adamc@1
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1 (* Copyright (c) 2008, Adam Chlipala
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2 * All rights reserved.
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3 *
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4 * Redistribution and use in source and binary forms, with or without
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5 * modification, are permitted provided that the following conditions are met:
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6 *
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7 * - Redistributions of source code must retain the above copyright notice,
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8 * this list of conditions and the following disclaimer.
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9 * - Redistributions in binary form must reproduce the above copyright notice,
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10 * this list of conditions and the following disclaimer in the documentation
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11 * and/or other materials provided with the distribution.
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12 * - The names of contributors may not be used to endorse or promote products
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13 * derived from this software without specific prior written permission.
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14 *
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15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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25 * POSSIBILITY OF SUCH DAMAGE.
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26 *)
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27
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28 (* Grammar for Laconic/Web programs *)
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29
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30 open Source
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31
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32 val s = ErrorMsg.spanOf
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33
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34 fun uppercaseFirst "" = ""
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35 | uppercaseFirst s = str (Char.toUpper (String.sub (s, 0))) ^ String.extract (s, 1, NONE)
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36
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37 %%
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38 %header (functor LacwebLrValsFn(structure Token : TOKEN))
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39
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40 %term
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41 EOF
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42 | STRING of string | INT of Int64.int | FLOAT of Real64.real
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43 | SYMBOL of string | CSYMBOL of string
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44 | LPAREN | RPAREN | LBRACK | RBRACK | LBRACE | RBRACE
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45 | EQ | COMMA | COLON | DCOLON | TCOLON | DOT | HASH | UNDER | UNDERUNDER | BAR
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46 | DIVIDE | GT | DOTDOTDOT
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47 | CON | LTYPE | VAL | REC | AND | FOLD | UNIT | KUNIT
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48 | DATATYPE | OF
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49 | TYPE | NAME
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50 | ARROW | LARROW | DARROW | STAR
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51 | FN | PLUSPLUS | MINUSMINUS | DOLLAR | TWIDDLE
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52 | STRUCTURE | SIGNATURE | STRUCT | SIG | END | FUNCTOR | WHERE | EXTERN
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53 | INCLUDE | OPEN | CONSTRAINT | CONSTRAINTS | EXPORT
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54 | CASE | IF | THEN | ELSE
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55
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56 | XML_BEGIN of string | XML_END
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57 | NOTAGS of string
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58 | BEGIN_TAG of string | END_TAG of string
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59
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60 %nonterm
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61 file of decl list
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62 | decls of decl list
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63 | decl of decl
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64 | vali of string * con option * exp
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65 | valis of (string * con option * exp) list
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66
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67 | dargs of string list
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68 | barOpt of unit
