dart/language/grammar/examples.xsl - Issue 10917035: Remove language directory.

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Issue 10917035: Remove language directory. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge

Patch Set: Created 8 years, 3 months ago

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1 <!-- Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file

2 for details. All rights reserved. Use of this source code is governed by a

3 BSD-style license that can be found in the LICENSE file. -->

4 <xsl:stylesheet version="1.0"

5 xmlns:xsl="http://www.w3.org/1999/XSL/Transform">

6

7 <xsl:output method="text"/>

8

9 <xsl:template match="GUIDE">

10 <xsl:apply-templates select="//DART_CODE_SNIPPET"/>

11 </xsl:template>

12

13 <xsl:template match="//OBSOLETE//DART_CODE_SNIPPET"/>

14 <xsl:template match="//NO_GRAMMAR_CHECK//DART_CODE_SNIPPET"/>

15 <xsl:template match="OBSOLETE" mode="dart_untyped"/>

16 <xsl:template match="NO_GRAMMAR_CHECK" mode="dart_typed"/>

17 <xsl:template match="OBSOLETE" mode="dart_untyped"/>

18 <xsl:template match="NO_GRAMMAR_CHECK" mode="dart_typed"/>

19

20 <xsl:template match="INT" mode="dart_typed">int </xsl:template>

21 <xsl:template match="INT" mode="dart_untyped"><xsl:value-of select="@alt"/></x sl:template>

22 <xsl:template match="VINT" mode="dart_typed">int</xsl:template>

23 <xsl:template match="VINT" mode="dart_untyped">var</xsl:template>

24 <xsl:template match="DOUBLE" mode="dart_typed">double </xsl:template>

25 <xsl:template match="DOUBLE" mode="dart_untyped"><xsl:value-of select="@alt"/> </xsl:template>

26 <xsl:template match="VDOUBLE" mode="dart_typed">double</xsl:template>

27 <xsl:template match="VDOUBLE" mode="dart_untyped">var</xsl:template>

28 <xsl:template match="BOOL" mode="dart_typed">bool </xsl:template>

29 <xsl:template match="BOOL" mode="dart_untyped"><xsl:value-of select="@alt"/></ xsl:template>

30 <xsl:template match="VBOOL" mode="dart_typed">bool</xsl:template>

31 <xsl:template match="VBOOL" mode="dart_untyped">var</xsl:template>

32 <xsl:template match="STRING" mode="dart_typed">String </xsl:template>

33 <xsl:template match="STRING" mode="dart_untyped"><xsl:value-of select="@alt"/> </xsl:template>

34 <xsl:template match="VSTRING" mode="dart_typed">String</xsl:template>

35 <xsl:template match="VSTRING" mode="dart_untyped">var</xsl:template>

36 <xsl:template match="NUMBER" mode="dart_typed">Number </xsl:template>

37 <xsl:template match="NUMBER" mode="dart_untyped"><xsl:value-of select="@alt"/> </xsl:template>

38 <xsl:template match="VNUMBER" mode="dart_typed">Number</xsl:template>

39 <xsl:template match="VNUMBER" mode="dart_untyped">var</xsl:template>

40 <xsl:template match="OBJECT" mode="dart_typed">Object </xsl:template>

41 <xsl:template match="OBJECT" mode="dart_untyped"><xsl:value-of select="@alt"/> </xsl:template>

42 <xsl:template match="VOBJECT" mode="dart_typed">Object</xsl:template>

43 <xsl:template match="VOBJECT" mode="dart_untyped">var</xsl:template>

44 <xsl:template match="VOID" mode="dart_typed">void </xsl:template>

45 <xsl:template match="VOID" mode="dart_untyped"></xsl:template>

46 <xsl:template match="T" mode="dart_typed"><xsl:value-of select="@t"/><xsl:appl y-templates/></xsl:template>

47 <xsl:template match="T" mode="dart_untyped"><xsl:value-of select="@alt"/></xsl :template>

