SkSLDebugTracePlayerTest.cpp File Reference

#include "include/core/SkRefCnt.h"
#include "src/base/SkArenaAlloc.h"
#include "src/core/SkRasterPipeline.h"
#include "src/sksl/SkSLCompiler.h"
#include "src/sksl/SkSLProgramKind.h"
#include "src/sksl/SkSLProgramSettings.h"
#include "src/sksl/SkSLString.h"
#include "src/sksl/SkSLUtil.h"
#include "src/sksl/codegen/SkSLRasterPipelineBuilder.h"
#include "src/sksl/codegen/SkSLRasterPipelineCodeGenerator.h"
#include "src/sksl/ir/SkSLFunctionDeclaration.h"
#include "src/sksl/ir/SkSLProgram.h"
#include "src/sksl/tracing/SkSLDebugTracePlayer.h"
#include "src/sksl/tracing/SkSLDebugTracePriv.h"
#include "tests/Test.h"
#include <cstddef>
#include <memory>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <utility>
#include <vector>

Go to the source code of this file.

Typedefs
using	LineNumberMap = SkSL::SkSLDebugTracePlayer::LineNumberMap

Functions
static sk_sp< SkSL::DebugTracePriv >	make_trace (skiatest::Reporter *r, std::string src)
static std::string	make_stack_string (const SkSL::DebugTracePriv &trace, const SkSL::SkSLDebugTracePlayer &player)
static std::string	make_vars_string (const SkSL::DebugTracePriv &trace, const std::vector< SkSL::SkSLDebugTracePlayer::VariableData > &vars)
static std::string	make_local_vars_string (const SkSL::DebugTracePriv &trace, const SkSL::SkSLDebugTracePlayer &player)
static std::string	make_global_vars_string (const SkSL::DebugTracePriv &trace, const SkSL::SkSLDebugTracePlayer &player)
	DEF_TEST (SkSLTracePlayerCanResetToNull, r)
	DEF_TEST (SkSLTracePlayerHelloWorld, r)
	DEF_TEST (SkSLTracePlayerReset, r)
	DEF_TEST (SkSLTracePlayerFunctions, r)
	DEF_TEST (SkSLTracePlayerVariables, r)
	DEF_TEST (SkSLTracePlayerVariableGroups, r)
	DEF_TEST (SkSLTracePlayerIfStatement, r)
	DEF_TEST (SkSLTracePlayerForLoop, r)
	DEF_TEST (SkSLTracePlayerStepOut, r)
	DEF_TEST (SkSLTracePlayerVariableScope, r)
	DEF_TEST (SkSLTracePlayerNestedBlocks, r)
	DEF_TEST (SkSLTracePlayerSwitchStatement, r)
	DEF_TEST (SkSLTracePlayerBreakpoint, r)
	DEF_TEST (SkSLTracePlayerStepOverWithBreakpoint, r)
	DEF_TEST (SkSLTracePlayerStepOutWithBreakpoint, r)

Typedef Documentation

LineNumberMap

using LineNumberMap = SkSL::SkSLDebugTracePlayer::LineNumberMap

Definition at line 32 of file SkSLDebugTracePlayerTest.cpp.

Function Documentation

DEF_TEST() [1/15]

DEF_TEST	(	SkSLTracePlayerBreakpoint	,
		r
	)

Definition at line 708 of file SkSLDebugTracePlayerTest.cpp.

                                                                     {19, 1},
                                                                     {20, 1}}));
    player.step();
 
    // We should now be inside main.
    REPORTER_ASSERT(r, player.getCurrentLine() == 3);
    REPORTER_ASSERT(r, make_local_vars_string(*trace, player) == "##xy.x = 0.5, ##xy.y = 0.5");
    player.step();
 
    REPORTER_ASSERT(r, player.getCurrentLine() == 5);
    REPORTER_ASSERT(r, make_local_vars_string(*trace, player) == "##a = 1, xy.x = 0.5, xy.y = 0.5");
    player.step();
 
    REPORTER_ASSERT(r, player.getCurrentLine() == 7);
    REPORTER_ASSERT(
            r, make_local_vars_string(*trace, player) == "##b = 2, a = 1, xy.x = 0.5, xy.y = 0.5");
    player.step();
 
    REPORTER_ASSERT(r, player.getCurrentLine() == 9);
    REPORTER_ASSERT(
            r, make_local_vars_string(*trace, player) == "b = 2, a = 1, xy.x = 0.5, xy.y = 0.5");
    player.step();
 