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69 | dcons of (string * con option) list
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70 | dcon of string * con option
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71
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72 | sgn of sgn
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73 | sgntm of sgn
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74 | sgi of sgn_item
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75 | sgis of sgn_item list
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76
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77 | str of str
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78
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79 | kind of kind
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80 | kcolon of explicitness
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81
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82 | path of string list * string
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83 | cpath of string list * string
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84 | spath of str
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85 | mpath of string list
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86
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87 | cexp of con
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88 | capps of con
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89 | cterm of con
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90 | ctuple of con list
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91 | ident of con
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92 | rcon of (con * con) list
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93 | rconn of (con * con) list
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94 | rcone of (con * con) list
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95
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96 | eexp of exp
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97 | eapps of exp
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98 | eterm of exp
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99 | etuple of exp list
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100 | rexp of (con * exp) list
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101 | xml of exp
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102 | xmlOne of exp
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adamc@141
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103 | tag of string * exp
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104 | tagHead of string * exp
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105
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106 | branch of pat * exp
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107 | branchs of (pat * exp) list
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108 | pat of pat
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109 | pterm of pat
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110 | rpat of (string * pat) list * bool
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111 | ptuple of pat list
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112
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113 | attrs of (con * exp) list
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114 | attr of con * exp
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115 | attrv of exp
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116
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117 %verbose (* print summary of errors *)
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118 %pos int (* positions *)
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119 %start file
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120 %pure
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121 %eop EOF
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122 %noshift EOF
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123
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124 %name Lacweb
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125
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126 %nonassoc IF THEN ELSE
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127 %nonassoc DARROW
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128 %nonassoc COLON
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129 %nonassoc DCOLON TCOLON
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130 %right COMMA
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131 %right ARROW LARROW
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132 %right PLUSPLUS MINUSMINUS
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133 %right STAR
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134 %nonassoc TWIDDLE
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135 %nonassoc DOLLAR
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136 %left DOT
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137
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138 %%
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139
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140 file : decls (decls)
