() {
echo -e "${RED}[ERROR]${NC} $1"
}
# Function to check if file exists and is not empty
check_file() {
local file="$1"
local description="$2"
if [[ -f "$file" ]]; then
if [[ -s "$file" ]]; then
print_status "$description exists and is not empty"
return 0
else
print_error "$description exists but is empty"
return 1
fi
else
print_error "$description does not exist"
return 1
fi
}
# Function to compare header with expected content
compare_header() {
local header_file="$1"
local expected_file="$2"
local test_name="$3"
if [[ -f "$expected_file" ]]; then
if diff -q "$header_file" "$expected_file" >/dev/null 2>&1; then
print_status "$test_name: Header content matches expected"
return 0
else
print_warning "$test_name: Header content differs from expected"
print_warning "Run 'diff $header_file $expected_file' to see differences"
return 1
fi
else
print_warning "$test_name: No expected file found at $expected_file"
print_status "Generated header content:"
echo "--- START OF HEADER ---"
cat "$header_file"
echo "--- END OF HEADER ---"
return 0
fi
}
# Function to cleanup generated files
cleanup() {
local files=("$@")
for file in "${files[@]}"; do
if [[ -f "$file" ]]; then
rm -f "$file"
print_status "Cleaned up $file"
fi
done
}
# Check if llgo.sh exists
LLGO_SCRIPT="../../../llgo.sh"
if [[ ! -f "$LLGO_SCRIPT" ]]; then
print_error "llgo.sh not found at $LLGO_SCRIPT"
exit 1
fi
print_status "Starting C header generation tests..."
print_status "Working directory: $SCRIPT_DIR"
echo ""
# Test 1: c-shared mode
print_status "=== Test 2: Building with -buildmode c-shared ==="
if $LLGO_SCRIPT build -buildmode c-shared -o export .; then
print_status "Build succeeded"
# Check generated files (different extensions on different platforms)
if [[ "$OSTYPE" == "darwin"* ]]; then
# macOS
check_file "libexport.dylib" "Dynamic library (libexport.dylib)"
SHARED_LIB="libexport.dylib"
else
# Linux and others
check_file "libexport.so" "Dynamic library (libexport.so)"
SHARED_LIB="libexport.so"
fi
check_file "libexport.h" "C header (libexport.h)"
# Compare with expected header if it exists
if [[ -f "libexport.h" ]]; then
compare_header "libexport.h" "libexport.h.want" "c-shared"
fi
# Test C demo with shared library
print_status "=== Testing C demo with shared library ==="
if cd use; then
if LINK_TYPE=shared make clean && LINK_TYPE=shared make; then
print_status "C demo build succeeded with shared library"
if LINK_TYPE=shared make run; then
print_status "C demo execution succeeded with shared library"
else
print_warning "C demo execution failed with shared library"
fi
else
print_warning "C demo build failed with shared library"
fi
cd ..
else
print_error "Failed to enter use directory"
fi
# Cleanup
cleanup "$SHARED_LIB" "libexport.h"
else
print_error "Build failed for c-shared mode"
fi
# Test 2: c-archive mode
print_status "=== Test 1: Building with -buildmode c-archive ==="
if $LLGO_SCRIPT build -buildmode c-archive -o export .; then
print_status "Build succeeded"
# Check generated files
check_file "libexport.a" "Static library (libexport.a)"
check_file "libexport.h" "C header (libexport.h)"
# Compare with expected header if it exists
if [[ -f "libexport.h" ]]; then
compare_header "libexport.h" "libexport.h.want" "c-archive"
fi
# Test C demo with static library
print_status "=== Testing C demo with static library ==="
if cd use; then
if make clean && make; then
print_status "C demo build succeeded with static library"
if make run; then
print_status "C demo execution succeeded with static library"
else
print_warning "C demo execution failed with static library"
fi
else
print_warning "C demo build failed with static library"
fi
cd ..