48 <xsl:template match="TYPE" mode="dart_typed"><xsl:value-of select="@t"/><xsl:a pply-templates/></xsl:template>

49 <xsl:template match="TYPE" mode="dart_untyped"><xsl:value-of select="@alt"/></ xsl:template>

50 <xsl:template match="V" mode="dart_typed"><xsl:value-of select="@t"/><xsl:appl y-templates/></xsl:template>

51 <xsl:template match="V" mode="dart_untyped">var</xsl:template>

52

53 <xsl:template match="STATEMENTS" mode="dart_untyped">

54 class $ {

55 $() {

56 <xsl:apply-templates mode="dart_untyped"/>

57 }

58 }

59 </xsl:template>

60 <xsl:template match="STATEMENTS" mode="dart_typed">

61 class $ {

62 $() {

63 <xsl:apply-templates mode="dart_typed"/>

64 }

65 }

66 </xsl:template>

67

68 <xsl:template match="EXPRESSION" mode="dart_untyped">

69 class $ {

70 $() {

71 return <xsl:apply-templates mode="dart_untyped"/>

72 ;

73 }

74 }

75 </xsl:template>

76 <xsl:template match="EXPRESSION" mode="dart_typed">

77 class $ {

78 $() {

79 return <xsl:apply-templates mode="dart_typed"/>

80 ;