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141 | SIG sgis ([(DSgn ("?", (SgnConst sgis, s (SIGleft, sgisright))),
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142 s (SIGleft, sgisright))])
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143
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144 decls : ([])
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145 | decl decls (decl :: decls)
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146
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147 decl : CON SYMBOL EQ cexp (DCon (SYMBOL, NONE, cexp), s (CONleft, cexpright))
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148 | CON SYMBOL DCOLON kind EQ cexp (DCon (SYMBOL, SOME kind, cexp), s (CONleft, cexpright))
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149 | LTYPE SYMBOL EQ cexp (DCon (SYMBOL, SOME (KType, s (LTYPEleft, cexpright)), cexp),
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150 s (LTYPEleft, cexpright))
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151 | DATATYPE SYMBOL dargs EQ barOpt dcons(DDatatype (SYMBOL, dargs, dcons), s (DATATYPEleft, dconsright))
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152 | DATATYPE SYMBOL dargs EQ DATATYPE CSYMBOL DOT path
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153 (case dargs of
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154 [] => (DDatatypeImp (SYMBOL, CSYMBOL :: #1 path, #2 path), s (DATATYPEleft, pathright))
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155 | _ => raise Fail "Arguments specified for imported datatype")
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156 | VAL vali (DVal vali, s (VALleft, valiright))
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157 | VAL REC valis (DValRec valis, s (VALleft, valisright))
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158
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159 | SIGNATURE CSYMBOL EQ sgn (DSgn (CSYMBOL, sgn), s (SIGNATUREleft, sgnright))
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160 | STRUCTURE CSYMBOL EQ str (DStr (CSYMBOL, NONE, str), s (STRUCTUREleft, strright))
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161 | STRUCTURE CSYMBOL COLON sgn EQ str (DStr (CSYMBOL, SOME sgn, str), s (STRUCTUREleft, strright))
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162 | FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN EQ str
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163 (DStr (CSYMBOL1, NONE,
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164 (StrFun (CSYMBOL2, sgn1, NONE, str), s (FUNCTORleft, strright))),
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165 s (FUNCTORleft, strright))
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166 | FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN COLON sgn EQ str
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167 (DStr (CSYMBOL1, NONE,
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168 (StrFun (CSYMBOL2, sgn1, SOME sgn2, str), s (FUNCTORleft, strright))),
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169 s (FUNCTORleft, strright))
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170 | EXTERN STRUCTURE CSYMBOL COLON sgn (DFfiStr (CSYMBOL, sgn), s (EXTERNleft, sgnright))
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171 | OPEN mpath (case mpath of
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172 [] => raise Fail "Impossible mpath parse [1]"
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173 | m :: ms => (DOpen (m, ms), s (OPENleft, mpathright)))
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174 | OPEN CONSTRAINTS mpath (case mpath of
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175 [] => raise Fail "Impossible mpath parse [3]"
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176 | m :: ms => (DOpenConstraints (m, ms), s (OPENleft, mpathright)))
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177 | CONSTRAINT cterm TWIDDLE cterm (DConstraint (cterm1, cterm2), s (CONSTRAINTleft, ctermright))
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178 | EXPORT spath (DExport spath, s (EXPORTleft, spathright))
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179
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180 dargs : ([])
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181 | SYMBOL dargs (SYMBOL :: dargs)
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182
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183 barOpt : ()
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184 | BAR ()
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185
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186 dcons : dcon ([dcon])
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187 | dcon BAR dcons (dcon :: dcons)
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188
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189 dcon : CSYMBOL (CSYMBOL, NONE)
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190 | CSYMBOL OF cexp (CSYMBOL, SOME cexp)
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191
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192 vali : SYMBOL EQ eexp (SYMBOL, NONE, eexp)