    REPORTER_ASSERT(r, player.getCurrentLine() == 11);
    REPORTER_ASSERT(r, make_local_vars_string(*trace, player) == "a = 1, xy.x = 0.5, xy.y = 0.5");
    player.step();
 
    REPORTER_ASSERT(r, player.getCurrentLine() == 13);
    REPORTER_ASSERT(
            r, make_local_vars_string(*trace, player) == "##e = 5, a = 1, xy.x = 0.5, xy.y = 0.5");
    player.step();
 
    REPORTER_ASSERT(r, player.getCurrentLine() == 15);
    REPORTER_ASSERT(r,
                    make_local_vars_string(*trace, player) ==
                            "##f = 6, e = 5, a = 1, xy.x = 0.5, xy.y = 0.5");
    player.step();
 
    REPORTER_ASSERT(r, player.getCurrentLine() == 17);

DEF_TEST() [2/15]

DEF_TEST	(	SkSLTracePlayerCanResetToNull	,
		r
	)

Definition at line 128 of file SkSLDebugTracePlayerTest.cpp.

                                           {
    SkSL::SkSLDebugTracePlayer player;
    player.reset(nullptr);
 
    // We should be in a reasonable state.
    REPORTER_ASSERT(r, player.cursor() == 0);
    REPORTER_ASSERT(r, player.getCurrentLine() == -1);
    REPORTER_ASSERT(r, player.traceHasCompleted());
    REPORTER_ASSERT(r, player.getCallStack().empty());
    REPORTER_ASSERT(r, player.getGlobalVariables().empty());
    REPORTER_ASSERT(r, player.getLineNumbersReached().empty());
}

DEF_TEST() [3/15]

DEF_TEST	(	SkSLTracePlayerForLoop	,
		r
	)

Definition at line 481 of file SkSLDebugTracePlayerTest.cpp.

           {             // Line 13
        val = 4;         // Line 14
    }                    // Line 15
    return half4(val);   // Line 16
}                        // Line 17
)");
    SkSL::SkSLDebugTracePlayer player;
    player.reset(trace);
 
    REPORTER_ASSERT(
            r,
            player.getLineNumbersReached() ==
                    LineNumberMap({{3, 1}, {4, 1}, {5, 1}, {6, 1}, {10, 1}, {14, 1}, {16, 1}}));
    player.step();
 
    REPORTER_ASSERT(r, player.getCurrentLine() == 3);
    REPORTER_ASSERT(r, make_local_vars_string(*trace, player) == "##xy.x = 0.5, ##xy.y = 0.5");
    player.step();
 
    REPORTER_ASSERT(r, player.getCurrentLine() == 4);
    REPORTER_ASSERT(r,
                    make_local_vars_string(*trace, player) == "##val = 0, xy.x = 0.5, xy.y = 0.5");
    player.step();
 
    REPORTER_ASSERT(r, player.getCurrentLine() == 5);
    REPORTER_ASSERT(r, make_local_vars_string(*trace, player) == "val = 0, xy.x = 0.5, xy.y = 0.5");
    player.step();
 
    REPORTER_ASSERT(r, player.getCurrentLine() == 6);
    REPORTER_ASSERT(r,
                    make_local_vars_string(*trace, player) ==
                            "##temp = 1, val = 0, xy.x = 0.5, xy.y = 0.5");
    player.step();
 
    // We skip over the false-branch.
    REPORTER_ASSERT(r, player.getCurrentLine() == 10);
    REPORTER_ASSERT(r,
                    make_local_vars_string(*trace, player) == "##val = 1, xy.x = 0.5, xy.y = 0.5");
    player.step();
 
    // We skip over the true-branch.
    REPORTER_ASSERT(r, player.getCurrentLine() == 14);
    REPORTER_ASSERT(r, make_local_vars_string(*trace, player) == "val = 1, xy.x = 0.5, xy.y = 0.5");
    player.step();
 
    REPORTER_ASSERT(r, player.getCurrentLine() == 16);
    REPORTER_ASSERT(r,
                    make_local_vars_string(*trace, player) == "##val = 4, xy.x = 0.5, xy.y = 0.5");
    player.step();
 
