fix #10963, disallow implicit mixing of strings and ints/floats

compiler/astalgo.nim

@@ -425,7 +425,7 @@ proc value(this: var DebugPrinter; value: string) =
 proc value(this: var DebugPrinter; value: BiggestInt) =
   if this.useColor:
     this.res.add numberStyle
-  this.res.add value
+  this.res.addInt value
   if this.useColor:
     this.res.add resetStyle
 
@@ -460,7 +460,7 @@ template earlyExit(this: var DebugPrinter; n: PType | PNode | PSym) =
     if this.useColor:
       this.res.add backrefStyle
     this.res.add "<defined "
-    this.res.add(this.currentLine - index)
+    this.res.addInt(this.currentLine - index)
     this.res.add " lines upwards>"
     if this.useColor:
       this.res.add resetStyle

compiler/cgen.nim

@@ -111,7 +111,7 @@ proc cgFormatValue(result: var string; value: string): void =
   result.add value
 
 proc cgFormatValue(result: var string; value: BiggestInt): void =
-  result.add value
+  result.addInt value
 
 # TODO: please document
 macro ropecg(m: BModule, frmt: static[FormatStr], args: untyped): Rope =

compiler/dfa.nim

@@ -82,7 +82,7 @@ proc codeListing(c: ControlFlowGraph, result: var string, start=0; last = -1) =
       result.add renderTree(c[i].n)
     of goto, fork, join:
       result.add "L"
-      result.add c[i].dest+i
+      result.addInt c[i].dest+i
     result.add("\t#")
     result.add(debugInfo(c[i].n.info))
     result.add("\n")

compiler/ndi.nim

@@ -20,9 +20,9 @@ type
 
 proc doWrite(f: var NdiFile; s: PSym; conf: ConfigRef) =
   f.buf.setLen 0
-  f.buf.add s.info.line.int
+  f.buf.addInt s.info.line.int
   f.buf.add "\t"
-  f.buf.add s.info.col.int
+  f.buf.addInt s.info.col.int
   f.f.write(s.name.s, "\t")
   f.f.writeRope(s.loc.r)
   f.f.writeLine("\t", toFullPath(conf, s.info), "\t", f.buf)

lib/pure/json.nim

@@ -692,12 +692,12 @@ proc toPretty(result: var string, node: JsonNode, indent = 2, ml = true,
   of JInt:
     if lstArr: result.indent(currIndent)
     when defined(js): result.add($node.num)
-    else: result.add(node.num)
+    else: result.addInt(node.num)
   of JFloat:
     if lstArr: result.indent(currIndent)
     # Fixme: implement new system.add ops for the JS target
     when defined(js): result.add($node.fnum)
-    else: result.add(node.fnum)
+    else: result.addFloat(node.fnum)
   of JBool:
     if lstArr: result.indent(currIndent)
     result.add(if node.bval: "true" else: "false")
@@ -773,10 +773,10 @@ proc toUgly*(result: var string, node: JsonNode) =
     node.str.escapeJson(result)
   of JInt:
     when defined(js): result.add($node.num)
-    else: result.add(node.num)
+    else: result.addInt(node.num)
   of JFloat:
     when defined(js): result.add($node.fnum)
-    else: result.add(node.fnum)
+    else: result.addFloat(node.fnum)
   of JBool:
     result.add(if node.bval: "true" else: "false")
   of JNull:

lib/system/strmantle.nim

@@ -40,14 +40,14 @@ proc hashString(s: string): int {.compilerproc.} =
   h = h +% h shl 15
   result = h
 
-proc add*(result: var string; x: int64) =
+proc addInt*(result: var string; x: int64) =
   ## Converts integer to its string representation and appends it to `result`.
   ##
   ## .. code-block:: Nim
   ##   var
   ##     a = "123"
   ##     b = 45
-  ##   a.add(b) # a <- "12345"
+  ##   a.addInt(b) # a <- "12345"
   let base = result.len
   setLen(result, base + sizeof(x)*4)
   var i = 0
@@ -66,18 +66,22 @@ proc add*(result: var string; x: int64) =
   for j in 0..i div 2 - 1:
     swap(result[base+j], result[base+i-j-1])
 
+proc add*(result: var string; x: int64) {.deprecated:
+  "Deprecated since v0.20, use 'addInt'".} =
+  addInt(result, x)
+
 proc nimIntToStr(x: int): string {.compilerRtl.} =
   result = newStringOfCap(sizeof(x)*4)
-  result.add x
+  result.addInt x
 
-proc add*(result: var string; x: float) =
+proc addFloat*(result: var string; x: float) =
   ## Converts float to its string representation and appends it to `result`.
   ##
   ## .. code-block:: Nim
   ##   var
   ##     a = "123"
   ##     b = 45.67
-  ##   a.add(b) # a <- "12345.67"
+  ##   a.addFloat(b) # a <- "12345.67"
   when nimvm:
     result.add $x
   else:
@@ -113,9 +117,13 @@ proc add*(result: var string; x: float) =
         result.add buf[i]
         inc i
 
+proc add*(result: var string; x: float) {.deprecated:
+  "Deprecated since v0.20, use 'addFloat'".} =
+  addFloat(result, x)
+
 proc nimFloatToStr(f: float): string {.compilerproc.} =
   result = newStringOfCap(8)
-  result.add f
+  result.addFloat f
 
 proc c_strtod(buf: cstring, endptr: ptr cstring): float64 {.
   importc: "strtod", header: "<stdlib.h>", noSideEffect.}
@@ -284,7 +292,7 @@ proc nimParseBiggestFloat(s: string, number: var BiggestFloat,
 
 proc nimInt64ToStr(x: int64): string {.compilerRtl.} =
   result = newStringOfCap(sizeof(x)*4)
-  result.add x
+  result.addInt x
 
 proc nimBoolToStr(x: bool): string {.compilerRtl.} =
   return if x: "true" else: "false"