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193 | SYMBOL COLON cexp EQ eexp (SYMBOL, SOME cexp, eexp)
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194
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195 valis : vali ([vali])
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196 | vali AND valis (vali :: valis)
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197
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198 sgn : sgntm (sgntm)
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199 | FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN COLON sgn
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200 (SgnFun (CSYMBOL, sgn1, sgn2), s (FUNCTORleft, sgn2right))
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201
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202 sgntm : SIG sgis END (SgnConst sgis, s (SIGleft, ENDright))
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203 | mpath (case mpath of
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204 [] => raise Fail "Impossible mpath parse [2]"
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205 | [x] => SgnVar x
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206 | m :: ms => SgnProj (m,
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207 List.take (ms, length ms - 1),
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208 List.nth (ms, length ms - 1)),
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209 s (mpathleft, mpathright))
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210 | sgntm WHERE CON SYMBOL EQ cexp (SgnWhere (sgntm, SYMBOL, cexp), s (sgntmleft, cexpright))
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211 | sgntm WHERE LTYPE SYMBOL EQ cexp(SgnWhere (sgntm, SYMBOL, cexp), s (sgntmleft, cexpright))
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212 | LPAREN sgn RPAREN (sgn)
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213
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214 sgi : CON SYMBOL DCOLON kind (SgiConAbs (SYMBOL, kind), s (CONleft, kindright))
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215 | LTYPE SYMBOL (SgiConAbs (SYMBOL, (KType, s (LTYPEleft, SYMBOLright))),
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216 s (LTYPEleft, SYMBOLright))
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217 | CON SYMBOL EQ cexp (SgiCon (SYMBOL, NONE, cexp), s (CONleft, cexpright))
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218 | CON SYMBOL DCOLON kind EQ cexp (SgiCon (SYMBOL, SOME kind, cexp), s (CONleft, cexpright))
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219 | LTYPE SYMBOL EQ cexp (SgiCon (SYMBOL, SOME (KType, s (LTYPEleft, cexpright)), cexp),
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220 s (LTYPEleft, cexpright))
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221 | DATATYPE SYMBOL dargs EQ barOpt dcons(SgiDatatype (SYMBOL, dargs, dcons), s (DATATYPEleft, dconsright))
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222 | DATATYPE SYMBOL dargs EQ DATATYPE CSYMBOL DOT path
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223 (case dargs of
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224 [] => (SgiDatatypeImp (SYMBOL, CSYMBOL :: #1 path, #2 path), s (DATATYPEleft, pathright))
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225 | _ => raise Fail "Arguments specified for imported datatype")
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226 | VAL SYMBOL COLON cexp (SgiVal (SYMBOL, cexp), s (VALleft, cexpright))
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227
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228 | STRUCTURE CSYMBOL COLON sgn (SgiStr (CSYMBOL, sgn), s (STRUCTUREleft, sgnright))
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229 | SIGNATURE CSYMBOL EQ sgn (SgiSgn (CSYMBOL, sgn), s (SIGNATUREleft, sgnright))
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230 | FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN COLON sgn
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231 (SgiStr (CSYMBOL1,
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232 (SgnFun (CSYMBOL2, sgn1, sgn2), s (FUNCTORleft, sgn2right))),
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233 s (FUNCTORleft, sgn2right))
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234 | INCLUDE sgn (SgiInclude sgn, s (INCLUDEleft, sgnright))
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235 | CONSTRAINT cterm TWIDDLE cterm (SgiConstraint (cterm1, cterm2), s (CONSTRAINTleft, ctermright))
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236
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237 sgis : ([])
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238 | sgi sgis (sgi :: sgis)
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239
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240 str : STRUCT decls END (StrConst decls, s (STRUCTleft, ENDright))
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241 | spath (spath)
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242 | FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN DARROW str
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243 (StrFun (CSYMBOL, sgn, NONE, str), s (FUNCTORleft, strright))