else
print_error "Failed to enter use directory"
fi
# # Cleanup
# cleanup "libexport.a" "libexport.h"
else
print_error "Build failed for c-archive mode"
fi
echo ""
# TODO(lijie): Uncomment if https://github.com/goplus/llgo/pull/1268 merged
# # Test 3: ESP32 target with c-archive mode
# print_status "=== Test 3: Building with -target esp32 -buildmode c-archive ==="
# if $LLGO_SCRIPT build -target esp32 -buildmode c-archive -o export .; then
# print_status "Build succeeded"
# # Check generated files
# check_file "libexport.a" "Static library for ESP32 (libexport.a)"
# check_file "libexport.h" "C header for ESP32 (libexport.h)"
# # Compare with expected header if it exists
# if [[ -f "libexport.h" ]]; then
# compare_header "libexport.h" "libexport.h.want" "esp32-c-archive"
# fi
# # Don't cleanup ESP32 files - keep them for inspection
# print_status "ESP32 build files kept for inspection"
# else
# print_error "Build failed for ESP32 target"
# fi
# echo ""
# Final summary
print_status "=== Test Summary ==="
if [[ -f "libexport.a" ]] && [[ -f "libexport.h" ]]; then
print_status "All tests completed successfully:"
print_status " ✅ C header generation (c-archive and c-shared modes)"
print_status " ✅ C demo compilation and execution"
print_status " ✅ Cross-platform symbol renaming"
print_status " ✅ Init function export and calling"
print_status ""
print_status "Final files available:"
print_status " - libexport.a (static library)"
print_status " - libexport.h (C header file)"
print_status " - use/main.out (C demo executable)"
echo ""
echo "==================="
else
print_error "Some tests may have failed. Check the output above."
fi
# Show file sizes for reference
if [[ -f "libexport.a" ]]; then
SIZE=$(wc -c < libexport.a)
print_status "Static library size: $SIZE bytes"
fi
if [[ -f "libexport.h" ]]; then
LINES=$(wc -l < libexport.h)
print_status "Header file lines: $LINES"
fi
print_status "C header generation and demo tests completed!"

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_demo/go/export/use/Makefile Normal file
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# Makefile for C demo using Go exported library
# Use LINK_TYPE environment variable to choose library type:
# LINK_TYPE=static - Link with static library (default)
# LINK_TYPE=shared - Link with shared library
CC = clang
CFLAGS = -Wall -Wextra -std=c99
INCLUDES = -I..
TARGET = main.out
SOURCES = main.c
HEADER = ../libexport.h
# Default to static linking
LINK_TYPE ?= static
# Platform detection
UNAME_S := $(shell uname -s)
ifeq ($(UNAME_S),Darwin)
SHARED_EXT = dylib
PLATFORM_LIBS =
else
SHARED_EXT = so
PLATFORM_LIBS = $(shell pkg-config --libs libunwind 2>/dev/null || echo -lunwind)
endif
# Library and flags based on link type
ifeq ($(LINK_TYPE),shared)
BUILDMODE = c-shared
LIBRARY = ../libexport.$(SHARED_EXT)
LDFLAGS = -L.. -lexport -lpthread -lm $(shell pkg-config --libs bdw-gc || echo -lgc) $(PLATFORM_LIBS)
BUILD_MSG = "Building Go shared library..."
LINK_MSG = "Linking with shared library..."
else
BUILDMODE = c-archive
LIBRARY = ../libexport.a
LDFLAGS = $(LIBRARY) -lpthread -lm $(shell pkg-config --libs bdw-gc || echo -lgc) $(PLATFORM_LIBS)
BUILD_MSG = "Building Go static library..."
LINK_MSG = "Linking with static library..."
endif
.PHONY: all clean run build-go
all: build-go $(TARGET)
# Build the Go library first
build-go:
@echo $(BUILD_MSG)
cd .. && ../../../llgo.sh build -buildmode $(BUILDMODE) -o export .
# Build the C executable
$(TARGET): $(SOURCES) $(LIBRARY) $(HEADER)
@echo $(LINK_MSG)
$(CC) $(CFLAGS) $(INCLUDES) -o $(TARGET) $(SOURCES) $(LDFLAGS)
# Run the executable
run: $(TARGET)
@echo "Running C demo..."
ifeq ($(LINK_TYPE),shared)
@echo "Setting library path for shared library..."