    REPORTER_ASSERT(r, player.traceHasCompleted());
    REPORTER_ASSERT(r,
                    make_global_vars_string(*trace, player) ==
                            "##[main].result.x = 4, ##[main].result.y = 4, ##[main].result.z = "
                            "4, ##[main].result.w = 4");
}
 
DEF_TEST(SkSLTracePlayerForLoop, r) {
    sk_sp<SkSL::DebugTracePriv> trace = make_trace(r,
R"(                                // Line 1
half4 main(float2 xy) {            // Line 2
    int val = 0;                   // Line 3
    for (int x = 1; x < 3; ++x) {  // Line 4
        val = x;                   // Line 5
    }                              // Line 6

DEF_TEST() [4/15]

DEF_TEST	(	SkSLTracePlayerFunctions	,
		r
	)

Definition at line 210 of file SkSLDebugTracePlayerTest.cpp.

                                      {
    sk_sp<SkSL::DebugTracePriv> trace = make_trace(r,
R"(                             // Line 1
int fnB() {                     // Line 2
    return 2 + 2;               // Line 3
}                               // Line 4
int fnA() {                     // Line 5
    return fnB();               // Line 6
}                               // Line 7
half4 main(float2 xy) {         // Line 8
    return half4(fnA());        // Line 9
}                               // Line 10
)");
    SkSL::SkSLDebugTracePlayer player;
    player.reset(trace);
 
    // We have not started tracing yet.
    REPORTER_ASSERT(r, player.cursor() == 0);
    REPORTER_ASSERT(r, player.getCurrentLine() == -1);
    REPORTER_ASSERT(r, !player.traceHasCompleted());
    REPORTER_ASSERT(r, player.getCallStack().empty());
    REPORTER_ASSERT(r, player.getGlobalVariables().empty());
    REPORTER_ASSERT(r, player.getLineNumbersReached() == LineNumberMap({{3, 1}, {6, 1}, {9, 1}}));
 
    player.step();
 
    // We should now be inside main.
    REPORTER_ASSERT(r, !player.traceHasCompleted());
    REPORTER_ASSERT(r, player.getCurrentLine() == 9);
    REPORTER_ASSERT(r, make_stack_string(*trace, player) == "half4 main(float2 xy)");
    REPORTER_ASSERT(r, player.getGlobalVariables().empty());
    REPORTER_ASSERT(r, player.getLocalVariables(0).size() == 2);  // xy
 
    player.stepOver();
 
    // We should now have completed execution.
    REPORTER_ASSERT(r, player.traceHasCompleted());
    REPORTER_ASSERT(r, player.getCurrentLine() == -1);
    REPORTER_ASSERT(r, player.getCallStack().empty());
    REPORTER_ASSERT(r,
                    make_global_vars_string(*trace, player) ==
                            "##[main].result.x = 4, ##[main].result.y = 4, ##[main].result.z = "
                            "4, ##[main].result.w = 4");
 
    // Watch the stack grow and shrink as single-step.
    player.reset(trace);
    player.step();
 
    REPORTER_ASSERT(r, make_stack_string(*trace, player) == "half4 main(float2 xy)");
    REPORTER_ASSERT(r, player.getCurrentLineInStackFrame(0) == 9);
    REPORTER_ASSERT(r, make_local_vars_string(*trace, player) == "##xy.x = 0.5, ##xy.y = 0.5");
    REPORTER_ASSERT(r, make_global_vars_string(*trace, player) == "");
    player.step();
 
    REPORTER_ASSERT(r, make_stack_string(*trace, player) == "half4 main(float2 xy) -> int fnA()");
    REPORTER_ASSERT(r, player.getCurrentLineInStackFrame(0) == 9);
    REPORTER_ASSERT(r, player.getCurrentLineInStackFrame(1) == 6);
    REPORTER_ASSERT(r, make_local_vars_string(*trace, player) == "");
    REPORTER_ASSERT(r, make_global_vars_string(*trace, player) == "");
    player.step();
 
    REPORTER_ASSERT(
            r,
            make_stack_string(*trace, player) == "half4 main(float2 xy) -> int fnA() -> int fnB()");
    REPORTER_ASSERT(r, make_local_vars_string(*trace, player) == "");
    REPORTER_ASSERT(r, make_global_vars_string(*trace, player) == "");
    REPORTER_ASSERT(r, player.getCurrentLineInStackFrame(0) == 9);
    REPORTER_ASSERT(r, player.getCurrentLineInStackFrame(1) == 6);
    REPORTER_ASSERT(r, player.getCurrentLineInStackFrame(2) == 3);
    player.step();
 

DEF_TEST() [5/15]

DEF_TEST	(	SkSLTracePlayerHelloWorld	,
		r
	)

Definition at line 141 of file SkSLDebugTracePlayerTest.cpp.