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244 | FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN COLON sgn DARROW str
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245 (StrFun (CSYMBOL, sgn1, SOME sgn2, str), s (FUNCTORleft, strright))
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246 | spath LPAREN str RPAREN (StrApp (spath, str), s (spathleft, RPARENright))
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247
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248 spath : CSYMBOL (StrVar CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
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249 | spath DOT CSYMBOL (StrProj (spath, CSYMBOL), s (spathleft, CSYMBOLright))
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250
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251 kind : TYPE (KType, s (TYPEleft, TYPEright))
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252 | NAME (KName, s (NAMEleft, NAMEright))
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253 | LBRACE kind RBRACE (KRecord kind, s (LBRACEleft, RBRACEright))
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254 | kind ARROW kind (KArrow (kind1, kind2), s (kind1left, kind2right))
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255 | LPAREN kind RPAREN (#1 kind, s (LPARENleft, RPARENright))
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256 | KUNIT (KUnit, s (KUNITleft, KUNITright))
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257 | UNDERUNDER (KWild, s (UNDERUNDERleft, UNDERUNDERright))
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258
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259 capps : cterm (cterm)
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260 | capps cterm (CApp (capps, cterm), s (cappsleft, ctermright))
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261
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262 cexp : capps (capps)
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263 | cexp ARROW cexp (TFun (cexp1, cexp2), s (cexp1left, cexp2right))
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264 | SYMBOL kcolon kind ARROW cexp (TCFun (kcolon, SYMBOL, kind, cexp), s (SYMBOLleft, cexpright))
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265
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266 | cexp PLUSPLUS cexp (CConcat (cexp1, cexp2), s (cexp1left, cexp1right))
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267
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268 | FN SYMBOL DARROW cexp (CAbs (SYMBOL, NONE, cexp), s (FNleft, cexpright))
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269 | FN SYMBOL DCOLON kind DARROW cexp (CAbs (SYMBOL, SOME kind, cexp), s (FNleft, cexpright))
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270 | cterm TWIDDLE cterm DARROW cexp(CDisjoint (cterm1, cterm2, cexp), s (cterm1left, cexpright))
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271 | cterm TWIDDLE cterm ARROW cexp (TDisjoint (cterm1, cterm2, cexp), s (cterm1left, cexpright))
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272
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273 | LPAREN cexp RPAREN DCOLON kind (CAnnot (cexp, kind), s (LPARENleft, kindright))
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274
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275 | UNDER DCOLON kind (CWild kind, s (UNDERleft, UNDERright))
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276 | ctuple (let
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277 val loc = s (ctupleleft, ctupleright)
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278 in
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279 (TRecord (CRecord (ListUtil.mapi (fn (i, c) =>
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280 ((CName (Int.toString (i + 1)), loc),
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281 c)) ctuple),
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282 loc), loc)
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283 end)
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284
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285 kcolon : DCOLON (Explicit)
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286 | TCOLON (Implicit)
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287
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288 path : SYMBOL ([], SYMBOL)
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289 | CSYMBOL DOT path (let val (ms, x) = path in (CSYMBOL :: ms, x) end)
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290
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291 cpath : CSYMBOL ([], CSYMBOL)
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292 | CSYMBOL DOT cpath (let val (ms, x) = cpath in (CSYMBOL :: ms, x) end)
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293
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294 mpath : CSYMBOL ([CSYMBOL])
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295 | CSYMBOL DOT mpath (CSYMBOL :: mpath)
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296
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297 cterm : LPAREN cexp RPAREN (#1 cexp, s (LPARENleft, RPARENright))
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298 | LBRACK rcon RBRACK (CRecord rcon, s (LBRACKleft, RBRACKright))