81 }

82 }

83 </xsl:template>

84

85 <xsl:template match="DART_CODE_SNIPPET">

86 <xsl:value-of select="'// Typed '"/>

87 <xsl:call-template name="print_without_leading_chars">

88 <xsl:with-param name="text">

89 <xsl:apply-templates mode="dart_typed"/>

90 </xsl:with-param>

91 <xsl:with-param name="strip" select="1"/>

92 <xsl:with-param name="is_firstline" select="1"/>

93 <xsl:with-param name="trim_count">

94 <xsl:call-template name="num_leading_spaces">

95 <xsl:with-param name="max_so_far" select="1000"/>

96 <xsl:with-param name="text">

97 <xsl:apply-templates mode="dart_typed"/>

98 </xsl:with-param>

99 </xsl:call-template>

100 </xsl:with-param>

101 </xsl:call-template>

102 <xsl:value-of select="' '"/>

103 <xsl:value-of select="'// Untyped '"/>

104 <xsl:call-template name="print_without_leading_chars">

105 <xsl:with-param name="text">

106 <xsl:apply-templates mode="dart_untyped"/>

107 </xsl:with-param>

108 <xsl:with-param name="strip" select="1"/>

109 <xsl:with-param name="is_firstline" select="1"/>

110 <xsl:with-param name="trim_count">

111 <xsl:call-template name="num_leading_spaces">

112 <xsl:with-param name="max_so_far" select="1000"/>

113 <xsl:with-param name="text">

114 <xsl:apply-templates mode="dart_untyped"/>

115 </xsl:with-param>

116 </xsl:call-template>

117 </xsl:with-param>

118 </xsl:call-template>

119 <xsl:value-of select="' '"/>

120 </xsl:template>

121

122 <!-- Given text, evaluates to the number of leading spaces. -->

123 <xsl:template name="num_leading_spaces_one_line">

124 <xsl:param name="text"/>

125 <xsl:param name="current_count"/>

126 <xsl:choose>

127 <xsl:when test="starts-with($text, ' ')">

128 <xsl:call-template name="num_leading_spaces_one_line">

129 <xsl:with-param name="text" select="substring($text, 2)"/>

130 <xsl:with-param name="current_count" select="$current_count + 1"/>

131 </xsl:call-template>

132 </xsl:when>

133 <xsl:otherwise>

134 <xsl:value-of select="$current_count"/>

135 </xsl:otherwise>

136 </xsl:choose>

137 </xsl:template>

138

139 <!-- Given a block of text, each line terminated by \n, evaluates to

140 the indentation-level of that text; that is, the largest number

141 n such that every non-blank line starts with at least n spaces. -->

142 <xsl:template name="num_leading_spaces">

143 <xsl:param name="text"/>

144 <xsl:param name="max_so_far"/>

145 <!-- TODO(csilvers): deal with case text doesn't end in a newline -->

146 <xsl:variable name="line" select="substring-before($text, ' ')"/>

147 <xsl:variable name="rest" select="substring-after($text, ' ')"/>

148 <xsl:variable name="num_spaces_this_line">

149 <xsl:choose>

150 <xsl:when test="$line=''">

151 <xsl:value-of select="$max_so_far"/>

152 </xsl:when>

153 <xsl:otherwise>

154 <xsl:call-template name="num_leading_spaces_one_line">

155 <xsl:with-param name="text" select="$line"/>

156 <xsl:with-param name="current_count" select="0"/>

157 </xsl:call-template>

158 </xsl:otherwise>

159 </xsl:choose>

160 </xsl:variable>

161 <xsl:variable name="new_max_so_far">

162 <xsl:choose>

163 <xsl:when test="$num_spaces_this_line < $max_so_far">

164 <xsl:value-of select="$num_spaces_this_line"/>

165 </xsl:when>

166 <xsl:otherwise>

167 <xsl:value-of select="$max_so_far"/>

168 </xsl:otherwise>

169 </xsl:choose>

170 </xsl:variable>

171 <!-- now check if we're on the last line, and if not, recurse -->

172 <xsl:if test="$rest=''">

173 <xsl:value-of select="$new_max_so_far"/>

174 </xsl:if>

175 <xsl:if test="not($rest='')">

176 <xsl:call-template name="num_leading_spaces">

177 <xsl:with-param name="text" select="$rest"/>

178 <xsl:with-param name="max_so_far" select="$new_max_so_far"/>

179 </xsl:call-template>

180 </xsl:if>

181 </xsl:template>

182

183 <!-- Given a block of text, each line terminated by \n, and a number n,

184 emits the text with the first n characters of each line

185 deleted. If strip==1, then we omit blank lines at the beginning

186 and end of the text (but not the middle!) -->

187 <xsl:template name="print_without_leading_chars">

188 <xsl:param name="text"/>

189 <xsl:param name="trim_count"/>

190 <xsl:param name="strip"/>

191 <xsl:param name="is_firstline"/>

192 <!-- TODO(csilvers): deal with case text doesn't end in a newline -->

193 <xsl:variable name="line" select="substring-before($text, ' ')"/>

194 <xsl:variable name="rest" select="substring-after($text, ' ')"/>

195 <xsl:variable name="stripped_line" select="substring($line, $trim_count+1)"/ >

196 <xsl:choose>

197 <!-- $line (or $rest) is considered empty if we'd trim the entire line -->

198 <xsl:when test="($strip = '1') and ($is_firstline = '1') and

199 (string-length($line) <= $trim_count)">

200 </xsl:when>

201 <xsl:when test="($strip = '1') and

202 (string-length($rest) <= $trim_count)">

203 <xsl:value-of select="$stripped_line"/>

204 </xsl:when>

205 <xsl:otherwise>

206 <xsl:value-of select="$stripped_line"/>

207 <xsl:text> </xsl:text>

208 </xsl:otherwise>

209 </xsl:choose>

210 <xsl:if test="not($rest='')">

211 <xsl:call-template name="print_without_leading_chars">

212 <xsl:with-param name="text" select="$rest"/>

213 <xsl:with-param name="trim_count" select="$trim_count"/>

214 <xsl:with-param name="strip" select="$strip"/>

215 <xsl:with-param name="is_firstline" select="0"/>

216 </xsl:call-template>

217 </xsl:if>

218 </xsl:template>

219

220 </xsl:stylesheet>

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