                                       {
    sk_sp<SkSL::DebugTracePriv> trace = make_trace(r,
R"(                       // Line 1
half4 main(float2 xy) {   // Line 2
    return half4(2 + 2);  // Line 3
}                         // Line 4
)");
    SkSL::SkSLDebugTracePlayer player;
    player.reset(trace);
 
    // We have not started tracing yet.
    REPORTER_ASSERT(r, player.cursor() == 0);
    REPORTER_ASSERT(r, player.getCurrentLine() == -1);
    REPORTER_ASSERT(r, !player.traceHasCompleted());
    REPORTER_ASSERT(r, player.getCallStack().empty());
    REPORTER_ASSERT(r, player.getGlobalVariables().empty());
    REPORTER_ASSERT(r, player.getLineNumbersReached() == LineNumberMap({{3, 1}}));
 
    player.step();
 
    // We should now be inside main.
    REPORTER_ASSERT(r, player.cursor() > 0);
    REPORTER_ASSERT(r, !player.traceHasCompleted());
    REPORTER_ASSERT(r, player.getCurrentLine() == 3);
    REPORTER_ASSERT(r, make_stack_string(*trace, player) == "half4 main(float2 xy)");
    REPORTER_ASSERT(r, player.getGlobalVariables().empty());
    REPORTER_ASSERT(r, player.getLocalVariables(0).size() == 2);  // xy
 
    player.step();
 
    // We have now completed the trace.
    REPORTER_ASSERT(r, player.cursor() > 0);
    REPORTER_ASSERT(r, player.traceHasCompleted());
    REPORTER_ASSERT(r, player.getCurrentLine() == -1);
    REPORTER_ASSERT(r, player.getCallStack().empty());
    REPORTER_ASSERT(r,

DEF_TEST() [6/15]

DEF_TEST	(	SkSLTracePlayerIfStatement	,
		r
	)

Definition at line 427 of file SkSLDebugTracePlayerTest.cpp.

                                        {
    sk_sp<SkSL::DebugTracePriv> trace = make_trace(r,
R"(                      // Line 1
half4 main(float2 xy) {  // Line 2
    int val;             // Line 3
    if (true) {          // Line 4
        int temp = 1;    // Line 5
        val = temp;      // Line 6
    } else {             // Line 7
        val = 2;         // Line 8
    }                    // Line 9

DEF_TEST() [7/15]

DEF_TEST	(	SkSLTracePlayerNestedBlocks	,
		r
	)

Definition at line 667 of file SkSLDebugTracePlayerTest.cpp.

                                          {
    sk_sp<SkSL::DebugTracePriv> trace = make_trace(r,
R"(                         // Line 1
half4 main(float2 xy) {     // Line 2
    int a = 1;              // Line 3
    {                       // Line 4
        int b = 2;          // Line 5
        {                   // Line 6
            int c = 3;      // Line 7

DEF_TEST() [8/15]

DEF_TEST	(	SkSLTracePlayerReset	,
		r
	)

Definition at line 178 of file SkSLDebugTracePlayerTest.cpp.

                                  {
    sk_sp<SkSL::DebugTracePriv> trace = make_trace(r,
R"(                       // Line 1
half4 main(float2 xy) {   // Line 2
    return half4(2 + 2);  // Line 3
}                         // Line 4
)");
    SkSL::SkSLDebugTracePlayer player;
    player.reset(trace);
 
    // We have not started tracing yet.
    REPORTER_ASSERT(r, player.cursor() == 0);
    REPORTER_ASSERT(r, player.getCurrentLine() == -1);
    REPORTER_ASSERT(r, !player.traceHasCompleted());
    REPORTER_ASSERT(r, player.getCallStack().empty());
    REPORTER_ASSERT(r, player.getGlobalVariables().empty());
 
    player.step();
 
    // We should now be inside main.
    REPORTER_ASSERT(r, player.cursor() > 0);
    REPORTER_ASSERT(r, player.getCurrentLine() == 3);
    REPORTER_ASSERT(r, make_stack_string(*trace, player) == "half4 main(float2 xy)");
    REPORTER_ASSERT(r, player.getGlobalVariables().empty());
    REPORTER_ASSERT(r, player.getLocalVariables(0).size() == 2);  // xy
 
    player.reset(trace);

DEF_TEST() [9/15]

DEF_TEST	(	SkSLTracePlayerStepOut	,
		r
	)

Definition at line 549 of file SkSLDebugTracePlayerTest.cpp.