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299 | LBRACK rconn RBRACK (CRecord rconn, s (LBRACKleft, RBRACKright))
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adamc@1
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300 | LBRACE rcone RBRACE (TRecord (CRecord rcone, s (LBRACEleft, RBRACEright)),
|
adamc@1
|
301 s (LBRACEleft, RBRACEright))
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adamc@1
|
302 | DOLLAR cterm (TRecord cterm, s (DOLLARleft, ctermright))
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adamc@1
|
303 | HASH CSYMBOL (CName CSYMBOL, s (HASHleft, CSYMBOLright))
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adamc@195
|
304 | HASH INT (CName (Int64.toString INT), s (HASHleft, INTright))
|
adamc@1
|
305
|
adamc@34
|
306 | path (CVar path, s (pathleft, pathright))
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adamc@18
|
307 | UNDER (CWild (KWild, s (UNDERleft, UNDERright)), s (UNDERleft, UNDERright))
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adamc@67
|
308 | FOLD (CFold, s (FOLDleft, FOLDright))
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adamc@82
|
309 | UNIT (CUnit, s (UNITleft, UNITright))
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adamc@1
|
310
|
adamc@196
|
311 ctuple : capps STAR capps ([capps1, capps2])
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adamc@196
|
312 | capps STAR ctuple (capps :: ctuple)
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adamc@195
|
313
|
adamc@1
|
314 rcon : ([])
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adamc@1
|
315 | ident EQ cexp ([(ident, cexp)])
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adamc@1
|
316 | ident EQ cexp COMMA rcon ((ident, cexp) :: rcon)
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adamc@1
|
317
|
adamc@83
|
318 rconn : ident ([(ident, (CUnit, s (identleft, identright)))])
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adamc@83
|
319 | ident COMMA rconn ((ident, (CUnit, s (identleft, identright))) :: rconn)
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adamc@83
|
320
|
adamc@1
|
321 rcone : ([])
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adamc@1
|
322 | ident COLON cexp ([(ident, cexp)])
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adamc@1
|
323 | ident COLON cexp COMMA rcone ((ident, cexp) :: rcone)
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adamc@1
|
324
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adamc@1
|
325 ident : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
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adamc@195
|
326 | INT (CName (Int64.toString INT), s (INTleft, INTright))
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adamc@89
|
327 | path (CVar path, s (pathleft, pathright))
|
adamc@8
|
328
|
adamc@8
|
329 eapps : eterm (eterm)
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adamc@8
|
330 | eapps eterm (EApp (eapps, eterm), s (eappsleft, etermright))
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adamc@8
|
331 | eapps LBRACK cexp RBRACK (ECApp (eapps, cexp), s (eappsleft, RBRACKright))
|
adamc@8
|
332
|
adamc@8
|
333 eexp : eapps (eapps)
|
adamc@8
|
334 | FN SYMBOL kcolon kind DARROW eexp (ECAbs (kcolon, SYMBOL, kind, eexp), s (FNleft, eexpright))
|
adamc@8
|
335 | FN SYMBOL COLON cexp DARROW eexp (EAbs (SYMBOL, SOME cexp, eexp), s (FNleft, eexpright))
|
adamc@8
|
336 | FN SYMBOL DARROW eexp (EAbs (SYMBOL, NONE, eexp), s (FNleft, eexpright))
|
adamc@93
|
337 | LBRACK cterm TWIDDLE cterm RBRACK DARROW eexp(EDisjoint (cterm1, cterm2, eexp), s (LBRACKleft, RBRACKright))
|
adamc@93
|
338 | FN UNIT DARROW eexp (let
|
adamc@93
|
339 val loc = s (FNleft, eexpright)
|
adamc@93
|
340 in
|
adamc@93
|
341 (EAbs ("_", SOME (TRecord (CRecord [], loc), loc), eexp), loc)
|
adamc@93
|
342 end)
|
adamc@8
|
343
|
adamc@196
|
344 | eexp COLON cexp (EAnnot (eexp, cexp), s (eexpleft, cexpright))
|
adamc@149
|
345 | eexp MINUSMINUS cexp (ECut (eexp, cexp), s (eexpleft, cexpright))
|
adamc@170
|
346 | CASE eexp OF barOpt branch branchs (ECase (eexp, branch :: branchs), s (CASEleft, branchsright))
|
adamc@190
|
347 | IF eexp THEN eexp ELSE eexp (let
|
adamc@190
|
348 val loc = s (IFleft, eexp3right)
|
adamc@190
|
349 in
|
adamc@190
|
350 (ECase (eexp1, [((PCon (["Basis"], "True", NONE), loc), eexp2),
|
adamc@190
|
351 ((PCon (["Basis"], "False", NONE), loc), eexp3)]), loc)
|
adamc@190
|
352 end)
|
adamc@8
|
353
|
adamc@8
|
354 eterm : LPAREN eexp RPAREN (#1 eexp, s (LPARENleft, RPARENright))
|
adamc@195
|
355 | LPAREN etuple RPAREN (let
|
adamc@195
|
356 val loc = s (LPARENleft, RPARENright)
|
adamc@195
|
357 in
|
adamc@195
|
358 (ERecord (ListUtil.mapi (fn (i, e) =>
|
adamc@195
|
359 ((CName (Int.toString (i + 1)), loc),
|
adamc@195
|
360 e)) etuple), loc)
|
adamc@195
|
361 end)
|
adamc@8
|
362
|
adamc@34
|
363 | path (EVar path, s (pathleft, pathright))
|
adamc@156
|
364 | cpath (EVar cpath, s (cpathleft, cpathright))
|
adamc@12
|
365 | LBRACE rexp RBRACE (ERecord rexp, s (LBRACEleft, RBRACEright))
|
adamc@110
|
366 | UNIT (ERecord [], s (UNITleft, UNITright))
|
adamc@12
|
367
|
adamc@14
|
368 | INT (EPrim (Prim.Int INT), s (INTleft, INTright))