LD_LIBRARY_PATH=.. DYLD_LIBRARY_PATH=.. ./$(TARGET)
else
./$(TARGET)
endif
# Clean build artifacts
clean:
rm -f $(TARGET)
rm -f ../libexport.a ../libexport.h ../libexport.so ../libexport.dylib
# Help target
help:
@echo "Available targets:"
@echo " all - Build Go library and C executable"
@echo " build-go - Build only the Go library"
@echo " run - Build and run the C demo"
@echo " clean - Clean all build artifacts"
@echo " help - Show this help message"
@echo ""
@echo "Environment variables:"
@echo " LINK_TYPE - Library type: 'static' (default) or 'shared'"
@echo ""
@echo "Examples:"
@echo " make run # Use static library"
@echo " LINK_TYPE=shared make run # Use shared library"

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#include <stdio.h>
#include <stdlib.h>
#include <inttypes.h>
#include "../libexport.h"
int main() {
printf("=== C Export Demo ===\n");
fflush(stdout); // Force output
// Initialize packages - call init functions first
github_com_goplus_llgo__demo_go_export_c_init();
github_com_goplus_llgo__demo_go_export_init();
// Test HelloWorld
HelloWorld();
printf("\n");
// Test small struct
main_SmallStruct small = CreateSmallStruct(5, 1); // 1 for true
printf("Small struct: %d %d\n", small.ID, small.Flag);
main_SmallStruct processed = ProcessSmallStruct(small);
printf("Processed small: %d %d\n", processed.ID, processed.Flag);
main_SmallStruct* ptrSmall = ProcessSmallStructPtr(&small);
if (ptrSmall != NULL) {
printf("Ptr small: %d %d\n", ptrSmall->ID, ptrSmall->Flag);
}
// Test large struct - create GoString for name parameter
GoString name = {"test_large", 10}; // name and length
main_LargeStruct large = CreateLargeStruct(12345, name);
printf("Large struct ID: %" PRId64 "\n", large.ID);
int64_t total = ProcessLargeStruct(large);
printf("Large struct total: %" PRId64 "\n", total);
main_LargeStruct* ptrLarge = ProcessLargeStructPtr(&large);
if (ptrLarge != NULL) {
printf("Ptr large ID: %" PRId64 "\n", ptrLarge->ID);
}
// Test self-referential struct
main_Node* node1 = CreateNode(100);
main_Node* node2 = CreateNode(200);
LinkNodes(node1, node2);
int count = TraverseNodes(node1);
printf("Node count: %d\n", count);
// Test basic types
printf("Bool: %d\n", ProcessBool(1)); // 1 for true
printf("Int8: %d\n", ProcessInt8(10));
printf("Uint8: %d\n", ProcessUint8(10));
printf("Int16: %d\n", ProcessInt16(10));
printf("Uint16: %d\n", ProcessUint16(10));
printf("Int32: %d\n", ProcessInt32(10));
printf("Uint32: %u\n", ProcessUint32(10));
printf("Int64: %" PRId64 "\n", ProcessInt64(10));
printf("Uint64: %" PRIu64 "\n", ProcessUint64(10));
printf("Int: %ld\n", ProcessInt(10));
printf("Uint: %lu\n", ProcessUint(10));
printf("Uintptr: %lu\n", ProcessUintptr(0x1000));
printf("Float32: %f\n", ProcessFloat32(3.14f));
printf("Float64: %f\n", ProcessFloat64(3.14));
// Test unsafe pointer
int test_val = 42;
void* ptr_result = ProcessUnsafePointer(&test_val);
printf("UnsafePointer: %p\n", ptr_result);
// Test named types
main_MyInt myInt = ProcessMyInt(42);
printf("MyInt: %ld\n", (long)myInt);
// Test arrays
intptr_t arr[5] = {1, 2, 3, 4, 5};
printf("Array sum: %ld\n", ProcessIntArray(arr));
// Test complex data with multidimensional arrays
main_ComplexData complex = CreateComplexData();