                                                               {{3, 1}, {4, 3}, {5, 2}, {7, 1}}));
    player.step();
 
    REPORTER_ASSERT(r, player.getCurrentLine() == 3);
    REPORTER_ASSERT(
            r, player.getLineNumbersReached() == LineNumberMap({{3, 0}, {4, 3}, {5, 2}, {7, 1}}));
    REPORTER_ASSERT(r, make_local_vars_string(*trace, player) == "##xy.x = 0.5, ##xy.y = 0.5");
    player.step();
 
    REPORTER_ASSERT(r, player.getCurrentLine() == 4);
    REPORTER_ASSERT(
            r, player.getLineNumbersReached() == LineNumberMap({{3, 0}, {4, 2}, {5, 2}, {7, 1}}));
    REPORTER_ASSERT(r,
                    make_local_vars_string(*trace, player) == "##val = 0, xy.x = 0.5, xy.y = 0.5");
    player.step();
 
    REPORTER_ASSERT(r, player.getCurrentLine() == 5);
    REPORTER_ASSERT(
            r, player.getLineNumbersReached() == LineNumberMap({{3, 0}, {4, 2}, {5, 1}, {7, 1}}));
    REPORTER_ASSERT(
            r,
            make_local_vars_string(*trace, player) == "##x = 1, val = 0, xy.x = 0.5, xy.y = 0.5");
    player.step();
 
    REPORTER_ASSERT(r, player.getCurrentLine() == 4);
    REPORTER_ASSERT(
            r, player.getLineNumbersReached() == LineNumberMap({{3, 0}, {4, 1}, {5, 1}, {7, 1}}));
    REPORTER_ASSERT(
            r,
            make_local_vars_string(*trace, player) == "##val = 1, x = 1, xy.x = 0.5, xy.y = 0.5");
    player.step();
 
    REPORTER_ASSERT(r, player.getCurrentLine() == 5);
    REPORTER_ASSERT(
            r, player.getLineNumbersReached() == LineNumberMap({{3, 0}, {4, 1}, {5, 0}, {7, 1}}));
    REPORTER_ASSERT(
            r,
            make_local_vars_string(*trace, player) == "##x = 2, val = 1, xy.x = 0.5, xy.y = 0.5");
    player.step();

DEF_TEST() [10/15]

DEF_TEST	(	SkSLTracePlayerStepOutWithBreakpoint	,
		r
	)

Definition at line 770 of file SkSLDebugTracePlayerTest.cpp.

    {{{{{{{                 // Line 3
            int a, b;       // Line 4
    }}}}}}}                 // Line 5
    return half4(0);        // Line 6
}
)");
    SkSL::SkSLDebugTracePlayer player;
    player.reset(trace);
    player.step();
 
    REPORTER_ASSERT(r, player.getCurrentLine() == 4);
    player.step();
 
    REPORTER_ASSERT(r, player.getCurrentLine() == 6);
    player.step();
 
    REPORTER_ASSERT(r, player.traceHasCompleted());
}
 
DEF_TEST(SkSLTracePlayerSwitchStatement, r) {
    sk_sp<SkSL::DebugTracePriv> trace = make_trace(r,
R"(                         // Line 1
half4 main(float2 xy) {     // Line 2
    int x = 2;              // Line 3
    switch (x) {            // Line 4
        case 1:             // Line 5
            break;          // Line 6

DEF_TEST() [11/15]

DEF_TEST	(	SkSLTracePlayerStepOverWithBreakpoint	,
		r
	)

Definition at line 748 of file SkSLDebugTracePlayerTest.cpp.

                                         {
    sk_sp<SkSL::DebugTracePriv> trace = make_trace(r,
R"(                         // Line 1

DEF_TEST() [12/15]

DEF_TEST	(	SkSLTracePlayerSwitchStatement	,
		r
	)

Definition at line 683 of file SkSLDebugTracePlayerTest.cpp.