|
adamc@14
|
369 | FLOAT (EPrim (Prim.Float FLOAT), s (FLOATleft, FLOATright))
|
adamc@14
|
370 | STRING (EPrim (Prim.String STRING), s (STRINGleft, STRINGright))
|
adamc@14
|
371
|
adamc@142
|
372 | path DOT ident (EField ((EVar path, s (pathleft, pathright)), ident), s (pathleft, identright))
|
adamc@71
|
373 | FOLD (EFold, s (FOLDleft, FOLDright))
|
adamc@71
|
374
|
adamc@91
|
375 | XML_BEGIN xml XML_END (xml)
|
adamc@91
|
376 | XML_BEGIN XML_END (EApp ((EVar (["Basis"], "cdata"), s (XML_BEGINleft, XML_ENDright)),
|
adamc@91
|
377 (EPrim (Prim.String ""), s (XML_BEGINleft, XML_ENDright))),
|
adamc@91
|
378 s (XML_BEGINleft, XML_ENDright))
|
adamc@91
|
379
|
adamc@195
|
380 etuple : eexp COMMA eexp ([eexp1, eexp2])
|
adamc@195
|
381 | eexp COMMA etuple (eexp :: etuple)
|
adamc@195
|
382
|
adamc@170
|
383 branch : pat DARROW eexp (pat, eexp)
|
adamc@170
|
384
|
adamc@170
|
385 branchs: ([])
|
adamc@170
|
386 | BAR branch branchs (branch :: branchs)
|
adamc@170
|
387
|
adamc@170
|
388 pat : pterm (pterm)
|
adamc@170
|
389 | cpath pterm (PCon (#1 cpath, #2 cpath, SOME pterm), s (cpathleft, ptermright))
|
adamc@170
|
390
|
adamc@170
|
391 pterm : SYMBOL (PVar SYMBOL, s (SYMBOLleft, SYMBOLright))
|
adamc@170
|
392 | cpath (PCon (#1 cpath, #2 cpath, NONE), s (cpathleft, cpathright))
|
adamc@170
|
393 | UNDER (PWild, s (UNDERleft, UNDERright))
|
adamc@173
|
394 | INT (PPrim (Prim.Int INT), s (INTleft, INTright))
|
adamc@173
|
395 | STRING (PPrim (Prim.String STRING), s (STRINGleft, STRINGright))
|
adamc@170
|
396 | LPAREN pat RPAREN (pat)
|
adamc@174
|
397 | LBRACE RBRACE (PRecord ([], false), s (LBRACEleft, RBRACEright))
|
adamc@174
|
398 | UNIT (PRecord ([], false), s (UNITleft, UNITright))
|
adamc@174
|
399 | LBRACE rpat RBRACE (PRecord rpat, s (LBRACEleft, RBRACEright))
|
adamc@195
|
400 | LPAREN ptuple RPAREN (PRecord (ListUtil.mapi (fn (i, p) => (Int.toString (i + 1), p)) ptuple,
|
adamc@195
|
401 false),
|
adamc@195
|
402 s (LPARENleft, RPARENright))
|
adamc@174
|
403
|
adamc@175
|
404 rpat : CSYMBOL EQ pat ([(CSYMBOL, pat)], false)
|
adamc@174
|
405 | DOTDOTDOT ([], true)
|
adamc@175
|
406 | CSYMBOL EQ pat COMMA rpat ((CSYMBOL, pat) :: #1 rpat, #2 rpat)
|
adamc@170
|
407
|
adamc@195
|
408 ptuple : pat COMMA pat ([pat1, pat2])
|
adamc@195
|
409 | pat COMMA ptuple (pat :: ptuple)
|
adamc@195
|
410
|
adamc@12
|
411 rexp : ([])
|
adamc@12
|
412 | ident EQ eexp ([(ident, eexp)])
|
adamc@12
|
413 | ident EQ eexp COMMA rexp ((ident, eexp) :: rexp)
|
adamc@91
|
414
|
adamc@141
|
415 xml : xmlOne xml (let
|
adamc@141
|
416 val pos = s (xmlOneleft, xmlright)
|
adamc@141
|
417 in
|
adamc@141
|
418 (EApp ((EApp (
|
adamc@141
|
419 (EVar (["Basis"], "join"), pos),
|
adamc@91
|
420 xmlOne), pos),
|
adamc@141
|
421 xml), pos)
|
adamc@141
|
422 end)
|
adamc@141
|
423 | xmlOne (xmlOne)
|
adamc@91
|
424
|
adamc@141
|
425 xmlOne : NOTAGS (EApp ((EVar (["Basis"], "cdata"), s (NOTAGSleft, NOTAGSright)),
|
adamc@141
|
426 (EPrim (Prim.String NOTAGS), s (NOTAGSleft, NOTAGSright))),
|
adamc@141
|
427 s (NOTAGSleft, NOTAGSright))
|
adamc@141
|
428 | tag DIVIDE GT (let
|
adamc@141
|
429 val pos = s (tagleft, GTright)
|
adamc@141
|
430 in
|
adamc@141
|
431 (EApp (#2 tag,
|
adamc@141
|
432 (EApp ((EVar (["Basis"], "cdata"), pos),
|
adamc@141
|
433 (EPrim (Prim.String ""), pos)),
|
adamc@141
|
434 pos)), pos)
|
adamc@141
|
435 end)
|
adamc@141
|
436
|
adamc@141
|
437 | tag GT xml END_TAG (let
|
adamc@141
|
438 val pos = s (tagleft, GTright)
|
adamc@141
|
439 in
|
adamc@141
|
440 if #1 tag = END_TAG then
|
adamc@141
|
441 if END_TAG = "lform" then
|
adamc@141
|
442 (EApp ((EVar (["Basis"], "lform"), pos),
|
adamc@141
|
443 xml), pos)
|
adamc@141
|
444 else
|
adamc@141
|
445 (EApp (#2 tag, xml), pos)
|
adamc@141
|
446 else
|
adamc@141
|
447 (ErrorMsg.errorAt pos "Begin and end tags don't match.";
|
adamc@141
|
448 (EFold, pos))
|
adamc@141
|
449 end)
|
adamc@141
|
450 | LBRACE eexp RBRACE (eexp)
|
adamc@92
|
451
|
adamc@141
|
452 tag : tagHead attrs (let
|
adamc@141
|
453 val pos = s (tagHeadleft, attrsright)
|
adamc@141
|
454 in
|
adamc@141
|
455 (#1 tagHead,
|
adamc@141
|
456 (EApp ((EApp ((EVar (["Basis"], "tag"), pos),
|
adamc@141
|
457 (ERecord attrs, pos)), pos),
|
adamc@141
|
458 (EApp (#2 tagHead,
|
adamc@141
|
459 (ERecord [], pos)), pos)),
|
adamc@141
|
460 pos))
|
adamc@141
|
461 end)
|
adamc@141
|
462
|
adamc@141
|
463 tagHead: BEGIN_TAG (let
|
adamc@141
|
464 val pos = s (BEGIN_TAGleft, BEGIN_TAGright)
|
adamc@141
|
465 in
|
adamc@141
|
466 (BEGIN_TAG,
|
adamc@141
|
467 (EVar ([], BEGIN_TAG), pos))
|
adamc@141
|
468 end)
|
adamc@141
|
469 | tagHead LBRACE cexp RBRACE (#1 tagHead, (ECApp (#2 tagHead, cexp), s (tagHeadleft, RBRACEright)))
|
adamc@92
|
470
|
adamc@104
|
471 attrs : ([])
|
adamc@104
|
472 | attr attrs (attr :: attrs)
|
adamc@104
|
473
|
adamc@104
|
474 attr : SYMBOL EQ attrv ((CName (uppercaseFirst SYMBOL), s (SYMBOLleft, SYMBOLright)), attrv)
|
adamc@104
|
475
|
adamc@104
|
476 attrv : INT (EPrim (Prim.Int INT), s (INTleft, INTright))
|
adamc@104
|
477 | FLOAT (EPrim (Prim.Float FLOAT), s (FLOATleft, FLOATright))
|
adamc@104
|
478 | STRING (EPrim (Prim.String STRING), s (STRINGleft, STRINGright))
|
adamc@110
|
479 | LBRACE eexp RBRACE (eexp)
|