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Clarify auto-dereference cases in if() command (#11701) 

Show "<variable|string>" explicitly in if() case documentation whenever
auto-dereferencing occurs.  Reference its presence from the explanation
at the bottom.
This commit is contained in:
Brad King 2011-01-17 09:43:41 -05:00
parent e4e14e8568
commit 7d9b903756
1 changed files with 14 additions and 20 deletions
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34
Source/cmIfCommand.h
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@ -166,32 +166,25 @@ public:
"Behavior is well-defined only for full paths.\n"
" if(IS_ABSOLUTE path)\n"
"True if the given path is an absolute path.\n"
" if(variable MATCHES regex)\n"
" if(string MATCHES regex)\n"
" if(<variable|string> MATCHES regex)\n"
"True if the given string or variable's value matches the given "
"regular expression.\n"
" if(variable LESS number)\n"
" if(string LESS number)\n"
" if(variable GREATER number)\n"
" if(string GREATER number)\n"
" if(variable EQUAL number)\n"
" if(string EQUAL number)\n"
" if(<variable|string> LESS <variable|string>)\n"
" if(<variable|string> GREATER <variable|string>)\n"
" if(<variable|string> EQUAL <variable|string>)\n"
"True if the given string or variable's value is a valid number and "
"the inequality or equality is true.\n"
" if(variable STRLESS string)\n"
" if(string STRLESS string)\n"
" if(variable STRGREATER string)\n"
" if(string STRGREATER string)\n"
" if(variable STREQUAL string)\n"
" if(string STREQUAL string)\n"
" if(<variable|string> STRLESS <variable|string>)\n"
" if(<variable|string> STRGREATER <variable|string>)\n"
" if(<variable|string> STREQUAL <variable|string>)\n"
"True if the given string or variable's value is lexicographically "
"less (or greater, or equal) than the string or variable on the right.\n"
" if(version1 VERSION_LESS version2)\n"
" if(version1 VERSION_EQUAL version2)\n"
" if(version1 VERSION_GREATER version2)\n"
" if(<variable|string> VERSION_LESS <variable|string>)\n"
" if(<variable|string> VERSION_EQUAL <variable|string>)\n"
" if(<variable|string> VERSION_GREATER <variable|string>)\n"
"Component-wise integer version number comparison (version format is "
"major[.minor[.patch[.tweak]]]).\n"
" if(DEFINED variable)\n"
" if(DEFINED <variable>)\n"
"True if the given variable is defined. It does not matter if the "
"variable is true or false just if it has been set.\n"
" if((expression) AND (expression OR (expression)))\n"
@ -204,7 +197,7 @@ public:
"The if command was written very early in CMake's history, predating "
"the ${} variable evaluation syntax, and for convenience evaluates "
"variables named by its arguments. "
"variables named by its arguments as shown in the above signatures. "
"Note that normal variable evaluation with ${} applies before the "
"if command even receives the arguments. "
"Therefore code like\n"
@ -221,7 +214,8 @@ public:
"which is true because var2 is defined to \"var1\" which is not "
"a false constant."
"\n"
"Automatic evaluation applies in the other cases as follows:\n"
"Automatic evaluation applies in the other cases whenever the "
"above-documented signature accepts <variable|string>:\n"
"1) The left hand argument to MATCHES is first checked to see "
"if it is a defined variable, if so the variable's value is "