    {                       // Line 12
        int f = 6;          // Line 13
        {                   // Line 14
            int g = 7;      // Line 15
        }                   // Line 16
        int h = 8;          // Line 17
    }                       // Line 18
    int i = 9;              // Line 19
    return half4(0);        // Line 20
}
)");
    SkSL::SkSLDebugTracePlayer player;
    player.reset(trace);
    REPORTER_ASSERT(r,
                    player.getLineNumbersReached() == LineNumberMap({{3, 1},
                                                                     {5, 1},
                                                                     {7, 1},
                                                                     {9, 1},
                                                                     {11, 1},
                                                                     {13, 1},
                                                                     {15, 1},

DEF_TEST() [13/15]

DEF_TEST	(	SkSLTracePlayerVariableGroups	,
		r
	)

Definition at line 374 of file SkSLDebugTracePlayerTest.cpp.

                                           {
    sk_sp<SkSL::DebugTracePriv> trace = make_trace(r,
R"(                                   // Line 1
struct S { int x, y, z; };            // Line 2
half4 main(float2 xy) {               // Line 3
    S s;                              // Line 4
    int arr[3];                       // Line 5
    s.y = 1;                          // Line 6
    arr[1] = 2;                       // Line 7
    s.x = 3;                          // Line 8
    arr[2] = 4;                       // Line 9
    return half4(0);                  // Line 10
}                                     // Line 11
)");
    SkSL::SkSLDebugTracePlayer player;
    player.reset(trace);
    player.step();
 
    REPORTER_ASSERT(r, player.getCurrentLine() == 4);
    REPORTER_ASSERT(r, make_stack_string(*trace, player) == "half4 main(float2 xy)");
    REPORTER_ASSERT(r, make_local_vars_string(*trace, player) == "##xy.x = 0.5, ##xy.y = 0.5");

DEF_TEST() [14/15]

DEF_TEST	(	SkSLTracePlayerVariables	,
		r
	)

Definition at line 290 of file SkSLDebugTracePlayerTest.cpp.

                                      {
    sk_sp<SkSL::DebugTracePriv> trace = make_trace(r,
R"(                                   // Line 1
float func() {                        // Line 2
    float x = 4, y = 5, z = 6;        // Line 3
    return z;                         // Line 4
}                                     // Line 5
half4 main(float2 xy) {               // Line 6
    int a = 123;                      // Line 7
    bool b = true;                    // Line 8
    func();                           // Line 9
    float4 c = float4(0, 0.5, 1, -1); // Line 10
    float3x3 d = float3x3(2);         // Line 11
    return half4(a);                  // Line 12
}                                     // Line 13
)");
    SkSL::SkSLDebugTracePlayer player;
    player.reset(trace);
 
    REPORTER_ASSERT(
            r,
            player.getLineNumbersReached() ==
                    LineNumberMap(
                            {{3, 1}, {4, 1}, {7, 1}, {8, 1}, {9, 1}, {10, 1}, {11, 1}, {12, 1}}));
    player.step();
 
    REPORTER_ASSERT(r, player.getCurrentLine() == 7);
    REPORTER_ASSERT(r, make_stack_string(*trace, player) == "half4 main(float2 xy)");
    REPORTER_ASSERT(r, make_local_vars_string(*trace, player) == "##xy.x = 0.5, ##xy.y = 0.5");
    player.step();
 
    REPORTER_ASSERT(r, player.getCurrentLine() == 8);
    REPORTER_ASSERT(r, make_stack_string(*trace, player) == "half4 main(float2 xy)");
    REPORTER_ASSERT(r,
                    make_local_vars_string(*trace, player) == "##a = 123, xy.x = 0.5, xy.y = 0.5");
    player.step();
 
    REPORTER_ASSERT(r, player.getCurrentLine() == 9);
    REPORTER_ASSERT(r, make_stack_string(*trace, player) == "half4 main(float2 xy)");
    REPORTER_ASSERT(r,
                    make_local_vars_string(*trace, player) ==
                            "##b = true, a = 123, xy.x = 0.5, xy.y = 0.5");
    player.step();
 
    REPORTER_ASSERT(r, player.getCurrentLine() == 3);
    REPORTER_ASSERT(r,
                    make_stack_string(*trace, player) == "half4 main(float2 xy) -> float func()");
    REPORTER_ASSERT(r, make_local_vars_string(*trace, player) == "");
    player.step();
 
