1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
|
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#include "cmWhileCommand.h"
#include "cm_memory.hxx"
#include "cm_static_string_view.hxx"
#include "cm_string_view.hxx"
#include "cmConditionEvaluator.h"
#include "cmExecutionStatus.h"
#include "cmExpandedCommandArgument.h"
#include "cmFunctionBlocker.h"
#include "cmListFileCache.h"
#include "cmMakefile.h"
#include "cmMessageType.h"
#include "cmSystemTools.h"
#include <string>
#include <utility>
class cmWhileFunctionBlocker : public cmFunctionBlocker
{
public:
cmWhileFunctionBlocker(cmMakefile* mf);
~cmWhileFunctionBlocker() override;
cm::string_view StartCommandName() const override { return "while"_s; }
cm::string_view EndCommandName() const override { return "endwhile"_s; }
bool ArgumentsMatch(cmListFileFunction const& lff,
cmMakefile& mf) const override;
bool Replay(std::vector<cmListFileFunction> functions,
cmExecutionStatus& inStatus) override;
std::vector<cmListFileArgument> Args;
private:
cmMakefile* Makefile;
};
cmWhileFunctionBlocker::cmWhileFunctionBlocker(cmMakefile* mf)
: Makefile(mf)
{
this->Makefile->PushLoopBlock();
}
cmWhileFunctionBlocker::~cmWhileFunctionBlocker()
{
this->Makefile->PopLoopBlock();
}
bool cmWhileFunctionBlocker::ArgumentsMatch(cmListFileFunction const& lff,
cmMakefile&) const
{
return lff.Arguments.empty() || lff.Arguments == this->Args;
}
bool cmWhileFunctionBlocker::Replay(std::vector<cmListFileFunction> functions,
cmExecutionStatus& inStatus)
{
cmMakefile& mf = inStatus.GetMakefile();
std::string errorString;
std::vector<cmExpandedCommandArgument> expandedArguments;
mf.ExpandArguments(this->Args, expandedArguments);
MessageType messageType;
cmListFileContext execContext = this->GetStartingContext();
cmCommandContext commandContext;
commandContext.Line = execContext.Line;
commandContext.Name = execContext.Name;
cmConditionEvaluator conditionEvaluator(mf, this->GetStartingContext(),
mf.GetBacktrace(commandContext));
bool isTrue =
conditionEvaluator.IsTrue(expandedArguments, errorString, messageType);
while (isTrue) {
if (!errorString.empty()) {
std::string err = "had incorrect arguments: ";
for (cmListFileArgument const& arg : this->Args) {
err += (arg.Delim ? "\"" : "");
err += arg.Value;
err += (arg.Delim ? "\"" : "");
err += " ";
}
err += "(";
err += errorString;
err += ").";
mf.IssueMessage(messageType, err);
if (messageType == MessageType::FATAL_ERROR) {
cmSystemTools::SetFatalErrorOccured();
return true;
}
}
// Invoke all the functions that were collected in the block.
for (cmListFileFunction const& fn : functions) {
cmExecutionStatus status(mf);
mf.ExecuteCommand(fn, status);
if (status.GetReturnInvoked()) {
inStatus.SetReturnInvoked();
return true;
}
if (status.GetBreakInvoked()) {
return true;
}
if (status.GetContinueInvoked()) {
break;
}
if (cmSystemTools::GetFatalErrorOccured()) {
return true;
}
}
expandedArguments.clear();
mf.ExpandArguments(this->Args, expandedArguments);
isTrue =
conditionEvaluator.IsTrue(expandedArguments, errorString, messageType);
}
return true;
}
bool cmWhileCommand(std::vector<cmListFileArgument> const& args,
cmExecutionStatus& status)
{
if (args.empty()) {
status.SetError("called with incorrect number of arguments");
return false;
}
// create a function blocker
{
cmMakefile& makefile = status.GetMakefile();
auto fb = cm::make_unique<cmWhileFunctionBlocker>(&makefile);
fb->Args = args;
makefile.AddFunctionBlocker(std::move(fb));
}
return true;
}
|