printf("Complex data matrix sum: %" PRId32 "\n", ProcessComplexData(complex));
// Test interface - this is more complex in C, we'll skip for now
printf("Interface test skipped (complex in C)\n");
// Test various parameter counts
printf("NoParams: %ld\n", NoParams());
printf("OneParam: %ld\n", OneParam(5));
printf("ThreeParams: %f\n", ThreeParams(10, 2.5, 1)); // 1 for true
// Test XType from c package - create GoString for name parameter
GoString xname = {"test_x", 6}; // name and length
C_XType xtype = CreateXType(42, xname, 3.14, 1); // 1 for true
printf("XType: %d %f %d\n", xtype.ID, xtype.Value, xtype.Flag);
C_XType processedX = ProcessXType(xtype);
printf("Processed XType: %d %f %d\n", processedX.ID, processedX.Value, processedX.Flag);
C_XType* ptrX = ProcessXTypePtr(&xtype);
if (ptrX != NULL) {
printf("Ptr XType: %d %f %d\n", ptrX->ID, ptrX->Value, ptrX->Flag);
}
// Test multidimensional arrays
printf("\n=== Multidimensional Array Tests ===\n");
// Create and test 2D matrix [3][4]
// Note: CreateMatrix2D returns [3][4]int32, but function returns need special handling in C
printf("Testing 2D matrix functions...\n");
// Create a test 2D matrix [3][4]int32
int32_t test_matrix[3][4] = {
{1, 2, 3, 4},
{5, 6, 7, 8},
{9, 10, 11, 12}
};
int32_t matrix_sum = ProcessMatrix2D(test_matrix);
printf("Matrix2D sum: %d\n", matrix_sum);
// Create a test 3D cube [2][3][4]uint8
uint8_t test_cube[2][3][4];
uint8_t val = 1;
for (int i = 0; i < 2; i++) {
for (int j = 0; j < 3; j++) {
for (int k = 0; k < 4; k++) {
test_cube[i][j][k] = val++;
}
}
}
uint32_t cube_sum = ProcessMatrix3D(test_cube);
printf("Matrix3D (cube) sum: %u\n", cube_sum);
// Create a test 5x4 grid [5][4]double
double test_grid[5][4];
double grid_val = 1.0;
for (int i = 0; i < 5; i++) {
for (int j = 0; j < 4; j++) {
test_grid[i][j] = grid_val;
grid_val += 0.5;
}
}
double grid_sum = ProcessGrid5x4(test_grid);
printf("Grid5x4 sum: %f\n", grid_sum);
// Test functions that return multidimensional arrays (as multi-level pointers)
printf("\n=== Testing Return Value Functions ===\n");
// Test CreateMatrix1D() which returns Array_int32_t_4
printf("About to call CreateMatrix1D()...\n");
fflush(stdout);
Array_int32_t_4 matrix1d = CreateMatrix1D();
printf("CreateMatrix1D() call completed\n");
printf("CreateMatrix1D() returned struct, first element: %d\n", matrix1d.data[0]);
// Test CreateMatrix2D() which returns Array_int32_t_3_4
printf("About to call CreateMatrix2D()...\n");
fflush(stdout);
Array_int32_t_3_4 matrix2d = CreateMatrix2D();
printf("CreateMatrix2D() call completed\n");
printf("CreateMatrix2D() returned struct, first element: %d\n", matrix2d.data[0][0]);
// Test CreateMatrix3D() which returns Array_uint8_t_2_3_4
Array_uint8_t_2_3_4 cube = CreateMatrix3D();
printf("CreateMatrix3D() returned struct, first element: %u\n", cube.data[0][0][0]);
// Test CreateGrid5x4() which returns Array_double_5_4
Array_double_5_4 grid = CreateGrid5x4();
printf("CreateGrid5x4() returned struct, first element: %f\n", grid.data[0][0]);
// Test NoReturn function
// Note: This function takes a string parameter which is complex to pass from C
// We'll skip it for now or pass a simple string if the binding allows
printf("NoReturn test skipped (string parameter)\n");
printf("C demo completed!\n");
return 0;
}