    REPORTER_ASSERT(r, player.getCurrentLine() == 4);
    REPORTER_ASSERT(r,
                    make_stack_string(*trace, player) == "half4 main(float2 xy) -> float func()");
    REPORTER_ASSERT(r, make_local_vars_string(*trace, player) == "##z = 6, ##y = 5, ##x = 4");
    player.step();
 
    REPORTER_ASSERT(r, player.getCurrentLine() == 9);
    REPORTER_ASSERT(r, make_stack_string(*trace, player) == "half4 main(float2 xy)");
    REPORTER_ASSERT(r,
                    make_local_vars_string(*trace, player) ==
                            "##[func].result = 6, b = true, a = 123, xy.x = 0.5, xy.y = 0.5");
    player.step();
 
    REPORTER_ASSERT(r, player.getCurrentLine() == 10);
    REPORTER_ASSERT(r, make_stack_string(*trace, player) == "half4 main(float2 xy)");

DEF_TEST() [15/15]

DEF_TEST	(	SkSLTracePlayerVariableScope	,
		r
	)

Definition at line 595 of file SkSLDebugTracePlayerTest.cpp.

                                                               {{3, 0}, {4, 0}, {5, 0}, {7, 1}}));
    REPORTER_ASSERT(
            r,
            make_local_vars_string(*trace, player) == "##val = 2, x = 2, xy.x = 0.5, xy.y = 0.5");
    player.step();
 
    REPORTER_ASSERT(r, player.getCurrentLine() == 7);
    REPORTER_ASSERT(
            r, player.getLineNumbersReached() == LineNumberMap({{3, 0}, {4, 0}, {5, 0}, {7, 0}}));
    REPORTER_ASSERT(r, make_local_vars_string(*trace, player) == "val = 2, xy.x = 0.5, xy.y = 0.5");
    player.step();
 
    REPORTER_ASSERT(r, player.traceHasCompleted());
    REPORTER_ASSERT(r,
                    make_global_vars_string(*trace, player) ==
                            "##[main].result.x = 2, ##[main].result.y = 2, ##[main].result.z = "
                            "2, ##[main].result.w = 2");
}
 
DEF_TEST(SkSLTracePlayerStepOut, r) {
    sk_sp<SkSL::DebugTracePriv> trace = make_trace(r,
R"(                      // Line 1
int fn() {               // Line 2
    int a = 11;          // Line 3
    int b = 22;          // Line 4
    int c = 33;          // Line 5
    int d = 44;          // Line 6
    return d;            // Line 7
}                        // Line 8
half4 main(float2 xy) {  // Line 9
    return half4(fn());  // Line 10
}                        // Line 11
)");
    SkSL::SkSLDebugTracePlayer player;
    player.reset(trace);
    REPORTER_ASSERT(r,
                    player.getLineNumbersReached() ==
                            LineNumberMap({{3, 1}, {4, 1}, {5, 1}, {6, 1}, {7, 1}, {10, 1}}));
    player.step();
 
    // We should now be inside main.
    REPORTER_ASSERT(r, player.getCurrentLine() == 10);
    REPORTER_ASSERT(r, make_stack_string(*trace, player) == "half4 main(float2 xy)");
    player.step();
 
    // We should now be inside fn.
    REPORTER_ASSERT(r, player.getCurrentLine() == 3);
    REPORTER_ASSERT(r, make_stack_string(*trace, player) == "half4 main(float2 xy) -> int fn()");
    REPORTER_ASSERT(r, make_local_vars_string(*trace, player) == "");
    player.step();
 
    REPORTER_ASSERT(r, player.getCurrentLine() == 4);
    REPORTER_ASSERT(r, make_stack_string(*trace, player) == "half4 main(float2 xy) -> int fn()");
    REPORTER_ASSERT(r, make_local_vars_string(*trace, player) == "##a = 11");
    player.step();
 
    REPORTER_ASSERT(r, player.getCurrentLine() == 5);
    REPORTER_ASSERT(r, make_stack_string(*trace, player) == "half4 main(float2 xy) -> int fn()");
    REPORTER_ASSERT(r, make_local_vars_string(*trace, player) == "##b = 22, a = 11");
    player.stepOut();
 
    // We should now be back inside main(), right where we left off.
    REPORTER_ASSERT(r, player.getCurrentLine() == 10);
    REPORTER_ASSERT(r, make_stack_string(*trace, player) == "half4 main(float2 xy)");
    REPORTER_ASSERT(
            r,
            make_local_vars_string(*trace, player) == "##[fn].result = 44, xy.x = 0.5, xy.y = 0.5");
    player.stepOut();
 

make_global_vars_string()

static std::string make_global_vars_string ( const SkSL::DebugTracePriv &  trace, const SkSL::SkSLDebugTracePlayer &  player  )

static

Definition at line 123 of file SkSLDebugTracePlayerTest.cpp.

                                                                                   {
    return make_vars_string(trace, player.getGlobalVariables());
}

make_local_vars_string()

static std::string make_local_vars_string ( const SkSL::DebugTracePriv &  trace, const SkSL::SkSLDebugTracePlayer &  player  )

static

Definition at line 117 of file SkSLDebugTracePlayerTest.cpp.

                                                                                  {
    int frame = player.getStackDepth() - 1;
    return make_vars_string(trace, player.getLocalVariables(frame));
}

make_stack_string()

static std::string make_stack_string ( const SkSL::DebugTracePriv &  trace, const SkSL::SkSLDebugTracePlayer &  player  )

static

Definition at line 74 of file SkSLDebugTracePlayerTest.cpp.

                                                                             {
    std::vector<int> callStack = player.getCallStack();
    std::string text;
    const char* separator = "";
    for (int frame : callStack) {
        text += separator;
        separator = " -> ";
 
        if (frame >= 0 && (size_t)frame < trace.fFuncInfo.size()) {
            text += trace.fFuncInfo[frame].name;
        } else {
            text += "???";
        }
    }
 
    return text;
}

make_trace()

static sk_sp< SkSL::DebugTracePriv > make_trace ( skiatest::Reporter *  r, std::string  src  )

static

Definition at line 34 of file SkSLDebugTracePlayerTest.cpp.

                                                             {
    auto debugTrace = sk_make_sp<SkSL::DebugTracePriv>();
 
    SkSL::Compiler compiler;
    SkSL::ProgramSettings settings;
    settings.fOptimize = false;
 
    std::unique_ptr<SkSL::Program> program =
            compiler.convertProgram(SkSL::ProgramKind::kRuntimeShader, std::move(src), settings);
    REPORTER_ASSERT(r, program);
 
    if (program) {
        const SkSL::FunctionDeclaration* main = program->getFunction("main");
        REPORTER_ASSERT(r, main);
 
        if (main) {
            // Compile our program.
            SkArenaAlloc alloc(/*firstHeapAllocation=*/1000);
            SkRasterPipeline pipeline(&alloc);
            std::unique_ptr<SkSL::RP::Program> rasterProg = SkSL::MakeRasterPipelineProgram(
                    *program, *main->definition(), debugTrace.get(), /*writeTraceOps=*/true);
            REPORTER_ASSERT(r, rasterProg);
 
            if (rasterProg) {
                // Append the SkSL program to the raster pipeline, and run it at xy=(0.5, 0.5).
                static constexpr float kCoordinates[4] = {0.5f, 0.5f, 0.0f, 1.0f};
                pipeline.appendConstantColor(&alloc, kCoordinates);
                rasterProg->appendStages(&pipeline,
                                         &alloc,
                                         /*callbacks=*/nullptr,
                                         /*uniforms=*/{});
                pipeline.run(0, 0, 1, 1);
            }
        }
    }
 
    return debugTrace;
}

make_vars_string()

static std::string make_vars_string ( const SkSL::DebugTracePriv &  trace, const std::vector< SkSL::SkSLDebugTracePlayer::VariableData > &  vars  )

static

Definition at line 93 of file SkSLDebugTracePlayerTest.cpp.

                                                                     {
    std::string text;
    auto separator = SkSL::String::Separator();
    for (const SkSL::SkSLDebugTracePlayer::VariableData& var : vars) {
        text += separator();
 
        if (var.fSlotIndex < 0 || (size_t)var.fSlotIndex >= trace.fSlotInfo.size()) {
            text += "???";
            continue;
        }
 
        const SkSL::SlotDebugInfo& slot = trace.fSlotInfo[var.fSlotIndex];
        text += var.fDirty ? "##" : "";
        text += slot.name;
        text += trace.getSlotComponentSuffix(var.fSlotIndex);
        text += " = ";
        text += trace.slotValueToString(var.fSlotIndex, var.fValue);
    }
 
    return text;
}